KR100826598B1 - Data playback device - Google Patents

Abstract

The present invention relates to a data reproducing apparatus which can be downloaded to a data reproducing apparatus and that cannot be uploaded from the data reproducing apparatus. To this end, storage of data provided from an external device storing at least one data of an image or a sound source, and a data reproducing device for reproducing the stored data, comprising: a data storage unit for storing data provided from the external device; A download connection unit for connecting to a terminal unit of an external device and an operation control signal for reproducing the stored data, and when the connection of the external device is detected to the download connection unit, request an authentication to the connected external device to request the authentication from the external device. And a controller configured to control the connection with the external device and to allow the download of data from the external device according to the authentication result of the provided authentication information, thereby enabling the download to the data storage unit. Therefore, new data can be stored and used in addition to the previously stored data, thereby increasing the utilization rate of the data reproducing apparatus.

Description

Data playback device {APPARATUS FOR PLAYING DATA FILE}

The present invention relates to a data reproducing apparatus, and more particularly, to a data reproducing apparatus which can be downloaded to a data reproducing apparatus and cannot be uploaded from the data reproducing apparatus.

Recently, the rapid development of the Internet has accelerated the digital digitization of media as well as information retrieval, and is moving from analog cassette tape, video tape or CD (wave disk) to MPEG method which has high compression rate and transmission speed. In particular, MP3, which is the most efficient method of compressing sound sources such as audio among MPEG methods, can transmit high quality music at high speed by using various communication means as well as storing general audio data. have.

MP3 is a standard of voice compression called MPEG Audio Layer-3. It has excellent sound quality and can be compressed to about 1/11 of the size of existing wave file. Also, in order to increase the number of users, the distribution of sound sources using MP3 is widely used.

In addition, the sound source provider who provides the sound source using MP3 on the Internet cannot not provide the sound source without solving the copyright problem, and also does not bear the burden of copyright cost and is not related to the provision of the necessary information directly. There are also practical difficulties in implementing the service, and recently, DRM (Digital Right Management) has been applied, which makes it more difficult to use free music.

1 is a block diagram showing the configuration of a general sound source reproducing apparatus 10. As shown in FIG. As shown in FIG. 1, the conventional sound source reproducing apparatus 10 includes a key input unit 11 including a plurality of operation selection keys, and a reproduction sound source from an external device or to the data reproducing apparatus 10. A data transmission / reception unit 12 for transmitting the stored sound source to an external device, a data storage unit 13 for storing a reproducing sound source, a sound source reproducing unit 14 for reproducing a sound source stored in the data storage unit 13, An output unit 15 for allowing the reproduced sound source to be connected to an earphone, etc., a display unit 16 for displaying the operation of the data reproducing apparatus 10, and a power supply unit 17 for supplying power to the sound source reproducing apparatus 10. And a control unit 18 for controlling the overall operation of the data reproducing apparatus 10.

However, the conventional sound source reproducing apparatus 10 according to FIG. 1 has a problem in that data transmission and reception with an external device (for example, a computer, etc.) is freely made through the data transmitting and receiving unit 12 and thus, illegal copying of the sound source cannot be prevented. have.

In addition, in order to solve the problem of the sound source reproducing apparatus 10 of FIG. 1, as illustrated in FIG. 2, a sound source reproducing apparatus 10a that cannot transmit / receive data with an external system has been proposed.

Unlike the sound source reproducing apparatus 10 of FIG. 1, the sound source reproducing apparatus 10a of FIG. 2 does not have a configuration of the data transmitting and receiving unit 12 such that data transmission and reception with an external device are not possible. By controlling only the reproducing operation, the data storage unit 21 is configured to prevent data protected by copyright from being illegally leaked to the outside of the sound source reproducing apparatus 10a.

However, although the sound source reproducing apparatus 10a of FIG. 2 has an advantage of preventing illegal copying of the sound source itself, there is a problem that cannot be reused.

That is, since the sound source is pre-stored in the data storage unit 21 of the sound source playback device 10a, the user using the sound source playback device 10a may acquire a new sound source and listen to the new sound source playback device 10a. There is a problem that must be provided.

In addition, the seller of the sound source reproducing apparatus (10a) has a problem in that a large amount of cost must be paid for inventory management or disposal of the sound source reproducing apparatus 10a, which is stored in advance and cannot be reused.

In addition, there is a problem that the environmental pollution caused by the disposal of the sound source reproducing apparatus 10a occurs.

In order to solve the above problems, the present invention can store data downloaded from a device that is allowed to download data including a sound source or an image, and block uploading of the stored data, thereby repeatedly storing and storing the data. An object of the present invention is to provide a data reproducing apparatus capable of preventing illegal copying of data.

To this end, the present invention provides a data storage device for storing data provided from an external device storing at least one of an image or a sound source, and a data reproducing device for reproducing the stored data, wherein the data storage unit stores data provided from the external device. ; A key input unit for detecting an operation signal for reproducing data stored in the data storage unit; A data reproducing unit reproducing and outputting data stored in the data storage unit; A display unit to display a reproduction process and an operation state of the data; A download connection unit for connecting with the terminal unit of the external device; And outputting an operation control signal to the data reproducing unit and the display unit according to the operation signal detected from the key input unit, and when the connection of the external device is detected to the download connection unit, requesting authentication to the connected external device to request the external device. And a control unit configured to control the maintenance of the connection with the external device and to allow the download of data from the external device according to the authentication result of the authentication information provided from the data storage unit.

The controller may be configured to maintain a connection between the external device and a download connection unit when the connected external device is a permitted device so that data downloaded from the external device is stored in the data storage unit. If the device is not an allowed device, the connection between the external device and the download connection unit is terminated.

The control unit may terminate the connection to the external device and the download connection unit when the download to the download connection unit is terminated.

The download connection unit may further include a connection terminal unit connecting to the external device; And a buffer unit having one side connected to the connection terminal unit, the other side connected to the control unit, and turned on / off according to a connection control signal output from the control unit to selectively connect the connection terminal unit and the control unit. do.

The buffer unit may include a first buffer unit performing forward data transfer between the external device and the controller, and a second buffer unit performing reverse data transfer between the external device and the controller. .

The first buffer unit may be turned on when the authentication information and sound source information provided from the external device are downloaded, and the second buffer unit may be turned on only when the external device is authenticated.

The present invention also provides a data storage device for storing data provided from an external device storing at least one of an image or a sound source, and a data reproduction device for reproducing the stored data, the data storage storing data provided from the external device. part; A key input unit for detecting an operation signal for reproducing data stored in the data storage unit; A data reproducing unit reproducing and outputting data stored in the data storage unit; A display unit to display a reproduction process and an operation state of the data; A download connection unit for connecting with the terminal unit of the external device; And outputting an operation control signal to the data reproducing unit and the display unit according to the operation signal detected from the key input unit, and when the connection of the external device is detected to the download connection unit, the data according to whether to input an initialization signal from the external device. It includes a control unit for controlling the initialization of the storage unit and the data storage to the data storage unit to download to the data storage unit.

The controller may initialize the data storage unit when the initialization signal is detected, and allow the data transmitted from the external device to be stored in the data storage unit.

The download connection unit may include a data terminal unit for connecting with the external device to transmit and receive data; A connection detecting terminal unit for detecting whether an external device is connected through the data terminal unit; And an initialization signal detecting terminal unit for detecting an initialization signal transmitted from the external device.

The present invention also provides a data storage device for storing data provided from an external device storing at least one of an image or a sound source, and a data reproducing device for reproducing the stored data, the data storage unit storing data provided from the external device. ; A key input unit for detecting an operation signal for reproducing data stored in the data storage unit; A data reproducing unit reproducing and outputting data stored in the data storage unit; A display unit to display a reproduction process and an operation state of the data; A download connection unit for connecting to the external device through wired and wireless communication; And outputting an operation control signal to the data reproducing unit and the display unit according to the operation signal detected from the key input unit, and transmitting a wireless communication signal from the connected external device to the download connection unit when a connection is detected by wire communication with the external device. And a control unit configured to control the initialization and data storage of the data storage unit and to download the data to the data storage unit according to the allowable authentication information of the downloaded download and whether the initialization signal of the data storage unit is received.

The data storage unit may be initialized only when a download is permitted and the initialization signal is detected as a result of the authentication, and data transmitted from the external device may be stored in the data storage unit.

The download connection unit may include a data terminal unit for connecting data to the external device through wired communication to transmit and receive data; A connection detecting terminal unit for detecting whether an external device is connected through the data terminal unit; And an RF transceiver for performing wireless communication with the external device.

The control unit may block uploading of data stored in the data storage unit.

Therefore, the data reproducing apparatus according to the present invention can store and use new data in addition to the data previously stored in the data storage unit, thereby increasing the utilization rate of the data reproducing apparatus.

In addition, the data reproducing apparatus according to the present invention is capable of re-saving new data even if the data is pre-stored in the data storage unit, which can be reused, and can reduce environmental pollution and economic costs due to the disposal of the data reproducing apparatus. There is this.

In addition, the data reproducing apparatus according to the present invention has an advantage of preventing illegal distribution of data by downloading data protected by copyright only through a device that is allowed to download.

In addition, the data reproducing apparatus according to the present invention has an advantage of limiting illegal use of data by preventing stored data from being uploaded from the data reproducing apparatus to an external device such as a computer.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

(First embodiment)

3 is a block diagram showing the configuration of a first embodiment of a data reproducing apparatus according to the present invention, FIG. 4 is a block diagram showing the download connection of FIG. 3 in detail, and FIG. 5 is a data reproducing apparatus and an external device according to the present invention. A block diagram showing the device.

3 to 5, the data reproducing apparatus 100 according to the present invention includes a key input unit 110 that receives an operation control signal and at least one piece of data of an image or a sound source (hereinafter referred to as sound source data). Download connection unit 120 for connecting to the external device 200 is stored, the data storage unit 130 for storing the sound source data, the display unit 140 for displaying the operating state of the data playback device 100, the sound source Controls operations of the data reproducing unit 150 for reproducing and outputting data, the output unit 160 for connecting the sound reproducing unit to output the signal reproduced by the data reproducing unit 150, and the data reproducing apparatus 100. And a power supply unit 180 for supplying power to the data reproducing apparatus 100.

The key input unit 110 detects an operation signal for reproducing sound source data stored in the data storage unit 130 from a user, and includes a plurality of buttons such as an operation key, a selection key, and a playback key.

The download connection unit 120 is a configuration for connecting new sound source data provided from the external device 200 to the data reproducing apparatus 100. The external device 200 and the data reproducing apparatus 100 are electrically connected to each other. The connected path is selectively shorted according to a control signal output from the controller 170.

To this end, the download connection unit 120 includes an external terminal 200 or a connection terminal 121 connected to a terminal unit (not shown) such as a cable connected to the external device 200, and is preferably a USB connection connector. That is, the download connection unit 120 includes a power supply terminal and a data transmission and reception terminal.

In addition, the download connection unit 120 may include a buffer unit 122 having one side connected to the connection terminal unit 121 and the other side connected to the control unit 170.

The buffer unit 122 is turned on / off according to the connection control signal output from the control unit 170 so that the connection terminal unit 121 and the control unit 170 are selectively connected. Preferably, the external device 200 and the control unit ( A first buffer unit 1221 for performing forward data transfer between 170 and a second buffer unit 1222 for performing reverse data transfer between the external device 200 and the controller 170. .

This allows the data reproducing apparatus 100 and the external device 200 to function as a switch that can be electrically shorted by the signal of the controller 170 through the buffer unit 122.

In addition, the controller 170 may perform the operation without waiting for the sound source transmitted from the external device 200 through the buffer unit 122, thereby solving the problem caused by the difference in processing speed between the devices at the time of download. .

The data storage unit 130 is a component in which a sound source is stored, and is preferably composed of a flash memory device.

In addition, the data storage unit 130 stores the sound source received through the download connection unit 120, and the stored sound source is provided to the data reproduction unit 150 by a control signal output from the control unit 170.

In addition, although the flash memory is used as an embodiment of the data storage unit 130 in the present embodiment, it will be apparent to those skilled in the art that the flash memory may be replaced with a known storage medium in addition to the memory device.

The display unit 140 is configured to display an operation state of the data reproducing apparatus 100. The display unit 140 displays information on / off or corresponding operation according to a control signal output from the control unit 170. Or it can comprise using a seven segment.

When the control signal is output from the controller 170, the data reproducing unit 150 reads out and reproduces the sound source from the data storage unit 130. That is, the digital signal is converted into an analog signal and output.

The output unit 160 is a connector that connects the sound source reproduced from the data reproducing unit 150 to be output through an audio device such as a speaker or earphone.

The controller 170 reproduces the sound source stored in the data storage unit 130 through the data reproducing unit 150 according to the operation signal input from the key input unit 110 and connected to the output unit 160 (not shown). ) And the above-described operation process is displayed through the display unit 140.

In addition, when the connection of the external device 200 is detected through the download connection unit 120, the controller 170 authenticates the authentication information provided from the connected external device 200, and downloads the external device 200 according to the result. The control unit 120 outputs a control signal to be electrically connected.

That is, if the external device 200 is allowed to connect, the connection is maintained with the external device 200 through the download connection unit 120. If the external device 200 is not allowed to connect, the connection with the external device 200 is maintained. To be blocked.

Although the connection detection method of the external device 200 is not illustrated, when the power is detected by the power terminal included in the download connection unit 120, it is determined that the external device 200 is connected to the external device 200.

That is, the data reproducing apparatus 100 according to the present invention operates as a USB device device, and the external device 200 operates as a USB host device, thereby determining whether power is supplied from the external device 200 operating as the USB host device. If detected, the download connection unit 120 may determine whether the external device 200 is connected.

Here, the connection is blocked, and data transmission and reception between the sound reproducing apparatus 100 and the external device 200 is blocked, and the connection with the power applied from the external device 200 may be maintained.

In addition, when the controller 170 detects the connection of the external device 200 through the download connection unit 120, the controller 170 performs authentication to determine whether the connected external device is an allowed external device.

In this case, the authentication information is set in advance, and each piece of authentication information is given to the data reproducing apparatus 100, and the authentication information is also given to the external device 200 that is allowed to download.

That is, in order to prevent illegal use of a sound source protected by copyright, an external device 200 (for example, a PC of a manufacturer of the data reproducing apparatus 100, a user who is permitted to use the sound source) is allowed to download the sound source. PC or the like) and then the sound source is downloaded from the external device 200 if the download is allowed external device.

In addition, when the sound source is downloaded from the external device 200, the controller 170 resets the data storage unit 130 or stores the newly downloaded sound source by overwriting a space where the sound source is already stored.

The power supply unit 180 may use at least one of a primary battery and a secondary battery as a means for supplying power to the data reproducing apparatus 100.

The external device 200 stores a sound source protected by copyright, and connects with the data reproducing apparatus 100 so that the authentication information for connection authentication and the sound source information are downloaded to the data reproducing apparatus 100.

In addition, although not shown, the terminal unit may be connected to the download connection unit 120 of the data reproducing apparatus 100.

Next, an operation process of the data reproducing apparatus 100 according to the first embodiment will be described with reference to FIGS. 3 to 6.

The controller 170 outputs an off signal to the buffer unit 122 of the download connection unit 120 when the power is applied to prevent the data reproducing apparatus 100 from transmitting and receiving data to the outside (S100). It detects whether a signal is input through one of the 110 and the download connection unit 120.

When the operation signal is input through the key input unit 110, the control unit 170 outputs a control signal to operate the data reproducing apparatus 100 according to the operation signal, and the download connection unit 120 of the external device 200. When the connection signal is detected (S110), the on-signal is output to the buffer unit 122 (S120).

When the buffer unit 122 is turned on, the controller 170 performs an authentication process and determines whether to allow the download from the external device 200 (S130).

Referring to step S130 in more detail, the control unit 170 requests the transmission of a signal for authentication to the external device 200 through the second buffer unit 1222, the external through the first buffer unit 1221 The authentication information of the device 200 is received to first authenticate whether or not the external device 200 is allowed to download.

In this case, when it is determined that the external device 200 is allowed to download, the controller 170 additionally transmits authentication information of the data reproducing apparatus 100 to the external device 200 and then sends a response from the external device 200. It is also possible to receive information and perform secondary authentication.

That is, the external device 200 that is allowed to download has unique authentication information, authentication information of each of the data reproducing apparatuses 100, and response information corresponding to the authentication information of each data reproducing apparatus. The controller 170 of the data reproducing apparatus provides the authentication information requested.

After performing step S130, the controller 170 determines whether the download is allowed (S140). When the download is allowed, the controller 170 terminates all operations of the data reproducing apparatus 100, and the data storage unit ( After performing the reset of 130, a new sound source is downloaded to the data storage unit 130 and stored (S150).

In this case, when the authentication of the external device 200 is terminated, the controller 170 may turn off the second buffer unit 1222 to limit the upload of the data reproducing apparatus 100. This makes it possible to no longer perform functions related to uploading other than the transmission of the control signal for the above-described download permission authentication.

After performing the step S150, the control unit 170 determines whether the download is completed (S160), and if the download operation is not finished, continues to the step S150, and when the download operation is completed, the buffer unit 122 The off signal is output to terminate the connection between the data reproducing apparatus 100 and the external device 200.

In the step S160, whether the download is terminated while the second buffer unit 1222 is turned off is determined by detecting whether sound source data including a signal indicating that the sound source data is finally transmitted is received among the downloaded sound source data. By doing this, it is possible to know whether the download is finished.

In step S140, when downloading is not allowed, the controller 170 outputs an off signal to the first buffer unit 1221 of the buffer unit 122 to connect the data reproducing apparatus 100 with the external device 200. To be terminated.

Therefore, the data reproducing apparatus 100 according to the present invention can selectively download the sound source, and can block the upload of the sound source stored in the data reproducing apparatus 100 to the outside.

In addition, the data reproducing apparatus 100 according to the first embodiment may control initialization and download of the data storage unit 130 independently of a control signal transmitted from an external device.

(Second embodiment)

Next, the data reproducing apparatus 100a according to the second embodiment of the present invention will be described with reference to FIGS. 7 and 8. First, repeated description of the same components as the data storage device according to the first embodiment will be omitted, and the same reference numerals will be used for the same components.

The data reproducing apparatus 100a according to the second exemplary embodiment may include a data storage unit 130 (see FIG. 3) for storing data provided from an external device 200 (see FIG. 5) storing at least one data of an image or a sound source. And a key input unit 110 (see FIG. 3) for detecting an operation signal for reproducing data stored in the data storage unit 130, and a data reproduction unit 150 for reproducing and outputting data stored in the data storage unit 130. 3), a display unit 140 (refer to FIG. 3) for displaying the reproduction process and the operation state of the data, a download connection unit 120a for connecting to a terminal unit (not shown) of the external device, and a key input unit. When the operation control signal is output to the data reproducing unit 140 and the display unit 160 according to the operation signal detected from the 110, and the connection of the external device 200 to the download connection unit 120a is detected, the external device 200 is output. Initialization signal input from The control unit 170a controls the initialization of the data storage unit 130 and data storage to the data storage unit 130 according to whether the data storage unit 130 can be downloaded to the data storage unit 130.

The download connection unit 120a may include a data terminal unit 123 for connecting with the external device 200 to transmit and receive data, and a connection detection terminal unit 124 for detecting whether the external connection unit 200 is connected to the external device 200 through the data terminal unit 123. And an initialization signal detecting terminal unit 125 for detecting an initialization signal of a preset standard transmitted from the external device 200.

That is, in the data reproducing apparatus 100a according to the second embodiment, separate detection terminal parts 124 and 125 are previously installed in the download connection part 120a to determine whether to allow the download. Detect if it is input.

The data terminal unit 123 may be configured to perform forward data transmission in which data is transmitted from the external device 200 and control signals related to download from the data reproducing apparatus 100a (for example, a connection confirmation signal with an external device and initialization of the data storage unit). End of the download or the end of the download, etc.) is transmitted to the external device 200 to perform reverse data transmission.

Although not shown, the data terminal unit 123 further includes a positive power supply terminal and a negative power supply terminal that allow power to be applied to the data reproducing apparatus 100a from the external device 200. do.

The connection detecting terminal unit 124 is a component for confirming whether or not the external device 200 is connected to the data reproducing apparatus 100a. The connection detecting terminal unit 124 may be a separate terminal unit (not shown) or the external device 200 installed in the external device 200. Of the terminals connected to the download connection unit 120a of the data reproducing apparatus 100a is connected to a terminal section branched from one of the power supply terminals of the positive or negative power supply terminal to change the voltage level according to the connection of the external device 200. The change is detected to detect whether or not the external device 200 is connected.

The initialization signal detecting terminal unit 125 is connected to a terminal of the external device 200 to detect an initialization signal of a preset standard transmitted from the external device 200 and transmits the initialization signal to the controller 170a.

When the connection signal of the external device 200 is detected through the connection detection terminal unit 124 and an initialization signal is detected from the initialization signal detection terminal unit 125, the controller 170a initializes and stores the data storage unit 130. The data is deleted, and when new data is downloaded from the external device 200 through the data terminal unit 123, the data is stored in the data storage unit 130.

In addition, when the download of data is finished, the controller 170a closes the data terminal unit 123 so that data transmission and reception with the external device 200 through the data terminal unit 123 is blocked so that the connection is terminated.

In addition, the control unit 170a may be configured to input the data terminal unit when the initialization signal is not input or the initialization signal of another standard is input for a preset time after the connection with the external device 200 is detected through the connection detection terminal unit 124. Close 123 to terminate the connection.

The following describes the operation of the second embodiment of the data reproducing apparatus 100a.

The controller 170a detects whether a signal is input from any one of the key input unit 110 and the connection detection terminal unit 124 of the download connection unit 120a when the power is applied to the operation or external operation of the data reproducing apparatus 100a. The presence or absence of the connection with the apparatus 200 is detected (S200).

In operation S200, when an operation signal is input through the key input unit 110, the controller 170a outputs a control signal to operate the data reproducing apparatus 100a according to the corresponding operation signal input, and download download unit 120a. When the connection signal of the external device 200 is detected by using the reference signal, it is detected whether the initialization signal is input to the initialization signal detection terminal unit 125 (S210).

When the initialization signal is not detected in step S210, the controller 170a closes the data terminal unit 123 to terminate the connection (S260). When a preset initialization signal is detected, the controller 170a stores the data. The initialization signal is output to the unit 130 so that data stored in advance in the data storage unit 130 is deleted or data storage unit initialization such as a format is performed (S230).

After performing step S230, the controller 170a stores the download data transmitted from the external device 200 in the data storage unit 130 (S240), and determines whether the download of the data is finished (S250). .

If the download is not finished in the step S250, the step S240 is maintained, and when the download is completed, the controller 170a closes the data terminal unit 123 and terminates the connection with the external device 200 (S260).

Therefore, the data reproducing apparatus 100a according to the present invention can selectively download a sound source, and can fundamentally block the sound source stored in the data reproducing apparatus 100a from being uploaded to the outside.

In addition, the data reproducing apparatus 100a according to the second embodiment may be initialized and download data depending on a control signal transmitted from an external device.

(Third embodiment)

Next, the data reproducing apparatus 100b according to the third embodiment of the present invention will be described with reference to FIGS. 9 and 10. First, repeated description of the same components as the data storage device according to the first embodiment will be omitted, and the same reference numerals will be used for the same components.

The data reproducing apparatus 100b according to the third embodiment includes a data storage unit 130 (see FIG. 3) for storing data provided from an external device 200 (see FIG. 3), and data stored in the data storage unit 130. A key input unit 110 (refer to FIG. 3) for detecting an operation signal for reproducing the data, a data reproducing unit 150 (refer to FIG. 3) for reproducing and outputting data stored in the data storage unit 130, and reproduction of the data. The display unit 140 (see FIG. 3) for displaying the process and operation status, the download connection unit 120b for connecting the external device 200 through wired and wireless communication, and the operation signal detected from the key input unit 110. Accordingly, when an operation control signal is output to the data reproducing unit 150 and the display unit 140, and a connection is detected in the download connection unit 120b by wire communication with the external device 200, wireless communication is performed from the connected external device 200. Downloaded as a signal Control unit 170b for controlling the initialization and data storage of the data storage unit 130 to be downloaded to the data storage unit 130 according to the allowable authentication information of the card and whether or not the initialization signal of the data storage unit 130 is received. It includes.

The download connection unit 120b is connected to the external device 200 in a wired communication so that data can be transmitted and received, and a connection detection for detecting whether or not the external device 200 is connected through the data terminal unit 123. The terminal unit 124 and the RF transceiver 126 that performs wireless communication with the external device 200.

The data terminal unit 123 is configured to transmit data in the forward direction from which the data is transmitted from the external device 200 and control signals related to the download from the data reproducing apparatus 100b (for example, initialization of the data storage unit or termination of the download). Reverse data transmission to the external device 200 is performed.

Although not shown, the data terminal unit 123 further includes a positive power supply terminal and a negative power supply terminal that enable power to be applied to the data reproducing apparatus 100b from the external device 200. do.

The connection detecting terminal unit 124 is a component for confirming whether the external device 200 is connected to the data reproducing apparatus 100b, and is a separate terminal unit (not shown) or the external device 200 installed in the external device 200. Of the terminals connected to the download connection unit 120b of the data reproducing apparatus 100b is connected to a terminal section branched from one of the power supply terminals of the positive or negative power supply terminal to change the voltage level according to the connection of the external device 200. The change is detected to detect whether or not the external device 200 is connected.

The RF transceiver 126 is turned on when the connection of the external device 200 is detected, receives authentication information, an initialization signal, and the like transmitted from the external device 200 through an RF signal, and transmits the received authentication information to the controller 170b to reproduce data. The unique information of the device 100b may be transmitted to the external device 200 using an RF signal.

That is, the data reproducing apparatus 100b according to the third embodiment detects whether a connection signal of an external device is input to a separate connection detection terminal unit 124 for determining whether to allow the download to the download connection unit 120b, and connects When the connection signal is detected by the detection terminal unit 124, the RF transceiver 126 is turned on to receive authentication information, an initialization signal, and the like transmitted from the external device 200 using wireless communication.

When the connection signal is detected by the connection detection terminal unit 124 of the download connection unit 120b, the controller 170b outputs an ON signal to the RF transceiver 126 and receives an external device (received through the RF transceiver 126). In order to determine whether to allow the download by receiving the download authentication information of 200, it is determined whether the download is allowed by comparing with the previously stored authentication information.

In addition, when the initialization signal of the data storage unit 130 is detected through at least one of the RF transceiver 126 and the data terminal unit 123, the controller 170b initializes the data storage unit 130 and the data terminal unit. Data transmitted through the 123 is stored in the data storage unit 130.

That is, the controller 170b initializes the data storage unit 130 only when the authentication result, the download is allowed, and the initialization signal of the data storage unit 130 is detected, and the data transmitted from the external device 200 stores the data. To be stored in the unit 130.

In addition, when the download of data is finished, the controller 170b turns off the RF transceiver 126 and closes the data terminal 123 to block data transmission and reception with the external device 200.

The following describes the operation of the third embodiment of the data reproducing apparatus 100b according to the present invention.

The controller 170b detects whether a signal is input from any one of the key input unit 110 and the connection detection terminal unit 124 of the download connection unit 120b when the power is applied to the operation or external operation of the data reproducing apparatus 100b. The presence or absence of the connection with the apparatus 200 is detected (S300).

In operation S300, when an operation signal is input through the key input unit 110, the controller 170b outputs a control signal to operate the data reproducing apparatus 100b according to the input operation signal, and the download connection unit 120b. When the connection signal of the external device 200 is detected, the RF transceiver 126 is turned on (S310), and whether the authentication information of the external device 200 is input by detecting whether the authentication and download are allowed. Determine (S320).

As a result of the determination (S330), when the download is not allowed, the controller 170b turns off the RF transceiver 126 (S370) and closes the data terminal unit 123 to terminate the connection (S380).

In addition, when the determination result (S330), the download is allowed, the control unit 170b outputs an initialization signal to the data storage unit 130 so that the data stored in advance in the data storage unit 130 is deleted or formatted or the like. Storage unit initialization is performed (S340).

After performing step S340, the controller 170b stores the download data transmitted from the external device 200 in the data storage unit 130 (S350), and determines whether the download of the data is finished (S360). do.

If the download is not finished in step S360, the step S350 is maintained. When the download is finished, the control unit 170b turns off the RF transceiver 126 (S370) and closes the data terminal unit 123 so that connection is terminated. End (S380).

Therefore, the data reproducing apparatus 100b according to the present invention can selectively download the sound source, and can block the sound source stored in the data reproducing apparatus 100b from being uploaded to the external device.

In addition, the data reproducing apparatus 100b according to the third embodiment may be initialized and download data depending on a control signal transmitted from an external device.

In the above, the present invention has been shown and described with respect to certain preferred embodiments. However, the present invention is not limited to the above-described embodiments, and those skilled in the art to which the present invention pertains can vary as many as possible without departing from the spirit of the present invention as set forth in the claims below. Changes may be made.

1 is a block diagram showing a configuration of a general sound source reproducing apparatus.

2 is a block diagram showing a configuration of a sound source reproducing apparatus in which data transmission and reception with an external system is impossible.

Fig. 3 is a block diagram showing the construction of a first embodiment of a data reproducing apparatus according to the present invention.

4 is a block diagram showing in detail the download connection of FIG.

5 is a block diagram showing a data reproducing apparatus and an external apparatus according to the present invention;

6 is a flowchart showing a control process of a data reproducing apparatus according to the first embodiment;

Fig. 7 is a block diagram showing the construction of a second embodiment of a data reproducing apparatus according to the present invention.

8 is a flowchart showing a control process of a data reproducing apparatus according to the second embodiment.

9 is a block diagram showing the construction of a third embodiment of a data reproducing apparatus according to the present invention;

10 is a flowchart showing a control process of a data reproducing apparatus according to the third embodiment.

(Symbols for the main parts of the drawing)

100, 100a, 100b: data reproducing apparatus 110: key input unit

120, 120a, 120b: download connection

121: connection terminal portion 122: buffer portion

123: data terminal portion 124: connection detection terminal portion

125: initialization signal detection terminal 126: RF transceiver

130: data storage unit 140: display unit

150: data reproducing section 160: output terminal section

170, 170a, 170b: control unit 180: power supply unit

200: external device 1221: first buffer portion

1222: second buffer unit

Claims (13)

delete delete delete delete delete delete A data reproducing apparatus for storing data provided from an external device storing at least one data of an image or a sound source, and reproducing the stored data. A data storage unit for storing data provided from the external device; A key input unit for detecting an operation signal for reproducing data stored in the data storage unit; A data reproducing unit reproducing and outputting data stored in the data storage unit; A display unit to display a reproduction process and an operation state of the data; A download connection unit for connecting with the terminal unit of the external device; And Outputs an operation control signal to the data reproducing unit and the display unit according to the operation signal detected from the key input unit, and if the connection of the external device is detected in the download connection unit, storing the data according to whether to input an initialization signal from the external device. And a control unit for controlling the initialization of the unit and the data storage to the data storage unit so as to be downloaded to the data storage unit. The method of claim 7, wherein And when the initialization signal is detected, the controller initializes the data storage unit and stores data transmitted from the external device in the data storage unit. The method of claim 7, wherein The download connection unit includes a data terminal unit for connecting with the external device to transmit and receive data; A connection detecting terminal unit for detecting whether an external device is connected through the data terminal unit; And And an initialization signal detecting terminal unit for detecting an initialization signal transmitted from the external device. A data reproducing apparatus for storing data provided from an external device storing at least one data of an image or a sound source, and reproducing the stored data. A data storage unit for storing data provided from the external device; A key input unit for detecting an operation signal for reproducing data stored in the data storage unit; A data reproducing unit reproducing and outputting data stored in the data storage unit; A display unit to display a reproduction process and an operation state of the data; A download connection unit for connecting to the external device through wired and wireless communication; And Outputs an operation control signal to the data reproducing unit and the display unit according to the operation signal detected from the key input unit, and transmits a wireless communication signal from the connected external device when the connection to the download connection unit is detected by wire communication. And a control unit configured to control the initialization and data storage of the data storage unit according to whether or not the download permission authentication information is received and the initialization signal of the data storage unit is received so that the data storage unit can download the data to the data storage unit. The method of claim 10, And resetting the data storage unit only when downloading is permitted and the initialization signal is detected as a result of the authentication, and data transmitted from the external device is stored in the data storage unit. The method of claim 10, The download connection unit may be connected to the external device via wired communication to allow data transmission and reception; A connection detecting terminal unit for detecting whether an external device is connected through the data terminal unit; And And an RF transceiver for performing wireless communication with the external device. The method according to any one of claims 7 to 12, The control unit may block uploading of data stored in the data storage unit.

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