JP2002232520A - Communication terminal equipment and method for informing of arrival of incoming call - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide communication terminal equipment and a method for informing the arrival of an incoming call that can surely notice the arrival of an incoming call without stopping music. SOLUTION: The communication terminal 2 of this invention for transmitting/ receiving a communication signal to/from a base station 35 is characterized by that the communication terminal 2 is provided with music reproduction sections 11, 17, 18 that reproduce music and a display instruction section 42 that transmits a display signal to display prescribed information (user ID) to a display section 70 outside of the system employing the communication terminal when an incoming call arrives during reproduction of music.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a portable telephone, a PH
S (Personal Handy Phone), PDA (Personal Digital
More particularly, the present invention relates to a communication terminal device having a music playback function and an incoming call notification method.

[0002]

2. Description of the Related Art In recent years, various functions have been added to a communication terminal device such as a PHS in addition to a function as a simple telephone. One of them is a music playback function, for example. This is to make the PHS function as a music player by reproducing music data received by music distribution on the Internet or the like, by using a PHS or the like. And PH
In order to improve the sound effect of S and the like, a method of listening to music while wearing headphones on the PHS main body has been adopted.

[0003]

However, the communication terminal device of the type that listens to music through headphones as described above has the following problems. That is, when an incoming call is received by a PHS or the like during music reproduction, a method of notifying the incoming call by temporarily stopping the music being reproduced and sounding a ringtone has been considered. However, according to this method, there is a problem that the music is interrupted in the middle and troublesome.

[0004] The present invention has been made to solve the above-mentioned problem, and has as its object to provide a communication terminal device and an incoming call notification method that can accurately notify an incoming call without stopping music.

[0005]

In order to achieve the above object, the present invention provides a communication terminal for transmitting and receiving a communication signal to and from a base station, comprising: a music reproduction unit for reproducing music; A display instruction unit for transmitting a display signal for displaying predetermined information on a display unit outside the system when an incoming call is received during reproduction.

According to the communication terminal device of the present invention, when an incoming call is received during music playback, the display instruction unit transmits a display signal to a display unit such as an electric bulletin board outside the system. Then, predetermined information is displayed on the display unit that has received the display signal. For this reason, the user of the communication terminal apparatus can accurately notify the user of the incoming call without stopping the music being reproduced by viewing the information on the display unit.

Further, the incoming call notifying method of the present invention provides an incoming call notifying method for notifying that there is an incoming call to a communication terminal device provided with a music reproducing unit for reproducing music. When receiving an incoming call, the communication terminal device includes a step of transmitting a display signal for displaying predetermined information on a display unit outside the system, and a step of displaying the predetermined information on the display unit. Features.

According to the incoming call notification method of the present invention, when an incoming call is received during music playback, the communication terminal device transmits a display signal to a display unit such as an electronic bulletin board having a display instruction unit outside the system. Then, predetermined information is displayed on the display unit that has received the display signal. For this reason, the user of the communication terminal apparatus can accurately notify the user of the incoming call without stopping the music being reproduced by viewing the information on the display unit.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a communication terminal device and an incoming call notification method according to the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 shows a mobile communication system 80 in which P
1 is a schematic configuration diagram illustrating a system for reproducing music by an HS (communication terminal device) 1. The mobile communication system 80
This is a system for establishing a PHS call, which is connected to a switching center 20 so as to be able to transmit and receive signals.
A plurality of base stations 35 for relaying radio waves transmitted and received by HS1
And a home location register (HLR) 40 for storing subscriber information of the communication system and location information of each PHS.
And

The PHS 1 has a function of downloading music data stored in the Web server 50, storing it in an internal memory, and playing back music based on the stored music data. The music data of the Web server 50 is downloaded to the PHS 1 through the network 60 such as the Internet, the exchange 20, and the base station 35. When listening to music, headphones are usually attached to the PHS1.

The PHS 1 transmits a display signal for displaying predetermined information to an electric bulletin board (display unit) 70 provided outside the system. The timing for transmitting the display signal will be described later. In addition, here, the electric bulletin board 70 is a large television screen provided in a high-rise building, but the present invention is not limited to this. For example, a display for displaying traffic information or a display for displaying a weather forecast may be used. Further, a dedicated display unit used in the present embodiment may be installed at an arbitrary position.

Next, referring to the block diagram of FIG.
The configuration of S1 will be described in detail. The PHS 1 has a communication function, a music reproduction function, and a display instruction function. First, the configuration of the portion related to the communication function will be described. The PHS 1 is provided with an antenna 21 for transmitting and receiving radio waves, and the radio unit 3 is connected to the antenna 21. Radio unit 3
At the time of reception, down-converts a reception signal of a predetermined frequency captured by the antenna 21 and outputs a π / 4 shift Q
Outputs PSK (Quadrature Phase Shift Keying) signal. On the other hand, at the time of transmission, the radio section 3 receives the input π / 4
It up-converts the shifted QPSK signal and outputs a transmission signal of a predetermined frequency to antenna 21.

At the time of reception, digital modulation / demodulation section 4 performs demodulation processing on the π / 4 shift QPSK signal input from radio section 3 and outputs received data. On the other hand, at the time of transmission, modulation processing is performed on the input transmission data, and a π / 4 shifted QPSK signal is output.

At the time of reception, the TDMA processing unit 5 receives data input from the digital modulation / demodulation unit 4, that is,
Data of a preset downlink slot is selected from time-division multiplexed data of a plurality of slots, and separated into control data and compressed audio data. On the other hand, at the time of transmission, the input compressed voice data and control data are multiplexed into a preset uplink slot.

At the time of reception, the audio codec 6
The audio compression data input from the MA processing unit 5 is subjected to decoding processing (including error correction processing) and outputs a received audio signal. On the other hand, at the time of transmission, a compression encoding process (including a process of adding an error correction code) is performed on an input transmission audio signal to output compressed audio data.

The low-frequency amplifier 7 amplifies the received audio signal input from the audio codec 6, and the loudspeaker 8 outputs a sound based on the output audio signal of the low-frequency amplifier 7. The microphone 9 as a transmitter receives an audio signal, and the low-frequency amplifier 10 amplifies the audio signal input from the microphone 9 and outputs the amplified audio signal to the audio codec unit 6.

The control section 11 controls the entire system.
The control unit 11 includes a ROM (Read Only Memory) 11a in which an operation program and the like are written, and a RAM (Random Acc.
ess Memory) 11b. The control unit 11
When the PHS 1 receives an incoming call, the PHS 1 instructs a display wireless unit 42, described later, to generate a display signal. This point
This will be described in the description of the display instruction function.

The non-volatile memory 12 stores various data such as telephone directory data. The ringing tone output section 13 outputs a predetermined ringing tone under the control of the control section 11 at the time of an incoming call. The predetermined ringing tone includes an electronic alarm sound, a so-called “ringtone” music, in addition to a telephone bell. The ringing tone output unit 13 is also capable of outputting vibration in a manner mode.

The operation unit 14 includes, for example, a call key for instructing a call or answering an incoming call, an end key for ending a call, a numeric keypad for inputting a telephone number,
A key for the user to perform various operations, such as a key for searching telephone directory data, is provided.

The display 15 is constituted by, for example, a liquid crystal display or the like, and displays a monochrome or color image. The display 15 displays, in addition to the state of the system, the telephone directory data selected in the search of the telephone directory data, the telephone number input by the ten keys, and the like. It is also possible to notify the incoming call by blinking the screen or performing a predetermined display when there is an incoming call. The non-volatile memory 12, the ringer output unit 13, the operation unit 14, and the display 15 are connected to the control unit 11, respectively.

Next, a part related to the music reproducing function of the PHS 1 of the embodiment will be described. The semiconductor memory 16
It is a rewritable and removable semiconductor storage medium. For example, a flash card corresponds to this. The semiconductor memory 16 stores music data compressed using a compression technique such as MP3 (MPEG Audio Layer 3). When data is compressed using the compression technique of MP3, although the sound quality is slightly deteriorated (to the extent that it cannot be judged by ordinary human ears), the data is about 1/10 of that of a normal PCM signal. Since it can be compressed to a sufficient volume, it is possible to secure a sufficient music playback time even if a small-capacity medium such as the semiconductor memory 16 is used.

The MP3 decoder 17 includes a DSP (Digital
Signal processor) and reads out music data stored in the semiconductor memory 16,
The signal is expanded and output.

DAC (Digital to Analog Converter) 1
Reference numeral 8 includes a headphone amplifier and a low-pass filter, performs digital / analog conversion on the PCM signal input from the MP3 decoder 17, and demodulates the PCM signal into an analog signal. In addition, the demodulated analog signal is amplified and output to an amplitude value that can be reproduced at a sufficient volume.

The headphone jack 19 is an external output terminal. That is, instead of the speaker 8, the headphones 30 are used.
This is a signal terminal for outputting a signal to an external reproduction device such as Normally, when a headphone-side terminal is connected to the headphone jack 19, the driving of the speaker 8 is stopped. In addition, both the output signal of the low-frequency amplifier 7 and the output signal of the DAC 18 are input to the headphone jack 19, and the user can listen to these with headphones. Also, headphone jack 1
9 is connected to a battery pack 22 that is detachable from the PHS1 main body. The semiconductor memory 16, the MP3 decoder 17, the headphone amplifier, and the headphone jack 19 are controlled by the control unit 11.

Next, a part related to the display instruction function of the PHS 1 of the embodiment will be described. Here, the display instruction function means a function of instructing the electronic bulletin board 70 to display that there is an incoming call.

As shown in FIG. 2, the control unit 11 and the radio unit 3
The display wireless unit 42 is provided between the two. The display wireless unit 42 controls the antenna 2 according to a command from the control unit 11.
A “display signal” to be transmitted from 1 to the electronic bulletin board 70 is generated by a built-in oscillator. The display signal is a 2.4 GHz band Bluetooth (Blue T).
ooo) is a signal conforming to the standard, and the packet format includes ACCESS-CODE, HEADER, P
AYLOAD is included. PAYLOAD includes information indicating the user ID of the called party.

The above is the configuration of the mobile communication system including the mobile communication terminal according to the present embodiment. Next, the incoming call notification method of the present embodiment will be described with reference to the operation sequence of FIG. Here, PHS2 (caller) shown in FIG.
A case where a call is transmitted to HS1 (called party) will be described.

First, in step 301, music is reproduced by the PHS1. Specifically, the terminal of the headphone 30 is attached to the headphone jack 19, and the operation unit 14 is operated to set the PHS 2 to the music reproduction mode. Music data that can be reproduced by the PHS 1 is stored in the semiconductor memory 16. When the user selects an arbitrary music on the display 15, the control unit 11 reads the music data from the semiconductor memory 16. The read music data is MP3
After being expanded into a PCM signal by the decoder 17, the DAC 18
The signal is demodulated into an analog signal, amplified, and output from speakers 31 and 32 of headphones 30. In this embodiment, the control unit 11, the MP3 decoder 17, and the DAC
A music playback unit is constituted by 18.

Then, while music is being played back on the PHS1, if a call is made from the PHS2 in step 101, the base station 35 sends an incoming signal to the PHS2 in step 201.
Send to

The PHS 1 receiving the incoming call signal generates a display signal. Specifically, the control unit 11 that has confirmed the incoming call based on the information from the wireless unit 3 instructs the display wireless unit 42 to generate a display signal. The display wireless unit 42 conforms to the Bluetooth standard including the PHS1 user ID of 2.4 GHz.
A display signal for the z band is generated. The display signal is transmitted to the electric bulletin board 70 via the wireless unit 3 and the antenna 21 (Step 302). In the present embodiment, the display wireless unit 42, the control unit 11, the wireless unit 3, and the antenna 21
The display instruction unit is constituted by the above.

The electronic bulletin board 7 receiving the display signal
0 displays the user ID and the fact that there is an incoming call to the user (step 401). In particular,
For example, as shown in FIG. 1, "XYZ-like incoming call is received" is displayed. Here, XYZ is the user ID of the user of PHS1. Although not shown, the electronic bulletin board 70 is provided with a wireless device conforming to the Bluetooth standard for receiving a display signal.

Then, the PH who saw the display on the electronic bulletin board 70
The user at S1 can grasp that there is an incoming call at his / her PHS1. When the user of the PHS1 wants to talk, he can press the talk key to talk with the caller (steps 303 and 102). PHS1, P
When a call between the HSs 2 is established, the control unit 11 instructs the display wireless unit 42 to generate a “light-off signal”. This turn-off signal is also generated according to the Bluetooth standard similarly to the display signal. Then, the radio unit 3 and the antenna 21
When the turn-off signal is transmitted from the PHS1 through the terminal (step 304), the display of the user ID and the notification of the incoming call on the electronic bulletin board 70 are turned off (step 402).

As described above, in the present embodiment, the PHS1
When an incoming call is received while music is being played on the display unit, the display signal generated by the display wireless unit 42 is transmitted to the electric bulletin board 70 outside the system. Then, on the electric bulletin board 70 receiving the display signal, the user ID and the fact that there is an incoming call are displayed. For this reason, the user of the PHS1 can accurately notify the user of the incoming call by viewing the information on the electronic bulletin board 70 without stopping the music being reproduced.

As described above, the invention made by the present inventor has been specifically described based on the embodiments. However, the present invention is not limited to the above embodiments. For example, the communication terminal device is not limited to the PHS, but may be a mobile phone, a PDA, or the like.
Further, the telephone number of the communication terminal on the calling side may be displayed on a display unit such as an electric bulletin board. Further, the communication standard for transmitting the display signal to the display unit is not limited to Bluetooth, and various other wireless standards such as IrDA (Infrared Data Association) can be used.

[0036]

As described above, according to the communication terminal device and the incoming call notifying method of the present invention, when an incoming call is received during music reproduction, the display instruction unit is provided on a display unit such as an electric bulletin board outside the system. To send the display signal. Then, predetermined information is displayed on the display unit that has received the display signal. For this reason, the user of the communication terminal apparatus can accurately notify the user of the incoming call without stopping the music being reproduced by viewing the information on the display unit.

[Brief description of the drawings]

FIG. 1 is a diagram showing a mobile communication system in which a communication terminal device of the present invention is used.

FIG. 2 is a block diagram illustrating a configuration of a communication terminal device according to the present invention.

FIG. 3 is an operation sequence showing an incoming call notification method of the present invention.

[Explanation of symbols]

1, 2,... PHS (communication terminal device), 3,.
Control unit, 16: semiconductor memory (for recording audio data), 2
0: exchange office, 22: battery pack, 30: headphones, 3
5 ... base station, 42 ... display radio unit (display instruction unit), 50
... Web server, 60 ... network, 70 ... electric bulletin board (display unit), 80 ... mobile communication system.

Claims (2)

[Claims] 1. A communication terminal device for transmitting and receiving a communication signal to and from a base station, comprising: a music playback unit for playing music; and a display unit outside the system when a call is received during music playback. A communication terminal device, comprising: a display instruction unit that transmits a display signal for displaying predetermined information. 2. An incoming call notifying method for notifying that a communication terminal device provided with a music playback unit for playing music has received an incoming call, wherein when the communication terminal device playing music receives an incoming call,
The communication terminal device includes: transmitting a display signal for displaying predetermined information on a display unit outside the system; and displaying the predetermined information on the display unit. Incoming call notification method.