JPH1039961A - Information processing apparatus and information processing method - Google Patents

Abstract

(57) [Summary] [PROBLEMS] A power switch is turned on / off by mistake while carrying an information processing device such as a portable personal computer, or a trackball is mistakenly carried by while carrying an information processing device while the power is on. In the worst case, it is possible to prevent the necessary files from being erased by touching and inputting data or executing a program. SOLUTION: According to the open / close state of a display device such as an openable LCD and the connection state of a display device such as a CRT to an external terminal, an input device such as a keyboard and a trackball and a power switch on / off are received. By setting to prohibition, setting to enable, or switching, malfunction is prevented while operability is secured, and wasteful power consumption is suppressed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to prevention of malfunction in an information processing device such as a portable personal computer.

[0002]

2. Description of the Related Art In recent years, information processing apparatuses such as personal computers, particularly portable personal computers and the like, have been increasingly reduced in size and weight. Among them, portable personal computers called notebook computers have come to be used frequently. In such a personal computer, L is used to reduce the size.
In many cases, the CD display device is configured to be openable and closable.
In addition, in many cases, a connection terminal for a CRT or the like is provided so that the user can operate while looking at the LCD display screen while going out and in an office while viewing a large external display device such as a CRT. In such a personal computer, when the user closes the LCD display device, the LCD senses that the LCD display device is closed, and turns off the LCD display to prevent overheating of the LCD display device and save power consumption. Some are found. In some cases, an input device such as a trackball and a power switch are arranged on the side of the computer body. In such a configuration, L
Even when the CD display device is closed, the operation of the trackball can be performed. In this state, operations such as presentation, data input, and document creation are performed while viewing a large screen such as an external CRT display device instead of the LCD display device. It can be performed and is useful in terms of operability.

[0003]

However, when such a personal computer is carried with the power switch on, not only wasteful power consumption occurs, but also the user accidentally touches the trackball without the user's knowledge. In some cases, data is input and a program is executed, character data is input, and in the worst case, necessary files are deleted. Also, there is a possibility that the power switch is turned on by mistake even when the portable device is carried with the power turned off. Alternatively, the power switch may be turned off by mistake even when the portable device is carried while the power is on.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems. The present invention has been made to solve the above problems. It is intended to provide means that does not turn on and off.

[0005]

According to the open / close state of the LCD display device and the connection state of the display device such as a CRT to external terminals, data input from an input device such as a keyboard and a trackball, and power switch on / off are controlled. By doing so, you can execute the program by accidentally touching the trackball without the user's knowledge, erase necessary data and files, or turn the power on and off while ensuring operability. To prevent accidents.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION
In an information processing apparatus such as a portable personal computer, a display device such as an openable LCD, a power switch,
When the input device such as a keyboard and the display device such as the LCD are closed, control is performed so as not to accept both the ON / OFF of the power switch and data input from the input device. The operation is performed even when the power switch is OFF. An information processing apparatus characterized by having control means for performing
When the D display device is closed, both the ON / OFF of the power switch and the data input are not accepted, which has the effect of preventing malfunction and suppressing wasteful power consumption.

According to a second aspect of the present invention, in an information processing apparatus such as a portable personal computer, a display device such as an openable LCD, a power switch, and the LC
An information processing apparatus, comprising: a control unit that controls not to accept the on / off of the power switch when the display device such as D is closed; and a control unit that operates even when the power switch is off. When the LCD display device is closed, ON / OFF of the power switch is not accepted, which has an effect of preventing malfunction and suppressing wasteful power consumption.

According to a third aspect of the present invention, in an information processing apparatus such as a portable personal computer, a display device such as an openable LCD, a power switch, an input device such as a keyboard, and a display such as a CRT are provided. When an external terminal to which a device can be connected and a display device such as an LCD are closed and a display device such as a CRT is not connected to the external terminal, the power switch is turned on and off and data input from the input device is performed. An information processing device, characterized in that the information processing device has a control unit that operates so that both are not accepted and that operates even when the power switch is turned off, wherein the LCD display device is closed and the display device is not connected to the external terminal. Does not accept both the power switch on and off and data input, preventing erroneous operation and reducing wasteful power consumption while considering operability. A.

According to a fourth aspect of the present invention, in an information processing apparatus such as a portable personal computer, a display device such as an openable LCD, an input device such as a keyboard, and a display device such as a CRT can be connected. External terminal and the display device such as the LCD are closed, and the external terminal has a CR.
Control means for controlling so as not to accept data input from the input device when the display device such as T is not connected, wherein the LCD display device is closed and the external device is closed. When the display device is not connected to the terminal, there is an effect that data input is not accepted and malfunction is prevented.

According to a fifth aspect of the present invention, in an information processing apparatus such as a portable personal computer, an external terminal capable of connecting a display device such as an openable LCD, a power switch, and a display device such as a CRT. When the display device such as the LCD is closed and a display device such as a CRT is not connected to the external terminal, control is performed so as not to accept ON / OFF of the power switch. An information processing device characterized in that when the LCD display device is closed and the display device is not connected to an external terminal, the power supply switch is not accepted to be turned on and off, preventing malfunction and wasteful use. This has the effect of suppressing power consumption.

According to a sixth aspect of the present invention, there is provided a method for confirming an open / closed state of a display device such as an openable LCD.
An information processing method comprising the steps of: when the display device such as the LCD is closed, controlling to turn off a power switch and not to accept data input from an input device such as a keyboard. When the display device is closed, neither the ON / OFF of the power switch nor the data input is accepted, which has the effect of preventing malfunction and suppressing wasteful power consumption.

[0012] According to a seventh aspect of the present invention, a step of confirming the open / closed state of a display device such as an openable LCD is provided.
An information processing method comprising a step of controlling so as not to accept ON / OFF of a power switch when the display device such as the LCD is closed.
When the display device is closed, ON / OFF of the power switch is not accepted, which has the effect of preventing malfunction and suppressing wasteful power consumption.

[0013] According to an eighth aspect of the present invention, a step of confirming the open / closed state of a display device such as an openable LCD is provided.
Checking a connection state of a display device such as a CRT to an external terminal; and turning on / off a power switch when the display device such as the LCD is closed and the display device such as a CRT is not connected to the external terminal. An information processing method comprising a step of controlling not to accept data input from an input device such as a keyboard.
When the D display device is closed and the display device is not connected to an external terminal, the power supply switch is not turned on and the data input is not accepted, thereby preventing erroneous operation and suppressing wasteful power consumption while considering operability. Having.

According to a ninth aspect of the present invention, a step of confirming the open / closed state of a display device such as an openable LCD,
A step of checking a connection state of a display device such as a CRT to an external terminal; and an input device such as a keyboard when the display device such as the LCD is closed and a display device such as a CRT is not connected to the external terminal. An information processing method characterized by comprising a step of controlling so as not to receive data input from the device, wherein when the LCD display device is closed and the display device is not connected to the external terminal, the data input is not received, This has the effect of preventing malfunction.

According to a tenth aspect of the present invention, there is provided a method for confirming an open / closed state of a display device such as an openable LCD, and a step of confirming a connection state of a display device such as a CRT to an external terminal. An information processing method comprising: controlling a power supply switch so as not to be accepted when a display device such as an LCD is closed and a display device such as a CRT is not connected to the external terminal. On the other hand, when the LCD display device is closed and the display device is not connected to the external terminal, the power supply switch is not accepted to be turned on and off, which has the effect of preventing malfunction and suppressing wasteful power consumption.

An embodiment of the present invention will be described below with reference to FIGS. (Embodiment 1) FIG. 1 is a flowchart showing processing when the LCD display device is opened and closed and when a CRT is connected to or disconnected from an external terminal. FIG. 2 is a flowchart showing the open / closed state of the LCD display device and the CRT. It is a state transition diagram which shows the change of the state according to the connection state.

In FIG. 2, the processing when a transition from each state occurs will be described with reference to the flowchart of FIG.

[Transition 31] (when the external CRT is removed in state 24), the processing shown in FIG. 1 is executed. The process proceeds to step 11 for checking the LCD open / close state. Since the LCD display device is in the closed state, the process proceeds to step 12 for checking the CRT connection state. CRT at step 12
Is in the unconnected state, the flow shifts to step 14, where the data input is set to "impossible" and the power on / off is set to "impossible". By the above-described processing, input of a keyboard, a trackball, or the like while the display screen is not visible becomes impossible, and on / off of the power switch is not accepted.

[Transition 32] (when the LCD display device is opened in state 23), the processing shown in FIG. 1 is executed. The process proceeds to step 11 for checking the LCD open / close state.
Since the display device is in the open state, the process proceeds to step 13 and the data input is set to "OK" and the power ON / OFF is set to "OK". With the above processing, when the LCD display device is opened, input of a keyboard, a trackball, and the like can be performed, and ON / OFF of a power switch can be received.

In [Transition 33] (when the CRT is connected in the state 22), the processing shown in FIG. 1 is executed. Step 11
LCD open / closed state confirmation step. Since the LCD display device is in the open state, the routine proceeds to step 13, where data input is set to "OK" and power on / off is set to "OK" (actually, data input and power The on / off state does not change from the previous state, so it is not reset.)

In [Transition 34] (when the LCD display device is closed in the state 21), the processing shown in FIG. 1 is executed. The process proceeds to step 11 for checking the LCD open / close state.
Since the display device is in the closed state, the CRT
Move to the connection status check step. CR at step 12
Since T is in the connected state, the process goes to step 15 to set the data input to "permitted" and the power on / off to the "permitted" state (actually, the data input and power on / off states do not change from the previous state, so No setting).

In [Transition 35] (when the LCD display device is opened in the state 24), the processing shown in FIG. 1 is executed. The process proceeds to step 11 for checking the LCD open / close state.
Since the display device is in the open state, the process proceeds to step 13 and the data input is set to "OK" and the power ON / OFF is set to "OK". (The data input and power ON / OFF states do not change from the previous state. Do not reset).

In [Transition 36] (when the CRT is removed in the state 21), the processing shown in FIG. 1 is executed. Step 11
LCD open / closed state confirmation step. Since the LCD display device is in the open state, the routine proceeds to step 13, where data input is set to "OK" and power on / off is set to "OK" (actually, data input and power The on / off state does not change from the previous state, so it is not reset.)

At [Transition 37] (when the LCD display device is closed in the state 22), the processing shown in FIG. 1 is executed. The process proceeds to step 11 for checking the LCD open / close state.
Since the display device is in the closed state, the CRT
Move to connection confirmation step. In step 12, since the CRT is not connected, the process proceeds to step 14, where data input is set to "impossible" and power on / off is set to "impossible". With the above processing, input of a keyboard, a trackball, or the like while the display screen cannot be seen becomes impossible, and on / off of the power switch is not accepted.

[Transition 38] (when a CRT is connected in state 23), the processing shown in FIG. 1 is executed. Step 11
Then, the process moves to the LCD open / closed state confirming step. Since the LCD display device is in the closed state, the process proceeds to the step 12 for checking the CRT connection. In step 12, since the CRT is in the connected state, the flow proceeds to step 15, and the data input is changed to "
OK and power on / off are set to “OK.” With the above processing, when the CRT is connected, the keyboard, trackball, etc. can be input, and the ON / OFF of the power switch can be accepted.

As described in detail above, according to the open / close state of the LCD display device and the connection state of the CRT to the external terminal,
By properly controlling the input of a keyboard, a trackball and the like and the on / off of a power switch, it is possible to prevent malfunctions and suppress unnecessary power consumption while taking operability into consideration.

In the above embodiment, the case where the power supply is turned on and off and the input device is controlled when the external terminal for the CRT is present in the personal computer main body has been described. The input and the like and the ON / OFF of the power switch may be controlled, or only the input device may be controlled, or only the power ON / OFF may be controlled.

Further, in the embodiment, it is determined whether or not the CRT is connected. However, it may be determined whether or not the power of the CRT is turned on.

[0029]

As described above, according to the present invention, data input from an input device such as a keyboard, a trackball, etc. is performed in accordance with the open / close state of the LCD display device and the connection status of the display device such as a CRT to external terminals. By controlling the power switch on / off, while ensuring the operability, the user may accidentally touch the trackball without knowing it, execute the program, erase necessary data and files, Alternatively, there is an effect that the power is prevented from being turned on and off, and wasteful power consumption is suppressed.

[Brief description of the drawings]

FIG. 1 is a flowchart showing processing when an LCD display device is opened and closed and when a CRT is connected to or disconnected from an external terminal.

FIG. 2 is a state transition diagram showing an open / closed state of the LCD display device and a state change according to a connected state of the CRT.

[Explanation of symbols]

11 Step of checking the open / close state of the LCD 12 Step of checking the connection state of the CRT 13 Step of setting to accept data input and power on / off when the LCD is open 14 Data input and power on / off when the CRT is not connected Step 15 of setting reception of data input and power on / off to be permitted when the CRT is connected

Claims (10)

[Claims] In an information processing apparatus such as a portable personal computer, when a display device such as an openable LCD, a power switch, an input device such as a keyboard, and a display device such as the LCD are closed, An information processing apparatus, comprising: control means for controlling so as not to receive both the on / off of the power switch and the data input from the input device, and operable even when the power switch is off. 2. In an information processing apparatus such as a portable personal computer, when a display device such as an openable LCD, a power switch, and the display device such as the LCD are closed, on / off of the power switch is received. Control means for controlling the power supply so as not to operate even when the power switch is off. 3. An information processing apparatus such as a portable personal computer, comprising: a display device such as an openable LCD; a power switch; an input device such as a keyboard; and an external terminal to which a display device such as a CRT can be connected. When the display device such as the LCD is closed and a display device such as a CRT is not connected to the external terminal, the power supply is controlled so as not to accept both ON / OFF of the power switch and data input from the input device. An information processing apparatus comprising: control means operable even when a switch is off. 4. An information processing apparatus such as a portable personal computer, comprising: a display device such as an openable LCD; an input device such as a keyboard; an external terminal to which a display device such as a CRT can be connected; When the display device is closed and a display device such as a CRT is not connected to the external terminal,
Control means for controlling so as not to receive data input from the input device. 5. An information processing apparatus such as a portable personal computer, comprising: a display device such as an openable LCD; a power switch; an external terminal to which a display device such as a CRT can be connected; Control means for controlling the power supply switch to be closed when the display device such as a CRT is closed and not connected to the external terminal, and operable even when the power switch is off. Characteristic information processing device. 6. A step of confirming the open / close state of a display device such as an openable LCD, and when the display device such as the LCD is closed, turning on / off a power switch and inputting data from an input device such as a keyboard. An information processing method, comprising a step of controlling not to accept both. 7. A step of confirming the open / close state of a display device such as an openable LCD, and a step of controlling so as not to accept the ON / OFF of a power switch when the display device such as the LCD is closed. An information processing method characterized by the following. 8. A step of checking the open / closed state of a display device such as an openable LCD, a step of checking a connection state of a display device such as a CRT to an external terminal, and closing the display device such as the LCD. An information processing method comprising: controlling when a display device such as a CRT is not connected to the external terminal so as not to receive both a power switch on and off and data input from an input device such as a keyboard. . 9. A step of confirming an open / close state of a display device such as an openable LCD, a step of confirming a connection state of a display device such as a CRT to an external terminal, the display device such as the LCD being closed, and An information processing method, comprising the step of controlling so as not to accept data input from an input device such as a keyboard when a display device such as a CRT is not connected to the external terminal. 10. A step of checking an open / close state of a display device such as an openable LCD, a step of checking a connection state of a display device such as a CRT to an external terminal, the display device such as an LCD being closed, and An information processing method comprising the step of controlling so as not to accept the ON / OFF of a power switch when a display device such as a CRT is not connected to the external terminal.