JPH0745783Y2 - Computer system start / stop control device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a computer system start / stop control device, for example, a display device, a printer, a keyboard device, etc. are connected to a main body of a personal computer (hereinafter abbreviated as a personal computer). The present invention relates to a start / stop control device suitable for a personal computer system, that is, an information processing device.

[Prior Art] Conventionally, in this type of computer system, as shown in FIG. 4, a CRT display device 3, a printer 5, a keyboard device 7, a mouse 9 and the like are connected to a personal computer main body 1 by using signal cables 11, 13, 15, It is common to connect each via 17 to configure the system. To start or stop the system, turn on or off the power switch arranged on the PC main body 1, the CRT display device 3 and the printer 5.
It is done by doing.

Further, when the personal computer body 1 is provided with a power outlet (not shown) whose power supply is controlled to be turned on or off in association with the turning on or off of the power switch 19, the CRT display device 3 or the printer 5 power cable 2
It is possible to connect 1, 23 to the power outlet of the personal computer main body 1 to supply power from the personal computer main body 1.

If the power of the CRT display device 3 and the printer 5 is always on, it is possible to automatically start or stop the entire system by turning on or off the power switch 19 of the PC body 1. The operability of starting or stopping can be improved.

[Problems to be Solved by the Invention] However, the conventional computer system has a configuration in which peripheral devices such as the CRT display device 3 and the printer 5 are connected and arranged around the personal computer main body 1 as a power source of the personal computer main body 1. Since the entire system is automatically started or stopped by turning the switch 19 ON or OFF, the PC body 1 is within the reach of the operator, for example, CR.
It was necessary to arrange the T display device 3 on the desk or on the side thereof so that the power switch 19 could be easily operated.

Therefore, when the personal computer body 1 becomes large, it is easy to get in the way when the personal computer body 1 is placed on a desk or on the side of a lasso operator or in the vicinity of the CRT display device 3, which may deteriorate the working environment. .

The present invention has been made under such a circumstance, and it is possible for an operator to easily start and stop the computer system at a normal operating position even if the personal computer main body and the display device are arranged apart from each other. It is an object of the present invention to provide a start-stop control device that makes it easy to maintain and improve the work environment of a computer system.

[Means for Solving the Problems] In order to solve such problems, the present invention provides a main processing device necessary for information processing, and a power supply from a commercial power supply to turn on the power supply to the inside and the outside. Connected to the PC body with a PC body that has a power supply control circuit that controls ON and OFF, a power supply cable that supplies power from this PC body, and a signal cable that transmits data signals between the PC body and supply. A display device for performing image display processing by a power supply and a data signal, and a keyboard device connected to the display device and outputting a data signal to the personal computer main body via the display device are provided.

Moreover, at least the display device or the keyboard device is provided with non-power switch means for outputting a pulse signal to the main body of the personal computer through the display device, and the power control circuit is provided with the non-power switch means. Power supply is turned on by pulse signal from
And OFF controllable.

[Operation] In the present invention having such means, a pulse signal is output when the non-power switch means of the display device or the keyboard device is operated, and the pulse signal is applied to the power control circuit of the personal computer main body via the display device. The
The power supply control circuit inside the personal computer is controlled.

Therefore, the power supply from the power control circuit is ON or OF
In the F state, the power supply to the personal computer main body and the power supply to the peripheral device, that is, the display device are controlled, and the computer system is automatically started or stopped.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of a computer system start / stop control device according to the present invention.

In FIG. 1, a personal computer main body 25 has a central processing unit, an internal memory unit, other control units, etc., and is a well-known main processing unit (not shown in FIG. 1, see FIG. 3) 27 in a computer system, and a power source. The control circuit 29 is provided, and a commercial AC power source is input from a commercial power source line (not shown) by a power cord 31 to operate under a predetermined program.

The power supply control circuit 29 controls ON and OFF of the commercial AC power supplied by the power supply cord 31 to supply it to the inside of the personal computer main body 25, that is, the main processing unit 27 and the like, and also to the outside through a power outlet (not shown). It is designed to supply power.

The CRT display device 33 is connected to the personal computer body 25 via a multi-core signal cable 35 that transmits data signals to each other, and its power cable 37 is connected to the power outlet of the personal computer body 25.

The CRT display device 33 performs image display processing by the power supply and data signals from the personal computer body 25, and may be replaced with a liquid crystal display device or the like.

A keyboard device 39 is connected to the CRT display device 33 by a multi-core signal cable 41. The keyboard device 39 is a known device having a plurality of push buttons (not shown). It outputs a data signal corresponding to.

A mouse 43 is connected to the CRT display device 33 by a signal cable 45. The mouse 43 is a conventionally known one that indicates coordinates on the display screen of the CRT display device 33 and outputs a corresponding data signal.

The printer 47 is connected to the personal computer body 25 via a multi-core signal cable 49 that transmits data signals to each other, and the power cable 51 is connected to the power outlet of the personal computer body 25. It has a known function of printing by a transmission data signal between the power supply and the personal computer body 25.

The CRT display device 33, the keyboard device 39 and the mouse 43 have switch means 53 that can be operated by an external switch,
55 and 57 are arranged, and a trigger-like pulse signal can be input to the CRT display device 33 according to the switch operation of each switch means 53 to 57.
The pulse signal from ~ 57 is transmitted from the CRT display device 33 via the signal cable 35 to the power supply control circuit 29 of the personal computer 25.
Can be input to.

The switch means 55 and 57 are input to the CRT display device 33 via the signal cables 41 and 45.

Therefore, the signal cables 35, 41, 45 have dedicated lines for transmitting pulse signals from the switch means 53 to 57 in addition to the signal lines for the data signals corresponding to the push buttons and the coordinate data signals in the mouse 43. .

The switch means 53 to 57, for example, as shown in FIG. 2, fix one end of the bar magnet 63 to the tip of the operation shaft 61 from the push button 59,
Arranged so that the bar magnet 63 is inserted in the air-core excitation coil 67 formed in the switch case 65, and the push button 59 and the switch case are arranged.
A coil spring 69 is arranged between the 65, and the push button 59 is configured to protrude from the main body cover 71 of the keyboard device 39, for example. The switch means 53 to 57 are pushbuttons.
By pressing 59, the pulse signal S is excited and output.

The switch means 53 and 57 arranged on the CRT display device 33 and the mouse 43 have the same structure and are arranged on the front panel of the CRT display device 33 and the front surface side of the mouse 43, but the description thereof is omitted. To do.

FIG. 3 shows an outline of the personal computer main body 25 shown in FIG.

That is, the power line 73 from the power cord 31 is connected to the main processing unit 27 and the power outlet 77 via the contacts P1 and P2 of the relay circuit 75. The power supply line 73 and the like are shown as a single line for the sake of simplicity.

The latch circuit 79 has, for example, a JK flip-flop circuit,
It operates by the pulse signal from the switch means 53-57,
The output signal is latched in the H state or the L state,
Each time a pulse signal is input from the switch means 53 to 57, it has a function of inverting the output signal to the L or H state, and is connected to the drive circuit 81.

The drive circuit 81 operates the relay circuit 75 to short-circuit the contacts P1 and P2 when the output signal of the latch circuit 79 is in the H state, and contacts the contact P1 and P2 when the output signal of the latch circuit 77 is in the L state.
The space between P2 is opened.

The signal lines for transmitting the data signals of the signal cables 35 and 49 are connected to the main processing device 27, but the description thereof is omitted because it has a known configuration.

Next, the operation of the start-stop control device according to the present invention will be described.

The power cord 31 of the personal computer 25 is connected to the commercial AC power line, and the personal computer 25, the CRT display device 33,
It is assumed that the keyboard device 39, the mouse 43 and the printer 47 are connected by the signal cables 35, 41, 45 and 49, respectively, and the CRT display device 33 and the printer 47 are connected to the personal computer body 25 by the power cables 37 and 51.

Here, for example, when the push button 59 of the switch means 55 of the keyboard device 39 is pressed, the pulse signal passes through the CRT display device 33 as it is and is input to the power supply control circuit 29 of the personal computer body 25 via the signal cable 37.

In the power supply control circuit 29, the output signal of the latch circuit 79 is in the H state, the relay circuit 75 operates and the contacts P1 and P2 are short-circuited,
AC power is applied to the main processing device 27 and the power outlet 77, and power is supplied from the personal computer body 25 to the CRT display device 33 and the printer 47, and the computer system is activated.

On the other hand, when the switch means 53 of the CRT display device 33 is pressed during the operation of the computer system, a pulse signal is added to the power supply control circuit 29 of the personal computer body 25, and the latch circuit.
The output signal of 79 becomes L state, and the contact P1 of the relay circuit 75,
Open between P2, main processor 27 and power outlet
The AC power supply to 77 is cut off.

Therefore, the operations of the personal computer body 25, the CRT display device 33, and the printer 47 stop, and the computer system stops.

Therefore, in the present invention, it is possible to control the start or stop of the computer system simply by operating the switch means 53 to 57 of the CRT display device 33, the keyboard device 39 or the mouse 43 which is always arranged near the operator of the computer system. Therefore, the personal computer body 25 can be arranged away from the operator, and the personal computer body 25 can be moved to any place within the range permitted by the signal cable 35 and the power cable 37.

The switch means 53 to 57 described above is an example, and the present invention is not limited to this configuration, but it is necessary to have a non-power switch configuration so that a pulse signal can be output by operating the push button at the time of startup.

Further, the present invention is not limited to the configuration in which the switch means 53 to 57 are arranged on the CRT display device 33, the keyboard device 39 and the mouse 43. For example, it is possible to arrange the switch means in the CRT display device 33 and the printer 47.

However, the computer system includes a CRT display device 33 and a keyboard device 39 in addition to the personal computer body 25.
Since most of the examples have
If the switch means is provided on either the CRT display device 33 or the keyboard device 39, the object of the present invention can be achieved.

It should be noted that the personal computer body 25 of the present invention may be provided with a power switch as in the conventional example to control the power control circuit 29.

[Effects of the Invention] As described above, the present invention provides a power control circuit for controlling the supply of power to the inside and the outside of a personal computer by arranging the non-power switch means for outputting a pulse signal in at least the display device or the keyboard device. Since it is arranged on the personal computer main body and its power control circuit is formed to be ON and OFF controllable by its pulse signal, just by operating the non-power switch of the display device or keyboard device,
The power supply to the PC is controlled through the control operation of the power control circuit of the PC, and the power supply to the peripheral device that operates by the power supply from the PC, for example, the display device and the keyboard device is ON / OFF controlled, The system will be started or stopped automatically.

Therefore, it is possible to easily start or stop the computer system at the normal operating position of the operator even if the personal computer body is placed away from the other position so as not to get in the way. It is easy to maintain and improve the environment.

In particular, in recent years, personal computers have come to be supplied with devices incorporating hard disk drive devices, and it is not necessary to insert a floppy disk, and it is not necessary to place the personal computer in the vicinity of the operator. The present invention is useful.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a computer system start / stop control device according to the present invention, FIG. 2 is a sectional view showing a concrete example of switch means used in the embodiment of FIG. 1, and FIG. 1 is a block circuit diagram showing a main part of a computer main body (personal computer main body) in FIG. 1, and FIG. 4 is a block diagram showing a conventional computer system configuration. 1, 25 ...... Computer body (personal computer body) 3, 33
...... Peripheral equipment (display device), 5, 47 ...... Peripheral equipment (printer), 7, 39 ...... Keyboard device, 9, 43 ...
… Mouse, 11, 13, 15, 17, 35, 41, 45 …… Signal cable, 19 …… Power switch, 21, 23, 37, 51 …… Power cable, 27 …… Main processing unit, 29 …… Power supply Control circuit, 31 ……
Power cord, 33 ... Power line, 53, 55, 57 ... Non-contact switch means (switch means), 75 ... Relay circuit, 77
…… Power outlet, 79 …… Latch circuit, 81 …… Drive circuit.

Continuation of front page (72) Inventor Tetsuro Morishita 3-5-24 Miyahara, Yodogawa-ku, Osaka-shi, Osaka, NEC Home Electronics Co., Ltd. (56) Reference JP 62-266609 (JP, A) JP Sho 56-38946 (JP, A) Actually opened Sho 59-99559 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A computer main body having a main processing unit necessary for information processing, and a power supply control circuit for controlling ON and OFF of power supply to internal and external by receiving power supply from a commercial power supply, and the computer main body. And a display device connected to the computer main body by a power cable for supplying power from the computer and a signal cable for transmitting a data signal to and from the computer main body and performing image display processing by the power supply and the data signal. A keyboard device that is connected to the computer and outputs a data signal to the computer main body through the display device; and at least a non-power switch means that outputs a pulse signal to the computer main body through the display device by operation. The display device or keyboard While being placed in the apparatus, the power supply control circuit, activation suspension controller of said computer system characterized by comprising been formed to be ON and OFF control of the power supply by a pulse signal from a no-power switching means.