JPS58219624A - Terminal device - Google Patents

Abstract

PURPOSE:To reduce the power consumption of a system and to prolong the life of a device, by supplying working operating electric power to a predetermined device automatically only when there is an call or incoming during operator's absence. CONSTITUTION:An operator presence/absence switch 160 outputs a switch-on signal when an operator sits down on an operators seat by providing a piezoelectric switch thereto and outputs a switch-off signal when the operator leaves the seat. A power source controlling part 170 supplies the operating electric power from a power source part 150 to all input/output devices 141-144 when the switch 160 outputs the switch-on signal or cuts off the power supply when the switch 160 outputs the off signal; only when a start controlling command CMDj is received from a CPU100, the operating electric power is supplied to a CRT display 141, flexible disk device 142, and printer device 144 to fetch and output only received data.

Description

Detailed Description of the Invention [Technical Field of the Invention] The present invention has a plurality of input/output devices including a flexible disk device and a CRT display device, and transmits and receives data to and from an external device via one communication line. The present invention relates to a terminal device having a system configuration.

[Technical background of the invention and its problems]

In recent years, standard components of terminal devices that exchange data with external devices via communication lines include keys and keys as input means and printers as print output means.

Providing a CRT display device as a display output means and a flexible disk device as a storage means is required in order to expand terminal functions and improve man-machine interfaces, and the situation is such that it can be configured reasonably inexpensively. be.

In a terminal device with such a system configuration, if there is no time limit for incoming or receiving calls to the terminal device, conventionally, all of the above system components are set to a constantly operating mode, and incoming calls from the outside are handled as follows. Or, they had a system in place that could immediately respond to incoming calls. However, even when there is no incoming call to the terminal device and the operator is not operating the terminal, conventionally, the operating power of each device remains on, resulting in a lot of waste in terms of power consumption. , and the lifespan of each device is reduced! Various problems arose in terms of economic efficiency, such as the need to invite foreign tourists.

[Purpose of the invention]

The present invention has been made in view of the above circumstances, and is a terminal device that has a plurality of input/output devices including a flexible disk device and a CRT display device, and exchanges data with an external device via a communication line. When the controller is not present (when it is away from the console), unless there is an incoming call to the terminal device (1), one of the above multiple input/output devices that is subject to power control will be automatically or selectively stops the supply of operating power to devices such as flexible disk devices and CRT display devices;
When there is an incoming call to the terminal device, the operating power is automatically supplied to the device that is the target of the power supply (in other words, the unnecessary operation of each of the above devices is eliminated and the power consumption of the system is reduced). It is an object of the present invention to provide a terminal device that can reduce the number of devices, extend the life of each of the devices described above (1), and further ensure safety during unmanned operation such as at night.

[Summary of the invention]

The present invention provides an operator presence/absence switch that indicates whether or not an operator is operating the system, and
Based on the status signal of this switch and the incoming call 1 incoming signal,
A power supply control unit is provided to supply and stop operating power to specific devices including flexible disk devices and CRT display devices, so that the devices are powered on only when the disk drive is in use and during communication, and at other times. By turning off the power, this contributes to extending the life of the device and saving energy of the system, and also ensures safety during unmanned operation such as at night.

[Embodiments of the invention]

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

The figure is a block diagram showing one embodiment of the present invention.
ioo is an arithmetic and control unit (hereinafter referred to as C
Reference numeral 110 denotes a memory having a storage area for a program that logically controls the entire terminal device, a buffer area for temporarily storing transmitted and received data, and the like. 120 is the above C
It is a communication control device for exchanging data with external equipment such as a partner terminal or computer under the control of the PU. 130, under the control of the CPU 100, various input/output devices (141 to 1) provided in the terminal device;
44) (hereinafter referred to as the I10 controller). 141 to 144 are input/output devices placed under the control of the I10 controller 130, and 141 is a CRT display device (C
RT), 142 is a flexible disk device (FD),
148 is a keypad unit (KB), and 144 is a printer device (PR). Reference numeral 150 denotes a power supply unit that outputs operating power for each terminal component described above. 160 is operator 'PE/ indicating operator 6a'', °1 absence''.
This is an insanity display switch. Here, a piezoelectric main f is provided on the operator's operating seat (chair), and when the operator sits on the operating seat, a switch-on signal indicating the operator's insanity state is output.

The configuration is such that when the operator leaves the operator's seat, a switch-off signal indicating the operator's "absence" status is output. 170 is an incoming call or an incoming signal to the terminal device (accompanied by two startup control commands CMD from CPU 00)
This is a power supply control unit which receives the output signals of the operator error/absence display switch 160 and controls the power supply to the input/output devices 141 to 144 according to the states of these signals. This power supply control section 170 is.

When the main power switch (not shown) is on (1), the operator is seated at the operator's seat, and the operator presence/absence display switch 160 is outputting a switch-on signal, all input/output devices 141 to 144 is supplied with operating power obtained from the power supply unit 150 to make each input/output device 141 to 144 active. When the switch-off signal is being output, the supply of operating power to each of the input/output devices 141 to 144 is cut off and the startup control command CMD from the CPU 100 is executed.
CHT display device 14 only if
1. Flexible disk device and even printer device 1
1. Supply operating power to 44. It is possible to collect (accumulate) and output received data.

Here, the operation of one embodiment will be described without reference to the drawings. The operator presence/absence display switch 160 outputs either a switch-on (presence) signal or a switch-off (absence) signal depending on whether the fourth operator is seated at the operator seat. Here, when the main power switch is in the on state, the operator is seated at the operator's seat, and the switch on signal is output from the operator presence/absence display switch □ switch 160, the power is turned on. 1) The output operating power of the input/output devices 141 to 144 is separately supplied to each of the input/output devices 141 to 144 through the power supply control section 170, and each input/output device 141 to 144 is activated. It is in a state of That is, for example, the CRT Dinzoray device 141 displays at least a cursor on the display screen, and the flexible disk device 142 is rotating with an FD sheet loaded therein. In other words, the terminal is ready for normal use.

Here, for example, when the operator goes home after finishing his regular shift, when the operator leaves the operating seat, the operator'PE/absence display switch 160 turns off, and this signal is input to the power supply control section 170. be done. When the power control detail 170 receives the switch-off signal from the operator presence/absence display switch 160, it cuts off the operating power of the input/output devices 141 to 144σ) under power supply control. As a result, the CRT display device 1
41 disappears, - flexible disk device 142
The rotational movement of will stop. At this time, since the main power supply match remains on, the CPU 100. Me'
The 110° communication control device 120 and the like are kept supplied with operating power and are in an operable state (receivable state). Here, when the communication control device 120 receives an incoming call or an incoming call signal and cPUloo issues an accompanying activation control command CMD j, the power supply control section 170 first supplies operating power to the flexible disk device 142. , the received data can be stored (stored), and operating power is supplied to the CRT display device 141 and the printer device 144, so that the received stored data can be displayed and printed. When the accumulation and output of received data is completed, 1! source control section 1
70 again each of the above input/output devices 141.1'42, 144
The operating power is cut off and the device enters the reception waiting state.

In this way, when the operator is immortal, except for communication with the outside and its processing, parts with relatively short lifespans such as the CRT display device 141 and the flexible disk device 142, parts with high consumability, and power consumption large parts (e.g. CRT, spindle motor, rotating mechanism,
By stopping the operation of input/output devices that use a large amount of power (fan motors, etc.), the lifespan of each of the above devices can be extended, and the power consumption of the system can be significantly reduced, making it extremely economically viable. This is an advantageous configuration. Additionally, by turning off the power to unnecessary parts when the operator is not present, as long as it does not interfere with external communications, a system that is superior in terms of security and reliability can be constructed. .

In the above-mentioned embodiment, there are six operators.
A piezoelectric switch is used as the switch 160 indicating 'absence',
Although this switch is installed on the operator's seat, the present invention is not limited to this. For example, the switch may be operated by the operator himself or herself. - It may also be configured to be provided in the console part of the card or pocket. In addition, in the above embodiment (in the second embodiment, the power supply control target when the operator is absent is a CRT display device 14, a flexible disk device, and a printer device 144, but the present invention is not limited to this, and for example, a liquid crystal display, a fixed disk device, etc.) Of course, it is also applicable to a system having as a component.

[Effect 1 of the Invention] As detailed above, according to the present invention, the present invention has a plurality of input/output devices including a flexible disk device and a CRT display device, and can exchange data with an external device via one communication line. When the operator is not present at the terminal device that performs the call, the call is received.

Unless there is an incoming call, the supply of operating power to at least predetermined devices such as the flexible disk device and the CRT display device among the plurality of input devices is automatically or selectively stopped, and the incoming call is received. By automatically supplying operating power to the above-mentioned devices only when the Not only can the lifespan of the device be extended, but also safety can be ensured during unmanned operation such as at night.

[Brief explanation of drawings]

The figure is a block diagram showing one embodiment of the present invention. 100... Arithmetic control unit (CPU), 110... Memory, 120... Communication control device, 13o... Input/output control device (I10 controller), 141-144...
・Input/output device (141...CRT display device,
142...Flexible disk device, 143...
key gate 0 unit, 144... printer device),
150... Power supply section, 160... Operator presence/absence display switch, 120... Power supply control section. Applicant's agent Patent attorney Takehiko Suzue

Claims (1)

[Claims] A terminal device that has a plurality of input/output devices including a flexible disk device and a CRT display device and exchanges data with an external device via one communication line, in which an operator is present.”6 A switch indicating "absent", a state signal of this switch, and an incoming call or incoming signal to the terminal device, and when the switch indicates the "absent" state, the incoming call or incoming signal is input. Particularly, a terminal device comprising: I) a power supply control section that supplies operating power to predetermined input/output devices including the flexible disk device and a CRT display device.