JPH04110993A - Information processing device - Google Patents

Abstract

PURPOSE:To prevent the shortening of a life by the burn of a display means and to reduce wasteful electric power consumption by automatically decreasing the brightness of a display means when a detecting means detects the absence of an operator and returning the display to the previously set original brightness when the detecting means detects the presence of the operator. CONSTITUTION:The display output is decreased to drop the brightness down to the extent that the burn does not arise on the screen of the display means in spite of the long-term display when the operator parts from this place and the detecting means 8 detects the absence of the operator. This display output is increased until the display is made by the brightness set in a brightness setting means 3 when the operator returns to this place and the detecting means 8 detects the presence of the operator. The shortening of the life of the display means by the burn is prevented in this way and the wasteful consumption of the electric power is prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an information processing apparatus including a display means such as a workstation, CAD/CAM, or personal computer.

[Conventional technology] FIG. 3 is a block diagram showing a conventional information processing device.

In the figure, 1 controls the overall control of the information processing device;
It is a processing means that executes predetermined information processing and also controls communication when this information processing device is used as a terminal of a host processing device. 2 is a cathode ray tube display (hereinafter referred to as CRT) as a display means on which a predetermined screen is displayed during the execution process of information processing by this processing means 1, and 3 is provided with a control knob for adjusting the brightness of this CRT 2. This is a brightness setting means.

4 is a keyboard as an input means for inputting operation information for the information processing into the processing means 1, and 5 is a mouse also as an input means. 6 is a power switch for the processing means 1, and 7 is a power source that is connected/disconnected by this power switch 6.

Next, the operation will be explained. Operator uses keyboard 4
Alternatively, the user operates the mouse 5 to input operation information for information processing. This operation information is input while referring to the display screen of the CRT 2.

The processing means 1 proceeds with information processing according to the operation information thus input, and displays a predetermined screen on the CRT 2 during the execution process of the information processing.

At this point, the operator must wait for a while (if he wants to leave the area, press the control knob of the brightness setting means 3)
The display output to T2 is lowered to reduce the brightness, the data being processed is saved by operating the keyboard 4, and finally the power switch 6 is turned off and the processing means 1
to temporarily stop the operation. These prevent the CRT2 from "burning out" by displaying the same display screen for a long time.
This is also done to reduce unnecessary power consumption.

After that, when the operator returns to the spot, he can control the brightness by operating the control knob of the brightness setting means 3.
The display output to the RT 2 is increased to return its brightness to the original brightness, the power switch 6 is turned on to start up the system, and the information processing of the data being processed is restarted.

Conventional information processing devices are configured as described above, so if the operator leaves the place for a while during information processing, he or she can turn off the power switch 6 to stop system operation or adjust the brightness settings. It is necessary to operate the control knob of means 3 to reduce the display output of the CRT2, and if this is not done, the CRT2 will be "burned out" and its lifespan will be shortened, and power will be wasted. When the system operation is stopped by turning off the power switch 6, there are problems such as the inconvenience of having to perform complicated operations to save data during processing and to start up the system when processing is restarted. there were.

This invention was made to solve the above-mentioned problems, and aims to provide an information processing device that can prevent shortening of the life of the display means due to "burning" and that does not waste power. do.

[Means to solve the problem]

The information processing device according to the present invention includes a detection means for detecting the presence/absence of an operator, and when the presence of the operator is detected by the detection means, the brightness of the display on the display means is set by a brightness setting means. The apparatus is provided with a display output control means that provides a display output with a brightness of a specified value, and reduces the display output when the absence of the operator is detected.

[Function 1] When the operator leaves the place and the detection means detects the absence of the operator, the display output control means of the present invention adjusts the brightness to a level that does not cause "burn" on the screen of the display means even if the display is displayed for a long time. When the operator returns to the spot and the detection means detects the presence of the operator, the display output is increased until the display is performed at the brightness set by the brightness setting means. By doing so, an information processing device that can prevent "burning" of the display means is realized.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. 1st
In the figure, 1 is a processing means, 2 is a CR as a display means.
T, 3 is a brightness setting means, 4 is a keyboard as an input means, 5 is a mouse also as an input means, 6 is a power switch, and 7 is a power supply, which are the same as those of the conventional device with the same reference numerals in FIG. , or a considerable portion, so a detailed explanation will be omitted.

A detection means 8 detects the presence/absence of an operator operating the keyboard 4 and mouse 5, and is, for example, a human body sensor that detects the presence or absence of a human body within a predetermined range by a change in capacitance. 9 controls the display output based on the detection signal of the human body sensor 8, and when the presence of the operator is detected, displays the screen at the brightness set by the brightness setting means 3 on the CRT 2. and, if the absence of the operator is detected, a display output that provides a display output whose brightness is such that it will not cause "burn" on the CRT 2 even if the display is displayed for a long time. It is a control means.

Next, the operation will be explained. As in the conventional case, the operator operates the keyboard 4 or mouse 5 while referring to the display screen of the CRT 2, inputs operation information into the processing means 1, and proceeds with information processing.

Screen display is performed on the CRT 2 at the brightness set by the brightness setting means 3. When the operator leaves the area, the human body sensor 8
detects that the operator is absent.

This detection signal of the absence of the operator is sent from the human body sensor 8 to the display output control means 9. When the display output control means 9 receives the detection signal, it reduces the display output, and even if the display continues for a long time, the display output does not remain on the screen. The brightness of the CRT 2 is reduced to the extent that "burning" does not occur. In this case, the display output is completely cut and the brightness of the CRT2 is
” may be reduced to.

When the operator returns to the spot, the presence of the operator is detected by the human body sensor 8 based on changes in capacitance and the like at that time. This detection signal of the presence of the operator is sent from the human body sensor 8 to the display output control means 9, and upon receiving the detection signal, the display output control means 9 increases the display output, and C
The display brightness of RT2 is returned to the original brightness set by the brightness setting means 3.

In the above embodiment, a human body sensor that detects the presence or absence of a human body by changes in capacitance or the like in front of the operator is used as the detection means. Other types of sensors, such as pressure sensors, may also be used, and the same effects as in the above embodiments can be achieved.

FIG. 2 is a block diagram showing an embodiment using the piezoelectric type pressure-sensitive sensor, and the same or equivalent parts as in the embodiment shown in FIG. 1 are given the same reference numerals to avoid duplication of explanation. . In the figure, 10 is a chair on which an operator sits when present, and 11 is a piezoelectric pressure sensor placed on this chair lo.

When the operator stands up from the chair 10, the pressure sensor 11 installed on the chair 10 detects the absence of the operator based on the pressure change at that time, and the display output control means 9 receives the detection signal and outputs the display. The brightness of the CRT2 is decreased by decreasing the brightness of the CRT2.

Further, when the operator returns and sits on the chair 1o, the presence of the operator is detected by the pressure change at that time, and the display output control means 9 that receives the detection signal increases the display output and increases the display output.
The display of RT2 is returned to the brightness set by the brightness setting means 3.

〔Effect of the invention〕

As described above, according to the present invention, when the detection means detects the absence of an operator, the brightness of the display means is automatically reduced, and when the detection means detects the presence of an operator, the display is changed back to the original setting. This is configured to return to the brightness, and has the effect of providing an information processing device that can prevent shortening of the life of the display unit due to "burn-out" and can also reduce wasteful power consumption.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an information processing device according to an embodiment of the present invention, FIG. 2 is a block diagram showing another embodiment of the invention, and FIG. 3 is a block diagram showing a conventional information processing device. . 1 is a processing means, 2 is a display means (CRT), 3 is a brightness setting means, 4 is an input means (keyboard), 5 is an input means (mouse), 8 is a detection means (human body sensor), 9 is a display output control means , 11 is a detection means (pressure-sensitive sensor). In addition, in the figures, the same reference numerals indicate the same or equivalent parts. Patent applicant: Mitsubishi Electric Corporation

Claims (1)

[Claims] an input means for inputting operation information; a processing means for executing predetermined information processing based on the operation information; a display means for displaying a predetermined screen during the execution process of information processing by the processing means; and the display. brightness setting means for setting the display brightness of the screen of the means; detection means for detecting the presence/absence of an operator operating the input means; and when the detection means detects the presence of the operator, the display means Provides a display output for displaying the screen at the brightness set by the brightness setting means, and when the absence of the operator is detected,
An information processing device comprising: display output control means for reducing the display output.