JPH0775180A - Remote controller - Google Patents

Abstract

PURPOSE:To recognize the degree of the control contents of an equipment at a glance even when using the remote controller at night or the like by displaying the control contents of the equipment with back light on a liquid crystal display part while switching the generated color of the back light at a switching device while using an input device or a detector. CONSTITUTION:When a cooling or heating mode is inputted by an input device 1, a power supply circuit switch 8 is switched to a contact A or B by the input device 1, and the light emitting color of back light 7 is switched by the switch 8. Then, a liquid crystal display part 6 is irradiated with the light 7, and the operation contents of an air conditioner are displayed on the display part 6. Therefore, even when using the remote controller at night or inside a dark room, the operation contents of the air conditioner can be recognized at a glance. Further, when an automatic mode is inputted by the device 1, the power supply circuit switch 8 is switched to the contact A or B corresponding to the operation contents of the air conditioner recognized by a controller 3 corresponding to the room temperature detected by a room temperature thermistor 2, and the display part 6 is irradiated with the light 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to switch the color of light emitted from a backlight by inputting means or detecting means,
The present invention relates to a remote control device capable of illuminating the liquid crystal display unit with the backlight and displaying the control contents of the device on the liquid crystal display unit.

[0002]

2. Description of the Related Art A conventional remote control device is provided with an input means for inputting control contents of a device in a main body of the remote control device, and outputs a control signal for controlling the device according to the input of the input means. A microcomputer (hereinafter, abbreviated as "microcomputer") is provided in the main body of the remote control device, and a transmitter for transmitting a control signal from the microcomputer is provided in the remote controller, and a control signal transmitted by the transmitter is transmitted. A receiving unit for receiving is provided in the device, a liquid crystal display unit for displaying the control contents of the device by a liquid crystal by the microcomputer is provided in the main body of the remote control device, and a backlight of one color emission for illuminating the liquid crystal display unit is provided. It is provided in the liquid crystal display section.

In the remote controller constructed as described above, the control contents of the equipment are inputted by the input means, the control signal is outputted from the microcomputer in response to the input of the input means, and the control signal outputted from the microcomputer. To the transmitter, and the transmitter can transmit a control signal to the receiver to remotely operate the device. Further, when the remote controller is used at night or in a dark room, the above microcomputer is used. By irradiating the liquid crystal display unit with a single-color backlight, the contents of control of the device are displayed on the liquid crystal display unit.

[0004]

However, in the remote control device configured as described above, when the remote control device is used at night or in a dark room, the backlight is applied to the liquid crystal display unit by the microcomputer. Although the control contents of the device are displayed on the liquid crystal display unit, even if the control contents of the device are switched, since the emission color of the backlight is one color, the current control contents of the device may be in any situation. There was a problem that it was not possible to recognize at a glance if there was one.

The remote control device of the present invention solves the above-mentioned problems, and illuminates the liquid crystal display unit with the backlight by switching the emission color of the backlight by the input means or the detection means by the switching means. By displaying the control contents of the device on the liquid crystal display unit, it is possible to recognize at a glance what the control contents of the device are, even when using the remote control device at night or in a dark room. It is an object of the present invention to provide a remote control device capable of performing the above.

[0006]

The remote control device of the present invention is made in order to achieve the above-mentioned object, and an input means for inputting the control content of the equipment or a detecting means for detecting the control content of the equipment, At least two colors for irradiating the liquid crystal display unit in a remote control device including a liquid crystal display unit for displaying the control content of the device input by the input unit or the control content detected by the detection unit on a liquid crystal It is provided with a backlight that emits light and a switching unit that switches the emission color of the backlight by the input unit or the detection unit.

[0007]

With the above structure, when the remote control device is used at night or in a dark room, etc., the control content of the device is input by the input means or the control content of the device is detected by the detection means.
The light emission color of the backlight is switched by the switching unit by the input unit or the detection unit, the liquid crystal display unit is irradiated with the backlight, and the control content of the device is displayed on the liquid crystal display unit.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the remote control device of the present invention will be described below with reference to FIGS.

An embodiment of the remote control device of the present invention is constructed as shown in FIG. 1. In FIG. 1, 1 is an input means for inputting the operation contents of the air conditioner, and 2 is a room temperature. Room temperature thermistor 3 for detecting, control means 4 for outputting a control signal according to the operation content input by the input means 1 and the room temperature detected by the room temperature thermistor 2, and 4 for the control output by the control means 3. A signal transmitter 5 for transmitting the control signal to a receiver (not shown) of the air conditioner body by a light emitting diode, a clock oscillator 5 for outputting a clock signal to the control means 3 for example, every one second, and 6 A liquid crystal display unit for displaying the operation contents of the air conditioner on a liquid crystal, 7 is a two-color backlight for illuminating the liquid crystal display unit, and 8 is the input unit 1 or a room temperature thermistor for displaying the light emission color of the backlight 7. To 2 Power circuit switch for switching, 9 is made of a power supply such as a dry battery for illuminating the backlight 7.

The input means 1 has an operation mode setting key of the air conditioner, a numeric key, a run / stop key, a battery key (not shown), and some function keys for time setting. The setting keys include cooling mode,
An automatic mode (not shown) for performing cooling and heating operations according to the heating mode and the room temperature detected by the room temperature thermistor 2 is provided.

The control means 3 is composed of a microcomputer, and a clock register 1 for counting each time a clock signal is input from the clock oscillator 5 into the control means 3.
0 is provided, a time register 11 for storing the time counted by the clock register 10 is provided in the control means 3, and a ROM 12 for storing the program of the control means 3 is provided in the control means 3. is there.

FIG. 2 is a flow chart showing the operation of distinguishing between the cooling mode and the cooling mode of the remote control device shown in FIG. 1. As shown in FIG. 2, first, in step S1, the clock signal from the clock oscillator 5 is output. Whether or not the clock signal is output is determined by the control means 3, and if the clock signal is not output from the clock oscillator 5, step S1.
, And it is in a standby state until the clock signal is output from the clock oscillator 5.

In step S1, the clock oscillator 5
When the clock signal is output from the clock oscillator 5, the process proceeds to step S2, and the clock register 10 counts up each time the clock signal is output from the clock oscillator 5, and the time register 11 counts the time.

When the time is set in the time register 11, the process proceeds to step S3, in which the control means 3 determines whether or not the content of the operation mode of the air conditioner input by the input means 1 is cooling, If the content of the operation mode is cooling, the process proceeds to step S4, and the power circuit switch 8 is set to the contact A.
When the operation mode is heating, the operation proceeds to step S5, the power circuit switch 8 is switched to the contact B, and the backlight 7 is turned on. When the backlight 7 emits light with a red emission color, the process proceeds to step S6.

In step S6, the display on the liquid crystal display unit 6 is executed by the control means 3, and when the display on the liquid crystal display unit 6 is executed, the process proceeds to step S7, and a routine program for controlling the remote control device. When the routine program is performed, the process proceeds to step S8, and it is determined whether the reference signal which is the clock signal has disappeared. If the reference signal does not disappear, the process returns to the step before step S8, and the reference signal disappears in step S8. It will be in a standby state in the foreground.

When the reference signal disappears in step S8, the process returns to the step before step S1 and enters the standby state,
When the next clock signal is output, the above program operation is repeated.

FIG. 3 is a flow chart showing the operation of discriminating and displaying the operation mode of the remote control device shown in FIG. 1. As shown in FIG. 3, first, in step S11, is a clock signal output from the clock oscillator 5? It is judged by the control means 3 that if the clock signal is not output from the clock oscillator 5, the process returns to the step before step S11 and is in a standby state until the clock signal is output from the clock oscillator 5.

When the clock signal is output from the clock oscillator 5 in step S11, the process proceeds to step S12, and each time the clock signal is output from the clock oscillator 5, the clock register 10 counts up and the time register 11 outputs the clock signal. Tick the time.

Then, when the time is set in the time register 11, the process proceeds to step S13, and the control means 3 judges whether or not the operation key of the input means 1 is pressed, and if the operation key is pressed, step S14. Then, the power supply circuit switch 8 is switched to the contact A and the light emission color of the backlight 7 becomes yellow green. If the operation key is not pressed, the process proceeds to step S15 and the power supply circuit switch 8 When the backlight 7 is switched to the contact B, the light emission color of the backlight 7 becomes red, and when the backlight 7 emits light, the process proceeds to step S16.

In step S16, when the display on the liquid crystal display unit 6 is executed by the control means 3, the process proceeds to step S17, a routine program for controlling the remote control device is executed, and when the routine program is executed, the process proceeds to step S18. Then, it is judged whether or not the reference signal which is the clock signal has disappeared, and if the reference signal does not disappear, step S1
Return to step 8 and step S until the reference signal disappears.
It will be in a standby state before 18.

In step S18, when the reference signal disappears, the process returns to the step before step S11 to enter the standby state, and when the next clock signal is output, the above program operation is repeated.

FIG. 4 is a flowchart showing the operation of displaying the remaining amount of the power source of the backlight of the remote control device shown in FIG. 1. As shown in FIG. 4, first, in step S21, the clock signal is output from the clock oscillator 5. If the clock signal is not output from the clock oscillator 5, it is determined in step S2.
It returns to the position before 1 and stands by until the clock signal is output from the clock oscillator 5.

When the clock signal is output from the clock oscillator 5 in step S21, the process proceeds to step S22, in which each time the clock signal is output from the clock oscillator 5, the clock register 10 counts up and the time register 11 causes Tick the time.

Then, when the time is set in the time register 11, the process proceeds to step S23, in which the control means 3 judges whether or not the battery key of the input means 1 is pressed, and if the battery key is pressed, step S24. Go to
The control means 3 determines whether the voltage of the battery which is the power source 9 is High (abbreviated as H). If the voltage of the battery is H, the process proceeds to step S25, and the power circuit switch 8 is switched to the contact A. The light emission color of the backlight 7 becomes yellow-green, and the battery voltage is Lo.
If it is w, the process proceeds to step S26, the power supply circuit switch 8 is switched to the contact B, the light emission color of the backlight 7 becomes red, and light is emitted. When the backlight 7 emits light, the process proceeds to step S27.

If the battery key is not pressed in step S23, the process proceeds to step S27, the display on the liquid crystal display unit 6 is executed by the control means, and the display on the liquid crystal display unit 6 is executed. And proceed to step S28,
A routine program for controlling the remote control device is executed. When the routine program is executed, the process proceeds to step S29, it is determined whether or not the reference signal which is the clock signal has disappeared, and if the reference signal does not disappear, the process returns to the step before S29, A standby state is set before step S29 until there is no reference signal.

In step S29, when the reference signal disappears, the process returns to the step before step S21 to enter the standby state, and when the next clock signal is output, the above program operation is repeated.

In the remote control device constructed as in the above-mentioned one embodiment, when the cooling operation or the heating mode is input by the input means 1, when the display operation for discriminating between the cooling mode and the heating mode is performed, the input means 1 is inputted. The power supply circuit switch 8 is switched to the contact A or B, and the light emission color of the backlight 7 is switched by the power supply circuit switch 8 so that the backlight 7
By irradiating the liquid crystal display unit 6 with the operation contents of the air conditioner and displaying the operation contents of the air conditioner on the liquid crystal display unit 6, the operation contents of the air conditioner can be displayed even when the remote control device is used at night or in a dark room. You can recognize at a glance what the situation is.

When the automatic mode is input by the input means 1, the control means 3 recognizes whether the operation is cooling or heating according to the room temperature detected by the room temperature thermistor 2, and the control means 3 recognizes it. The power circuit switch 8 is switched to the contact A or B according to the operation content of the air conditioner, and the backlight 7 is switched by the power circuit switch 8.
The color of light emitted is changed to illuminate the backlight 7 on the liquid crystal display unit 6 to display the operation contents of the air conditioner on the liquid crystal display unit.

Further, when the operation mode discrimination display operation is performed, the air conditioner is used even when the remote control device is used at night or in a dark room by pressing the start / stop key of the input means 1. When the air conditioner is in operation, the backlight 7 emits red light, and when the air conditioner is not operating, the backlight 7 emits yellow green light. Therefore, it is possible to recognize at a glance whether or not the air conditioner is in operation.

Further, when the remaining power display operation of the power source of the backlight 7 is performed, since the battery key of the input means 1 is pressed, even when the remote control device is used at night or in a dark room, When the battery voltage is high, the backlight 7 emits yellowish green light, and when the battery voltage is low, the backlight 7 emits red light, and the remaining battery level of the backlight 7 can be recognized at a glance. .

In the first embodiment, when the automatic mode is input by the input means 1, the control means 3 operates according to the room temperature detected by the room temperature thermistor 2 to operate the air conditioner. Although it was recognized whether it is cooling or heating, other than that, it may be possible to recognize the operation contents of the television or the like.

[0032]

Since the remote control device of the present invention is constructed as described above, the emission color of the backlight is switched by the switching means by the input means or the detection means, and the backlight is irradiated onto the liquid crystal display section. By displaying the control contents of the device on the liquid crystal display unit, it is possible to recognize at a glance what the control contents of the device are even when using the remote control device at night or in a dark room. it can.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a remote control device of the present invention.

FIG. 2 is a flow chart showing a display operation for distinguishing between a cooling mode and a heating mode of the remote control device of the present invention shown in FIG.

FIG. 3 is a flowchart showing an operation of discriminating and displaying an operation mode of the remote control device of the present invention shown in FIG.

FIG. 4 is a flowchart showing a remaining power display operation of the power source of the backlight of the remote control device of the present invention shown in FIG.

[Explanation of symbols]

 1 Input Means 2 Room Temperature Thermistor 6 Liquid Crystal Display 7 Backlight 8 Switching Means

Claims (1)

[Claims] 1. An input unit for inputting control contents of a device or a detection unit for detecting control contents of the device, and a control content of the device input by the input unit or a control contents detected by the detection unit are displayed on a liquid crystal. In a remote control device provided with a liquid crystal display unit for displaying the liquid crystal display unit, a backlight for illuminating the liquid crystal display unit, and a switching unit for switching the emission color of the backlight by the input unit or the detection unit. And a remote control device.