KR0170151B1 - Operating method of bidirectional remote controller - Google Patents

Abstract

The present invention relates to a method of driving a two-way remote controller, wherein when the user presses the identification key provided in the keypad, the ID discrimination unit is driven and the ID of the corresponding device is extracted from the ROM in the corresponding device, and the light receiving unit of the remote controller is provided through the light emitting unit of the corresponding device. The ID of the device transmitted from the corresponding device is decoded by the decoder, and each driving command stored in each of the plurality of ROMs and the ID of the corresponding device are matched to the matching table in the selection unit. When the end signal is received from the unit, the ID discrimination unit stops driving. Subsequently, when a user presses a function key provided on the keypad of the remote controller, the ROM of the corresponding device is selected from the plurality of ROMs, and parallel driving commands are drawn out from the selected ROMs, and the P / S converter converts the serial driving commands into serial commands. And then transmitted to the light receiving unit of the corresponding device through the converter and the light emitting unit, the ID discrimination unit is driven while receiving the ID of the corresponding device, and based on the end signal transmitted after the ID of the corresponding device is transmitted from the light emitting unit of the corresponding device. Therefore, the drive of the ID discrimination unit stops, so that the infrared signal for the ID of the device transmitted from the corresponding device can be accurately received, and the power consumption of the remote controller battery generated by driving the ID discrimination unit for a long time is prevented.

Description

How to operate the bidirectional remote controller

1 is a schematic block diagram of hardware for performing a method of driving a bidirectional remote controller according to the present invention.

2 is a flowchart illustrating an operation of receiving an ID transmitted from a corresponding device according to a preferred embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

100: keypad 120: ROM

130: P / S converter 140: converter

150 light emitting unit 160 light receiving unit

170: ID discrimination unit 172: decoder

174: selection unit

The present invention relates to a remote controller (abbreviated as a remote controller) widely employed in A / V (AUDIO / VIDEO) devices and office equipment, and more particularly, to an ID (IDENTIFICATION) transmitted from a corresponding device. A method of driving a two-way remote controller to stop the driving of the light receiving means when the infrared signal is terminated.

Typically, various A / V devices (for example, TV, V-Cal, etc.) and office devices (for example, computers, faxes, etc.) have various switches for allowing a user to directly control or operate the device. However, as part of a method for further improving user convenience in response to user's needs in recent years, such various A / V devices or office devices have remote control by remote control. The system which makes it possible is employ | adopted.

That is, a control signal (generally an infrared signal) from a remote control unit is transmitted and input to the corresponding device, and an operation corresponding thereto based on the control signal of the microcomputer embedded in the corresponding device based on the control signal, eg For example, the device can be turned on / off, volume control, channel switching, and color adjustment.

On the other hand, in recent years, with the development of the electronics industry, the spread of A / V equipment and office equipment has been rapidly spreading, and the number of remote controllers for remote control of each equipment is also various according to the spread of these various equipment. It is increasing rapidly. For example, in one home, each remote control according to a television remote control, a microwave remote control, a personal computer remote control, or the like is provided for each device.

As described above, the provision of a remote controller for each device may not be desirable in terms of economics or manufacturing cost of the device, and confusion and inconvenience for the user due to the use of each remote control for each device. Therefore, these unnecessary waste elements must be solved in some form.

Therefore, researches on a remote controller capable of controlling the functions of a plurality of devices, respectively, are continuously underway in the field of the user relating to the remote controller, and as part of this research, the inventors proposed by the strong light and the same applicant by the applicant of the present application. There is a bidirectional remote controller filed with the Korean Patent Office.

The bidirectional remote controller proposed by the inventor strong light as described above receives the infrared signal for the ID of each device transmitted from a plurality of devices, stores each corresponding drive command in each of the plurality of memory elements, and then When a function key for a desired function of the corresponding device is input from the keypad, the memory device in which the driving command of the corresponding device is stored is selected from among the plurality of memory devices, and the driving command corresponding to the function key is drawn from the memory device. It is converted into an infrared signal and then sent to the light receiver of the desired device.

Here, the bidirectional remote controller proposed by the inventor strong light is provided with a light receiving unit, a decoder, and a selection unit for receiving the infrared signal for the ID of each device transmitted from a plurality of devices, such a light receiving unit and decoder, and Since the selector needs the power of the battery included in the remote controller, the timer is used to set the time sufficient to receive the ID of the corresponding device, and the decoder and the selector are operated only during this time to prevent the power wasted.

However, in receiving the ID of the device, even if it is possible to receive the infrared signal for the ID of the device at 60 msec, more time, i.e., sufficient time to receive the infrared signal for the ID of the device (inventor strong In the two-way remote controller proposed by the light was set to 300 msec.), There is a problem that wastes the power of the battery provided in the remote control.

In addition, if the predetermined time set in the timer in the remote controller is exceeded while the infrared signal for the ID is sent late from the corresponding device due to the poor reception of the infrared signal of the corresponding device, the decoder and the selector are not driven. There is a problem in not receiving a signal.

Accordingly, the present invention has been made in view of the above problems, and provides a method of driving a bidirectional remote controller capable of optimizing a driving time of a remote controller for receiving an infrared signal for an ID transmitted from a corresponding device. There is a purpose.

In order to achieve the above object, the present invention provides a method of driving a two-way remote control for receiving an ID of a corresponding device among a plurality of devices, and transmitting an infrared signal for performing a function of a desired corresponding device among the plurality of devices. When the discrimination key is input from the keypad of the remote controller, the ID discriminating means is driven, and at the same time, a driving command corresponding to the discrimination key is extracted from one of the plurality of memory elements and converted into an infrared signal corresponding thereto. Next, the first step of transmitting to the light receiving means of the corresponding device, and the infrared signal for the ID of the corresponding device transmitted from the light emitting means of the corresponding device based on the infrared signal transmitted from the remote control corresponding to the discrimination key signal Receive a signal, decode it, and then select an image based on the ID of the corresponding device. A second step of selecting a memory device corresponding to the corresponding device from among a plurality of memory devices and stopping driving of the ID determining means when a termination signal is sent from the light emitting means of the corresponding device; When a key corresponding to a desired function of the corresponding device is inputted from the keypad, a corresponding driving command is extracted from the selected memory device among the plurality of memory devices, converted into a corresponding infrared signal, and then It provides a driving method of the bidirectional remote controller, characterized in that the third step of transmitting to the light receiving means.

The above and other objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings by those skilled in the art.

On the other hand, in order to implement the present invention, if an infrared signal corresponding to the discrimination key signal is sent from the light emitting unit to the corresponding device from the remote controller, the corresponding device stores the ID of the corresponding device stored in the ROM in the corresponding device. Withdraw the infrared signal corresponding to the remote controller through the light emitting unit, and when the transmission of the infrared signal for the ID of the corresponding device is terminated, the corresponding device should send the end signal to the remote controller through the light emitting unit.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic block diagram of hardware for performing a method of driving a bidirectional remote controller according to an exemplary embodiment of the present invention. The keypad 100, the plurality of ROMs 120, and the P / S converter 130 are shown in FIG. , The converter 140, the light emitting unit 150, the light receiving unit 160, and the ID determining unit 170.

In the same figure, the keypad 100 generates a key signal corresponding to an external key, that is, when a key for a desired operation is pressed by a user's manual operation, thereby generating a plurality of ROMs 120 and an ID discriminating unit 170 to be described later. Each of which is provided to the selector 174, and when a discrimination key for determining the ID of the desired device is pressed by a user's manual operation, the corresponding key signal is selected from one of the plurality of ROMs (the present invention). In the embodiment, it is assumed that the first ROM 121 is provided.

In addition, the ROM 120 includes a plurality of ROMs 121, 122, and 123, and each ROM stores driving commands for IDs of a plurality of devices, respectively, wherein the first ROM 121 is a remote controller. The drive command for storing the original function of the drive command is stored, and the drive command stored in each of the plurality of ROMs 120 is typically stored in parallel.

Meanwhile, the plurality of ROMs 121, 122, and 123 respectively extract driving commands corresponding to the key signals from the keypad 110 and provide them to the P / S conversion unit 130. In this case, the P / S conversion unit ( Each driving command provided to 130 is provided to the P / S converter 130 after one driving command is selected based on the selection signal from the selecting unit 174 to be described later.

In addition, the P / S converter 130 converts a parallel driving command provided from one ROM selected from the plurality of ROMs 121, 122, and 123 into a serial driving command, and the converter 140 The P / S converter 120 converts the serial drive command converted into an infrared signal, and the light emitter 150 converts the infrared signal converted by the converter 140 into a light receiver of a corresponding device, which is not shown. Send it out.

On the other hand, in FIG. 1, the light receiving unit 160 receives the infrared signal and the end signal for the ID of the corresponding device transmitted from the light emitting unit of the corresponding device, not shown, and provides it to the ID conversion unit 170. The infrared signal for the ID from the device is an infrared signal from which the ID of the device stored in the ROM in the device is transmitted through the light emitting unit based on the infrared signal corresponding to the discrimination key signal transmitted from the remote controller. When all infrared signals for the ID of the device are transmitted, it is an infrared signal transmitted from the light emitting unit of the corresponding device.

Then, the ID determining unit 170 is driven based on the determination signal provided from the keypad 100, stops driving when the end signal is provided from the light receiving unit 160, and stops driving of the ID conversion unit 170, Power from the battery, not shown, is not consumed by the ID discrimination unit 170.

In FIG. 1, the decoder 172 in the ID determining unit 170 decodes an infrared signal of an ID of the corresponding device received by the light receiving unit 160 into an ID of the corresponding device, and provides it to the selection unit 174. The selection unit 174 in the ID discrimination unit 170 stores a matching table in which driving commands of each device and IDs of each device are respectively matched with the plurality of ROMs 121, 122, and 123. When a selection signal is input from the keypad 100, a plurality of ROMs 121, 122, and 123 select a selection signal for selecting a ROM in which a driving command corresponding to the selection signal from the keypad 100 is stored using a matching table. Occurs as

Here, the matching table is stored in the non-volatile RAM (NOT-VILATILE RANDOM ACCESS MEMORY) provided in the selector 174, the matching table stored in the nonvolatile RAM is the keypad 100 by a user's manual operation It is not changed or erased unless there is an ERASE signal from it.

An operation process of the driving method of the bidirectional remote controller of the present invention having the above-described constituent members will be described in more detail with reference to FIGS. 1 and 2.

First, the keypad 100 is provided with a plurality of keys for performing operations of a plurality of devices and a determination key for determining an ID of a corresponding corresponding device among a plurality of devices.

Next, when a discrimination key in the keypad 100 is pressed based on a user's manual operation (step 210), a corresponding discrimination key signal is generated from the keypad 100 to generate a plurality of ROMs 121, 122, 123 and IDs. Each of the plurality of ROMs 121, 122, and 123 is provided with a selection drive 174 in the discriminating unit 170, and a parallel driving command corresponding to the discriminating key signal from the keypad 100 is used. It is withdrawn from the P / S conversion unit 130 is provided.

At this time, the ID discrimination unit 170 is driven based on the discrimination key signal provided from the keypad 100 (step 215), and a parallel driving command corresponding to the selection key signal extracted from the first ROM 121 is issued. The S / S converter 130 is converted into a series of driving commands and converted into an infrared signal through the converter 140, and then sent to the light receiving unit of the desired device through the light emitting unit 150 (step 220).

As described above, when the infrared signal corresponding to the discrimination key signal is transmitted from the light emitting unit 150 of the remote controller, the ID of the corresponding device stored in the ROM in the corresponding device is extracted and the ID of the corresponding device through the light emitting unit of the corresponding device. Infrared signal for is transmitted, and the infrared signal for the ID of the device transmitted from the light emitting unit of the corresponding device is received by the light receiving unit 160 of the remote control (step 225).

Then, the infrared signal for the ID of the device received by the light receiving unit 160 is decoded by the corresponding device ID through the decoder 172 and then provided to the selection unit 174 (step 230), and from the decoder 172 The matching table of the selection unit 174 is set based on the ID of the corresponding device to be provided, and the selection signal is generated to the plurality of ROMs 121, 122, and 123, where the match table is set. This means that the driving commands stored in the ROMs 121, 122, and 123 are matched with the IDs of the respective devices.

Based on the selection signal from the selection unit 174, a ROM corresponding to the selection signal is selected among the plurality of ROMs 121, 122, and 123 (step 235).

On the other hand, when all the infrared signals for the ID of the device are sent from the corresponding device, and the end signal is sent from the light emitting unit of the device, the end signal is received by the light receiving unit 160 of the remote controller and the ID discriminating unit 170 The drive is stopped (steps 240 and 245). In other words, power from the battery in the remote controller is not consumed by the ID discrimination unit 170.

Next, when the user presses a key for performing a desired function of the corresponding device (step 250), corresponding key signals are provided to the plurality of ROMs 121, 122, and 123, respectively, and are generated from the keypad 100. Parallel drive commands stored in the plurality of ROMs 121, 122, and 123 are respectively drawn out and provided to the P / S conversion unit 130 corresponding to the function key signal, which is selected from the selection unit 174. The parallel drive command selected by the selection signal, i.e., drawn out from the ROM in which the drive command of the device is stored, is selected and provided to the P / S converter 130 (step 255).

In addition, a parallel driving command provided from one ROM selected from the plurality of ROMs 121, 122, and 123 is converted into a serial driving command through the P / S conversion unit 130, and is converted into an infrared ray through the converter 140. The signal is converted into a signal and then sent to the light receiving unit of the corresponding device through the light emitting unit 150 (step 260), and the device performs a desired function based on the infrared signal transmitted from the remote controller (step 265).

As described above, when the user presses the determination key provided in the keypad 100, the ID determining unit 170 is driven and the ID of the corresponding device is extracted from the ROM in the corresponding device to the light receiving unit of the remote controller through the light emitting unit of the corresponding device. The ID of the device transmitted from the corresponding device is decoded by the decoder 172, and then each driving command stored in the plurality of ROMs 121, 122, and 123 and the ID of the corresponding device are selected. The ID discrimination unit 170 is stopped when the end signal is received from the light emitting unit of the corresponding device. Subsequently, when the user presses a function key provided on the keypad of the remote controller, the ROM of the corresponding device is selected from the plurality of ROMs 121, 122, and 123, and a parallel driving command is drawn from the selected ROM, and the P / S conversion unit is executed. In operation 130, the signal is converted into a serial driving command and then sent to the light receiving unit of the corresponding device through the converter 140 and the light emitting unit 150.

Therefore, according to the present invention, the ID discriminating unit 170 is driven while receiving the ID of the corresponding device, and the ID discriminating unit is based on the end signal transmitted after the ID of the corresponding device is transmitted from the light emitting unit of the corresponding device. Since the operation of the 170 is stopped, the infrared signal for the ID of the corresponding device transmitted from the corresponding device can be accurately received, and the power consumption of the remote controller battery generated by driving the ID discrimination unit 170 for a long time can be prevented. It has an effect.

Claims (1)

A method of driving a two-way remote control for receiving an ID of a corresponding device among a plurality of devices and transmitting an infrared signal for performing a function of a desired device among the plurality of devices, the identification key from the keypad of the remote control device. Is inputted, the ID discrimination means is driven and at the same time, a driving command corresponding to the discrimination key is extracted from any one of a plurality of memory elements, converted into a corresponding infrared signal, and then sent to the light receiving means of the corresponding device. First step to do; On the basis of the infrared signal transmitted from the remote controller in response to the discrimination signal, an infrared signal corresponding to the ID of the corresponding device transmitted from the light emitting means of the corresponding device is received and decoded, and then based on the ID of the corresponding device. Selecting a memory device corresponding to the corresponding device from among the plurality of memory devices, and stopping driving of the ID discriminating means when an end signal is sent from the light emitting means of the corresponding device; When a key corresponding to a desired function of the corresponding device is input from the keypad according to a user's manual operation, a corresponding driving command is extracted from the selected memory device among the plurality of memory devices and converted into a corresponding infrared signal. And a third step of transmitting the light to the light receiving means of the corresponding device.