KR0170150B1 - Bidirectional remote controller - Google Patents

Abstract

The present invention relates to a two-way remote controller, when a user presses the discrimination key provided in the keypad, a parallel driving command corresponding to the discrimination key signal is drawn from the first ROM and converted into a serial driving command through the P / S converter. Next, the IR signal is sent to the light receiving unit of the corresponding device through the converter and the light emitting unit, and the infrared signal of the ID of the corresponding device transmitted from the light emitting unit of the corresponding device is received by the light receiving unit of the remote controller. Decoded. Next, a selection signal is generated from the selection unit based on the ID of the corresponding device decoded by the decoder and the matching table to select a ROM in which a driving command of the corresponding device is stored among the plurality of ROMs. When a function key provided in the button is pressed, a parallel driving command drawn from a selected ROM among a plurality of ROMs is converted from a P / S conversion unit into a serial driving command and then sent to the light receiving unit of the corresponding device through a converter and a light emitting unit. By controlling the desired functions of a plurality of devices with the remote control of the, it is possible to reduce the production cost generated by making the remote control for each device separately or individually and to facilitate the user's convenience.

Description

2-way remote controller

1 is a schematic block diagram of a bidirectional remote controller according to a preferred embodiment of the present invention.

2 is a flowchart illustrating an operation of performing a function according to an ID of a desired device among a plurality of devices according to 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 determination unit 172: decoder

174: selection unit 180: timer

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote controller widely used in A / V (AUDIO / VIDEO) devices and office equipment, and more particularly, to a plurality of A / V devices or office equipment IDs. It relates to a two-way remote controller that allows you to control the operation of the desired device according to (IDENTIFICATION).

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.

However, it is not desirable to have a remote controller for each device as described above in terms of economics or manufacturing cost of the device, and such unnecessary waste elements must be solved in some form. In addition, there is a problem causing confusion and hassle for the user due to the use of multiple remote controls.

On the other hand, the remote controller provided in various devices transmits a control signal corresponding to a key signal by a user's manual operation as an infrared signal, wherein the ID of the remote controller included in the infrared signal matches the ID of the corresponding device, that is, Only when they are identical does the device perform the function corresponding to the infrared signal from the remote control.

Accordingly, the present invention has been devised in view of the above-described points, and stores a drive command for a plurality of devices in a plurality of ROMs, and then retrieves a drive command corresponding to a desired ID of the corresponding device among the plurality of devices. The purpose is to provide a two-way remote controller that can perform the function of the device.

In order to achieve the above object, the present invention provides a remote control that transmits an infrared signal for performing a function of a corresponding device to draw and drive a drive command corresponding to a key signal from a keypad from a ROM. A plurality of function keys for performing each function and a discrimination key for discriminating an ID of a desired device, and function key signals and discrimination keys corresponding to the respective function keys and the discrimination keys based on a user's manual operation A plurality of memory elements each having a parallel drive command corresponding to a key signal provided from the keypad for generating a signal, and then provided to a converting means, and each parallel driving command drawn out from the plurality of memory elements and provided; Parallel provided from one memory element corresponding to the selection signal provided from the ID discriminating means The converting means for converting the drive command into a serial drive command, a sending means for converting the serial drive command converted by the converting means into an infrared signal and then transmitting the desired command among the plurality of devices; A light receiving means for receiving an infrared signal for the ID of the corresponding device transmitted from the corresponding device, and driven based on a drive signal from a timer, the infrared signal for the ID of the corresponding device received through the light receiving means The ID discriminating means for determining the ID of the corresponding device based on the ID and generating the selection signal for selecting a ROM corresponding to the ID of the corresponding device among the plurality of memory elements, and the discrimination key from the keypad. The other generating the drive signal for driving the ID discriminating means for a predetermined time set based on the signal; It provides a two-way remote controller, characterized in that the e-mer.

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, a precondition for realizing the present invention is that a plurality of ROMs in the remote controller respectively store respective drive commands for a plurality of devices, and these drive commands may be additionally added due to a user's key input.

In addition, when an infrared signal corresponding to the discrimination key signal is sent from the remote controller to the corresponding device, the corresponding device extracts the ID of the corresponding device stored in the ROM in the corresponding device and transmits the corresponding infrared signal to the remote control unit through the light emitting unit. It should be sent out.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

FIG. 1 is a schematic block diagram of a bidirectional remote controller according to a preferred embodiment of the present invention. As can be seen with reference to the drawings, the bidirectional remote controller according to the present invention includes a keypad 100 and a plurality of ROMs 120. , P / S conversion unit 130, converter 140, light emitting unit 150, light receiving unit 160, ID discriminating unit 170, and timer 180.

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 corresponding to IDs of a plurality of devices, among which the first ROM 121 is a remote controller. Stores the drive command to perform the original function.

Here, the driving commands stored in the plurality of ROMs 120 are usually stored in parallel (PARALLEL).

Meanwhile, the plurality of ROMs 121, 122, and 123 respectively extract driving commands corresponding to the key signals from the keypad 100 and provide them to the P / S conversion unit 130. In this case, the P / S conversion unit ( Each driving command provided to the 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 drive command selected and provided from the plurality of ROMs 120 into a SERIAL drive command, and the converter 140 converts the P / S converter 130. ) Converts the serial drive command converted into an infrared signal, and the light emitting unit 150 transmits the infrared signal converted by the converter 140 to the light receiving unit of the corresponding device not shown.

On the other hand, in FIG. 1, the light receiving unit 160 receives an infrared signal for the ID of the corresponding device transmitted through the light emitting unit of the corresponding device, not shown, and the infrared signal for the ID of the corresponding device is transmitted from the remote controller. Based on the infrared signal corresponding to the discrimination key signal, the ID of the corresponding device stored in the ROM in the corresponding device is extracted and transmitted from the light emitting unit of the corresponding device (not shown).

Then, the ID discrimination unit 170 is based on a drive signal provided for a predetermined time set by the timer 180 described later, for example, 300 msec (in a remote control, a normal time of one data is 60 msec). It is driven and consists of a decoder 172 and a selector 174. At this time, the reason for driving the ID determining unit 170 for the predetermined time is to minimize the consumption of the battery.

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 selector 174 in the ID discrimination unit 170 stores a matching table for matching IDs of a plurality of devices with respective driving commands stored in the plurality of ROMs 121, 122, and 123, and in particular, Based on the ID of the corresponding device decoded by the decoder 172 and the matching table, a selection signal for selecting a ROM matching the ID of the corresponding device is generated from the plurality of ROMs 121, 122, and 123.

Here, the matching table is stored in a nonvolatile memory device provided in the selector 174, and the matching table stored in the nonvolatile memory device is erased from the keypad 100 by a user's manual operation. As long as there is no signal, it is not changed or erased, and a drive command of another device can be additionally added by user's manual operation.

Meanwhile, in FIG. 1, the timer 180 generates a driving signal for driving the ID discrimination unit 170 for a predetermined time, for example, 300 msec, set based on the selection key signal provided from the keypad 100. do.

An operation process 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 the discrimination key in the keypad 100 is pressed based on the 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 determination unit 170, and a parallel driving command corresponding to the determination key signal from the keypad 100 is the first ROM 121. It is withdrawn from the P / S conversion unit 130 is provided.

At this time, a driving signal for driving the ID discrimination unit 170 is generated for a predetermined time set by the timer 180 based on the determination key signal provided from the keypad 100, for example, 300 mse, and the timer 180 is generated. Based on the drive signal from the ID discrimination unit 170, the ID discrimination unit 170 is driven for a predetermined time (step 215).

Meanwhile, a parallel driving command corresponding to the selection key signal extracted from the first ROM 121 is converted into a serial driving command through the P / S converter 130 and converted into an infrared signal through the converter 140. Then, it is 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. The infrared signal for the transmitter is transmitted, and the infrared signal for the ID of the corresponding apparatus transmitted from the light emitting unit of the corresponding device is received by the light receiving unit 160 of the remote controller.

Then, the infrared signal for the ID of the corresponding device received by the light receiving unit 160 is decoded by the ID of the corresponding device through the decoder 172 and then provided to the selection unit 174 (step 230), and the decoder 172. The selection signal is generated from the selection unit 174 based on the ID of the device and the matching table provided from the device, and the selection signal is selected from among the plurality of ROMs 121, 122, and 123 based on the selection signal from the selection unit 174. The ROM corresponding to is selected (step 235).

Next, when the user presses a key for performing a desired function of the corresponding device (step 240), 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 drawn out and provided to the P / S conversion unit 130 corresponding to the key signals. The parallel drive command from the selected ROM is selected and provided to the P / S converter 130 (step 245).

In addition, a parallel driving command provided from a selected ROM among the plurality of ROMs 121, 122, and 123 is converted into a serial driving command through the P / S converter 130, and converted into an infrared signal through the converter 140. After the conversion, the light emitting unit 150 is sent to the light receiving unit of the corresponding device (step 250), and the device performs a desired function based on the infrared signal transmitted from the remote controller (step 255).

As described above, when the user presses the discrimination key provided in the keypad 100, a parallel driving command corresponding to the discrimination key signal is drawn from the first ROM 121, and the P / S conversion unit 130 performs a serial operation. After converted into a driving command and transmitted to the light receiving unit of the corresponding device through the converter 140 and the light emitting unit 150, the infrared signal for the ID of the corresponding device transmitted from the light emitting unit of the corresponding device to the light receiving unit 160 of the remote controller The received ID is then decoded by the decoder 172 in the ID discrimination unit 170. Next, a selection signal is generated from the selection unit 174 based on the ID and matching table of the corresponding device decoded by the decoder 172, and a driving command of the corresponding device is stored among the plurality of ROMs 121, 122, and 123. If a ROM is selected and the user presses a function key provided on the keypad of the remote controller, a parallel driving command is drawn from the selected ROM among the plurality of ROMs 121, 122, and 123 in the P / S conversion unit 130. It is converted into a series of driving commands and then sent to the light receiving unit of the corresponding device through the converter 140 and the light emitting unit 150.

Therefore, by using the present invention, since one device can control desired functions of a plurality of devices, it is possible to reduce production costs incurred by separately or individually manufacturing each remote device, and to facilitate user convenience. It can be effective.

Claims (3)

A remote controller for transmitting an infrared signal for performing a function of a corresponding device to draw and operate a driving command corresponding to a key signal from the keypad 100 from a ROM, the plurality of devices for performing each function of a plurality of devices. The keypad for generating the respective function key signals and the discrimination key signals corresponding to the respective function keys and the discrimination key on the basis of a manual operation of a user, comprising a plurality of function keys and a discrimination key for discriminating an ID of a desired device. 100; Each of the plurality of memory devices 120 stores driving commands for the plurality of devices, and extracts the driving commands in parallel corresponding to the key signals provided from the keypad 100 and then provides them to the converting means 130. ; The parallel drive command provided from one memory device corresponding to the selection signal provided from the ID discrimination means 170 among the parallel drive commands drawn out from the plurality of memory devices 120 is provided in series. Conversion means (130) for converting the data into an input; Transmission means (140, 150) for converting the serial drive command converted by the conversion means (130) into an infrared signal and then transmitting the desired device among the plurality of devices; Light-receiving means (160) for receiving an infrared signal for the ID of the corresponding device transmitted from the corresponding device; The ID of the corresponding device is determined based on an infrared signal corresponding to the ID of the corresponding device received based on the driving signal from the timer 180, and received through the light receiving means 160. The ID discrimination means (170) for generating the selection signal for selecting a ROM corresponding to the ID of the corresponding device among the 120; And the timer (180) for generating the drive signal for driving the ID discrimination means (170) for a predetermined time set based on the discrimination key signal from the keypad (100). The bidirectional remote controller of claim 1, wherein any one of the plurality of memory devices stores a driving command for performing an original function of the remote controller. The method of claim 1, wherein the ID discriminating means; A decode for decoding the infrared signal corresponding to the ID of the corresponding device into the ID of the corresponding device through the light receiving means; And selection means for generating the selection signal for selecting a memory element matched therewith among the plurality of memory elements based on the ID of the corresponding device decoded in the decode.