KR19990049235A - Remote control transceiver and method that can transmit left and right information - Google Patents

Abstract

The present invention relates to a remote control transceiver and a method capable of transmitting left and right information, in the prior art there is a hassle to operate the product only by pressing the increase (+) or decrease (-) key to increase or decrease the function, In addition, by accurately pressing the (+) or (-) key to select, there is a problem that causes a malfunction when the input of another key due to the user's mistake.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, the direction of the direction by the means for detecting the direction of the remote control transmitter to the receiving side when transmitting the direction information directed from side to side at the transmitting side By providing different devices and methods for different operations, the volume and channel are increased and decreased when the volume or channel key is pressed to the right or left without the need to press the key several times for volume control and channel selection. In addition, the user can drag a menu to provide a GUI (Graphic User Interface) to the multimedia product, and to implement a wireless mouse function that can transmit up, down, left and right information by combining with a PC mouse. There is a repelling effect.

Description

Remote control transceiver and method that can transmit left and right information

The present invention relates to a remote control transceiver and a method capable of transmitting left and right information, and more particularly, to a remote control device comprising: means for detecting a directing direction of the remote control transmitter at a receiving side when transmitting direction information directed from side to side at a transmitting side; The present invention relates to a remote control transceiver and a method capable of transmitting left and right information according to the directing direction.

A conventional home appliance remote control transmitter such as a TV and a VCR simply transmits a code signal of a key pressed by a user. FIG. 1 is a block diagram showing a configuration of a conventional remote control transmitter. As described above, when one key in the key array is pressed, the key matrix unit 100 detects this and transmits the pressed key value to the code generator 200, and the code generator 200 corresponds to the pressed key. Make a code signal to transmit to the modulation / amplification unit 300, this signal is modulated to be transmitted in the form of light from the modulation / amplification unit 300, and amplified by the infrared light emitting LED (LED) to the signal of the light Transmit to the remote control receiver.

2 is a block diagram illustrating a conventional remote control receiver. As shown in FIG. 2, an infrared signal transmitted from a remote control transmitter is received by the infrared receiver 400 and converted into an electrical signal, which converts the amplifier 500 into an electrical signal. After passing through the band pass filter 600 to pass only the frequency band modulated by the remote control transmitter, the signal output from the band pass filter 600 is input to the demodulator 700, the demodulator 700 is The demodulated signal is demodulated to obtain an original key code value and transmitted to the microcomputer 800. The microcomputer 800 controls the product according to the received key code value.

As described above, in the related art, it is troublesome to operate the product only by pressing the increase (+) or decrease (-) key to increase or decrease the function, and also select the increase (+) or decrease (-) key correctly. By pressing it, there was a problem that caused a malfunction when the input of another key due to a user mistake.

Therefore, the present invention was devised to solve the above-mentioned problems. When the direction information is transmitted from the transmitting side to the right and left, there is a means for detecting the directing direction of the remote control transmitter on the receiving side. It is an object of the present invention to provide an apparatus and method for performing different operations according to.

1 is a block diagram showing the configuration of a conventional remote control transmitter.

Figure 2 is a block diagram showing the configuration of a conventional remote control receiver.

Figure 3 is a block diagram showing an embodiment of the configuration of a remote control transmitter capable of transmitting left and right information of the present invention.

Figure 4 is a block diagram showing an embodiment of the configuration of a remote control receiver capable of transmitting the left and right information of the present invention.

Figure 5 is a block diagram showing another embodiment of the configuration of a remote control transmitter capable of transmitting left and right information of the present invention.

Figure 6 is a block diagram showing another embodiment of the configuration of a remote control receiver capable of transmitting left and right information of the present invention.

Figure 7 is a block diagram showing the operation of the present invention.

8 is an operational flowchart of FIGS. 3 and 4;

9 is an operational flowchart of FIG. 5;

*** Description of the symbols for the main parts of the drawings ***

100, 101: key matrix unit 200: code generation unit

300 to 303, 305: modulation / amplifying part 304, 306: infrared transmitting part

400 to 402: infrared receiver 500 to 504: amplifier

600 to 606: bandpass filter 700 to 704: demodulation unit

800 to 802: microcomputer 900: comparison unit

910: Adder LED to LED3: Light emitting LED

LED4 to LED7: Light receiving LED

In order to achieve the above object, a configuration of a remote control transceiver capable of transmitting left and right information according to the present invention includes a key matrix unit for inputting a key by key arrangement, and a code corresponding to a key input from the key matrix unit. A plurality of code generators, a plurality of modulators / amplifiers for modulating and amplifying at different frequencies to transmit codes generated by the code generators, and a plurality of infrared light emitting signals modulated by the plurality of modulators / amplifiers A remote control transmitter comprising an infrared transmitter for transmitting in the infrared form through the LED; An infrared receiver for receiving an infrared signal transmitted using an infrared light receiving LED, an amplifier for amplifying the signal received from the infrared receiver, and a plurality of bands for detecting signals of different frequencies in the signal amplified by the amplifier A demodulator for obtaining a code signal from the signals detected by the plurality of bandpass filters, a comparator for generating direction information by comparing the outputs of the plurality of bandpass filters, and an input from the demodulator And a remote control receiver composed of a microcomputer for determining and controlling a control command and a direction based on the code signal and the direction signal output from the comparison unit.

In another configuration, a key matrix unit for inputting a key by key arrangement, a code generator for generating a code corresponding to a key input by the key matrix unit, and a code generated by the code generator A remote control transmitter comprising a modulation / amplification unit for modulating and amplifying by using a modulation amplification unit, and an infrared transmitting unit for transmitting a signal modulated by the modulation / amplifying unit in an infrared form through an infrared light emitting LED; An infrared receiver for receiving infrared signals transmitted using a plurality of infrared light receiving LEDs, a plurality of amplifiers for amplifying the signals received from the infrared receivers, and signals of different frequencies in the signals amplified by the plurality of amplifiers, respectively. An adder which adds a plurality of bandpass filters for detecting a signal, and adds the plurality of bandpass filter output signals to generate a transmission signal; A demodulator for obtaining a code signal from the signal detected by the adder, a comparator for generating direction information by comparing the plurality of bandpass filter outputs, a code signal input from the demodulator and the comparator It characterized in that it comprises a remote control receiver composed of a microcomputer for controlling the control command and the direction based on the direction signal output from the.

In addition, the method includes: a direction signal determination step of determining a directing direction of the remote controller by the direction signal input from the comparing unit; A key code input step of receiving a transmission signal from a demodulator; An increase / decrease key checking step of receiving the signal code input in the step and determining whether the code is a signal for controlling the increase / decrease; When a key for increasing or decreasing is inputted, the increasing / decreasing function is performed, and if it is not a key for increasing or decreasing, a function performing step of performing a menu function is characterized.

In another method, the direction signal determination step of determining the directing direction of the remote control by the direction signal input from the comparator; An input selection step of determining an orientation direction and then selecting an input suitable for the orientation; A key code input step of receiving a transmission signal from a demodulator; An increase / decrease key checking step of receiving the signal code input in the step and determining whether the code is a signal for controlling the increase / decrease; When a key for increasing or decreasing is inputted, the increasing / decreasing function is performed, and if it is not a key for increasing or decreasing, a function performing step of performing a menu function is characterized.

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

Figure 3 is a block diagram showing an embodiment of the configuration of the remote control transmitter capable of transmitting the left and right information of the present invention, Figure 4 is a block diagram showing an embodiment of the configuration of the remote control receiver capable of transmitting the left and right information of the present invention. As described above, a key matrix unit 101 for inputting a key by key arrangement, a code generator 200 for generating a code corresponding to a key input from the key matrix unit 101, and the code generator ( First, second and third modulation / amplification units 301 to 303 for modulating and amplifying at different frequencies to transmit the code generated at 200, and the first, second and third modulation / amplification units 301 to 303. A remote control transmitter comprising an infrared transmitter 304 for transmitting the modulated signal in the infrared form through the first, second and third infrared light emitting LEDs LED1 to LED3; An infrared receiver 401 for receiving an infrared signal transmitted using an infrared light receiving LED (LED4), an amplifier 501 for amplifying a signal received from the infrared receiver 401, and the amplifier 501 First, second and third bandpass filters 601 to 603 for detecting signals f1, f2 and f3 of different frequencies in the amplified signal, and the first, second and third bandpass filters 601 to 603. Generating direction information by comparing the first, second and third demodulators 701 to 703 and the output of the first, second and third bandpass filters 601 to 603 for obtaining a code signal from the signal detected by Control command and direction are determined based on the code signal input from the comparator 900 and the code signals input from the first, second and third demodulators 701 to 703 and the direction signal output from the comparator 900. It consists of a remote control receiver composed of a microcomputer (801).

Figure 5 is a block diagram showing another embodiment of the configuration of the remote control transmitter capable of transmitting left and right information of the present invention, Figure 6 is a block diagram showing another embodiment of the configuration of the remote control receiver capable of transmitting left and right information of the present invention, As shown therein, a key matrix unit 101 for inputting a key by key arrangement, a code generator 200 for generating a code corresponding to a key input from the key matrix unit 101, and Transmitting the modulated / amplified unit 305 for modulating and amplifying the code generated by the code generator 200 and the amplified signal through the infrared light emitting LED. A remote control transmitter configured with an infrared transmitter 306 for the control unit; An infrared receiver 402 for receiving infrared signals transmitted using the first, second, and third infrared light receiving LEDs LED5 to LED7, and first, second, and amplifying signals received from the infrared receiver 402, respectively; First, second and third bandpass filters 604 to 606 which detect signals of different frequencies from the signals amplified by the three amplifying units 502 to 504 and the first, second and third amplifying units 502 to 504, respectively. And an adder 910 for generating a transmission signal by summing the output signals of the first, second, and third band pass filters 604 to 606, and obtaining a code signal from the signal detected by the adder 910. A code input from the demodulator 704 and the comparator 900 for generating direction information by comparing the outputs of the first, second and third band pass filters 604 to 606. The number of remote controllers composed of a microcomputer 802 for determining and controlling a control command and a direction based on a signal and a direction signal output from the comparison unit 900. We consist of wearing.

Referring to the operation and effect of the embodiment according to the present invention configured as described above are as follows.

FIG. 7 is a block diagram showing the operation of the present invention. FIG. 8 is a flowchart illustrating operations of FIGS. 3 and 4. As shown in FIG. 3, the code generator 200 in FIG. 3 represents a code corresponding to an input key value. Generated and then modulated and amplified by three different modulation frequencies f1, f2, and f3 for one key code in the first, second, and third modulation / amplification units 301 to 303, respectively. The first, second, and third infrared ray emitting LEDs (LED1, LED2, LED3) are transmitted to the LEDs, and as shown in (B) of FIG. It is directed to the infrared light receiving LED (LED4) of the receiver, and the signal transmitted from the second infrared light emitting LED (LED2) is best transmitted to the infrared light receiving LED (LED4), thereby out of three bandpass filters (601 to 603). The output of the second bandpass filter 602 becomes large, similarly to (C) or (D). When the remote control transmitter is tilted left or right, the first or third infrared light emitting LEDs LED1 or LED3 are directed to the infrared light receiving LED LED4 of the remote control receiver, respectively, so that the first or third bandpass filter 601 or 603 is the largest output.

When the signal received by the infrared receiver 401 of the remote control receiver is amplified by the amplifier 501 and outputted, the first, second and third demodulators 701 through the first, second and third band pass filters 601 to 603. , 702, 703 and the comparator 900, the comparator 900 is a two-bit digital signal which is the largest of the input signal of the first, second, third bandpass filters (601 to 603) For example, if the signal input from the first bandpass filter 601 is the largest, '00' is output. If the second bandpass filter 602 or the third bandpass filter 603 is the largest, '01' is output. It outputs' or '10', which is to prevent an error from occurring when processing a weak signal when there are a plurality of demodulators. When this output is input to the microcomputer 801, the direction signal is checked. If direction signal is '00', input 1 is selected, if direction signal is '01', input 2 is selected, and direction signal is '10' If the direction signal is '00', since the directing direction of the remote control transmitter is left, a first key of three key codes input from the first, second, and third demodulators 701, 702, and 703 is selected. When the signal of the demodulator 701 is selected and the direction signal is '01' or '10', the signal of the second demodulator 702 or the third demodulator 703 is selected, and '00' or '10' If is selected, the volume / channel key is increased or decreased. If '01' is selected, the menu function is executed unless the increase / decrease key is selected.

Therefore, if the channel or volume key is pressed and directed in the left direction, the reduction (-) function can be performed, and if the direction is directed in the right direction, the increase (+) function can be performed. Indicates.

FIG. 9 is an operation flowchart of FIG. 5. As shown in FIG. 5, the code generator 200 generates a code corresponding to an input key value, and in the form of light in the modulator / amplifier 305. Modulated to be transmitted, amplified and transmitted to the remote control receiver as a signal of light through the infrared light emitting LED (LED) of the infrared transmitter 306, and (e), (bar), (g) and 6 of FIG. The first, second, and third infrared light receiving LEDs (LED5, LED6, and LED7) arranged together are received, and when directed toward the center as shown in (e) of FIG. 7, the second infrared light receiving LED (LED6) best signals. Since it is acceptable, the output of the second bandpass filter 605 is the largest among the three bandpass filters 604 to 606, and similarly, when it is directed to the left as shown in FIG. When the output of the filter 604 is the largest and is directed to the right as shown in Fig. 7, The larger the output of the pass filter 606.

When the signals received by the infrared receiver 401 of the remote controller receiver are amplified and output by the first, second and third amplifiers 502 to 504, the adder is added through the first, second and third bandpass filters 604 to 606. 910 and the comparator 900, the adder 910 transmits the sum of the outputs of the first, second, and third bandpass filters 604 to 606 to the demodulator 704. As described above, the comparison unit 900 selects '00' if the signal input from the first bandpass filter 604 is the largest among the input signals of the first, second and third bandpass filters 601 to 603. And outputs '01' or '10' when the second bandpass filter 605 or the third bandpass filter 606 is the largest, and when the output is input to the microcomputer 802, the direction signal is examined. If the direction signal is '00', the volume / channel key decreases (-). If the direction signal is '10', the volume / channel keys increases (+). If the direction signal is '01',As terminated, and executes the increase and decrease key function menu is not an emergency volume / channel key. In this case, since an input is input from one demodulator 704, there is no need to select an input.

As described above, the remote control transceiver and the method for transmitting the left and right information according to the present invention do not need to press the key several times for volume control and channel selection, and then press the volume or channel key to the right or left to increase or decrease the volume and channel. It is easy to use and can also drag menus, so it can provide a Graphic User Interface (GUI) to multimedia products, and it can be combined with PC's mouse to transmit up, down, left and right information. The effect is that the implementation of the function becomes possible.

Claims (6)

A key matrix unit for inputting a key by a key arrangement, a code generator for generating a code corresponding to a key input from the key matrix unit, and a code frequency generated by the code generator at different frequencies. A remote control transmitter comprising a plurality of modulation / amplification units for modulating and amplifying, and an infrared transmitter for transmitting signals modulated by the plurality of modulation / amplifying units in the form of infrared rays through a plurality of infrared light emitting LEDs; An infrared receiver for receiving an infrared signal transmitted using an infrared light receiving LED, an amplifier for amplifying the signal received from the infrared receiver, and a plurality of bands for detecting signals of different frequencies in the signal amplified by the amplifier A demodulator for obtaining a code signal from the signals detected by the plurality of bandpass filters, a comparator for generating direction information by comparing the outputs of the plurality of bandpass filters, and an input from the demodulator Remote control transceiver capable of transmitting left and right information, characterized in that consisting of a remote control receiver consisting of a microcomputer for controlling and determining the control command and direction based on the code signal and the direction signal output from the comparison unit. A key matrix for inputting a key by a key arrangement, a code generator for generating a code corresponding to a key input from the key matrix, and a modulation amplifier for transmitting a code generated by the code generator A remote control transmitter comprising a modulator / amplifier for modulating and amplifying the signal, and an infrared transmitter for transmitting a signal modulated by the modulator / amplifier in an infrared form through an infrared light emitting LED; An infrared receiver for receiving infrared signals transmitted using a plurality of infrared light receiving LEDs, a plurality of amplifiers for amplifying the signals received from the infrared receivers, and signals of different frequencies in the signals amplified by the plurality of amplifiers, respectively. A plurality of bandpass filters for detecting a signal, an adder for generating a transmission signal by adding the plurality of bandpass filter output signals, a demodulator for obtaining a code signal from the signal detected by the adder, and the plurality of bandpass filters; A comparison unit for generating direction information by comparing two bandpass filter outputs, and a microcomputer for determining and controlling a control command and direction based on a code signal input from the demodulation unit and a direction signal output from the comparison unit. Remote control capable of transmitting left and right information, characterized in that consisting of a remote control receiving unit Transceiver. A direction signal determining step of determining a directing direction of the remote controller by the direction signal input from the comparing unit; A key code input step of receiving a transmission signal from a demodulator; An increase / decrease key checking step of receiving the signal code input in the step and determining whether the code is a signal for controlling the increase / decrease; Remote control transmission and reception method that is capable of transmitting the left and right information, characterized in that if the key for increasing or decreasing is performed, the increase and decrease function, and if not the key for increasing and performing the function of performing a menu function. The left and right information transmission according to claim 3, wherein the performing of the function comprises performing the next step without controlling the increase or decrease for the central input signal, and performing a menu function if the increase or decrease is not performed. This remote control transmission and reception method. A direction signal determining step of determining a directing direction of the remote controller by the direction signal input from the comparing unit; An input selection step of determining an orientation direction and then selecting an input suitable for the orientation; A key code input step of receiving a transmission signal from a demodulator; An increase / decrease key checking step of receiving the signal code input in the step and determining whether the code is a signal for controlling the increase / decrease; Remote control transmission and reception method that is capable of transmitting the left and right information, characterized in that if the key for increasing or decreasing is performed, the increase and decrease function, and if not the key for increasing and performing the function of performing a menu function. The left and right information transmission according to claim 5, wherein the performing of the function comprises performing a next step without controlling the increase or decrease for the central input signal, and performing a menu function if the increase or decrease is not performed. This remote control transmission and reception method.