KR19990019486U - Remote control system using personal computer - Google Patents

Abstract

The present invention relates to a remote control system using a personal computer. In the conventional case, since a transmission / reception data format of a remote controller for controlling an electronic product is different for each electronic product and a manufacturer, a single remote control system is used for various electronic products. There was a problem that can not be integrated control.

The present invention outputs a control signal to drive various programs by receiving a key input unit 40 for receiving various key data information from the user and various key data from the key input unit 40 to solve the above problems. In the computer system 43 having a microprocessor 41 and a timer 42 for determining the driving time of various programs, the microprocessor 41 receives a remote control drive signal from the key input unit 40. A remote control program memory unit 44 for providing a remote control drive program under the control of the controller, an e-pyrom 45 for extracting a transmission data format required for driving the remote control drive program, and a control signal of the microprocessor 41. Is applied to transmit the optical signal by receiving the output LSI (47) for driving the light emitting unit 46 and the output signal of the transmission LSI (47) The light emitting unit 46 having an external light emitting diode, a remote control light receiving unit 50 for receiving an optical signal transmitted from the light emitting unit 46, and received light data from the light receiving unit 50 are first received. After confirming whether or not the transmission data format matches the reception data format stored in the memory unit 51, if it matches, the data code is checked to drive the drive unit 53 of various electronic product systems 52 such as TV receiver, VSI, and the like. It is characterized by including the microcomputer 54 to control.

Description

Remote control system using personal computer

The present invention relates to a remote control system using a personal computer. In particular, a personal computer system includes a remote control transmission LSI and a light emitting unit separately for remote control transmission to conveniently and conveniently control various electronic products such as TV and VSI. I would have to.

Various home appliances and electronic products such as TV receivers, VSIs, audio devices, refrigerators, fans, air conditioners, etc. have a general-purpose remote control system using infrared rays and a light receiving element so that the main body can be remotely controlled. The system consists of a remote control transmitter for transmitting control information and a remote control receiver installed on the device side to receive control information.

For example, the transmission and reception system of such a remote control transmitter has shown an example as shown in FIG. 1.

Here, the front panel of the remote control transmitter main body 1 is provided with a display panel 2 and various button units 3, and a reception LED 5 on the set 4 side that responds to and receives a signal transmitting LED of the remote control main body 1. )

In addition, the circuit block diagram of the system shows this as shown in FIG.

That is, the remote control transmission circuit 20 includes a transmission control IC 22 dedicated to remote control transmission, a key input unit 23 connected to an input side of the transmission control IC 22, and a light emitting diode for transmission. 21) and the like, and the remote controller receiving circuit 30 includes a light receiving diode 31, a signal amplifier 32, a detection circuit 33, a waveform shaping circuit 34, and the like. The output is in the form provided to the microcomputer of the set main body side of a system apparatus.

In such a conventional remote control system, the wireless remote control operation of the remote controller main body in which the remote control receiver circuit 30 is mounted receives the control information transmitted through the transmission circuit 20 of the remote controller transmitter from the remote control receiver circuit 30. Various control operations of the set main body were performed.

In addition, the waveforms of the key code and the transmission format transmitted from the remote control transmitter in the above system are shown in FIGS. 3 and 4.

That is, the type of the code transmitted from the remote control transmitter is shown in FIG. 3, and the type of the transmission code is one of A to F.

Codes can be represented by combining the components of the transmission codes of A to F, and FIG. 4 shows the specific state of these codes, which is a burst, an idle period, and the number of pulses configured for one code. The data obtained by digitizing the data and the data according to the order of occurrence are separated and reproduced.

In addition, the size of memory required to store a single code is 6 kinds of component memories, and assuming that 6 bytes (48 bits) are used for each, 65,535 numbers can be handled, and 3 bits are required for each component source memory. The combination of 36 bursts and dormant periods, including one code being transmitted, is 108 bits.

In the case of the code as shown in FIG. 4, the repetition part is 216 ms, which is the minimum information to be stored.

And, the main body having the conventional remote control receiving circuit 30 is transmitted to the main body through the remote control receiving circuit 30, the control information generated when a specific key is pressed in the key portion 23 of the remote control transmitting circuit 20 The main body is to perform a predetermined control operation, and the control information is different depending on the characteristics of the main body (Tive receiver, VSI system, air conditioner, microwave oven, etc.), and varies according to the type of the remote control system itself used. It was in form.

In particular, the process of transmitting a predetermined optical signal from the transmitting circuit 20 to the receiving circuit 30 will be described below.

That is, when a user inputs a function key of the key input unit, the transmission control IC (IC) 22 receives an input signal and operates a driving transistor for driving the transmission light emitting diode 21 with a control signal corresponding to the function. do.

Accordingly, the transmitting light emitting diode 31 emits light.

However, in the conventional case, since the transmission / reception data format of the remote controller for remotely controlling the electronic products is different for each electronic product and a manufacturer, there is a problem in that various electronic products cannot be integrally controlled using a single remote control system.

An object of the present invention to solve the above problems is to provide a personal computer system separately equipped with a remote control transmission LSI and a light emitting unit for remote control transmission to conveniently and conveniently control various electronic products such as TV, VSI. To provide a remote control system using a personal computer.

In order to achieve the above object, the present invention provides a remote control program memory unit for providing a remote control drive program under the control of the microprocessor which receives a remote control drive signal from a key input unit of a computer system, and when the remote control drive program is driven, A light emitting unit having an e-pyrom for extracting a transmission data format, a transmitting LSI for driving a light emitting unit by receiving a control signal of the microprocessor, and an infrared light emitting diode for receiving an output signal of the transmitting LSI and transmitting an optical signal And an electronics-side light receiving unit that receives the optical signal transmitted from the light emitting unit, and receives the light receiving data from the light receiving unit, first checks whether the transmission data format matches the received data format stored in the memory unit, and then matches the data code. Check your TV set, bro It characterized in that it comprises a sialic, audio equipment, a refrigerator, a fan, such as a microcomputer for controlling the driving of the various electronics systems such as air conditioning.

1 is a reference diagram showing a conventional remote control transmitter and a remote control receiver on the VSI set side;

2 is a circuit block diagram of a conventional remote control transceiver system;

3 is a reference diagram of remote control transmission data related to FIG. 2;

4 is a reference diagram more specifically illustrating a remote control transmission code associated with FIG. 2;

5 is a system block diagram according to the present invention.

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

40: key input section 41: microprocessor

42: timer 43: computer system

44: remote control drive program memory 45: Y pyrom

46: light emitting portion 47: transmission LSI

50: light receiver 51: memory

52: electronic system 53: drive unit

54: microcomputer

Referring to the configuration and processing of the present invention with reference to the accompanying drawings as follows.

First, Figure 5 is a circuit block diagram showing a remote control system using a computer according to the present invention.

That is, the present invention provides a key input unit 40 for receiving various key data information from a user, and a microprocessor 41 for receiving various key data from the key input unit 40 and outputting control signals to drive various programs. And a timer (42) for determining the driving time of various programs,

A remote control program memory unit 44 which provides a remote control drive program under the control of the microprocessor 41 receiving the remote control drive signal from the key input unit 40, and a transmission data format required for the remote control drive program when the remote control drive program is driven; An output signal of the LPI 47 and the LSI 47 for driving the light emitting unit 46 by receiving a control signal of the microprocessor 41 and a control signal from the microprocessor 41. A light emitting unit 46 having an infrared light emitting diode that receives and transmits an optical signal, a remote control light receiving unit 50 that receives the optical signal transmitted from the light emitting unit 46, and the light receiving unit 50 After receiving the received data, first check whether the transmission data format matches the received data format stored in the memory unit 51 and if it matches, check the data code. And a microcomputer 54 for controlling the drive unit 53 of various electronic product systems 52 such as ISI, audio equipment, and the like.

Referring to the operation of the present invention having the above configuration in more detail as follows.

First, the microprocessor 41 for controlling the personal computer system is always in the standby state while periodically checking the time through the timer 42. At this time, when the user selects the remote control key through the key input unit 40, the microprocessor 41 The microprocessor 41 checks the key input state, determines the corresponding key data information, generates a control pulse according to the determination result, and primarily sends a control signal to the remote control drive program memory unit 44.

Accordingly, the remote control drive program memory unit 44 receiving the control signal from the microprocessor 41 drives the remote control drive program after withdrawing the program.

At the same time, the microprocessor 41 transmits a control signal to the Y pyrom 45, and thus the remote control transmission data format is extracted from the Y pyrom 45. FIG.

In particular, the EPI rom 45 includes remote controller key data information and transmission data formats of electronic products controlled by the remote controller, and correspondingly, remote controller reception data formats are mounted in the memory unit of the electronic products.

When the remote control drive program is driven through the above process, the microprocessor 41 sends a control signal to the transmission LSI 47 by the processing of the program, and thus the transmission LSI 47 is operated.

That is, the LSI 47 for transmission comprising the timing generation circuit, the modulation circuit, the oscillation circuit, and the like, in which an input signal applied from the key input unit 40 is transmitted to the remote control light receiving unit 50 side of various electronic products. After signal processing, the signal is converted to a predetermined output voltage and sent to the light emitting unit 46.

As described above, when the output voltage is applied to the transistor base terminal of the light emitting unit 46, the transistor is turned on and the infrared light emitting diode is emitted accordingly. The light receiving unit 50 of various electronic products 52 such as a device, a refrigerator, a fan, and an air conditioner is received.

On the other hand, when a predetermined optical signal is received by the light receiving diode of the light receiving unit 50 of the electronic product system 52 side, the electronic computer side microcomputer 54 extracts the received data format stored in the memory unit 51 and transmits the received data format. After determining whether or not it matches the transmission data format, if it matches, the control signal is sent to the corresponding drive unit 53 according to the received data information, and accordingly, the corresponding drive unit 53 of the electronic product system 52 is operated.

The present invention as described above is provided with a separate remote control transmission LSI 47 and a light emitting unit 46 for a remote control transmission in a personal computer system to conveniently and conveniently control various electronic products such as TV receiver, VSI. I would have to.

Claims (1)

A key input unit 40 for receiving various key data information from a user, a microprocessor 41 for receiving various key data from the key input unit 40, and outputting a control signal to drive various programs; In a computer system 43 having a timer 42 for determining driving time, etc., a remote controller for providing a remote controller driving program under the control of the microprocessor 41 receiving a remote controller driving signal from the key input unit 40. A program memory unit 44, an e-pyrom 45 which extracts a transmission data format required for driving the remote controller driving program, and a control signal of the microprocessor 41 to drive the light emitting unit 46; A light emitting unit 46 having an LSI 47 for transmission, an infrared light emitting diode for transmitting an optical signal by receiving an output signal of the LSI 47 for transmission, and An electronics-side light receiving unit 50 for receiving the optical signal transmitted from the unit 46, and receiving data format from the light receiving unit 50, the transmission data format is first stored in the memory unit 51. And a microcomputer 54 for controlling the drive unit 53 of various electronic product systems 52 such as TV receiver, VSI, etc. Remote control system.