JPH0937104A - Remote control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remotely control a video unit and other related video equipment by separately providing the video unit and a display part and operating a command toward the display part. SOLUTION: A separate video display device is formed by separately providing a video unit 5 for performing reception processing, etc., and a display part 1 for displaying video signals. Then, a reception part receives a remote control signal provided on the display part 1, detects that signal and converts it to a code signal. A multicore cable 15 connects the video unit 5 and the display part 1 and transmits the code signal. A distributor 6 is provided at the video unit 5 and distributes the transmitted code signal. A control part 7 controls the respective parts of the video unit 5 corresponding to one code signal distributed by the distributor. A retransmission unit 16 retransmits the other code signal as a remote control signal and controls the other video equipment such as a VTR 19. Thus, various kinds of related video equipment can be used by remote control.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video unit for performing signal processing such as reception processing on a video signal input, and a display unit provided separately from the video unit for displaying a video signal from the video unit. The present invention relates to a remote control system for operating a separate type image display device including a remote control device.

[0002]

2. Description of the Related Art Along with an increase in the size of a display screen for displaying a video signal, or when it is of a wall-mounted type, a separate type image display device in which the display screen and a video unit for receiving and processing the video signal are separated from each other is used. However, in such a case, the video unit is usually stored in a rack together with other related video equipment (VTR, etc.) and placed in a corner of an unobtrusive room. ing. Even in such a case, it is common practice to operate the commander that transmits the remote control signal toward the screen section, and the video unit and other related video equipment can be used as a commander from the position where the screen image is viewed. If it is placed in a place where it can be operated, it can be operated by changing the direction of the commander, but in a special place,
For example, when it is installed behind a storage cabinet or furniture, it is necessary to move it to a position where it can be operated by the commander, and it takes time and effort. It was requested to configure. Further, when constructing a remote control system for these image display devices and related video equipment (VTR etc.), it is necessary to provide versatility so that various related video equipment (VTR etc.) can be used. It was desired to have a connection method.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and is a separate type image in which a display unit is provided separately from a video unit that processes a video signal. For the display device, the commander can control the video unit and other related video equipment by operating it toward the display unit as usual.
It is an object of the present invention to provide a connection-type remote control system having versatility so that various types of related video equipment (VTR etc.) can be used.

[0004]

A remote control system according to a first aspect of the present invention includes a video unit for performing signal processing such as reception processing on a video signal input, and a video unit provided separately from the video unit. In a separate type image display device comprising a display unit for displaying a video signal from a display unit, a receiving unit for receiving a remote control signal provided in the display unit, detecting the remote control signal, and converting the signal into a code signal, the video unit and the display unit. A signal line for connecting the unit and transmitting the code signal, a distributor provided in the video unit for distributing the code signal transmitted through the signal line, and one of the distributors distributed by the distributor. A control unit that controls each unit of the video unit by a code signal, and retransmits the other code signal distributed by the distributor as a remote control signal,
It is composed of a re-transmission unit for remote-controlling other video equipment such as a VTR.

In the remote control system of the second invention of the present application, the signal line is a multi-core cable, and the video signal processed by the video unit by the multi-core cable is transmitted to the display unit and the reception is performed. The remote control signal converted into the code signal by the unit is transmitted to the distributor separately from the video signal. In the remote control system of the third invention of the present application, the re-transmission unit includes a modulator that modulates a carrier wave of a predetermined frequency with an input code signal, and a transmitter that transmits the signal modulated by the modulator. It is a thing. In a remote control system according to a fourth aspect of the present invention, the video unit includes a plurality of video signal processing circuits for receiving and processing a video signal input, code signals of a remote controller, and control data for controlling the circuits corresponding to the code signals. And a control section for reading control data corresponding to the remote control code signal input through the distributor from the data storage section and controlling a predetermined video signal processing circuit. Is.

[0006]

In the first and second inventions of the present application, a multicore is provided between a video unit for performing signal processing such as reception processing on a video signal input, and a display section provided separately from the video unit. Connected by a signal line composed of a cable, and the video signal processed by the video unit is transmitted to the display unit by a multi-core cable. The display unit has a receiving unit that receives the remote control signal, detects it, and converts it into a code signal.The code signal from the receiving unit is distributed to the video unit separately from the video signal by the multicore cable. To the transmitter, the code signal is distributed by the distributor, each part of the video unit is controlled by one of the distributed code signals, and the other distributed code signal is input to the retransmit unit to retransmit the retransmit unit. Remote control of other video equipment such as VTR. Therefore, the commander can control the video unit and other related video equipment by operating it toward the display unit as usual, and various kinds of related video equipment (VTR, etc.) can be used. It is possible to adopt a remote control signal supply method that has versatility.

According to a third invention of the present application, in the first invention of the present application, a modulator for modulating a carrier wave having a predetermined frequency with an input code signal, and a transmitter for transmitting the signal modulated by the modulator. The re-transmission unit is composed of
Since the remote control signal from the retransmitting unit is received by the receiving section provided in the related video equipment (VTR, etc.), the remote control signal can be operated, and the remote control signal supply system has versatility. Various types can be used as related video equipment. According to a fourth invention of the present application, in the first and second inventions of the present application, a plurality of video signal processing circuits for receiving and processing a video signal input, each code signal of the remote controller, and controlling the circuit corresponding to the code signals. A video unit including a data storage unit that stores control data and a control unit that reads control data corresponding to a remote control code signal input via a distributor from the data storage unit and controls a predetermined video signal processing circuit. Therefore, each part of the video unit can be operated by the remote controller.

[0008]

1 is a block diagram showing an embodiment of a remote control system of the present invention, and FIG. 2 is an explanatory view showing an arrangement example of the remote control system of the present invention. The image display device includes a display unit 1 that displays a video signal and a video unit 5 that is provided separately from the display unit 1 and that performs signal processing such as reception processing on a TV signal input. The display unit 1 is arranged in the center of the wall as a wall-hanging type, and the video unit 5 is mounted on the rack 25 with other related video equipment, for example, V.
It is placed together with the TR 19 and the laser disk 21, etc., and placed in the corner of the room, in the storage, or the like. The display unit 1 is provided with a remote control signal receiving unit composed of a light receiving unit 2 and a detecting unit 4, and if the user uses the commander to issue, for example, a reception channel selection signal from the commander, the light receiving unit 2 At, the reception channel selection signal is received, converted into an electric signal and input to the detection unit 4, and the detection unit 4 detects the electric signal to demodulate the code signal of the remote controller.

The display unit 1 and the video unit 5 are connected by a multi-core cable 15, and the multi-core cable 15 is used to detect the signal.
The remote control code signal from is transmitted and input to the distributor 6 provided in the video unit 5. The video unit 5 includes a tuner section 10 for selecting a video signal input, a data storage section 8 for storing each code signal of the remote controller and control data for controlling a circuit corresponding to the code signal, and a distributor 6. Control data corresponding to a remote control code signal input via the data storage unit 8 and controlling a predetermined video signal processing circuit. The control unit 7 receives input from the distributor 6. The control data corresponding to the reception channel selection signal is read from the data storage unit 8 and input to the tuner unit 10. The TV signal input by the tuner unit 10 is received to select a desired reception channel. Output.

The signal selected by the tuner unit 10 and converted to the intermediate frequency is detected by the detection unit 11 to demodulate the video signal, and the video / audio signal processing unit 12 processes the audio signal separated from the video signal. For example, amplification and FM detection are performed to demodulate an audio signal, amplification and luminance and contrast adjustment are performed on a video signal, and a color signal is demodulated to RGB.
And input to the switch 14. The video unit 5 is provided with a video input terminal 13, and a video signal externally input via the video input terminal 13 is also input to the switcher 14. Further, the video unit 5 is provided with an operation section 9, and the control section 7 discriminates a remote control code signal input via the distributor 6 or an operation signal input from the operation section 9 to input. The control data corresponding to the remote control code signal or the operation signal is read out from the data storage unit 8, and the video / image data is read based on the read data.
The audio signal processing unit 12 and the switch 14 are controlled.

By switching the switch 14, a desired video signal is selected for the video signal from the video input terminal 13 or the video / audio signal processing unit 12, and the selected video signal is remote-controlled by the multi-core cable 15. The signal is transmitted separately and is input to the display circuit unit 3 provided in the display unit 1. The display circuit unit 3 performs necessary signal processing such as amplification, and displays an image on the display unit 1. The remote control code signal distributed by the distributor 6 is input to the modulator 17 of the retransmitting unit 16 provided outside the video unit 5, and the modulator 17 modulates a carrier wave of a predetermined frequency by the input and outputs it. Then, the infrared rays are modulated by the signal modulated by the light emitting unit 18 and emitted as a remote control signal.

The retransmitting unit 16 is installed so as to face the VTR 19 and the laser disk (LD) 21 mounted on the rack 25, and the light receiving section 2 provided in the VTR 19 is provided.
0 and the light receiving unit 22 provided in the laser disk 21 receives a remote control signal and converts it into an electric signal, and the control unit provided in each unit executes a command based on the remote control signal based on the converted electric signal. Therefore, in contrast to the separate type image display device in which the display unit 1 is provided separately from the video unit 5, the commander can operate the display unit 1 toward the display unit 1 as usual, and the video unit 5 and other related video equipment. (VTR 19) and the like can be controlled, and since the remote control signal supply system is versatile, various types of related video equipment can be used.

[0013]

As described above, according to the present invention,
For a separate type image display device that is provided with a display section that is separated from the video unit that processes the video signal, a remote control signal receiving section is provided in the display section and the remote control signal received by the receiving section is displayed. Converted to a code signal, transmitted to the video unit with a cable, the code signal is distributed by the distributor provided in the video unit, each part of the video unit is controlled by one distributed code signal, and the other distributed The code signal of is input to the re-transmission unit, and the re-transmission unit controls other video equipment such as a VTR by remote control. Therefore, if the commander is operated toward the display unit as usual, the video unit and other video equipment As the related video equipment can be controlled and the remote control signal supply system is versatile, it can be used as a related video equipment. It is possible to provide a remote operation system available those species.

[Brief description of drawings]

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

FIG. 2 is an explanatory diagram showing an arrangement example of a remote control system of the present invention.

[Explanation of symbols]

 1 Display Section 2 Light Emitting Section 3 Display Circuit Section 4 Detection Section 5 Video Unit 6 Distributor 7 Control Section 8 Data Storage Section 9 Operation Section 10 Tuner Section 11 Detection Section 12 Video / Audio Signal Processing Section 13 Video Input Terminal 14 Switcher 15 Multi-core cable 16 Retransmission unit 17 Modulator 18 Light emitting unit 19 VTR 20 Light receiving unit 21 Laser disk 22 Light receiving unit 25 Rack

Claims (4)

[Claims] 1. A separate type comprising a video unit that performs signal processing such as reception processing on a video signal input, and a display unit that is provided separately from the video unit and displays a video signal from the video unit. In the image display device, a receiving unit that receives the remote control signal provided in the display unit, detects and converts the remote control signal into a code signal, and a signal line that connects the video unit and the display unit and transmits the code signal, A distributor provided in the video unit, which distributes the code signal transmitted through a signal line, and a control unit which controls each unit of the video unit by one code signal distributed by the distributor, Retransmitting the other code signal distributed by the distributor as a remote control signal,
A remote control system including a re-transmission unit for remote-controlling other video equipment such as a VTR. 2. The remote controller in which the signal line is a multi-core cable, the video signal processed by the video unit by the multi-core cable is transmitted to the display unit, and the code signal is converted by the receiving unit. 2. The remote control system according to claim 1, wherein the signal is transmitted to the distributor separately from the video signal. 3. The remote unit according to claim 1, wherein the re-transmission unit comprises a modulator for modulating a carrier wave having a predetermined frequency with an input code signal, and a transmitter for transmitting the signal modulated by the modulator. Operating system. 4. Data in which the video unit stores a plurality of video signal processing circuits for receiving and processing a video signal input, each code signal of a remote controller, and control data for controlling the circuits corresponding to the code signals. 3. A storage unit, and a control unit for reading control data corresponding to a remote control code signal input through the distributor from the data storage unit and controlling a predetermined video signal processing circuit. The described remote control system.