JPH06311385A - Television receiver - Google Patents

Abstract

PURPOSE:To obtain the television receiver in which no malfunction or the like take place with simple configuration and plural connected video equipments are operated by one remote control unit. CONSTITUTION:A main body reception section 11 receives a control signal from a remote control unit 20 and sends a control code to a microcomputer 12. A changeover switch 15 selects a signal for a VDP 16, a VTR 17 and a tuner 14. A main body transmission section 19 sends the information representing which the changeover switch 15 selects to the remote control unit 20. A remote control reception section 24 receives information sent from a TV main body 10 and gives the information to the microcomputer 21 and the microcomputer 21 stores the state of the TV main body 10 to a RAM 25 and displayed on a display section 26. In this case, when a multi-function key is entered, the information from the TV main body 10 is referenced and a control code in response to the input mode selected by the changeover switch 15 of the TV main body 10 is sent to the TV main body 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television receiver having a remote control function (hereinafter abbreviated as a remote controller), and particularly to a remote controller for a plurality of connected video devices with a simple structure. The present invention relates to a television receiver that can be operated by a unit.

[0002]

2. Description of the Related Art Recently, television receivers (hereinafter referred to as TV
Abbreviated as)) and other various video equipment have become popular. For example, a video tape recorder (hereinafter abbreviated as VTR)
Video disc player (hereinafter abbreviated as VDP)
Etc. are the typical ones. Since most of the AV equipment have a remote control function, the number of remote control units (hereinafter sometimes abbreviated as remote control) owned by the user is increasing. For example, T
When devices such as V, VTR, and VDP are used as remote controls, it is inconvenient for the user to separately handle the remote controls of each device. Therefore, a method has been adopted in which a key frequently used in VTR or VDP is added to one remote controller, for example, a TV remote controller.

FIG. 5 is a diagram showing an example of a TV remote controller to which the above-mentioned keys are added. In FIG. 5, reference numerals 1 to
The keys indicated by 4 are rewind, play, fast forward, and stop keys, respectively. When the rewind, play, fast forward, and stop keys are input, which of the VTR and VDP control codes is to be transmitted is determined by the user selecting the slide switch 5. However, in this method, the user needs to add a mechanical switch to the remote controller to switch the target of the video equipment to be controlled. As a result, it may result in an erroneous operation by the user.

Therefore, as described in Japanese Patent Application Laid-Open No. 2-180497, each device is made to transmit an individual recognition signal, which is received by the remote controller and automatically correspond to the device to be controlled. A so-called bidirectional remote control function, such as switching to a control signal, has been considered.

[0005]

However, in the method as described above, it is necessary to have a means for transmitting the recognition signal to each device, and to prevent the interference of the recognition signal transmitted from each device. However, there is a problem in that the cost will be significantly increased because of the need to devise.
Therefore, it is an object of the present invention to provide a television receiver having a simple configuration and capable of operating a plurality of connected video equipment with a single remote control unit without fear of erroneous operation.

[0006]

In order to solve the above-mentioned problems of the prior art, the present invention provides a television receiver which can be remotely operated by a remote control unit, in which the television receiver body is built-in. Switch for selecting the tuner input and the input of a plurality of connected video devices, the main body receiving section for receiving the control signal emitted from the remote control unit, and the control signal received by the main body receiving section. The remote control unit includes a main body control unit that controls the changeover switch, and a main body transmission unit that inputs the input mode selected by the changeover switch from the main body control unit and transmits the input mode to the remote control unit. Indicates the input mode selected by the changeover switch, which is transmitted from the main body transmitter. A remote control receiving unit for receiving, a transmitting unit for transmitting a control signal to the television receiver main body, an input unit having a multifunction key common to operations of the television receiver and the plurality of video devices, and There is provided a television receiver characterized by comprising a remote controller control section for supplying the remote control transmission section with the control code of the input mode received by the remote control reception section when a multifunction key is input. It is a thing.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A television receiver of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a block diagram showing an embodiment of a television receiver of the present invention, FIG.
FIG. 4 is a diagram showing a remote control unit of the television receiver of the present invention, FIG. 3 is a flow chart for explaining the operation of the television receiver main body of the present invention, and FIG. 4 is a view of the operation of the remote control unit of the present invention. It is a flowchart for doing.

FIG. 1A shows the structure of the TV main body 10 and the T.
The video equipment connected to V is shown. In FIG. 1A, the main body receiving section 11 receives a signal sent from the remote control unit and transmits the control code to the microcomputer (main body control section) 12. The tuner 14 is a tuner built in the TV body 10 and is connected to the changeover switch 15. The changeover switch 15 switches the signals of the VDP 16, VTR 17 and tuner 14 according to the signal from the microcomputer 12. The input mode selected by the changeover switch 15 is processed by the video processing circuit 18, and the CRT 13
In addition to being displayed on the screen, "VDP", "VTR", etc. are displayed on-screen. In the main body transmission unit 19, the changeover switch 15 includes the VDP 16, the VTR 17, and the tuner 1.
Which of the four is selected, that is, the input mode is transmitted to the remote control unit side.

FIG. 1B shows the structure of the remote control unit 20. In FIG. 1B, the microcomputer (remote control unit) 21 immediately determines which key is pressed when a key on the keyboard (input unit) 22 is pressed, and outputs the control code corresponding to the key to the remote controller. The data is transmitted to the TV body 10 via the transmission unit 23. Remote control receiver 2
4 receives the information sent from the TV body 10,
Tell the microcomputer 21. Based on this information, the microcomputer 21 stores the state of the TV body 10 in the RAM 25 and displays it on the display unit 26.

FIG. 2 shows an example of the keyboard of the remote control unit of the embodiment. In FIG. 2, in addition to the keys used for normal TV operation, the multifunction keys 31 to 34 are keys common to the TV, VTR, and VDP. In the case of VTR and VDP, these are keys for rewinding, reproducing, fast-forwarding, and stopping operations, and in the case of TV, they are used for other operations. The display unit 26 is composed of an LCD or the like, and includes a TV, a VDP 16, and a VDP.
Displays the status of TR17.

The operations of the microcomputers 12 and 21 of the TV body 10 and the remote control unit 20 according to the present invention will be described below with reference to flowcharts. FIG. 3 is a flowchart of the operation of the microcomputer of the TV body 10. In step 1, it is determined whether the control code is input from the remote controller 20. If it is input, the process corresponding to the control code is performed in step 2, and if it is not input, the process proceeds to step 3. In step 3, the current state of the changeover switch 15 is transmitted to the remote control unit 20. Then, the process returns to step 1 and the process is repeated.

Next, the operation of the microcomputer of the remote control unit 20 will be described. In FIG. 4, in step 11, it is determined whether there is an input from the keyboard. If there is no input, go to step 16. If there is an input, it is determined in step 12 whether the key is a multifunction key. If it is not a multi-function key, send a normal TV control code, and step 1
If it is a multi-function key in step 5, the information from the TV main body is referred to in step 13, and the TV main body 1
A control code corresponding to the input mode selected by the 0 switch 15 is transmitted to the TV body 10 (step 14), and the process proceeds to step 16.

In step 16, it is judged whether or not there is information transmission from the TV body, and if there is transmission, step 1
The information is stored in the RAM in step 7, and is displayed in step 18. Then, it returns to step 11 and a process is repeated.

[0014]

As described in detail above, the television receiver of the present invention has a two-way remote control function,
Since the input mode of the main unit is sent to the remote controller and the remote controller sends the control code corresponding to the input mode to the TV main unit, it has a simple structure and can operate multiple connected video devices without worrying about erroneous operations. There is a practically excellent effect that it can be operated with one remote control unit.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a television receiver of the present invention.

FIG. 2 is a diagram showing a remote control unit of the television receiver of the present invention.

FIG. 3 is a flowchart for explaining the operation of the television receiver body of the present invention.

FIG. 4 is a flowchart for explaining the operation of the remote control unit of the present invention.

FIG. 5 is a diagram showing a conventional remote control unit.

[Explanation of symbols]

 10 TV main body 11 Main body receiving section 12 Microcomputer (main body control section) 15 Changeover switch 19 Main body transmitting section 20 Remote control unit 21 Microcomputer (remote control section) 22 Keyboard (input section) 23 Remote control transmitting section 24 Remote control receiving section

Claims (1)

[Claims] 1. A television receiver that can be remotely controlled by a remote control unit, wherein the television receiver body includes a changeover switch for selecting a built-in tuner input and an input of a plurality of connected video equipment. A main body receiving unit that receives a control signal emitted from the remote control unit; a main body control unit that controls the changeover switch based on a control signal received by the main body receiving unit; An input mode selected from the main body control unit and transmitted to the remote control unit, wherein the remote control unit is an input mode selected by the changeover switch transmitted from the main body transmission unit. To the remote control receiver for receiving the A transmitting unit for transmitting a signal; an input unit having a multifunction key common to the operations of the television receiver and the plurality of video devices; and a remote control receiving unit when the multifunction key is input. A television receiver, comprising: a remote controller controller that supplies the input control code of the input mode to the remote controller transmitter.