WO1999049652A1

WO1999049652A1 - Display and apparatus

Info

Publication number: WO1999049652A1
Application number: PCT/JP1998/003845
Authority: WO
Inventors: Toshimitsu Watanabe; Kuninori Matsumi; Tomoharu Nakiri
Original assignee: Hitachi, Ltd.; Hitachi Video And Information System, Inc.
Priority date: 1998-03-26
Filing date: 1998-08-28
Publication date: 1999-09-30

Abstract

An apparatus, particularly a display, which can be easily controllable by any one of two or more types of remote controllers, for instance, remote controllers of different manufacturers, while suppressing the cost increase as much as possible. The apparatus has a setting means for setting the apparatus so that the apparatus can be controlled by any one of a plurality of types of remote controllers and a switching means for switching the setting means so that the apparatus can be controlled by the remote controller. With this constitution, the apparatus can be so set as to be controlled by one of a plurality of types of remote controllers and malfunctioning caused by use of different type of remote controller can be avoided. Further, by switching the setting means by using an arbitrary remote controller, the switching can be done if a remote controller wanted to use alone exists.

Description

Details

Display device and equipment Technical field

The present invention relates to a device that can be remotely operated by a plurality of types of remote control devices (hereinafter, abbreviated as a remote control device) for transmitting a signal modulated by, for example, infrared rays, and more particularly to a plurality of types of devices having different capabilities. The present invention relates to a display device capable of remote control corresponding to each remote control device. Background art

In recent years, display devices such as computer monitors and television receivers have become larger and more developed to respond to higher functionality and digital broadcasting. There is. In such a case, it is common to use the corresponding remote control for each set of different brands in order to avoid erroneous operations at store displays and the like. However, for the sake of maintenance and various adjustments, it is preferable that a set of certain brands can be shared by remote controllers of different brands. To cope with this, for example, the following method is generally used.

(1) The configuration of the display set is the same. Microcomputers with different ROMs with different program parts for analyzing the code of the infrared remote controller are prepared for each brand, and sets with different microcomputers are installed.

(2) Use a microcomputer equipped with multiple brands for the program part that analyzes the code of the infrared remote controller, and fix the microcomputer settings for each brand at the time of shipment. The fixing method includes the following method. (a) Hardware setting method such as switching the voltage value applied to the input port of the microcomputer

(b) Software setting method that specifies the range of use of the code analysis unit in the microcomputer

By the way, when the method (1) is used, it is necessary to prepare a different microcomputer for each brand, and there is a problem that cost up cannot be avoided. Also, in the case of (2) (a), there are problems such as changing the pattern of the board on which the microcomputer is mounted for each brand, and increasing the cost by adding an IZO pin. Also, in the case of (2) and (b), it is necessary to take countermeasures for latch-up of the microcomputer due to adjustment work at the production site or discharge inside the TV set, etc., in order to perform the setting of the delay. Is one of the issues. In addition, in any of the methods (1) and (2), it is necessary to prepare remote controls corresponding to each brand when performing service adjustments for repairs in the market. There is an annoyance to say, and solving it is also an issue.

In addition to the above-mentioned respective methods, for example, as described in Japanese Patent Application Laid-Open No. Hei 7-96969, by transmitting a selection instruction signal, two types of remote control devices can be supported. Things are also known. However, this method has a problem in that a selection instruction signal must be transmitted by a remote control device that is capable of receiving, and without this remote control device, it is not possible to switch to a desired remote control device. is there.

In addition, as described in Japanese Patent Application Laid-Open No. Hei 4-148595, a control device capable of controlling a plurality of devices by a received remote control signal is simply connected to another device. There are also known ones that aim to build a control system using a remote control. However, in this method, only a specific remote control device can operate the control device, and the remote control device can control the control device. The problem is that the control signal is transferred to another device and the control device cannot be operated.

The present invention has been made in view of the above problems, and has as its object to reduce cost as much as possible and to easily use two or more types of remote control devices (for example, remote control devices of a plurality of manufacturers). It is an object of the present invention to provide a device which can respond to the above, particularly a display device. Disclosure of the invention

In order to achieve the above object, a display device operable by a plurality of types of remote control devices according to the present invention has the following configuration. That is, a display unit, a switching unit that switches to be operated by any one of the plurality of types of remote control devices, and a display unit that displays switching information on switching in the switching unit on the display unit. And.

Further, the switching information is information indicating a type of the remote control device, for example, information indicating a brand control of the remote control device.

Further, the switching means switches based on a transmission signal from the remote control device.

Also, a switch means is provided for determining whether or not the switching of the switching means is permitted, and the switching means can be switched only when the switching means is in the permitted state. I do. The switch means is provided so as not to be exposed from the outer surface of the display device.

Further, the switch means is also used as an adjustment means used when adjusting the display device. The adjustment is performed by the It is carried out using a motor control device. In addition, the adjustment is a convergence adjustment.

In addition, a configuration is provided in which a sound generation unit that conveys by voice the switching by the switching unit is provided.

Further, the display device is a television receiver.

Alternatively, in order to achieve the above object, the device according to the present invention employs the following configuration. That is, setting means for setting to be operated by any one of the plurality of types of remote control devices, and an arbitrary remote control device of the plurality of types of remote control devices.

Switching means for switching the setting means so as to be operated by the arbitrary remote control device using a control device.

Alternatively, the following configuration is adopted. That is, at least a first mode that operates in response to a command included in a transmission signal from the first remote control device, and a mode that responds to a command included in a transmission signal from the second remote control device. A second mode for performing an operation, and based on the received transmission signal, the first and second modes corresponding to the first or second remote controller transmitting the transmission signal. It is characterized in that either of these can be set.

Also, a light receiving element that receives a transmission signal from the remote control device and converts the signal into an electric signal, and controls to execute a command included in the electric signal based on the electric signal converted by the light receiving element. Control means for performing control in response to a command included in a transmission signal from the first remote control device, and control means for performing transmission from the second remote control device. A second control mode that performs control in response to commands contained in the signal. Determining whether the remote control device that transmitted the transmission signal is the first or second remote control device based on the received transmission signal, and according to a result of the determination, determining whether the remote control device is the first or second remote control device. One of the control modes can be set.

The setting of the mode may be performed based on an identifier indicating the type (manufacturer) of the remote control device included in the transmission signal from the remote control device, for example, a header signal. In addition, it is preferable that the above configuration further includes a switch means so that the mode setting can be performed only when the switch means is in the ON state.

Further, when the device is a display device, the result of determination of the remote control device by the control means may be displayed on a screen. Further, the control means is constituted by at least first and second microcomputers whose control targets are different from each other, and the first microcomputer determines the remote control device, and the first and second microcomputers are determined according to the result. The control mode of the microcomputer may be set.

Still further, the video signal processing means for processing the video signal inputted by the first microcomputer is controlled, and the synchronization signal for processing the synchronization signal inputted by the second microcomputer is provided. The processing means may be controlled, and the first and second microcomputers may be connected to each other via a bus line for transmitting and receiving information including the result of the determination of the remote controller.

Still further, the first microcomputer performs control for convergence correction and control for displaying the determination result of the remote controller on a screen, and the video signal digitized by the second microcomputer. May be controlled to convert the remote control signal into an analog video signal, and the first and second microcomputers may be connected to each other via a bus line for transmitting and receiving information including the determination result of the remote controller. Furthermore, switch means for setting the mode is connected to the first microcomputer, and the first microcomputer determines the remote control device when the switch means is in the 〇N state. It may be.

According to the above configuration, the following operations are provided. That is,

By setting the above setting means so as to correspond to any one of the remote control devices, a malfunction by another remote control device can be prevented. In addition, by using the switching means to switch using an arbitrary remote control device, switching can be performed as long as there is a remote control device desired to be used.

By displaying the switching information on the display unit, the user can know that the switching has been performed. For example, by displaying the type of a remote control device such as a brand or a manufacturer, the user can know which remote control device has been switched so as to be compatible.

Further, by performing the switching based on the transmission signal of the remote control device, the switching can be performed by the remote control device itself.

Further, by making the switching possible only when the switch means is set to 〇N, it is possible to prevent the switching from being performed too much. In addition, by providing the switch means inside the display device, it is possible to prevent 0 N from being excessively set. Further, by using the switch means also as the adjusting means, the cost can be suppressed.

In addition, by performing adjustment using a remote control device, adjustment can be performed away from the display device. In particular, when performing the compensation adjustment, it is necessary to make adjustments while viewing the entire display unit away from the display device. By performing the adjustment, the usability of the user is improved.

Further, the provision of the sound generation means allows the user to know that the switching has been performed even in a device without a display unit or a display device with a small display unit.

In addition, by setting the control mode of the first and second microcomputers according to the result of the determination of the remote controller by the first microcomputer, it is possible to determine one of the plurality of microcomputers. What is necessary is just to store the program. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a block diagram showing a first embodiment of a display device according to the present invention,

FIG. 2 is a diagram showing an example of a form of a transmission signal output from the remote control device,

FIG. 3 is a diagram showing a display device having a switch therein, and FIG. 4 is a flowchart showing the operation of the first embodiment shown in FIG.

FIG. 5 is a diagram showing a display device provided with a switch on a front part.

FIG. 6 is a diagram showing the positions of the remote control device and the display device when performing the compensation for compensation.

FIG. 7 is a block diagram showing a second embodiment of the display device according to the present invention,

FIG. 8 is a flowchart showing the operation of the second embodiment shown in FIG.

Fig. 9 shows a display indicating that the code has been set. FIG.

FIG. 10 is a diagram showing an example of VTR to which the present invention is applied;

FIG. 11 is a block diagram showing a third embodiment of the display device according to the present invention,

FIG. 12 is a flowchart showing the operation of the third embodiment shown in FIG.

FIG. 13 is a block diagram showing a fourth embodiment of the display device according to the present invention,

FIG. 14 is a flowchart showing the operation of the fourth embodiment shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

First, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a block diagram showing a display device to which the present invention is applied. Company A infrared code signal (hereinafter abbreviated as R / C signal) Transmitter 1, Company B R / C transmitter 2, Photodetector 3, Mycon 4, Switch 5, Video signal input terminal 6, a synchronization and video signal processing block 7, a display device 8, and a non-volatile memory 45 represented by EEPROM and EPR〇M. Further, the microcomputer 4 includes a volatile memory 46 typified by SRAM and DRAM.

First, when operating a display device that is set at the factory so as to correspond to Company A's R / C transmitter 1 and whose settings are stored in the non-volatile memory 45 using the Company A's R 7C transmitter 1, The basic operation will be described. _(The R / C signal transmitted from the R / C transmitter 1 of company A is modulated by a carrier signal of about several 10 kHz. As shown in Fig. 2, it is composed of header signal 9 and 1-byte code signal 10, 11, 14, 15 and inverted signal 12, 13, 16, 17. I have. When the modulation signal is input to the light receiving element 3, it is converted into an electric signal and input to the microcomputer 4. The microcomputer 4 analyzes the signal of the header one signal 9 and recognizes the modulation carrier frequency. Then, based on the carrier frequency, the subsequent data 10 to 17 are analyzed to determine a 4-byte code. If the 4-byte code is, for example, instruction information for increasing the contrast, the video signal input from the terminal 6 is increased in the signal processing circuit 7 based on this code so that the signal amplitude is increased. , And operate to increase the contrast of the picture displayed on the display device 8.

A method for adjusting the service of the display device using the RZC transmission device 2 of Company B will be described. As shown in Fig. 2, the contents of the R / C signal of Company B are the header signal 20 and the 1-byte code signal 21 to 24 and the inverted signal 25 to 28 with different carrier frequencies. It consists of repetitions. Company A Since the format is different from the RZC signal, the arrangement of the code signal and the inverted signal is different. Therefore, if the company B RZC signal is transmitted without changing the settings, the microcomputer 4 determines that the noise is noise, and the signal processing circuit 7 cannot be controlled.

To make such a display device compatible with the signals of the RZC transmitter 2 of Company B, first remove the panel 48 on the front of the display device 47 as shown in Fig. 3, and then switch the switch 5 inside.にする Set to N. The switch 5 is connected to the microcomputer 4 and activates a software having an algorithm described in a flowchart shown in FIG. Next, the contents of the flowchart of FIG. 4 will be described. The signal transmitted from the R / C transmitter 2 of Company B is received by the light receiving element 3 and converted into an electric signal. Then, the microcomputer 4 analyzes the signal including the header signal. RZC code reception If the reception is recognized in step 30, the judgment is made by the judgment procedure 31 of the RZC code of Company A, and if the result is NO, proceed to the next step to judge the R / C code of Company B. Make a decision with block 32. If the judgment result of the judgment block 32 is YES, the internal program of the microcomputer 4 is set in the R / C code setting block 34 of company B so as to correspond to the RZC code of company B. Thereby, the microcomputer 4 can interpret the code information transmitted from the company B RZC transmission device 2. Thereafter, when the switch 5 is turned off, the RZC code setting of Company B is stored in the volatile memory 46, and the transmission signal from the RZC transmitter 1 of Company A is determined to be noise.

In this way, the service setting of the display device set in the company A RZC transmission device 1 can be performed using the company B R / C transmission device 2. The settings of the RZC code of Company B are stored in the volatile memory 46. Therefore, when the power is turned off, the settings stored in the volatile memory 46 are deleted. Thus, the next time the power is turned on, the R / C code of company A stored in the non-volatile memory 45 is set, and the original code can be automatically restored. The A company RZC code stored in the nonvolatile memory 45 can be changed to the B company RZC code. First, the switch 5 is set to ON, the R / C code of Company B is set, and then the “Initial R / C code change command” is transmitted using the RZC transmitter 2 of Company B. When the microcomputer 4 receives the “Initial RZC code change command”, it erases the R / C code of company A stored in the non-volatile memory 45 and writes the R / C code of company B instead. Thus, the RZC code stored in the nonvolatile memory 45 can be changed. Perform the same operation again to make it compatible with Company A R / C transmitter 1.

In the present embodiment, the setting is not made so as to correspond to both the R / C code of the company A and the company B, but is set so as to correspond to either of them. As a result, even if two display devices of Company A are adjusted at the same time, By setting the display to the R / C code of Company B, malfunction of the display device during adjustment can be prevented. Also, when a demonstration is held at a store where both Company A and Company B display devices are displayed, malfunction can be prevented by setting one of them. Note that the microcomputer 4 may be provided with other judgment blocks of the judgment blocks 31 and 32, in which case, it is necessary to support other RZC transmission devices other than the companies A and B. Can be.

In this embodiment, the remote control device used is changed in order to adjust the service. For this reason, the switch 5 is provided inside the display so that a general user cannot change the setting by mistake. However, if the user wants to use a plurality of brands of remote control devices arbitrarily or wants to make adjustments without opening the display device panel, as shown in FIG. A switch 5 may be provided on the front of the vehicle. Even in such a case, it is recommended to use a switch such as a thin stick to push the switch as shown in the figure so as not to push too much.

Next, the determination of the R / C code in the determination blocks 31 and 32 will be described in detail. First, the operation of the decision block 31 will be described. The judgment block 31 judges the R / C code of Company A in the following steps.

(1) First, analyze the pattern of the header signal. The header one signal is information indicating the strength of the received signal level of the RZC signal in order to determine whether the R / C signal has been correctly received and whether the R / C signal is not noise such as external light. The pattern is compared with the pattern of the header signal of Company A stored in the ROM in the microcomputer 4 in advance. If it matches the memory pattern, it analyzes the code signal following the header signal as a signal as specified.

② As a result of the analysis of the code signal, the arrangement of the code signal If the arrangement of the code signals of Company A stored in M is the same as the one (for example, the arrangement shown in the upper waveform in Fig. 2), the R / C signal is transmitted by Company A's R / C. Judge as the R / C signal transmitted from the device, and the judgment result is YES.

(3) If the header signal pattern is different or the code signal is not the one of Company A, the judgment result is N 0 and the process proceeds to judgment block 32. Next, the operation of the decision block 32 will be described. The decision block 32 decides the R / C code of the company B in the following steps.

(1) Control the threshold according to the strength of the header signal.

(2) According to the controlled threshold value, a threshold value for analyzing a code signal following one header signal is set, and the code signal is analyzed. The analysis is performed in the same manner as that described in the judgment block 31. The sequence of the input code signals and the sequence stored in advance in the ROM in the microcomputer 4 (for example, If the two are the same, the R / C signal is determined to be the RZC signal transmitted from the RZC transmitter of Company B, and the determination result is YES.

(3) If the judgment result is N0, return to RZC code reception block 30.

In the embodiment, in order to determine whether or not the received R / C signal is the RZC signal of Company A, the pattern of the header signal is compared with the stored pattern, and the arrangement of the code signal and the inverted signal is determined. A method of comparing and discriminating between the pattern and the stored sequence pattern was used. Also, in order to determine whether or not the signal is the R / C signal of Company B, a threshold is set according to the level determination of the header signal, and the arrangement pattern of the code signal and the inverted signal and the stored arrangement pattern are compared. The method of comparison and discrimination was used. However, the soft tuner algorithm in the present invention limits the use of the header signal and the code signal. There is no. Further, the judgment block 31 and the judgment block 32 may make the judgment by the same judgment method. For example, if the code signals transmitted from all R / C transmitters include the brand signals corresponding to each brand, by comparing the brand signals with each judgment protocol, It is possible to determine which brand of the RZC transmitting device.

According to the present embodiment, by determining the R / C signal transmitted from the remote control device, the remote control device that the device accepts can be changed with the remote control device desired to be used. Can be improved. In particular, when compensating for a large display device that exceeds 40 inches, as shown in Fig. 6, the remote control device 49 should be operated while looking at the entire screen from a distance from the display device 47. Since it is necessary to make adjustments using the remote control device 49, if the remote control used by the remote control device 49 itself can be changed, the adjustment work can be started smoothly. In addition to convergence correction, it is easier to adjust using the remote control than using the buttons provided on the display device.

The display device of the present embodiment does not matter whether a tuner is provided or not. Further, it may be a projection type, a direct-view type, a liquid crystal display, or a CRT display. In the first embodiment, the present invention is applied to a display device. However, the present invention is not limited to a display device, and a VTR, a CD (compact disk), a DVD (digital versatile disk) that can be remotely controlled by a remote control device. The present invention may be applied to any device using a remote control such as a screen and an air conditioner.

Next, the second embodiment will be described with reference to FIGS. 7 and _8.c The second embodiment has a function of clearly indicating to the user that the code setting has been established, for example, 0 SD ( On-screen display) signal to the display This is a function that has been added.

The basic operation of this embodiment is the same as that of the first embodiment, and different points will be described. FIG. 7 is a block diagram showing a second embodiment of the display device to which the present invention is applied, and the same components as those in FIG. 1 are given the same numbers. Composed of Company A R / C transmitter 1, Company B RZC transmitter 2, Light receiving element 3, Microcomputer 36, Switch 5, Video signal input terminal 6, Synchronization and video signal processing block 7, Display device 35 Have been. The control signal from the microcomputer 36 is input to the signal processing block 7 and the display device 35. The algorithm in microcomputer 36 is shown in the flowchart of Fig. 8. Setting block 3 3 or 3 4 is set to correspond to the RZC code of Company A or Company B, and the display of the corresponding remote control device brand "Company A" or "Company B" is displayed. Set with 7 or 38 and display on the display device 47 as shown in FIG.

According to this embodiment, when the remote control device is switched, the corresponding brand is displayed on the display, so that the switch can be clearly recognized, and the usability of the user can be improved.

If the determination result in the determination block 32 is N0, the process returns to the RZC code reception block 30.However, the number of times of returning to the RZC code reception block 30 is counted. Then, you may specify to display such as "Be careful of the transmission angle and retransmit".

Further, when there are a plurality of codes of Company A, for example, when there are a normal code and a special code, which code is set may be displayed on the display in the same manner.

In the second embodiment, the present invention is applied to the display device as in the first embodiment. However, devices such as a VTR having a liquid crystal display, a DVD, a CD, etc. You may apply to an apparatus. It should be noted that the display is not limited to the screen display, and may be clearly displayed to the user by other means. For example, in the case of a VTR 64 as shown in FIG. 10, since the display unit 62 is small, it is preferable that the audio is clearly indicated by the audio generation unit 63. Not only VTRs but also devices with no display unit or small display unit can be easily understood by notifying that the code has been set by voice.

Next, a third embodiment will be described. The basic operation of this embodiment is the same as that of the first embodiment, except that a plurality of microcomputers (two in this embodiment) are used. In recent years, display devices have used more than one microcomputer in accordance with the increasing number of functions.

FIG. 11 is a block diagram showing a display device to which the present invention is applied. The same components as those in FIG. 1 are given the same numbers. Company A RZC transmitter 1, Company B R / C transmitter 2, Photodetector 3, Microcomputer 39, 40, Switch 5, Video signal input terminal 6, Synchronous signal processing block 42, Video signal processing block 43, a display device 8, and a bus line 41 for transmitting and receiving information between the first microcomputer 39 and the second microcomputer 40. In the present embodiment, an example in which the second microcomputer 40 is used for controlling the synchronization signal processing 42 and the first microcomputer 39 is used for controlling the video signal processing block 43 will be described. FIG. 12 shows a discrimination algorithm in the first microcomputer 39 used in the present embodiment. The output of the light receiving element 3 is input to the microcomputers 39 and 40, the first microcomputer 39 to which the switch 5 is connected determines the R / C signal, and the second microcomputer 39 is connected via the bus line 41. Transmit the brand discrimination code to 40.

According to the present embodiment, when a plurality of (first and second) microcomputers control a plurality of operations on the display, the program for discriminating the RZC signal is assigned to one of the plurality of microcomputers. This determination result is transmitted to other microcomputers via the bus line 41. Thus, the other microcomputers can set the RZC signal in the same manner as the microcomputer that performs the R / C signal determination. In other words, by storing the program for RZC signal discrimination in one microcomputer, other microcomputers can set the R / C signal at the same time.

Next, a fourth embodiment will be described with reference to FIGS. 13 and 14. FIG. The basic operation of this embodiment is the same as that of the third embodiment, and different points will be described. FIG. 13 is a block diagram showing a fourth embodiment of the display device to which the present invention is applied. The same components as those in FIG. 11 are given the same numbers. Company A RZC transmitter 1, Company B RZC transmitter 2, Photodetector 3, Microcontrollers 44, 40, Switch 5, Digital signal input terminal 51, Synchronous signal generation and video signal processing 53, Synchronous It comprises signal processing 54, display 55, and bus line 41. The function block 52 generates an analog video signal and a synchronizing signal from moving image data such as a digital broadcast compressed by, for example, the MPEG system input from the terminal 51. The second microcomputer 40 controls a circuit block 53 that performs synchronization signal generation and video signal processing. The synchronization signal output from the circuit block 53 is input to the synchronization signal processing circuit 54 and is controlled by the first microcomputer 44. Further, the microcomputer 44 controls the display position of the video signal on the screen of the display device 55, the screen distortion, the compensation for the compensation, and the like, and also displays the OSD from the microcomputer 44 on the display device 55. Control to display on the screen of. The discrimination algorithm in the first microcomputer 44 is shown in FIG. The output of the light receiving element 3 is connected to the microcomputers 44 and 40, and the first microcomputer 44 to which the switch 5 is connected determines the R / C code, and displays on the screen of the display device 55 At the same time as displaying "Company A" or "Company B", a brand discrimination code and the like are transmitted to the second microcomputer 40 via the no line 41. Switch 5 is also used as a function switch on the line that produces the display device, or as a service adjustment switch for adjusting the screen distortion in the market. Is also good.

According to the present invention, since R / C codes of various brands can be handled, it is possible to perform operations corresponding to various types of remote control devices while keeping costs low.

In addition, it is possible to operate the set of other brands using its own R / C, and it can cope with the service adjustment in the market, so that the burden on the workers can be reduced. is there. Industrial applicability

INDUSTRIAL APPLICABILITY As described above, the present invention is suitable for a device that is remotely controlled by a remote control device and that is used for a device that switches and uses a plurality of types of remote control devices. Particularly, it is suitable for obtaining a display device that needs to support a plurality of types of remote control devices.

Claims

The scope of the claims

1. A display device having a display unit, which can be operated by a plurality of types of remote control devices, at least partially different in transmission signals, and operated by any one of the plurality of types of remote control devices. Switching means for switching to

Display means for displaying switching information on switching in the switching means on the display unit;

A display device comprising:

2. The display device according to claim 1, wherein the switching information is information indicating a type of the remote control device.

3. The display device according to claim 1, wherein the switching information is information indicating a brand or a main feature of the remote control device.

4. The display device according to claim 1, wherein the switching means performs switching based on a transmission signal of the remote control device.

5. The display device includes switch means for determining whether to permit switching of the switching means,

2. The display device according to claim 1, wherein the switching unit is switchable when the switching unit is in a permission state.

6. The display device according to claim 5, wherein the switch means is provided so as not to be exposed from an outer surface of the display device.

7. The switch means is used when adjusting the display device. 6. The display device according to claim 5, wherein the display device is also used as an adjusting means.

8. The display device according to claim 7, wherein the adjustment is performed using the remote control device.

9. The display device according to claim 7, wherein the adjustment is a compatibility adjustment.

10. The display device according to claim 1, wherein the display device includes a sound generation unit that conveys, by a sound, the fact that the switching has been performed by the switching unit. 10.

11. The display device according to claim 1, wherein the display device is a television receiver.

1 2. Multiple types of remote control ports with at least partly different transmission signals

A device that can be operated by a

Setting means for setting to be operated by any one of the plurality of types of remote control devices;

Switching means for switching the setting means so as to be operated by the arbitrary remote control device using an arbitrary remote control device among the plurality of types of remote control devices;

A device comprising:

13. A light-receiving element that receives a transmission signal from a remote control device and converts the signal into an electric signal, and executes a command included in the electric signal based on the electric signal converted by the light-receiving element. A display device having control means for performing control.

The control means includes a first control mode for performing control in response to a command included in a transmission signal from the first remote control device, and a command included in a transmission signal from the second remote control device. Second control mode that performs control in response And determining, based on the received transmission signal, whether the remote control device that transmitted the transmission signal is the first or second remote control device, and determining the second remote control device in accordance with the determination result. A display device, wherein one of the first and second control modes can be set.

14. The control system according to claim 13, wherein the control means determines the remote control device based on an identifier indicating the type of the remote control device included in the transmission signal. The display device according to any of the preceding claims.

15. The display device according to claim 14, wherein the identifier indicating the type of the remote control device indicates a maker of the remote control device.

16. The display device according to any one of claims 13 to 15, further comprising switch means, wherein the control mode is set when the switch means is in the N state. A display device characterized by the ability to perform measurements.

17. The display device according to claim 13, wherein said control means has means for displaying a determination result of said remote control device on a screen.

18. The control means has at least first and second microcomputers whose control targets are different from each other,

The first microcomputer determines the remote control device, and sets the control mode of the first and second microcomputers according to the result. Display device according to item 3.

19. The first microcomputer controls video signal processing means for processing the input video signal, and the second microcomputer controls the processing of the input synchronization signal. And controls the synchronization signal processing means for performing the 19. The display device according to claim 18, wherein the two microcomputers are connected by a bus line for transmitting and receiving information including a result of the determination by the remote control device.

20. The first microcomputer performs control for compensating correction and control for displaying the determination result of the remote control device on a screen, and the second microcomputer performs digitized video processing. Control for converting a signal into an analog video signal, and the first and second microcomputers are connected by a bus line for transmitting and receiving information including a result of the determination of the remote controller. The display device according to claim 18, wherein

21. Switch means for setting the control mode is connected to the first microcomputer, and the first microcomputer discriminates the remote control device when the switch means is in the 0N state. 21. The display device according to claim 19, wherein the display device is a display device.

22. A device that is compatible with at least the first and second remote control devices that have different transmission signal transmission modes from each other,

At least a first mode that operates in response to a command included in a transmission signal from the first remote control device, and an operation in response to a command included in a transmission signal from the second remote control device And a second mode for transmitting the transmission signal based on the received transmission signal, the first mode and the second mode corresponding to the first or second remote control device transmitting the transmission signal. A device capable of supporting multiple remote control devices, characterized in that it is possible to set the remote control.

23. A device compatible with a plurality of remote control devices according to claim 22, wherein the mode is set based on an identifier indicating a type of the remote control device included in the transmission signal. A device that is compatible with multiple remote control devices.

24. The identifier indicating the type of the remote control device is the manufacturer of the remote control device. 23. A device capable of supporting a plurality of remote control devices according to claim 23, wherein the device is compatible with a plurality of remote control devices.

25. A device which is compatible with a plurality of remote control devices according to any one of claims 22 to 24, further comprising a switch means, wherein the switch means is in an ON state. A device capable of responding to a plurality of remote control devices, characterized in that the mode setting can sometimes be performed.