JPH02105799A - Remote operation commanding system - Google Patents

Abstract

PURPOSE:To improve operability and reduce the size of a remote operation command device by providing a function which displays the key arrangement and key function of the remote operation command device on a displaying screen in a display device. CONSTITUTION:A TV receiver 10 working as a display device receives remote handling signals from a remote handling command device 30 and is provided with a signal analyzing means 14 for analyzing received remote operation signals and a displaying character graphic preparing means 15 which prepares characters and graphics for displaying the key arrangement corresponding to the keys provided to the device 30 and functions of each key based on analyzed information. In addition, a display circuit 16 for converting prepared signals into video signals is also provided. Then the video signal displaying the key arrangement of the device 30 and functions of each key are sent to a CRT screen 18. Therefore, the operability of the remote operation command device 30 can be improved and, at the same time, the device can be miniaturized.

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention enables control of various electronic devices such as audio equipment and video equipment from a remote location. The present invention relates to a remote control command system comprising a remote control command device for exploiting 'tll' and a display device for displaying the functions of each key of the remote control command device.

[Summary of the Invention] The present invention is a remote control command system comprising a remote control command device and its display device for controlling and operating various electronic devices such as audio equipment and video equipment from a remote location. A signal receiving unit that receives a remote control signal sent from a remote control command device inside a display device such as a television receiver, a signal analysis unit that analyzes the received remote control signal, and a signal receiving unit that receives a signal from the signal analysis unit. The display device is equipped with at least display character/figure generating means for generating characters and figures for displaying the key arrangement of the remote control command device and the function of each key on the display screen of the display device based on the information obtained from the remote control device. By displaying the key arrangement of the command device and the function of each key on the display screen of the display device, the operability of the remote control command device is improved, and the remote control command device is also made smaller. It is.

[Conventional technology]

-C, in a remote control device such as an audio device such as a tape recorder or a player or a video device such as a video tape recorder, as a means of displaying the operation contents, a key display provided on the front of the remote control command device or an LED is used. Displays, liquid crystal displays, or displays that made it possible to change the key display using liquid crystals and transparent electrodes were used.

For example, in a remote control command device disclosed in Japanese Patent Application Laid-Open No. 59-171398, a screen changeover switch is used to switch the liquid crystal display provided adjacent to the operation keys of the remote control command device to A method was used in which the screen was selectively switched to a key function display for remote control of a machine, a key function display for remote control of a video tape recorder, etc., and key functions corresponding to the controlled device were displayed.

In addition, a remote control command device with a learning function enables remote control of multiple controlled devices with - remote control command devices; It was often used as a function.

[Problem to be solved by the invention]

As mentioned above, in the conventional remote control command system, the remote control command device uses conventional display methods, such as key display on the front of the remote control command device, LED display, liquid crystal display, or key display using liquid crystal and transparent electrodes. Since the display method used was such that it was possible to change the display, the display capacity was extremely small due to the restrictions imposed by the external size of the remote control command device, and the display capacity was extremely small. In the remote control command device disclosed in , the number of keys could not be increased so much that the operability was poor. Furthermore, if the display section is made larger in order to improve operability, the remote control command device becomes larger, the number of parts and cost increase, and reliability decreases.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, the present invention provides a remote control command system that makes it possible to realize a remote control command device that is small, easy to operate, low in cost, highly reliable, and consumes little power. The purpose is to provide.

[Means to solve the problem]

In order to achieve the above-mentioned problems, the remote control command system according to the present invention includes a signal receiving section that receives a remote control signal sent from a remote control command device, and a signal receiving section that analyzes the received remote control signal. A signal analysis means, and display characters and figures that generate characters and figures for displaying the key arrangement of the remote control command device and the function of each key on the display screen of the display device based on the information obtained from the signal analysis means. The present invention is characterized by comprising a display device having at least a generating means, and a remote operation command device having a function of transmitting at least one remote operation signal.

[Function] In the remote operation command system according to the present invention, a function is provided inside the display device to display the key arrangement and key functions of the remote operation command device on the display screen of the display device. It is possible to improve operability, reduce size, improve reliability, lower cost, and reduce power consumption.

〔Example〕

Embodiments of the remote control command system according to the present invention will be described below with reference to the drawings.

FIG. 1 is a functional block diagram of a television receiver serving as a remote control command device and a display device constituting a remote control command system according to an embodiment of the present invention, and FIG. 2 is a functional block diagram of a remote control command device in the embodiment. FIG. 2 is a schematic external view of a television receiver.

1 and 2, a television receiver 10 serving as a display device includes a photodiode 11 that receives a remote control signal from a remote control command device 30, and a light receiving amplifier that amplifies the signal received by the photodiode 11. 12
and a signal receiving section 19 comprising a waveform shaping circuit 13 that shapes the waveform of the amplified signal, a signal analyzing means 14 for analyzing the remote control signal received by the signal receiving section 19, and a signal analyzing means 14 for analyzing the remote control signal received by the signal receiving section 19; Display character/figure generating means 15 for generating characters and figures for displaying the key arrangement and the function of each key corresponding to the keys provided on the remote control command device based on the information analyzed by the analyzing means 14; A display circuit 16 for converting the signal generated by the display character/figure generation means 15 into a video signal (video signal A), and a key arrangement and each key of the remote control command device generated by the display circuit 16. It is composed of a screen MIX circuit 17 that synthesizes a video signal (video signal B) obtained from broadcast waves inputted to a terminal 20 into a video signal displaying the functions of , and a CRT screen 18 . In addition, in the above screen MIX circuit 17,
In addition to synthesizing the two video signals to be synthesized, one of the two video signals is selected by the control signal from the signal analysis means 14.
It is also possible to send out the video signal to the RT screen 18.

Here, the remote control command device 30 of the present invention has a function of selectively controlling a plurality of controlled devices, for example, at least a television receiver or a video tape recorder, and remotely controlling the devices. Display is performed on a television receiver. The remote control command device 30 also has a function of selecting whether or not to display the display. FIGS. 3A and 3B show the correspondence between the display screen and the remote control command device 30 when the controlled device to be switched and selected by the remote control command device 30 is a video tape recorder, and the controlled device is a television receiver. The correspondence relationship between the display screen and the remote operation command device 30 when used as a machine is shown in the fourth [EA, B].

That is, the display contents shown in FIG. 3A can be realized by operating the VTR key 31 and display key 32 provided on the key operation section of the remote control command device 30 shown in FIG. 3B. FIG. 3A shows the key layout and key functions displayed on the CRT screen of the television receiver IO in this case on the first day. In Fig. 3A above, the display contents are the key arrangement and key functions necessary for remote operation of the video tape recorder, such as play, stop, record, fast forward, etc. Only the key arrangement of the remote control command device is shown. They are displayed in corresponding positions.

Further, Figure B shows the key arrangement of the remote control command device in this case.

The display contents shown in FIG. 4A can be realized by operating the TV main key 5 and display key 32 provided on the operation section of the remote control command device 30 shown in FIG. 4B.

FIG. 4A shows the key arrangement and key function display contents displayed on the CRT screen 18 of the television receiver in this case, and FIG. 4B shows the key arrangement of the remote control command device.

Next, the operation will be explained. From the remote control command device 30 capable of remotely controlling a plurality of controlled devices to the television receiver 10, press the VTR key 31 provided in the key operation section of the remote control command device 30 shown in Figure B. By subsequently pressing the display key 32, (1) a remote control signal for displaying the key arrangement and key functions for the video recorder is sent to the television receiver IIO. Next, in FIG. 1, the remote control signal is amplified and waveform-shaped in the signal receiving section 19, and the signal analyzing means 1
Sent to 4. The content of this signal is analyzed by the signal analysis means 14. Based on this analyzed information, the screen display character/figure generating means 15 generates characters and figures for screen display corresponding to the information. For example, in the case of this specific application example, the above-mentioned characters and figures are used to display the key arrangement and key functions for the video tape recorder shown in Figure A on the CRT screen 18 of the television receiver 30. The characters and figures generated by the display character/figure generating means 15 are converted into a video signal A by the display circuit 16. This video signal A is combined with the above-mentioned video signal B in the screen MIX circuit 17 and displayed on the CRT screen.

Note that the video signal A generated by the display circuit 16 as described above can be displayed even if it is separated from the video signal B under control from the signal analysis means 14. Figure A shows the key arrangement and key functions for a video tape recorder, which is a display example of this CR7 screen 18. In this case, the number of keys required to remotely control the video tape recorder is small compared to the number of keys provided on the remote control command device, and only the keys surrounded by broken lines in Part B can be used. Become. For example, the key 33 and display 34 correspond to a playback function, the key 39 and display 37 correspond to a fast forward function, the key 40 and display 38 correspond to a stop function,
It becomes available for use.

Next, by pressing the key 33 corresponding to the playback operation on the key operation unit 11 of the remote control command device, the CRT of the television receiver 10 corresponding to this key is pressed.
The display 34 on the screen 18 blinks and is used to confirm the operation details.

Furthermore, if you press a key that is not surrounded by the above-mentioned broken line, that is, cannot be used, "Unusable key J" will be displayed on the CR7 screen 18, asking you to confirm whether you have made a mistake in the operation.

Although the above application example is an example in which it is applied to a video tape recorder, the present invention can also be used as a remote control command system for other electronic equipment, such as audio equipment or video equipment such as a television receiver or a compact disc player. is possible.

In the above embodiment, the key arrangement and key function display are changed according to the selection of the controlled device, but in addition, for example, in a television receiver equipped with a timer function mode, the remote control command device When it is possible to switch between the timer setting mode and the normal television receiver operation mode, the arrangement of each key and the display of key functions are changed according to the selection and switching of the above mode. Good too.

[Effects of the Invention] According to the present invention, the key arrangement and key functions of the remote control command device can be displayed on the display screen of the display device in a positional correspondence with the key arrangement of the remote control command device, so that the operation of the remote control command device can be performed easily. can be easily done. In addition, since the display section of the remote control command device can be deleted or simplified,
It is possible to miniaturize the remote control command device, improve operability, lower cost, increase reliability, and reduce power consumption.

Also, any single key can have multiple different functions,
Even when operating the remote control fingers of multiple devices with a single remote control command device, key operations can be performed by switching the display screen of the display device to a display corresponding to each controlled device, such as a VTR, CD, TV, etc. can be easily done.

Figure B is a plan view of the remote control command device.

10・ 14・ l　5　・ l　6　・ 17・ l　8　・ 19・ 30・ television receiver Signal analysis means Display character/figure generation means Display circuit ## Screen MIX circuit CRT, (cathode ray tube) screen Signal receiving section remote control command device

[Brief explanation of drawings]

Claims (1)

[Scope of Claims] A remote control command device having a function of transmitting at least one remote control signal; a signal receiving unit that receives a remote control signal sent from the remote control command device; A signal analysis means for analyzing the remote control signal, and characters and figures for displaying the key arrangement of the remote control command device and the function of each key on the display screen of the display device based on the information obtained from the signal analysis means. A remote control command system comprising: a display device comprising at least means for generating display characters/figures;