JPH07177376A - Television receiver, remote control device, and combination thereof - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent people with deafness from disturbing the surroundings by making the volume of the TV receiver too high.
In addition, when the location of the remote control device is lost, it is necessary to take time to find the location. [Structure] The receiver 1 is provided with an audio modulation circuit 11 and an antenna 12 for a remote control device, and the remote control device side 13 is provided with a receiving antenna 15, an amplifier circuit 17, and a speaker 18, so that a person with a deafness can hear. You can listen to TV sound from the speaker on the remote control device at hand so that you do not need to turn up the volume on the TV itself, and when you do not know where the remote control device is, you can call from the receiver side. The generation circuit 20 sends a ringing tone, and in response to this, the remote control device causes the speaker 18 to generate a tone, thereby facilitating the location search of the remote control device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a television receiver,
The present invention relates to a remote control device and a combination thereof. More specifically, it is designed to improve the usability so that elderly people (the elderly) and people with impaired eyes or hearing can enjoy TV images. The present invention relates to a John receiver, a remote control device, and a combination thereof.

[0002]

2. Description of the Related Art Generally, the structure of a television receiver is
For example, "Color TV Textbook" (edited by Japan Broadcasting Corporation)
p. It is well known as described in 3.
A general television receiver is roughly divided into a receiving circuit, a video processing circuit, a synchronous deflection circuit, a picture tube, an audio processing circuit, a speaker and the like.

Then, the television radio wave received by the antenna is guided to the receiving circuit, and the television signal selected by the receiving circuit is converted into a primary color signal by being subjected to processing such as color demodulation in the video processing circuit. The synchronous deflection circuit separates the synchronous signal to generate horizontal and vertical deflection pulses, and the picture tube displays the television image on the screen by scanning the primary color signal from the image processing circuit using the deflection pulse. .

On the other hand, an audio signal is transmitted by an audio subcarrier, demodulated by an audio processing circuit, and then output as a television audio from a speaker or an earphone terminal incorporated in a television receiver. In addition, the wireless remote control device (hereinafter, referred to as a remote control device) is used for channel selection and power on / off of a television receiver.
It enables operations such as turning off and volume control from a distance, and uses infrared rays to control signals (remote control) from the transmitter of the remote controller to the remote controller signal receiver of the television receiver. A method of transmitting a signal) is generally used.

[0005]

With conventional television receivers and remote control devices, the usability is improved so that elderly people (the elderly) and people who are deaf or hard of hearing can enjoy receiving television images. However, there was a problem that the consideration was not enough in terms of efforts.

For example, first of all, when an elderly person or a deaf person (who has a poor hearing ability) hears a television sound directly from a speaker of a television receiver, the volume needs to be very high. Therefore, other sounds around you may not be heard and a problem may occur. Also, when using an earphone or the like to take out and listen to the audio signal from the audio output terminal of the television receiver, the cord that extends from the audio output terminal to the viewer (elderly or deaf) It is cumbersome or the distance from the television receiver to the viewer is limited by the cord length of the earphones, resulting in poor usability.

Secondly, in a television receiver which informs the selected channel on a screen display (such a receiver is common), it is suitable for the elderly and the visually impaired (those who have insufficient eyesight). May not be able to read the selected channel number displayed on the screen, so that it may not be possible to confirm whether or not the desired channel is being watched, which is inconvenient.

Thirdly, this is not limited to elderly people and people who are deaf or hard of hearing, but since the remote control device is small, if the remote control device is left unattended and loses its location, It can be difficult to find.

The object of the present invention is to solve the above problems.
A television receiver, remote control device, which is designed to improve usability in various ways as much as possible so that elderly people (the elderly) and people with visual or hearing disabilities can freely enjoy receiving television images. And providing a combination thereof.

[0010]

To achieve the above object, in the present invention, a remote control device for a television receiver is provided with a remote control transmission circuit, and the same as when the television receiver side originally outputs from a speaker. A receiving and demodulating circuit of a television audio signal for receiving an audio signal which is modulated for wireless transmission and transmitted, an audio output means for amplifying and outputting the received and demodulated television audio signal, and a volume adjusting means thereof. Equipped with.

As a television receiver corresponding to the above remote control device, a general structure for receiving a television broadcast is provided, and the same audio signal originally output from the speaker of the receiver is modulated for wireless transmission. Then, a television receiver provided with an audio transmitting circuit for transmitting to the remote control device was proposed.

Further, in the combination of the remote control device and the television receiver, when the received television audio signal is a multiple audio signal, the audio signal processing circuit of the television receiver selects any one of them. When the audio signal received from the audio transmission circuit of the television receiver is a multiplex audio signal, the reception and demodulation circuit of the remote control device is provided with a receiver audio selection circuit for outputting from the speaker of the receiver. The remote control side voice selection circuit for selecting any one of the above and outputting it from the remote control side speaker is provided.

In addition, in the combination of the remote control device and the television receiver, a call signal generation for causing the television receiver to transmit a call signal for calling the remote control device from the voice transmitting circuit for transmitting to the remote control device. A circuit is provided, and the remote control device is provided with a call signal identification circuit for receiving and identifying a remote control device call signal from a television receiver by a reception demodulation circuit of the remote control device and outputting a call sound from a speaker of the remote control device.

Further, in the combination of the remote control device and the television receiver, the television receiver receives a channel selection from a sound transmission circuit for transmitting to the remote control device in a reception channel selection circuit of the television receiver. A voice synthesizing circuit for synthesizing and transmitting a voice signal representing channel information is provided.

[0015]

In the remote control device of the television receiver,
The television receiver side is equipped with a receiving and demodulating circuit for the television audio signal, which receives the same audio signal that is originally output from the speaker and which is modulated for wireless transmission and transmitted. Can be heard from the remote control device at hand, which is very convenient for the elderly and deaf people.

The television receiver compatible with the above remote control device can normally receive a television broadcast, and also modulates the same audio signal originally output from its speaker for wireless transmission and transmits it to the remote control device. Since the transmitter circuit is provided, an elderly person or a deaf person can hear the TV audio signal from the remote controller at hand, in combination with the above remote controller, and there is no need to increase the volume.

In the combination of the remote control device and the television receiver, the audio signal processing circuit of the television receiver selects any one of the multiplexed audio signals and outputs it from the speaker on the receiver side. A remote control that has a receiver side audio selection circuit and that selects any one of the multiplexed audio signals received from the television receiver side in the reception and demodulation circuit of the remote control device and outputs it from the remote control side speaker Since the side audio selection circuit is provided, it is possible to change the audio output from the receiver side speaker and the audio output from the remote control side speaker such that one is English and the other is Japanese, thus improving usability.

In the combination of the remote control device and the television receiver, a call signal generation circuit for causing the television receiver to transmit a call signal for calling the remote control device from an audio transmission circuit for transmitting to the remote control device. Therefore, the remote control device receives and identifies the calling signal and generates a calling sound from the speaker on the remote control device side, which facilitates the search when the remote control device is lost.

In the combination of the remote control device and the television receiver, the channel selected by the reception channel selection circuit of the television receiver from the audio transmission circuit transmitting to the remote control device to the television receiver. Since the remote control device is provided with a voice synthesizing circuit for synthesizing and transmitting the voice signal representing the information, the remote control device receives it and notifies the channel information selected by the television receiver by voice from the speaker on the remote control device side. As a result, even an elderly person or a visually handicapped person can easily confirm that they are watching the desired channel, which is convenient.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a television receiver, a remote controller, and a combination thereof as a first embodiment of the present invention.

In FIG. 1, 1 is a main body of a television receiver, 2 is an input terminal of an incoming television signal, 3 is a receiving circuit, 4 is an image processing circuit, 5 is a synchronous deflection circuit, 6 is a picture tube, and 7 is deflection. A coil, 8 is a voice processing circuit, 9 is a speaker (speaker on the receiver side), 10 is a remote control receiver, 11 is a voice modulation circuit, 12 is an antenna for transmitting a voice signal, and 13 is a remote control device main body. Reference numeral 14 is a remote control transmitting unit, 15 is an audio signal receiving antenna, 16 is a reception demodulating circuit, 17 is an audio signal amplifying circuit, 18 is a speaker (remote controller side speaker), and 19 is an audio output terminal.

Next, the operation of this embodiment will be described with reference to FIG. The incoming television signal guided to the receiving circuit 3 is frequency-converted to an intermediate frequency by tuning and demodulated. The video processing circuit 4 performs processing such as color demodulation on the television signal demodulated by the receiving circuit 3, and the synchronous deflection circuit 5 separates the synchronous signal from the received television signal to generate a deflection pulse. The deflection coil 7 is driven to display a television image on the picture tube 6.

On the other hand, the audio processing circuit 8 demodulates the audio signal modulated by the audio subcarrier guided from the receiving circuit 3 and outputs the television audio to the speaker 9 of the television receiver. Further, the audio signal is guided from the audio processing circuit 8 to the modulation circuit 11, modulated and transmitted from the transmission antenna 12 to the remote control device 13. In the remote control device 13, the signal transmitted from the television receiver 1 is received by the antenna 15, demodulated into an audio signal by the demodulation circuit 16, and then amplified by the amplification circuit 17, and the speaker 1 of the remote control device 1 is received.
Drive eight.

Alternatively, when earphones or headphones are connected to the audio output terminal 19, audio output is obtained from the earphones or headphones. To adjust the volume of the audio output, the control signal of the volume set by the remote control transmission unit 14 is guided to the amplification circuit 17 so that the volume can be set, and the remote control device 13 can listen to the television sound at a desired volume.

Further, the normal remote control operation of the television receiver 1 by the remote control device 13 is that the remote control receiver 10 of the receiver 1 receives an infrared signal from the remote control transmitter 14 of the remote controller 13 to receive each of the receivers. This is done by generating a control signal for the circuit. Remote control device 1
As a control signal transmitted from the receiver 3 to the receiver 1, in FIG. 1, (a) is a signal for controlling channel selection in the receiving circuit 3, and (b) is volume setting and audio switching in the audio processing circuit 8. , (C) is a signal for controlling image quality adjustment and the like in the video processing circuit 4, and other control signals, and it is possible to control each part by remote control operation.

Next, referring to FIG. 1, when the television receiver 1 receives the audio multiplex signal, the remote control device 13 selects the output of the sound of the television receiver 1 and the sound of the remote control device 13. In the television receiver 1, the remote control receiving unit 10 that has received the signal from the remote control transmitting unit 14 sends a control signal (b) to the sound processing circuit 8 to select the output sound and to select the output sound. In the device 13, a control signal for voice selection is guided from the remote control transmission unit 14 to the voice demodulation circuit 16 to select an output voice.

In this way, the television receiver 1 and the remote control device 13 select the output voices from the multiple voices separately, so that the television receiver hears the main voice (for example, Japanese). It is possible to realize a viewing mode such as listening to a sub voice (for example, English) with the remote control device.

Here, in the present embodiment shown in FIG.
The audio signal after being demodulated by the audio processing circuit 8 of the television receiver 1 is remodulated by the modulation circuit 11 and transmitted to the remote controller 13 side.
The audio signal transmitting means to 3 is not limited to this configuration, but the audio signal that has been frequency-modulated before demodulation is taken out from the middle of the audio processing circuit 8 and only the processing such as frequency conversion is performed. It may be configured to send to.

According to the configuration of this embodiment shown in FIG. 1, the sound of the television receiver 1 at a remote place can be heard from the built-in speaker 18 of the remote control device 13 at hand or the sound output terminal 19. As a result, people with low hearing ability, such as the elderly who can't hear unless the volume of the television receiver is set to a considerably high level, can be heard at an optimum volume from their ears without increasing the volume of the main body of the television receiver. You will be able to watch television.

Further, with respect to the sound-multiplexed television sound signal, the sound can be individually selected on the side of the receiver and the side of the remote control device, the main sound is sent from the television receiver, and the visual acuity by the sub-sound is improved. It becomes possible to use the remote control device to listen to explanations and the like for people who have deteriorated, and the usability for people with low hearing ability, such as the elderly, is significantly improved.

Next, FIG. 2 is a block diagram showing a television receiver, a remote controller, and a combination thereof as a second embodiment of the present invention. In the figure, 2
Reference numeral 0 is a call signal generation circuit, reference numeral 21 is a call identification circuit, and the other components are the same as those of the first embodiment shown in FIG.

The present embodiment shown in FIG. 2 is characterized in that it has a function similar to that of the first embodiment shown in FIG. 1 but also has a function of calling the remote controller 13 from the television receiver 1. . The operation of this embodiment will be described below.

Referring to FIG. A calling signal generating circuit 20 for generating a calling signal of a specific pattern is provided on the television receiver 1 side, and since the remote controller 13 is left unrecognized by the user (viewer), when in trouble, The calling signal generation circuit 20 is operated on the side of the television receiver 1 and the generated calling signal is guided to the modulation circuit 11. The calling signal modulated by the modulation circuit 11 is sent from the transmitting antenna 12 to the remote control device 13.

In the receiving antenna 15 on the side of the remote control device 13, the received call signal is demodulated by the demodulation circuit 16, and the demodulated call signal is guided to the call identifying circuit 21. The call identifying circuit 21 identifies the call signal, and when the call signal arrives, controls the amplifier circuit 17 and outputs a ring tone from the speaker 18. Further, when the call identification circuit 21 detects the arrival of the call signal, when the power supply to the amplifier circuit 17 and the speaker 18 is turned off or the volume is reduced in the remote control device 13, the call identification circuit is detected. The amplifier circuit 17 and the speaker 18 are powered on from 21, and the amplifier circuit 17 is controlled so as to be set to a constant volume.

According to the present embodiment shown in FIG. 2, when the location of the remote control device 13 is unknown, the remote control device is called from the television receiver side, and the location of the remote control device is determined by the ringing sound output from the remote control device. It becomes possible to know the information easily, and the time for searching for the remote control device can be greatly shortened.

Next, FIG. 3 is a block diagram showing a television receiver, a remote controller, and a combination thereof as a third embodiment of the present invention. The present embodiment shown in FIG. 3 is an embodiment in which the number of channels selected on the receiver side can be known by voice on the remote control device side. In FIG. 3, reference numeral 22 is a voice synthesis circuit, and the other components are the same as those in FIG.

The operation of the embodiment shown in FIG. 3 will be described below.
In FIG. 3, consider a case where the viewer selects a channel using the remote control device 13. First, a channel selection signal is transmitted from the remote control transmission unit 14 to the remote control reception unit 10, a control signal for channel selection is output from the remote control reception unit 10 to the reception circuit 3, and the reception circuit 3 tunes to a target channel. .

Here, the channel selection signal is guided from the receiving circuit 3 to the voice synthesizing circuit 22, and the voice synthesizing circuit 22 outputs a synthetic voice in accordance with the selected channel. The voice modulation circuit 11 modulates the synthesized voice signal and sends it to the remote control device 13. On the side of the remote control device 13 that has received this signal, the reception demodulation circuit 16 demodulates it, the amplification circuit 17 amplifies it, and then the channel selected by the speaker 18 is announced by voice.

As described above, according to the present embodiment shown in FIG. 3, since the channel selected on the receiver side is notified by voice from the speaker on the remote control device side, for example, the visual acuity of the elderly person is deteriorated. Even when a person cannot read the display of the selected channel because the characters displayed on the screen cannot be seen well, it is possible to confirm by voice that the selection operation has been performed reliably.

[0040]

As described above, according to the present invention, an elderly person or a deaf person can use a remote control device at his or her own hand of a speaker or a speaker without changing the volume of the television receiver too high. , It is possible to listen to the television sound with an earphone or the like at an optimum volume, and there is an advantage that there is no fear that the sound of the television receiver is made too loud and adversely affects the surroundings.

It is also possible to distribute the main / sub audio multiplex signal to the television receiver main body side and the remote control device side for listening, and for example, for a visually impaired person who is transmitted by sub audio. There is also an advantage that the remote control device side can be used to distinguish the main voice from the remote control device side and to hear it reliably at the ear.

Furthermore, by providing a function of letting the remote control device voice-recognize the number of the selected channel in the receiver, it is not easy to read characters on the screen. People and visually impaired people can check the channel that they have selected by sound, which has the advantage of increasing usability.

Further, by providing the remote control device side with a function of generating a ringing tone in response to a call from the receiver side, even if the location of the remote control device becomes unknown and there is a problem, that function is utilized. Therefore, it is possible to easily find a remote control device, and it is possible to provide a television receiver, a remote control device, and a combination thereof that are easy to use not only for the elderly but also for the general public.

[Brief description of drawings]

FIG. 1 is a block diagram showing a television receiver, a remote controller, and a combination thereof as a first embodiment of the present invention.

FIG. 2 is a block diagram showing a television receiver, a remote controller, and a combination thereof as a second embodiment of the present invention.

FIG. 3 is a block diagram showing a television receiver, a remote control device, and a combination thereof as a third embodiment of the present invention.

[Explanation of Codes] 1 ... Television receiver, 2 ... Television signal input terminal, 3 ... Reception circuit, 4 ... Image processing circuit, 5 ... Synchronous deflection circuit, 6 ... Picture tube, 7 ... Deflection coil, 8 ... Audio Processing circuit,
9 ... Speaker, 10 ... Remote control receiver, 11 ... Modulation transmission circuit, 12 ... Transmission antenna, 13 ... Remote control device, 14
... remote control transmitter, 15 ... reception antenna, 16 ... reception demodulation circuit, 17 ... amplification circuit, 18 ... speaker, 19 ... voice output terminal, 20 ... call signal generation circuit, 21 ... call signal identification circuit, 22 ... voice synthesis circuit .

 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Masato Sugiyama, 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa, Ltd. Inside Hitachi Media Imaging Media Laboratory (72) Inventor Takumi Okamura, 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Incorporated company Hitachi Media & Video Research Laboratories (72) Inventor Tatsuo Nagata 292 Yoshida-cho, Totsuka-ku, Yokohama, Kanagawa Prefecture In-house Hitachi Media Visual & Media Research Laboratories (72) Inventor Kentaro Teranishi Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa 292 Hitachi, Ltd. Visual Media Research Center

Claims (4)

[Claims] 1. A wireless remote control device (hereinafter, referred to as a remote control device) for remotely operating various control operations of a television receiver including at least power-on / off, channel selection, and volume adjustment.
A remote control device), and at least a remote control receiving circuit for receiving a control signal sent from the remote control device, and an audio signal originally output from an audio output means built in the television receiver. A remote control device having a function of bidirectionally communicating data with a television receiver having an audio transmission circuit for transmitting to the device by radio waves or light, the remote control device comprising various components of the television receiver. A remote control transmission circuit for transmitting a control signal for remotely controlling the control operation, and a reception demodulation circuit for receiving a television audio signal transmitted by radio waves or light from the audio transmission circuit of the television receiver. An audio output means for amplifying and outputting a television signal received and demodulated by the reception demodulation circuit; Volume control means for adjusting the volume of the sound output from the input means, wherein the reception demodulation circuit of the remote control device receives the sound signal from the sound transmission circuit of the television receiver as a multiplexed television sound signal. At this time, the remote control device is provided with a voice selection circuit for selecting an arbitrary voice from the multiplexed voice signals and outputting the selected voice from the remote control side voice output means. 2. The combination of the television receiver and the remote control device according to claim 1, wherein a television sound can be heard by the remote control device, wherein the audio transmission circuit transmits to the remote control device to the television receiver. A television receiver having a call signal generation circuit for transmitting a call signal for calling a remote control device from the television receiver. 3. The combination of the television receiver and the remote control device according to claim 1, wherein a television sound can be heard by the remote control device, wherein the remote control device receives the television image by the reception demodulation circuit of the remote control device. When receiving a remote control call signal from a machine, the remote control device is provided with a call signal identification circuit that identifies the remote control call signal and outputs a calling sound to the voice output means of the remote control device. 4. The combination of a television receiver and a remote control device according to claim 1, wherein a television sound can be heard by the remote control device, wherein the audio transmission circuit transmits to the television receiver toward the remote control device. A television receiver provided with a voice synthesizing circuit for synthesizing and transmitting a voice signal representing channel information selected by a receiving and selecting circuit of the television receiver.