WO2015062244A1

WO2015062244A1 - Remote control for tv set

Info

Publication number: WO2015062244A1
Application number: PCT/CN2014/077761
Authority: WO
Inventors: 陈硕
Original assignee: 京东方科技集团股份有限公司
Priority date: 2013-10-31
Filing date: 2014-05-19
Publication date: 2015-05-07
Also published as: CN103533418A

Abstract

Provided is a remote control for a TV set. A first transmission module is provided at one end (top end) of the remote control and used for sending a remote control instruction from a user to the TV set through at least one first infrared photodiode. The remote control also comprises: a collection module used for collecting a voice signal of the user; and at least one second transmission module provided at the other end (bottom end) of the remote control, the second transmission module being used for sending the voice signal to the TV set so that the TV set plays the voice signal. The present invention enables a remote control to have a better communication angle with a TV set while realizing a microphone function, thereby increasing the communication quality of voice transmission.

Description

System

Broadcast song

inconvenient.

The working principle of the remote controller is as follows: When the user presses a remote control button, the corresponding circuit is connected, and the micro-control chip provided in the remote controller can detect the connection of the circuit and determine which one the user pressed. button. Then, the micro-control chip sends a password signal corresponding to the button, and the signal is amplified by the transistor, and then sent to the infrared photodiode, which is illuminated by the infrared photodiode.

: ii go, and the infrared receiving area set on the TV will

Signal corresponding operation 1

At present, to realize the family KTV, the TV can be connected to the network to obtain the background music, video and lyrics of the songs to be sung, and the TV remote control is used as the microphone for singing songs, which will be collected by the remote controller. The singer's voice is transmitted to the infrared receiving area of the television through the infrared transmitter of the remote controller, and the sound is played by the television through the player such as the audio, and the remote controller is used by the existing one. The first transmitting module 1 performing the remote control function transmits the sound signal to the television set. As shown in FIG. 1 , when the singer performs the singing, the singer usually tilts at a certain angle to cause the remote controller to implement the microphone function. The first transmitting module 1 and the infrared receiving area 6 of the television set have poor communication quality, resulting in poor communication quality and no clear voice of the singer.

It is an object of the present invention to provide a remote controller for a television set that implements a microphone: When it is possible, there is a good communication angle with the TV to improve the communication quality of sound transmission.

In order to achieve the above object, an embodiment of the present invention provides a remote controller for a television set, where a first transmitting module is disposed at one end of the remote controller for transmitting to the television set by using at least one first infrared photodiode. The remote control command, the remote controller includes:

The acquisition module, ^ is used to collect the user's voice signal;

At least one second transmitting module disposed at the other end of the remote controller for transmitting the sound signal to the television set such that the television set plays the sound signal.

In the above remote controller, the collection module is disposed at one end of the remote controller.

In the above remote controller, the acquisition module collects the sound signal through a sound sensor.

In the above remote controller, the sound sensor is disposed at one end of the remote controller.

In the above remote controller, the second transmitting module specifically includes:

a conversion submodule, configured to perform analog-to-digital conversion on the collected user's sound signal, and convert the signal into an electrical signal;

a modulation submodule, configured to perform infrared carrier modulation on the converted electrical signal to obtain an infrared carrier modulation signal;

An amplification processing submodule for amplifying the infrared carrier modulation signal;

a transmitting submodule, configured to transmit the amplified infrared carrier modulation signal to the television, so that after the television receives the amplified infrared carrier modulation signal, pass the amplified infrared carrier After the modulated signal is demodulated, it is restored to a sound signal and the restored sound signal is played.

In the above remote controller, the emission sub-module is composed of at least one second infrared photodiode.

In the above remote controller, the remote controller is further provided with a switching button for switching between the first control state and the second control state, wherein the first control state is to control the first transmitting module to be in operation The second control state is to control the second transmitting module to be in an active state.

In the above remote controller, the remote controller is provided with a micro control unit connected to a power source of the remote controller, and the first infrared photodiode and the second infrared photodiode are connected in parallel and connected On the path between the power source and the micro control unit;

The switching key is specifically configured to control a path between the power source and the micro control unit to be opened or closed, so that the micro control unit supplies power to the first infrared photodiode in a first control state, in the second control In the state, the second infrared photodiode is powered.

In the above remote controller, the switch key has a structure of a bar f, and the switch key corresponds to the first control state and the second control state respectively when being located on both sides of a fulcrum of the bar f structure.

In the above remote controller, the switch button has a slide switch structure, and the switch button is located at both ends of the slide switch respectively corresponding to the first control state and the second control state.

In the above remote controller, the switching button is disposed on the side of the remote controller.

Embodiments of the invention have at least one of the following beneficial effects:

The embodiment of the present invention implements a remote control function and a microphone function respectively by a first transmitting module disposed at one end and a second transmitting module disposed at the other end, wherein the second transmitting module disposed at the other end can implement the microphone function , have a good communication angle with the TV, improve the communication quality of sound transmission;

In the embodiment of the present invention, the remote controller switches between the remote control function and the microphone function by using a switch button to improve the user experience;

The remote controller provided by the embodiment of the present invention can be further applied to voice communication with a network or the like.

1 is a schematic diagram of a conventional remote controller capable of realizing a microphone function, and FIG. 2 is a schematic diagram of a remote controller according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a remote controller capable of implementing a microphone function in communication with a television set according to an embodiment of the present invention; FIG.

4 is a process of processing a collected sound signal by a remote controller according to an embodiment of the present invention; FIG. 5 is a flowchart of processing a sound signal transmitted by a remote control device received by a television set according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of an interaction implementation process of a home KTV according to an embodiment of the present invention;

FIG. 7 is a circuit diagram of a switching function implemented by a switching key according to an embodiment of the present invention; among them:

Main component symbol description:

h First transmitting module, 2: acquisition module, 3: remote control keyboard area, 4: second transmitting module, 5: switching button, 6: TV infrared receiving area, 7: TV, 8: first infrared photodiode , 9: second infrared photodiode, 10: micro control unit, 〖1: remote control power supply.

In order to make the technical problems, technical solutions, and advantages of the embodiments of the present invention more clear, the following detailed description will be made in conjunction with the drawings and specific embodiments.

An embodiment of the present invention provides a remote controller of a preferred television set. As shown in FIG. 2, a first transmitting module 1 is disposed at one end (specifically, the top end) of the remote controller for transmitting at least one first infrared ray. The photodiode 8 (refer to FIG. 7) sends an ffi home remote control command to the television set 7 (refer to FIG. 3), and the remote controller further includes;

The acquisition module 2, ) 3⁄4 is used to collect the user's voice signal;

At least one second transmitting module 4 disposed at the other end (specifically, the bottom end) of the remote controller transmits the sound signal to the television set such that the television set plays the sound signal. The collecting module 2 may specifically collect the sound signal by using a sound sensor such as a microphone or the like.

Preferably, the acquisition module is disposed on one end side of the remote controller. In addition, although the acquisition module 2 is provided at the top of the remote controller in Fig. 2, it is only required to be provided on one end side (specifically, the upper portion) of the remote controller.

Preferably, the sound sensor is disposed at one end (specifically, the top end) of the remote controller.

The user can hold the remote controller by hand, collect the sound signal through the sound sensor setting set at the top of the remote controller, and form a 360-degree emission range through the second transmitting module 4 disposed at the bottom end to transmit his own sound to the television set. And played through the TV, as shown in Figure 3, the whole process of the hand to grasp the natural tilting habit, so that the sound signal emitted by the bottom of the plexus remote control is within the range of the infrared receiving area of the TV, when implementing the microphone function, It is ensured that there is a good communication angle between the second transmitting module 4 and the television, and the communication quality of the sound transmission is improved.

In the embodiment of the present invention, it is considered that the first transmitting module 1 and the television set 7 are in infrared communication. In the way of the communication, the infrared receiving area 6 of the television set 7 can receive the sound signal emitted by the second transmitting module 4, so that the second transmitting module 4 communicates with the television set by means of infrared communication, which specifically includes:

a conversion submodule, configured to perform analog-to-digital conversion on the sound signal of the user collected by the ,, and convert the signal into an electrical signal;

An amplification processing submodule, configured to amplify the infrared carrier modulation signal;

a transmitting submodule, configured to transmit the amplified infrared carrier modulation signal to the television, so that after the television receives the infrared carrier modulation signal, after demodulating the infrared carrier modulated signal , reverts to a sound signal and plays the sound signal.

As shown in FIG. 4, the conversion sub-module performs analog-to-digital conversion on the sound signal collected by the sound sensor, and converts the analog signal into an electrical signal. Preferably, the electrical signal is a voltage signal, and then the modulation sub-module is used. The converted electrical signal is subjected to infrared carrier modulation to obtain an infrared carrier modulated signal, and after amplification, the infrared carrier modulated signal is transmitted to the television set 7 through at least one second infrared photodiode 9 (refer to FIG. 7) (refer to image 3 ).

Correspondingly, as shown in FIG. 5, the television sets the infrared carrier modulated signal transmitted by the second transmitting module 4 (refer to FIG. 3) through the infrared photodiode at the receiving end of the television, and then demodulates the infrared carrier modulated signal. Further, the user's voice signal is restored by digital-to-analog conversion and played through the speaker of the television.

According to the above process, the family KTV singing process can be realized. As shown in FIG. 3 and FIG. 6, the television is connected to the network, and the background music, video and lyrics of the songs to be sung are obtained, and the television is remotely controlled. As a microphone for singing a song, the sound signal of the singer is collected by the acquisition module 2 disposed at the top of the remote controller, and transmitted to the infrared receiving area 6 of the television through the second transmitting module 4 of the remote controller, which is described by the television set 7. The sound is played out through a player such as an audio, which ensures a good communication angle between the second transmitting module 4 and the television set 7, and improves the communication quality of the sound transmission.

Certainly, the remote controller provided by the embodiment of the present invention may also be used for voice interaction with the network, and after the television 7 restores the sound signal of the household, the sound signal is uploaded to the network and passed through the network. The network downloads the voice signals of other users who are engaged in voice interaction with the current user, thereby implementing the entire process of network voice interaction.

In the remote controller provided by the embodiment of the present invention, two transmitting modules are provided, which respectively correspond to the remote control function and the microphone function. In practical applications, if two transmitting modules are in working state at the same time, the following problems may occur:

The household normally watches the TV program, but the remote controller collects unnecessary noise around it, and plays the noise synchronously with the sound of the television program through the television, so that the user cannot clearly listen to the current television program, thereby reducing the user experience; Or

The ffi household is performing a family singing. Since the remote control is used as a microphone and the finger touches the remote keyboard area 3, the TV 7 receives the corresponding command lh to play the current song information, which also reduces the user experience.

Therefore, in the embodiment of the present invention, preferably, as shown in FIG. 3, the remote controller is further provided with a switch key 5 for switching between the first control state and the second control state, wherein the first control state To control the first transmitting module to be in an active state, the second control state is to control the second transmitting module to be in an active state.

A specific circuit diagram is shown in FIG. 7. The remote controller is provided with a micro control unit 10 connected to a power source 11 of a remote controller. The first infrared photodiode and the second transmitting module are connected in parallel to the power source U. And a path between the micro control unit 10, the switching key 5 controls a path between the power source and the micro control unit to be opened or closed, such that the micro control unit 10 is in the first control state An infrared photodiode 8 is powered to supply power to the second infrared photodiode 9 in the second control state.

The switch key 5 has a bar cup structure, and the switch keys respectively correspond to the first control state and the second control state when they are located on both sides of the fulcrum of the lever structure; or the switch key 5 has a slide switch structure, When the switching keys are located at both ends of the slide switch, respectively corresponding to the first control state and the second control state.

The above process will be described as follows with reference to Figs. 3 and 7.

The switch key 5 has a slide switch structure. When the slide switch key 5 closes the circuit i, the first control state (high level) is supplied to the micro control unit 10 via the power source 11, and the micro control unit 10 is the first infrared light source. The diode 8 is powered, at this time, if the user presses the button of the remote control, the micro control The unit 10 detects that the circuit corresponding to the button is connected, and determines which button the user has pressed. Then, the micro control unit 0 sends a password signal corresponding to the button, and the signal is amplified by the transistor. The first infrared photodiode 8 is sent to the first infrared photodiode 8. At this time, the first infrared photodiode 8 is powered, and the first infrared photodiode 8 transmits the password signal to the infrared receiving area 6 of the television to control the television to execute. Corresponding action, while the second infrared photodiode 9 is not powered, the Bayu makes the acquisition module 2 collect the surrounding noise signal, and the second infrared photodiode 9 does not transmit the signal to the television.

Similarly, when the switch key 5 slides off the circuit, the second control state (low level) is supplied to the micro control unit 10 through the power source 1 1 , and the micro control unit 10 supplies power to the second infrared photodiode 9 The sound signal of the user collected by the acquisition module 2 is transmitted to the infrared receiving area 6 of the television. At this time, if the user presses the button of the remote controller, since the first infrared photodiode 8 is not powered, the password signal of the button is not Launched to the TV.

The first control state described above corresponds to a high level, and the second control state corresponds to a low level, which is merely an example, and may actually be set to different levels as needed.

Preferably, the switching button is disposed on the side of the remote controller. When the user pushes the switching button, the first transmitting module is in an active state, and when the user pushes the switching button, the second transmitting module Being at work, improving the user experience.

Further, in the present invention, the example in which the top end is "one end" - giant. The bottom end is taken as the "other end". However, the present invention is not limited thereto, and both sides may be used as one end and the other end, respectively.

The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

Claims

1. A remote control for a television set. A first transmitting module is provided at one end of the remote control, configured to send user remote control instructions to the television set through at least one first infrared photodiode. The characteristics of the remote control include:

The collection module is used to collect the user's voice signal; and

At least one second transmitting module provided at the other end of the remote control is used to transmit the sound signal to the television, so that the television plays the sound signal.

2. The remote control of the television set according to claim 1, characterized in that the collection module is arranged at one end of the remote control.

3. The remote control of the television set according to claim 1 or 2, characterized in that the collection module collects the sound signal through a sound sensor.

4. The remote control for a television set according to claim 3, wherein the sound sensor is provided at one end of the remote control.

5. The remote control of the television set according to any one of claims 1 to 4, characterized in that the second transmitting module includes:

The conversion submodule is used to perform analog-to-digital conversion of the collected user's voice signal into an electrical signal;

Modulation submodule, used to perform infrared carrier modulation on the converted electrical signal to obtain an infrared carrier modulated signal;

Amplification processing sub-module, used to amplify the infrared carrier modulation signal; and

A transmitting submodule, configured to transmit the amplified infrared carrier modulated signal to the television, so that after the television receives the amplified infrared carrier modulated signal, it transmits the amplified infrared carrier modulated signal to the television. After the modulated signal is demodulated, it is restored to a sound signal and the restored sound signal is played.

6. The remote control for a television set according to claim 5, wherein the transmitting sub-module is composed of at least one second infrared photodiode.

7. The remote control of the television set according to any one of claims 1 to 6, characterized in that the remote control is further provided with a switch for switching between the first control state and the second control state. key, wherein the first control state is to control the first transmitting module to be in a working state, and the second control state is to control the second transmitting module to be in a working state.

8. The remote control of the television set according to claim 7, wherein the remote control is provided with a micro control unit connected to the power supply of the remote control, and the first infrared photodiode and the second infrared photodiode The diode is connected in parallel to the path between the power supply and the micro control unit; the switch key is specifically used to control the opening or closing of the path between the power supply and the micro control unit, so that the micro control unit In a control state, power is supplied to the first infrared photodiode, and in a second control state, power is supplied to the second infrared photodiode.

9. The remote control of the television set according to claim 8, wherein the switch key has a lever structure, wherein when the switch key is located on both sides of the fulcrum of the lever structure, it corresponds to the first control state and the first control state respectively. the second control state.

10. The remote control of the television set according to claim 8, wherein the switching key has a sliding switch structure, wherein the switching key respectively corresponds to the first control when located at both ends of the sliding switch. state and the second control state.

11. The remote control of the television set according to any one of claims 7 to 10, characterized in that the switching key is provided on the side of the remote control.