CN109194995A - A kind of control and its test method of set-top box - Google Patents
A kind of control and its test method of set-top box Download PDFInfo
- Publication number
- CN109194995A CN109194995A CN201811099544.2A CN201811099544A CN109194995A CN 109194995 A CN109194995 A CN 109194995A CN 201811099544 A CN201811099544 A CN 201811099544A CN 109194995 A CN109194995 A CN 109194995A
- Authority
- CN
- China
- Prior art keywords
- signal
- module
- voice
- top box
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42203—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] sound input device, e.g. microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Details Of Television Systems (AREA)
- Selective Calling Equipment (AREA)
Abstract
The present invention relates to set-top box technique fields, especially a kind of control of set-top box, including set-top box, central processing unit is equipped in set-top box, central processing unit is electrically connected with reservoir, central processing unit is electrically connected with television signal receiver module, set-top box is wirelessly connected with RF remote, RF remote includes processing chip, key mapping panel, feel module, signal adapter, signal projector, voice microphone, voice acquisition module, Bluetooth adapter and voice signal sending module, infrared remote receiver is equipped in set-top box, adaptation, radio frequency chip, signal transmission module, voice microphone is equipped in RF remote, voice acquisition module, Bluetooth adapter, voice signal sending module, voice signal receiving module is equipped in set-top box, audio identification module, microchip, audio converter.Benefit of the invention can carry out the switching and setting of program by being manually entered control command and voice sending control command.
Description
Technical field
The present invention relates to set-top box technique field more particularly to a kind of controls of set-top box.
Background technique
Box on digital video switching box, commonly referred to as set-top box or machine is a connection television set and outside source
Equipment, the digital signal of compression can be changed into television content by it, and be shown on a television set, and signal can come from wired
Cable, satellite antenna, broadband network and terrestrial broadcasting, the figure that the received content of set-top box can be provided in addition to simulated television
Except picture, sound, more it is that digital content, including electronic program guides, internet webpage, subtitle etc. can be received, uses
Family can watch digital television program on existing television set, and formula digitlization amusement, education and quotient can be interacted by network
Industry activity, with popularizing for TV, TV increasingly becomes family's electrfic centre in public family, and existing TV substantially uses
Conventional set-top box receives cable TV signal, but conventional television set-top box is inconvenient to that novel phonetic controller is used to be controlled
System, prevent the problem of conventional television set-top box is from using voice remote control technology.
Summary of the invention
The purpose of the present invention is to solve exist in the prior art cannot use voice remote control the shortcomings that, and propose one
The control of kind set-top box.
To achieve the goals above, present invention employs following technical solutions:
A kind of control of set-top box, including set-top box are designed, is equipped with central processing unit, the centre in the set-top box
Reason device is electrically connected with reservoir, and the central processing unit is electrically connected with television signal receiver module, and the TV signal connects
It receives module and is electrically connected with signal conversion module, the signal conversion for receiving digital television signal, the central processing unit
Module includes tuner, code modulation decoder, Video Output Modules and audio output module, and the tuner and code modulation decoder are electric
Property connection, the effect of the tuner is to be changed into intermediate-freuqncy signal after TV signal is subject to amplification, the code modulation decoder
Effect is that digital video-audio data stream is reduced into simulation video/audio signal, the Video Output Modules and audio output mould
Block is electrically connected with code modulation decoder, and the Video Output Modules and audio output module are connected with TV by data line and set
Standby, the Video Output Modules and audio output module can will be shown on decoded analog signal output to television equipment
Come, the set-top box is wirelessly connected with RF remote, and the RF remote includes processing chip, key mapping panel, thoughts and feelings mould
Block, signal adapter, signal projector, voice microphone, voice acquisition module, Bluetooth adapter and voice signal sending module,
The key mapping panel and thoughts and feelings module be electrically connected, the thoughts and feelings module and processing chip be electrically connected, the processing chip and
Signal adapter is electrically connected, and the signal adapter and signal projector are electrically connected, and the thoughts and feelings module is for feeling key
Key mapping order on plane plate, then transfers signals to processing chip, and the processing chip controls signal adapter is by signal
It is converted into infrared pulse signal, signal is then launched outward by signal projector, is equipped with infrared remote receiver in the set-top box,
The infrared remote receiver is used to receive the infrared signal of signal projector transmitting, and the infrared remote receiver is electrically connected with matching
Device, the adaptation are electrically connected with radio frequency chip, and the radio frequency chip is electrically connected with signal transmission module, and the signal passes
Defeated module is electrically connected with the central processing unit, and the adaptation is for received infrared signal to be adjusted and amplify, then
Infrared signal identified and decoded by radio frequency chip, and decoded signal is transferred to central processing by the signal transmission module
Device, then central processing unit control tuner amplifies corresponding TV signal, is equipped with voice microphone in the RF remote,
The voice microphone is electrically connected with voice acquisition module, and the voice acquisition module and processing chip are electrically connected, the place
Reason chip is electrically connected with Bluetooth adapter, and the Bluetooth adapter is electrically connected with voice signal sending module, the voice
Microphone is used for user's typing voice command, and then voice acquisition module is acquired voice and is converted into signal transmission everywhere
Chip is managed, the processing chip converts voice signals into short-distance wireless wave frequency by controlling Bluetooth adapter, then passes through
Voice signal sending module is sent out, and voice signal receiving module is equipped in the set-top box, and the voice signal receives mould
Block is electrically connected with audio identification module, and the audio identification module is electrically connected with microchip, and the microchip is electrical
It is connected with audio converter, the audio converter is electrically connected with the central processing unit, and the voice signal receiving module is used for
The voice signal that RF remote is sent out is received, the RF remote is identified and compiled to received voice signal
Code is sent to microchip, and the microchip control audio converter is decoded voice signal and is sent to central processing
Device, then central processing unit control tuner amplifies corresponding TV signal.
Preferably, the reservoir is PCIE flash card.
Preferably, the radio frequency chip is RF radio frequency chip.
Preferably, the set-top box is circumscribed with power supply device.
Preferably, power supply is equipped in the RF remote.
The present invention also provides a kind of test methods of the control of set-top box, include the following steps:
S1, starting set-top box and television equipment, check connection line；
S2, the hardware driving for starting set-top box connect TV signal output end, observation television equipment loading page；
S3, RF remote is opened, by giving an order on key mapping panel, the page of observation television equipment changes；
If the page of S4, television equipment does not make corresponding instruction variation, connection line and TV signal end are detected, if
There is corresponding instruction variation in the page of television equipment, then continues speech detection；
S5, voice microphone is opened, says phonetic order, the page variation of observation television equipment；
If the page of S6, television equipment does not make corresponding instruction variation, detects Bluetooth pairing situation and whether have letter
Number jamming equipment tests completion if corresponding instruction variation occurs in the page of television equipment.
A kind of control of set-top box proposed by the present invention, beneficial effect are: RF remote on the one hand can be with key mapping face
Plate exports corresponding control instruction, to realize the switching of programme signal, another aspect RF remote can be talked about by voice
Cylinder says control instruction, and set-top box realizes the conversion of control instruction by corresponding signal translating system, so that section can also be realized
The switching of mesh signal.
Detailed description of the invention
Fig. 1 is a kind of system block diagram of the control of set-top box proposed by the present invention；
Fig. 2 is a kind of system block diagram of the RF remote of the control of set-top box proposed by the present invention.
In figure: set-top box 1, central processing unit 11, television signal receiver module 12, reservoir 13, signal conversion module 14,
Tuner 141, code modulation decoder 142, Video Output Modules 143, audio output module 144, infrared remote receiver 15, adaptation
16, radio frequency chip 17, signal transmission module 18, voice signal receiving module 19, audio identification module 191, microchip 192,
Audio converter 193, control signal transmitting module 194, television equipment 2, RF remote 3, processing chip 31, key mapping panel
32, feel module 33, signal adapter 34, signal projector 35, voice microphone 36, voice acquisition module 37, Bluetooth adapter
38, voice signal sending module 39.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of control of set-top box, including set-top box 1, set-top box 1 are circumscribed with power supply device, set-top box 1
Interior to be equipped with central processing unit 11, central processing unit 11 is electrically connected with reservoir 13, and reservoir 13 is PCIE flash card, centre
Reason device 11 is electrically connected with television signal receiver module 12, and television signal receiver module 12 is used to receive digital television signal, in
Central processor 11 is electrically connected with signal conversion module 14, signal conversion module 14 include tuner 141, code modulation decoder 142,
Video Output Modules 143 and audio output module 144, tuner 141 and code modulation decoder 142 are electrically connected, tuner 141
Effect is to be changed into intermediate-freuqncy signal after TV signal is subject to amplification, and the effect of code modulation decoder 142 is by digital video-audio number
According to stream decoded back at simulation video/audio signal, Video Output Modules 143 and audio output module 144 are and code modulation decoder
142 electric connections, Video Output Modules 143 and audio output module 144 are connected with television equipment 2 by data line, and video is defeated
Module 143 and audio output module 144 can will be shown on decoded analog signal output to television equipment 2 out.
Set-top box 1 is wirelessly connected with RF remote 3, and power supply is equipped in RF remote 3, and RF remote 3 includes place
Manage chip 31, key mapping panel 32, thoughts and feelings module 33, signal adapter 34, signal projector 35, voice microphone 36, voice collecting
Module 37, Bluetooth adapter 38 and voice signal sending module 39, key mapping panel 32 and thoughts and feelings module 33 are electrically connected, and feel mould
Block 33 and processing chip 31 are electrically connected, and processing chip 31 and signal adapter 34 are electrically connected, signal adapter 34 and signal
Transmitter 35 is electrically connected, and thoughts and feelings module 33 is used to feel the key mapping order on key mapping panel 32, then transfers signals to place
Chip 31 is managed, processing chip 31 controls signal adapter 34 and converts the signal into infrared pulse signal, then emits by signal
Device 35 launches outward signal.
Infrared remote receiver 15 is equipped in set-top box 1, infrared remote receiver 15 is used to receive the infrared of the transmitting of signal projector 35
Signal, infrared remote receiver 15 are electrically connected with adaptation 16, and adaptation 16 is electrically connected with radio frequency chip 17, and radio frequency chip 17 is
RF radio frequency chip, radio frequency chip 17 are electrically connected with signal transmission module 18,11 electricity of signal transmission module 18 and central processing unit
Property connection, adaptation 16 for received infrared signal to be adjusted and amplify, then radio frequency chip 17 by infrared signal into
Decoded signal is transferred to central processing unit 11 by row identification and decoding, signal transmission module 18, then central processing unit 11
Control tuner 141 amplifies corresponding TV signal, voice microphone 36 is equipped in RF remote 3, voice microphone 36 is electrically
It is connected with voice acquisition module 37, voice acquisition module 37 and processing chip 31 are electrically connected, and processing chip 31 is electrically connected with
Bluetooth adapter 38, Bluetooth adapter 38 are electrically connected with voice signal sending module 39, and voice microphone 36 is recorded for user
Enter voice command, then voice acquisition module 37, which is acquired voice and is converted into signal, is transmitted to processing chip 31, processing
Chip 31 converts voice signals into short-distance wireless wave frequency by controlling Bluetooth adapter 38, is then sent by voice signal
Module 39 is sent out.
Voice signal receiving module 19 is equipped in set-top box 1, voice signal receiving module 19 is electrically connected with audio identification
Module 191, audio identification module 191 are electrically connected with microchip 192, and microchip 192 is electrically connected with audio converter
193, audio converter 193 and central processing unit 11 are electrically connected, and voice signal receiving module 19 is for receiving RF remote 3
The voice signal sent out, RF remote 3, which identifies received voice signal and carries out coding, is sent to microchip
192, microchip 192 control audio converter 193 voice signal is decoded and is sent to central processing unit 11, then in
Central processor 11 controls tuner 141 and amplifies corresponding TV signal.
The present invention also provides a kind of test methods of the control of set-top box, include the following steps:
S1, starting set-top box and television equipment, check connection line；
S2, the hardware driving for starting set-top box connect TV signal output end, observation television equipment loading page；
S3, RF remote is opened, by giving an order on key mapping panel, the page of observation television equipment changes；
If the page of S4, television equipment does not make corresponding instruction variation, connection line and TV signal end are detected, if
There is corresponding instruction variation in the page of television equipment, then continues speech detection；
S5, voice microphone is opened, says phonetic order, the page variation of observation television equipment；
If the page of S6, television equipment does not make corresponding instruction variation, detects Bluetooth pairing situation and whether have letter
Number jamming equipment tests completion if corresponding instruction variation occurs in the page of television equipment.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of control of set-top box, including set-top box (1), be equipped with central processing unit (11) in the set-top box (1), it is described in
Central processor (11) is electrically connected with reservoir (13), and the central processing unit (11) is electrically connected with television signal receiver module
(12), the television signal receiver module (12) is for receiving digital television signal, which is characterized in that the central processing unit
(11) it is electrically connected with signal conversion module (14), the signal conversion module (14) includes tuner (141), code modulation decoder
(142), Video Output Modules (143) and audio output module (144), the tuner (141) and code modulation decoder (142) electricity
Property connection, the effect of the tuner (141) is to be changed into intermediate-freuqncy signal, the modulatedemodulate after TV signal is subject to amplification
The effect of code device (142) is that digital video-audio data stream is reduced into simulation video/audio signal, the Video Output Modules
(143) it is electrically connected with code modulation decoder (142) with audio output module (144), the Video Output Modules (143) and sound
Frequency output module (144) is connected with television equipment (2) by data line, the Video Output Modules (143) and audio output mould
Block (144) can will show that the set-top box (1) wirelessly connects on decoded analog signal output to television equipment (2)
It is connected to RF remote (3), the RF remote (3) includes processing chip (31), key mapping panel (32), thoughts and feelings module
(33), signal adapter (34), signal projector (35), voice microphone (36), voice acquisition module (37), Bluetooth adapter
(38) it is electrically connected with voice signal sending module (39), the key mapping panel (32) and thoughts and feelings module (33), the thoughts and feelings mould
Block (33) and processing chip (31) are electrically connected, and the processing chip (31) and signal adapter (34) are electrically connected, the letter
Number converter (34) and signal projector (35) are electrically connected, and the thoughts and feelings module (33) is used to feel on key mapping panel (32)
Key mapping order, then transfers signals to processing chip (31), and processing chip (31) control signal adapter (34) will believe
Number it is converted into infrared pulse signal, then launches outward signal by signal projector (35), be equipped in the set-top box (1) red
Outer receiver (15), the infrared remote receiver (15) is used to receive the infrared signal of signal projector (35) transmitting, described infrared
Receiver (15) is electrically connected with adaptation (16), and the adaptation (16) is electrically connected with radio frequency chip (17), the radio frequency
Chip (17) is electrically connected with signal transmission module (18), and the signal transmission module (18) electrically connects with central processing unit (11)
It connects, the adaptation (16) is for received infrared signal to be adjusted and amplify, and then radio frequency chip (17) is by infrared letter
It number is identified and is decoded, decoded signal is transferred to central processing unit (11) by the signal transmission module (18), then
Central processing unit (11) controls tuner (141) and amplifies corresponding TV signal, is equipped with voice in the RF remote (3)
Microphone (36), the voice microphone (36) are electrically connected with voice acquisition module (37), the voice acquisition module (37) and place
It manages chip (31) to be electrically connected, the processing chip (31) is electrically connected with Bluetooth adapter (38), the Bluetooth adapter
(38) it is electrically connected with voice signal sending module (39), the voice microphone (36) is used for user's typing voice command, so
Voice acquisition module (37), which is acquired voice and is converted into signal, afterwards is transmitted to processing chip (31), the processing chip
(31) short-distance wireless wave frequency is converted voice signals by controlling Bluetooth adapter (38), is then sent by voice signal
Module (39) is sent out, and is equipped with voice signal receiving module (19) in the set-top box (1), the voice signal receiving module
(19) it being electrically connected with audio identification module (191), the audio identification module (191) is electrically connected with microchip (192),
The microchip (192) is electrically connected with audio converter (193), the audio converter (193) and central processing unit
(11) it is electrically connected, the voice signal receiving module (19) is for receiving the voice signal that RF remote (3) is sent out, institute
State RF remote (3) received voice signal is identified and carry out coding be sent to microchip (192), it is described miniature
Chip (192) control audio converter (193) is decoded voice signal and is sent to central processing unit (11), then central
Processor (11) controls tuner (141) and amplifies corresponding TV signal.
2. a kind of control of set-top box according to claim 1, which is characterized in that the reservoir (13) is PCIE flash memory
Card.
3. a kind of control of set-top box according to claim 1, which is characterized in that the radio frequency chip (17) is RF radio frequency
Chip.
4. a kind of control of set-top box according to claim 1, which is characterized in that the set-top box (1) is circumscribed with power supply
Device.
5. a kind of control of set-top box according to claim 1, which is characterized in that be equipped in the RF remote (3)
Power supply.
6. a kind of a kind of test method of the control of set-top box described in -5 according to claim 1, which is characterized in that including as follows
Step:
S1, starting set-top box and television equipment, check connection line；
S2, the hardware driving for starting set-top box connect TV signal output end, observation television equipment loading page；
S3, RF remote is opened, by giving an order on key mapping panel, the page of observation television equipment changes；
If the page of S4, television equipment does not make corresponding instruction variation, connection line and TV signal end are detected, if TV
There is corresponding instruction variation in the page of equipment, then continues speech detection；
S5, voice microphone is opened, says phonetic order, the page variation of observation television equipment；
If the page of S6, television equipment does not make corresponding instruction variation, detects Bluetooth pairing situation and whether have signal dry
Equipment is disturbed, if corresponding instruction variation occurs in the page of television equipment, tests completion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099544.2A CN109194995A (en) | 2018-09-20 | 2018-09-20 | A kind of control and its test method of set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099544.2A CN109194995A (en) | 2018-09-20 | 2018-09-20 | A kind of control and its test method of set-top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109194995A true CN109194995A (en) | 2019-01-11 |
Family
ID=64908761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811099544.2A Pending CN109194995A (en) | 2018-09-20 | 2018-09-20 | A kind of control and its test method of set-top box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109194995A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345819A (en) * | 2008-08-19 | 2009-01-14 | 中山大学 | Speech control system used for set-top box |
| CN104427370A (en) * | 2013-09-10 | 2015-03-18 | 深圳市启望科文技术有限公司 | Method and system for controlling set top box in voice |
| CN107018434A (en) * | 2015-09-11 | 2017-08-04 | Lg电子株式会社 | The method of digital device and its processing data |
| CN206490770U (en) * | 2016-11-30 | 2017-09-12 | 深圳市岚正科技有限公司 | There is the set top box and set-top-box system of far field and near field voice identification simultaneously |
-
2018
- 2018-09-20 CN CN201811099544.2A patent/CN109194995A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101345819A (en) * | 2008-08-19 | 2009-01-14 | 中山大学 | Speech control system used for set-top box |
| CN104427370A (en) * | 2013-09-10 | 2015-03-18 | 深圳市启望科文技术有限公司 | Method and system for controlling set top box in voice |
| CN107018434A (en) * | 2015-09-11 | 2017-08-04 | Lg电子株式会社 | The method of digital device and its processing data |
| CN206490770U (en) * | 2016-11-30 | 2017-09-12 | 深圳市岚正科技有限公司 | There is the set top box and set-top-box system of far field and near field voice identification simultaneously |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6560469B1 (en) | Microphone/speaker-contained wireless remote control system for internet device and method for controlling operation of remote controller therein | |
| CN102497609B (en) | Wireless network sound system | |
| CN201860405U (en) | Intelligent remote controller | |
| CN202904870U (en) | 2.4-GHz voice remote controller for cloud television | |
| CN109194995A (en) | A kind of control and its test method of set-top box | |
| CN203788416U (en) | Set top box | |
| CN103763595A (en) | Remote control video game terminal system based on MHL | |
| KR20030058118A (en) | Radio interfacing apparatus for digital television set-top box and plasma display apparatus | |
| WO2017032046A1 (en) | Real-time monitoring device for safe | |
| CN108055620B (en) | Wireless sound card device | |
| CN201741277U (en) | Voice chat remote controller | |
| CN102426769B (en) | Remote controller device and communication method | |
| CN201754299U (en) | Acoustic instruction remote control wireless transmitting device | |
| WO2020216089A1 (en) | Voice control system and method, and voice suite and voice apparatus | |
| CN205375792U (en) | Take remote controller of karaoke function | |
| CN101184180A (en) | Method of implementing remote controller with television function and remote control system | |
| CN201307915Y (en) | Wireless digital audio/video transmission apparatus as well as transmitting terminal and receiving terminal thereof | |
| CN103795946A (en) | Wireless voice remote control device of television set | |
| US20100228367A1 (en) | Data card for a computer system and related computer system | |
| CN103079142A (en) | Bass time delay adjusting system and bass time delay adjusting method for wireless subwoofer | |
| CN202454065U (en) | Wireless remote controller device with function of wireless earphones | |
| CN203368660U (en) | Interactive digital television system | |
| CN203151679U (en) | Power video transmitter | |
| CN207219024U (en) | A kind of remote-control radio wheat connects control system | |
| CN201608798U (en) | Multifunctional audio player |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
|
| RJ01 | Rejection of invention patent application after publication |