CN205610845U - Transmission device of high -definition audio and video signal - Google Patents
Transmission device of high -definition audio and video signal Download PDFInfo
- Publication number
- CN205610845U CN205610845U CN201620384623.8U CN201620384623U CN205610845U CN 205610845 U CN205610845 U CN 205610845U CN 201620384623 U CN201620384623 U CN 201620384623U CN 205610845 U CN205610845 U CN 205610845U
- Authority
- CN
- China
- Prior art keywords
- circuit
- audio
- receiving terminal
- video
- transmitting terminal
- 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.)
- Active
Links
Abstract
The utility model provides a transmission device of high -definition audio and video signal, includes dispensing device, commercial power circuit and receiving arrangement, dispensing device and receiving arrangement are equipped with HDMI interface, electric wire and mains supply plug respectively, receiving terminal microcontroller output hookup video decoding circuit, the infrared receipt of receiving terminal and transmitting circuit and receiving terminal network interface circuit, the input hookup is sent out and is received network interface circuit. Beneficial effect: adopt the illumination or the electric socket electric power of family just can carry out the transmission of audio frequency and video for transmission medium, satisfy different country's electric power demand voltage and support AC110 AC220V. Through network commentaries on classics electric power module circuit and electric power commentaries on classics network module circuit, realized the function that can transmit the HDMI signal through commercial power circuit, microcontroller and infrared ray are received and are made things convenient for remote operation with transmitting circuit messenger user, have promoted user experience.
Description
Technical field
This utility model belongs to data transmission device, a kind of high resolution audio and video signal
Transmitting device.
Background technology
The broadcasting of video is that one is demonstrated intuitively, it is possible to make user intuitively understand various information,
And HDMI technology becomes the broadcasting achieving HD video, substantially increase the experience of user；But
The transmission range being existing HDMI transmission line is limited, the most not can exceed that 8 meters, so that
The application scenarios of HDMI becomes limited, occurs in that for this and a kind of uses setting of network cable transmission HDMI
Standby；Although this equipment can increase the transmission range of HDMI, but needs rewiring, from
And the occasion of some inconvenience wiring cannot be met, therefore application scenarios is restricted.
In order to solve this problem, the patent application of Application No. CN200820189486.8 carries
Supply the conversion module of a kind of power line transmission HDMI signal, but this patent application can only be simple
Realization with electric power transmit HDMI signal, not aspect user remote control transmission and receive equipment,
Can not meet actually used in needs.
Utility model content
This utility model aims to provide the transmitting device of a kind of high resolution audio and video signal, solves HDMI
Long range propagation is difficult and facilitates the remote-operated problem of user.
In order to solve the problems referred to above, this utility model by the following technical solutions, a kind of high sore throat relieving
The transmitting device of video signal, including dispensing device, line and reception device, sends dress
Put and receive device and be respectively equipped with HDMI, electric wire and mains supply plug；Playback equipment
HDMI couple with the HDMI of described dispensing device, the mains supply of described dispensing device
Plug couples with mains power socket, described mains power socket and the civil power of described reception device
Attaching plug couples, and high resolution audio and video display device connects with the HDMI of described reception device
Mouth couples, and as technological improvement of the present utility model, dispensing device is provided with sending module, sends
Module includes:
Transmitting terminal electronic circuit power module, for being transformed to direct current by transmitting terminal external AC
Electricity, provides power supply for dispensing device；
Audio frequency and video receive circuit, for the audio-video signal received is digitized process；
Audio/video coding circuit, for being encoded into network by the audio-video signal after digitized processing
Packet；
Transmitting terminal network interface circuit, is processed into the net of standard for transmitting terminal by network packet
The network signal of telecommunication；
Network turns power module circuit, for network packet is processed into the network telecommunication of standard
Number it is loaded into power system and carrier signal is converted to network signal；
Transmitting terminal infrared receiver and transtation mission circuit, be used for receiving and sending infrared signal；
Transmitting terminal microcontroller, adjusts for the instruction between transmitting terminal initiation parameter and each module
Degree；
Described transmitting terminal electronic circuit power module outlet couple respectively audio frequency and video receive circuit,
Audio/video coding circuit, transmitting terminal network interface circuit and network turn power module circuit, institute
State audio/video coding circuit input end and couple audio frequency and video reception circuit, transmitting terminal network interface electricity
Road, described transmitting terminal network interface circuit output connected networks turn power module；
Described transmitting terminal microcontroller output couples audio/video coding circuit, transmitting terminal is infrared connects
Receiving and transtation mission circuit and transmitting terminal network interface circuit, described transmitting terminal microcontroller input joins
Sending and receiving sending end network interface circuit；
Receiving device and be provided with receiver module, receiver module includes:
Transmitting/receiving electronic circuit power module, for being transformed to direct current by receiving terminal external AC
Electricity, provides power supply for receiving device；
Audio frequency and video output circuit, is used for obtaining packet, and is regarded by the packet transmission sound of acquirement
Frequently decoding circuit；
Audio/video decoding circuit, reverts to audio frequency and video letter after the decoded packet data received
Number, and the signal format according to transmitting terminal is exported audio-video signal；
Receiving terminal network interface circuit, is processed into the net of standard for receiving terminal by network telecommunication number
Network packet；
Electric power turns mixed-media network modules mixed-media circuit, will collect carrier signal and carry out processing change from power system
Become network signal,
Receiving terminal infrared receiver and transtation mission circuit, be used for receiving and sending infrared signal,
Receiving terminal microcontroller, adjusts for the instruction between receiving terminal initiation parameter and each module
Degree；
Described receiving terminal electronic circuit power module outlet couple respectively audio frequency and video transtation mission circuit,
Audio/video decoding circuit, receiving terminal network interface circuit, electric power turn mixed-media network modules mixed-media circuit, described
Audio/video decoding circuit output end couples audio frequency and video transtation mission circuit and receiving terminal network interface respectively
Circuit, described receiving terminal network interface circuit outfan couples electric power and turns mixed-media network modules mixed-media；
Described receiving terminal microcontroller output couples audio/video decoding circuit, receiving terminal is infrared connects
Receiving and transtation mission circuit and receiving terminal network interface circuit, described receiving terminal microcontroller input joins
Sending and receiving receive network interface circuit.
As further improvement of the utility model, described transmitting terminal infrared receiver and transtation mission circuit
It is provided with transmitting terminal infrared receiver and the infrared transmitting element of transmitting terminal；Described receiving terminal is infrared to be connect
Receive and be provided with receiving terminal infrared receiver and the infrared transmitting element of receiving terminal, each list with transtation mission circuit
Unit is all infrared with user side to be coupled.
As further improvement of the utility model, described transmitting terminal microcontroller is provided with transmitting terminal
Parameter configuration unit and transmitting terminal instruction dispatch unit.
As further improvement of the utility model, described receiving terminal microcontroller is provided with receiving terminal
Parameter configuration unit and receiving terminal instruction dispatch unit.
As further improvement of the utility model, described transmitting terminal network interface circuit includes sending out
Sending end level conversion unit and transmitting terminal carrier signal converting unit.
As further improvement of the utility model, described receiving terminal network interface circuit includes connecing
Receiving end level conversion unit and receiving terminal carrier signal converting unit.
Beneficial effect: using the illumination of family or electrical outlets electric power is that transmission medium is the most permissible
Carry out the transmission of image, meet the electricity needs voltage support AC110-AC240V of country variant,
Can expand to 1 to many, and multi-to-multi, can also realize while transmission image and sound
The transmission of infrared control signal, thus realize the control to remote equipment.Can also extend according to this
Transmit such as more audio-video signal: HDMI, VGA, DVI, SDI, DP etc. are all to be regarded
Frequently signal.Turn power module circuit by network and electric power turns mixed-media network modules mixed-media circuit, it is achieved that can
To be transmitted the function of HDMI signal, microcontroller and infrared receiver by line and to send out
Power transmission road makes the convenient remotely operation of user, improves Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below will be to reality
Execute the required accompanying drawing used during example describes to briefly introduce, it will be apparent that in describing below
Accompanying drawing is only embodiments more of the present utility model, comes for those of ordinary skill in the art
Say, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the apparatus structure of the transmitting device offer of a kind of high resolution audio and video signal of this utility model
Schematic diagram；
Fig. 2 is the circuit structure of the transmitting device offer of a kind of high resolution audio and video signal of this utility model
Block diagram.
In figure, mark is followed successively by: 1. high resolution audio and video interface, 2. civil power electric wire, 3. mains supply plug.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below
In conjunction with the drawings and specific embodiments, this utility model is described in further detail.
A kind of high resolution audio and video signal that this utility model one embodiment provides as shown in Figure 1-2
Transmitting device, including dispensing device, line and reception device, dispensing device and reception
Device is respectively equipped with HDMI, electric wire and mains supply plug-in power pack plug according to different need
Seek kinds such as can be replaced Australia's rule, U.S. rule, English rule, with the electric power need of satisfied whole world country variant
Seek voltage support AC110-AC240V；Playback equipment couples with the HDMI of dispensing device,
The mains supply plug of dispensing device couples with mains power socket, mains power socket and reception
The mains supply plug of device couples, and the HDMI receiving device shows with high resolution audio and video
The HDMI of equipment couples, and dispensing device is provided with sending module, transmitting terminal electronic circuit electricity
Source module, for transmitting terminal external AC being transformed to unidirectional current for device,
Transmitting terminal electronic circuit power module, for being transformed to direct current by transmitting terminal external AC
Electricity, provides power supply for dispensing device；
Audio frequency and video receive circuit, for the audio-video signal received is digitized process；
Audio/video coding circuit, for being encoded into network by the audio-video signal after digitized processing
Packet；
Transmitting terminal network interface circuit, is processed into the net of standard for transmitting terminal by network packet
The network signal of telecommunication；
Network turns power module circuit, for network packet is processed into the network telecommunication of standard
Number it is loaded into power system and carrier signal is converted to network signal；
Transmitting terminal infrared receiver and transtation mission circuit, be used for receiving and sending infrared signal；
Transmitting terminal microcontroller, adjusts for the instruction between transmitting terminal initiation parameter and each module
Degree；
Described transmitting terminal electronic circuit power module outlet couple respectively audio frequency and video receive circuit,
Audio/video coding circuit, transmitting terminal network interface circuit and network turn power module circuit, institute
State audio/video coding circuit input end and couple audio frequency and video reception circuit, transmitting terminal network interface electricity
Road, described transmitting terminal network interface circuit output connected networks turn power module；
Described transmitting terminal microcontroller output couples audio/video coding circuit, transmitting terminal is infrared connects
Receiving and transtation mission circuit and transmitting terminal network interface circuit, described transmitting terminal microcontroller input joins
Sending and receiving sending end network interface circuit；
Receiving device and be provided with receiver module, receiver module includes:
Transmitting/receiving electronic circuit power module, for being transformed to direct current by receiving terminal external AC
Electricity, provides power supply for receiving device；
Audio frequency and video output circuit, is used for obtaining packet, and is regarded by the packet transmission sound of acquirement
Frequently decoding circuit；
Audio/video decoding circuit, reverts to audio frequency and video letter after the decoded packet data received
Number；And the signal format according to transmitting terminal is exported audio-video signal.
Receiving terminal network interface circuit, is processed into the net of standard for receiving terminal by network telecommunication number
Network packet；
Electric power turns mixed-media network modules mixed-media circuit, will collect carrier signal and carry out processing change from power system
Become network signal,
Receiving terminal infrared receiver and transtation mission circuit, be used for receiving and sending infrared signal,
Receiving terminal microcontroller, adjusts for the instruction between receiving terminal initiation parameter and each module
Degree；
Described receiving terminal electronic circuit power module outlet couple respectively audio frequency and video transtation mission circuit,
Audio/video decoding circuit, receiving terminal network interface circuit, electric power turn mixed-media network modules mixed-media circuit, described
Audio/video decoding circuit input end couples audio frequency and video respectively and receives circuit and receiving terminal network interface
Circuit, described receiving terminal network interface circuit outfan couples electric power and turns mixed-media network modules mixed-media；
Described receiving terminal microcontroller output couples audio/video decoding circuit, receiving terminal is infrared connects
Receiving and transtation mission circuit and receiving terminal network interface circuit, described receiving terminal microcontroller input joins
Connect receiving terminal network interface circuit.
The infrared receiving circuit of receiving terminal infrared receiver and dispensing device is by the telecommand of user
It is acquired the direction transmission contrary with transmission of video and data is delivered to sending module, by sending
End infrared receiver and the transtation mission circuit in transtation mission circuit, become infrared signal to sending out by ultra-red order
The equipment such as the signal source such as DVD sending module transmitting terminal are controlled.Transmitting terminal infrared receiver with send out
The telecommand of user is acquired identical with transmission of video by the circuit that receives in power transmission road
Data are delivered to receiver module by direction transmission, by receiving terminal infrared receiver and transtation mission circuit
Transtation mission circuit, becomes the equipment such as television set of infrared signal docking facilities receiving terminal by ultra-red order
It is controlled such as operations such as switch TVs Deng equipment.
Described transmitting terminal infrared receiver and transtation mission circuit be provided with transmitting terminal infrared receiver with
The infrared transmitting element of transmitting terminal；Receiving terminal infrared receiver and transtation mission circuit are provided with that receiving terminal is infrared to be connect
Receiving unit and the infrared transmitting element of receiving terminal, each unit is all infrared with user side to be coupled.
Described transmitting terminal microcontroller is provided with initiator parameters dispensing unit and transmitting terminal instruction
Scheduling unit.
Described receiving terminal microcontroller is provided with receiving terminal parameter configuration unit and receiving terminal instruction
Scheduling unit.
Described transmitting terminal network interface circuit includes transmitting terminal level conversion unit and transmitting terminal
Carrier signal converting unit.
Described receiving terminal network interface circuit includes receiving terminal level conversion unit and receiving terminal
Carrier signal converting unit.
Utility model works principle is: dispensing device: external AC is transformed to unidirectional current
For device, support AC110V-240V input, it is possible to use the mains system of country variant
Audio frequency and video receive the audio-video signal such as HDMI SD I VGA DP AV etc. that circuit will receive
Signal be digitized process, audio/video coding circuit by data complete for digitized processing according to
H.264 agreement carries out being encoded into network packet and delivers to network interface circuit, this network interface electricity
Road through level conversion and be processed into standard network telecommunication number and be communicated to network signal load
Access power system after power line module circuit also to be responsible for carrier signal is converted to network simultaneously
Signal is a duplex mode of operation
Receive device: network signal loads power line module circuit will collect load from power system
Ripple signal carry out process become network signal send to receiving terminal network interface circuit, this circuit warp
Over level conversions etc. obtain packet after processing, and give audio/video decoding by the packet of acquirement
Circuit, reverts to audio-video signal and sends extremely after the decoded packet data that this decoding circuit will receive
Video output circuit, the signal format according to transmitting terminal is exported various video signal ratios by this circuit
Such as HDMI SDI VGA DP AV etc., thus complete the transmitting procedure of signal.
To sum up, it can be seen that use the illumination of family or electric from above-mentioned preferred embodiment
Outlet power is the transmission that transmission medium can be carried out image, meets the electric power need of country variant
Seek voltage support AC110-AC240V, can expand to 1 to many, and multi-to-multi, in transmission
The transmission of infrared control signal can also be realized while image and sound, thus realize far-end
The control of equipment.More video signal transmission can also be expanded to such as according to this: HDM I, VGA,
All audio-video signals such as DVI, SDI, DP.Power module circuit and electric power is turned by network
Turn mixed-media network modules mixed-media circuit, it is achieved that the function of HDMI signal can be transmitted by line,
Microcontroller and infrared receiver make the convenient remotely operation of user with transtation mission circuit, improve user
Experience.
It will be apparent to those skilled in the art that can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to this utility model scope of the claims.
Claims (6)
1. a transmitting device for high resolution audio and video signal, is respectively equipped with HDMI, electric wire and mains supply plug including dispensing device, line and reception device, dispensing device and reception device；The HDMI of described dispensing device couples with the HDMI of playback equipment, the mains supply plug of described dispensing device couples with mains power socket, described mains power socket couples with the mains supply plug of described reception device, the HDMI of described reception device couples with high resolution audio and video display device, it is characterized in that: dispensing device is provided with sending module, sending module includes:
Transmitting terminal electronic circuit power module, for transmitting terminal external AC is transformed to unidirectional current, provides power supply for dispensing device；
Audio frequency and video receive circuit, for the audio-video signal received is digitized process；
Audio/video coding circuit, for being encoded into network packet by the audio-video signal after digitized processing；
Transmitting terminal network interface circuit, is processed into the network telecommunication number of standard for transmitting terminal by network packet；
Network turns power module circuit, is loaded into power system for network packet is processed into the network telecommunication number of standard and carrier signal is converted to network signal；
Transmitting terminal infrared receiver and transtation mission circuit, be used for receiving and sending infrared signal；
Transmitting terminal microcontroller, dispatches for the instruction between transmitting terminal initiation parameter and each module；
Described transmitting terminal electronic circuit power module outlet couples audio frequency and video reception circuit, audio/video coding circuit, transmitting terminal network interface circuit and network respectively and turns power module circuit, described audio/video coding circuit input end couples audio frequency and video and receives circuit, transmitting terminal network interface circuit, and described transmitting terminal network interface circuit output connected networks turn power module；
Described transmitting terminal microcontroller output couples audio/video coding circuit, transmitting terminal infrared receiver and transtation mission circuit and transmitting terminal network interface circuit, and described transmitting terminal microcontroller input couples transmitting terminal network interface circuit；
Receiving device and be provided with receiver module, receiver module includes:
Transmitting/receiving electronic circuit power module, for receiving terminal external AC is transformed to unidirectional current, provides power supply for receiving device；
Audio frequency and video output circuit, is used for obtaining packet, and the packet obtained is sent audio/video decoding circuit；
Audio/video decoding circuit, reverts to audio-video signal after the decoded packet data received, and the signal format according to transmitting terminal is exported audio-video signal；
Receiving terminal network interface circuit, is processed into the network packet of standard for receiving terminal by network telecommunication number；
Electric power turns mixed-media network modules mixed-media circuit, will collect carrier signal and carry out process and become network signal from power system,
Receiving terminal infrared receiver and transtation mission circuit, be used for receiving and sending infrared signal,
Receiving terminal microcontroller, dispatches for the instruction between receiving terminal initiation parameter and each module；
Described receiving terminal electronic circuit power module outlet couples that audio frequency and video receive circuit, audio/video decoding circuit, receiving terminal network interface circuit, electric power turn mixed-media network modules mixed-media circuit respectively, described audio/video decoding circuit output end couples audio frequency and video transtation mission circuit and receiving terminal network interface circuit respectively, and described receiving terminal network interface circuit input couples electric power and turns mixed-media network modules mixed-media；
Described receiving terminal microcontroller output couples audio/video decoding circuit, receiving terminal infrared receiver and transtation mission circuit and receiving terminal network interface circuit, and described receiving terminal microcontroller input couples reception network interface circuit.
The transmitting device of a kind of high resolution audio and video signal the most as claimed in claim 1, it is characterised in that: described transmitting terminal infrared receiver and transtation mission circuit are provided with transmitting terminal infrared receiver and the infrared transmitting element of transmitting terminal；Described receiving terminal infrared receiver and transtation mission circuit are provided with receiving terminal infrared receiver and the infrared transmitting element of receiving terminal, and each unit is all infrared with user side to be coupled.
The transmitting device of a kind of high resolution audio and video signal the most as claimed in claim 1, it is characterised in that: described transmitting terminal microcontroller is provided with initiator parameters dispensing unit and transmitting terminal instruction dispatch unit.
The transmitting device of a kind of high resolution audio and video signal the most as claimed in claim 1, it is characterised in that: described receiving terminal microcontroller is provided with receiving terminal parameter configuration unit and receiving terminal instruction dispatch unit.
The transmitting device of a kind of high resolution audio and video signal the most as claimed in claim 1, it is characterised in that: described transmitting terminal network interface circuit includes transmitting terminal level conversion unit and transmitting terminal carrier signal converting unit.
The transmitting device of a kind of high resolution audio and video signal the most as claimed in claim 1, it is characterised in that: described receiving terminal network interface circuit includes receiving terminal level conversion unit and receiving terminal carrier signal converting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620384623.8U CN205610845U (en) | 2016-04-29 | 2016-04-29 | Transmission device of high -definition audio and video signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620384623.8U CN205610845U (en) | 2016-04-29 | 2016-04-29 | Transmission device of high -definition audio and video signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610845U true CN205610845U (en) | 2016-09-28 |
Family
ID=56967988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620384623.8U Active CN205610845U (en) | 2016-04-29 | 2016-04-29 | Transmission device of high -definition audio and video signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107360456A (en) * | 2017-08-23 | 2017-11-17 | 深圳市朗强科技有限公司 | A kind of remote controlled multimedia dispensing device, reception device and Transmission system |
| CN113765542A (en) * | 2020-06-02 | 2021-12-07 | 施耐德电气（澳大利亚）有限公司 | Power line communication processing circuit, operation method thereof and communication system |
-
2016
- 2016-04-29 CN CN201620384623.8U patent/CN205610845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107360456A (en) * | 2017-08-23 | 2017-11-17 | 深圳市朗强科技有限公司 | A kind of remote controlled multimedia dispensing device, reception device and Transmission system |
| CN113765542A (en) * | 2020-06-02 | 2021-12-07 | 施耐德电气（澳大利亚）有限公司 | Power line communication processing circuit, operation method thereof and communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209526823U (en) | It is a kind of wirelessly to throw screen relay device and wirelessly throw screen system | |
| CN204316626U (en) | HDMI audio frequency and video switching device shifter can be extended | |
| CN202918413U (en) | Signal transmission system based on coaxial cable | |
| CN104333789A (en) | On-screen interacting system and control method thereof | |
| CN205610845U (en) | Transmission device of high -definition audio and video signal | |
| CN104158960A (en) | Vehicle-mounted mobile phone interconnecting device | |
| CN204539375U (en) | A kind of intelligent home control device based on television network broadcast home gateway | |
| CN203279031U (en) | MHL-HDMI converting and receiving unit and television with same | |
| CN208739279U (en) | A kind of audio-video transmission system | |
| CN202075963U (en) | Display device combining communication and transmission of power line | |
| CN104539993A (en) | Broadcast high-definition television access device and method based on USB video transmission | |
| CN103780953A (en) | Multimedia signal transmission method and system | |
| CN210958555U (en) | HDMI twisted-pair IP extender | |
| CN102572361B (en) | High-resolution remote video transmitting and encoding equipment | |
| CN204104077U (en) | With shielding interaction systems | |
| CN202424901U (en) | High-definition long-distance video transmission coding device | |
| CN207802170U (en) | A kind of multi-path HDMI interfaces codec terminal system | |
| CN204810420U (en) | Signal transmission device and hypersystem | |
| CN109688361A (en) | A kind of audio-video transmission system | |
| CN205921695U (en) | System for IP signal transmits on coaxial line | |
| CN204244406U (en) | A kind of interconnection device possessing the Web TV of LCDs | |
| CN204259027U (en) | A kind of interconnection device being applicable to the Web TV of remote control in dark surrounds | |
| CN204259035U (en) | A kind of interconnection device with the Web TV of anti-skidding remote controller | |
| CN204259025U (en) | A kind of interconnection device possessing the Web TV of heat dispersion | |
| CN204259033U (en) | A kind of interconnection device of Suspensible Web TV |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |