CN201726405U - Multi-service optical transmitter and receiver - Google Patents
Multi-service optical transmitter and receiver Download PDFInfo
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- CN201726405U CN201726405U CN2010202778414U CN201020277841U CN201726405U CN 201726405 U CN201726405 U CN 201726405U CN 2010202778414 U CN2010202778414 U CN 2010202778414U CN 201020277841 U CN201020277841 U CN 201020277841U CN 201726405 U CN201726405 U CN 201726405U
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Abstract
A multi-service optical transmitter and receiver comprises transmitters and receivers which are disposed in pairs; the electric signal terminals of the transmitters are connected with corresponding front stage equipments; the transmitter is connected with the starting end of a single-core remote transmission optical fiber by a transmitter optical fiber connector; the end of the single-core remote transmission optical fiber is connected with the receiver optical fiber connector of a receiver; the electric signal terminals of the receivers are connected with corresponding following stage equipments. The utility model achieves the advantages of large bandwidth, large transmission information content, high optical fiber utilization ratio, modularized design, great variety of interfaces, flexible configuration and high cost performance; can be provided with interfaces according to the practical engineering need of client, and can save cost effectively.
Description
Technical field
The utility model relates to a kind of optical transmission device, especially a kind ofly transmits the optical transceiver of multiple signal, specifically a kind of multiple business optical transmitter-receiver simultaneously by single optical fibre.
Background technology
Enter Chinese market based on the simulated light terminal of video transmission the end of the eighties, begins to be applied in monitoring ranges such as public security, traffic police are big, the control point distributes industry wide, long transmission distance.The simulated light terminal in this time mainly is to adopt the mode of analog fm, amplitude modulation, phase modulation that signals such as the video of base band, audio frequency, data are modulated on a certain carrier wave, realize--the light conversion, carry out remote transmission by optical fiber, the other end at optical fiber, pass through light again--demodulation is carried out in the electricity conversion, reverts to corresponding base band video, audio frequency, data-signal.The blank of domestic long-distance video transmission field has been filled up in the appearance of simulated light terminal, also makes industries such as urban public security management, intelligent transportation, safety monitoring obtain swift and violent development.But the simulated light terminal exist simple optical fiber realize the multiway images transmission difficulty, face and frequently crosstalk, make complexity, debugging maintenance trouble, problem such as affected by environment, long-term working stability difference easily.
Initial stage appears in optical transceiver, be mainly used to transmission of video, audio frequency, signals such as data, along with intelligent transportation, the public security bayonet socket, police service is looked into application and development such as call out the stops, except transmission of video and data-signal, the synchronous transmission Ethernet has been proposed again, the requirement of signals such as alarm switch amount, application along with public security three or four net transformations, single optical fibre synchronous transmission video has simultaneously been proposed again, audio frequency, data, Ethernet, E1, the demand that phone etc. are professional, because public security, clients such as traffic generally rent public network operator (telecommunications, move, UNICOM etc.) fiber optic network, resource-constrained, multiple business optical transmitter-receiver just under this background, for solve comprehensively client's multi-service simultaneously transmission demand develop.
Summary of the invention
The purpose of this utility model is limited at client's fiber resource, a kind of multiple business optical transmitter-receiver that need propose by the problem of multiple signals such as single optical fibre while transmission of video, audio frequency, data, Ethernet, E1, phone, switching value is the single fiber of remote transmission multiple business signal, the optical transceiver of transmitted in both directions.
The technical solution of the utility model is:
A kind of multiple business optical transmitter-receiver, it comprises transmitter and receiver, transmitter and receiver is provided with in pairs, each signal of telecommunication end of transmitter links to each other with each equipment of corresponding prime, transmitter links to each other with the top of a core remote transmission optical fiber by the transmitter optical fiber connector, the end of this core remote transmission optical fiber links to each other with the receiver fiber connector of receiver, each signal of telecommunication end of receiver and corresponding back each equipment of level.
Transmitter comprises the transmitter video module, the transmitter audio-frequency module, the transmitter data module, transmitter 100 m ethernet module, transmitter E1 module, transmitter switch amount module, transmitter intercommunication module, the transmitter phone module, the transmitter Gigabit Ethernet module, the transmitter clock circuit, transmitter MCU, the transmitter deserializer, the transmitter parallel-to-serial converter, transmitter first optical module, the transmitter Coarse Wave Division Multiplexer and the transmitter optical fiber connector, each data-signal end and the transmitter video module of described transmitter MCU, the transmitter audio-frequency module, the transmitter data module, transmitter 100 m ethernet module, transmitter E1 module, transmitter switch amount module, transmitter intercommunication module, the corresponding data signal end of transmitter phone module and transmitter clock circuit links to each other, the remote signal of transmitter MCU sends and receiving terminal passes through the transmitter parallel-to-serial converter, the transmitter deserializer links to each other with the corresponding signal of telecommunication input/output terminal of transmitter first optical module, one component ripple port λ 1 of the optical interface of transmitter first optical module and transmitter Coarse Wave Division Multiplexer, λ 2 links to each other, another component ripple port λ 3 of transmitter Coarse Wave Division Multiplexer, λ 4 links to each other with the optical interface of transmitter Gigabit Ethernet module, and the ripple port that closes of transmitter Coarse Wave Division Multiplexer links to each other with the transmitter optical fiber connector;
Receiver comprises the receiver video module, the receiver audio module, the receiver data module, receiver 100 m ethernet module, receiver E1 module, receiver switch amount module, receiver intercommunication module, the receiver phone module, the receiver Gigabit Ethernet module, the receiver clock circuit, receiver MCU, the receiver deserializer, the receiver parallel-to-serial converter, receiver first optical module, receiver Coarse Wave Division Multiplexer and receiver fiber connector, described receiver Coarse Wave Division Multiplexer links to each other with the end of a core remote transmission optical fiber by the receiver fiber connector as the input of receiver, one component ripple port λ 3 of receiver Coarse Wave Division Multiplexer, λ 4 links to each other with the optical interface of receiver Gigabit Ethernet module, another component ripple port λ 1 of receiver Coarse Wave Division Multiplexer, λ 2 links to each other with the optical interface of receiver first optical module, the signal of telecommunication input/output terminal of receiver first optical module is by the receiver parallel-to-serial converter, the receiver deserializer sends with the remote signal of receiver MCU and links to each other each data-signal end and the receiver video module of receiver MCU with receiving terminal, the receiver audio module, the receiver data module, receiver 100 m ethernet module, receiver E1 module, receiver switch amount module, receiver intercommunication module, the receiver phone module, each corresponding data signal end of receiver clock circuit links to each other.
Transmitter of the present utility model also comprises transmitter webmaster module, receiver also comprises receiver webmaster module, the signal input part of described transmitter webmaster module links to each other with the status signal output of transmitter MCU, the signal output part of receiver webmaster module and receiver MCU the status signal output link to each other.
Optical module of the present utility model is the photoelectric conversion device of 1.25GHz.
The beneficial effects of the utility model:
Multiple business optical transmitter-receiver of the present utility model does not have intermodulation distortion with it; clear picture; long transmission distance; transmission contains much information; stable performance; superpower compatible exchange; kind of interface is abundant; advantages such as unrivaled cost performance have been eliminated the simulated light terminal rapidly, in the safety monitoring engineering; traffic monitoring; safe city is built; the networking of public security three level Four; intelligent building; video conference; communication; finance; physical culture; electric power; water conservancy; customs; frontier defense; military; space flight; industrial production; commercial; the museum; the exhibition center; historical relic's protection; be used widely in fields such as tourism.
The utility model is designed to modular construction with functional interfaces such as video, audio frequency, data, 100M Ethernet, E1, phone, switching values, various signals are formed normalization, standardized digital signal by technology such as A/D conversion, balance/non-equilibrium conversion, level conversion, undertaken multiplexingly again by MCU by TDM (time division multiplexing) technology, be converted to light signal (λ 1, λ 2) by the 1.25GHz optical module; For the 1000M Ethernet interface, handle by Gigabit Ethernet module, be converted to light signal (λ 3, λ 4) by another 1.25GHz optical module, by the Coarse Wavelength Division Multiplexing technology ripple is closed in the branch wave component of 4 wavelength (λ 1, λ 2, λ 3, λ 4) by Coarse Wave Division Multiplexer CWDM again, carry out remote transmission by single optical fibre, be reduced to corresponding signal by identical technology at receiving terminal; The utlity model has status monitoring and network management function, can be by the operating state of LED light display power supply, optical fiber link and each electric signal interface, and can link to each other with computer by the network management communication interface, on network, monitor the operating state of optical transceiver in real time by the visualized graphs mode.
The utility model patent has that bandwidth height, transmission contain much information, characteristics such as optical fiber utilance height, modularized design, rich interface, flexible configuration, cost performance height, can effectively save cost according to client's actual requirement of engineering configuration corresponding interface.
Description of drawings
Fig. 1 is the theory diagram of the utility model transmitter.
Fig. 2 is the theory diagram of the utility model receiver.
Fig. 3 is the detailed theory diagram of the utility model transmitter.
Fig. 4 is the detailed theory diagram of the utility model receiver.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, 2, a kind of multiple business optical transmitter-receiver, it is characterized in that it comprises transmitter and receiver, transmitter and receiver is provided with in pairs, each signal of telecommunication end of transmitter links to each other with each equipment of corresponding prime, transmitter links to each other with the top of a core remote transmission optical fiber by the transmitter optical fiber connector, and the end of this core remote transmission optical fiber links to each other with the receiver fiber connector of receiver, each signal of telecommunication end of receiver and corresponding back each equipment of level.
Transmitter comprises the transmitter video module, the transmitter audio-frequency module, the transmitter data module, transmitter 100 m ethernet module, transmitter E1 module, transmitter switch amount module, transmitter intercommunication module, the transmitter phone module, the transmitter Gigabit Ethernet module, the transmitter clock circuit, transmitter MCU, the transmitter deserializer, the transmitter parallel-to-serial converter, transmitter first optical module, the transmitter Coarse Wave Division Multiplexer and the transmitter optical fiber connector, each data-signal end and the transmitter video module of described transmitter MCU, the transmitter audio-frequency module, the transmitter data module, transmitter 100 m ethernet module, transmitter E1 module, transmitter switch amount module, transmitter intercommunication module, the corresponding data signal end of transmitter phone module and transmitter clock circuit links to each other, the remote signal of transmitter MCU sends and receiving terminal passes through the transmitter parallel-to-serial converter, the transmitter deserializer links to each other with the corresponding signal of telecommunication input/output terminal of transmitter first optical module, (λ 1 for one component ripple port of the optical interface of transmitter first optical module and transmitter Coarse Wave Division Multiplexer, λ 2) link to each other, (λ 3 for another component ripple port of transmitter Coarse Wave Division Multiplexer, λ 4) link to each other with the optical interface of transmitter Gigabit Ethernet module, the ripple port that closes of transmitter Coarse Wave Division Multiplexer links to each other with the transmitter optical fiber connector;
Receiver comprises the receiver video module, the receiver audio module, the receiver data module, receiver 100 m ethernet module, receiver E1 module, receiver switch amount module, receiver intercommunication module, the receiver phone module, the receiver Gigabit Ethernet module, the receiver clock circuit, receiver MCU, the receiver deserializer, the receiver parallel-to-serial converter, receiver first optical module, receiver Coarse Wave Division Multiplexer and receiver fiber connector, described receiver Coarse Wave Division Multiplexer links to each other with the end of a core remote transmission optical fiber by the receiver fiber connector as the input of receiver, (λ 3 for one component ripple port of receiver Coarse Wave Division Multiplexer, λ 4) link to each other with the optical interface of receiver Gigabit Ethernet module, (λ 1 for another component ripple port of receiver Coarse Wave Division Multiplexer, λ 2) link to each other with the optical interface of receiver first optical module, the signal of telecommunication input/output terminal of receiver first optical module is by the receiver parallel-to-serial converter, the receiver deserializer sends with the remote signal of receiver MCU and links to each other each data-signal end and the receiver video module of receiver MCU with receiving terminal, the receiver audio module, the receiver data module, receiver 100 m ethernet module, receiver E1 module, receiver switch amount module, receiver intercommunication module, the receiver phone module, each corresponding data signal end of receiver clock circuit links to each other.
Parallel-to-serial converter of the present utility model and deserializer can adopt commercially available chip TLK1521; MCU can adopt commercially available chip XC95288, and the optical fiber connector can adopt flanges such as FC, ST, SC; Clock circuit can adopt commercially available chip IC S251.
Transmitter of the present utility model also comprises transmitter webmaster module, receiver also comprises receiver webmaster module, the signal input part of described transmitter webmaster module links to each other with the status signal output of transmitter MCU, the signal output part of receiver webmaster module and receiver MCU the status signal output link to each other.Described transmitter webmaster module comprises transmitter state observation circuit, transmitter led drive circuit, transmitter LED display circuit, transmitter state signal processing circuit, transmitter network management communication interface and transmitter webmaster connector; Receiver webmaster module comprises receiver state observation circuit, receiver led drive circuit, receiver LED display circuit, receiver state signal processing circuit, receiver network management communication interface and receiver webmaster connector.
The status monitoring circuit can adopt commercially available chip XC95144, and led drive circuit can adopt commercially available chip 74L04, and the LED display circuit can adopt commercially available light-emitting diode L-314; The status signal treatment circuit can adopt commercially available chip AT89C2051, and the network management communication interface adopts commercially available interface chip SN75LBC184,, CWDM can adopt commercially available prod SSA-05003, and the webmaster connector adopts industrial binding post.
Optical module of the present utility model can adopt commercially available prod HWTR-03-335121252F/353121252F.
During concrete enforcement:
Shown in Fig. 3,4, the transmitter video module comprises transmitter video input connector, forward video input processing circuit, transmitter video a/d converter, transmitter video d/a transducer, reverse video output processing circuit and transmitter video output connector; The receiver video module comprises receiver video d/a transducer, forward video output processing circuit, receiver video output connector, receiver video input connector, reverse video input processing circuit and receiver video a/d converter;
Described video input circuit can adopt commercially available chip EL5104, video output circuit can adopt commercially available chip EL5166, video a/d converter can adopt commercially available chip AD9280, and the video d/a transducer can adopt commercially available chip AD9280, and video-frequency connector can adopt BNC or C3.
The transmitter audio-frequency module comprises transmitter audio frequency input connector, forward audio frequency input processing circuit, transmitter audio A/D transducer, transmitter audio D/A converter, reverse audio frequency output processing circuit and transmitter audio frequency out connector; The receiver audio module comprises receiver audio D/A converter, forward audio frequency output processing circuit, receiver audio out connector, the reverse audio connector of receiver, reverse audio frequency input processing circuit and receiver audio A/D converter;
Described audio frequency input processing circuit can adopt commercially available chip OPA4134 and SSM2142, the audio frequency output processing circuit can adopt commercially available chip DRV135 and NE5534, audio A/D transducer can adopt commercially available chip PCM1800, audio D/A converter can adopt commercially available chip PCM1728, and audio connector can adopt CANNON, RCA, 3.5mm seat, industrial binding post or RJ45.
The transmitter data module comprises transmitter data connector, transmitter data selection circuit and transmitter data treatment circuit; The receiver data module comprises receiver data connector, receiver data selection circuit and receiver data processing circuit,
Described data selection circuit can adopt commercially available relay G6H-2, and data processing circuit can adopt commercially available interface chip MAX232 and SN75LBC184.
Transmitter 100 m ethernet module comprises transmitter 100 m ethernet connector and transmitter 100 m ethernet treatment circuit, and receiver 100 m ethernet module comprises receiver 100 m ethernet connector and receiver 100 m ethernet treatment circuit,
Described 100 m ethernet connector adopts RJ45, and the 100 m ethernet treatment circuit can adopt commercially available chip BCM5325.
Transmitter E1 module comprises transmitter E1 connector, transmitter E1 treatment circuit; Receiver E1 module comprises receiver E1 treatment circuit and receiver E1 connector;
Described E1 treatment circuit can adopt commercially available chip RC7871, and the E1 connector can adopt BNC or RJ45.
Transmitter switch amount module comprises transmitter switch amount connector, forward switching value input processing circuit, reverser amount output processing circuit; Receiver switch amount module comprises receiver switch amount connector, forward switching value output processing circuit, reverser amount input processing circuit;
Described switching value connector adopts industrial binding post, and switching value input processing circuit and switching value output processing circuit can adopt commercially available chip 4N25.
Transmitter intercommunication module comprises transmitter intercommunication connector, transmitter intercommunication 2/4 line change-over circuit, transmitter intercommunication input processing circuit, transmitter intercommunication output processing circuit, transmitter intercommunication A/D converter and transmitter intercommunication D/A converter; Receiver intercommunication module comprises receiver intercommunication connector, receiver intercommunication 2/4 line change-over circuit, receiver intercommunication input processing circuit, receiver intercommunication output output circuit, receiver intercommunication A/D converter and receiver intercommunication D/A converter;
Described intercommunication connector can adopt industrial binding post, intercommunication 2/4 line change-over circuit can adopt commercially available relay G6H-2, the intercommunication input processing circuit can adopt commercially available chip OPA4134 and SSM2142, intercommunication output circuit can adopt commercially available chip DRV135 and NE5534, the intercommunication A/D converter can adopt commercially available chip PCM1800, and the intercommunication D/A converter can adopt commercially available chip PCM1728.
The transmitter phone module comprises transmitter phone connector, transmitter signaling Detection ﹠ Controling circuit, transmitter feed power supply, transmitter ringing current power source, transmitter phone transformer, transmitter signal modulate circuit, transmitter phone 2/4 line change-over circuit, transmitter pulse coding circuit and transmitter telephone control circuit; The receiver phone module comprises receiver phone connector, receiver signaling Detection ﹠ Controling circuit, receiver feed power supply, receiver ringing current power source, receiver phone transformer, receiver signal modulate circuit, receiver phone 2/4 line change-over circuit, receiver pulse moder and receiver telephone control circuit;
Described phone connector adopts RJ11, signaling Detection ﹠ Controling circuit can adopt commercially available chip G6H-2, the phone transformer can adopt commercially available prod EI14, signal conditioning circuit and phone 2/4 line change-over circuit can adopt commercially available chip MC4558, pulse moder can adopt commercially available chip MC145480, and telephone control circuit can adopt commercially available chip AT89C2051.
The transmitter Gigabit Ethernet module comprises transmitter gigabit Ethernet connector, transmitter gigabit Ethernet treatment circuit and transmitter second optical module, and the receiver Gigabit Ethernet module comprises receiver gigabit Ethernet connector, receiver gigabit Ethernet treatment circuit and receiver second optical module;
Described gigabit Ethernet connector adopts RJ45, and the gigabit Ethernet treatment circuit can adopt commercially available chip 88E1111, and optical module can adopt commercially available prod HWTR-03-335121252F/353121252F.
Optical module of the present utility model is the electrooptical device of 1.25GHz.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (3)
1. multiple business optical transmitter-receiver, it is characterized in that it comprises transmitter and receiver, transmitter and receiver is provided with in pairs, each signal of telecommunication end of transmitter links to each other with each equipment of corresponding prime, transmitter links to each other with the top of a core remote transmission optical fiber by the transmitter optical fiber connector, the end of this core remote transmission optical fiber links to each other with the receiver fiber connector of receiver, each signal of telecommunication end of receiver and corresponding back each equipment of level;
Transmitter comprises the transmitter video module, the transmitter audio-frequency module, the transmitter data module, transmitter 100 m ethernet module, transmitter E1 module, transmitter switch amount module, transmitter intercommunication module, the transmitter phone module, the transmitter Gigabit Ethernet module, the transmitter clock circuit, transmitter MCU, the transmitter deserializer, the transmitter parallel-to-serial converter, transmitter first optical module, the transmitter Coarse Wave Division Multiplexer and the transmitter optical fiber connector, each data-signal end and the transmitter video module of described transmitter MCU, the transmitter audio-frequency module, the transmitter data module, transmitter 100 m ethernet module, transmitter E1 module, transmitter switch amount module, transmitter intercommunication module, the corresponding data signal end of transmitter phone module and transmitter clock circuit links to each other, the remote signal of transmitter MCU sends and receiving terminal passes through the transmitter parallel-to-serial converter, the transmitter deserializer links to each other with the corresponding signal of telecommunication input/output terminal of transmitter first optical module, one component ripple port λ 1 of the optical interface of transmitter first optical module and transmitter Coarse Wave Division Multiplexer, λ 2 links to each other, another component ripple port λ 3 of transmitter Coarse Wave Division Multiplexer, λ 4 links to each other with the optical interface of transmitter Gigabit Ethernet module, and the ripple port that closes of transmitter Coarse Wave Division Multiplexer links to each other with the transmitter optical fiber connector;
Receiver comprises the receiver video module, the receiver audio module, the receiver data module, receiver 100 m ethernet module, receiver E1 module, receiver switch amount module, receiver intercommunication module, the receiver phone module, the receiver Gigabit Ethernet module, the receiver clock circuit, receiver MCU, the receiver deserializer, the receiver parallel-to-serial converter, receiver first optical module, receiver Coarse Wave Division Multiplexer and receiver fiber connector, described receiver Coarse Wave Division Multiplexer links to each other with the end of a core remote transmission optical fiber by the receiver fiber connector as the input of receiver, one component ripple port λ 3 of receiver Coarse Wave Division Multiplexer, λ 4 links to each other with the optical interface of receiver Gigabit Ethernet module, another component ripple port λ 1 of receiver Coarse Wave Division Multiplexer, λ 2 links to each other with the optical interface of receiver first optical module, the signal of telecommunication input/output terminal of receiver first optical module is by the receiver parallel-to-serial converter, the receiver deserializer sends with the remote signal of receiver MCU and links to each other each data-signal end and the receiver video module of receiver MCU with receiving terminal, the receiver audio module, the receiver data module, receiver 100 m ethernet module, receiver E1 module, receiver switch amount module, receiver intercommunication module, the receiver phone module, each corresponding data signal end of receiver clock circuit links to each other.
2. multiple business optical transmitter-receiver according to claim 1, it is characterized in that described transmitter also comprises transmitter webmaster module, receiver also comprises receiver webmaster module, the signal input part of described transmitter webmaster module links to each other with the status signal output of transmitter MCU, the signal output part of receiver webmaster module and receiver MCU the status signal output link to each other.
3. multiple business optical transmitter-receiver according to claim 1 is characterized in that described optical module is the electrooptical device of 1.25GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202778414U CN201726405U (en) | 2010-07-30 | 2010-07-30 | Multi-service optical transmitter and receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202778414U CN201726405U (en) | 2010-07-30 | 2010-07-30 | Multi-service optical transmitter and receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201726405U true CN201726405U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202778414U Expired - Lifetime CN201726405U (en) | 2010-07-30 | 2010-07-30 | Multi-service optical transmitter and receiver |
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| Country | Link |
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| CN (1) | CN201726405U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394004A (en) * | 2011-10-20 | 2012-03-28 | 杭州电子科技大学 | Teaching platform based on wavelength division multiplex (WDM) transmission |
| CN106210654A (en) * | 2016-08-16 | 2016-12-07 | 安徽省瑞鼎电子技术有限公司 | Network communicating system based on SDH technology |
| CN106331910A (en) * | 2016-08-16 | 2017-01-11 | 安徽省瑞鼎电子技术有限公司 | Integrated access device (IAD) multiple services-based network communication system |
-
2010
- 2010-07-30 CN CN2010202778414U patent/CN201726405U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394004A (en) * | 2011-10-20 | 2012-03-28 | 杭州电子科技大学 | Teaching platform based on wavelength division multiplex (WDM) transmission |
| CN106210654A (en) * | 2016-08-16 | 2016-12-07 | 安徽省瑞鼎电子技术有限公司 | Network communicating system based on SDH technology |
| CN106331910A (en) * | 2016-08-16 | 2017-01-11 | 安徽省瑞鼎电子技术有限公司 | Integrated access device (IAD) multiple services-based network communication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |