CN104184521A - Minitype separating type HDMI optical fiber transmission device - Google Patents

Minitype separating type HDMI optical fiber transmission device Download PDF

Info

Publication number
CN104184521A
CN104184521A CN201410455828.6A CN201410455828A CN104184521A CN 104184521 A CN104184521 A CN 104184521A CN 201410455828 A CN201410455828 A CN 201410455828A CN 104184521 A CN104184521 A CN 104184521A
Authority
CN
China
Prior art keywords
signal
optical
hdmi
cell
fiber transmission
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
Application number
CN201410455828.6A
Other languages
Chinese (zh)
Inventor
童小林
曹俊星
杨鑫
占玉梅
郑仲凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN SILEI ELECTRONIC TECHNOLOGY Co Ltd
Original Assignee
KUNSHAN SILEI ELECTRONIC TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KUNSHAN SILEI ELECTRONIC TECHNOLOGY Co Ltd filed Critical KUNSHAN SILEI ELECTRONIC TECHNOLOGY Co Ltd
Priority to CN201410455828.6A priority Critical patent/CN104184521A/en
Publication of CN104184521A publication Critical patent/CN104184521A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Couplings Of Light Guides (AREA)

Abstract

The invention discloses a minitype separating type HDMI optical fiber transmission device which comprises a TX electric signal unit, a TX optical signal unit, an RX optical signal unit and an RX electric signal unit. One end of the TX electric signal unit is provided with a first HDMI. The other end of the TX electric signal unit is connected with one end of the TX optical signal unit in a pluggable mode. The other end of the TX optical signal unit is connected with one end of an optical fiber. The other end of the optical fiber is connected with one end of the RX optical signal unit. The other end of the RX optical signal unit is connected with one end of the RX electric signal unit in a pluggable mode. The other end of the RX electric signal unit is provided with a second HDMI. A first master control chip is arranged in the TX electric signal unit. A first photovoltaic conversion circuit is arranged in the TX optical signal unit. A second master control chip is arranged in the RX electric signal unit. A second photovoltaic conversion circuit is arranged in the RX optical signal unit. According to the minitype separating type HDMI optical fiber transmission device, the optical fiber and the HDMIs are separable, engineering wiring and installation are greatly facilitated, the transmission range can reach scores of to hundreds of meters, antijamming capability of optical signal transmission is extremely strong, and no radiation or interference is produced for the surroundings.

Description

Miniature separate type HDMI fiber transmission device
Technical field
The present invention relates to ultra high-definition video/audio transmission field, relate to specifically a kind of miniature separate type HDMI fiber transmission device.
Background technology
HDMI (High Definition Multimedia Interface) HDMI (High Definition Multimedia Interface) is a kind of digitized video/audio interface technology, HDMI connecting line can transmit HD video and the multichannel audio data of uncompressed high-qualityly, and the maximum data transmission speed is 5Gbps.Without transmitting at signal advance row D/A or mould/number conversion, can guarantee that the video-audio signal of first water transmits simultaneously.
Current HDMI transmission line on the market consists of 19 core copper cash, and owing to being subject to the impact of metal material characteristic, the maximum transmission distance of this traditional HDMI connecting line is only 30 meters, and transmission range is short.But along with the increase of length, for fear of the serious decay of signal, in the time of need be by copper cash overstriking, strengthen signal shielding, wasted valuable non-renewable resources.Meanwhile, traditional HDMI connecting line cannot connect up with forceful electric power line simultaneously, poor anti jamming capability.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of miniature separate type HDMI fiber transmission device, not only transmission range is long, and antijamming capability is strong, installs very convenient.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of miniature separate type HDMI fiber transmission device, comprise TX signal of telecommunication unit, TX optical signal cell, RX optical signal cell and RX signal of telecommunication unit, one end of this TX signal of telecommunication unit is provided with for connecting a HDMI interface of HDMI output equipment, and the other end of this TX signal of telecommunication unit can plug and be connected with one end of TX optical signal cell; The other end of this TX optical signal cell connects optical fiber one end, and this optical fiber other end connects RX optical signal cell one end; Between one end of this RX optical signal cell other end and RX signal of telecommunication unit, can plug connection, the other end of this RX signal of telecommunication unit is provided with for being connected to the 2nd HDMI interface of HDMI display device; The described TX signal of telecommunication is provided with the first main control chip in unit, is provided with the first photoelectric switching circuit for the signal of telecommunication and light signal are changed mutually in described TX optical signal cell; The described RX signal of telecommunication is provided with the second main control chip in unit, is provided with the second photoelectric switching circuit for light signal and the signal of telecommunication are changed mutually in described RX optical signal cell.
As a further improvement on the present invention, in described TX optical signal cell, be also provided with optical transmitting set and first lens and the first prism for light signal is launched, the light signal that this optical transmitting set sends is entered in described optical fiber by this first prismatic reflection after first lens converges.
As a further improvement on the present invention, light reflection 90 degree that described the first prism converges first lens enter in described optical fiber.
As a further improvement on the present invention, in described RX optical signal cell, be also provided with and optical receiver for light signal is received and the second lens and this second prism of the second prism reflect the light coming from Optical Fiber Transmission, enter the second lens and converge to optical receiver and receive.
As a further improvement on the present invention, described the second prism converges enter the second lens from the next light of described Optical Fiber Transmission reflects 90 degree.
As a further improvement on the present invention, described optical transmitting set comprises 1*4 array optical reflector and single optical transmitting set, four pairs of transition minimized differential signalings (TMDS:Transition Minimized Differential signal) of the HDMI output equipment of HDMI out splice going splice output are launched by this 1*4 array optical reflector after the first photoelectric switching circuit in described TX optical signal cell is converted into the signal that four tunnels can drive optical transmitting set, the clock signal of the HDMI output equipment of HDMI out splice going splice output, data-signal, hot plug signal and equipment controling signal are sent into this single optical transmitting set and are converted into light signal and launch after the first main control chip in described TX signal of telecommunication unit synthesizes a road low speed signal of telecommunication.
As a further improvement on the present invention, described optical fiber is 5, and diameter is 125 μ m.
As a further improvement on the present invention, described optical receiver comprises 1*4 array optical receiver device and single optical receiver, described RX optical signal cell is converted into four high-speed electrical signals He Yi road, the tunnel low speed signals of telecommunication by the light signal receiving, Gai Si road high-speed electrical signals is converted into four pairs of transition minimized differential signalings (TMDS:Transition Minimized Differential signal) by the second photoelectric switching circuit in this RX optical signal cell, the Gai Yi road low speed signal of telecommunication is decomposed into clock signal by the second main control chip in this RX signal of telecommunication unit, data-signal, hot plug signal and equipment controling signal also import HDMI display device into by the 2nd HDMI interface, complete the signal transmission from HDMI output equipment to HDMI display device.
As a further improvement on the present invention, in described RX optical signal cell, be also provided with the optical transmitting set that light signal is launched, in described TX optical signal cell, be also provided with the optical receiver that light signal is received.
The invention has the beneficial effects as follows: this miniature separate type HDMI fiber transmission device adopts Miniaturization Design, and optical fiber is separable with HDMI joint, greatly facilitates engineering wiring and installation.Owing to adopting optical signal transmission fiber, transmission range can reach tens to hundreds of rice.Optical signal transmission antijamming capability is extremely strong, to around other electronic equipments are radiationless noiseless.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is light path principle figure of the present invention.
By reference to the accompanying drawings, make the following instructions:
1---TX signal of telecommunication unit 2---TX optical signal cell
3---optical fiber 4---RX optical signal cell
5---RX signal of telecommunication unit 11---HDMI interface
12---optical transmitting set 13---first lens
14---first prism 51---the 2nd HDMI interface
52---optical receiver 53---second lens
54---second prism SCL---clock signal
SDA---data-signal HPD---hot plug signal
CEC---equipment controling signal
6---first photoelectric switching circuit 7---second photoelectric switching circuit
8---first main control chip 9---second main control chip
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of the present invention is elaborated.But protection scope of the present invention is not limited to following embodiment, the simple equivalence of in every case being done with the present patent application the scope of the claims and description changes and modifies, within all still belonging to patent covering scope of the present invention.
Refer to accompanying drawing 1-3, a kind of miniature separate type HDMI fiber transmission device, comprise TX signal of telecommunication unit 1, TX optical signal cell 2, RX optical signal cell 4 and RX signal of telecommunication unit 5, one end of this TX signal of telecommunication unit 1 is provided with for connecting a HDMI interface 11 of HDMI output equipment, and the other end of this TX signal of telecommunication unit 1 can plug and be connected with one end of TX optical signal cell 2; The other end of this TX optical signal cell 2 connects optical fiber 3 one end, and this optical fiber other end connects RX optical signal cell 4 one end; Between these RX optical signal cell 4 other ends and one end of RX signal of telecommunication unit 5, can plug connection, the other end of this RX signal of telecommunication unit 5 is provided with for being connected to the 2nd HDMI interface 51 of HDMI display device; In described TX signal of telecommunication unit 1, be provided with the first main control chip 8, in described TX optical signal cell 2, be provided with the first photoelectric switching circuit 6 for the signal of telecommunication and light signal are changed mutually; In described RX signal of telecommunication unit 5, be provided with the second main control chip 9, in described RX optical signal cell 4, be provided with the second photoelectric switching circuit 7 for light signal and the signal of telecommunication are changed mutually.
In described TX optical signal cell 2, be also provided with optical transmitting set 12 and first lens 13 and the first prism 14 for light signal is launched, the light signal that this optical transmitting set sends is entered in described optical fiber by this first prismatic reflection after first lens converges.
Light reflection 90 degree that described the first prism converges first lens enter in described optical fiber.
In described RX optical signal cell 4, be also provided with and optical receiver 52 for light signal is received and the second lens 53 and second prism 54 these second prisms reflect the light coming from Optical Fiber Transmission, enter the second lens and converge to optical receiver and receive.
Described the second prism reflects second lens that enter after 90s by the light coming from described Optical Fiber Transmission and converges.
Described optical transmitting set 12 comprises 1*4 array optical reflector and single optical transmitting set, four pairs of transition minimized differential signalings (TMDS:Transition Minimized Differential signal) of the HDMI output equipment of HDMI out splice going splice output are launched by this 1*4 array optical reflector after the first photoelectric switching circuit 6 in described TX optical signal cell 2 is converted into the signal that four tunnels can drive optical transmitting set, the clock signal SCL of the HDMI output equipment of HDMI out splice going splice output, data-signal SDA, hot plug signal HPD and equipment controling signal CEC send into this single optical transmitting set and are converted into light signal and launch after the first main control chip 8 in described TX signal of telecommunication unit 1 synthesizes a road low speed signal of telecommunication.
Described optical fiber is 5, and diameter is 125 μ m.
Described optical receiver comprises 1*4 array optical receiver device and single optical receiver, described RX optical signal cell 4 is converted into four high-speed electrical signals He Yi road, the tunnel low speed signals of telecommunication by the light signal receiving, Gai Si road high-speed electrical signals is converted into four pairs of transition minimized differential signalings (TMDS:Transition Minimized Differential signal) by the second photoelectric switching circuit 7 in this RX optical signal cell 4, the Gai Yi road low speed signal of telecommunication is decomposed into clock signal SCL by the second main control chip 9 in this RX signal of telecommunication unit 5, data-signal SDA, hot plug signal HPD and equipment controling signal CEC also import HDMI display device into by the 2nd HDMI interface, complete the signal transmission from HDMI output equipment to HDMI display device.
In described RX optical signal cell 4, be also provided with the optical transmitting set that light signal is launched, in described TX optical signal cell 2, be also provided with the optical receiver that light signal is received.

Claims (9)

1. a miniature separate type HDMI fiber transmission device, it is characterized in that: comprise TX signal of telecommunication unit (1), TX optical signal cell (2), RX optical signal cell (4) and RX signal of telecommunication unit (5), one end of this TX signal of telecommunication unit (1) is provided with for connecting a HDMI interface (11) of HDMI output equipment, and the other end of this TX signal of telecommunication unit (1) can plug and be connected with one end of TX optical signal cell (2); The other end of this TX optical signal cell (2) connects optical fiber (3) one end, and this optical fiber other end connects RX optical signal cell (4) one end; Between this RX optical signal cell (4) other end and one end of RX signal of telecommunication unit (5), can plug connection, the other end of this RX signal of telecommunication unit (5) is provided with for being connected to the 2nd HDMI interface (51) of HDMI display device; In described TX signal of telecommunication unit (1), be provided with the first main control chip (8), in described TX optical signal cell (2), be provided with the first photoelectric switching circuit (6) for the signal of telecommunication and light signal are changed mutually; In described RX signal of telecommunication unit (5), be provided with the second main control chip (9), in described RX optical signal cell (4), be provided with the second photoelectric switching circuit (7) for light signal and the signal of telecommunication are changed mutually.
2. miniature separate type HDMI fiber transmission device according to claim 1, it is characterized in that: in described TX optical signal cell (2), be also provided with optical transmitting set (12) and first lens (13) and the first prism (14) for light signal is launched, the light signal that this optical transmitting set sends is entered in described optical fiber by this first prismatic reflection after first lens converges.
3. miniature separate type HDMI fiber transmission device according to claim 2, is characterized in that: light reflection 90 degree that described the first prism converges first lens enter in described optical fiber.
4. according to the miniature separate type HDMI fiber transmission device described in claim 2 or 3, it is characterized in that: in described RX optical signal cell (4), be also provided with and optical receiver (52) for light signal is received and the second lens (53) and this second prism of the second prism (54) reflect the light coming from Optical Fiber Transmission, enter the second lens and converge to optical receiver and receive.
5. miniature separate type HDMI fiber transmission device according to claim 4, is characterized in that: described the second prism converges enter the second lens from the next light of described Optical Fiber Transmission reflects 90 degree.
6. miniature separate type HDMI fiber transmission device according to claim 4, it is characterized in that: described optical transmitting set (12) comprises 1*4 array optical reflector and single optical transmitting set, four pairs of transition minimized differential signalings of the HDMI output equipment of HDMI out splice going splice output are launched by this 1*4 array optical reflector after the first photoelectric switching circuit (6) in described TX optical signal cell (2) is converted into the signal that four tunnels can drive optical transmitting set, the clock signal (SCL) of the HDMI output equipment of HDMI out splice going splice output, data-signal (SDA), hot plug signal (HPD) and equipment controling signal (CEC) are sent into this single optical transmitting set and are converted into light signal and launch after the first main control chip (8) in described TX signal of telecommunication unit (1) synthesizes a road low speed signal of telecommunication.
7. miniature separate type HDMI fiber transmission device according to claim 6, is characterized in that: described optical fiber is 5, and diameter is 125 μ m.
8. miniature separate type HDMI fiber transmission device according to claim 4, it is characterized in that: described optical receiver comprises 1*4 array optical receiver device and single optical receiver, described RX optical signal cell (4) is converted into four high-speed electrical signals He Yi road, the tunnel low speed signals of telecommunication by the light signal receiving, Gai Si road high-speed electrical signals is converted into four pairs of transition minimized differential signalings by the second photoelectric switching circuit (7) in this RX optical signal cell (4), the Gai Yi road low speed signal of telecommunication is decomposed into clock signal (SCL) by the second main control chip (9) in this RX signal of telecommunication unit (5), data-signal (SDA), hot plug signal (HPD) and equipment controling signal (CEC) also import HDMI display device into by the 2nd HDMI interface.
9. miniature separate type HDMI fiber transmission device according to claim 4, it is characterized in that: in described RX optical signal cell (4), be also provided with the optical transmitting set that light signal is launched, in described TX optical signal cell (2), be also provided with the optical receiver that light signal is received.
CN201410455828.6A 2014-09-09 2014-09-09 Minitype separating type HDMI optical fiber transmission device Pending CN104184521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410455828.6A CN104184521A (en) 2014-09-09 2014-09-09 Minitype separating type HDMI optical fiber transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410455828.6A CN104184521A (en) 2014-09-09 2014-09-09 Minitype separating type HDMI optical fiber transmission device

Publications (1)

Publication Number Publication Date
CN104184521A true CN104184521A (en) 2014-12-03

Family

ID=51965300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410455828.6A Pending CN104184521A (en) 2014-09-09 2014-09-09 Minitype separating type HDMI optical fiber transmission device

Country Status (1)

Country Link
CN (1) CN104184521A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105891975A (en) * 2016-05-31 2016-08-24 夏烬楚 Active optical cable connector with switchable interface, application method of active optical cable connector and manufacture method of optical cable
CN108011669A (en) * 2017-12-21 2018-05-08 昆山思雷电子科技有限公司 Signal transmssion line and signal transmission system
CN110351510A (en) * 2019-08-09 2019-10-18 昆山思雷电子科技有限公司 A kind of fiber matrix interchanger transmitting device and converting interface device
CN110381269A (en) * 2019-08-02 2019-10-25 昆山思雷电子科技有限公司 A kind of separable fiber transmission device
CN110572625A (en) * 2019-03-12 2019-12-13 飞昂创新科技南通有限公司 Optical data interconnect system
CN112887685A (en) * 2021-01-11 2021-06-01 深圳新联胜光电科技有限公司 HDMI one-input-multiple-output active optical cable
CN114597706A (en) * 2022-03-16 2022-06-07 深圳新联胜光电科技有限公司 HDMI cable assembly and signal transmission method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200805912A (en) * 2006-07-05 2008-01-16 Apac Opto Electronics Inc Transmission apparatus with fiber high-definition digital video data interface
CN201611932U (en) * 2010-01-20 2010-10-20 陈蜀良 Extending control signal device of single optical fiber cable
CN101931466A (en) * 2009-06-22 2010-12-29 钱国涛 Method for extending HDMI or DVI interface connection at ultra-long distance by using five optical fibers
CN202019408U (en) * 2011-02-15 2011-10-26 成都锐华光电技术有限责任公司 High-definition multimedia interface (HDMI) connecting cable
CN103747220A (en) * 2013-12-31 2014-04-23 中航华东光电有限公司 Data fiber optic transmission system of universal interface of computer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200805912A (en) * 2006-07-05 2008-01-16 Apac Opto Electronics Inc Transmission apparatus with fiber high-definition digital video data interface
CN101931466A (en) * 2009-06-22 2010-12-29 钱国涛 Method for extending HDMI or DVI interface connection at ultra-long distance by using five optical fibers
CN201611932U (en) * 2010-01-20 2010-10-20 陈蜀良 Extending control signal device of single optical fiber cable
CN202019408U (en) * 2011-02-15 2011-10-26 成都锐华光电技术有限责任公司 High-definition multimedia interface (HDMI) connecting cable
CN103747220A (en) * 2013-12-31 2014-04-23 中航华东光电有限公司 Data fiber optic transmission system of universal interface of computer

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105891975A (en) * 2016-05-31 2016-08-24 夏烬楚 Active optical cable connector with switchable interface, application method of active optical cable connector and manufacture method of optical cable
CN108011669A (en) * 2017-12-21 2018-05-08 昆山思雷电子科技有限公司 Signal transmssion line and signal transmission system
CN110572625A (en) * 2019-03-12 2019-12-13 飞昂创新科技南通有限公司 Optical data interconnect system
CN110381269A (en) * 2019-08-02 2019-10-25 昆山思雷电子科技有限公司 A kind of separable fiber transmission device
CN110381269B (en) * 2019-08-02 2022-01-11 昆山思雷电子科技有限公司 Separable optical fiber transmission device
CN110351510A (en) * 2019-08-09 2019-10-18 昆山思雷电子科技有限公司 A kind of fiber matrix interchanger transmitting device and converting interface device
CN112887685A (en) * 2021-01-11 2021-06-01 深圳新联胜光电科技有限公司 HDMI one-input-multiple-output active optical cable
CN112887685B (en) * 2021-01-11 2024-04-05 深圳新联胜光电科技有限公司 HDMI one-in-multiple-out active optical cable
CN114597706A (en) * 2022-03-16 2022-06-07 深圳新联胜光电科技有限公司 HDMI cable assembly and signal transmission method
CN114597706B (en) * 2022-03-16 2024-02-06 深圳新联胜光电科技有限公司 HDMI cable assembly and signal transmission method

Similar Documents

Publication Publication Date Title
CN104184521A (en) Minitype separating type HDMI optical fiber transmission device
CN106534813B (en) Multimedia signal transmission device and method
KR20210148147A (en) Battery triggering for activation of optical data interconnection systems
CN103024366A (en) Remote transmission system for ultra-high-definition video signals
CN106130645A (en) A kind of ultra high-definition distance HDMI optical cable
WO2011130600A3 (en) Connectors and cables with an optical transmitter
CN106131516A (en) A kind of based on being wirelessly transferred pure smooth HDMI optical cable
CN104363433A (en) Multi-channel optical transceiver without external distributor
CN204069167U (en) A kind of novel HDMI signal adapter
CN203279033U (en) Converter of converting high definition serial digital interface signal into high definition multimedia interface signal
CN112491474B (en) Method and frame structure for serial transmission after multiplexing of HDMI low-speed signals
JP5412663B2 (en) Hi-Vision transceiver
CN210246906U (en) Optical fiber matrix switch transmission device and conversion interface device
CN204156865U (en) Miniature separate type HDMI fiber transmission device
CN202374368U (en) Conversion device for serial digital interface (SDI) composite audio and video signal
CN208539273U (en) A kind of HDMI optical fiber copper cable mixed transport device
US20140355996A1 (en) High definition multimedia interface and network interface adapter device
CN102012798A (en) Photoelectric-isolating low-electromagnetic leakage display interface
CN206100333U (en) Split type HDMI optical fiber transmission device
CN102447909A (en) Method and system for transmitting multi-path composite audio-video signals
CN101860712B (en) Device and method for transmitting camera signals
CN206193292U (en) Many adaptations list signal fiber transmission device
CN201904783U (en) DVI (digital visual interface) and audio remote transmission device based on optical fibers
CN204145666U (en) A kind of multi-path light terminal without the need to external distributor
CN210041838U (en) HDMI optical fiber transmission device of detachable multifunctional connector

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20141203

RJ01 Rejection of invention patent application after publication