CN204859359U - Full HD multimedia signal distributor - Google Patents
Full HD multimedia signal distributor Download PDFInfo
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- CN204859359U CN204859359U CN201520583142.5U CN201520583142U CN204859359U CN 204859359 U CN204859359 U CN 204859359U CN 201520583142 U CN201520583142 U CN 201520583142U CN 204859359 U CN204859359 U CN 204859359U
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Abstract
The utility model relates to a full HD multimedia signal distributor, media transmission distribution module is connected to form from cable balanced device, RCC output clock recovery ware, CD1 output cable driver, CD2 output cable driver from clock recovery ware, EQS from cable driver, RCS by CDM thread cable driver, RCM owner clock recovery ware, EQM thread cable balanced device, CDS, RCM owner clock recovery ware, CDM thread cable driver, parallel input RCC output clock recovery ware are all the way inputed with the main signal all the way to EQM thread cable balanced device, EQS will follow the signal from the cable balanced device and input RCS from clock recovery ware, CDS from cable driver all the way, and the SDI signal output and the distribution of high definition can be supported to parallel input RCC output clock recovery ware all the way to support the redundant function of transmission link, SDI branch screen ware input SDI signal has the principal and subordinate and switches the function.
Description
Technical field
The utility model relates to the technical field of multimedia signal dispose, particularly relaying, the distribution technique of high-definition multimedia signal.
Background technology
Existing multi-media signal distribution technique, mainly contains the signal distribution techniques such as HDMI signal, VGA signal, CVBS signal, SDI.The English full name of HDMI is " HighDefinitionMultimediaInterface ", and Chinese is meant to HDMI (High Definition Multimedia Interface).HDMI can provide the data transfer bandwidth up to 5Gbps, can transmit the audio signal without compression and high definition video signal.HDMI distributor mostly is 1x2,1x4 distributor, distributor can be connected to two or four high-definition signal ends a high-definition signal source, and the high-definition signal that a high-definition signal source produces can be assigned on two or four displays or projector supporting high-definition signal by easily.VGA and CVBS signal distributor mostly is four split screens or eight split screens, and Ke Jiang mono-road signal is assigned as four tunnels or eight road signals are connected to display respectively.Serial digital interface (SerialDigitalInterface, SDI) be one of most widely used interface in the digital television program manufacturing system of current studio, it provide a large amount of ancillary data area, can be used to embed voice data and other useful signals.Existing sdi signal distributor mostly is input sdi signal, exports as CVBS signal, and Ke Jiang mono-road sdi signal is assigned as eight road CVBS signals and is connected to display.
At present, traditional multi-media signal distributor, especially the major part shake of sdi signal distributor is from serializer, and traditional serializer adopts complicated structure, higher cost, easily produces high shake, cannot meet the requirement of 3G standard.Therefore, prior art needs to improve.
Utility model content
The purpose of this utility model, be overcome above-mentioned the deficiencies in the prior art part, a kind of full HD multi-media signal distributor is provided, for rail transportation vehicle-mounted SDI multimedia distributor product, it supports that the sdi signal adopting high-quality, high definition exports and distributes, and supports transmission link redundancy feature.Have more master-slave swap function, two-way sdi signal can be inputted simultaneously and from wherein selecting a road to distribute, the second road sdi signal can be automatically switched to when a road signal disconnects and distributing, can normally switch without the need to manual intervention.
The purpose of this utility model is achieved by the following technical solution: a kind of full HD multi-media signal distributor, comprise: media delivery distribution module, power module, MCU module, it is characterized in that: media delivery distribution module is by CD/M main cables driver (1), RC/M master clock restorer (2), EQ/M main cables equalizer (3), CD/S is from cable drive (4), RC/S is from clock recoverer (5), EQ/S is from cable equalizer (6), RC/C output clock restorer (7), CD/1 output line cable-laying device (8), CD/2 output line cable-laying device (9) connects to form, EQ/M main cables equalizer (3) is by main 3G-SDI signal one tunnel input RC/M master clock restorer (2), CD/M main cables driver (1), and another road is parallel inputs RC/C output clock restorer (7), EQ/S will from 3G-SDI signal one tunnel input RC/S from clock recoverer (5), CD/S from cable drive (4) from cable equalizer (6), and another road is parallel input RC/C output clock restorer (7) also, described MCU module is MCU master controller (10), with input RC/C output clock restorer (7) control connection.
Further, described CD/M main cables driver (1) is connected with RC/M master clock restorer (2), and described EQ/M main cables equalizer (3) is connected with RC/M master clock restorer (2) and RC/C output clock restorer (7); Described CD/S is connected from clock recoverer device (5) from cable drive (4) with RC/S, and EQ/S is connected from clock recoverer (5) and RC/C output clock restorer (7) from cable equalizer (6) with RC/S; Described RC/C output clock restorer (7) is connected with CD/1 output line cable-laying device (8) and CD/2 output line cable-laying device (9).
Described MCU master controller (10) is connected from clock recoverer (5), EQ/S from cable equalizer (6), RC/C output clock restorer (7), CD/1 output line cable-laying device (8), CD/2 output line cable-laying device (9) from cable drive (4), RC/S with CD/M main cables driver (1), RC/M master clock restorer (2), EQ/M main cables equalizer (3), CD/S; Described power module (11) is connected from clock recoverer (5), EQ/S from cable equalizer (6), RC/C output clock restorer (7), CD/1 output line cable-laying device (8), CD/2 output line cable-laying device (9), MCU master controller (10) from cable drive (4), RC/S with CD/M main cables driver (1), RC/M master clock restorer (2), EQ/M main cables equalizer (3), CD/S.
CD/M main cables driver (1), CD/S all select GS2988 from cable drive (4); RC/M master clock restorer (2), RC/S all select GS2965 from clock recoverer (5); EQ/M main cables equalizer (3), EQ/S all select GS2993 from cable equalizer (6); GS2965 selected by RC/C output clock restorer (7); CD/1 output line cable-laying device (8), CD/2 output line cable-laying device (9) all select GS2989; W78E058D selected by MCU master controller (10); Power module (11) selects LMS1587IS-3.3.
Main 3G-SDI signal is connected with RC/M master clock restorer (2) through EQ/M main cables equalizer (3), RC/M master clock restorer (2) is connected with CD/M main cables driver (1), and ring goes out main 3G-SDI signal; On the other hand, be connected from clock recoverer (5) from cable equalizer (6) with RC/S from 3G-SDI signal through EQ/S, RC/S is connected from cable drive (4) from clock recoverer (5) with CD/S, and ring goes out from 3G-SDI signal respectively; Main 3G-SDI signal and being connected with RC/C output clock restorer (7) from cable equalizer (6) respectively through EQ/M main cables equalizer (3) and EQ/S from 3G-SDI signal, RC/C output clock restorer (7) is connected with CD/1 output line cable-laying device (8) and CD/2 output line cable-laying device (9), exports the 3G-SDI signal on eight tunnels.
The utility model is compared with conventional art, and tool has the following advantages: 1, signal processing chip used adopts broadcasting and TV level chip but not security protection level chip entirely, can support 3G-SDI Signal transmissions and distribution; 2, the signal of transmission and distribution is all 3G-SDI digital signal, embedded audio frequency and video; 3,3G-SDI signal jitter can be effectively reduced; 4, effectively electromagnetic interference can be reduced; 5, process can be carried out to 3G-SDI signal optimize and effectively extend 3G-SDI signal transmission distance; 6, easily can realize the input of principal and subordinate's two-way 3G-SDI signal and principal and subordinate 3G-SDI hoop goes out, and eight road 3G-SDI signals export.7, principal and subordinate 3G-SDI signal supports transmission link redundancy feature, has active and standby rapid switching function, can automatically switch without the need to manual intervention.8, without the need to adding jitter elimination circuit and external local clock, therefore effectively can reduce product design costs, reducing non-essential work.9, hardware performance is strong, and the life-span is long, can effectively avoid channels crosstalk phenomenon; 10, return loss can be processed efficiently, improve signal quality.11, this full HD multimedia distributor adopts low power dissipation design, effectively can reduce power consumption; 12, product systems framework is clear, adopts modular design method, can effectively reduce design difficulty and maintenance cost.
Accompanying drawing explanation
Fig. 1 is the utility model multi-media signal dispensing arrangement block diagram.
Fig. 2 is the utility model multi-media signal distributor detailed circuit block diagram.
Fig. 3 is multi-media signal distributor firmware workflow diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, clearly, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is described in further detail.
Embodiment one
And Fig. 2, the full HD multi-media signal distributor of one of the present embodiment, for rail transportation vehicle-mounted SDI multimedia distributor product, it supports that the sdi signal adopting high-quality, high definition exports and distributes, and support transmission link redundancy feature, SDI split screen device input sdi signal has active-standby switch function, two road sdi signals can be inputted and from wherein selecting a road to distribute simultaneously, the second road sdi signal can be automatically switched to when a road signal disconnects to distribute, can normally switch without the need to manual intervention.Its media delivery mainly as rail transportation vehicle-mounted Passenger information system and distributing terminals, high-quality SDI multi-media signal data flow can be received, can be that multiple-channel output is to multimedia play terminal by SDI multi-media signal distribution of flows, and SDI multi-media signal data flow loop can be exported to next SDI multimedia distributor, thus to realize the information displaying of specifying in train in the time of specifying to the crowd specified.
See Fig. 1, full HD multi-media signal distributor, comprises media delivery distribution module, power module and MCU module.Each module specifically connects as shown in Figure 2, wherein, power module 11 is responsible for power supply, MCU module is a MCU master controller 10, and media delivery distribution module is connected to form from clock recoverer 5, EQ/S from cable equalizer 6, RC/C output clock restorer 7, CD/1 output line cable-laying device 8, CD/2 output line cable-laying device 9 from cable drive 4, RC/S by CD/M main cables driver 1, RC/M master clock restorer device 2, EQ/M main cables equalizer 3, CD/S.EQ/M main cables equalizer 3 is by main 3G-SDI signal one tunnel input RC/M master clock restorer 2, CD/M main cables driver 1, and another road is parallel inputs RC/C output clock restorer 7; EQ/S will from 3G-SDI signal one tunnel input RC/S from clock recoverer 5, CD/S from cable drive 4 from cable equalizer 6, and another road is parallel input RC/C output clock restorer 7 also; MCU master controller 10 and input RC/C output clock restorer 7 control connection.
The concrete function of module and important devices:
1, its major function of CD/M main cables driver 1 has driving 3G-SDI signal, and the cable driver that its input signal loses function and cable detection function can simplify system fault diagnosis function, strengthens 3G-SDI signal quality, extends transmission distance.
2, its major function of RC/M master clock restorer 2 is that self-adaptive recovery is embedded in clock signal in digital video signal, regenerates the digital video signal of few shake.
3, its major function of EQ/M main cables equalizer 3 is balanced and recovers the main 3G-SDI signal of input, self adaptation cable equalizer is utilized to be that the loss of longer cable affords redress, for the cabling loss of printed circuit board affords redress, strengthen signal quality by Signal transmissions to RC/M master clock restorer.
4, CD/S has driving 3G-SDI signal from its major function of cable drive 4, and the cable driver that its input signal loses function and cable detection function can simplify system fault diagnosis function, strengthens 3G-SDI signal quality, extends transmission distance.
5, RC/S is that self-adaptive recovery is embedded in clock signal digital video signal from its major function of clock recoverer 5, and regenerates the digital video signal of few shake.
6, EQ/S is balanced from its major function of cable equalizer 6 and recovers sdi signal, self adaptation cable equalizer is utilized to be that the loss of longer cable affords redress, for the cabling loss of printed circuit board affords redress, strengthen signal quality by Signal transmissions to RC/S master clock restorer.
7, its major function of RC/C output clock restorer 7 is that self-adaptive recovery is embedded in clock signal in digital video signal, and regenerates the digital video signal of few shake.
8, its major function of CD/1 output line cable-laying device 8 is effective driving and balanced 3G-SDI signal, the cable driver that its input signal loses function and cable detection function can simplify system fault diagnosis function, improve signal quality, effectively extend signal transmission distance.
9, its major function of CD/2 output line cable-laying device 9 is effective driving and balanced 3G-SDI signal, the cable driver that its input signal loses function and cable detection function can simplify system fault diagnosis function, improve signal quality, effectively extend signal transmission distance.
10, its major function of MCU master controller 10 has been the configuration to each chip, in the major cycle cycle, the described CD/M main cables driver 1 described in MCU main controller module periodic scan, RC/M master clock restorer device 2, EQ/M main cables equalizer 3, CD/S, from cable drive 4, RC/S from clock recoverer 5, EQ/S from cable equalizer 6, RC/C output clock restorer 7, CD/1 output line cable-laying device 8, CD/2 output line cable-laying device 9, obtain each passage 3G-SDI signal(l)ing condition.
11, its function of power module 11 is mainly by the 3.3V voltage of input 5V photovoltaic conversion needed for the chips such as GS2988, GS2989, GS2993, GS2965.Ensure that each chip normally runs and product stability.
Concrete device connects: CD/M main cables driver 1 is connected with RC/M master clock restorer 2, and EQ/M main cables equalizer 3 is connected with RC/M master clock restorer device 1 and RC/C output clock restorer 7; CD/S is connected from clock recoverer 5 from cable drive 4 with RC/S, and EQ/S is connected from clock recoverer 5 and RC/C output clock restorer 7 from cable equalizer 6 with RC/S; RC/C output clock restorer 7 is connected with CD/1 output line cable-laying device 8 and CD/2 output line cable-laying device 9; MCU master controller 10 is connected from clock recoverer 5, EQ/S from cable equalizer 6, RC/C output clock restorer 7, CD/1 output line cable-laying device 8, CD/2 output line cable-laying device 9 from cable drive 4, RC/S with CD/M main cables driver 1, RC/M master clock restorer device 2, EQ/M main cables equalizer 3, CD/S; Power module 11 is connected from clock recoverer 5, EQ/S from cable equalizer 6, RC/C output clock restorer 7, CD/1 output line cable-laying device 8, CD/2 output line cable-laying device 9, MCU master controller 10 from cable drive 4, RC/S with CD/M main cables driver 1, RC/M master clock restorer device 2, EQ/M main cables equalizer 3, CD/S.
CD/M main cables driver 1 selects GS2988, and the DDI mouth of GS2988 is connected with the DDI0 mouth of described RC/M master clock restorer 2, and its major function has driving 3G-SDI signal, strengthens 3G-SDI signal quality, extends transmission distance.
GS2965 selected by RC/M master clock restorer 2, the DDO0 mouth of GS2965 with the DDI0 mouth of RC/C output clock restorer 7 be connected, its major function is that self-adaptive recovery is embedded in clock signal in digital video signal, and timing receipt digital video signal again.
GS2993 selected by EQ/M main cables equalizer 3, SDO1 mouth, the SDO2 mouth of GS2993 are connected with the DDI0 mouth of RC/M master clock restorer 2, be connected with the DDI0 mouth of RC/C output clock restorer 7, its major function is balanced and recovers sdi signal, strengthens signal quality.
CD/S selects GS2988 from cable drive 4, and the DDI mouth of GS2988 is connected from the DDI0 mouth of clock recoverer 5 with RC/S, and its major function has driving 3G-SDI signal, strengthens 3G-SDI signal quality, extends transmission distance.
RC/S selects GS2965 from clock recoverer 5, and the DDO0 mouth of GS2965 is connected with the DDI0 mouth of RC/C output clock restorer 7, and its major function is that self-adaptive recovery is embedded in clock signal in digital video signal, and timing receipt digital video signal again.
EQ/S selects GS2993 from cable equalizer 6, SDO1 mouth, the SDO2 mouth of GS2993 are connected from the DDI0 mouth of clock recoverer 2 with RC/S, be connected with the DDI0 mouth of RC/C output clock restorer 7, its major function is balanced and recovers sdi signal, strengthens signal quality.
GS2965 selected by RC/C output clock restorer 7, the DDO0 mouth of GS2965 is connected from the SDO2 mouth of cable equalizer 6 with the SDO2 mouth of EQ/M main cables equalizer 3 and EQ/S, its major function is that self-adaptive recovery is embedded in clock signal in digital video signal, and timing receipt digital video signal again.
CD/1 output line cable-laying device 8 selects GS2989, and the DDI mouth of GS2989 is connected with the DDO0 mouth of RC/C output clock restorer 7, and its major function is effective driving and balanced 3G-SDI signal.
CD/2 output line cable-laying device 9 selects GS2989, and the DDI mouth of GS2989 is connected with the DDO1 mouth of RC/C output clock restorer 7, and its major function is effective driving and balanced 3G-SDI signal.
W78E058D selected by MCU master controller 10, P0, the P1 of W78E058D, P2, P3 and CD/M main cables driver 1, RC/M master clock restorer 2, EQ/M main cables equalizer 3, CD/S are connected from cable equalizer 6, RC/C output clock restorer 7, CD/1 output line cable-laying device 8, each relevant interface of CD/2 output line cable-laying device 9 from cable drive 4, RC/S from clock recoverer 5, EQ/S, its major function has been the configuration to each chip, the full HD multi-media signal distributor of the utility model can be worked and optimum state, and signal quality is optimum.
Power module 11 selects LMS1587IS-3.3, and its function is mainly by the 3.3V voltage of input 5V photovoltaic conversion needed for the chips such as GS2988, GS2989, GS2993, GS2965.Ensure that each chip normally runs and product stability.
Embodiment two
On the basis of above-described embodiment comprising modules, the method of salary distribution of signal is: main 3G-SDI signal inputs through described EQ/M main cables equalizer 3, EQ/M main cables equalizer 3 pairs of input signals carry out the process such as equilibrium, point two-way that is disposed transfers to described RC/M master clock restorer 2 and RC/C output clock restorer 7, 3G-SDI Signal transmissions after the process of described RC/M master clock restorer 2 is to described CD/M main cables driver 1, 3G-SDI signal exports corresponding 1 tunnel 75 ohm coaxial cable to and exports corresponding connector through being driven through 75 ohm coaxial cable to and form main 3G-SDI hoop and go out.3G-SDI Signal transmissions after the process of described RC/C output clock restorer 7 is to described CD/1 main cables driver 8 and described CD/2 output line cable-laying device 9,3G-SDI signal exports corresponding 8 road BNC or F radio-frequency (RF) coaxial connector to by 75 ohm coaxial cable after the process such as described CD/1 main cables driver 8 and described CD/2 output line cable-laying device 9 drive, and forming 8 road 3G-SDI signals exports; Input from cable equalizer 6 from 3G-SDI signal through described EQ/S, EQ/S carries out the process such as equilibrium from cable equalizer 6 pairs of input signals, point two-way that is disposed transfers to described RC/S from clock recoverer 5 and RC/C output clock restorer 7, through described RC/S from clock recoverer 5 process after 3G-SDI Signal transmissions to described CD/S from cable drive 4,3G-SDI signal through be driven through 75 ohm coaxial cable export to corresponding 1 tunnel 75 ohm coaxial cable export to corresponding connector formed go out from 3G-SDI hoop.3G-SDI Signal transmissions after the process of described RC/C output clock restorer 7 is to described CD/1 main cables driver 8 and described CD/2 output line cable-laying device 9,3G-SDI signal exports corresponding 8 road BNC or F radio-frequency (RF) coaxial connector to by 75 ohm coaxial cable after the process such as described CD/1 main cables driver 8 and described CD/2 output line cable-laying device 9 drive, and the 3G-SDI signal forming eight tunnels exports.
Except logical message transmission, each module is separate, can keep low coupling.Whole firmware workflow diagram is as shown in Figure 3: first start main program; Then enter initialization, initialization comprises the initialization of described MCU master controller 10, the initialization of 3G-SDI signal input unit, 3G-SDI hoop go out unit initialization, the initialization of 3G-SDI signal output unit, the initialization of panel LED light; Then 3G-SDI signal input channel status poll, input channel status poll can carry out channel selecting and switching, and judge that whether effective the input of main 3G-SDI signal is, effective then RC/M master clock restorer 2 described in starting, invalid, forbid described RC/M master clock restorer 2 and CD/M main cables driver 1; Judge that whether effective its signal is after RC/M master clock restorer 2 described in unlatching, effectively then open described CD/M main cables driver 1, invalid, forbid described RC/M master clock restorer 2 and CD/M main cables driver 1.Arrange from 3G-SDI signalling channel, consistent with main 3G-SDI signalling channel process.
The major cycle cycle, CD/M main cables driver 1 described in MCU master controller 10 periodic scan, RC/M master clock restorer device 2, EQ/M main cables equalizer 3, CD/S, from cable drive 4, RC/S from clock recoverer 5, EQ/S from cable equalizer 6, RC/C output clock restorer 7, CD/1 output line cable-laying device 8, CD/2 output line cable-laying device 9, obtain each passage 3G-SDI signal(l)ing condition.Herein by controlling grand value setting 3G-SDI passage bridge sensitivity.When main 3G-SDI input channel exists effective sdi signal, secondary 3G-SDI channel setting is warm standby state, and input is always enable.When after the 3G-SDI dropout of main channel, access device can be switched to time 3G-SDI passage fast.If forbid Hot Spare, then there is low-power consumption, extend time 3G-SDI channel hardware life-span, and avoid the advantages such as the channels crosstalk that may exist.Described EQ/M main cables equalizer 3, EQ/S can be opened herein from cable equalizer 6 input cabling equalizer (traceEQ) function, open the quality that this function necessarily depth can be optimized input end signal, can contribute to extending PCB cabling.
Should be understood that; the application of this patent is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert; all these improve and convert the protection range that all should belong to this patent claims, repeat no more here.
Claims (5)
1. a full HD multi-media signal distributor, comprise: media delivery distribution module, power module, MCU module, is characterized in that: media delivery distribution module is connected to form from clock recoverer (5), EQ/S from cable equalizer (6), RC/C output clock restorer (7), CD/1 output line cable-laying device (8), CD/2 output line cable-laying device (9) from cable drive (4), RC/S by CD/M main cables driver (1), RC/M master clock restorer (2), EQ/M main cables equalizer (3), CD/S; EQ/M main cables equalizer (3) is by main 3G-SDI signal one tunnel input RC/M master clock restorer (2), CD/M main cables driver (1), and another road is parallel inputs RC/C output clock restorer (7); EQ/S will from 3G-SDI signal one tunnel input RC/S from clock recoverer (5), CD/S from cable drive (4) from cable equalizer (6), and another road is parallel input RC/C output clock restorer (7) also; Described MCU module is MCU master controller (10), with input RC/C output clock restorer (7) control connection.
2. signal distributor according to claim 1, it is characterized in that, described CD/M main cables driver (1) is connected with RC/M master clock restorer (2), and described EQ/M main cables equalizer (3) is connected with RC/M master clock restorer (2) and RC/C output clock restorer (7); Described CD/S is connected from clock recoverer device (5) from cable drive (4) with RC/S, and EQ/S is connected from clock recoverer (5) and RC/C output clock restorer (7) from cable equalizer (6) with RC/S; Described RC/C output clock restorer (7) is connected with CD/1 output line cable-laying device (8) and CD/2 output line cable-laying device (9).
3. signal distributor according to claim 2, is characterized in that: described MCU master controller (10) is connected from clock recoverer (5), EQ/S from cable equalizer (6), RC/C output clock restorer (7), CD/1 output line cable-laying device (8), CD/2 output line cable-laying device (9) from cable drive (4), RC/S with CD/M main cables driver (1), RC/M master clock restorer (2), EQ/M main cables equalizer (3), CD/S; Described power module (11) is connected from clock recoverer (5), EQ/S from cable equalizer (6), RC/C output clock restorer (7), CD/1 output line cable-laying device (8), CD/2 output line cable-laying device (9), MCU master controller (10) from cable drive (4), RC/S with CD/M main cables driver (1), RC/M master clock restorer (2), EQ/M main cables equalizer (3), CD/S.
4. the signal distributor according to Claims 2 or 3, is characterized in that: CD/M main cables driver (1), CD/S all select GS2988 from cable drive (4); RC/M master clock restorer (2), RC/S all select GS2965 from clock recoverer (5); EQ/M main cables equalizer (3), EQ/S all select GS2993 from cable equalizer (6); GS2965 selected by RC/C output clock restorer (7); CD/1 output line cable-laying device (8), CD/2 output line cable-laying device (9) all select GS2989; W78E058D selected by MCU master controller (10); Power module (11) selects LMS1587IS-3.3.
5. the signal distributor according to claim 1 or 2 or 3, it is characterized in that: main 3G-SDI signal is connected with RC/M master clock restorer (2) through EQ/M main cables equalizer (3), RC/M master clock restorer (2) is connected with CD/M main cables driver (1), and ring goes out main 3G-SDI signal; On the other hand, be connected from clock recoverer (5) from cable equalizer (6) with RC/S from 3G-SDI signal through EQ/S, RC/S is connected from cable drive (4) from clock recoverer (5) with CD/S, and ring goes out from 3G-SDI signal respectively; Main 3G-SDI signal and being connected with RC/C output clock restorer (7) from cable equalizer (6) respectively through EQ/M main cables equalizer (3) and EQ/S from 3G-SDI signal, RC/C output clock restorer (7) is connected with CD/1 output line cable-laying device (8) and CD/2 output line cable-laying device (9), exports the 3G-SDI signal on eight tunnels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520583142.5U CN204859359U (en) | 2015-08-05 | 2015-08-05 | Full HD multimedia signal distributor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520583142.5U CN204859359U (en) | 2015-08-05 | 2015-08-05 | Full HD multimedia signal distributor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072357A (en) * | 2015-08-05 | 2015-11-18 | 合肥赛为智能有限公司 | Full high definition multimedia signal distributor and distribution method thereof |
| CN109151344A (en) * | 2018-09-26 | 2019-01-04 | 深圳蓝集科技有限公司 | A kind of automatic redundant transmission device of wireless image transmission |
-
2015
- 2015-08-05 CN CN201520583142.5U patent/CN204859359U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072357A (en) * | 2015-08-05 | 2015-11-18 | 合肥赛为智能有限公司 | Full high definition multimedia signal distributor and distribution method thereof |
| CN109151344A (en) * | 2018-09-26 | 2019-01-04 | 深圳蓝集科技有限公司 | A kind of automatic redundant transmission device of wireless image transmission |
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