CN201063723Y - Central box for connecting signal source and play equipment - Google Patents
Central box for connecting signal source and play equipment Download PDFInfo
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- CN201063723Y CN201063723Y CNU2007201205447U CN200720120544U CN201063723Y CN 201063723 Y CN201063723 Y CN 201063723Y CN U2007201205447 U CNU2007201205447 U CN U2007201205447U CN 200720120544 U CN200720120544 U CN 200720120544U CN 201063723 Y CN201063723 Y CN 201063723Y
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Abstract
The utility model relates to a central box for connecting signal sources and playing equipment, comprising: a shell; a multi-channel receiving and processing unit, a central control unit connected with the multi-channel receiving and processing unit, an audio and video processing unit and an audio/video output port which are arranged in the shell; a remote control receiving unit and a small keyboard input unit which are connected with the central control unit; one or more than one signal source interface unit which is connected with the multi-channel receiving and processing unit and the central control unit and is used for interfacing with a signal source device. The signal source interface unit at least comprises a power supply terminal, a control information terminal and an audio signal/video signal terminal which are used to be electrically connected with corresponding terminals of the signal source device. The utility model can fully take advantage of the prior equipment source to play the audio/video signals from various signal sources, can save the investment of the user, contribute to the environmental protection, and can be conveniently and flexibly upgraded.
Description
Technical field
The utility model relates to the audio/video Play System, more particularly, relates to a kind of central cassette that is used to connect signal source and playback equipment.
Background technology
At present, the television set that mostly is the reception analog signal that is widely used, in the epoch that Digital Television arrives, be to pass through external equipment mostly, as, set-top box, DVD, DVB, through after the changing of digital to analogy signal, the signal that changes into A/V or low display resolutions such as Y, U, V after digital signal received shows to television set, and as shown in Figure 1, television set is by A/V port plug into respectively DVD player top box, DVB set-top box, IP-TV set-top box, simultaneously, need 3 remote controllers respectively, at this moment, still simulation, that resolution is the very low image that people watch.Simultaneously because the external equipment kind is many, these equipment rooms have many resources to repeat, as: each machine is all wanted power supply, every equipment all needs a remote controller, each product all has the lead-out terminal of many colorfulnesses, so just cause the aerial lug complexity, installed, use extremely inconvenient and take up space, used distinct device all need connect one time the end of a thread again.Simultaneously, also inconvenience preservation of a plurality of remote controllers, operation.The user increases a new equipment, must be complete machine, thereby the comprehensive use cost of user is higher, the no standard of each equipment output simultaneously, and like product interface, performance difference are big.
On the other hand, the high-end digital television of some costlinesses has the display mode of high-resolution (1080P, 1080i, 720P), and external equipment need connect with it by miscellaneous interface (VGA, DIV, HDMI etc.).Because the kind of interface of television set own is various, make outside auxiliary products, as: the output mode of set-top box is also of all kinds, and often the output signal of set-top box can't guarantee that also picture quality effect performance with high-end television sets is to ultimate attainment.
In the prior art, also useful combination has the digital television of single signal source, as shown in Figure 2, combination has DVD or DVB or IPTV in advance in the main frame of this television set, owing to there is not intelligence interface, can't increase new digital program reception sources, the existing system upgrading is also relatively more difficult, the scrambled TV service that can't adapt to different regions when prior receives, and can't satisfy the different information flow requirement of possibility between each area, each operator.Because a certain specific function and main frame are made complete machine, destroyed the standardization of main frame, simultaneously, the specific function also not all client of possibility is needed.This type of type is generally the customization of a certain class particular client colony, is used for the specific occasion, but not popular demand, product can not be popularized in an all-round way.Along with the development of digitizing technique, at present, DVD, DVB, device interiors such as IPTV are handled all fully digitalizations and technical standard standard for the reading of audio-video signal, decompression etc.Popularize in the whole world at the digital audio/video standard interface HDMI of digital high-definition television is very fast, like this, between these equipment and Digital Television, no longer need to transmit analog signal, and directly sound, the video signal of transmission standard will be trends of the times.
Deficiency at the above-mentioned various connected modes of prior art, for overcoming production cost height, social resources waste, industry and auxiliary products are lack of standardization, like product varies, the client chooses, install and use complicated many shortcomings, also for adapting to the constantly trend of development of WeiLai Technology, the applicant has proposed a solution, a kind of new television models as shown in Figure 3 (and referring on 01 17th, 2007 bulletins, notification number is the Chinese utility model patent specification of CN2859953).The casing of the multifunctional digital television set of this band intelligence interface is provided with at least one signal source interface of following the HDMI standard, can cooperate with the signal source device of following the HDMI standard equally.It not only can have DVD, DVB, IPTV, TV function simultaneously like this, and the increase of function newly only need meet the intelligence interface standard later on, can adaptive easily and upgrading.
But, for the user who has the A/V playback equipment (as analog or digital television set, computer etc.) that uses single signal source, how do not waste existing equipments resources, under the situation of less input fund, conveniently various signal sources are docked with these single signal source playback equipments simple and direct, scalablely, are still a considerable problem.
The utility model content
The technical problems to be solved in the utility model is, can't make things convenient for quickly and easily the defective of plugging at the above-mentioned single signal source playback equipment of prior art, a kind of device that various signal sources and existing single signal source playback equipment can be plugged into is provided with various signal sources.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of central cassette that is used to connect signal source and playback equipment, the multichannel that comprises housing and be arranged at wherein receives processing unit, receive the central control unit that processing unit is connected with multichannel, Voice ﹠ Video processing unit and audio/video output port, and remote control receiving element that is connected with central control unit and keypad input unit, also comprise with described multichannel and receive processing unit, described central control unit connects the one or more signal source interface unit that is used for the signal source device interface, described signal source interface unit comprises power end at least, control information end and audio signal/vision signal end is used for being electrically connected with the corresponding terminal of described signal source device.
In central cassette described in the utility model, described audio/video output port is digital audio/video output port.
In central cassette described in the utility model, described audio/video output port is simulation audio/video output port.
In central cassette described in the utility model, described audio/video output port comprises digital audio/video output port and simulation audio/video output port, and described central cassette also comprises the output mode switching device shifter that is used to select to simulate output or numeral output.
In central cassette described in the utility model, the number of described signal source interface unit is 1-3, belongs to 1,2 or 3 that are used for four signal source devices that DVB digital broadcasting, DVD digital broadcast program and bilateral network video request program and simulated television receive respectively.
In central cassette described in the utility model, be each described signal source device, the notch that patches of a unified width of admitting described signal source device is set respectively on the housing of central cassette, the bottom that patches notch is provided with the connector that each power supply terminal, control information terminal and audio signal/the vision signal termination contact is electrically connected with signal source device, and the signal of telecommunication that this connector constitutes described signal interface unit connects and terminal is arranged.
In central cassette described in the utility model, the terminal of described signal source interface unit comprises TMDS end, DDC end, CEC end, serial transmitting-receiving and clock end, voice signal end, picture intelligence end, power end and housing shroud end.
In central cassette described in the utility model, the terminal of described signal source interface unit comprises the DC12V of 1 pin and 2 pin, the POWER-GND of 3 pin and 4 pin, the TMDS data 2+ of 5 pin, TMDS data 2 shieldings of 6 pin, the TMDS data 2-of 7 pin, the TMDS data 1+ of 8 pin, TMDS data 1 shielding of 9 pin, the TMDS data 1-of 10 pin, the TMDS data 0+ of 11 pin, TMDS data 0 shielding of 12 pin, the TMDS data 0+ of 13 pin, the TMDS data 0+ of 14 pin, the TMDS clock shielding of 15 pin, the TMDS clock of 16 pin-, the CEC of 17 pin, the NC of 18 pin, the SCL of 19 pin, the SYS-SDA of 20 pin, the SYS-CLK of 21 pin, the AGND of 22 pin, the AUDIO-L of 23 pin, the AUDIO-R of 24 pin, the YGNDL of 25 pin, the Y of 26 pin, the U of 27 pin, the V of 28 pin, the DC12V/5A of 29 pin, the shell ground SHIELD-GND of the POWER-GND of 30 pin and 31 pin.
In central cassette described in the utility model, described voice signal end comprises audio frequency ground, L channel and R channel, and described picture intelligence end comprises video ground, Y end, U end and V end.
In central cassette described in the utility model, also comprise one with the supporting remote controller of central cassette, the code value sequence of described remote controller emission is made up of the device number+function key assignments of signal source device.
Implement central cassette of the present utility model, have following beneficial effect: can make full use of existing equipments resources and play audio/video signal, save customer investment and also be beneficial to environmental protection from various signal sources.Because the standardized designs of signal source interface, it is supporting with the signal source device that adopts same interface standard, modularized design, can adapt to the development of audio frequency, video, multimedia information technology from now on and the enforcement of new standard, upgrade easily and flexibly.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is in the prior art, and all kinds of device A/V that connect export the schematic diagram that is connected to simulated television;
Fig. 2 is the schematic diagram that contains the high-end digital television of single signal source in the prior art;
Fig. 3 is the structural representation of the multifunctional digital television set of prior art band intelligence interface;
Fig. 4 is the schematic diagram that has adopted the Play System of the utility model central cassette;
Fig. 5 is the theory diagram of the utility model central cassette;
Fig. 6 is the connector pin schematic diagram that the signal source interface uses in the utility model central cassette;
Fig. 7 is the connection diagram of signal source device and signal source interface unit;
Fig. 8 is the connection diagram of signal source interface unit in the utility model central cassette;
Fig. 9 A cooperates the remote controller of the utility model central cassette at the schematic diagram that uses under the DVD signal source situation;
Fig. 9 B cooperates the remote controller of the utility model central cassette at the schematic diagram that uses under the IP-TV signal source situation;
Fig. 9 C cooperates the remote controller of the utility model central cassette at the schematic diagram that uses under the LCD-TV signal source situation.
Embodiment
Fig. 4 is the schematic diagram that has adopted the Play System of the utility model central cassette.As shown in Figure 4, DVD signal source device 101, DVB signal source device 102, IP-TV signal source device 103 are connected to playback equipment 300 by central cassette 200.Central cassette 200 comprises interface and treatment circuit 201 (detail is introduced below in conjunction with Fig. 5).Central cassette 200 also is connected with power supply 400, the operation of remote controller 500 may command central cassette 200.Its operation principle is as follows: after powering on, under the control of remote controller 500, central cassette 200 is from DVD signal source device 101 or DVB signal source device 102 or IP-TV signal source device 103 reception information, and signal is carried out respective handling according to the type and the required output signal type of playback equipment of input signal, produce output audio/video signal, and output to playback equipment 300 by output interface.In one embodiment, central cassette 200 is output as simulation audio/video signal, and it can directly send simulated television to and play.In another embodiment, central cassette 200 is output as digital audio/video signal, and it can directly send digital television to and play.In another embodiment, central cassette 200 comprises an output mode switching device shifter, can select digital audio/video signal of output or simulation audio/video signal according to the type (as numeral or simulation) of playback equipment.
As an embodiment, signal source device of the present utility model also can comprise simulation signal generator, and when playback equipment was digital television or computer, central cassette can become analog signal conversion digital signal directly to deliver to playback equipment to play.
In the theory diagram of the utility model central cassette shown in Fig. 5, comprise that multichannel receives processing unit 210, receive video processing unit 211 and the audio treatment unit 213 that processing unit 210 is connected with multichannel respectively, video output interface 212 and the audio output interface 214 that is connected with audio treatment unit 213 with video processing unit 211 respectively, also comprise with multichannel and receive the central control unit (MCU) 215 that processing unit 210 is connected, and remote control receiving element 217 that is connected with central control unit 215 and keypad input unit 216, also comprise with multichannel receiving processing unit 210, central control unit 215 connects the one or more signal source interface unit 218 that is used for the signal source device interface.
Central cassette signal source interface unit 218 circuit of the present utility model comprise having adopted and include the HDMI (abbreviation of " HDMI (High Definition Multimedia Interface) ", this interface is proposed by companies such as Toshiba, interface specification has been disclosed on the WWW.HDMI.ORG website) the unified signal source interface unit of standard, make can be connected by this interface unit mutually between signal source device and the central cassette.So-called signal source interface unit, concrete is exactly coming the audio frequency and video numeral outputting standard of signals specification source apparatus with the HDMI standard when, the input interface of standard central cassette, form with slot connects and the fixed signal source apparatus then, as above-mentioned DVD signal source device 101, DVB signal source device 102 and IP-TV signal source device 103.In addition, the signal source interface unit that the utility model central cassette adopts is owing to comprised the power information terminal, can also realize that central cassette provides power supply by this signal source interface unit to each signal source device or signal source module, between each signal source device and central cassette, set up control information contact mechanism simultaneously so that the work of coordinating and unifying ground.Signal source interface unit of the present utility model in a word comprises power information terminal, control information terminal and voice signal and picture intelligence terminal at least, is used for being electrically connected with the corresponding terminal of described signal source device.
As previously mentioned, signal source interface unit 18 comprises power information terminal, control information terminal and A/V audio-video signal terminal at least, is used for being electrically connected with the corresponding terminal of described signal source device.In Fig. 5, also show signal source device 101,102,103, each digital signal source apparatus 101,102,103 by signal source interface unit 218 interfaces, in other words, digital signal source apparatus 101,102, the 103rd, signal source interface unit 218 interfaces by connector by specification as shown in Figure 6 and central cassette, behind the connector of the unified intelligence interface that adopts between central cassette and the various types of signal source apparatus, can support the resolution of various demonstrations (as 1080P 1080I by interface unit 218,720P 480P 480i) etc., can also support the control line of various uses, to finish the interlock between each signal source device, unify remote control and can support required separately power supply.Each is inserted into all necessary standard that adapts to this signal source interface unit of signal source device on the central cassette like this, as DVB-T, DVB-S, DVB-C, DVD, IP-TV, and simulated television receiver etc.Can select different signal source device 101,102,103 by remote controller 500, by remote controller 500, reach the purpose of selecting different programs again.So just can the program in the various signal sources be sent to playback equipment, as simulated television, digital television, computer or the like by central cassette.
As shown in Figure 5, central cassette function standardizing of the present utility model can make the adaptation region more extensive, and suitable producer is more.And with DVD, DVB, each function signal source apparatus such as IP-TV or module are carried out the modularized design of standard, and functional configuration freedom and flexibility and cost are relatively low.When using, only need needs, signal source device or module combine just passable as building blocks one by one according to oneself.Like this, for the signal source product of following new spec new standard, the adding utilization of new technology leave enough performance spaces, and following module and the connection of existing module have all been performed all preparations from aspects such as interface specification, software upgradings, can guarantee to accomplish seamless online.The what's new module only need be used same interface specification, meet unified protocol specification and just can directly add in the future.In addition, whole system software can upgrade upgrading by single part.
Be connected by the signal source interface unit between each signal source device/module and the central cassette main frame and set up mutual organic communication contact, link by standard agreement between each module.Unified standard has been arranged, for producer, consumer, nature can or have been bought better product with lower price production, do not worry simultaneously making very expensive thing very fast superseded along with the development of technology, also can be because of the reasonable resources utilization, reduce cost, improved product quality, more competitive in the international market.Simultaneously,, each module can be organically combined well, be easy to realize some more complicated specific functions, can become more simple and convenient on the contrary in the operation simultaneously because be really to design as a systematic unity.
Because the power supply of each signal source module is all provided by interface unit by television main, thereby do not need the external connection line cable, and because the DC power supply of the direct outputting standard of central cassette main frame, each signal source device extension set inside no longer needs complicated circuit such as ac-dc conversion, equal each extension set and all saved a block power supply plate, integrated cost has reduced.
In the theory diagram of the utility model central cassette shown in Figure 5, signal source device includes but not limited to: digital broadcasting (DVB), digital broadcast program source (DVD), bilateral network video request program (IP-TV) or DVR various standard signal sources such as (digital video CD writer) are arranged.MCU 215 parts are got in touch in central cassette and the foundation of each intermodule by a master chip MCU51 among Fig. 5, unified scheduling controlling, accept remote control command, work such as control centre's box and the switching of each functions of modules, power supply provider switch, operating state cooperation can make product realize enriching comprehensive function:
A) can watch the digital broadcast signal that optical fiber DVB-C or satellite DVB-S transmission come by DVB;
B) can pass through conventional store media such as CD, storage card etc. are play the current popular audio-video signal.
C) can carry out interaction or interactive information broadcast by INTERNET.
D) be what's new module reservation in the future.
Fig. 6 is the connector schematic diagram of the signal source interface unit of the utility model central cassette.In realizing the design of signal source device modular insert, a kind of signal source interface of employing has defined some power supply letters, control information and A/V audio/video information, and some standby messages, upgrading and expansion etc. after being used for.By this interface, can between signal source device and digital television, transmit the digital audio/video signal of high definition wash rice.Aspect audio frequency, support compression to reach not compression digital signal (DTS, THX, DOLBY DIGITAL etc.), support multiple sample rate (32K-196K), can obtain the effect of CD high tone quality.Aspect video, can support high clear degree picture.Multiple high definition pixel output (reaching as high as 1920*1080P at present) is arranged, obtain grace video effect clearly easily.
Aspect transmission control, interface also has perfect control information transmission, has to improve very much and powerful protocol specification.
Interface is supported hot plug (plug and play).
The signal source interface is the mixed type digital audio/video interface, the digital audio/video transmission aspect of standard meets general international standard HDMI fully, and the HDMI standard becomes the pressure standard configuration of digital high-definition television very soon, later on new products scheme adds, must at first can meet the HDMI international standard, the audio frequency and video output facet has just obtained standard like this.For convenient, other increases the handshake between main frame and each the modularization extension set, the power supply supply, and partly mouthful line is standby for the module adding of new product has been reserved.This interface is as only physical connection between extension set and the main frame, adopt real core copper material gold-plated, add the clamping of nickel plating steel, install the lock screw fixture simultaneously additional, guarantee to engage accurately accurate, contact-making surface is big, it is little to possess impedance, anti-oxidant, corrosion-resistant, anti-aging, and steady in a long-term firm good characteristic.Concrete each terminal is carefully stated as follows:
Among Fig. 6, pin 1～4 provides each modular power source terminal for central cassette, and designed capacity is DC12V/5A, i.e. 60W load capacity, and enough general utility functions module work is used.Each pin specifies as follows:
1+2 DC12V offers arbitrary modular power source by central cassette
3+4 POWER-GND
Among Fig. 6 5～21 totally 19 butts be that the HDMI interface of standard uses, be specially:
2 shieldings of 6TMDS data
7TMDS data 2-
1 shielding of 9TMDS data
10TMDS data 1-
0 shielding of 12TMDS data
13TMDS data 0-
The 14TMDS clock+
The shielding of 15TMDS clock
The 16TMDS clock-
The control of 17CEC-E-consumer
18 keep (NC on device)
19SCL-HDMI transceiving chip serial communication clock
20SYS-SDA transceiving chip serial communication data
The 21SYS-CLK transceiving chip is ganged up news clock certificate
22AGND audio frequency ground
A 23Audio_L analogue audio frequency left side or module simulation sound export television set (optional) to
24AUDIO-R audio frequency right wing signal
25VGND analog video ground
The brightness of 26Y-component vide
27U-component vide aberration 1
28V-component vide aberration 2
The 29DC12V/5A power supply
30POWER-GND power supply ground
31SHIELD_GND shell ground
In the connection diagram of signal source device shown in Fig. 7 and signal source interface unit, the 1-19 pin of signal source interface is used to connect TMDS (abbreviation of " Transition Minimized DifferentialSignalling "), DDC (abbreviation of " display data channel ") and CEC (abbreviation of " consumer electronics control "); Wherein, TMDS has 3 channels (being respectively applied for the auxiliary signal of audio frequency, video) and a clock signal, and 20,21 pin of signal source interface are used to connect SYS-SDA and SYS-CLK; The 22-24 pin of signal source interface is respectively applied for AGND, AUDIO-L and the AUDIO-R that connects audio-frequency unit; The 25-28 pin of signal source interface is used to connect YGND, Y, U, the V of video section; 29 pin of signal source interface are used to connect DC12V/5A; 30 of signal source interface is used to connect POWER-GND; 31 of signal source interface is used to connect shell ground SHIELD-GND.
In the central cassette of the present utility model shown in Fig. 8 in the connection diagram of signal source interface unit, same, the 1-19 pin that 30 of signal source interface is used to connect the signal source interface is used to connect TMDS, DDC and CEC (optional); 20,21 pin of signal source interface are used to connect SYS-SDA and SYS-CLK; The 22-24 pin of signal source interface is respectively applied for AGND, AUDIO-L and the AUDIO-R that connects audio-frequency unit; The 25-28 pin of signal source interface is used to connect YGND, Y, U, the V of video signal portions; 29 pin of signal source interface are used to connect DC12V/5A; 30 of signal source interface is used to connect POWER-GND; 31 of signal source interface is used to connect shell SHIELD-GND.
The schematic diagram of the remote controller that Fig. 9 A, 9B, 9C use for the utility model central cassette.Remote controller is the pressure-sensitive touch-screen, uses the stylus choice menus operation of giving as an addition (being called for short dexterous remote controller).The whole system single remote controller is simple to operate.The tradition occupation mode is main frame and each autogamy remote controller of each function extension set, uses inconvenient.The module cordwood system type is because integration and united and coordinating main frame and each module are a community, it is loose like that each module and the relation of main frame are no longer seemingly separated line-connection type, in it contact be to be based upon under the unified patent interface, controlled by unified protocol specification, has been not only that physical connection is so simple each other.Main frame and intermodule after each intermodule is all set up communication, use single remote controller control whole system to become a very a piece of cake.This remote controller has (SOURCE) button, can select TV-" DVD-" DVB-" derived digital signal that IP-TV is different.In response to each functional module characteristics separately, the automatic mapping function menu of the concrete module displaying contents that the remote controller displays screen is controlled with the need.
For example, when choosing the DVD functions of modules, Fig. 9 A works, touch " power " key that is positioned at position, angle on Fig. 9 A leftmost side, system will only open the power supply of DVD signal source device and operate, digital television only receives the digital audio-video signal input of DVD player this moment, and other modular power source keeps closed condition.For realizing above-mentioned functions, the remote controller code value sequence is: device number+function key assignments; When distant device was cut different operator schemes, system's code value of its emission remote control mode was different, represents the different objects of controlling, as:
0x55AA0001 represents that the power key 0x55AA indication equipment of DVD is DVD
0x35280001 represents that the power key 0x3528 indication equipment of DVB is DVB
0x28390001 represents that the power key 0x2839 indication equipment of IP-TV is DVB
Infrared shaven head receives the intelligent distant control sign indicating number in central cassette, must be after the MCU decoding to device number and function key assignments, MCU can be according to the whole system status condition, after carrying out necessary preparation, when opening DVD: open DVD power supply relay switch, switch relevant analog input electronic switch and classify the DVD group as, pass through SYS-CLK as the first time, SYS-DAT sends power-on command to the DVD module, waits for that DVD is ready.In the processing subsequently, if playback equipment is a simulated television, then the audio/video processing unit in the central cassette generates the analog signal that meets television system to handling from the signal of DVD signal source device; If playback equipment is a digital television, then the audio/video processing unit in the central cassette generates the digital signal that meets digital television format to handling from the signal of DVD signal source device.
In like manner, when choosing the IP-TV functions of modules, Fig. 9 B works; When choosing the LCD-TV functions of modules, Fig. 9 C works; And its operating principle and process are similar when using the DVD signal source device together.
Claims (10)
1. central cassette that is used to connect signal source and playback equipment, it is characterized in that, the multichannel that comprises housing and be arranged at wherein receives processing unit, receive the central control unit that processing unit is connected with multichannel, Voice ﹠ Video processing unit and audio/video output port, and remote control receiving element that is connected with central control unit and keypad input unit, also comprise with described multichannel and receive processing unit, described central control unit connects the one or more signal source interface unit that is used for the signal source device interface, described signal source interface unit comprises power end at least, control information end and audio signal/vision signal end is used for being electrically connected with the corresponding terminal of described signal source device.
2. central cassette according to claim 1 is characterized in that, described audio/video output port is digital audio/video output port.
3. central cassette according to claim 1 is characterized in that, described audio/video output port is simulation audio/video output port.
4. central cassette according to claim 1, it is characterized in that, described audio/video output port comprises digital audio/video output port and simulation audio/video output port, and described central cassette also comprises the output mode switching device shifter that is used to select to simulate output or numeral output.
5. according to each described central cassette in the claim 1 to 4, it is characterized in that, the number of described signal source interface unit is 1-3, belongs to 1,2 or 3 that are used for four signal source devices that DVB digital broadcasting, DVD digital broadcast program and bilateral network video request program and simulated television receive respectively.
6. according to the described central cassette of claim 5, it is characterized in that, be each described signal source device, the notch that patches of a unified width of admitting described signal source device is set respectively on the housing of central cassette, the bottom that patches notch is provided with the connector that each power supply terminal, control information terminal and audio signal/the vision signal termination contact is electrically connected with signal source device, and the signal of telecommunication that this connector constitutes described signal interface unit connects and terminal is arranged.
7. according to the described central cassette of claim 6, it is characterized in that the terminal of described signal source interface unit comprises TMDS end, DDC end, CEC end, serial transmitting-receiving and clock end, voice signal end, picture intelligence end, power end and housing shroud end.
8. according to the described central cassette of claim 6, it is characterized in that the terminal of described signal source interface unit comprises the DC12V of 1 pin and 2 pin, the POWER-GND of 3 pin and 4 pin, the TMDS data 2+ of 5 pin, TMDS data 2 shieldings of 6 pin, the TMDS data 2-of 7 pin, the TMDS data 1+ of 8 pin, TMDS data 1 shielding of 9 pin, the TMDS data 1-of 10 pin, the TMDS data 0+ of 11 pin, TMDS data 0 shielding of 12 pin, the TMDS data 0+ of 13 pin, the TMDS data 0+ of 14 pin, the TMDS clock shielding of 15 pin, the TMDS clock of 16 pin-, the CEC of 17 pin, the NC of 18 pin, the SCL of 19 pin, the SYS-SDA of 20 pin, the SYS-CLK of 21 pin, the AGND of 22 pin, the AUDIO-L of 23 pin, the AUDIO-R of 24 pin, the YGNDL of 25 pin, the Y of 26 pin, the U of 27 pin, the V of 28 pin, the DC12V/5A of 29 pin, the shell ground SHIELD-GND of the POWER-GND of 30 pin and 31 pin.
9. described according to Claim 8 central cassette is characterized in that described voice signal end comprises audio frequency ground, L channel and R channel, and described picture intelligence end comprises video ground, Y end, U end and V end.
10. according to the described central cassette of claim 5, it is characterized in that, also comprise one with the supporting remote controller of central cassette, the code value sequence of described remote controller emission is made up of the device number+function key assignments of signal source device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201205447U CN201063723Y (en) | 2007-06-04 | 2007-06-04 | Central box for connecting signal source and play equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201205447U CN201063723Y (en) | 2007-06-04 | 2007-06-04 | Central box for connecting signal source and play equipment |
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| CN201063723Y true CN201063723Y (en) | 2008-05-21 |
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| CNU2007201205447U Expired - Fee Related CN201063723Y (en) | 2007-06-04 | 2007-06-04 | Central box for connecting signal source and play equipment |
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Cited By (5)
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| CN101894537A (en) * | 2010-06-30 | 2010-11-24 | 清远市佳的美电子科技有限公司 | Multi-information source switching control system of presentation terminal |
| CN101902605A (en) * | 2009-06-01 | 2010-12-01 | 海尔集团公司 | Television signal transfer box and control method thereof |
| CN103414894A (en) * | 2013-07-29 | 2013-11-27 | 上海凯统信息科技有限公司 | Wireless real-time screen transfer equipment and method |
| CN103813122B (en) * | 2012-11-06 | 2017-08-04 | 宏正自动科技股份有限公司 | Image device control system, image device serial connection equipment and image device control method |
| CN110730312A (en) * | 2019-10-24 | 2020-01-24 | 深圳市恒瑞泰电子有限公司 | Video source signal switching system and device |
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2007
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902605A (en) * | 2009-06-01 | 2010-12-01 | 海尔集团公司 | Television signal transfer box and control method thereof |
| CN101894537A (en) * | 2010-06-30 | 2010-11-24 | 清远市佳的美电子科技有限公司 | Multi-information source switching control system of presentation terminal |
| CN101894537B (en) * | 2010-06-30 | 2012-10-10 | 清远市佳的美电子科技有限公司 | Multi-information source switching control system of presentation terminal |
| CN103813122B (en) * | 2012-11-06 | 2017-08-04 | 宏正自动科技股份有限公司 | Image device control system, image device serial connection equipment and image device control method |
| CN103414894A (en) * | 2013-07-29 | 2013-11-27 | 上海凯统信息科技有限公司 | Wireless real-time screen transfer equipment and method |
| CN110730312A (en) * | 2019-10-24 | 2020-01-24 | 深圳市恒瑞泰电子有限公司 | Video source signal switching system and device |
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Granted publication date: 20080521 Termination date: 20130604 |