CN103402069A - Electronic equipment, and display device and signal processing device for electronic equipment - Google Patents
Electronic equipment, and display device and signal processing device for electronic equipment Download PDFInfo
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Abstract
The invention provides electronic equipment, and a display device and a signal processing device for the electronic equipment. The display device is connected with the signal processing device through a transmission interface. The transmission interface comprises a multimedia signal transmission interface. The multimedia signal transmission interface comprises a plurality of differential signal transmission channels. One or more agreed protocols between the display device and the signal processing device are used for coding differential signals transmitted by the differential signal transmission channels. The differential signal transmission channels are divided into a plurality of transmission channel groups which are used for transmitting the differential signals coded by different agreed protocols. Moreover, at least one of the differential signal transmission channels is a shared channel of different transmission channel groups. According to the electronic equipment, the display device and the signal processing device, a few transmission channels can be used for the transmission of a plurality of protocols by sharing the differential signal transmission channels, so that a conflict between interface compatibility and interface scale is resolved.
Description
Technical field
The present invention relates to a kind of electronic equipment and display unit thereof and signal processing apparatus, relate in particular to the separate electronic equipment of a kind of display unit and signal processing apparatus.
Background technology
At present, the signal processing apparatus of consumer electronics product with display unit tighter integration be in the same place, take LCD TV as example, its signal processing apparatus (being often referred to TV SKD) and display unit (being often referred to LCDs) tighter integration form a complete television set together, and can't realize independent renewal or the upgrading of signal processing apparatus or display unit.
Yet for LCD TV, the technical development speed of display unit lags behind signal processing apparatus usually.The signal processing apparatus of a LCD TV will fall behind usually comprehensively after 1～2 year,, processing speed higher by performance hardware plan faster replaces, and the technical specification of LCDs can not fall behind in a long time.Therefore, due to the update of television set normally can't be met consumers' demand because of the performance of signal processing apparatus.
From the cost aspect; LCDs accounts for 60%～70% of whole set of television cost; the consumer eliminates complete machine because the signal processing apparatus performance falls behind; can directly cause 60%～70% value waste; this when being wasted in economic loss, also can bring the pressure of the aspects such as electron wastes processing, ecological environmental protection.
Be directed to this, have the dealer to propose the LCD TV that a kind of display unit and signal processing apparatus are separately manufactured.In this LCD TV, display unit comprises LCDs, and signal processing apparatus comprises external input signal processing module and multimedia signal dispose module.The external input signal processing module is for receiving the input signal of external equipment (as set-top box, DVD etc.), after the signal that receives is processed, it is passed to the multimedia signal dispose module, the multimedia signal dispose module carries out image quality for the signal to receiving and tonequality is processed, and then by the coffret between display unit and signal processing apparatus, it is passed to display unit.
This LCD TV, by display unit and signal processing apparatus are separately manufactured, makes independent renewal or the upgrading of signal processing apparatus become possibility.Yet, in the signal processing apparatus of this LCD TV, have the technical development of some parts (for example acoustic processing, image processing section) slower, and do not need upgrade frequently or change.But because these are partly integrated in signal processing apparatus and need to be with the replacing of signal processing unit, and cause certain cost waste; In addition, because module integrated in signal processing apparatus is more, and make coffret between display unit and signal processing apparatus need content to be processed to increase and increased the scale of interface; And, because acoustic processing, image processing section are integrated in signal processing apparatus, and all need sound quality and the picture quality of LCD TV are debugged again after making each replacing, and increased the use complexity of this kind LCD TV.Therefore, be necessary above-mentioned LCD TV is improved.
Summary of the invention
In view of this, the invention provides electronic equipment and display unit and the signal processing apparatus that between a kind of its display unit and signal processing apparatus, the coffret scale is less.
Electronic equipment provided by the invention comprises display unit and signal processing apparatus.Described display unit is connected by a coffret with signal processing apparatus.Described coffret comprises a multi-media signal coffret.Described multi-media signal coffret comprises a plurality of differential signal transmission passages.The differential signal of described a plurality of differential signal transmission channel transfer uses one or more rendezvous protocols between described display unit and described signal processing apparatus to encode.Described a plurality of differential signal transmission passage is divided into a plurality of transmission channel groups, and these transmission channel groups are for transmitting the differential signal of different rendezvous protocol codings.And at least one the differential signal transmission passage in described a plurality of differential signal transmission passages is the common-use tunnel of different transmission channel groups.
Display unit provided by the invention comprises a coffret, described coffret comprises a multi-media signal coffret, described multi-media signal coffret comprises a plurality of differential signal transmission passages, described a plurality of differential signal transmission passage is divided into a plurality of transmission channel groups, these transmission channel groups are for transmitting the differential signal of different rendezvous protocol codings, and at least one the differential signal transmission passage in described a plurality of differential signal transmission passage is the common-use tunnel of different transmission channel groups.
Signal processing apparatus provided by the invention comprises a coffret, described coffret comprises a multi-media signal coffret, described multi-media signal coffret comprises a plurality of differential signal transmission passages, described a plurality of differential signal transmission passage is divided into a plurality of transmission channel groups, these transmission channel groups are for transmitting the differential signal of different rendezvous protocol codings, and at least one the differential signal transmission passage in described a plurality of differential signal transmission passage is the common-use tunnel of different transmission channel groups.
in the present invention, the differential signal transmission passage is divided into a plurality of transmission channel groups be used to the differential signal that transmits different rendezvous protocol codings, and at least one the differential signal transmission passage in the differential signal transmission passage is the common-use tunnel of different transmission channel groups, make the present invention by the shared quantity that can effectively reduce transmission channel of the transmission channel of different transmission channel groups, make the present invention utilize less transmission channel can realize the transmission of various protocols, solved the contradiction between interface compatibility and interface scale, make electronic equipment of the present invention utilize the coffret of small-scale can realize the transmission of the differential signal of multiple rendezvous protocol coding.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
The accompanying drawing explanation
Figure 1 shows that the system architecture schematic diagram of electronic equipment of the present invention.
Figure 2 shows that the schematic diagram of the multi-media signal coffret of one embodiment of the invention.
Figure 3 shows that wherein a kind of schematic diagram of signal switching mode of the electronic equipment of the multi-media signal coffret that utilizes Fig. 2.
Figure 4 shows that the schematic diagram of another kind of signal switching mode of the electronic equipment of the multi-media signal coffret that utilizes Fig. 2.
Figure 5 shows that in one embodiment of the invention, the collocation of a plurality of display unit and a plurality of signal processing apparatus concerns schematic diagram.
Embodiment
For further setting forth the present invention, reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment of the present invention, structure, feature and effect thereof, be described in detail as follows.
Figure 1 shows that the system architecture schematic diagram of electronic equipment of the present invention.As shown in Figure 1, electronic equipment of the present invention comprises separate display unit 10 with signal processing apparatus 20 and is connected display unit 10 and the coffret 30 of signal processing apparatus 20.
In each part of electronic equipment, the power management module 11 of display unit 10 is for by civil power (220V, 50Hz or 110V, 50Hz) convert corresponding AC DC electric to, for the modules of display unit 10 self and the modules in signal processing apparatus 20 provide stable working power.
Power supply interface comprises supply lines (Power Supply Line) and system ground wire (Ground Line).The supply lines of the first power supply interface 12 and system ground wire are connected with the system ground wire with the supply lines of the second power supply interface 22 by direct physical connection modes such as docking or cable connection, in the power management module 11 of connection display unit 10 and signal processing apparatus 20, to need the security authentication module of powering 23 and input signal processing module 25.
The security authentication module 23 of the safety certification of display unit 10 and control module 13 and signal processing apparatus 20 is for by security control interactive interfacing secure authenticated information, (hand shake) information of shaking hands and control information (as the remote controller control signal) etc.
The security control interface for realize between display unit 10 and signal processing apparatus 20 authentication, shake hands, the transmission of the information such as control.In the present embodiment, the first security control interface 14 and the second security control interface 24 comprise the control bus interface, and its corresponding control bus is comprised of two plain conductors that are parallel to each other.Described control bus can adopt ripe STD bus agreement, as I
2C(Inter-Integrated Circuit) bus protocol, SPI(Serial Peripheral Interface, Serial Peripheral Interface (SPI)) bus protocol etc., also can adopt the privately owned bus protocol of production firm's self-defining.In different embodiments of the invention, according to different bus protocols, the control bus of security control interface can be by 1～n(n<=6) the bar wire forms.
The input signal processing module 25 of signal processing apparatus 20 is be used to receiving the multimedia audio-video signal of outside input, and process and recompile according to the interface protocol of signal processing apparatus 20 and display unit 10, and the multimedia audio-video signal after will processing and encode sends to the multimedia signal dispose module 15 of display unit 10.External input signal comprises set-top box, DVD, USB(Universal Serial BUS, USB) AV(Audio& of the external equipment outputs such as memory device, computer; Video, Voice & Video), YPbPr(color difference components interface), HDMI(High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)), VGA(Video Graphics Array, Video Graphics Array) multi-media signal such as signal.
The multimedia signal dispose module 15 of display unit 10 is connected with the input signal processing module of signal processing apparatus 20 by the multi-media signal coffret, the multi-media signal that sends for receiving signal processing apparatus 20, and it is processed (is mainly to carry out image quality and tonequality to process, and be converted into the displayable signal format of display device 17), then driving display spare 17(LCDs for example) display frame, and drive loud speaker 18 and sound.For the ease of the independent of display unit 10, produce and check, display unit 10 also additionally is provided with a general standard signal interface, this interface can be a kind of in the standard multimedia signaling interfaces such as AV, YPbPr or HDMI, for in display unit 10, produce good after, also with input test signal before signal processing apparatus 20 is connected, display unit 10 is not detected, whether qualified with definite display unit 10.in the present invention, will be used to carrying out multimedia signal dispose module integration that image quality and tonequality processes in display unit, make electronic equipment of the present invention (LCD TV) compared to multimedia signal dispose module integration in prior art in the LCD TV of signal processing apparatus, due to when the update signal processing unit without upgrading simultaneously the multimedia signal dispose module, and reduced the renewal cost of signal processing apparatus, and due to the multimedia signal dispose module integration in display unit, and after the update signal processing unit without the debugging LCD TV image quality and tonequality, and reduced the use complexity of LCD TV of the present invention.
Multi-media signal coffret (the first multi-media signal coffret 16 and the second multi-media signal coffret 26) comprises a Digital Audio Transmission passage, two analogue audio frequency transmission channels, three Analogvideotransmission passages and a plurality of differential signal transmission passage.
Wherein, the Digital Audio Transmission passage is the abbreviation of SPDIF(SONY, PHILIPS digital audio interface) the Digital Audio Transmission passage, be used to transmitting coaxial SPDIF digital audio and video signals.Two analogue audio frequency transmission channels are respectively left channel signals passage and right-channel signals passage.In the Analogvideotransmission passage, the matched impedance of each passage is 75 ohm, can access the analog video signal such as AV, YPbPr, VGA of standard.
The differential signal transmission passage is for transmission of digital audio frequency and video differential signal, these differential signal transmission passages are a plurality of differential pairs, the quantity of described differential pair is 2～n(n<=64) individual, the characteristic impedance of each differential pair is 100 ± 10 ohm, transmission bandwidth is less than 200MHz, and the different rendezvous protocols that these differential pairs can transmit are as required encoded.Particularly, these differential signal transmission passages are divided into a plurality of transmission channel groups, these transmission channel groups are for transmitting the differential signal of different rendezvous protocol codings, and one of them in these differential signal transmission passages is the common-use tunnel of different transmission channel groups.The present invention shares by transmission channel, make these differential signal transmission passages utilize less passage can realize HDMI signal, usb signal, LVDS(Low Voltage Differential Signaling, technology of Low Voltage Differential Signaling interface) transmission of the multi-signal such as signal, V-By-1 signal.
In embodiment as shown in Figure 2, the multi-media signal coffret comprises 8 number word tone video signal transmission passages (Channel0～Channel7), wherein, Channel0 is for the transmission of USB2.0 signal, Channel1～Channel3 is for the transmission of USB3.0 signal, Channel 4～Channel7 is for the transmission of HDMI1.4 signal, and Channel0～Channel7 is for the transmission of V-By-1 signal.As can be seen from the above-described embodiment, the V-By-1 signal has shared transmission channel Channel0, Channel1～Channel 3 and Channel4～Channel7 with USB2.0, USB3.0 and HDMI1.4 signal respectively.By sharing of transmission channel, make the present embodiment only adopt 8 number word tone video signal transmission passages can support simultaneously the transmission of USB2.0, USB3.0, HDMI1.4 and V-By-1 signal, that is to say, the present embodiment only adopts 8 number word tone video signal transmission passages can realize originally needing 16(1+3+4+8) transmission of number word tone video signal transmission passage USB2.0, USB3.0, HDMI1.4 and the tetra-kinds of signals of V-By-1 that just can realize, thus solved the contradiction between interface compatibility and interface scale.
it should be noted that, in Fig. 2, only show one of them concrete implementation that transmission channel shares, in actual applications, can allocate flexibly as required, be not limited only to configuration mode shown in Figure 2, for example, in other embodiments of the invention, can take 4 number word tone video signal transmission passages to realize USB2.0, the transmission of USB3.0 and tri-kinds of signals of HDMI1.4, in this embodiment, Channel0 is for the transmission of USB2.0 signal, Channel1～Channel3 is for the transmission of USB3.0 signal, Channel0～Channel3 is for the transmission of HDMI1.4 signal, the HDMI1.4 signal has shared transmission channel Channel0 and Channel1～Channel3 with USB2.0 and USB3.0 signal respectively.In an embodiment of the present invention, the quantity of the transmission channel that is shared is not limit, for example, the quantity of the transmission channel that shares in the embodiment shown in Figure 2 is 8, in the described embodiment of this section, the quantity of the transmission channel that shares is 4, in other embodiments of the invention, the quantity of the transmission channel that shares can also be 1,2,9 etc., and the quantity of common transmitted passage depends on the kind of the signal that needs transmit and the factors such as quantity of required transmission channel thereof.
due to the present invention, adopt the mode of common transmitted passage with less transmission channel, to realize the transmission of the differential signal of various protocols coding, that is to say, in the transmission channel that shares, same transmission channel need to be transmitted the digital audio/video differential signal of different rendezvous protocol codings, therefore, need between display unit and signal processing apparatus, carry out the agreement agreement, to determine the transmission channel that shares, in which kind of situation, carry out the transmission of the first signal, in which kind of situation, carry out the second, the third ... or the transmission of n kind signal, that is to say, need between display unit and signal processing apparatus, carry out the agreement agreement, to realize the switching of the digital audio-video signal that different agreement is encoded.
Fig. 3 and Figure 4 shows that display unit and signal processing apparatus between wherein two kinds of agreement agreement methods, Figure 3 shows that the embodiment that utilizes general codec to realize the differential signal switching of different rendezvous protocol codings, Figure 4 shows that the embodiment that utilizes diverter switch to realize the differential signal switching of different rendezvous protocol codings.
As shown in Figure 3, for specific embodiment shown in Figure 2, the encoder of signal processing apparatus end is universaling coder, and it can be encoded to initial audio/video flow according to multiple standards agreement (as USB2.0/3.0, HDMI, LVDS, V-By-1) or proprietary protocol; The decoder of display apparatus side is universal decoder, and it can be decoded according to the audio-video code stream of multiple standards agreement (as USB2.0/3.0, HDMI, LVDS, V-By-1) or proprietary protocol coding.That is to say, universaling coder and universal decoder can be supported multiple standards agreement and proprietary protocol.When signal processing apparatus and display unit were used in conjunction with, both sides, by the corresponding control information of security control interface exchange, determined the protocol type that both sides can carry out.The agreement that can support as both sides only exists when a kind of, directly carries out this kind agreement; The agreement that can support as both sides during for two or more, needs to determine the final protocol type of carrying out according to predetermined optimum principle.
For example, universaling coder is supported standard agreement A, standard agreement B, standard agreement C, proprietary protocol A, proprietary protocol B; Universal decoder is supported standard agreement B, standard agreement D, proprietary protocol A, proprietary protocol C.When signal processing apparatus and display unit were used in conjunction with, both sides, by exchange of control information, determined that the protocol type that both sides can support is standard agreement B and proprietary protocol A; Next, need to determine final consensus standard according to predetermined optimum principle, for example, proprietary protocol A has higher compression ratio than standard agreement B, that is to say, proprietary protocol A compares and has higher priority with standard agreement B, therefore, signal processing apparatus and display unit should preferentially be selected the highest consensus standard of execution priority, i.e. proprietary protocol A.
as shown in Figure 4, for specific embodiment shown in Figure 2, the signal processing apparatus end comprises the USB2.0 encoder special, the USB3.0 encoder special, HDMI encoder special and V-By-1 encoder special, and, for explaining conveniently, USB3.0 encoder special in Fig. 4 has been divided into 3 parts (Part1～Part3), the HDMI encoder special has been divided into 4 parts (Part1～Part4), the V-By-1 encoder special has been divided into 8 parts (Part1～Part8), each encoder directly outputs to corresponding diverter switch, by diverter switch, according to corresponding switch controlling signal, switched, with decision, carry out the coding of the digital audio-video signal of which kind of agreement, thereby realize the multiplexing of transmission channel, same, display apparatus side comprises the USB2.0 dedicated decoders, the USB3.0 dedicated decoders, the HDMI dedicated decoders, the V-By-1 dedicated decoders, for explaining conveniently, USB3.0 dedicated decoders in Fig. 4 has been divided into 3 parts (Part1～Part3), the HDMI dedicated decoders has been divided into 4 parts (Part1～Part4), the V-By-1 dedicated decoders has been divided into 8 parts (Part1～Part8), the input that switch is changed in each decoder receiving and displaying device end-grain cutting, by diverter switch, according to corresponding switch controlling signal, switched, with decision, carry out the decoding of the digital audio-video signal of which kind of agreement, thereby realize the multiplexing of transmission channel.
Finally it should be noted that; the present invention is provided with safety certification and control module in display unit; in signal processing apparatus, be provided with security authentication module; purpose is the mutual safety certification that realizes between two display unit and signal processing apparatus; both guaranteed the clarity of display device display frame; make it can not cause the caused picture of data communication problem between the two unintelligible because display unit has accessed inappropriate signal processing apparatus; also protect simultaneously the rights and interests of production firm, prevent that other people from copying the product of regular production manufacturer.
Below with the safety certification principle between the security authentication module of the safety certification of specific embodiment explanation display unit and control module and signal processing apparatus.
Suppose that certain production firm has produced display unit A and display unit B, has produced signal processing apparatus A, signal processing apparatus B, signal processing apparatus C simultaneously.Above-mentioned 5 kinds of devices can form collocation relation as shown in Figure 5.Wherein, display unit A can receive by the differential digital signal of differential signal transmission channel transfer; Display unit B can receive by the differential digital signal of differential signal transmission channel transfer, can also receive by the analog audio-video signal of analog audio-video transmission channel transmission, in order to reach optimal display result, preferential selective reception is by the differential digital signal of differential signal transmission channel transfer; Signal processing apparatus A can convert external input signal to the digital audio/video differential signal and transmit by the differential signal transmission passage; Signal processing apparatus B can convert external input signal to the digital audio/video differential signal and transmit by the differential signal transmission passage, external input signal can also be converted to the analog audio-video signal, and transmit by the analog audio-video transmission channel; Signal processing apparatus C can convert external input signal to the analog audio-video signal, and transmits by the analog audio-video transmission channel.
In order to protect the rights and interests of production firm, can be in the security authentication module of the safety certification of display unit and control module and signal processing apparatus the preset tables of data of secure authenticated information as table 1～table 5.In the present embodiment, preset tables of data is the array of 8 bytes (Byte), wherein (in the present embodiment, manufacturer ID is: 0xA3), all display unit and the signal processing apparatus of this manufacturers produce have identical manufacturer ID to the 1st byte (Byte0) storage manufacturer ID; The 2nd bytes store dynamic password initial value, each display unit all a random preset initial value (in the present embodiment, the preset dynamic password initial value of display unit A is 0x1D, the preset dynamic password initial value of display unit B is 0x03), the dynamic password initial value of each signal processing apparatus is 0x00; The signal type that the 3rd byte (Byte2) can receive or send for this device (as digital signal or analog signal), in the present embodiment, its low 4 (if Bit3～Bit0) would be set to " 1111 ", expression can receive or send the analog audio-video signal, other states of non-" 1111 ", expression can not receive or send the analog audio-video signal; It is high 4 (if Bit7～Bit4) be set to " 1111 ", expression can receive or send the digital audio/video differential signal, other states of non-" 1111 ", expression can not receive or send the digital audio/video differential signal.Display unit is with after signal processing apparatus is connected, display unit is the manufacturer ID of read signal processing unit at first, and compare with self preset manufacturer ID, if the manufacturer ID of the two is identical, by display unit, to signal processing apparatus, send dynamic password (Byte1); After the security authentication module of signal processing apparatus receives dynamic password, according to predetermined algorithm, dynamic password is added after 1 to the Byte1 of the secure authenticated information table that deposits self in, and it is returned to safety certification and the control module of display unit; After the safety certification of display unit and control module receive the dynamic password of passback, with the dynamic password of original transmission, compare, whether the dynamic password that judgement receives is according to predetermined algorithm, to calculate and obtain on the basis of former dynamic password, if, the dynamic password of expression reception is correct dynamic password, verifies that further display unit and signal processing apparatus are to be produced by same production firm; After safety certification and control module judge that the dynamic password that receives is as correct dynamic password, the Byte2 of self is sent to signal processing apparatus, signal processing apparatus is according to the content of Byte2 and the signal handling capacity of self, and preferred best signal format also sends to display unit.
By table 1 and table 3-table 5, can be learnt, display unit A and signal processing apparatus A, B, C produce by same production firm.In the present embodiment, low 4 of the Byte2 of display unit A is " 0000 ", and high 4 is " 1111 ", and expression display unit A only can send or receive differential digital signal; Low 4 of the Byte2 of signal processing apparatus A is " 0000 ", and high 4 is " 1111 ", and expression signal processing apparatus A only can send or receive differential digital signal, therefore, between display unit A and signal processing apparatus A, only can transmit differential digital signal; Low 4 of the Byte2 of signal processing apparatus B is " 1111 ", high 4 is " 1111 ", expression signal processing apparatus B not only can send or receive differential digital signal, can also send or receive the analog audio-video signal, yet because display unit A only can send or receive differential digital signal, therefore, between display unit A and signal processing apparatus B, only can transmit differential digital signal; Low 4 of the Byte2 of signal processing apparatus C is " 1111 ", high 4 is " 0000 ", expression signal processing apparatus C only can send or receive the analog audio-video signal, and because display unit A only can send or receive differential digital signal, therefore, between display unit A and signal processing apparatus C, can't carry out the transmission of signal, display unit A forms complete product with signal processing apparatus C because of different can't the collocation of audio-video signal form of supporting together.
By can learning of table 2 and table 3-table 5, display unit B and signal processing apparatus A, B, C produce by same production firm.In the present embodiment, low 4 of the Byte2 of display unit B is " 1111 ", and high 4 is " 1111 ", and expression display unit B not only can send or receive differential digital signal, can also send or receive the analog audio-video signal; Because signal processing apparatus A only can send or receive differential digital signal, therefore, between display unit B and signal processing apparatus A, only can transmit differential digital signal; Because signal processing apparatus B not only can send or receive differential digital signal, can also send or receive the analog audio-video signal, therefore, between display unit B and signal processing apparatus B, not only can send or receive differential digital signal, can also send or receive the analog audio-video signal, but because display unit B sets preferential reception differential digital signal for reaching optimal display result, and between display unit B and signal processing apparatus B, preferentially receive differential digital signal; Because signal processing apparatus C only can send or receive the analog audio-video signal, so only can send or receive the analog audio-video signal between display unit B and signal processing apparatus C.
It should be noted that, in the present invention, the secure authenticated information table that the security authentication module of the safety certification of display unit and control module and signal processing apparatus is inner preset, can adopt the data structure of the table 1 that the present invention mentions～table 5, also can be needed by production firm self, define suitable data structure, can adopt more complicated shaking hands and authentication encryption algorithm simultaneously.
The preset secure authenticated information table of table 1: display unit A
| ? | Bit7 | Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | Bit1 | Bit0 |
| Byte0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| Byte1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 |
| Byte2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Byte3 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte4 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte5 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte6 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte7 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
The preset secure authenticated information table of table 2: display unit B
| ? | Bit7 | Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | Bit1 | Bit0 |
| Byte0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| Byte1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Byte2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Byte3 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte4 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte5 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte6 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte7 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
Table 3: the preset secure authenticated information table of signal processing apparatus A
| ? | Bit7 | Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | Bit1 | Bit0 |
| Byte0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| Byte1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Byte2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Byte3 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte4 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte5 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte6 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte7 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
Table 4: the preset secure authenticated information table of signal processing apparatus B
| ? | Bit7 | Bit6 | Bit5 | Bit4 | Bit3Bit2 | Bit1 | Bit0 |
| Byte0 | 1 | 0 | 1 | 0 | 00 | 1 | 1 |
| Byte1 | 0 | 0 | 0 | 0 | 00 | 0 | 0 |
| Byte2 | 1 | 1 | 1 | 1 | 11 | 1 | 1 |
| Byte3 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte4 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte5 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte6 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte7 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
Table 5: the preset secure authenticated information table of signal processing apparatus C
| ? | Bit7 | Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | | Bit0 |
| Byte0 | ||||||||
| 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | |
| Byte1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Byte2 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Byte3 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte4 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte5 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte6 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
| Byte7 | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved | Reserved |
in sum, the present invention is by adopting the mode of common transmitted passage, can on same transmission channel, transmit the digital audio-video signal of different agreement coding, effectively reduced the quantity of transmission channel, make the present invention utilize less transmission channel can realize the transmission of various protocols, solved the contradiction between interface compatibility and interface scale, make electronic equipment of the present invention utilize small-scale coffret (scale of coffret of the present invention be about in background technology carry the interface scale 1/3～1/2) can realize the transmission of the differential signal of multiple rendezvous protocol coding, in addition, because the present invention is located on display unit can be used for carrying out the multimedia signal dispose module that acoustic processing and image process, and only need change while making signal processing apparatus update technical development faster the input signal processing module get final product, and can not cause the waste of cost, and, because making signal processing apparatus on display unit, the multimedia signal dispose module integration do not need to consider again the problem of tonequality and image quality, and, without in the postpone of replacing signal processing device, sound quality and picture quality being debugged, make the use of electronic equipment of the present invention more convenient
In addition; in the present invention; because being set up, display unit and signal processing device be respectively equipped with safety certification and control module and security authentication module; to realize the mutual safety certification between display unit and signal processing apparatus; both guaranteed the clarity of display device display frame; make it can not cause the caused picture of data communication problem between the two unintelligible because display unit has accessed inappropriate signal processing apparatus; also protect simultaneously the rights and interests of production firm, prevent that other people from copying the product of regular production manufacturer.
the above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. electronic equipment, comprise display unit and signal processing apparatus, described display unit is connected by a coffret with signal processing apparatus, it is characterized in that: described coffret comprises a multi-media signal coffret, described multi-media signal coffret comprises a plurality of differential signal transmission passages, and the differential signal of described a plurality of differential signal transmission channel transfer uses one or more rendezvous protocols between described display unit and described signal processing apparatus to encode;
Described a plurality of differential signal transmission passage is divided into a plurality of transmission channel groups, and these transmission channel groups are for transmitting the differential signal of different rendezvous protocol codings;
And at least one the differential signal transmission passage in described a plurality of differential signal transmission passages is the common-use tunnel of different transmission channel groups.
2. electronic equipment as claimed in claim 1, it is characterized in that, described display unit comprises the multimedia signal dispose module, for the multi-media signal that will receive, be converted to the signal format that described display unit can show, described signal processing apparatus comprises the input signal processing module, described multi-media signal coffret connects described multimedia signal dispose module and described input signal processing module, for the multi-media signal that described input signal processing module is received, sends described multimedia signal dispose module to.
3. electronic equipment as claimed in claim 1 or 2, is characterized in that, between described signal processing apparatus and display unit, utilizes codec or diverter switch to realize the switching of the differential signal of different rendezvous protocol codings.
4. electronic equipment as claimed in claim 1, it is characterized in that, described display unit also comprises safety certification and control module, described signal processing apparatus also comprises security authentication module, described coffret also comprises be used to connecting the security control interface of described safety certification and control module and described security authentication module, in described safety certification and control module and security authentication module, all preset the secure authenticated information tables of data, described secure authenticated information tables of data is for realizing the authentication of display unit and signal processing apparatus production firm, and/or the confirmation of the signal that can send or receive between display unit and signal processing apparatus.
5. display unit, it is characterized in that, described display unit comprises a coffret, described coffret comprises a multi-media signal coffret, described multi-media signal coffret comprises a plurality of differential signal transmission passages, described a plurality of differential signal transmission passage is divided into a plurality of transmission channel groups, these transmission channel groups are for transmitting the differential signal of different rendezvous protocol codings, and at least one the differential signal transmission passage in described a plurality of differential signal transmission passage is the common-use tunnel of different transmission channel groups.
6. display unit as claimed in claim 5, is characterized in that, described multi-media signal coffret utilizes codec or diverter switch to realize the switching of the differential signal of different rendezvous protocol codings.
7. display unit as claimed in claim 5, it is characterized in that, described coffret also comprises a security control interface, described display unit also comprises safety certification and the control module that is connected with described security control interface, in described safety certification and control module, store the secure authenticated information tables of data, described secure authenticated information tables of data is for judging whether described display unit matches with a signal processing apparatus that is connected with described display unit.
8. display unit as claimed in claim 5, it is characterized in that, described display unit also comprises the multimedia signal dispose module, described multimedia signal dispose module is connected with described multi-media signal coffret, for the multi-media signal that will receive, is converted to the signal format that described display unit can show.
9. signal processing apparatus, it is characterized in that, described signal processing apparatus comprises a coffret, described coffret comprises a multi-media signal coffret, described multi-media signal coffret comprises a plurality of differential signal transmission passages, described a plurality of differential signal transmission passage is divided into a plurality of transmission channel groups, these transmission channel groups are for transmitting the differential signal of different rendezvous protocol codings, and at least one the differential signal transmission passage in described a plurality of differential signal transmission passage is the common-use tunnel of different transmission channel groups.
10. signal processing apparatus as claimed in claim 9, it is characterized in that, described coffret also comprises a security control interface, described signal processing apparatus also comprises the security authentication module that is connected with described security control interface, in described security authentication module, preset the secure authenticated information tables of data, described secure authenticated information tables of data is for judging the whether pairing of described signal processing apparatus and a display unit that is connected with described signal processing apparatus.
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Also Published As
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| CN103402069B (en) | 2016-05-04 |
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Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Video Technology Co., Ltd Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: HISENSE ELECTRIC Co.,Ltd. |