WO2013031476A1 - Dispositif d'émission, dispositif de réception et système d'émission/réception - Google Patents

Dispositif d'émission, dispositif de réception et système d'émission/réception Download PDF

Info

Publication number
WO2013031476A1
WO2013031476A1 PCT/JP2012/069734 JP2012069734W WO2013031476A1 WO 2013031476 A1 WO2013031476 A1 WO 2013031476A1 JP 2012069734 W JP2012069734 W JP 2012069734W WO 2013031476 A1 WO2013031476 A1 WO 2013031476A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
reception
signal
transmission
data
Prior art date
Application number
PCT/JP2012/069734
Other languages
English (en)
Japanese (ja)
Inventor
蜂谷　尚悟
礼 藤木
Original Assignee
ザインエレクトロニクス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ザインエレクトロニクス株式会社 filed Critical ザインエレクトロニクス株式会社
Publication of WO2013031476A1 publication Critical patent/WO2013031476A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23602—Multiplexing isochronously with the video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0087—Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection

Definitions

  • the present invention relates to a transmission device, a reception device, and a transmission / reception system.
  • digital image devices that handle digital images
  • digital image devices include digital video devices such as a digital still camera that captures still images, a digital video camera that captures moving images, and a digital television receiver that displays digital images.
  • digital video apparatuses have a display that electrically displays a digital image.
  • an electrically displaying device not only an electrically displaying device but also an image generating device having a printer function for generating a digital image on a medium such as paper is known.
  • Examples of the generation method include an inkjet method and a laser method.
  • an image generation apparatus called a “multifunction printer” having a plurality of functions such as a recording function, a FAX function, and a scanner function has become widespread.
  • Such a digital image device has a transmission / reception system that performs image transmission inside and outside the device (Patent Document 1).
  • a transmission / reception system that performs image transmission
  • a method is known in which encoded data is transmitted from a transmission device to a reception device, and the reception device decodes the encoded data. More specifically, in the transmission / reception system, the transmission apparatus encodes data to be transmitted with a random number and transmits the encoded data. The receiving device that has received the encoded data transmitted from the transmitting device generates the original data by decoding the received encoded data with the same random number used during encoding. Note that “encoding” includes encrypting the data to conceal the transmitted / received data, and includes scrambling the data to suppress EMI noise due to the transmitted / received data. .
  • Patent Document 2 In order to correctly obtain the original data from the encoded data generated by the encoding process of the transmitting apparatus by the decoding process of the receiving apparatus, synchronization of random numbers between the encoding process of the transmitting apparatus and the decoding process of the receiving apparatus Must be established (Patent Document 2).
  • the random number in the transmission / reception system becomes a fake data string due to noise superimposition or the like, the random number is out of synchronization and is not decoded into the original data.
  • a method has been proposed in which fixed data called a comma pattern is inserted into encoded data in a no-data section such as blanking time and random numbers are resynchronized ( For example, “DisplayPort” or the like performs this periodically). Therefore, even if a part of the encoded data is damaged due to transient noise superposition or the like, not all data is lost, and at the time of decoding the next encoded data, the synchronization of random numbers is reestablished, The original data is played back.
  • the present invention has been made to solve the above-described problems, and a transmission device, a reception device, and a transmission device that can suppress reception errors by ensuring synchronization between the encoding process and the decoding process.
  • An object is to provide a transmission / reception system.
  • the transmission / reception system of the present invention includes the following transmission device and reception device, and transmits encoded data from the transmission device to the reception device, and the transmission device transmits a synchronization signal as encoded data when a reception error occurs. It is characterized by.
  • the transmitting device of the present invention is (1) an encoding unit that generates encoded data by encoding data to be transmitted to the receiving device, and (2) a transmitting unit that transmits the encoded data to the receiving device, It is characterized by providing. Further, the encoding unit periodically transmits a synchronization signal for establishing synchronization between the encoding process of the encoding unit and the decoding process of the receiving device as encoded data from the transmitting unit to the receiving device. When a reception error occurs in the receiving apparatus, a synchronization signal is transmitted as encoded data from the transmitting unit to the receiving apparatus in order to reestablish synchronization between the encoding process and the decoding process.
  • the receiving device of the present invention includes (1) a receiving unit that receives encoded data transmitted from a transmitting device, and (2) a decoding that decodes the encoded data received by the receiving unit and outputs the original data And a section. Further, when the decoding unit receives a synchronization signal for establishing synchronization between the encoding process of the transmitting device and the decoding process of the decoding unit as encoded data, the decoding unit To establish synchronization between the encoding process and the decoding process, and to reestablish synchronization between the encoding process and the decoding process due to a reception error occurring in the data output from the decoding unit When the receiver receives the synchronization signal as encoded data from the transmission device, the synchronization between the encoding process and the decoding process is initialized once to reestablish the synchronization, and the subsequent decoding process is performed. It is characterized by that.
  • the transmission apparatus of the present invention when receiving a reception error detection signal indicating that a reception error has occurred in the reception apparatus, a reset instruction signal for reestablishing synchronization between the encoding process and the decoding process And a reset instruction unit that transmits the reset instruction signal to the encoding unit.
  • the encoding unit receives the reset instruction signal
  • the encoding unit transmits a synchronization signal as encoded data from the transmission unit to the receiving device. Also good.
  • the receiving device of the present invention detects that a receiving error has occurred in the receiving device, generates a receiving error detection signal, receives the receiving error detection signal, and a receiving error detecting signal.
  • a reset instruction unit that generates a reset instruction signal for transmitting the synchronization signal as encoded data from the transmission unit to the reception device, and transmits the reset instruction signal to the encoding unit.
  • the synchronization between the encoding process and the decoding process can be made more reliable, and reception errors can be suppressed.
  • FIG. 1 is a diagram illustrating a configuration of a transmission / reception system 1A according to the first embodiment.
  • FIG. 2 is a diagram illustrating a waveform example of each signal in the transmission / reception system 1A of the first embodiment.
  • FIG. 3 is a diagram illustrating a configuration of a modified example of the transmission / reception system 1A of the first embodiment.
  • FIG. 4 is a diagram illustrating a configuration of a modified example of the transmission / reception system 1A of the first embodiment.
  • FIG. 5 is a diagram illustrating a configuration of a transmission / reception system 1B according to the second embodiment.
  • FIG. 6 is a diagram illustrating a waveform example of each signal in the transmission / reception system 1B of the second embodiment.
  • FIG. 1 is a diagram illustrating a configuration of a transmission / reception system 1A according to the first embodiment.
  • the transmission / reception system 1A includes a transmission device 10A and a reception device 20A.
  • the transmitting apparatus 10A and the receiving apparatus 20A transmit and receive data via the signal transmission paths 31 to 33.
  • the transmission apparatus 10A includes an encoding unit 11, a serializer 12, and a transmission unit 13.
  • the encoding unit 11 inputs data to be transmitted to the receiving device 20A from the outside in a parallel data format, encodes the data, and outputs the encoded data.
  • the serializer 12 converts the encoded data (parallel data) output from the encoding unit 11 into serial data, and provides the serial data to the transmission unit 13.
  • the transmission unit 13 sends the encoded data (serial data) input from the serializer 12 to the signal transmission paths 31 and 32 as differential data.
  • the signal transmission paths 31, 32 transmit the differential data sent from the differential output end of the transmission unit 13 of the transmission device 10A to the differential input end of the reception unit 23 of the reception device 20A.
  • the transmission unit 13 of the transmission device 10A and the signal transmission paths 31 and 32 are AC coupled. Further, AC coupling is also performed between the receiving unit 23 of the receiving device 20 ⁇ / b> A and the signal transmission paths 31 and 32.
  • the receiving device 20A includes a decoding unit 21, a deserializer 22, a receiving unit 23, an error detecting unit 24, and a reset instruction unit 25.
  • the receiving unit 23 receives the encoded data (differential serial data) transmitted from the transmitting unit 13 of the transmitting apparatus 10A and reached via the signal transmission paths 31 and 32, and outputs the encoded data as single-ended data.
  • the deserializer 22 converts the encoded data (serial data) output from the receiving unit 23 into parallel data, and outputs the parallel data to the decoding unit 21.
  • the decoding unit 21 decodes the encoded data output from the deserializer 22 and outputs the original data.
  • the signal transmission path from the transmitting apparatus 10A to the receiving apparatus 20A may have a plurality of channels.
  • a signal transmission path for one channel is shown for the sake of simplicity.
  • different data can be transmitted depending on the channel. For example, if the data to be transmitted is RGB color image data, the R image is transmitted through the first channel. Data can be transmitted, G image data can be transmitted through the second channel, and B image data can be transmitted through the third channel.
  • an encoding / decoding synchronization signal described later can be transmitted through a certain channel, and another control signal (for example, DE (DataDEEnable) signal) can be transmitted through another channel.
  • the error detection unit 24 detects whether or not a reception error has occurred based on the data output from the decoding unit 21. When detecting the occurrence of a reception error, the error detection unit 24 sends a reception error detection signal indicating that fact.
  • the reset instruction unit 25 receives the reception error detection signal and sends the reset instruction signal to the signal transmission path 33.
  • the signal transmission path 33 transmits the reset instruction signal sent from the reset instruction unit 25 of the reception device 20A to the encoding unit 11 of the transmission device 10A.
  • the detection of the occurrence of a reception error by the error detection unit 24 is performed as follows, for example.
  • the transmission device 10A transmits the valid data to which redundant bits (fixed value or checksum) are added as encoded data to the reception device 20A, and the error detection unit 24 has an error in the contents of the redundant bits in the received data. If there is an error, it is detected that a reception error has occurred.
  • the transmission device 10A transmits predetermined fixed data as encoded data to the reception device 20A, and the error detection unit 24 determines whether there is an error in the content of the received fixed data, and there is an error. Detects that a reception error has occurred.
  • the transmission apparatus 10A transmits the encoded data subjected to the 8b10b encoding process to the reception apparatus 20A, and the error detection unit 24 determines whether or not the content of the received data has an error that violates the 8b10b encoding protocol. If there is an error, the fact that a reception error has occurred is detected.
  • the decoding unit 21 outputs a prepared value in place of the signal causing the error until the synchronization is re-established when the error detection unit 24 detects the occurrence of the reception error. (For example, in the case of image transmission, a pixel in which an error has occurred may be output as a value that becomes white or black).
  • the encoding unit 11 of the transmission apparatus 10A has a synchronization signal for establishing synchronization between the encoding process of the encoding unit 11 and the decoding process of the decoding unit 21 (hereinafter, referred to as “encoded decoding synchronization signal”). Are periodically transmitted from the transmission unit 13 to the reception device 20A as encoded data.
  • the encoding unit 11 also receives the encoded / decoded synchronization signal as encoded data when the reset instruction signal generated when a reception error occurs in the receiving apparatus 20A is received from the reset instruction unit 25 of the receiving apparatus 20A. To be transmitted from the transmitter 13 to the receiver 20A.
  • the timing for periodically transmitting the encoded / decoded synchronization data from the transmission device 10A to the reception device 20A is, for example, a horizontal synchronization blanking period or a vertical synchronization blanking period when valid data to be transmitted / received is image data.
  • the decoding unit 21 of the receiving device 20A When the receiving unit 23 receives the code decoding synchronization signal as the encoded data from the transmitting device 10A, the decoding unit 21 of the receiving device 20A temporarily initializes the synchronization of the decoding process with respect to the encoding process and reestablishes the synchronization. Then, the subsequent decoding process is performed.
  • the encoding process performed by the encoding unit 11 of the transmitting apparatus 10A may be an encryption process for data concealment or a scramble process for EMI noise suppression.
  • the original data is converted into encoded data in the encoding process of the encoding unit 11.
  • the internal data for encoding used at the time and the internal data for decoding used when converting the encoded data into the original data in the decoding process of the decoding unit 21 are the same as each other.
  • the internal data for encoding and the internal data for decryption used differ between certain original data to be transmitted and received and the next original data.
  • the decoding unit 21 when the encoding unit 11 performs the scramble process as the encoding process and the decoding unit 21 performs the descrambling process as the decoding process, even when the original data to be transmitted / received continues for a plurality of bytes with a constant value Since the internal data for code changes sequentially, the encoded data obtained by the scramble process also changes sequentially. Thereby, the EMI noise suppression effect is obtained.
  • the decoding unit 21 can obtain original data by descrambling the encoded data using the same internal decoding data as the internal encoding data used by the encoding unit 11 during the scramble process. .
  • the encoding unit 11 of the transmitting apparatus 10A may further perform 8b10b encoding processing on the encoded data after scramble processing.
  • the decoding unit 21 of the receiving device 20A performs the descrambling process after performing the 8b10b decoding process.
  • FIG. 2 is a diagram illustrating a waveform example of each signal in the transmission / reception system 1A of the first embodiment.
  • Output original data (parallel data) (d) a reception error detection signal output from the error detection unit 24 of the receiver 20A, and (e) a reset instruction signal output from the reset instruction unit 25 of the receiver 20A.
  • Each waveform is shown.
  • the encoded data sent from the transmitting device 10A to the receiving device 20A is garbled due to the transmission quality deterioration of the signal transmission paths 31, 32 or the influence of external noise, it is obtained by the decoding process of the decoding unit 21 of the receiving device 20A.
  • the data becomes invalid data different from the original data.
  • the error detection unit 24 outputs a reception error detection signal when the reception error occurrence is detected.
  • the reset instruction unit 25 outputs a reset instruction signal when the reception error detection signal is input. Receiving the reset instruction signal, transmitting apparatus 10A outputs a code decoding synchronization signal.
  • the decoding unit 21 of the receiving apparatus 20A When receiving the code decoding synchronization signal from the transmitting apparatus 10A, the decoding unit 21 of the receiving apparatus 20A once initializes the synchronization between the encoding process and the decoding process, and reestablishes the synchronization. Process. When the synchronization is re-established, the data obtained by the decryption process of the decryption unit 21 is the same as the original data.
  • the transmission / reception system 1A transmits a code decoding synchronization signal from the transmission device 10A to the reception device 20A not only when the error detection unit 24 detects the occurrence of a reception error but also periodically.
  • the decoding unit 21 of the receiving device 20A the synchronization of the decoding process is once initialized and re-established, and the subsequent decoding process is performed. Therefore, when a reception error occurs due to loss of synchronization, synchronization between the encoding process and the decoding process can be re-established without waiting for the timing of periodic transmission / reception of the encoded / decoded synchronization signal.
  • the encoding process and the decoding process can be performed by periodically transmitting and receiving a code decoding synchronization signal. Synchronization between them can be re-established.
  • the synchronization between the encoding process and the decoding process can be made more reliable, and reception errors can be suppressed.
  • the receiving device 20A may have an error detection unit 24 and the transmission device 10A may have a reset instruction unit 15, or FIG.
  • the transmission device 10 ⁇ / b> A may include an error detection unit 14 and a reset instruction unit 15. Whether the transmission device 10A has the error detection unit 14 (24) and the reset instruction unit 15 (25) or the reception device 20A can be changed as appropriate according to the system to which it is applied.
  • the transmission / reception system 1A as shown in FIG. 1 since error detection is detected most promptly on the receiving side, measures are taken to handle downstream data so as not to cause problems at the later stage when handling data containing errors. Can be performed.
  • the error detection signal can be delivered with a low-speed signal, so that the transmission path 33 can be realized with a low cost. Furthermore, in the transmission / reception system 1A as shown in FIG. 4, it is possible to suppress the reception error by changing the mounting only of the transmission device 10A, and therefore it is possible to realize the system even if the reception device 20A is an existing one. Note that the error detection units 14 and 24 and the reset instruction units 15 and 25 have the same functions, respectively, and thus the description of their operations is omitted here. (Second Embodiment)
  • FIG. 5 is a diagram showing a configuration of the transmission / reception system 1B of the second embodiment.
  • the transmission / reception system 1B includes a transmission device 10B and a reception device 20B.
  • the transmission device 10B and the reception device 20B transmit and receive data via the signal transmission paths 31 to 33.
  • the transmission / reception system 1B of the present embodiment provides a data delimiter that gives timing for initializing a synchronization signal from the transmission device 10B to the reception device 20B, for example, when transmitting / receiving horizontal synchronization data and vertical synchronization data in addition to effective image data. A signal is also transmitted.
  • This data delimiter signal is a signal for setting the random number of the synchronization signal to the initial value at the moment of toggle, and in this embodiment, the random number of the synchronization signal is set to the initial value at the rising edge.
  • the transmission / reception system 1B of the present embodiment uses this data delimiter signal when transmitting and receiving a reset instruction signal and an encoding / decoding synchronization signal between the transmission device 10B and the reception device 20B.
  • the transmission device 10B in the second embodiment is different in that it further includes a data delimiter signal correction unit 16, and is different in the operation of the encoding unit 11. To do.
  • the receiving device 20B includes a decoding unit 21, a deserializer 22, a receiving unit 23, an error detecting unit 24, a reset instruction unit 25, and a data delimiter signal restoring unit 26.
  • the receiving device 20B in the second embodiment is different in that it further includes a data delimiter signal restoration unit 26, and also in the operation of the reset instruction unit 25. To do.
  • the reset instruction unit 25 of the receiving device 20B outputs a signal whose level repeatedly toggles over a certain period as a reset instruction signal to the signal transmission path 33.
  • the data delimiter signal correction unit 16 of the transmission apparatus 10B receives a signal whose level repeatedly toggles over a certain period as a reset instruction signal from the reset instruction unit 24 of the reception apparatus 20B, and the original data according to the level of the reset instruction signal.
  • the level of the data delimiter signal is corrected, and the corrected data delimiter signal is output to the encoding unit 11.
  • the data delimiter signal correction unit 16 includes an EXNOR circuit that inputs a reset instruction signal and an original data delimiter signal and outputs a corrected data delimiter signal as an EXNOR logical operation result of both signals.
  • the encoding unit 11 of the transmission device 10B When the encoding unit 11 of the transmission device 10B receives the corrected data delimiter signal from the data delimiter signal correction unit 16, the encoding unit 11 transmits the encoded decoding synchronization signal as encoded data from the transmission unit 13 to the reception device 20B and the correction.
  • the subsequent data delimiter signal is also transmitted as encoded data from the transmission unit 13 to the reception device 20B.
  • the data delimiter signal restoration unit 26 of the receiving device 20B is configured to repeatedly toggle the level of the data delimiter signal over a certain period of data received by the receiving unit 23 from the transmitting device 10B (that is, converted into a corrected data delimiter signal).
  • the data delimiter signal level in the period is converted to a certain level before the period (that is, converted into the original data delimiter signal), and the converted data delimiter signal is output.
  • FIG. 6 is a diagram illustrating a waveform example of each signal in the transmission / reception system 1B of the second embodiment.
  • the original data delimiter signals and their respective waveforms are shown.
  • the data transmitted from the transmitting apparatus 10B to the receiving apparatus 20B is valid data, and the original data delimiter signal input to the transmitting apparatus 10B initializes the synchronization signal at the rising timing. After that, it became high level ((b) in the figure). If the encoded data sent from the transmission device 10B to the reception device 20B is garbled due to the transmission quality deterioration of the signal transmission paths 31, 32 or the influence of external noise, the error detection unit 24 of the reception device 20B detects the occurrence of a reception error. Then, the reset instruction unit 25 outputs a reset instruction signal whose level repeatedly toggles over a certain period ((c) in the figure). Further, the data delimiter signal restoration unit 26 sets an error flag to be held internally for a predetermined period from when this reception error detection is received ((d) in the figure).
  • the data delimiter signal correcting unit 16 of the transmitting apparatus 10B corrects the original data delimiter signal level according to the level of the reset instruction signal. Then, the corrected data delimiter signal is output.
  • the level of the data delimiter signal input to the data delimiter signal restoration unit 26 of the receiving device 20B changes due to the transmission quality deterioration of the signal transmission paths 31 and 32 and the influence of external noise. This is a corrected data delimiter signal that toggles repeatedly ((e) in the figure).
  • the data delimiter signal restoration unit 26 converts the corrected data delimiter signal into the original data delimiter signal and outputs the converted data delimiter signal ( (F) in FIG.
  • the data delimiter signal restoration unit 26 converts the corrected data delimiter signal into an original data delimiter signal by removing a component that toggles for a period shorter than a certain period without using an error flag. Also good.
  • the decoding unit 21 of the reception device 20B receives the code decoding synchronization signal together with the corrected data delimiter signal from the transmission device 10B, initializes the synchronization between the encoding process and the decoding process, and reestablishes the synchronization. Then, the subsequent decoding process is performed. When the synchronization is re-established, the data obtained by the decryption process of the decryption unit 21 is the same as the original data.
  • the transmission / reception system 1B of the second embodiment can achieve the same effects as the transmission / reception system 1A of the first embodiment.
  • the synchronization between the encoding process and the decoding process can be applied to the purpose of suppressing reception errors by making the synchronization more reliable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

Un système d'émission/réception (1A) comprend un dispositif d'émission (10A) et un dispositif de réception (20A). Ledit dispositif d'émission (10A) comporte une unité de codage (11), un convertisseur parallèle-série (12) et une unité d'émission (13). Ledit dispositif de réception (20A) est doté d'une unité de décodage (21), d'un convertisseur série-parallèle (22), d'une unité de réception (23), d'une unité de détection d'erreurs (24) et d'une unité d'instruction de réinitialisation (25). Ladite unité de codage (11) entraîne l'émission périodique d'un signal de synchronisation (signal de synchronisation de codage/décodage), servant à synchroniser son traitement de codage et le traitement de décodage de ladite unité de décodage (21), sous la forme de données codées provenant de ladite unité d'émission (13) et à destination du dispositif de réception (20A). Même lorsqu'un signal d'instruction de réinitialisation est reçu en provenance de ladite unité d'instruction de réinitialisation (25) du dispositif de réception (20A), l'unité de codage (11) entraîne l'émission du signal de synchronisation de codage/décodage sous la forme de données codées provenant de l'unité d'émission (13) et à destination du dispositif de réception (20A).
PCT/JP2012/069734 2011-08-26 2012-08-02 Dispositif d'émission, dispositif de réception et système d'émission/réception WO2013031476A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-184967 2011-08-26
JP2011184967A JP2013046364A (ja) 2011-08-26 2011-08-26 送信装置、受信装置および送受信システム

Publications (1)

Publication Number Publication Date
WO2013031476A1 true WO2013031476A1 (fr) 2013-03-07

Family

ID=47755979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/069734 WO2013031476A1 (fr) 2011-08-26 2012-08-02 Dispositif d'émission, dispositif de réception et système d'émission/réception

Country Status (2)

Country Link
JP (1) JP2013046364A (fr)
WO (1) WO2013031476A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5799320B1 (ja) * 2014-03-31 2015-10-21 株式会社アクセル 画像データ伝送制御方法及び画像表示処理装置
JP6342994B2 (ja) * 2014-04-24 2018-06-13 ルネサスエレクトロニクス株式会社 半導体装置およびその製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0388443A (ja) * 1989-08-30 1991-04-12 Niko Denshi Kk 同期ずれ信号の自己修正方式
JP2001168897A (ja) * 1999-12-09 2001-06-22 Nec Corp Ｆｓａｎ暗号監視方式
JP2003204363A (ja) * 2002-01-04 2003-07-18 Hitachi Ltd シリアル伝送方式
JP2004194143A (ja) * 2002-12-13 2004-07-08 Sony Corp 映像信号処理システム、映像信号処理装置および方法、記録媒体、並びにプログラム
JP2006025298A (ja) * 2004-07-09 2006-01-26 Oki Electric Ind Co Ltd 相互認証方法、相互認証装置、及び相互認証システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0388443A (ja) * 1989-08-30 1991-04-12 Niko Denshi Kk 同期ずれ信号の自己修正方式
JP2001168897A (ja) * 1999-12-09 2001-06-22 Nec Corp Ｆｓａｎ暗号監視方式
JP2003204363A (ja) * 2002-01-04 2003-07-18 Hitachi Ltd シリアル伝送方式
JP2004194143A (ja) * 2002-12-13 2004-07-08 Sony Corp 映像信号処理システム、映像信号処理装置および方法、記録媒体、並びにプログラム
JP2006025298A (ja) * 2004-07-09 2006-01-26 Oki Electric Ind Co Ltd 相互認証方法、相互認証装置、及び相互認証システム

Also Published As

Publication number Publication date
JP2013046364A (ja) 2013-03-04

Similar Documents

Publication Publication Date Title
US8312328B2 (en) Data transmission apparatus with information skew and redundant control information and method
EP2421262B1 (fr) Dispositif de réception de signal vidéo et système de transmission de signal vidéo
JP4192802B2 (ja) デジタル映像通信装置
JP2007020166A (ja) Ｈｄｍｉ伝送システム
JP5474160B2 (ja) シリアル・ストリームにおける堅牢な制御及び描写方法
JP2008519548A (ja) データ伝送システム、送信デジタル処理システム、受信デジタル処理システム
US9036081B2 (en) Video signal transmission device, video signal reception device, and video signal transmission system
US10687011B2 (en) Method and apparatus for improving transmission of transport video signal
WO2017017972A1 (fr) Système de transmission de données d'image
US9876974B2 (en) Endoscope
WO2013031476A1 (fr) Dispositif d'émission, dispositif de réception et système d'émission/réception
JP5293860B1 (ja) シリアル通信システム、画像形成システム及び送信装置
JPS63187888A (ja) 映像信号伝送方式
US20220408055A1 (en) Transmission device, reception device, and transmission system
KR101292782B1 (ko) Ｈｄｍｉ 신호와 ｕｓｂ 신호를 포함하는 복합신호 전송장치 및 그 방법
JP2007274533A (ja) シリアル伝送用の送信装置，スクランブル処理方法，受信装置及びシステム
US10116895B2 (en) Signal display output method, apparatus, and system
WO2020255799A1 (fr) Émetteur, récepteur et système de communication
KR101369923B1 (ko) 에이치디엠아이 또는 디브이아이 신호의 장거리 전송시스템
US20230344890A1 (en) Video coupler using wavelength division multiplexing
JP6922259B2 (ja) 画像転送システム、画像転送装置、及び画像転送方法
JP6107119B2 (ja) 画像データ転送システム
CN114567743A (zh) 使用hdmi影像传输电缆的复合数据传输系统及其传输方法
KR20000031562A (ko) 디지털 텔레비전의 동기 신호 검출 장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12828069

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12828069

Country of ref document: EP

Kind code of ref document: A1