DE69732545D1 - Zeitmultiplex von digitalen Videosignalen - Google Patents

Zeitmultiplex von digitalen Videosignalen

Info

Publication number
DE69732545D1
DE69732545D1 DE69732545T DE69732545T DE69732545D1 DE 69732545 D1 DE69732545 D1 DE 69732545D1 DE 69732545 T DE69732545 T DE 69732545T DE 69732545 T DE69732545 T DE 69732545T DE 69732545 D1 DE69732545 D1 DE 69732545D1
Authority
DE
Germany
Prior art keywords
digital video
time division
video signals
signals
division
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69732545T
Other languages
English (en)
Inventor
Naoki Shimosaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69732545D1 publication Critical patent/DE69732545D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • H04L25/03872—Parallel scrambling or descrambling
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Dc Digital Transmission (AREA)
  • Optical Communication System (AREA)
  • Television Systems (AREA)
DE69732545T 1996-04-05 1997-04-07 Zeitmultiplex von digitalen Videosignalen Expired - Lifetime DE69732545D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8083556A JPH09275380A (ja) 1996-04-05 1996-04-05 ディジタル映像信号の時分割多重方法及び装置

Publications (1)

Publication Number Publication Date
DE69732545D1 true DE69732545D1 (de) 2005-03-31

Family

ID=13805795

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69732545T Expired - Lifetime DE69732545D1 (de) 1996-04-05 1997-04-07 Zeitmultiplex von digitalen Videosignalen

Country Status (4)

Country Link
US (1) US6028934A (de)
EP (1) EP0800292B1 (de)
JP (1) JPH09275380A (de)
DE (1) DE69732545D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69833821T2 (de) * 1997-09-18 2006-11-30 Matsushita Electric Industrial Co., Ltd., Kadoma Übertragungsverfahren und -vorrichtung zum kombinierten Multiplexen und Verschlüsseln
US7099472B2 (en) * 2000-07-20 2006-08-29 The Directv Group, Inc. Method and apparatus for securing digital video recording
US7110412B2 (en) * 2001-09-18 2006-09-19 Sbc Technology Resources, Inc. Method and system to transport high-quality video signals
JP4531806B2 (ja) * 2004-03-09 2010-08-25 トムソン ライセンシング 独立チャネルにおける情報のクロス符号化
US8116382B2 (en) * 2007-10-01 2012-02-14 Gennum Corporation System and method of data word flipping to prevent pathological conditions on high-speed serial video data interfaces

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59123337A (ja) * 1982-12-29 1984-07-17 Nec Corp フレ−ム同期方式
DE3403650A1 (de) * 1984-02-02 1985-08-08 Siemens AG, 1000 Berlin und 8000 München Selbstsynchronisierender verwuerfler (scrambler)
JPS63146629A (ja) * 1986-12-10 1988-06-18 Toshiba Corp デ−タ伝送装置
JPS63204838A (ja) * 1987-02-19 1988-08-24 Sumitomo Electric Ind Ltd フレ−ム同期方式
JP2693466B2 (ja) * 1988-02-20 1997-12-24 日本電信電話株式会社 多重化符号変換方法
CA2019821C (en) * 1988-12-28 1995-04-25 Shoichi Takahashi Signal conversion circuit
US5185799A (en) * 1990-11-28 1993-02-09 Siemens Aktiengesellschaft Parallel scrambler used in SONET data transmission
JPH05268581A (ja) * 1992-03-18 1993-10-15 Fujitsu Ltd 高速多重化方式
US5355415A (en) * 1993-03-15 1994-10-11 Byeong Gi Lee Parallel distributed sample scrambling system
EP0684712B1 (de) * 1994-05-17 2005-05-04 Nippon Telegraph And Telephone Corporation Endgerät in SDH Netzwerken unter Verwendung fehlerkorrigierender Codes

Also Published As

Publication number Publication date
US6028934A (en) 2000-02-22
EP0800292A2 (de) 1997-10-08
EP0800292A3 (de) 2001-02-28
JPH09275380A (ja) 1997-10-21
EP0800292B1 (de) 2005-02-23

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Legal Events

Date Code Title Description
8332 No legal effect for de