DE3685067D1 - Videokodiergeraet. - Google Patents

Videokodiergeraet.

Info

Publication number
DE3685067D1
DE3685067D1 DE8686109535T DE3685067T DE3685067D1 DE 3685067 D1 DE3685067 D1 DE 3685067D1 DE 8686109535 T DE8686109535 T DE 8686109535T DE 3685067 T DE3685067 T DE 3685067T DE 3685067 D1 DE3685067 D1 DE 3685067D1
Authority
DE
Germany
Prior art keywords
video encoder
encoder
video
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
DE8686109535T
Other languages
English (en)
Inventor
Jeffrey Scott Hamilton
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Application granted granted Critical
Publication of DE3685067D1 publication Critical patent/DE3685067D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1696—Systems operating in the time domain of the television signal by changing or reversing the order of active picture signal portions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE8686109535T 1985-08-22 1986-07-11 Videokodiergeraet. Expired - Lifetime DE3685067D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/768,426 US4796299A (en) 1985-08-22 1985-08-22 Video encoder apparatus

Publications (1)

Publication Number Publication Date
DE3685067D1 true DE3685067D1 (de) 1992-06-04

Family

ID=25082472

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686109535T Expired - Lifetime DE3685067D1 (de) 1985-08-22 1986-07-11 Videokodiergeraet.

Country Status (4)

Country Link
US (1) US4796299A (de)
EP (1) EP0212223B1 (de)
JP (1) JPS6247287A (de)
DE (1) DE3685067D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638554A1 (de) * 1986-11-12 1988-05-26 Siemens Ag Verfahren und anordnung zum verschluesseln von digitalen videosignalen
FR2626131B1 (fr) * 1988-01-14 1990-06-22 Telediffusion Fse Procede et dispositif de permutation de lignes de television par bloc
JPH0260291A (ja) * 1988-08-25 1990-02-28 Matsushita Electric Ind Co Ltd デスクランブル装置
CH682614A5 (fr) * 1990-02-21 1993-10-15 Kudelski Sa Procédé d'embrouillage et de désembrouillage d'un signal vidéo.
US5239582A (en) * 1991-11-08 1993-08-24 Macrovision Corporation Ramp generation for preventing transitions with infinite short rise time in a video scrambling system
DE69324188T2 (de) * 1992-04-17 1999-07-22 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Videorecorder
US5619247A (en) * 1995-02-24 1997-04-08 Smart Vcr Limited Partnership Stored program pay-per-play
US6732366B1 (en) 1995-02-24 2004-05-04 James Russo Stored program pay-per-play
US6473876B1 (en) * 1999-06-29 2002-10-29 Sony Corporation Method and apparatus for encoding of bitstreams using rotation
US6493842B1 (en) 1999-06-29 2002-12-10 Sony Corporation Time-varying randomization for data synchronization and implicit information transmission
US6389562B1 (en) 1999-06-29 2002-05-14 Sony Corporation Source code shuffling to provide for robust error recovery
US6539517B1 (en) 1999-11-09 2003-03-25 Sony Corporation Data transformation for explicit transmission of control information

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405942A (en) * 1981-02-25 1983-09-20 Telease, Inc. Method and system for secure transmission and reception of video information, particularly for television
AU562395B2 (en) * 1981-09-10 1987-06-11 Sony Corporation Subscription television system
JPS58188981A (ja) * 1982-04-28 1983-11-04 Sony Corp ビデオ信号伝送システム
JPS59122094A (ja) * 1982-12-27 1984-07-14 Sony Corp 映像信号の盗聴防止方式
US4547802A (en) * 1983-04-29 1985-10-15 Westinghouse Electric Corp. TV Scrambler/descrambler using serial memories
US4563702A (en) * 1983-05-27 1986-01-07 M/A-Com Linkabit, Inc. Video signal scrambling and descrambling systems
US4642688A (en) * 1983-06-24 1987-02-10 Scientific Atlanta, Inc. Method and apparatus for creating encrypted and decrypted television signals
JPS6074888A (ja) * 1983-09-30 1985-04-27 Nippon Hoso Kyokai <Nhk> 画像スクランブル・デスクランブル方式
GB2152274B (en) * 1984-01-04 1987-12-23 England Electric Valve Company Coupling a discharge tube output to a waveguide
FR2561478B1 (fr) * 1984-03-16 1987-06-26 Labo Electronique Physique Dispositif de dechiffrement et de decodage d'images de television codees selon le standard mac et brouillees par application aux signaux video de permutations circulaires
US4620224A (en) * 1985-04-03 1986-10-28 Communications Satellite Corp. Video scrambling technique for multiplexed analog component formats

Also Published As

Publication number Publication date
EP0212223B1 (de) 1992-04-29
JPS6247287A (ja) 1987-02-28
US4796299A (en) 1989-01-03
EP0212223A1 (de) 1987-03-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee