DE69311600T2 - Verwürfelungskodierer und Fernsehempfänger, der diesen verwendet - Google Patents

Verwürfelungskodierer und Fernsehempfänger, der diesen verwendet

Info

Publication number
DE69311600T2
DE69311600T2 DE69311600T DE69311600T DE69311600T2 DE 69311600 T2 DE69311600 T2 DE 69311600T2 DE 69311600 T DE69311600 T DE 69311600T DE 69311600 T DE69311600 T DE 69311600T DE 69311600 T2 DE69311600 T2 DE 69311600T2
Authority
DE
Germany
Prior art keywords
same
television receiver
scramble encoder
scramble
encoder
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 - Fee Related
Application number
DE69311600T
Other languages
English (en)
Other versions
DE69311600D1 (de
Inventor
Masayoshi Hirashima
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69311600D1 publication Critical patent/DE69311600D1/de
Publication of DE69311600T2 publication Critical patent/DE69311600T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69311600T 1992-03-13 1993-03-10 Verwürfelungskodierer und Fernsehempfänger, der diesen verwendet Expired - Fee Related DE69311600T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8966592 1992-03-13
JP8966492 1992-03-13

Publications (2)

Publication Number Publication Date
DE69311600D1 DE69311600D1 (de) 1997-07-24
DE69311600T2 true DE69311600T2 (de) 1997-10-02

Family

ID=26431081

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69311600T Expired - Fee Related DE69311600T2 (de) 1992-03-13 1993-03-10 Verwürfelungskodierer und Fernsehempfänger, der diesen verwendet

Country Status (4)

Country Link
US (1) US5355409A (de)
EP (1) EP0560345B1 (de)
CA (1) CA2091524C (de)
DE (1) DE69311600T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06176492A (ja) * 1992-12-04 1994-06-24 Sony Corp ディジタルビデオ信号記録再生装置
DE69416183T2 (de) * 1993-04-15 1999-06-10 Matsushita Electric Ind Co Ltd Anordnung zur Verschlüsselung eines Videosignals
WO1996008111A1 (en) * 1994-09-07 1996-03-14 Yee Kong Ng Apparatus and methods for scrambling and unscrambling video signals
FR2730116A1 (fr) * 1995-01-31 1996-08-02 Thomson Broadband Systems Systeme de deport d'un embrouilleur de signal de television
US6064445A (en) * 1996-11-28 2000-05-16 Samsung Electronics Co., Ltd. Automatic picture size control method for semiwide-screen television receiver
US7200747B2 (en) * 2001-10-31 2007-04-03 Hewlett-Packard Development Company, L.P. System for ensuring data privacy and user differentiation in a distributed file system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE33189E (en) * 1981-11-19 1990-03-27 Communications Satellite Corporation Security system for SSTV encryption
JPS6120442A (ja) * 1984-07-09 1986-01-29 Toshiba Corp 有料放送方式

Also Published As

Publication number Publication date
CA2091524C (en) 1999-06-15
US5355409A (en) 1994-10-11
EP0560345B1 (de) 1997-06-18
EP0560345A1 (de) 1993-09-15
CA2091524A1 (en) 1993-09-14
DE69311600D1 (de) 1997-07-24

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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