GB9500532D0 - Encryption of television services - Google Patents

Encryption of television services

Info

Publication number
GB9500532D0
GB9500532D0 GBGB9500532.8A GB9500532A GB9500532D0 GB 9500532 D0 GB9500532 D0 GB 9500532D0 GB 9500532 A GB9500532 A GB 9500532A GB 9500532 D0 GB9500532 D0 GB 9500532D0
Authority
GB
United Kingdom
Prior art keywords
encryption
television services
television
services
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.)
Withdrawn
Application number
GBGB9500532.8A
Other versions
GB2297017A (en
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.)
FARNCOMBE TECHNOLOGY Ltd
Original Assignee
FARNCOMBE TECHNOLOGY 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 FARNCOMBE TECHNOLOGY Ltd filed Critical FARNCOMBE TECHNOLOGY Ltd
Priority to GB9500532A priority Critical patent/GB2297017A/en
Publication of GB9500532D0 publication Critical patent/GB9500532D0/en
Publication of GB2297017A publication Critical patent/GB2297017A/en
Withdrawn legal-status Critical Current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
GB9500532A 1995-01-11 1995-01-11 Encryption of television services Withdrawn GB2297017A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9500532A GB2297017A (en) 1995-01-11 1995-01-11 Encryption of television services

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9500532A GB2297017A (en) 1995-01-11 1995-01-11 Encryption of television services

Publications (2)

Publication Number Publication Date
GB9500532D0 true GB9500532D0 (en) 1995-03-01
GB2297017A GB2297017A (en) 1996-07-17

Family

ID=10767889

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9500532A Withdrawn GB2297017A (en) 1995-01-11 1995-01-11 Encryption of television services

Country Status (1)

Country Link
GB (1) GB2297017A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001177814A (en) * 1999-12-21 2001-06-29 Mitsubishi Electric Corp Restriction reception system
US20060047976A1 (en) * 2004-08-25 2006-03-02 General Instrument Corporation Method and apparatus for generating a decrpytion content key

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388643A (en) * 1981-04-06 1983-06-14 Northern Telecom Limited Method of controlling scrambling and unscrambling in a pay TV system
CA1219930A (en) * 1983-07-21 1987-03-31 Takashi Kamitake Information transmission system
US4944006A (en) * 1987-03-12 1990-07-24 Zenith Electronics Corporation Secure data packet transmission system and method
US4916737A (en) * 1988-11-14 1990-04-10 Teleglobe Pay-Tv System, Inc. Secure anti-piracy encoded television system and method
US5341425A (en) * 1992-12-02 1994-08-23 Scientific Atlanta, Inc. Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site

Also Published As

Publication number Publication date
GB2297017A (en) 1996-07-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)