JPS622756B2 - - Google Patents

Info

Publication number
JPS622756B2
JPS622756B2 JP11424279A JP11424279A JPS622756B2 JP S622756 B2 JPS622756 B2 JP S622756B2 JP 11424279 A JP11424279 A JP 11424279A JP 11424279 A JP11424279 A JP 11424279A JP S622756 B2 JPS622756 B2 JP S622756B2
Authority
JP
Grant status
Grant
Patent type
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
Application number
JP11424279A
Other versions
JPS5639685A (en )
Inventor
Tsutomu Kanai
Masataka Okada
Toshimi Shiun
Yoichi Iwasaki
Original Assignee
Clarion 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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
JP11424279A 1979-09-07 1979-09-07 Expired JPS622756B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11424279A JPS622756B2 (en) 1979-09-07 1979-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11424279A JPS622756B2 (en) 1979-09-07 1979-09-07

Publications (2)

Publication Number Publication Date
JPS5639685A true JPS5639685A (en) 1981-04-15
JPS622756B2 true JPS622756B2 (en) 1987-01-21

Family

ID=14632828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11424279A Expired JPS622756B2 (en) 1979-09-07 1979-09-07

Country Status (1)

Country Link
JP (1) JPS622756B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484027A (en) * 1981-11-19 1984-11-20 Communications Satellite Corporation Security system for SSTV encryption
US4494143A (en) * 1982-03-29 1985-01-15 Rca Corporation Television descrambler with security plug having folded flexible printed circuit board providing tier tag memory
US4802214A (en) * 1982-04-23 1989-01-31 Eagle Comtronics, Inc. Method and apparatus for identifying and rendering operative particular descramblers in a television signal scrambling system
US4696034A (en) * 1984-10-12 1987-09-22 Signal Security Technologies High security pay television system

Also Published As

Publication number Publication date Type
JPS5639685A (en) 1981-04-15 application

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