ATE33739T1 - Sicherheitssystem fuer fernsehsignalchiffrierung. - Google Patents

Sicherheitssystem fuer fernsehsignalchiffrierung.

Info

Publication number
ATE33739T1
ATE33739T1 AT84902601T AT84902601T ATE33739T1 AT E33739 T1 ATE33739 T1 AT E33739T1 AT 84902601 T AT84902601 T AT 84902601T AT 84902601 T AT84902601 T AT 84902601T AT E33739 T1 ATE33739 T1 AT E33739T1
Authority
AT
Austria
Prior art keywords
security system
television signal
signal encryption
encryption
television
Prior art date
Application number
AT84902601T
Other languages
English (en)
Inventor
Arthur Gordon Mason
Original Assignee
Indep Broadcasting Authority
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 Indep Broadcasting Authority filed Critical Indep Broadcasting Authority
Priority claimed from EP84902601A external-priority patent/EP0151147B1/de
Application granted granted Critical
Publication of ATE33739T1 publication Critical patent/ATE33739T1/de

Links

AT84902601T 1983-07-22 1984-07-02 Sicherheitssystem fuer fernsehsignalchiffrierung. ATE33739T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8319817 1983-07-22
EP84902601A EP0151147B1 (de) 1983-07-22 1984-07-02 Sicherheitssystem für fernsehsignalchiffrierung
PCT/GB1984/000236 WO1985000718A1 (en) 1983-07-22 1984-07-02 Security system for television signal encryption

Publications (1)

Publication Number Publication Date
ATE33739T1 true ATE33739T1 (de) 1988-05-15

Family

ID=26096227

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84902601T ATE33739T1 (de) 1983-07-22 1984-07-02 Sicherheitssystem fuer fernsehsignalchiffrierung.

Country Status (1)

Country Link
AT (1) ATE33739T1 (de)

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties