JPS6367796B2 - - Google Patents

Info

Publication number
JPS6367796B2
JPS6367796B2 JP56115506A JP11550681A JPS6367796B2 JP S6367796 B2 JPS6367796 B2 JP S6367796B2 JP 56115506 A JP56115506 A JP 56115506A JP 11550681 A JP11550681 A JP 11550681A JP S6367796 B2 JPS6367796 B2 JP S6367796B2
Authority
JP
Japan
Prior art keywords
signal
circuit
video
encrypted
television
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
Application number
JP56115506A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5824285A (ja
Inventor
Yoshihisa Takeda
Akimori Tomizawa
Yoshio Kizaki
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.)
Faurecia Clarion Electronics Co Ltd
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
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to JP56115506A priority Critical patent/JPS5824285A/ja
Publication of JPS5824285A publication Critical patent/JPS5824285A/ja
Publication of JPS6367796B2 publication Critical patent/JPS6367796B2/ja
Granted 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
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP56115506A 1981-07-23 1981-07-23 有料テレビジヨン方式 Granted JPS5824285A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56115506A JPS5824285A (ja) 1981-07-23 1981-07-23 有料テレビジヨン方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56115506A JPS5824285A (ja) 1981-07-23 1981-07-23 有料テレビジヨン方式

Publications (2)

Publication Number Publication Date
JPS5824285A JPS5824285A (ja) 1983-02-14
JPS6367796B2 true JPS6367796B2 (enrdf_load_stackoverflow) 1988-12-27

Family

ID=14664200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56115506A Granted JPS5824285A (ja) 1981-07-23 1981-07-23 有料テレビジヨン方式

Country Status (1)

Country Link
JP (1) JPS5824285A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01152818U (enrdf_load_stackoverflow) * 1988-04-13 1989-10-20

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1155518A (en) * 1979-02-20 1983-10-18 William S.H. Cheung Encoding of information

Also Published As

Publication number Publication date
JPS5824285A (ja) 1983-02-14

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