JPS59226588A - テレビジヨン装置 - Google Patents

テレビジヨン装置

Info

Publication number
JPS59226588A
JPS59226588A JP58103099A JP10309983A JPS59226588A JP S59226588 A JPS59226588 A JP S59226588A JP 58103099 A JP58103099 A JP 58103099A JP 10309983 A JP10309983 A JP 10309983A JP S59226588 A JPS59226588 A JP S59226588A
Authority
JP
Japan
Prior art keywords
channel
signal
transmission line
code
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.)
Granted
Application number
JP58103099A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0531355B2 (enrdf_load_stackoverflow
Inventor
Hidefumi Yasuda
保田　英文
Koji Ishikawa
石川　好司
Hitoshi Mori
仁 森
Noriyuki Kawamoto
河本　典之
Akihisa Sugimoto
杉本　明久
Masatoshi Imai
今井　昌利
Toyokazu Yanagimichi
豊和 柳道
Hachiro Omote
表　八郎
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
Priority to JP58103099A priority Critical patent/JPS59226588A/ja
Publication of JPS59226588A publication Critical patent/JPS59226588A/ja
Publication of JPH0531355B2 publication Critical patent/JPH0531355B2/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
    • H04N7/167—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)
JP58103099A 1983-06-08 1983-06-08 テレビジヨン装置 Granted JPS59226588A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58103099A JPS59226588A (ja) 1983-06-08 1983-06-08 テレビジヨン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58103099A JPS59226588A (ja) 1983-06-08 1983-06-08 テレビジヨン装置

Publications (2)

Publication Number Publication Date
JPS59226588A true JPS59226588A (ja) 1984-12-19
JPH0531355B2 JPH0531355B2 (enrdf_load_stackoverflow) 1993-05-12

Family

ID=14345179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58103099A Granted JPS59226588A (ja) 1983-06-08 1983-06-08 テレビジヨン装置

Country Status (1)

Country Link
JP (1) JPS59226588A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133090A (ja) * 1984-07-25 1986-02-15 Alps Electric Co Ltd Ｃａｔｖコンバ−タ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931809A (enrdf_load_stackoverflow) * 1972-07-26 1974-03-22
JPS5144772A (en) * 1974-10-14 1976-04-16 Ebara Mfg 2 sokudogatayuatsumoota nyoru ageniki nadono yuatsukairo
JPS5640375A (en) * 1979-09-11 1981-04-16 Clarion Co Ltd Pay television broadcast system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931809A (enrdf_load_stackoverflow) * 1972-07-26 1974-03-22
JPS5144772A (en) * 1974-10-14 1976-04-16 Ebara Mfg 2 sokudogatayuatsumoota nyoru ageniki nadono yuatsukairo
JPS5640375A (en) * 1979-09-11 1981-04-16 Clarion Co Ltd Pay television broadcast system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133090A (ja) * 1984-07-25 1986-02-15 Alps Electric Co Ltd Ｃａｔｖコンバ−タ

Also Published As

Publication number Publication date
JPH0531355B2 (enrdf_load_stackoverflow) 1993-05-12

Similar Documents

Publication Publication Date Title
US4398216A (en) Multiple signal transmission method and system, particularly for television
US4253114A (en) High security subscription television system employing real time control of subscriber's program reception
US4081831A (en) High security subscription television system employing real time control of subscriber's program reception
US4410911A (en) Multiple signal transmission method and system, particularly for television
US4322745A (en) Television signal scrambling method for CATV system
US4527195A (en) Apparatus for encoding and decoding information
US4471379A (en) Codified field polarity television system
US4467353A (en) Television signal scrambling system and method
JPH03284087A (ja) ペイ・テレビ装置
KR890004439B1 (ko) 스크램블된 유료방송프로그램 수신기
US3440338A (en) Subscription television system
AU656873B2 (en) System for broadband descrambling of sync suppressed television signals
JPH027236B2 (enrdf_load_stackoverflow)
US4794643A (en) Method for developing a key signal for descrambling in television broadcasting
US5455860A (en) Scramble codec
JPS59226588A (ja) テレビジヨン装置
JPS6016083A (ja) テレビジヨン信号伝送システム
JPH0580195B2 (enrdf_load_stackoverflow)
JPS61141291A (ja) テレビジヨン装置
EP0133190A1 (en) Encoding and decoding of a television signal
KR890000017B1 (ko) 텔리비젼 시스템의 작동방법 및 장치
JPH03280684A (ja) Ｃａｔｖ装置
KR940006734B1 (ko) Catv 송, 수신방법 및 장치
CA1148251A (en) Subscriber control unit for use in a subscription television system and method for operating the same
EP0717907B1 (en) Encryption/decryption process and apparatus for a multichannel television system