NO179060C - Universal-dekoder - Google Patents

Universal-dekoder

Info

Publication number
NO179060C
NO179060C NO903252A NO903252A NO179060C NO 179060 C NO179060 C NO 179060C NO 903252 A NO903252 A NO 903252A NO 903252 A NO903252 A NO 903252A NO 179060 C NO179060 C NO 179060C
Authority
NO
Norway
Prior art keywords
universal decoder
decoder
universal
Prior art date
Application number
NO903252A
Other languages
English (en)
Norwegian (no)
Other versions
NO179060B (no
NO903252L (no
NO903252D0 (no
Inventor
Ralph P Harney
Michael L Hightower
Anthony J Wechselberger
Original Assignee
Oci Communications Inc
Oak Industries Inc
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 Oci Communications Inc, Oak Industries Inc filed Critical Oci Communications Inc
Publication of NO903252D0 publication Critical patent/NO903252D0/no
Publication of NO903252L publication Critical patent/NO903252L/no
Publication of NO179060B publication Critical patent/NO179060B/no
Publication of NO179060C publication Critical patent/NO179060C/no

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
    • H04N7/171—Systems operating in the amplitude domain of the television signal
    • H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals
    • 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
    • H04N7/171—Systems operating in the amplitude domain of the television signal
    • H04N7/1716—Systems operating in the amplitude domain of the television signal by inverting the polarity of active picture signal portions

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Details Of Television Scanning (AREA)
  • Semiconductor Lasers (AREA)
  • Synchronizing For Television (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
NO903252A 1989-07-21 1990-07-20 Universal-dekoder NO179060C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38289989A 1989-07-21 1989-07-21

Publications (4)

Publication Number Publication Date
NO903252D0 NO903252D0 (no) 1990-07-20
NO903252L NO903252L (no) 1991-01-22
NO179060B NO179060B (no) 1996-04-15
NO179060C true NO179060C (no) 1996-08-28

Family

ID=23510887

Family Applications (1)

Application Number Title Priority Date Filing Date
NO903252A NO179060C (no) 1989-07-21 1990-07-20 Universal-dekoder

Country Status (14)

Country Link
EP (1) EP0409211B1 (da)
JP (1) JP2635202B2 (da)
AR (1) AR244481A1 (da)
AT (1) ATE124833T1 (da)
AU (1) AU621762B2 (da)
BR (1) BR9003532A (da)
CA (1) CA2020313C (da)
DE (1) DE69020654T2 (da)
DK (1) DK0409211T3 (da)
ES (1) ES2077612T3 (da)
GR (1) GR3017056T3 (da)
IL (1) IL94988A0 (da)
NO (1) NO179060C (da)
PL (1) PL163971B1 (da)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222068A (en) * 1978-11-02 1980-09-09 American Television And Communications Corporation Subscription television apparatus and methods
US4338628A (en) * 1979-12-19 1982-07-06 Dynacom International, Inc. Scrambled video communication system
US4336553A (en) * 1980-05-14 1982-06-22 Oak Industries Method of coding audio and video signals
US4965825A (en) * 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
JPS60103789A (ja) * 1983-11-10 1985-06-08 Sanyo Electric Co Ltd テレビジヨン信号のスクランブル方式
US4571615A (en) * 1983-06-10 1986-02-18 General Instrument Corporation Timing generator for sync suppressed television signals
US4815129A (en) * 1985-01-02 1989-03-21 General Instrument Corp. Video encryption system
JPS6260383A (ja) * 1985-09-10 1987-03-17 Matsushita Electric Ind Co Ltd 映像信号処理装置
JPS63122388A (ja) * 1986-11-12 1988-05-26 Hitachi Ltd 同期再生回路
US4928309A (en) * 1989-03-31 1990-05-22 General Instrument Corporation Method and apparatus for descrambling a television signal

Also Published As

Publication number Publication date
DK0409211T3 (da) 1995-11-20
IL94988A0 (en) 1991-06-10
GR3017056T3 (en) 1995-11-30
BR9003532A (pt) 1991-08-27
JP2635202B2 (ja) 1997-07-30
PL163971B1 (pl) 1994-06-30
NO179060B (no) 1996-04-15
AU5890390A (en) 1991-01-24
ATE124833T1 (de) 1995-07-15
JPH03101577A (ja) 1991-04-26
EP0409211A3 (en) 1992-06-03
EP0409211B1 (en) 1995-07-05
CA2020313A1 (en) 1991-01-22
AU621762B2 (en) 1992-03-19
NO903252L (no) 1991-01-22
AR244481A1 (es) 1993-10-29
EP0409211A2 (en) 1991-01-23
DE69020654T2 (de) 1995-11-30
PL286151A1 (en) 1992-01-27
DE69020654D1 (de) 1995-08-10
ES2077612T3 (es) 1995-12-01
CA2020313C (en) 1996-06-11
NO903252D0 (no) 1990-07-20

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN JANUARY 2003