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FI925042A0 - Frekvensfoervandlingssystem foer video - Google Patents

Frekvensfoervandlingssystem foer video

Info

Publication number
FI925042A0
FI925042A0 FI925042A FI925042A FI925042A0 FI 925042 A0 FI925042 A0 FI 925042A0 FI 925042 A FI925042 A FI 925042A FI 925042 A FI925042 A FI 925042A FI 925042 A0 FI925042 A0 FI 925042A0
Authority
FI
Finland
Prior art keywords
frekvensfoervandlingssystem
foer
video
frekvensfoervandlingssystem foer
foer video
Prior art date
Application number
FI925042A
Other languages
English (en)
Other versions
FI100289B (fi
FI925042A (fi
Inventor
Takashi Hashimoto
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of FI925042A0 publication Critical patent/FI925042A0/fi
Publication of FI925042A publication Critical patent/FI925042A/fi
Application granted granted Critical
Publication of FI100289B publication Critical patent/FI100289B/fi

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
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1693—Systems operating in the time domain of the television signal by displacing synchronisation signals relative to active picture signals or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FI925042A 1991-11-15 1992-11-06 Videosalausjärjestelmä ja -laitteisto FI100289B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP30064191 1991-11-15
JP30064191 1991-11-15
JP2845492 1992-02-14
JP4028454A JPH07193804A (ja) 1991-11-15 1992-02-14 映像スクランブル方式およびその装置

Publications (3)

Publication Number Publication Date
FI925042A0 true FI925042A0 (fi) 1992-11-06
FI925042A FI925042A (fi) 1993-05-16
FI100289B FI100289B (fi) 1997-10-31

Family

ID=26366568

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925042A FI100289B (fi) 1991-11-15 1992-11-06 Videosalausjärjestelmä ja -laitteisto

Country Status (6)

Country Link
US (1) US5410601A (fi)
JP (1) JPH07193804A (fi)
FI (1) FI100289B (fi)
GB (1) GB2261570B (fi)
NO (1) NO924357L (fi)
SE (1) SE9203393L (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5606612A (en) * 1994-07-25 1997-02-25 General Instrument Corporation, Jerrold Communications Division Method and apparatus for television signal scrambling using a line expansion technique
KR0179515B1 (ko) * 1995-10-25 1999-05-01 이형도 영상신호 암호화 장치
GB2319683A (en) * 1996-11-19 1998-05-27 Digi Media Vision Ltd Apparatus to decode an input video signal
US5831420A (en) * 1997-04-28 1998-11-03 Motorola, Inc. Pulse load averaging power converter
US6976265B1 (en) * 1998-10-08 2005-12-13 Ati International Srl Method and apparatus for controlling display of content signals
US6950520B1 (en) * 1999-01-26 2005-09-27 Macrovision Corporation Method and apparatus for carrying data in a video signal so that the data is not recorded
JP2002202719A (ja) * 2000-11-06 2002-07-19 Sony Corp 暗号化装置及び方法、復号装置及び方法、並びに記憶媒体
US20230090873A1 (en) * 2021-09-21 2023-03-23 Sony Semiconductor Solutions Corporation Communication apparatus and communication system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458268A (en) * 1982-01-08 1984-07-03 Zenith Radio Corporation Sync displacement scrambling
EP0105897A1 (en) * 1982-04-23 1984-04-25 Independent Broadcasting Authority Signal coding for secure transmission
US4642688A (en) * 1983-06-24 1987-02-10 Scientific Atlanta, Inc. Method and apparatus for creating encrypted and decrypted television signals
JPS60102074A (ja) * 1983-11-09 1985-06-06 Nec Corp テレビジヨン映像信号スクランブル方式
US4742544A (en) * 1984-07-09 1988-05-03 Kupnicki Richard A Television transmission network with scrambling and descrambling
US4914694A (en) * 1988-04-11 1990-04-03 Eidak Corporation Modifying a television signal to inhibit recording/reproduction

Also Published As

Publication number Publication date
US5410601A (en) 1995-04-25
FI100289B (fi) 1997-10-31
GB2261570A (en) 1993-05-19
FI925042A (fi) 1993-05-16
GB2261570B (en) 1995-08-02
GB9223901D0 (en) 1993-01-06
NO924357D0 (no) 1992-11-12
SE9203393L (sv) 1993-05-16
NO924357L (no) 1993-05-18
SE9203393D0 (sv) 1992-11-13
JPH07193804A (ja) 1995-07-28

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