NO924357D0 - Fremgangsmaate og utstyr for omkastning av videosignaler - Google Patents

Fremgangsmaate og utstyr for omkastning av videosignaler

Info

Publication number
NO924357D0
NO924357D0 NO924357A NO924357A NO924357D0 NO 924357 D0 NO924357 D0 NO 924357D0 NO 924357 A NO924357 A NO 924357A NO 924357 A NO924357 A NO 924357A NO 924357 D0 NO924357 D0 NO 924357D0
Authority
NO
Norway
Prior art keywords
procedure
equipment
video signals
reversing video
reversing
Prior art date
Application number
NO924357A
Other languages
English (en)
Other versions
NO924357L (no
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 NO924357D0 publication Critical patent/NO924357D0/no
Publication of NO924357L publication Critical patent/NO924357L/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
    • H04N7/169—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)
NO92924357A 1991-11-15 1992-11-12 Fremgangsmaate og utstyr for omkastning av videosignaler NO924357L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30064191 1991-11-15
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 (2)

Publication Number Publication Date
NO924357D0 true NO924357D0 (no) 1992-11-12
NO924357L NO924357L (no) 1993-05-18

Family

ID=26366568

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92924357A NO924357L (no) 1991-11-15 1992-11-12 Fremgangsmaate og utstyr for omkastning av videosignaler

Country Status (6)

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

Families Citing this family (7)

* 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

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
CA1231435A (en) * 1982-04-23 1988-01-12 Gordon M. Drury 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
SE9203393D0 (sv) 1992-11-13
JPH07193804A (ja) 1995-07-28
FI925042A0 (fi) 1992-11-06
US5410601A (en) 1995-04-25
FI100289B (fi) 1997-10-31
GB9223901D0 (en) 1993-01-06
SE9203393L (sv) 1993-05-16
GB2261570A (en) 1993-05-19
NO924357L (no) 1993-05-18
GB2261570B (en) 1995-08-02
FI925042A (fi) 1993-05-16

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