EP1147664A4 - Verfahren und gerät zur datenübertragung mit videosignalen, so dass die daten nicht gespeichert werden - Google Patents

Verfahren und gerät zur datenübertragung mit videosignalen, so dass die daten nicht gespeichert werden

Info

Publication number
EP1147664A4
EP1147664A4 EP00904592A EP00904592A EP1147664A4 EP 1147664 A4 EP1147664 A4 EP 1147664A4 EP 00904592 A EP00904592 A EP 00904592A EP 00904592 A EP00904592 A EP 00904592A EP 1147664 A4 EP1147664 A4 EP 1147664A4
Authority
EP
European Patent Office
Prior art keywords
data
recorded
video signal
carrying
carrying data
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.)
Ceased
Application number
EP00904592A
Other languages
English (en)
French (fr)
Other versions
EP1147664A1 (de
Inventor
John O Ryan
James R Holzgrafe
Mark A Hollar
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.)
Rovi Corp
Original Assignee
Macrovision 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 Macrovision Corp filed Critical Macrovision Corp
Publication of EP1147664A1 publication Critical patent/EP1147664A1/de
Publication of EP1147664A4 publication Critical patent/EP1147664A4/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Systems (AREA)
EP00904592A 1999-01-26 2000-01-25 Verfahren und gerät zur datenübertragung mit videosignalen, so dass die daten nicht gespeichert werden Ceased EP1147664A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11727399P 1999-01-26 1999-01-26
US117273P 1999-01-26
PCT/US2000/001964 WO2000044167A1 (en) 1999-01-26 2000-01-25 Method and apparatus for carrying data with a video signal so that the data is not recorded

Publications (2)

Publication Number Publication Date
EP1147664A1 EP1147664A1 (de) 2001-10-24
EP1147664A4 true EP1147664A4 (de) 2003-06-25

Family

ID=22371951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00904592A Ceased EP1147664A4 (de) 1999-01-26 2000-01-25 Verfahren und gerät zur datenübertragung mit videosignalen, so dass die daten nicht gespeichert werden

Country Status (4)

Country Link
EP (1) EP1147664A4 (de)
JP (1) JP3676679B2 (de)
AU (1) AU2632300A (de)
WO (1) WO2000044167A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7784103B2 (en) * 2004-10-19 2010-08-24 Rovi Solutions Corporation Method and apparatus for storing copy protection information separately from protected content

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989010664A1 (en) * 1988-04-29 1989-11-02 Scientific Atlanta, Inc. In-band controller
EP0843472A1 (de) * 1996-11-19 1998-05-20 Sony Corporation Informationsübertragungsverfahren, Informationsverdopplungsverhinderungsverfahren, Informationsverdopplungsverhinderungsvorrichtung, und Informationsaufnahmemedium
US5778140A (en) * 1992-07-28 1998-07-07 Hitachi, Ltd. Video signal processing apparatus
WO1998034401A2 (en) * 1997-02-04 1998-08-06 Macrovision Corporation Method and apparatus for modifying the envelope of an rf carrier signal to remove copy protection signals therefrom

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1142296B1 (de) 1999-01-15 2012-05-09 Rovi Solutions Corporation Verfahren und gerät zum verschlüsseln von hochauflösenden fernsehsignalen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989010664A1 (en) * 1988-04-29 1989-11-02 Scientific Atlanta, Inc. In-band controller
US5778140A (en) * 1992-07-28 1998-07-07 Hitachi, Ltd. Video signal processing apparatus
EP0843472A1 (de) * 1996-11-19 1998-05-20 Sony Corporation Informationsübertragungsverfahren, Informationsverdopplungsverhinderungsverfahren, Informationsverdopplungsverhinderungsvorrichtung, und Informationsaufnahmemedium
WO1998034401A2 (en) * 1997-02-04 1998-08-06 Macrovision Corporation Method and apparatus for modifying the envelope of an rf carrier signal to remove copy protection signals therefrom

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0044167A1 *

Also Published As

Publication number Publication date
JP3676679B2 (ja) 2005-07-27
AU2632300A (en) 2000-08-07
WO2000044167A1 (en) 2000-07-27
EP1147664A1 (de) 2001-10-24
JP2002535929A (ja) 2002-10-22

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