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
  • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
  • H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
  • H04N5/9206—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a character code signal
  • H04N5/9207—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a character code signal for teletext
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N5/00—Details of television systems
  • H04N5/04—Synchronising
  • H04N5/08—Separation of synchronising signals from picture signals
  • H04N5/10—Separation of line synchronising signal from frame synchronising signal or vice versa
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N7/00—Television systems
  • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
  • H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
  • H04N7/0352—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal for regeneration of the clock signal
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N7/00—Television systems
  • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
  • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
  • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
  • H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Signal Processing (AREA)
• Synchronizing For Television (AREA)
• Television Systems (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10697663

Family Applications (1)

Country Status (13)

Families Citing this family (3)

Family Cites Families (9)

• 1991
  • 1991-07-02 GB GB919114245A patent/GB9114245D0/en active Pending
• 1992
  • 1992-06-15 EP EP92914244A patent/EP0592518B1/en not_active Expired - Lifetime
  • 1992-06-15 WO PCT/US1992/004825 patent/WO1993001680A1/en active IP Right Grant
  • 1992-06-15 ES ES92914244T patent/ES2111071T3/es not_active Expired - Lifetime
  • 1992-06-15 DE DE69223966T patent/DE69223966T2/de not_active Expired - Lifetime
  • 1992-06-15 IN IN423CA1992 patent/IN178195B/en unknown
  • 1992-06-15 CA CA002110603A patent/CA2110603C/en not_active Expired - Fee Related
  • 1992-06-15 SG SG9602497A patent/SG97739A1/en unknown
  • 1992-06-15 BR BR9206212A patent/BR9206212A/pt not_active IP Right Cessation
  • 1992-06-15 KR KR1019930704091A patent/KR100272734B1/ko not_active IP Right Cessation
  • 1992-06-15 JP JP50096993A patent/JP3480573B2/ja not_active Expired - Fee Related
  • 1992-07-01 CN CN 92105415 patent/CN1033550C/zh not_active Expired - Fee Related
  • 1992-07-02 MX MX9203914A patent/MX9203914A/es active IP Right Grant

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