JPS57199375A - Character broadcasting receiver - Google Patents

Character broadcasting receiver

Info

Publication number
JPS57199375A
JPS57199375A JP56084338A JP8433881A JPS57199375A JP S57199375 A JPS57199375 A JP S57199375A JP 56084338 A JP56084338 A JP 56084338A JP 8433881 A JP8433881 A JP 8433881A JP S57199375 A JPS57199375 A JP S57199375A
Authority
JP
Japan
Prior art keywords
display
circuit
character
memory
address
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.)
Pending
Application number
JP56084338A
Other languages
Japanese (ja)
Inventor
Toyotaro Nishihara
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56084338A priority Critical patent/JPS57199375A/en
Publication of JPS57199375A publication Critical patent/JPS57199375A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N7/0884—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 additional display-information, e.g. menu for programme or channel selection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Television Systems (AREA)

Abstract

PURPOSE:To select a program of vertical scroll display, and to display the whole one picture portion without a queuing time, by providing a means for discriminating a control code display mode of a page control packet PCP of a character signal recorded in a memory. CONSTITUTION:A character symbol of a character broadcasting number is always stored in a memory 14, a write address of the memory 14 is set by an address setting means 12, and a received program number is compared with a program number requested by a user from a data processing circuit 5, in a program number comparring circuit 10. Whether a character signal obtained by coincidence of the program numbers in this circuit 10 is a page control packet or not is discriminated with a PCP discriminating circuit 11, its control mode code is discriminated by a display mode discriminating circuit 16, and whether a display form of character broadcasting is fixed display or vertical scroll display is discriminated. In case of scroll display, an address of the means 12 is increased, and a character signal of one picture portion is recorded in the memory 14 without driving an address resetting circuit 13, so that it can be displayed without a queuing time.
JP56084338A 1981-06-03 1981-06-03 Character broadcasting receiver Pending JPS57199375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56084338A JPS57199375A (en) 1981-06-03 1981-06-03 Character broadcasting receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56084338A JPS57199375A (en) 1981-06-03 1981-06-03 Character broadcasting receiver

Publications (1)

Publication Number Publication Date
JPS57199375A true JPS57199375A (en) 1982-12-07

Family

ID=13827711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56084338A Pending JPS57199375A (en) 1981-06-03 1981-06-03 Character broadcasting receiver

Country Status (1)

Country Link
JP (1) JPS57199375A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63189083A (en) * 1987-01-31 1988-08-04 Fujitsu General Ltd Teletext receiver
EP0497235A2 (en) * 1991-01-31 1992-08-05 EDICO S.r.l. Improved teletext transmission receiver

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63189083A (en) * 1987-01-31 1988-08-04 Fujitsu General Ltd Teletext receiver
EP0497235A2 (en) * 1991-01-31 1992-08-05 EDICO S.r.l. Improved teletext transmission receiver
EP0497235A3 (en) * 1991-01-31 1993-03-17 Edico S.R.L. Improved teletext transmission receiver

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