JPS5765974A - Receiver for character multiplex broadcast - Google Patents

Receiver for character multiplex broadcast

Info

Publication number
JPS5765974A
JPS5765974A JP14348880A JP14348880A JPS5765974A JP S5765974 A JPS5765974 A JP S5765974A JP 14348880 A JP14348880 A JP 14348880A JP 14348880 A JP14348880 A JP 14348880A JP S5765974 A JPS5765974 A JP S5765974A
Authority
JP
Japan
Prior art keywords
conceal
display
circuit
memory
signal
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
JP14348880A
Other languages
Japanese (ja)
Inventor
Chika Fukuda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14348880A priority Critical patent/JPS5765974A/en
Publication of JPS5765974A publication Critical patent/JPS5765974A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—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)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)

Abstract

PURPOSE:To facilitate judging a conceal display, by detecting and storing a symbolic pattern indicating the conceal display in the page control bucket of a television signal and by displaying it as a specific pattern by a display means. CONSTITUTION:A color code indicating a conceal display in the page in a page control bucket is detected by a signal processing circuit 3 and is stored in conceal memory 8. A discriminating circuit 9 discriminates whether the color code read out from a color memory 6 coincides with the color code in the conceal memory 8 or not by comparison; and if they coincide with each other, a high-level signal is outputted. Next, an address signal is sent from an address generating circuit 10 synchronously with a display control circuit 4 to read the memory of a source character generating circuit 11, and a specific symboillic pattern is displayed on a conceal display part through a switching circuit 12. In this case, the switching circuit 12 outputs the output signal of the source character generating circuit 11 when the output of the discriminating circuit 9 is high-level. Thus, the audience judges the conceal display easily.
JP14348880A 1980-10-13 1980-10-13 Receiver for character multiplex broadcast Pending JPS5765974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14348880A JPS5765974A (en) 1980-10-13 1980-10-13 Receiver for character multiplex broadcast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14348880A JPS5765974A (en) 1980-10-13 1980-10-13 Receiver for character multiplex broadcast

Publications (1)

Publication Number Publication Date
JPS5765974A true JPS5765974A (en) 1982-04-21

Family

ID=15339865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14348880A Pending JPS5765974A (en) 1980-10-13 1980-10-13 Receiver for character multiplex broadcast

Country Status (1)

Country Link
JP (1) JPS5765974A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6499103B1 (en) 1997-11-21 2002-12-24 Nds Limited Symbol-display system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026431A (en) * 1973-07-06 1975-03-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5026431A (en) * 1973-07-06 1975-03-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6499103B1 (en) 1997-11-21 2002-12-24 Nds Limited Symbol-display system

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