JPS59151586A - 文字多重信号検出回路 - Google Patents

文字多重信号検出回路

Info

Publication number
JPS59151586A
JPS59151586A JP2009983A JP2009983A JPS59151586A JP S59151586 A JPS59151586 A JP S59151586A JP 2009983 A JP2009983 A JP 2009983A JP 2009983 A JP2009983 A JP 2009983A JP S59151586 A JPS59151586 A JP S59151586A
Authority
JP
Japan
Prior art keywords
signal
absence
character multiplex
level
clock
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.)
Granted
Application number
JP2009983A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0137030B2 (enrdf_load_stackoverflow
Inventor
Kiyoyuki Kawai
清幸 川井
Shinichi Makino
牧野　進一
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP2009983A priority Critical patent/JPS59151586A/ja
Publication of JPS59151586A publication Critical patent/JPS59151586A/ja
Publication of JPH0137030B2 publication Critical patent/JPH0137030B2/ja
Granted 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
    • H04N7/0882—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)
  • Television Systems (AREA)
JP2009983A 1983-02-09 1983-02-09 文字多重信号検出回路 Granted JPS59151586A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009983A JPS59151586A (ja) 1983-02-09 1983-02-09 文字多重信号検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009983A JPS59151586A (ja) 1983-02-09 1983-02-09 文字多重信号検出回路

Publications (2)

Publication Number Publication Date
JPS59151586A true JPS59151586A (ja) 1984-08-30
JPH0137030B2 JPH0137030B2 (enrdf_load_stackoverflow) 1989-08-03

Family

ID=12017667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009983A Granted JPS59151586A (ja) 1983-02-09 1983-02-09 文字多重信号検出回路

Country Status (1)

Country Link
JP (1) JPS59151586A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598485A (ja) * 1982-07-05 1984-01-17 Matsushita Electric Ind Co Ltd 文字多重放送受信機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598485A (ja) * 1982-07-05 1984-01-17 Matsushita Electric Ind Co Ltd 文字多重放送受信機

Also Published As

Publication number Publication date
JPH0137030B2 (enrdf_load_stackoverflow) 1989-08-03

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