JPS56129479A - Detector for changing point - Google Patents

Detector for changing point

Info

Publication number
JPS56129479A
JPS56129479A JP3296180A JP3296180A JPS56129479A JP S56129479 A JPS56129479 A JP S56129479A JP 3296180 A JP3296180 A JP 3296180A JP 3296180 A JP3296180 A JP 3296180A JP S56129479 A JPS56129479 A JP S56129479A
Authority
JP
Japan
Prior art keywords
signal
output
point
conversion circuit
circuit
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
JP3296180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6258588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Yasukazu Nishino
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 JP3296180A priority Critical patent/JPS56129479A/ja
Publication of JPS56129479A publication Critical patent/JPS56129479A/ja
Publication of JPS6258588B2 publication Critical patent/JPS6258588B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP3296180A 1980-03-14 1980-03-14 Detector for changing point Granted JPS56129479A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3296180A JPS56129479A (en) 1980-03-14 1980-03-14 Detector for changing point

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3296180A JPS56129479A (en) 1980-03-14 1980-03-14 Detector for changing point

Publications (2)

Publication Number Publication Date
JPS56129479A true JPS56129479A (en) 1981-10-09
JPS6258588B2 JPS6258588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-07

Family

ID=12373509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3296180A Granted JPS56129479A (en) 1980-03-14 1980-03-14 Detector for changing point

Country Status (1)

Country Link
JP (1) JPS56129479A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52113617A (en) * 1976-03-19 1977-09-22 Nippon Telegr & Teleph Corp <Ntt> Signal variation point detection

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52113617A (en) * 1976-03-19 1977-09-22 Nippon Telegr & Teleph Corp <Ntt> Signal variation point detection

Also Published As

Publication number Publication date
JPS6258588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-12-07

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