JPS5780861A - Binary circuit for photoelectric conversion signal - Google Patents

Binary circuit for photoelectric conversion signal

Info

Publication number
JPS5780861A
JPS5780861A JP55156456A JP15645680A JPS5780861A JP S5780861 A JPS5780861 A JP S5780861A JP 55156456 A JP55156456 A JP 55156456A JP 15645680 A JP15645680 A JP 15645680A JP S5780861 A JPS5780861 A JP S5780861A
Authority
JP
Japan
Prior art keywords
memory
light
original
level
power source
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
JP55156456A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0142545B2 (enExample
Inventor
Hideki Muroya
Yasuo Inoue
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 JP55156456A priority Critical patent/JPS5780861A/ja
Publication of JPS5780861A publication Critical patent/JPS5780861A/ja
Publication of JPH0142545B2 publication Critical patent/JPH0142545B2/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)
  • Image Input (AREA)
JP55156456A 1980-11-08 1980-11-08 Binary circuit for photoelectric conversion signal Granted JPS5780861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55156456A JPS5780861A (en) 1980-11-08 1980-11-08 Binary circuit for photoelectric conversion signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55156456A JPS5780861A (en) 1980-11-08 1980-11-08 Binary circuit for photoelectric conversion signal

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2215701A Division JPH03219779A (ja) 1990-08-17 1990-08-17 ファクシミリ装置

Publications (2)

Publication Number Publication Date
JPS5780861A true JPS5780861A (en) 1982-05-20
JPH0142545B2 JPH0142545B2 (enExample) 1989-09-13

Family

ID=15628140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55156456A Granted JPS5780861A (en) 1980-11-08 1980-11-08 Binary circuit for photoelectric conversion signal

Country Status (1)

Country Link
JP (1) JPS5780861A (enExample)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4979733A (enExample) * 1972-11-13 1974-08-01
JPS5021611A (enExample) * 1973-06-25 1975-03-07
JPS5437626A (en) * 1977-08-30 1979-03-20 Sharp Corp Correction system for facsimile read output

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4979733A (enExample) * 1972-11-13 1974-08-01
JPS5021611A (enExample) * 1973-06-25 1975-03-07
JPS5437626A (en) * 1977-08-30 1979-03-20 Sharp Corp Correction system for facsimile read output

Also Published As

Publication number Publication date
JPH0142545B2 (enExample) 1989-09-13

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