JPH0147945B2 - - Google Patents

Info

Publication number
JPH0147945B2
JPH0147945B2 JP55100751A JP10075180A JPH0147945B2 JP H0147945 B2 JPH0147945 B2 JP H0147945B2 JP 55100751 A JP55100751 A JP 55100751A JP 10075180 A JP10075180 A JP 10075180A JP H0147945 B2 JPH0147945 B2 JP H0147945B2
Authority
JP
Japan
Prior art keywords
signal
light
error
amount
reference value
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.)
Expired
Application number
JP55100751A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5725774A (en
Inventor
Yoshiaki Kamimoto
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP10075180A priority Critical patent/JPS5725774A/ja
Publication of JPS5725774A publication Critical patent/JPS5725774A/ja
Publication of JPH0147945B2 publication Critical patent/JPH0147945B2/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
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP10075180A 1980-07-23 1980-07-23 Processing circuit of light volume detection signal for solid state scanner Granted JPS5725774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10075180A JPS5725774A (en) 1980-07-23 1980-07-23 Processing circuit of light volume detection signal for solid state scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10075180A JPS5725774A (en) 1980-07-23 1980-07-23 Processing circuit of light volume detection signal for solid state scanner

Publications (2)

Publication Number Publication Date
JPS5725774A JPS5725774A (en) 1982-02-10
JPH0147945B2 true JPH0147945B2 (enrdf_load_stackoverflow) 1989-10-17

Family

ID=14282220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10075180A Granted JPS5725774A (en) 1980-07-23 1980-07-23 Processing circuit of light volume detection signal for solid state scanner

Country Status (1)

Country Link
JP (1) JPS5725774A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200133535A (ko) * 2019-05-20 2020-11-30 주식회사 스토리메이커 정서발달장치 및 정서발달방법

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58210782A (ja) * 1982-06-02 1983-12-08 Nippon Kogaku Kk <Nikon> カラ−テレビジヨンカメラ
JPS5922481A (ja) * 1982-07-28 1984-02-04 Konishiroku Photo Ind Co Ltd リツプル補正装置
JPS61112472A (ja) * 1984-10-09 1986-05-30 Fujitsu Ltd 光学式読取り装置
JPS63160462A (ja) * 1986-12-24 1988-07-04 Ricoh Co Ltd 読取装置
JP2595222B2 (ja) * 1987-01-19 1997-04-02 工業技術院長 原稿読取装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016786B2 (ja) * 1976-07-27 1985-04-27 松下電器産業株式会社 模写電送装置
JPS545323A (en) * 1977-06-14 1979-01-16 Ricoh Co Ltd Compensating unit for light source output variation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200133535A (ko) * 2019-05-20 2020-11-30 주식회사 스토리메이커 정서발달장치 및 정서발달방법

Also Published As

Publication number Publication date
JPS5725774A (en) 1982-02-10

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