JPS5725774A - Processing circuit of light volume detection signal for solid state scanner - Google Patents

Processing circuit of light volume detection signal for solid state scanner

Info

Publication number
JPS5725774A
JPS5725774A JP10075180A JP10075180A JPS5725774A JP S5725774 A JPS5725774 A JP S5725774A JP 10075180 A JP10075180 A JP 10075180A JP 10075180 A JP10075180 A JP 10075180A JP S5725774 A JPS5725774 A JP S5725774A
Authority
JP
Japan
Prior art keywords
light volume
amplifier
signal
supplied
solid state
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
JP10075180A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0147945B2 (enrdf_load_stackoverflow
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 true JPS5725774A (en) 1982-02-10
JPH0147945B2 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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4616253A (en) * 1982-06-02 1986-10-07 Nippon Kogaku K.K. White balance control apparatus for color video cameras
JPS63160462A (ja) * 1986-12-24 1988-07-04 Ricoh Co Ltd 読取装置
JPS63178661A (ja) * 1987-01-19 1988-07-22 Agency Of Ind Science & Technol 原稿読取装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102219000B1 (ko) * 2019-05-20 2021-02-23 주식회사 스토리메이커 정서발달장치 및 정서발달방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315017A (en) * 1976-07-27 1978-02-10 Matsushita Electric Ind Co Ltd Facsimile equipment
JPS545323A (en) * 1977-06-14 1979-01-16 Ricoh Co Ltd Compensating unit for light source output variation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315017A (en) * 1976-07-27 1978-02-10 Matsushita Electric Ind Co Ltd Facsimile equipment
JPS545323A (en) * 1977-06-14 1979-01-16 Ricoh Co Ltd Compensating unit for light source output variation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616253A (en) * 1982-06-02 1986-10-07 Nippon Kogaku K.K. White balance control apparatus for color video cameras
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
JPS63178661A (ja) * 1987-01-19 1988-07-22 Agency Of Ind Science & Technol 原稿読取装置

Also Published As

Publication number Publication date
JPH0147945B2 (enrdf_load_stackoverflow) 1989-10-17

Similar Documents

Publication Publication Date Title
JPS57138208A (en) Power detecting circuit and gain control circuit using it
AU3103893A (en) Detection of electrode patient motion and fast restore limits
EP0395452A3 (en) Image processing apparatus
JPS5725774A (en) Processing circuit of light volume detection signal for solid state scanner
JPS5758515A (en) Alarm system for vehicle
JPS5741267A (en) Circuit for detecting steering angle center of vehicle
JPS57170607A (en) Amplifying circuit
EP0295933A3 (en) Light level detector
JPS55149021A (en) Discriminating device for sound to be measured
JPS56103310A (en) System for controlling distance from target by using reflection type optical sensor
JPS5495067A (en) Mill coating detection method
JPS5694206A (en) Position detecting device
JPS56135108A (en) Processing of output signal from detector
JPS6447111A (en) Agc circuit
JPS6466569A (en) Method for measuring partial discharge
JPS54151066A (en) Expression method of strip shape pattern
JPS57153251A (en) Detection apparatus
JPS5764128A (en) Loose parts monitor
JPS56124161A (en) Intermusic detector of record player
JPS6427323A (en) Transmission equipment
JPS57164605A (en) Amplifier
JPS6419551A (en) Inter-music detecting device
JPS6419832A (en) Narrow band detector
JPS5379358A (en) Multistage on-line differential amplifier
JPS5749847A (en) Discriminating device for reducing gas and humidity