JPS52119328A - Automatic control for amt. of exposure light in electrophotographic co pier - Google Patents

Automatic control for amt. of exposure light in electrophotographic co pier

Info

Publication number
JPS52119328A
JPS52119328A JP3569376A JP3569376A JPS52119328A JP S52119328 A JPS52119328 A JP S52119328A JP 3569376 A JP3569376 A JP 3569376A JP 3569376 A JP3569376 A JP 3569376A JP S52119328 A JPS52119328 A JP S52119328A
Authority
JP
Japan
Prior art keywords
amt
pier
electrophotographic
exposure light
automatic control
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.)
Pending
Application number
JP3569376A
Other languages
Japanese (ja)
Inventor
Susumu Tatsumi
Akira Ikoma
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 JP3569376A priority Critical patent/JPS52119328A/en
Publication of JPS52119328A publication Critical patent/JPS52119328A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)

Abstract

PURPOSE:To adjust the slit width of an exposure light source in order to obtain a proper light amt. of exposure by supplying a reflecting light from the reference original into a light receiving element.
JP3569376A 1976-03-31 1976-03-31 Automatic control for amt. of exposure light in electrophotographic co pier Pending JPS52119328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3569376A JPS52119328A (en) 1976-03-31 1976-03-31 Automatic control for amt. of exposure light in electrophotographic co pier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3569376A JPS52119328A (en) 1976-03-31 1976-03-31 Automatic control for amt. of exposure light in electrophotographic co pier

Publications (1)

Publication Number Publication Date
JPS52119328A true JPS52119328A (en) 1977-10-06

Family

ID=12448967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3569376A Pending JPS52119328A (en) 1976-03-31 1976-03-31 Automatic control for amt. of exposure light in electrophotographic co pier

Country Status (1)

Country Link
JP (1) JPS52119328A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517177A (en) * 1978-07-25 1980-02-06 Ricoh Co Ltd Image exposure device
JPS5915947A (en) * 1982-07-19 1984-01-27 Konishiroku Photo Ind Co Ltd Picture control device of copying machine
JPS5965832A (en) * 1982-10-08 1984-04-14 Canon Inc Image recording control device
JPS61151667A (en) * 1984-12-26 1986-07-10 Canon Inc Forming device of image
JPH0418849U (en) * 1990-06-06 1992-02-17

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517177A (en) * 1978-07-25 1980-02-06 Ricoh Co Ltd Image exposure device
JPS5915947A (en) * 1982-07-19 1984-01-27 Konishiroku Photo Ind Co Ltd Picture control device of copying machine
JPS5965832A (en) * 1982-10-08 1984-04-14 Canon Inc Image recording control device
JPS61151667A (en) * 1984-12-26 1986-07-10 Canon Inc Forming device of image
JPH0418849U (en) * 1990-06-06 1992-02-17

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