JPH0555855B2 - - Google Patents

Info

Publication number
JPH0555855B2
JPH0555855B2 JP58078451A JP7845183A JPH0555855B2 JP H0555855 B2 JPH0555855 B2 JP H0555855B2 JP 58078451 A JP58078451 A JP 58078451A JP 7845183 A JP7845183 A JP 7845183A JP H0555855 B2 JPH0555855 B2 JP H0555855B2
Authority
JP
Japan
Prior art keywords
exposure
voltage
magnification
circuit
exposure lamp
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 - Lifetime
Application number
JP58078451A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59202454A (ja
Inventor
Takeshi Mitsuhayashi
Hidetsugu Ojida
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP7845183A priority Critical patent/JPS59202454A/ja
Publication of JPS59202454A publication Critical patent/JPS59202454A/ja
Publication of JPH0555855B2 publication Critical patent/JPH0555855B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
JP7845183A 1983-05-04 1983-05-04 露光制御装置 Granted JPS59202454A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7845183A JPS59202454A (ja) 1983-05-04 1983-05-04 露光制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7845183A JPS59202454A (ja) 1983-05-04 1983-05-04 露光制御装置

Publications (2)

Publication Number Publication Date
JPS59202454A JPS59202454A (ja) 1984-11-16
JPH0555855B2 true JPH0555855B2 (enrdf_load_stackoverflow) 1993-08-18

Family

ID=13662397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7845183A Granted JPS59202454A (ja) 1983-05-04 1983-05-04 露光制御装置

Country Status (1)

Country Link
JP (1) JPS59202454A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619038A (en) * 1979-07-24 1981-02-23 Ricoh Co Ltd Control system of copy density in copying machine having variable power function

Also Published As

Publication number Publication date
JPS59202454A (ja) 1984-11-16

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