JPH028300B2 - - Google Patents

Info

Publication number
JPH028300B2
JPH028300B2 JP55016150A JP1615080A JPH028300B2 JP H028300 B2 JPH028300 B2 JP H028300B2 JP 55016150 A JP55016150 A JP 55016150A JP 1615080 A JP1615080 A JP 1615080A JP H028300 B2 JPH028300 B2 JP H028300B2
Authority
JP
Japan
Prior art keywords
voltage
circuit
exposure lamp
exposure
changes
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
JP55016150A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56113149A (en
Inventor
Masami Itsukida
Yasuhisa Akyama
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 JP1615080A priority Critical patent/JPS56113149A/ja
Publication of JPS56113149A publication Critical patent/JPS56113149A/ja
Publication of JPH028300B2 publication Critical patent/JPH028300B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holders For Sensitive Materials And Originals (AREA)
  • Developing For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP1615080A 1980-02-13 1980-02-13 Copying density change-over device Granted JPS56113149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1615080A JPS56113149A (en) 1980-02-13 1980-02-13 Copying density change-over device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1615080A JPS56113149A (en) 1980-02-13 1980-02-13 Copying density change-over device

Publications (2)

Publication Number Publication Date
JPS56113149A JPS56113149A (en) 1981-09-05
JPH028300B2 true JPH028300B2 (de) 1990-02-23

Family

ID=11908469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1615080A Granted JPS56113149A (en) 1980-02-13 1980-02-13 Copying density change-over device

Country Status (1)

Country Link
JP (1) JPS56113149A (de)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS519460A (de) * 1974-07-12 1976-01-26 Ricoh Kk
JPS5198033A (de) * 1975-02-24 1976-08-28
JPS51113736A (en) * 1975-03-31 1976-10-07 Iwatsu Electric Co Ltd Automatic light exposure phase controller
JPS51115830A (en) * 1975-04-03 1976-10-12 Ricoh Co Ltd Bias system electronic photograph developing method
JPS51117036A (en) * 1975-04-04 1976-10-14 Ricoh Co Ltd Cell-photo bias development method
JPS52138133A (en) * 1976-05-14 1977-11-18 Canon Inc Electrophotography
JPS5346098A (en) * 1976-10-08 1978-04-25 Fujitsu Ltd Ballot issiomg sustem
JPS5363020A (en) * 1976-11-18 1978-06-06 Ricoh Co Ltd Image control method
JPS5393029A (en) * 1977-01-27 1978-08-15 Ricoh Co Ltd Copying process control method of electrophotographic copying machine
JPS53115233A (en) * 1977-03-18 1978-10-07 Ricoh Co Ltd Control for electrophotogtaphic copier
JPS54137340A (en) * 1978-04-18 1979-10-25 Ricoh Co Ltd Characteristic deterioration compensating control device for photosensitive element of copier
JPS557709A (en) * 1978-06-30 1980-01-19 Canon Inc Exposure control unit of copying machine

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS519460A (de) * 1974-07-12 1976-01-26 Ricoh Kk
JPS5198033A (de) * 1975-02-24 1976-08-28
JPS51113736A (en) * 1975-03-31 1976-10-07 Iwatsu Electric Co Ltd Automatic light exposure phase controller
JPS51115830A (en) * 1975-04-03 1976-10-12 Ricoh Co Ltd Bias system electronic photograph developing method
JPS51117036A (en) * 1975-04-04 1976-10-14 Ricoh Co Ltd Cell-photo bias development method
JPS52138133A (en) * 1976-05-14 1977-11-18 Canon Inc Electrophotography
JPS5346098A (en) * 1976-10-08 1978-04-25 Fujitsu Ltd Ballot issiomg sustem
JPS5363020A (en) * 1976-11-18 1978-06-06 Ricoh Co Ltd Image control method
JPS5393029A (en) * 1977-01-27 1978-08-15 Ricoh Co Ltd Copying process control method of electrophotographic copying machine
JPS53115233A (en) * 1977-03-18 1978-10-07 Ricoh Co Ltd Control for electrophotogtaphic copier
JPS54137340A (en) * 1978-04-18 1979-10-25 Ricoh Co Ltd Characteristic deterioration compensating control device for photosensitive element of copier
JPS557709A (en) * 1978-06-30 1980-01-19 Canon Inc Exposure control unit of copying machine

Also Published As

Publication number Publication date
JPS56113149A (en) 1981-09-05

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