FR2297443A1 - Machine de reproduction electrophotographique - Google Patents

Machine de reproduction electrophotographique

Info

Publication number
FR2297443A1
FR2297443A1 FR7600627A FR7600627A FR2297443A1 FR 2297443 A1 FR2297443 A1 FR 2297443A1 FR 7600627 A FR7600627 A FR 7600627A FR 7600627 A FR7600627 A FR 7600627A FR 2297443 A1 FR2297443 A1 FR 2297443A1
Authority
FR
France
Prior art keywords
slit
control device
light
deive
tapered shape
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
FR7600627A
Other languages
English (en)
Other versions
FR2297443B1 (fr
Inventor
Masamichi Hayashi
Masami Nakane
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Publication of FR2297443A1 publication Critical patent/FR2297443A1/fr
Application granted granted Critical
Publication of FR2297443B1 publication Critical patent/FR2297443B1/fr
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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/528—Projection optics for slit exposure in which the projection optics remain stationary

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
FR7600627A 1975-01-13 1976-01-12 Machine de reproduction electrophotographique Granted FR2297443A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP684175A JPS5181125A (ja) 1975-01-13 1975-01-13 Denshishashinfukushakiniokeru suritsutorokochosetsusochi

Publications (2)

Publication Number Publication Date
FR2297443A1 true FR2297443A1 (fr) 1976-08-06
FR2297443B1 FR2297443B1 (fr) 1981-08-07

Family

ID=11649456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7600627A Granted FR2297443A1 (fr) 1975-01-13 1976-01-12 Machine de reproduction electrophotographique

Country Status (3)

Country Link
JP (1) JPS5181125A (fr)
DE (1) DE2600934B2 (fr)
FR (1) FR2297443A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5268411A (en) * 1975-12-04 1977-06-07 Jiyuntarou Suzuki Method of improving uniform exposure and image quality in scan copying machine
JPS5841497B2 (ja) * 1976-05-31 1983-09-12 ミノルタ株式会社 スリット露光型複写機における露光量調整装置
JPS56114958A (en) * 1980-02-15 1981-09-09 Ricoh Co Ltd Lighting device in copying machine
JPS56123586A (en) * 1980-03-04 1981-09-28 Matsushita Electric Ind Co Ltd De-electricity device for electrophotographic copying machine
DE3414278C2 (de) * 1984-04-14 1986-03-06 Agfa-Gevaert Ag, 5090 Leverkusen Blendensteuervorrichtung für eine Spaltblende eines Mikrofilm-Lese- und -Rückvergrößerungsgerätes
JP2663272B2 (ja) * 1988-02-19 1997-10-15 キヤノン株式会社 画像露光装置
DE3938355A1 (de) * 1988-11-17 1990-05-23 Asahi Optical Co Ltd Belichtungseinrichtung
JP2753012B2 (ja) * 1989-01-20 1998-05-18 株式会社東芝 電子写真複写装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076392A (en) * 1959-08-31 1963-02-05 Xerox Corp Xerographic reproducing apparatus
GB1079231A (en) * 1963-10-14 1967-08-16 Hall Harding Ltd Improvements in or relating to photographic reproducing apparatus
DE1797441A1 (de) * 1968-02-15 1970-12-17 Minolta Camera Kk Roehrenfoermige Lichtquelle fuer ein Durchlauf-Kopiergeraet
US3700325A (en) * 1970-03-26 1972-10-24 David C Harper Scanning optical system for photocopying apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4972251U (fr) * 1972-10-05 1974-06-22

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076392A (en) * 1959-08-31 1963-02-05 Xerox Corp Xerographic reproducing apparatus
GB1079231A (en) * 1963-10-14 1967-08-16 Hall Harding Ltd Improvements in or relating to photographic reproducing apparatus
DE1797441A1 (de) * 1968-02-15 1970-12-17 Minolta Camera Kk Roehrenfoermige Lichtquelle fuer ein Durchlauf-Kopiergeraet
US3700325A (en) * 1970-03-26 1972-10-24 David C Harper Scanning optical system for photocopying apparatus

Also Published As

Publication number Publication date
JPS5181125A (ja) 1976-07-15
FR2297443B1 (fr) 1981-08-07
DE2600934A1 (de) 1976-07-15
JPS5421253B2 (fr) 1979-07-28
DE2600934B2 (de) 1980-04-24

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Legal Events

Date Code Title Description
ST Notification of lapse