DE3025468C2 - - Google Patents

Info

Publication number
DE3025468C2
DE3025468C2 DE19803025468 DE3025468A DE3025468C2 DE 3025468 C2 DE3025468 C2 DE 3025468C2 DE 19803025468 DE19803025468 DE 19803025468 DE 3025468 A DE3025468 A DE 3025468A DE 3025468 C2 DE3025468 C2 DE 3025468C2
Authority
DE
Germany
Prior art keywords
lens group
speed
lens
scanning system
optical axis
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
Application number
DE19803025468
Other languages
German (de)
English (en)
Other versions
DE3025468A1 (de
Inventor
Kazuo Yokohama Kanagawa Jp Minoura
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP8517679A external-priority patent/JPS569762A/ja
Priority claimed from JP8557780A external-priority patent/JPS5711333A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE3025468A1 publication Critical patent/DE3025468A1/de
Application granted granted Critical
Publication of DE3025468C2 publication Critical patent/DE3025468C2/de
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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/0005—Optical objectives specially designed for the purposes specified below having F-Theta characteristic
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
DE19803025468 1979-07-05 1980-07-04 Optisches schlitzabtastsystem Granted DE3025468A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8517679A JPS569762A (en) 1979-07-05 1979-07-05 Slit scanning optical system
JP8557780A JPS5711333A (en) 1980-06-24 1980-06-24 Slit scanning optical system with variable magnification function

Publications (2)

Publication Number Publication Date
DE3025468A1 DE3025468A1 (de) 1981-01-15
DE3025468C2 true DE3025468C2 (enrdf_load_stackoverflow) 1988-10-06

Family

ID=26426198

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803025468 Granted DE3025468A1 (de) 1979-07-05 1980-07-04 Optisches schlitzabtastsystem

Country Status (1)

Country Link
DE (1) DE3025468A1 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3062108A (en) * 1955-02-07 1962-11-06 Xerox Corp Electrophotographic copying apparatus
US3897148A (en) * 1973-11-29 1975-07-29 Ibm Optical scanning system

Also Published As

Publication number Publication date
DE3025468A1 (de) 1981-01-15

Similar Documents

Publication Publication Date Title
DE2262432A1 (de) Verfahren und vorrichtung zum uebertragen von bildern
DE2520810B2 (de) Einrichtung zum Anlegen einer Vorspannung an eine Entwicklungselektrode einer elektrophotographischen Kopiervorrichtung
DE2441996A1 (de) Optisches kopiergeraet
DE2522264A1 (de) Kopiergeraet
DE4434081A1 (de) Farbbilderzeugungsvorrichtung
DE2813763C2 (enrdf_load_stackoverflow)
DE3336070C2 (de) Vario-Projektionsvorrichtung zur streifenweisen Abbildung einer Vorlage
DE69026199T2 (de) Bilderzeugungsgerät
DE69714804T2 (de) Korrekte Bürstenvorspannung für Doppelbürstenreiniger für triboelektrisch-negativen Toner
DE68915017T2 (de) Kopiergerät für dreidimensionales Linsenrasterkopiermaterial.
DE69015107T2 (de) Farbbilderzeugungsgerät.
DE69210751T2 (de) Aufzeichnungsgerät
DE2013894C2 (de) Optisches Abbildungssystem für ein Projektionskopiergerät
DE3115099C2 (de) Elektrofotografisches Kopiergerät
DE3141187A1 (de) Optischer kopierer mit variabler abbildung
DE3140841C2 (enrdf_load_stackoverflow)
DE3025468C2 (enrdf_load_stackoverflow)
DE2844166C2 (enrdf_load_stackoverflow)
DE2527381C3 (de) Kopiergerät
DE3211905C2 (de) Verfahren zur Erzeugung von Farbkopien sowie Gerät zur Durchführung des Verfahrens
DE2630570C3 (de) Abbildungsverfahren
DE3705510A1 (de) Verfahren zum erzeugen von konturbildern entsprechend den umfangskonturen von originalbildern
DE3026380C2 (enrdf_load_stackoverflow)
DE3206948C2 (de) Fotokopiergerät zur Erzeugung von Mehrfach-Farbkopien
DE2163608C3 (de) Verfahren zur Erzeugung eines Tonerbildes auf den beiden Seiten eines blattförmigen Bildempfangsmaterials und Vorrichtung zur Durchführung dieses Verfahrens

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition