DE3025468A1 - Optisches schlitzabtastsystem - Google Patents

Optisches schlitzabtastsystem

Info

Publication number
DE3025468A1
DE3025468A1 DE19803025468 DE3025468A DE3025468A1 DE 3025468 A1 DE3025468 A1 DE 3025468A1 DE 19803025468 DE19803025468 DE 19803025468 DE 3025468 A DE3025468 A DE 3025468A DE 3025468 A1 DE3025468 A1 DE 3025468A1
Authority
DE
Germany
Prior art keywords
optical
lens system
speed
movement
imaging
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
DE19803025468
Other languages
German (de)
English (en)
Other versions
DE3025468C2 (enrdf_load_stackoverflow
Inventor
Kazuo 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 true DE3025468A1 (de) 1981-01-15
DE3025468C2 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)

Citations (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
DE2456283A1 (de) * 1973-11-29 1975-06-12 Ibm Optische beleuchtungs- und abtasteinrichtung, insbesondere fuer eine mit verschiedenen vergroesserungsfaktoren betreibbare elektrophotographische kopiermaschine

Patent Citations (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
DE2456283A1 (de) * 1973-11-29 1975-06-12 Ibm Optische beleuchtungs- und abtasteinrichtung, insbesondere fuer eine mit verschiedenen vergroesserungsfaktoren betreibbare elektrophotographische kopiermaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
In Betracht gezogene ältere Anmeldung: DE-OS 29 17 283 *

Also Published As

Publication number Publication date
DE3025468C2 (enrdf_load_stackoverflow) 1988-10-06

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Legal Events

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