FR2251851A1 - - Google Patents

Info

Publication number
FR2251851A1
FR2251851A1 FR7437637A FR7437637A FR2251851A1 FR 2251851 A1 FR2251851 A1 FR 2251851A1 FR 7437637 A FR7437637 A FR 7437637A FR 7437637 A FR7437637 A FR 7437637A FR 2251851 A1 FR2251851 A1 FR 2251851A1
Authority
FR
France
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
FR7437637A
Other languages
French (fr)
Other versions
FR2251851B1 (ja
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of FR2251851A1 publication Critical patent/FR2251851A1/fr
Application granted granted Critical
Publication of FR2251851B1 publication Critical patent/FR2251851B1/fr
Expired 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
    • G03G15/0409—Details of projection optics
    • 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
    • G03B27/526—Projection optics for slit exposure in which the projection optics move

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
FR7437637A 1973-11-19 1974-11-15 Expired FR2251851B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2357582A DE2357582C2 (de) 1973-11-19 1973-11-19 Elektrofotografisches Kopiergerät mit einem auf einem Wagen hin- und herbewegbaren optischen Abtastsystem

Publications (2)

Publication Number Publication Date
FR2251851A1 true FR2251851A1 (ja) 1975-06-13
FR2251851B1 FR2251851B1 (ja) 1977-10-28

Family

ID=5898454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7437637A Expired FR2251851B1 (ja) 1973-11-19 1974-11-15

Country Status (6)

Country Link
US (1) US3920326A (ja)
JP (1) JPS5710425B2 (ja)
DE (1) DE2357582C2 (ja)
FR (1) FR2251851B1 (ja)
GB (1) GB1482478A (ja)
NL (1) NL7414603A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324830A (en) * 1976-08-18 1978-03-08 Daito Kk Device for deleting scattering of projected light and condensing light for slit exposure copying machine
JPS5392128A (en) * 1977-01-25 1978-08-12 Ricoh Co Ltd Illuminator for copying machine
US4355883A (en) * 1979-10-15 1982-10-26 Savin Corporation Photocopier scanning apparatus
EP0095221B1 (en) * 1982-05-26 1986-07-30 Agfa-Gevaert N.V. Apparatus for transferring xerographic images

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3062095A (en) * 1959-07-02 1962-11-06 Xerox Corp Projector optical scanning system
US3554640A (en) * 1968-11-25 1971-01-12 Ibm Drive coupling system
US3642366A (en) * 1968-12-28 1972-02-15 Canon Kk Copying machine

Also Published As

Publication number Publication date
DE2357582C2 (de) 1982-08-19
NL7414603A (nl) 1975-05-21
US3920326A (en) 1975-11-18
JPS5081550A (ja) 1975-07-02
FR2251851B1 (ja) 1977-10-28
GB1482478A (en) 1977-08-10
JPS5710425B2 (ja) 1982-02-26
DE2357582A1 (de) 1975-05-28
AU7521674A (en) 1976-05-13

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Legal Events

Date Code Title Description
ST Notification of lapse