IT7852411A0 - Apparecchio di copiatura ottica - Google Patents

Apparecchio di copiatura ottica

Info

Publication number
IT7852411A0
IT7852411A0 IT7852411A IT5241178A IT7852411A0 IT 7852411 A0 IT7852411 A0 IT 7852411A0 IT 7852411 A IT7852411 A IT 7852411A IT 5241178 A IT5241178 A IT 5241178A IT 7852411 A0 IT7852411 A0 IT 7852411A0
Authority
IT
Italy
Prior art keywords
copying apparatus
optical copying
optical
copying
Prior art date
Application number
IT7852411A
Other languages
English (en)
Original Assignee
Agfa Gevaert 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 Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Publication of IT7852411A0 publication Critical patent/IT7852411A0/it

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
    • G03B27/62—Holders for the original
    • G03B27/6207—Holders for the original in copying cameras
    • G03B27/6221—Transparent copy platens
    • 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
    • G03G15/0435—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 by introducing an optical element in the optical path, e.g. a filter
IT7852411A 1977-12-23 1978-12-21 Apparecchio di copiatura ottica IT7852411A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2757850A DE2757850C3 (de) 1977-12-23 1977-12-23 Transparente Auflageplatte für ein Original in einem optischen Kopiergerät

Publications (1)

Publication Number Publication Date
IT7852411A0 true IT7852411A0 (it) 1978-12-21

Family

ID=6027175

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7852411A IT7852411A0 (it) 1977-12-23 1978-12-21 Apparecchio di copiatura ottica

Country Status (6)

Country Link
US (1) US4194831A (it)
DE (1) DE2757850C3 (it)
FR (1) FR2412877A1 (it)
GB (1) GB2014322B (it)
HK (1) HK35682A (it)
IT (1) IT7852411A0 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55142365A (en) * 1979-04-24 1980-11-06 Canon Inc Copying apparatus
US4639121A (en) * 1985-06-24 1987-01-27 Xerox Corporation Document registration system
US4728994A (en) * 1986-10-17 1988-03-01 Xerox Corporation Illumination system utilizing a document platen with a diffusely reflecting surface

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6916869U (de) * 1969-04-25 1970-01-15 Agfa Gevaert Ag Kopiergeraet
US3712731A (en) * 1969-12-28 1973-01-23 Ricoh Kk Heat shield device for a reproducing apparatus
US3671121A (en) * 1970-08-05 1972-06-20 Eastman Kodak Co Exposure device for controlling charge on a portion of a charged surface bordering an image frame projected on the charged surface
US3771082A (en) * 1972-01-03 1973-11-06 Xerox Corp Copying apparatus with auxiliary light source for illuminating an original to be reproduced
JPS5232198Y2 (it) * 1972-12-27 1977-07-22
US3998541A (en) * 1975-04-18 1976-12-21 Eastman Kodak Company Illumination arrangement providing for interframe flashdown
NL7510270A (nl) * 1975-09-01 1977-03-03 Oce Van Der Grinten Nv Methode en middelen voor het vermijden van rand- schaduweffekten bij episkopische belichting van een origineel.
US4118119A (en) * 1976-09-02 1978-10-03 Xerox Corporation Facetted edge fadeout reflector

Also Published As

Publication number Publication date
DE2757850A1 (de) 1979-06-28
GB2014322B (en) 1982-04-15
FR2412877A1 (fr) 1979-07-20
GB2014322A (en) 1979-08-22
DE2757850C3 (de) 1981-01-29
US4194831A (en) 1980-03-25
FR2412877B1 (it) 1982-02-26
DE2757850B2 (de) 1980-05-22
HK35682A (en) 1982-08-20

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