GB1303511A - - Google Patents

Info

Publication number
GB1303511A
GB1303511A GB359070A GB359070A GB1303511A GB 1303511 A GB1303511 A GB 1303511A GB 359070 A GB359070 A GB 359070A GB 359070 A GB359070 A GB 359070A GB 1303511 A GB1303511 A GB 1303511A
Authority
GB
United Kingdom
Prior art keywords
filter
potentiometer
printing
potentiometers
timer
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
GB359070A
Other languages
English (en)
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 DE19691904253 external-priority patent/DE1904253C3/de
Application filed filed Critical
Publication of GB1303511A publication Critical patent/GB1303511A/en
Expired 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
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Projection-Type Copiers In General (AREA)
GB359070A 1969-01-29 1970-01-26 Expired GB1303511A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691904253 DE1904253C3 (de) 1969-01-29 Vorrichtung zur Steuerung der Belichtung eines Kopiermaterials

Publications (1)

Publication Number Publication Date
GB1303511A true GB1303511A (https=) 1973-01-17

Family

ID=5723646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB359070A Expired GB1303511A (https=) 1969-01-29 1970-01-26

Country Status (4)

Country Link
US (1) US3640619A (https=)
CH (1) CH522896A (https=)
FR (1) FR2029607A1 (https=)
GB (1) GB1303511A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212287A (en) * 1987-12-18 1989-07-19 Brother Ind Ltd Exposure unit in an image recording apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2046887C3 (de) * 1970-09-23 1979-02-22 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zur Steuerung der Belichtung eines Aufnahme- oder Kopiermaterials in zwei Farben
US4057345A (en) * 1976-09-09 1977-11-08 Anamorphic Ltd. Additive lamphouse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241441A (en) * 1959-05-25 1966-03-22 Pako Corp Device and method for controlling exposure in a photographic color printer
DE1497371C3 (de) * 1965-03-10 1974-01-10 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Regelung der Belichtungszeit von Kopiergeräten
DE1572236A1 (de) * 1967-04-26 1970-01-02 Agfa Gevaert Ag Vorrichtung zur Steuerung der Belichtung eines Kopiermaterials

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212287A (en) * 1987-12-18 1989-07-19 Brother Ind Ltd Exposure unit in an image recording apparatus
US4924255A (en) * 1987-12-18 1990-05-08 Brother Kogyo Kabushiki Kaisha Exposure unit in an image recording apparatus
GB2212287B (en) * 1987-12-18 1992-01-15 Brother Ind Ltd Exposure unit in an image recording apparatus

Also Published As

Publication number Publication date
US3640619A (en) 1972-02-08
FR2029607A1 (https=) 1970-10-23
DE1904253A1 (de) 1970-08-06
DE1904253B2 (de) 1977-02-24
CH522896A (de) 1972-05-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees