GB1230173A - - Google Patents

Info

Publication number
GB1230173A
GB1230173A GB1230173DA GB1230173A GB 1230173 A GB1230173 A GB 1230173A GB 1230173D A GB1230173D A GB 1230173DA GB 1230173 A GB1230173 A GB 1230173A
Authority
GB
United Kingdom
Prior art keywords
light
unit
beams
photographic colour
aperture
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
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
Application filed filed Critical
Publication of GB1230173A publication Critical patent/GB1230173A/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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/545—Lamp housings; Illuminating means for enlargers
    • G03B27/547—Lamp housings; Illuminating means for enlargers colour mixing heads

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
GB1230173D 1967-05-08 1968-04-17 Expired GB1230173A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63695267A 1967-05-08 1967-05-08

Publications (1)

Publication Number Publication Date
GB1230173A true GB1230173A (https=) 1971-04-28

Family

ID=24553997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230173D Expired GB1230173A (https=) 1967-05-08 1968-04-17

Country Status (4)

Country Link
US (1) US3488117A (https=)
DE (1) DE1772333A1 (https=)
FR (1) FR1562638A (https=)
GB (1) GB1230173A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246427A (en) * 1990-07-25 1992-01-29 Medical Res Council Apparatus tar and a method of obtaining an opthalmic tint

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684371A (en) * 1970-11-06 1972-08-15 Berkey Photo Inc Light head with interchangeable mixing chambers for high speed enlarger
US3756719A (en) * 1972-04-17 1973-09-04 Eastman Kodak Co High efficiency integrator box
DE2356573C2 (de) * 1973-11-13 1982-04-01 Agfa-Gevaert Ag, 5090 Leverkusen Beleuchtungseinrichtung für ein Negativ in einem fotografischen Kopiergerät
GB1551531A (en) * 1976-01-30 1979-08-30 Uchebno Tech Sredstva Method and apparatus for illumination
US4124292A (en) * 1977-10-06 1978-11-07 Henri Van Wandelen Light source for photographic color printers
US4395108A (en) * 1982-02-12 1983-07-26 Eastman Kodak Company Color balanced scratch suppressing projection apparatus for color transparencies
US4432636A (en) * 1982-02-18 1984-02-21 Berkey Photo, Inc. Illumination apparatus
FR2555328B1 (fr) * 1983-11-17 1986-08-14 Benoit Bullier Appareil de test de lumination des cellules integrees dans des appareils photographiques
US4896187A (en) * 1988-08-19 1990-01-23 Clapp Roy A High-efficiency illuminating system and method for multi-image printers
US4868383A (en) * 1988-09-08 1989-09-19 Eastman Kodak Company Linear integrating cavity light source used for generating an intense beam of light
US5296890A (en) * 1991-09-20 1994-03-22 Clapp Roy A Light source for photographic color printers
US5335158A (en) * 1992-05-21 1994-08-02 Eastman Kodak Company High efficiency linear light source
JP2009092397A (ja) * 2007-10-04 2009-04-30 Nippon Avionics Co Ltd 積分筒および積分筒を用いたライン型照明装置
JP6751214B1 (ja) * 2020-02-12 2020-09-02 デクセリアルズ株式会社 測定装置及び成膜装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077140A (en) * 1960-02-17 1963-02-12 Simmon Brothers Inc Color filter devices for photographic printers and enlargers
US3316804A (en) * 1965-03-15 1967-05-02 Simmon Brothers Inc Illuminating apparatus for photographic printers and enlargers with specular mirrors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246427A (en) * 1990-07-25 1992-01-29 Medical Res Council Apparatus tar and a method of obtaining an opthalmic tint
GB2246427B (en) * 1990-07-25 1994-05-04 Medical Res Council Apparatus for and a method of obtaining an opthalmic tint

Also Published As

Publication number Publication date
US3488117A (en) 1970-01-06
FR1562638A (https=) 1969-04-04
DE1772333A1 (de) 1971-03-04

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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