GB1251765A - - Google Patents

Info

Publication number
GB1251765A
GB1251765A GB1251765DA GB1251765A GB 1251765 A GB1251765 A GB 1251765A GB 1251765D A GB1251765D A GB 1251765DA GB 1251765 A GB1251765 A GB 1251765A
Authority
GB
United Kingdom
Prior art keywords
lamps
edges
carrier
april
arc
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 GB1251765A publication Critical patent/GB1251765A/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
    • G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB1251765D 1969-04-30 1970-04-27 Expired GB1251765A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691922188 DE1922188B1 (de) 1969-04-30 1969-04-30 Wiedergabekamera

Publications (1)

Publication Number Publication Date
GB1251765A true GB1251765A (enExample) 1971-10-27

Family

ID=5732950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251765D Expired GB1251765A (enExample) 1969-04-30 1970-04-27

Country Status (6)

Country Link
US (1) US3689152A (enExample)
JP (1) JPS493927B1 (enExample)
CH (1) CH505399A (enExample)
DE (1) DE1922188B1 (enExample)
FR (1) FR2040500A1 (enExample)
GB (1) GB1251765A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50112522U (enExample) * 1974-02-23 1975-09-13
JP3593119B2 (ja) * 2002-08-01 2004-11-24 株式会社東芝 照明装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US606593A (en) * 1898-06-28 Of pro
AT84972B (de) * 1919-12-09 1921-08-10 Leon Dr Kolb Beleuchtungsvorrichtung für photographische Reproduktions-, Vergrößerungs- und Verkleinerungszwecke.
US1517742A (en) * 1923-07-05 1924-12-02 John C Martin Combined photographic enlarging lantern and printing machine
US1748523A (en) * 1927-02-14 1930-02-25 Smith Cyrus Ferris Photograph-enlarging apparatus
US2490370A (en) * 1946-09-12 1949-12-06 Testrite Instr Co Inc Means for transmitting and radiating light rays emitted from a source of light
DE806632C (de) * 1949-06-30 1951-06-14 Walter Eisbein Dr Ing Bildauflage- oder Zwischenscheibe fuer Kopiergeraete, insbesondere fuer Photokopiergeraete, und Verfahren zu deren Herstellung
DE862402C (de) * 1950-09-02 1953-01-12 Richard Dr-Ing Zechnall Flaechenleuchte fuer Reproduktionskameras
US2763772A (en) * 1952-08-25 1956-09-18 Sheldon H Hine Photographic illuminating device
US3288023A (en) * 1964-04-27 1966-11-29 Lane Kingdon Slide copying apparatus
US3476927A (en) * 1967-01-09 1969-11-04 Matthew J Rothman Portable illuminated mirror
US3498714A (en) * 1967-06-07 1970-03-03 Dennison Mfg Co Gas discharge lamp
DE1933439A1 (de) * 1968-07-01 1970-01-15 Gen Electric Nitrierverfahren

Also Published As

Publication number Publication date
US3689152A (en) 1972-09-05
DE1922188B1 (de) 1970-12-23
FR2040500A1 (enExample) 1971-01-22
CH505399A (de) 1971-03-31
JPS493927B1 (enExample) 1974-01-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee