GB742679A - Improvements in or relating to protective screens for photographic flash-lamp apparatus - Google Patents

Improvements in or relating to protective screens for photographic flash-lamp apparatus

Info

Publication number
GB742679A
GB742679A GB1753453A GB1753453A GB742679A GB 742679 A GB742679 A GB 742679A GB 1753453 A GB1753453 A GB 1753453A GB 1753453 A GB1753453 A GB 1753453A GB 742679 A GB742679 A GB 742679A
Authority
GB
United Kingdom
Prior art keywords
screen
photographic flash
lamp apparatus
relating
springs
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
GB1753453A
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.)
JOHN NEVILLE BROWN
Original Assignee
JOHN NEVILLE BROWN
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 JOHN NEVILLE BROWN filed Critical JOHN NEVILLE BROWN
Priority to GB1753453A priority Critical patent/GB742679A/en
Publication of GB742679A publication Critical patent/GB742679A/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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0442—Constructional details of the flash apparatus; Arrangement of lamps, reflectors, or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

742,679. Photographic flash lamps. BROWN, J. N. May 13, 1954 [June 24,1953], No. 17534/53. Class 9(2) A photographic flash lamp apparatus is provided with a protective screen 6 attached to the reflector 5 by equispaced tension springs 7 extensible in the plane of the screen. Lugs integral with the screen project within the springs. The screen may be of embossed transparent plastic material or may be opaque, or can be of wire mesh. The shape may vary and slots or holes may be provided in the screen. Instead of springs, elastic rubber members may be used to secure the screen.
GB1753453A 1953-06-24 1953-06-24 Improvements in or relating to protective screens for photographic flash-lamp apparatus Expired GB742679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1753453A GB742679A (en) 1953-06-24 1953-06-24 Improvements in or relating to protective screens for photographic flash-lamp apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1753453A GB742679A (en) 1953-06-24 1953-06-24 Improvements in or relating to protective screens for photographic flash-lamp apparatus

Publications (1)

Publication Number Publication Date
GB742679A true GB742679A (en) 1955-12-30

Family

ID=10096861

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1753453A Expired GB742679A (en) 1953-06-24 1953-06-24 Improvements in or relating to protective screens for photographic flash-lamp apparatus

Country Status (1)

Country Link
GB (1) GB742679A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879377A (en) * 1955-09-26 1959-03-24 Oral W Layng Camera flash bulb shield and light control unit
US2979601A (en) * 1957-11-20 1961-04-11 John V Mcclees Photographic flash attachment
US4085316A (en) * 1975-12-17 1978-04-18 Rollei Of America, Inc. Photographic flash device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2879377A (en) * 1955-09-26 1959-03-24 Oral W Layng Camera flash bulb shield and light control unit
US2979601A (en) * 1957-11-20 1961-04-11 John V Mcclees Photographic flash attachment
US4085316A (en) * 1975-12-17 1978-04-18 Rollei Of America, Inc. Photographic flash device

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