CA960477A - Photoflash lamp - Google Patents

Photoflash lamp

Info

Publication number
CA960477A
CA960477A CA150,518A CA150518A CA960477A CA 960477 A CA960477 A CA 960477A CA 150518 A CA150518 A CA 150518A CA 960477 A CA960477 A CA 960477A
Authority
CA
Canada
Prior art keywords
photoflash lamp
photoflash
lamp
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
CA150,518A
Other versions
CA150518S (en
Inventor
Louis A. Demchock (Jr.)
Gerald F. Greaney
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA960477A publication Critical patent/CA960477A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
    • F21K5/023—Ignition devices in photo flash bulbs
    • F21K5/026—Ignition devices in photo flash bulbs using mechanical firing, e.g. percussion of a fulminating charge
    • 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
    • G03B15/0478—Combinations of photographic apparatus with percussion type flash ignition systems
    • G03B15/0484—Constructional details of the flash apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
CA150,518A 1971-09-20 1972-08-30 Photoflash lamp Expired CA960477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18172171A 1971-09-20 1971-09-20

Publications (1)

Publication Number Publication Date
CA960477A true CA960477A (en) 1975-01-07

Family

ID=22665506

Family Applications (1)

Application Number Title Priority Date Filing Date
CA150,518A Expired CA960477A (en) 1971-09-20 1972-08-30 Photoflash lamp

Country Status (5)

Country Link
US (1) US3717432A (en)
JP (1) JPS4839027A (en)
BE (1) BE783826A (en)
CA (1) CA960477A (en)
GB (1) GB1388186A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078881A (en) * 1976-12-16 1978-03-14 General Electric Company Photoflash lamp
US4445847A (en) * 1982-05-26 1984-05-01 Gte Products Corporation Photoflash lamp
US5993201A (en) * 1997-09-29 1999-11-30 Eastman Kodak Company Enclosed frictionally ignited photographic flash lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535064A (en) * 1968-09-06 1970-10-20 Sylvania Electric Prod Photoflash lamp

Also Published As

Publication number Publication date
GB1388186A (en) 1975-03-26
JPS4839027A (en) 1973-06-08
US3717432A (en) 1973-02-20
DE2222788B2 (en) 1975-10-09
BE783826A (en) 1972-11-23
DE2222788A1 (en) 1973-03-29

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