CA975572A - Photoflash lamp - Google Patents

Photoflash lamp

Info

Publication number
CA975572A
CA975572A CA150,900A CA150900A CA975572A CA 975572 A CA975572 A CA 975572A CA 150900 A CA150900 A CA 150900A CA 975572 A CA975572 A CA 975572A
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
CA150,900A
Other languages
English (en)
Other versions
CA150900S (en
Inventor
David R. Broadt
Donald E. Armstrong
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Application granted granted Critical
Publication of CA975572A publication Critical patent/CA975572A/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
    • G03B15/0478—Combinations of photographic apparatus with percussion type flash ignition systems
    • G03B15/0484—Constructional details of the flash apparatus
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Luminescent Compositions (AREA)
CA150,900A 1971-09-09 1972-09-05 Photoflash lamp Expired CA975572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US179056A US3895902A (en) 1971-09-09 1971-09-09 Photoflash lamp

Publications (1)

Publication Number Publication Date
CA975572A true CA975572A (en) 1975-10-07

Family

ID=22655050

Family Applications (1)

Application Number Title Priority Date Filing Date
CA150,900A Expired CA975572A (en) 1971-09-09 1972-09-05 Photoflash lamp

Country Status (8)

Country Link
US (1) US3895902A (ja)
JP (1) JPS5441204B2 (ja)
AU (1) AU4649072A (ja)
BE (1) BE788531A (ja)
CA (1) CA975572A (ja)
DE (1) DE2244182A1 (ja)
GB (1) GB1401314A (ja)
ZA (1) ZA726043B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217089A (en) * 1975-02-03 1980-08-12 Gte Products Corporation Photoflash lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857752A (en) * 1954-04-07 1958-10-28 Gen Electric Flash lamp
US2982119A (en) * 1959-04-27 1961-05-02 Gen Electric Flash lamp
DE1189852B (de) * 1962-02-09 1965-03-25 Patra Patent Treuhand Elektrische Blitzlichtlampen und Verfahren zu ihrer Herstellung

Also Published As

Publication number Publication date
US3895902A (en) 1975-07-22
BE788531A (fr) 1973-03-08
GB1401314A (en) 1975-07-16
AU4649072A (en) 1974-03-14
ZA726043B (en) 1973-07-25
DE2244182A1 (de) 1973-03-15
JPS4857625A (ja) 1973-08-13
JPS5441204B2 (ja) 1979-12-07

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