FR887307A - Improvements to flash lamps - Google Patents

Improvements to flash lamps

Info

Publication number
FR887307A
FR887307A FR887307DA FR887307A FR 887307 A FR887307 A FR 887307A FR 887307D A FR887307D A FR 887307DA FR 887307 A FR887307 A FR 887307A
Authority
FR
France
Prior art keywords
flash lamps
lamps
flash
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
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR887307A publication Critical patent/FR887307A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR887307D 1939-09-20 1942-10-28 Improvements to flash lamps Expired FR887307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE887307X 1939-09-20

Publications (1)

Publication Number Publication Date
FR887307A true FR887307A (en) 1943-11-10

Family

ID=6833727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR887307D Expired FR887307A (en) 1939-09-20 1942-10-28 Improvements to flash lamps

Country Status (1)

Country Link
FR (1) FR887307A (en)

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