FR871543A - Improvements to flash or flash lamps - Google Patents

Improvements to flash or flash lamps

Info

Publication number
FR871543A
FR871543A FR871543DA FR871543A FR 871543 A FR871543 A FR 871543A FR 871543D A FR871543D A FR 871543DA FR 871543 A FR871543 A FR 871543A
Authority
FR
France
Prior art keywords
flash
lamps
flash lamps
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 FR871543A publication Critical patent/FR871543A/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)
FR871543D 1939-12-16 1941-04-16 Improvements to flash or flash lamps Expired FR871543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL871543X 1939-12-16

Publications (1)

Publication Number Publication Date
FR871543A true FR871543A (en) 1942-04-29

Family

ID=19851228

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871543D Expired FR871543A (en) 1939-12-16 1941-04-16 Improvements to flash or flash lamps

Country Status (1)

Country Link
FR (1) FR871543A (en)

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