FR870556A - Perfectionnements aux lampes éclair - Google Patents

Perfectionnements aux lampes éclair

Info

Publication number
FR870556A
FR870556A FR870556DA FR870556A FR 870556 A FR870556 A FR 870556A FR 870556D A FR870556D A FR 870556DA FR 870556 A FR870556 A FR 870556A
Authority
FR
France
Prior art keywords
flashlight
flashlight improvements
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
English (en)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR870556A publication Critical patent/FR870556A/fr
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)
FR870556D 1940-03-06 1941-03-05 Perfectionnements aux lampes éclair Expired FR870556A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US870556XA 1940-03-06 1940-03-06

Publications (1)

Publication Number Publication Date
FR870556A true FR870556A (fr) 1942-03-16

Family

ID=22202849

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870556D Expired FR870556A (fr) 1940-03-06 1941-03-05 Perfectionnements aux lampes éclair

Country Status (1)

Country Link
FR (1) FR870556A (fr)

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