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FR835414A - Perfectionnements aux lampes-éclair - Google Patents

Perfectionnements aux lampes-éclair

Info

Publication number
FR835414A
FR835414A FR835414DA FR835414A FR 835414 A FR835414 A FR 835414A FR 835414D A FR835414D A FR 835414DA FR 835414 A FR835414 A FR 835414A
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 FR835414A publication Critical patent/FR835414A/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)
FR835414D 1937-03-18 1938-03-18 Perfectionnements aux lampes-éclair Expired FR835414A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US835414XA 1937-03-18 1937-03-18

Publications (1)

Publication Number Publication Date
FR835414A true FR835414A (fr) 1938-12-21

Family

ID=22178993

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835414D Expired FR835414A (fr) 1937-03-18 1938-03-18 Perfectionnements aux lampes-éclair

Country Status (1)

Country Link
FR (1) FR835414A (fr)

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