FR765110A - Device for producing lightning flashes for photography - Google Patents

Device for producing lightning flashes for photography

Info

Publication number
FR765110A
FR765110A FR765110DA FR765110A FR 765110 A FR765110 A FR 765110A FR 765110D A FR765110D A FR 765110DA FR 765110 A FR765110 A FR 765110A
Authority
FR
France
Prior art keywords
photography
lightning flashes
producing lightning
producing
flashes
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)
Inventor
John Francis Crowley
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 filed Critical
Application granted granted Critical
Publication of FR765110A publication Critical patent/FR765110A/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
    • F21K5/023—Ignition devices in photo flash bulbs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR765110D 1933-12-07 1933-12-07 Device for producing lightning flashes for photography Expired FR765110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR765110T 1933-12-07

Publications (1)

Publication Number Publication Date
FR765110A true FR765110A (en) 1934-06-02

Family

ID=9182533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR765110D Expired FR765110A (en) 1933-12-07 1933-12-07 Device for producing lightning flashes for photography

Country Status (1)

Country Link
FR (1) FR765110A (en)

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