FR863901A - Improvements to portable electric lights - Google Patents

Improvements to portable electric lights

Info

Publication number
FR863901A
FR863901A FR863901DA FR863901A FR 863901 A FR863901 A FR 863901A FR 863901D A FR863901D A FR 863901DA FR 863901 A FR863901 A FR 863901A
Authority
FR
France
Prior art keywords
portable electric
electric lights
lights
portable
electric
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
Klop
Veillet
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 FR863901A publication Critical patent/FR863901A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0492—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting a change in orientation, a movement or an acceleration of the lighting device, e.g. a tilt switch

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR863901D 1939-10-27 1939-10-27 Improvements to portable electric lights Expired FR863901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863901T 1939-10-27

Publications (1)

Publication Number Publication Date
FR863901A true FR863901A (en) 1941-04-12

Family

ID=9343517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863901D Expired FR863901A (en) 1939-10-27 1939-10-27 Improvements to portable electric lights

Country Status (1)

Country Link
FR (1) FR863901A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017839A1 (en) * 1990-06-02 1991-12-05 Zumtobel Ag Tilt switch for standard lamps - has light in lamp disconnected from current circuit when lamp tilts or falls over
DE19522112A1 (en) * 1995-06-19 1997-01-02 Rixen & Kaul Gmbh Portable light or lamp esp portable emergency lamp e.g. for hotels

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017839A1 (en) * 1990-06-02 1991-12-05 Zumtobel Ag Tilt switch for standard lamps - has light in lamp disconnected from current circuit when lamp tilts or falls over
DE19522112A1 (en) * 1995-06-19 1997-01-02 Rixen & Kaul Gmbh Portable light or lamp esp portable emergency lamp e.g. for hotels

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