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Schmidt & Co GmbH
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Schmidt & Co GmbH
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Publication date
Application filed by Schmidt & Co GmbHfiledCriticalSchmidt & Co GmbH
Application grantedgrantedCritical
Publication of FR694273ApublicationCriticalpatent/FR694273A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
F21V14/025—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources in portable lighting devices
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR694273D1930-04-221930-04-22Lampe électrique à réflecteur avec lampe à incandescence à position réglable dans la direction de l'axe du réflecteur
ExpiredFR694273A
(fr)