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Compagnie Francaise Thomson Houston SA
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Compagnie Francaise Thomson Houston SA
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Application filed by Compagnie Francaise Thomson Houston SAfiledCriticalCompagnie Francaise Thomson Houston SA
Application grantedgrantedCritical
Publication of FR821478ApublicationCriticalpatent/FR821478A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
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Engineering & Computer Science
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General Engineering & Computer Science
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Physics & Mathematics
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Electromagnetism
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Computer Networks & Wireless Communication
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Signal Processing
(AREA)
FR821478D1936-05-051937-05-05Perfectionnements aux systèmes de signalisation optique
ExpiredFR821478A
(fr)