Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Plural load device systems
Patent
1979-02-12
1981-02-24
Smith, Alfred E.
Electric lamp and discharge devices: systems
Periodic switch in the supply circuit
Plural load device systems
315209R, 315297, 315313, H05B 3702, H05B 3904, H05B 4136
Patent
active
042530458
ABSTRACT:
An electric light controller which serves to connect and disconnect an electric lamp element load from a power source in such rapid-fire pseudorandom seuentiality that the electric lamp appears to the eye as an illusion simulating the fluctuant brightness variations inherent in a flickering flame produced light. The result is an improved specious effect for decorative items such as electric lanterns used for outdoor lighting, simulated burning fireplace log arrangements, decorative chandeliers, holiday lighting equipment such as Christmas tree lights, and other such devices. Further enhancement of realism of the produced effect is provided for "open fire" decorative apparatus, such as electric fireplace log arrangements, through the optional inclusion of a popping acoustical sound translator, excited by a pseudorandom audio signal, which serves to simulate the crackling sound made by a burning material.
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O'Hare Thomas P.
Smith Alfred E.
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