Touch controlled electric light socket with high current toleran

Details Touch controlled electric light socket with high current toleran Touch controlled electric light socket with high current toleran

1991-06-24

1993-05-04

Dzierzynski, Paul M.

Electric lamp and discharge devices: systems

Electric switch in the supply circuit

315194, 323904, 323905, 323324, 307116, 307157, H05B 3707

Patent

active

052085163

ABSTRACT:
A light socket for engaging and energizing a light bulb is adapted for attachment to a lamp base or other light fixture and has an internal chamber in which a touch responsive control circuit is disposed. The circuit has a solid state switch element which transmits voltage to the bulb in response to a change of capacitance at an input terminal and which preferably progressively changes light output in response to successive changes of capacitance. Heat damage to the solid state switch element is avoided, enabling use of higher wattage light bulbs, by a heat sink member which extends from the switch element to a location at which it contacts the lamp or other light fixture. In the preferred form, the heat sink is electrically connected to the control circuit input terminal and, in conjunction with metallic portions of the lamp or other light fixture, further functions as a component of the touch sensing system.

REFERENCES:
patent: 3300711 (1967-01-01), Duncan
patent: 3452214 (1969-06-01), Martin
patent: 3496451 (1970-02-01), Duncan
patent: 3666988 (1972-05-01), Bellis
patent: 3715623 (1973-02-01), Szabo
patent: 4101805 (1978-07-01), Stone
patent: 4152629 (1979-05-01), Raupp
patent: 4163923 (1979-08-01), Herbers et al.
patent: 4211959 (1980-07-01), Deavenport et al.
patent: 4289972 (1981-09-01), Wern
patent: 4764708 (1988-08-01), Roudeski
patent: 4816698 (1989-03-01), Hook

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