Heat-sensitive variable-resistance light socket insert

Details Heat-sensitive variable-resistance light socket insert Heat-sensitive variable-resistance light socket insert

1983-03-30

1985-04-02

Dixon, Harold

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Flashers

315 71, 315205, 315309, 338219, H05B 3700

Patent

active

045089949

ABSTRACT:
A heat-sensitive variable-resistance insert device for use with a light bulb and socket including: a thin, heat-sensitive variable-resistance wafer and a perimetrical insulation member surrounding the edge of the wafer and electrically insulating it from the wall of the socket. The wafer has a contact area on one side for engaging the central contact of the socket and on the other side thereof for engaging the central contact of the light bulb, and an adhesive paste on that other side within the perimetrical member for adhering the device to the base of a light bulb.

REFERENCES:
patent: 2081801 (1937-05-01), Dunkel
patent: 2726304 (1955-12-01), Gribble
patent: 3333224 (1967-07-01), Rosenblatt
patent: 3467937 (1969-09-01), Norton
patent: 4229680 (1980-10-01), Berlin et al.
patent: 4393299 (1983-07-01), McWilliams
patent: 4435671 (1984-03-01), Wouk

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