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Known for. invention of the first solid state-electronic dimmer and founder of Lutron Electronics Company. Joel Solon Spira (March 1, 1927 – April 8, 2015) was an American inventor, entrepreneur, and business magnate . He invented a version of the light- dimmer switch for use in homes around the United States and led his Lutron Electronics ...
In 1961, she co-founded Lutron Electronics, a lighting company, with her husband, who is credited with inventing the solid-state dimmer switch. She was Lutron's co-chair, and headed the company's marketing department from 1982. In 1973, the Spiras founded another company, Subarashii Kudamono, to grow Asian pears in the Lehigh Valley.
Dimmer. A dimmer is a device connected to a light fixture and used to lower the brightness of the light. By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output. Although variable-voltage devices are used for various purposes, the term dimmer is generally reserved for those intended to ...
United Technologies Corporation ( UTC) was an American multinational conglomerate headquartered in Farmington, Connecticut. [1] It researched, developed, and manufactured products in numerous areas, including aircraft engines, aerospace systems, HVAC, elevators and escalators, fire and security, building automation, and industrial products ...
Leviton Manufacturing Company, Inc. is an American manufacturer of electrical wiring equipment in North America. It produces electrical light sockets, receptacles and outlets, switches, dimmers and other lighting control systems, wire, power cables, power cords, wall and ceiling occupancy sensors, wall plates, datacom, and other electrical products.
Joel Spira, co-founder of Lutron, died on Wednesday, April 8, 2015, according to an Associated Press report at Fox News, filed on April 9, 2015 (UTC). He was 88, so that would make his birth date circa 1926.
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