Who is credited with inventing the true modern, safe, and compact dimmer switch?
Answer
Joel Spira
Joel Spira, a young physicist, is credited with inventing the modern dimmer switch, moving beyond the crude methods that existed in the 1950s.
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Who is credited with inventing the true modern, safe, and compact dimmer switch?What was the primary operational drawback of the common rheostat dimmer method?What core concept did Spira adopt from emerging solid-state electronics to improve dimming?What specific semiconductor device was central to Spira's breakthrough phase control circuit?What technique allowed Spira to control the average power delivered to the lamp using the SCR?When was Joel Spira granted the patent for his solid-state dimmer switch?What was the name of the first dimmer switch product brought to market by Lutron Electronics?Which company did Joel Spira co-found with his wife, Ruth, to commercialize his invention?What was the primary initial obstacle that delayed the widespread adoption of Spira's dimmer technology?What type of control method did LED lamps require that differed significantly from incandescent bulbs?