What component did Joel Spira's dimmer use to control light output?
Answer
TRIAC
Spira's device ingeniously utilized a TRIAC (triode for alternating current) to regulate power by chopping the AC waveform.
Related Questions
Who created the first practical visible-spectrum light-emitting diode in 1962?Who invented the first solid-state dimmer switch?What component did Joel Spira's dimmer use to control light output?What specific electrical input do LEDs fundamentally require to maintain light quality?What electronic device was necessary to translate a dimmer's signal into the correct current for an LED chip?What is the primary function of an LED driver regarding household power supply?In what year was the patent secured for Joel Spira's solid-state dimmer technology?What is the term for the older dimmers, like those pioneered by Spira, that chop the beginning of the AC waveform?What issue plagued early attempts to directly connect standard TRIAC dimmers to LED circuits?When a modern LED is dimmed to 50% brightness, how does its power consumption compare to its full setting?