dimmer articles
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?