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Dimmer in a residential application with RF-based remote control. Non domestic dimmers are usually controlled remotely by means of various protocols. Analogue dimmers usually require a separate wire for each channel of dimming carrying a voltage between 0 and 10 V. Some analogue circuitry then derives a control signal from this and the mains ...
In the 1980s there was a strong requirement to make commercial lighting more controllable so that it could become more energy efficient. Initially this was done with analog control, allowing fluorescent ballasts and dimmers to be controlled from a central source. This was a step in the right direction, but cabling was complicated and therefore ...
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 Company into the production of lighting controllers.
SCR 4-layer (p-n-p-n) diagram. A silicon controlled rectifier or semiconductor controlled rectifier is a four-layer solid-state current-controlling device.The name "silicon controlled rectifier" is General Electric's trade name for a type of thyristor.
This page shows the 50 accounts with the most followers on the social media platform Instagram, with each amount rounded down to the nearest million followers. [1] The most-followed account is Instagram's own account.
Logo for the first Star Trek series, now known as The Original Series. Star Trek is an American science fiction media franchise that started with a television series (simply called Star Trek but now referred to as Star Trek: The Original Series) created by Gene Roddenberry.
Melinda Ruth Dillon (October 13, 1939 – January 9, 2023) was an American actress. She received a 1963 Tony Award nomination for her Broadway debut in the original production of Who's Afraid of Virginia Woolf?, and she was nominated for the Academy Award for Best Supporting Actress for Close Encounters of the Third Kind (1977) and Absence of Malice (1981).
Manifest is an American supernatural drama television series created by Jeff Rake that premiered on September 24, 2018, on NBC.It centers on the passengers and crew of a commercial airliner who suddenly reappear after being presumed dead for five and a half years.