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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.
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 ...
0-10V dimmer In production lighting this system was replaced by analog multiplexed systems such as D54 and AMX192 , which themselves have been almost completely replaced by DMX512 . For dimmable fluorescent lamps (where it operates instead at 1–10 V, where 1 V is minimum and 0 V is off), the system is being replaced by DSI , which itself is ...
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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 ...
Suzanne Marie Mahoney was born in San Bruno, California, on October 16, 1946 [2] [3] as the third [4] of four children in a working-class Irish-American Catholic family. [5] Her mother, Marion Elizabeth (née Turner), was a medical secretary, and her father, Francis "Frank" Mahoney, loaded cases of beer onto boxcars, [6] was a laborer and gardener. [7]
Linda Evans and Peppard in TV's Banacek (1974) . George Peppard (/ p ə ˈ p ɑːr d /; October 1, 1928 – May 8, 1994) was an American actor.He secured a major role as struggling writer Paul Varjak when he starred alongside Audrey Hepburn in Breakfast at Tiffany's (1961), and later portrayed a character based on Howard Hughes in The Carpetbaggers (1964).
A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol. Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs).