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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 ...
Remote Device Management (RDM) is an addition to the DMX512 control protocol for stage lighting equipment, introduced in 2006. DMX512 was developed in the late 1980s as a standard protocol for lighting consoles to communicate with dimmers, but has since been used for more complex applications, including the control of intelligent lighting fixtures.
Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]
The major advantage of a lighting control system over stand-alone lighting controls or conventional manual switching is the ability to control individual lights or groups of lights from a single user interface device. This ability to control multiple light sources from a user device allows complex lighting scenes to be created.
Jean Merilyn Simmons OBE (31 January 1929 – 22 January 2010) was a British actress and singer. [1] [2] One of J. Arthur Rank's "well-spoken young starlets," she appeared predominantly in films, beginning with those made in Britain during and after the Second World War, followed mainly by Hollywood films from 1950 onwards.
The dimmer switch used in conjunction with a dimmable CFL must be matched to its power consumption range; [58] many dimmers installed for use with incandescent bulbs do not function acceptably below 40 W, whereas CFL applications commonly draw power in the range 7–20 W. Dimmable CFLs have been marketed before suitable dimmers are available.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 February 2025. American actor (born 1980) Wilmer Valderrama Valderrama at the 2012 VidCon Born Wilmer Eduardo Valderrama (1980-01-30) January 30, 1980 (age 45) Miami, Florida, U.S. Occupations Actor activist Years active 1998–present Partner(s) Amanda Pacheco (2020–present; engaged) Children 1 ...