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John Ivey, David L Simon: Light and light sensor. iLumisys, Young Basile, December 4, 2012: US08324817 (66 worldwide citation)

An LED-based light tube for use in a conventional fluorescent fixture can feature a housing including a light transmitting portion. At least one electrical connector can be attached to the housing and configured for engagement with the conventional fluorescent fixture. At least one LED can be arrang ...


2
Richard D Ulrich: Reflectometer. The United States of America represented by the Secretary of the Navy, R F Beers, W Thom Skeer, Kenneth G Pritchard, November 27, 1984: US04484819 (8 worldwide citation)

A portable reflectometer is made using a diffuse light and light sensor cination to measure reflectivity of solar wavelengths. A cadmium sulfide photocell is used as the light sensor connected to a voltage divider network which provides a linear response to an internal light source. The light shield ...


3
James R Scapa, David L Simon, John Ivey: Light and light sensor. iLumisys, Young Basile, December 2, 2014: US08901823 (7 worldwide citation)

A system of LED-based lights comprises first and second LED-based light having respective first and second electrical connectors configured for engagement with first and second conventional fluorescent fixtures, first and second LEDs configured to produce light in an area when the first and second e ...


4
Shigeru Yanagimoto, Ryota Mitamura: Method for continuous casting of metal using light and light sensor to measure mold melt interface. Showa Aluminum, Armstrong Nikaido Marmelstein & Kubovcik, May 12, 1987: US04664175 (6 worldwide citation)

In continuous casting of a non-ferrous metal melt by a gas-pressure impartation method, the cast skin of a large size ingot is usually impaired by the chilling effect of a mold, and it is difficult to stably produce a large size ingot. This difficulty is overcome by controlling the quantity of gas i ...


5
James R Scapa, David L Simon, John Ivey: Light and light sensor. iLumisys, Fish & Richardson P C, July 19, 2016: US09398661 (2 worldwide citation)

An LED-based light includes one or more LEDs, a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs, and operable to output a signal corresponding to the detected bri ...


6
James R Scapa, David L Simon, John Ivey: Light and light sensor. iLumisys, Fish & Richardson P C, January 15, 2019: US10182480

An LED-based light includes one or more LEDs, a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs, and operable to output a signal corresponding to the detected bri ...


7
James R Scapa, David L Simon, John Ivey: Light and light sensor. iLumisys, Fish & Richardson P C, April 25, 2017: US09635727

An LED-based light includes one or more LEDs, a sensor arranged to detect a brightness level in an area resulting from the combination of light emitted by the LEDs with light from at least one ambient light source other than the LEDs, and operable to output a signal corresponding to the detected bri ...


8
Richard Weeks, Joshua Haines: Electrical wiring device having a bidirectional light pipe for use in an ambient environment. Pass & Seymour, Bond Schoeneck & King PLLC, Frederick Price, George McGuire, August 29, 2017: US09746167

A light pipe device having a first light pipe branch including a first light flux interface at a first-first end thereof and a second light flux interface disposed at a first-second end thereof; a second light pipe branch including a third light flux interface at a second-first end thereof and a fou ...


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David L Simon, John Ivey: Light and light sensor. Altair Engineering, Young Basile, April 29, 2010: US20100102730-A1

An LED-based light tube for use in a conventional fluorescent fixture can feature a housing including a light transmitting portion. At least one electrical connector can be attached to the housing and configured for engagement with the conventional fluorescent fixture. At least one LED can be arrang ...