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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/4
Name: Illumination > Photographic lighting > Light responsive
Description: Subject matter having an electrical device which responds to radiant light energy by (1) varying its electrical characteristics, (2) generating an electric current, or (3) means for determining the intensity or quantity of light emanating from a particular location or direction, wherein any of the aforementioned three are combined with photos:graphic illumination structure.










Patents under this class:

Patent Number Title Of Patent Date Issued
8624895 Controls for digital lighting Jan. 7, 2014
8459811 Method and apparatus for illumination Jun. 11, 2013
8280558 Computerized light control system with light level profiling and method Oct. 2, 2012
8157396 Inhibiting unwanted photography and video recording Apr. 17, 2012
8021006 LED array flash for cameras Sep. 20, 2011
7510289 Light emitting diode and light emitting control system using same Mar. 31, 2009
6993255 Method and apparatus for providing adaptive illumination Jan. 31, 2006
6172598 Vehicle motion indicator Jan. 9, 2001
RE36582 Photographing light quantity controller for endoscope Feb. 22, 2000
5994844 Video lighthead with dimmer control and stabilized intensity Nov. 30, 1999
5835794 Electronic flash module Nov. 10, 1998
5471370 Strobe control apparatus of camera Nov. 28, 1995
5394063 Video light apparatus Feb. 28, 1995
5191369 Photographing light quantity controller for endoscope Mar. 2, 1993
5115261 Photographing light quantity controller for endoscope May. 19, 1992
5012392 Automatic battery powered video light Apr. 30, 1991
4959755 Automatic battery powered video light Sep. 25, 1990
4666280 Flash shot control device for camera May. 19, 1987
4450506 Automatic light-quantity-control speed light May. 22, 1984
4435156 Subminiature array with normally closed and normally open switches Mar. 6, 1984
4382666 Indicating device for computer type electronic flash apparatus May. 10, 1983
4366529 Optical source unit for an endoscope Dec. 28, 1982
4336570 Radiation switch for photoflash unit Jun. 22, 1982
4330821 Radiation switch for photoflash unit May. 18, 1982
4298907 Flash attachment with extendable head Nov. 3, 1981
4268141 Photo-detection adapter for an automatic flash device May. 19, 1981
4205907 Calculator for electronic flash Jun. 3, 1980
4190880 Photographic flash device Feb. 26, 1980
4171572 Light control apparatus for a dental handpiece Oct. 23, 1979
4133631 Photoflash lamp array circuit board having radiation sensitive fuse elements Jan. 9, 1979
4107706 Camera apparatus Aug. 15, 1978
4100590 Scene-brightness-dependent control of flashbulb flash duration Jul. 11, 1978
4078240 Photographic flash device Mar. 7, 1978
4064431 Last-flash indicator for photoflash array Dec. 20, 1977
4053757 Photoflash lamp array having radiation switches and flash indicators Oct. 11, 1977
4051359 Electric multiple flash arrangement Sep. 27, 1977
3967106 Device for enabling a fixed sensor of an automatic electronic flash unit to respond to bounced light Jun. 29, 1976
3964074 Flash unit for use with cameras having different types of diaphragms and accessory shoes Jun. 15, 1976
3952190 Underwater strobe flash unit Apr. 20, 1976
3937946 Multiple flash lamp unit Feb. 10, 1976
3935442 Photoflash lamp array having electrically connected reflector Jan. 27, 1976











 
 
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