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Browse by Category: Main > Electrical & Energy
Class Information
Number: 250/214DC
Name: Radiant energy > Photocells; circuits and apparatus > Photocell controlled circuit > Special photocell or electron tube circuits > Digital circuitry
Description:


Patents under this class:

Patent Number Title Of Patent Date Issued
7408138 Analog-to-digital converter with noise compensation in CMOS image sensor Aug. 5, 2008
7342213 CMOS APS shared amplifier pixel with symmetrical field effect transistor placement Mar. 11, 2008
7326903 Mixed analog and digital pixel for high dynamic range readout Feb. 5, 2008
7327458 Spectral sensitivity composing system Feb. 5, 2008
7297917 Readout technique for increasing or maintaining dynamic range in image sensors Nov. 20, 2007
7288752 CMOS radiation-measuring circuit with a variable threshold Oct. 30, 2007
7265332 Light monitor, electronic circuit incorporating a light monitor, and method of making the same Sep. 4, 2007
7202463 Higher dynamic range image sensor with signal integration Apr. 10, 2007
7164114 Digital pixel sensor with clock count output and operating method thereof Jan. 16, 2007
7087879 Signal processing method and an evaluation circuit Aug. 8, 2006
7053392 Optical measuring apparatus for measuring objects on machines May. 30, 2006
7013036 Image sensing apparatus and method of controlling image sensing Mar. 14, 2006
6974942 Receiving apparatus, transmitting apparatus, and communication system Dec. 13, 2005
6914229 Signal offset for prevention of data clipping in a molecular array scanner Jul. 5, 2005
6838651 High sensitivity snap shot CMOS image sensor Jan. 4, 2005
6809804 System and method for providing improved event reading and data processing capabilities in a flow cytometer Oct. 26, 2004
6791485 Digital densitometer using light-to-frequency converter Sep. 14, 2004
6664556 Method and apparatus for a phototransistor pulse width converter Dec. 16, 2003
6635859 Method and apparatus for light to frequency conversion Oct. 21, 2003
6617566 Apparatus and method for optical pattern detection Sep. 9, 2003
6583400 Multichannel receiver circuit for parallel reception Jun. 24, 2003
6515784 Refractive index manipulating optical inverter Feb. 4, 2003
6444971 Method and system for compensating intensity fluctuations of an illumination system in a confocal microscope Sep. 3, 2002
6417503 Optical sensor circuit with output changing means Jul. 9, 2002
6194703 Photodiode array having a controllable dumping circuitry Feb. 27, 2001
6144024 Digital densitometer using voltage-controlled oscillator, counter, and look-up table Nov. 7, 2000
6137566 Method and apparatus for signal processing in a laser radar receiver Oct. 24, 2000
6011252 Method and apparatus for detecting low light levels Jan. 4, 2000
5850195 Monolithic light-to-digital signal converter Dec. 15, 1998
5742045 Apparatus using diode laser logic to form a configurable optical gate system Apr. 21, 1998
5712475 Light receiving circuit with variable threshold circuit Jan. 27, 1998
5581074 Inspection apparatus with stroboscope intensity compensation features Dec. 3, 1996
5192968 Photometer Mar. 9, 1993
5109358 Optical flip-flop circuit Apr. 28, 1992
5073718 Optical control of a microwave switch Dec. 17, 1991
4873428 Image processing apparatus using conversion means Oct. 10, 1989
4821036 Method of and apparatus for producing a digital indication of the time-integral of an electric current Apr. 11, 1989
4819197 Peak detector and imaging system Apr. 4, 1989
4795904 Electrical detector arrangements Jan. 3, 1989
4743856 Digital optical receiver circuit May. 10, 1988
4249109 Light digitizing circuit for an electronic flash device Feb. 3, 1981
4150286 Material flow monitoring circuit Apr. 17, 1979
3947692 Digital transducers Mar. 30, 1976



 
 
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