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Class Information
Number: 250/238
Name: Radiant energy > Photocells; circuits and apparatus > Temperature control of photocell
Description: Subject matter having means for controlling the temperature of the photocell apparatus.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8653439 Image forming apparatus having optical sensor system, optical sensor system having heating module for removing deposit formation of volatile organic compounds there from, and method thereof Feb. 18, 2014
8536514 Method and apparatus for measuring the temperature of a sheet material Sep. 17, 2013
8445836 System for maintaining an even temperature distribution across a laser detector May. 21, 2013
8440951 Wavelength conversion laser light source having dual optical receiver and a temperature control unit, and projection display device, liquid crystal display device and laser light source provid May. 14, 2013
8253093 Optoelectronic detector assembly and method of operating same Aug. 28, 2012
8217333 Flowmeter having at least two optical waveguides and one controlled electrical heating element for determining a flow direction Jul. 10, 2012
8106953 Imaging apparatus including a cooled imaging element which is shifted to perform high-definition imaging Jan. 31, 2012
8093547 Projector and light source apparatus having a second reflector for reflecting light in infrared region Jan. 10, 2012
8088994 Light concentrating modules, systems and methods Jan. 3, 2012
8089037 Real-time gain compensation for photo detectors based on energy peak detection Jan. 3, 2012
8080731 Restrained solar collector and method Dec. 20, 2011
7952640 Image pickup element module, and lens unit and portable electronic device using image pickup element modules May. 31, 2011
7860678 Apparatus and method for automated adjustment and setting of APD optical receiver operation point Dec. 28, 2010
7847237 Method and apparatus for testing and evaluating performance of a solar cell Dec. 7, 2010
7800048 System and method for determining a change of temperature of a SBT pixel element Sep. 21, 2010
7750287 Temperature control apparatus and method, and program Jul. 6, 2010
7728282 Method and apparatus capable of controlling heat dissipation based on temperatures measured at an intake vent and an outlet vent Jun. 1, 2010
7705292 Method and apparatus for detecting a condition of an optical element Apr. 27, 2010
7633044 Image sensor module Dec. 15, 2009
7633054 Radiation detecting system using solid-state sensors with electronic cooling and method of preventing condensation using the same Dec. 15, 2009
7619193 System and method for controlling a LED luminary Nov. 17, 2009
7608815 Photo detector with compensated output and method involving same Oct. 27, 2009
7573023 Arrangement and method for compensation of the temperature dependency of detectors in spectrometers Aug. 11, 2009
7570303 Image pick-up element assembly and image pick-up element Aug. 4, 2009
7566865 Temperature controlled photodetector Jul. 28, 2009
7534994 Laser scanning system employing laser mode switching using a binary mode switching signal May. 19, 2009
7498552 Calibratable microwave circuit with illuminable GaAs-FET, calibrating device and process Mar. 3, 2009
7479986 Imaging apparatus including a cooled imaging element which is shifted to perform high-definition imaging Jan. 20, 2009
7470890 Field-modulating angular position measuring device having a scanning distance determinable in accordance with temperature and signal amplitudes Dec. 30, 2008
7439481 In-situ power monitor having an extended range to stabilize gain of avalanche photodiodes across temperature variations Oct. 21, 2008
7427741 Bias control apparatus for avalanche photodiode and optical apparatus utilizing the bias control apparatus Sep. 23, 2008
7411178 Wavelength measuring device for a single light receiving element and wavelength measuring method at different temperatures Aug. 12, 2008
7397021 Device having optical sensor Jul. 8, 2008
7385182 Temperature sensing circuit having a controller for measuring a length of charging time Jun. 10, 2008
7326921 Optical receiver with bias voltage adjusted according to adjustable bypass current Feb. 5, 2008
7256378 Output-compensating device for image sensor Aug. 14, 2007
7253396 Cooled photodetector Aug. 7, 2007
7227115 Method of and system for detecting and correcting mode switching in diffractive-based laser scanning systems Jun. 5, 2007
7199358 Antenna-coupled microbolometer Apr. 3, 2007
7183540 Apparatus for measuring photo diodes' temperature dependence Feb. 27, 2007
7164109 Solar position tracing sensor using thin film pattern of both-sided printed circuit board Jan. 16, 2007
7154077 Device and method for measurement of incident power and energy Dec. 26, 2006
7122785 Rotation angle detection apparatus and resin rotary disk for the same Oct. 17, 2006
7105804 Light beam scanning unit and image forming apparatus Sep. 12, 2006
7102121 Temperature compensation for QKD systems Sep. 5, 2006
7098443 Temperature compensation method and apparatus for color sensors Aug. 29, 2006
7081609 Light-receiving circuit capable of compensating a temperature dependence of an optical sensitivity of a photodiode Jul. 25, 2006
7060970 Temperature compensating device for APD optical receiver Jun. 13, 2006
7019281 Rotation angle detection apparatus and rotary disk for same Mar. 28, 2006
6995354 Optoelectronic sensor device Feb. 7, 2006

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