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Class Information
Number: 250/216
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system
Description: Subject matter having means for illuminating the photoelectric cell.

Sub-classes under this class:

Class Number Class Name Patents
250/226 Color (e.g., filter or spectroscope) 1,191
250/221 Controlled by article, person, or animal 1,871
250/573 Fluent material in optical path 613
250/237R Hoods, grating, baffles, diaphragms, masks 315
250/566 Including coded record 279
250/228 Integrating sphere 184
250/227.11 Light conductor 979
250/229 Light valve (e.g., iris diaphragm) 282
250/234 Means for moving optical system 1,045
250/578.1 Plural light sources or optical paths 147
250/225 Polarizing 584

Patents under this class:

Patent Number Title Of Patent Date Issued
8710413 Optical analysis device, optical analysis method and computer program for optical analysis Apr. 29, 2014
8710412 Focus information generating device and focus information generating method Apr. 29, 2014
8709878 Methods of packaging imager devices and optics modules, and resulting assemblies Apr. 29, 2014
8704154 Non-contact probe with an optical filter and measuring machine including the same Apr. 22, 2014
8704150 Beam splitter module having a secondary beam splitter for providing orthogonal light beams and parallel light beams Apr. 22, 2014
8704149 Optoelectronic device assembly having auxiliary energy receiver Apr. 22, 2014
8686346 Frequency selective imaging system Apr. 1, 2014
8686345 Standby circuit Apr. 1, 2014
8686337 Solid-state imaging device, solid-state imaging device manufacturing method, electronic device, and lens array Apr. 1, 2014
8682116 Integrated circuit including non-planar structure and waveguide Mar. 25, 2014
8677605 Method for manufacturing sensor unit Mar. 25, 2014
8669513 Method of assembling a light sensor module using an intermediate layer, and light sensor module assembly including the same Mar. 11, 2014
8664584 Compact tap monitor with a reflection mask Mar. 4, 2014
8658961 Inputting module and submount thereof and manufacturing method of the submount Feb. 25, 2014
8642937 Full-aperture, back-illuminated, uniform-scene for remote sensing optical payload calibration Feb. 4, 2014
8637803 Method and apparatus for measuring the optical forces acting on a particle Jan. 28, 2014
8633432 Reflective focusing and transmissive projection device Jan. 21, 2014
8633377 Light concentration apparatus, systems and methods Jan. 21, 2014
8629418 Lithographic apparatus and sensor therefor Jan. 14, 2014
8629382 Auto focus apparatus for detecting a focal point with a setting section for shifting an irradiation position outside an observation field of an imaging section Jan. 14, 2014
8625087 Packing container, method of packing optical probe, laser system, and checking method Jan. 7, 2014
8624174 Mirror structure with at least one component of an optical sensor integrated therewith Jan. 7, 2014
8618508 Detection system and method Dec. 31, 2013
8618463 Optical filter having substrate including surfaces with different heights and optical module provided with same Dec. 31, 2013
8614413 Image reading apparatus to illuminate light on an original document with an optical member having four planes positioned such that the light incident side is smaller in size than the light exi Dec. 24, 2013
8610048 Photosensitive integrated circuit equipped with a reflective layer and corresponding method of production Dec. 17, 2013
8604411 Charged particle beam modulator Dec. 10, 2013
8604410 Phase plate having fine periodic structure smaller than visible light wavelength and projection image display apparatus Dec. 10, 2013
8600241 Optical power transmission system and method having co-propagating control signal Dec. 3, 2013
8599301 Arrayed imaging systems having improved alignment and associated methods Dec. 3, 2013
8598559 Systems and methods for beam splitting for imaging Dec. 3, 2013
8592743 Low distortion high bandwidth adaptive transmission line for integrated photonic applications Nov. 26, 2013
8586909 Method of manufacturing an optical member having stacked high and low refractive index layers Nov. 19, 2013
8581173 Fiber optic transceiver module having a molded cover in which an optical beam transformer made of an elastomer is integrally formed Nov. 12, 2013
8581165 Optomechanical MEMS device including a proof mass and an illumination mitigating mechanism Nov. 12, 2013
8569679 System and circuit including multiple photo detectors and at least one optical barrier Oct. 29, 2013
8569678 Micron-scale lens array having diffracting structures Oct. 29, 2013
8569677 Devices useful for vacuum ultraviolet beam characterization including a movable stage with a transmission grating and image detector Oct. 29, 2013
8564207 Carpet unit comprising optical sensor Oct. 22, 2013
8558161 Lens having multiple conic sections for LEDs and proximity sensors Oct. 15, 2013
8558156 Device for capturing and preserving an energy beam which penetrates into an interior of said device and method therefor Oct. 15, 2013
8552358 Quantum tunneling photodetector array including electrode nano wires Oct. 8, 2013
8546741 Compact optical finger navigation system based on speckles with an optical element including an optical redirection surface Oct. 1, 2013
8546739 Manufacturing method of wafer level chip scale package of image-sensing module Oct. 1, 2013
8541856 Optical touch-screen imager Sep. 24, 2013
8541735 Inlaid optical material and method of manufacture Sep. 24, 2013
8536503 Faceted retro-mirror for line-of-sight jitter sensing Sep. 17, 2013
8535643 Flourescent dendrimer compounds and use of such compounds in multi-photon devices or processes Sep. 17, 2013
8535616 Sub-wavelength metallic apertures as light enhancement devices Sep. 17, 2013
8530822 Illumination device and projection having a plurality of collimating and converging lenses Sep. 10, 2013

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