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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) |
1,003 |
| 250/221 |
Controlled by article, person, or animal |
1,518 |
| 250/573 |
Fluent material in optical path |
517 |
| 250/237R |
Hoods, grating, baffles, diaphragms, masks |
293 |
| 250/566 |
Including coded record |
268 |
| 250/228 |
Integrating sphere |
161 |
| 250/227.11 |
Light conductor |
855 |
| 250/229 |
Light valve (e.g., iris diaphragm) |
277 |
| 250/234 |
Means for moving optical system |
924 |
| 250/578.1 |
Plural light sources or optical paths |
134 |
| 250/225 |
Polarizing |
522 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622705 |
Dielectric microcavity fluorosensors excited with a broadband light source |
Nov. 24, 2009 |
| 7619235 |
Optical sampling arrangements |
Nov. 17, 2009 |
| 7619204 |
Imaging reader with enhanced light throughput |
Nov. 17, 2009 |
| 7619203 |
High throughput multi beam detection system and method |
Nov. 17, 2009 |
| 7618465 |
Near-field antenna |
Nov. 17, 2009 |
| 7615739 |
Spin microscope based on optically detected magnetic resonance |
Nov. 10, 2009 |
| 7615733 |
Optical navigation apparatus and method for making the apparatus |
Nov. 10, 2009 |
| 7615732 |
Solid state imaging device |
Nov. 10, 2009 |
| 7612323 |
Optical element for condensing incident light |
Nov. 3, 2009 |
| 7612318 |
Complementary metal oxide semiconductor image sensor having cross talk prevention and method for fabricating the same |
Nov. 3, 2009 |
| 7601949 |
Optical scanner device |
Oct. 13, 2009 |
| 7601944 |
High throughput multi beam detection system and method |
Oct. 13, 2009 |
| 7601938 |
Imaging system, methodology, and applications employing reciprocal space optical design |
Oct. 13, 2009 |
| 7598483 |
Optical element and optical measurement device using the optical element |
Oct. 6, 2009 |
| 7595477 |
Anti- reflective device having an anti-reflection surface formed of silicon spikes with nano-tips |
Sep. 29, 2009 |
| 7595473 |
Method and system of array imaging |
Sep. 29, 2009 |
| 7594965 |
Beam homogenizer and laser irradiation apparatus and method of manufacturing semiconductor device |
Sep. 29, 2009 |
| 7592583 |
Photosensor with customizable angular-response characteristics |
Sep. 22, 2009 |
| 7592582 |
Confocal scanner having beam spread angle adjustment device |
Sep. 22, 2009 |
| 7591858 |
Mirror optic for near-field optical measurements |
Sep. 22, 2009 |
| 7589311 |
Optoelectronic sensor and method for detecting objects with polarized light |
Sep. 15, 2009 |
| 7589307 |
Image display apparatus that reduces illuminance irregularity, projection-type image display apparatus using the image display apparatus and rear-projection televison |
Sep. 15, 2009 |
| 7589306 |
Image sensor with buried self aligned focusing element |
Sep. 15, 2009 |
| 7586082 |
Optical element for a document illuminator |
Sep. 8, 2009 |
| 7576348 |
One-dimensional phase contrast microscopy with a traveling lens generated by a step function change |
Aug. 18, 2009 |
| 7576311 |
Optical detector having a sensing element, a lens and a frustum coupled to the lens |
Aug. 18, 2009 |
| 7576310 |
Imaging optical system and endoscope provided with imaging optical system |
Aug. 18, 2009 |
| 7570433 |
Photoelectric encoder |
Aug. 4, 2009 |
| 7569805 |
Apparatus and method for calibrating a reflecting mirror |
Aug. 4, 2009 |
| 7566864 |
Apparatus and methods for an area scanner having an adjustable mirror and a scan mirror with scan operable to 360 degrees |
Jul. 28, 2009 |
| 7566854 |
Image sensor module |
Jul. 28, 2009 |
| 7560681 |
Image sensor and manufacturing method thereof |
Jul. 14, 2009 |
| 7557337 |
Micro-lens configuration for small lens focusing in digital imaging devices |
Jul. 7, 2009 |
| 7554075 |
Imaging apparatus |
Jun. 30, 2009 |
| 7547874 |
Single axis illumination for multi-axis imaging system |
Jun. 16, 2009 |
| 7547873 |
Apparatus and method for providing high intensity non-coherent light and for speckle reduction |
Jun. 16, 2009 |
| 7544923 |
LED signature elimination in specular-mode LED illumination having a light diffuser between an illuminator array and an image bearing surface |
Jun. 9, 2009 |
| 7544922 |
Near-field light-emitting element and optical head |
Jun. 9, 2009 |
| 7543946 |
Dimmable rearview assembly having a glare sensor |
Jun. 9, 2009 |
| 7538305 |
Photo sensor, display panel having the same and display device having the display panel |
May. 26, 2009 |
| 7537367 |
Illumination device, image reading device, and image forming apparatus |
May. 26, 2009 |
| 7534992 |
Contactless connector for data transmission including rotating and fixed light elements |
May. 19, 2009 |
| 7534991 |
Athermalized birefringent filter apparatus and method |
May. 19, 2009 |
| 7534987 |
Light measuring apparatus |
May. 19, 2009 |
| 7534986 |
Optical wireless transmission system |
May. 19, 2009 |
| 7529383 |
Image input apparatus |
May. 5, 2009 |
| 7528359 |
Projector |
May. 5, 2009 |
| 7528354 |
Method and device for position sensing of an optical component in an imaging system |
May. 5, 2009 |
| 7521660 |
Optical signal processor and optical signal processing method for processing optical signals in optical communications systems |
Apr. 21, 2009 |
| 7518099 |
Multifunctional optical sensor comprising a photodetectors matrix coupled to a microlenses matrix |
Apr. 14, 2009 |
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