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Class Information
Number: 250/201.1
Name: Radiant energy > Photocells; circuits and apparatus > Photocell controls its own optical systems
Description: Subject matter in which the photocell automatically controls the illumination which falls on the photocell by altering optical means located between a source of illumination and the photocell or by altering the illumination source.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7446292 |
Eye-protection device having dual high voltage switching |
Nov. 4, 2008 |
| 7439476 |
Mirror angle control system |
Oct. 21, 2008 |
| 7417210 |
Multi-spectral sensor system and methods |
Aug. 26, 2008 |
| 7397018 |
Amplitude and phase controlled adaptive optics system |
Jul. 8, 2008 |
| RE40410 |
Method and system for tracking attitude |
Jul. 1, 2008 |
| 7348557 |
Scanning particle beam instrument |
Mar. 25, 2008 |
| 7345802 |
Laser and fiber coupling control |
Mar. 18, 2008 |
| 7317179 |
Systems and methods to shape laser light as a homogeneous line beam for interaction with a film deposited on a substrate |
Jan. 8, 2008 |
| 7312863 |
Motion-compensating light-emitting apparatus |
Dec. 25, 2007 |
| 7253898 |
System for detecting droplets on a translucent surface |
Aug. 7, 2007 |
| 7250597 |
Measuring and adjustment device for an alignment optical system and adjustment method thereof |
Jul. 31, 2007 |
| 7241981 |
Systems and methods for displaying images and processing work pieces |
Jul. 10, 2007 |
| 7232988 |
Microprocessor based automatically dimmable eye protection device with interruption prevention |
Jun. 19, 2007 |
| 7227111 |
Optical inertial reference unit for kilohertz bandwidth submicroradian optical pointing and jitter control |
Jun. 5, 2007 |
| 7164108 |
Detection system for optical beam pointing and shaping |
Jan. 16, 2007 |
| 7161135 |
Multi-stage sensor for an auto-darkening lens for use in welding and method |
Jan. 9, 2007 |
| 7140574 |
Inertial position target measuring systems and methods |
Nov. 28, 2006 |
| 7049570 |
Optical chip coupling system utilizing micromachine adjustable optical elements and a feedback circuit providing the micromachine with a feedback signal correlated to an optical signal paramet |
May. 23, 2006 |
| 7038793 |
Sensor device for performing rapid optical measurement of distances according to the confocal optical imaging principle |
May. 2, 2006 |
| 7026593 |
Eye-protection device having dual high voltage switching |
Apr. 11, 2006 |
| 6987538 |
Multipoint autofocus system |
Jan. 17, 2006 |
| 6941577 |
Antiglare device for welding protective masks |
Sep. 13, 2005 |
| 6936809 |
Method and device for lateral adjustment of image |
Aug. 30, 2005 |
| 6900425 |
System for illuminating an object |
May. 31, 2005 |
| 6884987 |
Microprocessor based automatically dimmable eye protection device with interruption prevention |
Apr. 26, 2005 |
| 6881939 |
Microprocessor based automatically dimmable eye protection device |
Apr. 19, 2005 |
| 6864473 |
Dynamic optical filtration |
Mar. 8, 2005 |
| 6849841 |
SYSTEM AND METHOD FOR EFFECTING HIGH-POWER BEAM CONTROL WITH OUTGOING WAVEFRONT CORRECTION UTILIZING HOLOGRAPHIC SAMPLING AT PRIMARY MIRROR, PHASE CONJUGATION, AND ADAPTIVE OPTICS IN LOW POWER |
Feb. 1, 2005 |
| 6841772 |
Eye-protection device having dual high voltage switching |
Jan. 11, 2005 |
| 6796652 |
Glare-protection device with a screened evaluation circuit |
Sep. 28, 2004 |
| 6787745 |
Fiber optic signal detector with two switchable input channels |
Sep. 7, 2004 |
| 6765606 |
Three dimension imaging by dual wavelength triangulation |
Jul. 20, 2004 |
| 6750435 |
Lens focusing device, system and method for use with multiple light wavelengths |
Jun. 15, 2004 |
| 6747256 |
System and method for optical alignment of a color imaging system |
Jun. 8, 2004 |
| 6683598 |
Mouse optical sampling scheme |
Jan. 27, 2004 |
| 6683290 |
Constant light disable for spatial light modulator |
Jan. 27, 2004 |
| 6653611 |
Optical line of sight pointing and stabilization system |
Nov. 25, 2003 |
| 6621628 |
Laser microscope and confocal laser scanning microscope |
Sep. 16, 2003 |
| 6603445 |
Method and apparatus for factoring large numbers with optoelectronic devices |
Aug. 5, 2003 |
| 6556330 |
Apparatus and method for an integrated photodiode in an infrared receiver |
Apr. 29, 2003 |
| 6552316 |
Glare protecting device utilizing both optical and non-optical detectors and method of controlling thereof |
Apr. 22, 2003 |
| 6521877 |
Optical arrangement having improved temperature distribution within an optical element |
Feb. 18, 2003 |
| 6501061 |
Laser calibration apparatus and method |
Dec. 31, 2002 |
| 6501060 |
Correcting distortions in optical signals |
Dec. 31, 2002 |
| 6495812 |
Apparatus and method for analyzing an object of interest having a pivotably movable source and detector |
Dec. 17, 2002 |
| 6483090 |
Glare protecting device and method of controlling thereof |
Nov. 19, 2002 |
| 6448547 |
Method for determining photodiode performance parameters |
Sep. 10, 2002 |
| 6373614 |
High performance polarization controller and polarization sensor |
Apr. 16, 2002 |
| 6369374 |
Filter including a micro-mechanical resonator |
Apr. 9, 2002 |
| 6326600 |
Method and apparatus for distortion reduction in optoelectronic interconnections |
Dec. 4, 2001 |
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