| Patent No. | Patent Title: |
| 5539201 | Multiple channel driver for fiber optic coupled sensors and switc... |
| 5536934 | Light intensity deterioration detecting circuit with compensation... |
| 5534693 | Optical displacement detection apparatus employing diffraction gr... |
| 5534691 | System for determining pumping mechanism position while limiting ... |
| 5532474 | Active quench circuit and reset circuit for avalanche photodiode |
| 5532472 | Photoelectric switch monitoring the duration of pulsed light to p... |
| 5530239 | Document reading apparatus employing two subsequent samplings of ... |
| 5523557 | Optoelectronic device integrating a light guide and a photodetect... |
| 5523554 | Solid state image converter with two oppositely connected diodes ... |
| 5521373 | Position tracking system using a radiation director which directs... |
| 5519209 | High range resolution active imaging system using a high speed sh... |
| 5517022 | Apparatus for measuring an ambient isotropic parameter applied to... |
| 5514865 | Dither image scanner with compensation for individual detector re... |
| 5512743 | Space-based asteroid detection and monitoring system |
| 5512761 | Distance sensor for determining a distance between two relatively... |
| 5508510 | Pulsed infrared sensor to detect the presence of a person or obje... |
| 5508508 | Apparatus for converting optical bipolar signals to optical unipo... |
| 5506403 | Radiation image intensifier having a metal convex-14 Spherical ra... |
| 5506398 | Optical data recording and reproducing apparatus and method emplo... |
| 5504324 | Soft x-ray imaging device employing a cylindrical compression spr... |
| 5500520 | Compact large aperture optical transmitter/receiver for lidars em... |
| 5498866 | Optoelectronic sensor for detecting moisture on a windshield with... |
| 5498869 | Apparatus for wobble correction using an agile beam polygon ROS a... |
| 5496993 | Optical pickup device with wedge shaped and concave lens for corr... |
| 5495112 | Flame detector self diagnostic system employing a modulated optic... |
| 5493112 | Method and apparatus for detecting the presence and location of a... |
| 5491331 | Soft x-ray imaging device |
| 5488240 | Apparatus and method for rotating an optical element using a movi... |
| 5488225 | Rotary scanner and light beam scanning system having a specified ... |
| 5483053 | Variable resolution color image scanner having an exposure delay ... |
| 5483058 | High angular sensitivity, absolute rotary encoding device with po... |
| 5481104 | Photodetector circuit with actively damped tuned input |
| 5479007 | Optoelectronic keyboard using current control pulses to increase ... |
| 5479008 | Apparatus and method for measuring the speed, position, and launc... |
| 5475211 | Photoelectric conversion device and information processing appara... |
| 5475235 | Control of laser light power output for use in light scattering ... |
| 5471053 | Light collector |
| 5471066 | Defect inspection apparatus of rotary type |
| 5466945 | Apparatus for detecting proper positioning of objects in a holder |
| 5466928 | Light detection device bonded to an optics housing which includes... |
Quotables 
PatentStorm News
