| Patent Number |
Title Of Patent |
Date Issued |
| 7257473 |
Steering column switch system comprising an emergency operation function |
Aug. 14, 2007 |
| 7078677 |
Optical encoder disk having a region that continuously increases in size |
Jul. 18, 2006 |
| 6985239 |
Position-sensing device for 3-D profilometers |
Jan. 10, 2006 |
| 6974949 |
Position sensor with an optical member of varying thickness |
Dec. 13, 2005 |
| 6800839 |
Device for the optoelectronic detection of switching positions of a switching element |
Oct. 5, 2004 |
| 6777666 |
Position sensor utilizing light emissions from a lateral surface of a light-emitting structure and two light collectors |
Aug. 17, 2004 |
| 6710322 |
Device for detecting the position of a selector lever |
Mar. 23, 2004 |
| 6617958 |
Optical potentiometer |
Sep. 9, 2003 |
| 6614016 |
Method for optically determining the position of a movement element and sensor for implementing the method |
Sep. 2, 2003 |
| 6586719 |
Device for detecting the positional change between two bodies moving in relation to one another |
Jul. 1, 2003 |
| 6573488 |
Semiconductor position sensitive detector |
Jun. 3, 2003 |
| 6188380 |
Photodetector of liquid crystal display and luminance control device using the same |
Feb. 13, 2001 |
| 6152443 |
Optical device for detecting the printing media in printers |
Nov. 28, 2000 |
| 6051842 |
Illumination optical apparatus with optical integrator |
Apr. 18, 2000 |
| 6025588 |
Optical analog potentiometer |
Feb. 15, 2000 |
| 6015970 |
Switch assembly incorporating optical control function |
Jan. 18, 2000 |
| 5973320 |
Optical position sensor |
Oct. 26, 1999 |
| 5965878 |
Performing quadrature and push button function utilizing two IR emitter/detector pairs |
Oct. 12, 1999 |
| 5939712 |
Absolute position detection within 1 revolution using 3-channel incremental encoders with high resolution index track |
Aug. 17, 1999 |
| 5716030 |
Aperture door and calibration source for spacecraft remote sensing devices |
Feb. 10, 1998 |
| 5703357 |
Methods for wavelength discrimination of monochromatic light beams |
Dec. 30, 1997 |
| 5670780 |
Device providing real-time orientation and direction of an object |
Sep. 23, 1997 |
| 5665965 |
Encoder apparatus and methods employing optical and graphical programming |
Sep. 9, 1997 |
| 5650613 |
Encoder for measuring, position, velocity and acceleration of a shaft |
Jul. 22, 1997 |
| 5573236 |
Variable sheet guide position sensor |
Nov. 12, 1996 |
| 5572039 |
Method and apparatus for observing a gap |
Nov. 5, 1996 |
| 5532473 |
Reflection shadow sensor with light directing diffusive surface |
Jul. 2, 1996 |
| 5466923 |
Method and circuit for compensating the drift of the output signal of a photoelectric sensor in an electrical remote control apparatus, and remote control apparatus realizing this method and t |
Nov. 14, 1995 |
| 5466923 |
Method and circuit for compensating the drift of the output signal of a photoelectric sensor in an electrical remote control apparatus, and remote control apparatus realizing this method and t |
Nov. 14, 1995 |
| 5428217 |
Annular photodiode for use in an optical rotary encoder |
Jun. 27, 1995 |
| 5420413 |
Actuator with an optical position sensor using a variable magnetic field |
May. 30, 1995 |
| 5389777 |
Optical displacement sensor utilizing optical diffusion and reflection |
Feb. 14, 1995 |
| 5376785 |
Optical displacement sensor utilizing optical diffusion |
Dec. 27, 1994 |
| 5359186 |
Particle detector for detecting ionizing particles having a potential barrier formed in a region of defects |
Oct. 25, 1994 |
| 5343186 |
Variable resistor having the capacity to produce a fader start signal output |
Aug. 30, 1994 |
| 5329114 |
Actuator with an optical position sensor using linear attenuators |
Jul. 12, 1994 |
| 5283432 |
Optical control knob assembly incorporated on a flat panel display apparatus |
Feb. 1, 1994 |
| 5272335 |
Eccentricity-compensated position detecting apparatus having an identifying transparent slit |
Dec. 21, 1993 |
| 5218199 |
Optical position sensor having rigidly fixed read head |
Jun. 8, 1993 |
| 5155355 |
Photoelectric encoder having a grating substrate with integral light emitting elements |
Oct. 13, 1992 |
| 4977316 |
Encoder disc having a track formed by two regions of different radii |
Dec. 11, 1990 |
| 4950899 |
Position detecting circuit with CCD and relatively moving source |
Aug. 21, 1990 |
| 4947665 |
Apparatus for the electrical control of an in-line drawing machine |
Aug. 14, 1990 |
| 4928008 |
Variable light transmission filter and optical analog position sensor |
May. 22, 1990 |
| 4917360 |
Operating device for electric chain block |
Apr. 17, 1990 |
| 4905291 |
Cyberoptic audio level control system |
Feb. 27, 1990 |
| 4902885 |
Photoelectric conversion type rotational position detector |
Feb. 20, 1990 |
| 4874939 |
Method and apparatus for detecting position/variance of input light using linear and quadratic outputs |
Oct. 17, 1989 |
| 4859845 |
Optical rotary encoder with sub-code patterns |
Aug. 22, 1989 |
| 4849621 |
Rotational-position detecting apparatus with two shaped photovoltaic surfaces |
Jul. 18, 1989 |
