| Patent Number |
Title Of Patent |
Date Issued |
| 7459666 |
Battery compartment adapter cap for control of electric power and device equipped therewith |
Dec. 2, 2008 |
| 7449668 |
Optically powered drive circuit and method for controlling a semiconductor switch |
Nov. 11, 2008 |
| 7417217 |
Regressive reflection type photoelectric switch |
Aug. 26, 2008 |
| 7397022 |
Sensor arrangement to prevent reference light incident on side of photodiode |
Jul. 8, 2008 |
| 7376359 |
Digital regulated light receive module and regulation method |
May. 20, 2008 |
| 7365302 |
Output impedance varying circuit |
Apr. 29, 2008 |
| 7335871 |
Low power switching for antenna reconfiguration |
Feb. 26, 2008 |
| 7329848 |
Photo sensor, display panel having the same and display device having the display panel |
Feb. 12, 2008 |
| 7327458 |
Spectral sensitivity composing system |
Feb. 5, 2008 |
| 7295455 |
Semiconductor integrated circuit with photo-detecting elements for reverse-engineering protection |
Nov. 13, 2007 |
| 7291825 |
Capacitance type physical quantity sensor |
Nov. 6, 2007 |
| 7256409 |
Optical sensor circuit combining functions of open and close type optical sensor circuits |
Aug. 14, 2007 |
| 7217915 |
Method and apparatus for detecting the position of light which is incident to a semiconductor die |
May. 15, 2007 |
| 7214922 |
Semiconductor photosensor device and information apparatus with sensitivity region for wide dynamic range |
May. 8, 2007 |
| 7202463 |
Higher dynamic range image sensor with signal integration |
Apr. 10, 2007 |
| 7189962 |
Semiconductor relay apparatus and wiring board fabrication method |
Mar. 13, 2007 |
| 7155133 |
Avalanche photodiode controller circuit for fiber optics transceiver |
Dec. 26, 2006 |
| 7030355 |
Low power photomultiplier tube circuit and method therefor |
Apr. 18, 2006 |
| 6989526 |
Device for the optoelectronic detection of switching positions of a switching element |
Jan. 24, 2006 |
| 6903325 |
Method and apparatus for optically enabling a circuit component in a large scale integrated circuit |
Jun. 7, 2005 |
| 6895190 |
Switchable bandwidth lowpass filter |
May. 17, 2005 |
| 6884986 |
Vehicle signal control module and system |
Apr. 26, 2005 |
| 6849845 |
Low power integrating circuit for use with a photodetector and optical sensor including such an integrating circuit |
Feb. 1, 2005 |
| 6800839 |
Device for the optoelectronic detection of switching positions of a switching element |
Oct. 5, 2004 |
| 6759668 |
Photoconductive switch module and manufacturing method thereof |
Jul. 6, 2004 |
| 6720545 |
Photoelectric sensor, control method therefor and semiconductor integrated circuit therefor |
Apr. 13, 2004 |
| 6670597 |
Illumination sensor with spectral sensitivity corresponding to human luminosity characteristic |
Dec. 30, 2003 |
| 6600145 |
Electronic AC voltage switch |
Jul. 29, 2003 |
| 6538246 |
Variable resistance circuit, operational amplification circuit, semiconductor integrated circuit, time constant switching circuit and waveform shaping circuit |
Mar. 25, 2003 |
| 6534761 |
Image reader with a closed-state detector and image forming apparatus using same |
Mar. 18, 2003 |
| 6498335 |
Broad range light detection system |
Dec. 24, 2002 |
| 6410903 |
Analog signal processing circuit photo detector and image forming apparatus |
Jun. 25, 2002 |
| 6326605 |
Broad range light detection system |
Dec. 4, 2001 |
| 6166840 |
Electronic circuit for receiving and discriminating modulated light and an electronic price display comprising said circuit |
Dec. 26, 2000 |
| 6072573 |
Portable laser power measuring apparatus |
Jun. 6, 2000 |
| 6072328 |
IC devices with a built-in circuit for protecting internal information |
Jun. 6, 2000 |
| 6015970 |
Switch assembly incorporating optical control function |
Jan. 18, 2000 |
| 5770389 |
Apparatus and method for determining the quanity of an analyte in a biological sample by means of transmission photometry |
Jun. 23, 1998 |
| 5753927 |
Majority voted optical power switch |
May. 19, 1998 |
| 5736733 |
Light sensor circuit having a plurality of switches for selective connection between a detector and an output terminal in all combinations of a plurality of detectors and a plurality of output |
Apr. 7, 1998 |
| 5665961 |
Photoelectric switch for use with a machine control circuit |
Sep. 9, 1997 |
| 5594238 |
Touchless switch which discriminates between motion intended to toggle the switch and other forms of motion |
Jan. 14, 1997 |
| 5563406 |
Optical sensor and a method of operating an optical sensor having an electronic switching circuit |
Oct. 8, 1996 |
| 5559466 |
Semiconductor relay for transmitting high frequency signals |
Sep. 24, 1996 |
| 5532472 |
Photoelectric switch monitoring the duration of pulsed light to prevent false signals due to ambient conditions |
Jul. 2, 1996 |
| 5408087 |
Image intensifier gain uniformity improvements in sealed tubes by selective scrubbing |
Apr. 18, 1995 |
| 5394063 |
Video light apparatus |
Feb. 28, 1995 |
| 5252820 |
Photoelectric conversion circuit having a tuning circuit and changeover switcher |
Oct. 12, 1993 |
| 5159409 |
Substrate machining verifier |
Oct. 27, 1992 |
| 5136353 |
Optical switch |
Aug. 4, 1992 |
