| |
 |
|
Class Information
Number: 250/208.4
Name: Radiant energy > Photocells; circuits and apparatus > Photocell controlled circuit > Plural photosensitive nonimage detecting elements > Used to switch an electrical circuit or device on or off
Description: Subject matter in which plural photocells are, by disclosure, used to generate signals which are used to switch all or just part of an electrical circuit on or off.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7415338 |
Apparatus for controlling auxiliary equipment of vehicle |
Aug. 19, 2008 |
| 7388189 |
System and method for connecting electrical devices using fiber optic serial communication |
Jun. 17, 2008 |
| 7335871 |
Low power switching for antenna reconfiguration |
Feb. 26, 2008 |
| 7214922 |
Semiconductor photosensor device and information apparatus with sensitivity region for wide dynamic range |
May. 8, 2007 |
| 7164110 |
Diode-based light sensors and methods |
Jan. 16, 2007 |
| 7138903 |
Lock module using colored light rays to identify the application of an accurate key |
Nov. 21, 2006 |
| 7116459 |
Field diode detection of excess light conditions for spatial light modulator |
Oct. 3, 2006 |
| 7079189 |
Image sensing apparatus |
Jul. 18, 2006 |
| 6927924 |
Imaging optical instrument |
Aug. 9, 2005 |
| 6816647 |
Compact fiber pigtailed terahertz modules |
Nov. 9, 2004 |
| 6774396 |
Thin film transistor type optical sensor |
Aug. 10, 2004 |
| 6614013 |
Illumination management system |
Sep. 2, 2003 |
| 6366365 |
Waveguide array-based image sensor for document scanner scan head |
Apr. 2, 2002 |
| 6118115 |
Photoelectric conversion apparatus |
Sep. 12, 2000 |
| 6114684 |
Laser listening device detector |
Sep. 5, 2000 |
| 5998779 |
Photoelectric conversion apparatus |
Dec. 7, 1999 |
| 5963135 |
Proximity detecting device |
Oct. 5, 1999 |
| 5914664 |
Optically sensing auxiliary switch |
Jun. 22, 1999 |
| 5894175 |
Photo-control apparatus and circuit |
Apr. 13, 1999 |
| 5793906 |
Switching using optical tunnels |
Aug. 11, 1998 |
| 5646596 |
Interactive window display |
Jul. 8, 1997 |
| 5563406 |
Optical sensor and a method of operating an optical sensor having an electronic switching circuit |
Oct. 8, 1996 |
| 5555136 |
Interior rearview mirror for motorized vehicles |
Sep. 10, 1996 |
| 5522167 |
Switch apparatus |
Jun. 4, 1996 |
| 5401953 |
Optically-switched submillimeter-wave oscillator and radiator having a switch-to-switch propagation delay |
Mar. 28, 1995 |
| 5382791 |
Dual mode switch for handicapped |
Jan. 17, 1995 |
| 5347418 |
Fuse blowout detector circuit |
Sep. 13, 1994 |
| 5341133 |
Keyboard having touch sensor keys for conveying information electronically |
Aug. 23, 1994 |
| 5313056 |
Electronically controlled frequency agile impulse device |
May. 17, 1994 |
| 5281808 |
Device for the non-contact control of a sanitary fitting |
Jan. 25, 1994 |
| 5256913 |
Low power optoelectronic device and method |
Oct. 26, 1993 |
| 5223728 |
Optical switch integrated circuit |
Jun. 29, 1993 |
| 5214275 |
Optically controlled microwave switch and signal switching system |
May. 25, 1993 |
| 5189296 |
Optical receiver having a low capacitance integrated photodetector |
Feb. 23, 1993 |
| 5179269 |
Bar code reader having an automatically actuated visible light laser beam |
Jan. 12, 1993 |
| 5164768 |
Method and apparatus for converting a conventional copier into an electronic printer |
Nov. 17, 1992 |
| 5126552 |
Infrated matrix sensor with signal multiplexing |
Jun. 30, 1992 |
| 5055668 |
Photo-sensor cell suitable for IC chip |
Oct. 8, 1991 |
| 5053789 |
Optically-switched thermal printhead system |
Oct. 1, 1991 |
| 5047621 |
Radial transmission line for waveform generation and power accumulation |
Sep. 10, 1991 |
| 5012085 |
Self adaptive and shadow sensitive electronic musical instrument |
Apr. 30, 1991 |
| 4968875 |
Cell for a medium or high tension metaclad station, and a station made up of such cells |
Nov. 6, 1990 |
| 4929829 |
Method for detecting flooding of a surface |
May. 29, 1990 |
| 4914283 |
Circuit arrangement for evaluating the output of a photodiode unit |
Apr. 3, 1990 |
| 4906832 |
Light sensitive activator |
Mar. 6, 1990 |
| 4886361 |
Flat tactile sensor |
Dec. 12, 1989 |
| 4857895 |
Combined scatter and light obscuration smoke detector |
Aug. 15, 1989 |
| 4760772 |
Vehicle air-conditioning control apparatus |
Aug. 2, 1988 |
| 4751383 |
Method and apparatus for detection of position with correction of errors caused by errors in scale pitch |
Jun. 14, 1988 |
| 4713539 |
Photoelectric controller device including brushes |
Dec. 15, 1987 |
|
|
|
