| |
 |
|
Class Information
Number: 250/214LS
Name: Radiant energy > Photocells; circuits and apparatus > Photocell controlled circuit > Special photocell or electron tube circuits > Amplifier type > Light amplifier type > Switching type
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7411172 |
Method and apparatus for resetting a high speed latch circuit |
Aug. 12, 2008 |
| 7408141 |
Light-receiving amplifier circuit and optical pick-up device using the same |
Aug. 5, 2008 |
| 7406018 |
Signal generating circuit and optical pickup device provided therewith |
Jul. 29, 2008 |
| 7391408 |
Adjustable apparatus in display devices for automatic adjusting brightness |
Jun. 24, 2008 |
| 7388186 |
Optically controlled MEMS devices |
Jun. 17, 2008 |
| 7368700 |
Optical switch apparatus and optical switching system |
May. 6, 2008 |
| 7345270 |
Photocontrol with radio-controlled timer and a decoder |
Mar. 18, 2008 |
| 7319221 |
Light-receiving device, optical pickup, and optical disc apparatus |
Jan. 15, 2008 |
| 7167655 |
Measurement system for wide dynamic range optical power meter |
Jan. 23, 2007 |
| 7129463 |
Photocurrent sensing circuit having stabilized feedback loop |
Oct. 31, 2006 |
| 7098438 |
Method and apparatus for resetting a high speed latch circuit |
Aug. 29, 2006 |
| 7091467 |
Image sensor |
Aug. 15, 2006 |
| 6984815 |
Electronic pulse detection apparatus and electronic pulse detection chip |
Jan. 10, 2006 |
| 6895190 |
Switchable bandwidth lowpass filter |
May. 17, 2005 |
| 6815658 |
Testing circuit for charge detection circuit, LSI, image sensor, and testing method for the charge detection circuit |
Nov. 9, 2004 |
| 6815655 |
Method and apparatus for sequencing power in a photodetector circuit |
Nov. 9, 2004 |
| 6809308 |
Photodetector and photodetecting system capable of detecting information about the two-dimensional intensity distribution and wavelength distribution of incident light |
Oct. 26, 2004 |
| 6803559 |
Optically controlled MEM switches |
Oct. 12, 2004 |
| 6777665 |
High frequency optical signal sampling device |
Aug. 17, 2004 |
| 6765189 |
Small form factor in-line switched multichannel fiber optic power monitoring apparatus |
Jul. 20, 2004 |
| 6765188 |
Method and apparatus for converting the output of a photodetector to log voltage |
Jul. 20, 2004 |
| 6756577 |
Light detector and light detecting IC therefor |
Jun. 29, 2004 |
| 6740807 |
Light-receiving device and image sensor |
May. 25, 2004 |
| 6707025 |
High dynamic range receiver |
Mar. 16, 2004 |
| 6696680 |
Variable resistance circuit, operational amplification circuit and semiconductor integrated circuit |
Feb. 24, 2004 |
| 6646250 |
Method and system for information transfer and replication between spatially distinct points via engineered quantum states |
Nov. 11, 2003 |
| 6639205 |
Optically controlled MEM switches |
Oct. 28, 2003 |
| 6600146 |
Photoelectric switches |
Jul. 29, 2003 |
| 6593564 |
Photo switching device having a control circuit with a gate controlled device |
Jul. 15, 2003 |
| 6590198 |
Video bus for high speed multi-resolution imagers |
Jul. 8, 2003 |
| 6501064 |
Image sensor with active sensor elements |
Dec. 31, 2002 |
| 6495816 |
Method and apparatus for converting the output of a photodetector to a log voltage |
Dec. 17, 2002 |
| 6486945 |
Method and circuit arrangement for measuring the light output of an emitter diode of an optical monitoring unit |
Nov. 26, 2002 |
| 6403943 |
Variable resistance circuit, operational amplification circuit, semiconductor integrated circuit, time constant switching circuit and waveform shaping circuit |
Jun. 11, 2002 |
| 6350979 |
CMOS image sensor with high quantum efficiency |
Feb. 26, 2002 |
| 6310339 |
Optically controlled MEM switches |
Oct. 30, 2001 |
| 6300614 |
Communication system using gravitational waves |
Oct. 9, 2001 |
| 6263124 |
Photoconductive switch |
Jul. 17, 2001 |
| 6252221 |
Photo-conductive switch having an improved semiconductor structure |
Jun. 26, 2001 |
| 6248992 |
High gain photoconductive semiconductor switch having tailored doping profile zones |
Jun. 19, 2001 |
| 6246044 |
Switched electrical pulse propagation sampler |
Jun. 12, 2001 |
| 6201234 |
Optical operational amplifier |
Mar. 13, 2001 |
| 6194699 |
Photoconductive switch with multiple layers |
Feb. 27, 2001 |
| 6128110 |
Apparatus for optical signal processing |
Oct. 3, 2000 |
| 6078111 |
Photovoltaic optoelectronic switch |
Jun. 20, 2000 |
| 6075251 |
Optical transmitter data compression system |
Jun. 13, 2000 |
| 6069365 |
Optical processor based imaging system |
May. 30, 2000 |
| 6028301 |
Method for controlling a micro electro-mechanical systems and verifying the state thereof using light |
Feb. 22, 2000 |
| 6020593 |
Opsistor transmitter data compression system |
Feb. 1, 2000 |
| 5969336 |
Radiation sensor arrangement for detecting the frequency of radiation impinging thereon |
Oct. 19, 1999 |
|
|
|
