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Class Information
Number: 250/214A
Name: Radiant energy > Photocells; circuits and apparatus > Photocell controlled circuit > Special photocell or electron tube circuits > Amplifier type
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7460788 |
Transmitting and receiving device |
Dec. 2, 2008 |
| 7459667 |
Active pixel image sensor with common gate amplifier mode |
Dec. 2, 2008 |
| 7460792 |
Receiving circuit and electronic apparatus for optical communication |
Dec. 2, 2008 |
| 7456382 |
Load sensor, method of detecting load and pedestrian protection system |
Nov. 25, 2008 |
| 7453054 |
Method and apparatus for calibrating parallel readout paths in imagers |
Nov. 18, 2008 |
| 7449670 |
Amplifier circuit and optical pickup device |
Nov. 11, 2008 |
| 7449669 |
Receiving apparatus |
Nov. 11, 2008 |
| 7442911 |
Photodector including photodiodes having improved dynamic range, s/n ratio and speed of light detection |
Oct. 28, 2008 |
| 7442912 |
Optical logic device responsive to pulsed signals |
Oct. 28, 2008 |
| 7442913 |
Photocurrent amplifier circuit and optical pick-up device |
Oct. 28, 2008 |
| 7439481 |
In-situ power monitor having an extended range to stabilize gain of avalanche photodiodes across temperature variations |
Oct. 21, 2008 |
| 7439480 |
Regulated current mirror |
Oct. 21, 2008 |
| 7436342 |
Numerical full well capacity extension for photo sensors with an integration capacitor in the readout circuit using two and four phase charge subtraction |
Oct. 14, 2008 |
| 7435938 |
Optical packet communication device with an applied negative voltage for canceling an offset voltage |
Oct. 14, 2008 |
| 7432493 |
Solid-state image-pickup device with column-line amplifiers and limiter |
Oct. 7, 2008 |
| 7427738 |
Light-receiving amplifier and optical pickup device |
Sep. 23, 2008 |
| 7423259 |
Mass spectrometer and method for enhancing dynamic range |
Sep. 9, 2008 |
| 7420152 |
Wide-range linear output photo sensor circuit |
Sep. 2, 2008 |
| 7414234 |
Measurement of burst mode optical power over multiple bursts |
Aug. 19, 2008 |
| 7411179 |
Photodetector module with impedance matching |
Aug. 12, 2008 |
| 7408138 |
Analog-to-digital converter with noise compensation in CMOS image sensor |
Aug. 5, 2008 |
| 7408141 |
Light-receiving amplifier circuit and optical pick-up device using the same |
Aug. 5, 2008 |
| 7406268 |
Optical receiver circuit |
Jul. 29, 2008 |
| 7394995 |
System and method for a compact optical receiver with wide dynamic range |
Jul. 1, 2008 |
| 7394054 |
Photoelectric converter and a method of driving the same |
Jul. 1, 2008 |
| 7394055 |
Solid-state image-pickup device with column-line amplifiers and limiter |
Jul. 1, 2008 |
| 7391005 |
Direct attach optical receiver module and method of testing |
Jun. 24, 2008 |
| 7391408 |
Adjustable apparatus in display devices for automatic adjusting brightness |
Jun. 24, 2008 |
| 7388435 |
Linearized trans-impedance amplifier |
Jun. 17, 2008 |
| 7385170 |
Ambient light suppression circuit for photodiode receiver applications |
Jun. 10, 2008 |
| 7378674 |
Magnetic verification system for bill acceptor |
May. 27, 2008 |
| 7376359 |
Digital regulated light receive module and regulation method |
May. 20, 2008 |
| 7373091 |
Multicasting optical switch fabric and method of detection based on novel heterodyne receiver |
May. 13, 2008 |
| 7361881 |
Ganged detector pixel, photon/pulse counting radiation imaging device |
Apr. 22, 2008 |
| 7339151 |
Image pickup device with time division output of pixel signal and inverted pixel signal |
Mar. 4, 2008 |
| 7339154 |
Level detector |
Mar. 4, 2008 |
| 7335872 |
Photocurrent amplifier circuit and optical pick-up device |
Feb. 26, 2008 |
| 7336214 |
Analog to digital converter circuit with offset reduction and image sensor using the same |
Feb. 26, 2008 |
| 7330668 |
Low noise light receiver |
Feb. 12, 2008 |
| 7327458 |
Spectral sensitivity composing system |
Feb. 5, 2008 |
| 7321111 |
Method and system to enhance differential dynamic range and signal/noise in CMOS range finding systems using differential sensors |
Jan. 22, 2008 |
| 7319423 |
Multi-mode ADC and its application to CMOS image sensors |
Jan. 15, 2008 |
| 7319221 |
Light-receiving device, optical pickup, and optical disc apparatus |
Jan. 15, 2008 |
| 7319220 |
Trans-impedance amplifier with offset current |
Jan. 15, 2008 |
| 7304289 |
Intensity detector circuitry having plural gain elements in a cascade with plural threshold values |
Dec. 4, 2007 |
| 7304287 |
Solid-state image pickup device and output method thereof |
Dec. 4, 2007 |
| 7304542 |
Photo-receiving amplifier element, optical pickup unit, and optical disk device |
Dec. 4, 2007 |
| 7298978 |
Method and apparatus for optimizing decision level of signal output from optical receiver |
Nov. 20, 2007 |
| 7297921 |
Photodetection circuit and confocal microscope that has it |
Nov. 20, 2007 |
| 7297917 |
Readout technique for increasing or maintaining dynamic range in image sensors |
Nov. 20, 2007 |
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