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Class Information
Number: 327/307
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Amplitude control > Baseline or dc offset correction
Description: Subject matter wherein the drift of a reference direct current component of a signal is compensated.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612600 |
DC offset calibration apparatus and method |
Nov. 3, 2009 |
| 7592848 |
Offset adjusting apparatus |
Sep. 22, 2009 |
| 7580288 |
Multi-level voltage adjustment |
Aug. 25, 2009 |
| 7567628 |
Symmetric differential slicer |
Jul. 28, 2009 |
| 7560969 |
Receiver of high speed digital interface |
Jul. 14, 2009 |
| 7554376 |
Offset correcting method, offset correcting circuit, and electronic volume |
Jun. 30, 2009 |
| 7555079 |
Method and corresponding arrangement for DC offset compensation using channel estimation |
Jun. 30, 2009 |
| 7551023 |
Amplifier with low pass filter feedback |
Jun. 23, 2009 |
| 7541856 |
Baseline wandering correction device and related method |
Jun. 2, 2009 |
| 7538595 |
DC offset canceling circuit |
May. 26, 2009 |
| 7525365 |
System and method for providing an offset voltage minimization circuit |
Apr. 28, 2009 |
| 7525746 |
DC-offset compensation loops for magnetic recording system |
Apr. 28, 2009 |
| 7525366 |
Offset compensation using non-uniform calibration |
Apr. 28, 2009 |
| 7514978 |
Terminated input buffer with offset cancellation circuit |
Apr. 7, 2009 |
| 7511549 |
Compact high-speed, high-resolution comparator structure |
Mar. 31, 2009 |
| 7501873 |
Digitally controlled threshold adjustment circuit |
Mar. 10, 2009 |
| 7498850 |
Compensated comparator for use in lower voltage, higher speed non-volatile memory |
Mar. 3, 2009 |
| 7489741 |
System and method to perform DC compensation on a radio frequency burst in a cellular wireless network |
Feb. 10, 2009 |
| 7471119 |
Electronic circuit device |
Dec. 30, 2008 |
| 7466193 |
Device and method of eliminating DC offset |
Dec. 16, 2008 |
| 7457379 |
Adaptive multi-step combined DC offset compensation for EDGE 8-PSK |
Nov. 25, 2008 |
| 7453305 |
Voltage level shifting circuit, a differential input stage circuit, and a method for providing a level shifted differential signal to a differential input buffer circuit |
Nov. 18, 2008 |
| 7453306 |
Pulse shaping circuit |
Nov. 18, 2008 |
| 7443941 |
Method and system for phase offset cancellation in systems using multi-phase clocks |
Oct. 28, 2008 |
| 7444268 |
Method and apparatus for identifying a drift in a quantized signal in a computer system |
Oct. 28, 2008 |
| 7436236 |
Analog DC compensation |
Oct. 14, 2008 |
| 7423479 |
Offset canceller for compensating for offset in signal output |
Sep. 9, 2008 |
| 7411446 |
DC offset cancellation circuit |
Aug. 12, 2008 |
| 7408395 |
Circuits and methods for fast-settling signal alignment and DC offset removal |
Aug. 5, 2008 |
| 7408390 |
DC to DC converter and voltage detecting circuit and current detecting circuit thereof |
Aug. 5, 2008 |
| 7403059 |
Baseline wandering correction device and method |
Jul. 22, 2008 |
| 7397295 |
Active current cancellation for high performance video clamps |
Jul. 8, 2008 |
| 7382166 |
Signal amplification device |
Jun. 3, 2008 |
| 7375572 |
Clamping circuit |
May. 20, 2008 |
| 7368968 |
Signal offset cancellation |
May. 6, 2008 |
| 7355471 |
Circuit for DC offset cancellation |
Apr. 8, 2008 |
| 7352307 |
Comparator chain offset reduction |
Apr. 1, 2008 |
| 7352225 |
DC offset reduction circuit and method |
Apr. 1, 2008 |
| 7348824 |
Auto-zero circuit |
Mar. 25, 2008 |
| 7348838 |
Method and system for DC offset cancellation from a modulated signal |
Mar. 25, 2008 |
| 7336124 |
Operational amplifier, line driver, and liquid crystal display device |
Feb. 26, 2008 |
| RE40038 |
Latch-up recovery in quantized feedback DC restorer circuits |
Jan. 29, 2008 |
| 7321251 |
Bias circuit and method of producing semiconductor device |
Jan. 22, 2008 |
| 7321259 |
Programmable logic enabled dynamic offset cancellation |
Jan. 22, 2008 |
| 7301391 |
Filtering variable offset amplifier |
Nov. 27, 2007 |
| 7286312 |
DC-offset compensation loops for magnetic recording system |
Oct. 23, 2007 |
| 7279951 |
DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation cir |
Oct. 9, 2007 |
| 7266160 |
Method for joint DC offset correction and channel coefficient estimation in a receiver |
Sep. 4, 2007 |
| 7265640 |
Circuit approach for common mode control in high-frequency clocks |
Sep. 4, 2007 |
| 7265611 |
Self zeroing for critical, continuous-time applications |
Sep. 4, 2007 |
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