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Class Information
Number: 375/317
Name: Pulse or digital communications > Receivers > Automatic baseline or threshold adjustment
Description: Subject matter where the received signal is compared to a reference voltage or current level, the reference level being automatically adjusted.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7228120 |
Circuit and method for reducing direct current biases |
Jun. 5, 2007 |
| 7218688 |
Data slicer |
May. 15, 2007 |
| 7218686 |
Decision threshold voltage control circuit and decision threshold voltage controlling method of clock and data recovery circuit, optical receiver, and decision threshold voltage control progra |
May. 15, 2007 |
| 7218687 |
Receiver with baseline wander correction and correction method thereof |
May. 15, 2007 |
| 7215720 |
Method for compensating baseline wander of a transmission signal and related circuit |
May. 8, 2007 |
| 7215721 |
Method and system for decoding multilevel signals |
May. 8, 2007 |
| 7212749 |
Signal receiver having wide band amplification capability |
May. 1, 2007 |
| 7212580 |
Multi-level signal clock recovery technique |
May. 1, 2007 |
| 7206360 |
Amplitude deviation correction circuit |
Apr. 17, 2007 |
| 7197090 |
Adaptive decision regions and metrics |
Mar. 27, 2007 |
| 7194018 |
Apparatus for searching multipath in spread spectrum communications system and method thereof |
Mar. 20, 2007 |
| 7177373 |
Continuous self-calibration of internal analog signals |
Feb. 13, 2007 |
| 7158482 |
Method and apparatus for preventing received data from corrupting previously processed data in a wireless communications system |
Jan. 2, 2007 |
| 7155134 |
Pulse amplitude modulated transmission scheme for optical channels with soft decision decoding |
Dec. 26, 2006 |
| 7136435 |
Modified branch metrics for processing soft decisions to account for phase noise impact on cluster variance |
Nov. 14, 2006 |
| 7099395 |
Reducing coupled noise in pseudo-differential signaling systems |
Aug. 29, 2006 |
| 7092435 |
Line quality monitoring apparatus and method |
Aug. 15, 2006 |
| 7076003 |
Constellation design for modem receiver |
Jul. 11, 2006 |
| 7072618 |
Adaptive threshold selection system and method for detection of a signal in the presence of interference |
Jul. 4, 2006 |
| 7061995 |
Apparatus and method to generate an adaptive slicer threshold for binary data |
Jun. 13, 2006 |
| 7061542 |
Television receiving method and television receiver |
Jun. 13, 2006 |
| 7054395 |
Automatic gain control for digital demodulation apparatus |
May. 30, 2006 |
| 7054387 |
Feed-forward/feedback system and method for non-causal channel equalization |
May. 30, 2006 |
| 7046742 |
System and method for temporal analysis of serial data |
May. 16, 2006 |
| 7043203 |
Process for re-transmitting single frequency signals and a single frequency signal repeater |
May. 9, 2006 |
| 7042961 |
Full rate error detection circuit for use with external circuitry |
May. 9, 2006 |
| 7035349 |
Signal compensation circuit and demodulating circuit with high-speed and low-speed feedback loops |
Apr. 25, 2006 |
| 7003057 |
Reception AGC circuit |
Feb. 21, 2006 |
| 6993100 |
Burst detector |
Jan. 31, 2006 |
| 6980774 |
Radio frequency integrated circuit |
Dec. 27, 2005 |
| 6977971 |
Digital data transmission system with device for correcting baseline wander |
Dec. 20, 2005 |
| 6977970 |
Data reproducing apparatus and method for improving detection performance by adjusting decision levels used in data detector |
Dec. 20, 2005 |
| 6961390 |
Systems and methods for non-casual channel equalization in an asymmetrical noise environment |
Nov. 1, 2005 |
| 6956905 |
Peak detector circuit |
Oct. 18, 2005 |
| 6947496 |
Method for refining a DC-offset estimate and removing the DC-offset |
Sep. 20, 2005 |
| 6947495 |
Method for estimating and removing a time-varying DC-offset |
Sep. 20, 2005 |
| 6928249 |
Fiber optic receiver with an adjustable response preamplifier |
Aug. 9, 2005 |
| 6925170 |
Wire-bound telecommunication device and a circuit for use in such a device |
Aug. 2, 2005 |
| 6915083 |
Signal receiver having wide band amplification capability |
Jul. 5, 2005 |
| 6915076 |
System and method for adaptively selecting a signal threshold of an optical link |
Jul. 5, 2005 |
| 6898253 |
Method and apparatus for an accurate slicer that can rapidly adjust to an offset |
May. 24, 2005 |
| 6879645 |
Method and apparatus for dynamically varying the noise sensitivity of a receiver |
Apr. 12, 2005 |
| 6879644 |
Method and apparatus for automatically determining a peak voltage level for a data signal propagated on a carrier medium |
Apr. 12, 2005 |
| 6873662 |
Wireless communication system having adaptive threshold for timing deviation measurement and method |
Mar. 29, 2005 |
| 6871304 |
Method and apparatus for adjusting receiver voltage threshold and phase sampling point using FEC counts |
Mar. 22, 2005 |
| 6862413 |
Compensation for polarization mode dispersion in single mode fiber |
Mar. 1, 2005 |
| 6842489 |
Coherent adaptive calibration system and method |
Jan. 11, 2005 |
| 6833743 |
Adjustment of a clock duty cycle |
Dec. 21, 2004 |
| 6823024 |
Compensation circuit and method for compensating for an offset |
Nov. 23, 2004 |
| 6819880 |
Loss of signal detection circuit for light receiver |
Nov. 16, 2004 |
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