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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 |
| 6798832 |
Semiconductor device with decision feedback equalizer |
Sep. 28, 2004 |
| 6785344 |
Fast threshold determination for packet-multiplexed digital communication |
Aug. 31, 2004 |
| 6771712 |
System for extracting a clock signal and a digital data signal from a modulated carrier signal in receiver |
Aug. 3, 2004 |
| 6768876 |
Method and apparatus for tracking an optical communications system |
Jul. 27, 2004 |
| 6763244 |
Method and apparatus for adjusting power control setpoint in a wireless communication system |
Jul. 13, 2004 |
| 6748007 |
Method of processing a pulse response with an adaptive threshold and corresponding receiver |
Jun. 8, 2004 |
| 6737995 |
Clock and data recovery with a feedback loop to adjust the slice level of an input sampling circuit |
May. 18, 2004 |
| 6738646 |
Base station device and method for communication |
May. 18, 2004 |
| 6731230 |
Method to smooth transitions in an ADC for current regulation |
May. 4, 2004 |
| 6724247 |
FM demodulator having DC offset compensation |
Apr. 20, 2004 |
| 6724834 |
Threshold detector for detecting synchronization signals at correlator output during packet acquisition |
Apr. 20, 2004 |
| 6718138 |
Digital-signal quality monitoring method and communications apparatus using this method |
Apr. 6, 2004 |
| 6700921 |
Spread-spectrum communication apparatus |
Mar. 2, 2004 |
| 6686861 |
Slice circuit capable of accurate conversion of an analog signal to a digital signal |
Feb. 3, 2004 |
| 6680984 |
Data slicer with digitally-controlled reference |
Jan. 20, 2004 |
| 6665526 |
Multipath noise reducer, audio output circuit, and FM receiver |
Dec. 16, 2003 |
| 6664849 |
Digital FM demodulator performing amplitude compensation |
Dec. 16, 2003 |
| 6633752 |
Base band signal offset correcting circuit for FSK receiving apparatus and method thereof |
Oct. 14, 2003 |
| 6618436 |
Digital base-band receiver |
Sep. 9, 2003 |
| 6608710 |
Automatic gain control circuit and optical receiver |
Aug. 19, 2003 |
| 6597238 |
Demodulating circuit of wireless receiving apparatus and demodulating method |
Jul. 22, 2003 |
| 6570934 |
Single-end-zero receiver circuit |
May. 27, 2003 |
| 6560272 |
Decode circuit for code division multiple access receiver |
May. 6, 2003 |
| 6556635 |
Communications receiver having adaptive dynamic range |
Apr. 29, 2003 |
| 6529564 |
Data pulse receiver |
Mar. 4, 2003 |
| 6529563 |
Method and apparatus for providing a self-sustaining precision voltage and current feedback biasing loop |
Mar. 4, 2003 |
| 6510190 |
Method and apparatus for estimating fading distortion of a signal propagating in a communication channel |
Jan. 21, 2003 |
| 6496548 |
Apparatus and method for decoding asynchronous data using derivative calculation |
Dec. 17, 2002 |
| 6493401 |
Receiving circuit and method for a controlled area network system |
Dec. 10, 2002 |
| 6490326 |
Method and apparatus to correct for in-phase and quadrature-phase gain imbalance in communication circuitry |
Dec. 3, 2002 |
| 6476954 |
Optical communication device and receiving circuit thereof |
Nov. 5, 2002 |
| 6456669 |
Data communication method, transmitter, and cellular radio communication system |
Sep. 24, 2002 |
| 6442383 |
Demodulator and digital wireless communication receiver |
Aug. 27, 2002 |
| 6438178 |
Integrated circuit for receiving a data stream |
Aug. 20, 2002 |
| 6415003 |
Digital baseline wander correction circuit |
Jul. 2, 2002 |
| 6385238 |
Adaptive equalization and baseline wander correction circuit |
May. 7, 2002 |
| 6377633 |
Apparatus and method for decoding asynchronous data |
Apr. 23, 2002 |
| 6374035 |
Signal processing device |
Apr. 16, 2002 |
| 6359941 |
System and method for improved reference threshold setting in a burst mode digital data receiver |
Mar. 19, 2002 |
| 6356606 |
Device and method for limiting peaks of a signal |
Mar. 12, 2002 |
| 6349121 |
Baseband data slicing method and apparatus |
Feb. 19, 2002 |
| 6335815 |
Optical receiver |
Jan. 1, 2002 |
| 6304828 |
System and method for calibrating a signal detection threshold circuit |
Oct. 16, 2001 |
| 6298098 |
Burst demodulator for use in high speed bidirectional digital cable transmission system |
Oct. 2, 2001 |
| 6289057 |
Method and apparatus for energy detection in a modem |
Sep. 11, 2001 |
| 6249556 |
Dynamic thresholding for input receivers |
Jun. 19, 2001 |
| 6208696 |
Low power density radio system |
Mar. 27, 2001 |
| 6205172 |
Fade margin measurement in a radio system |
Mar. 20, 2001 |
| 6191879 |
Offset control for burst-mode optical receiver |
Feb. 20, 2001 |
| 6188738 |
Clock extraction circuit |
Feb. 13, 2001 |
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