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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 |
| 5815534 |
Detector of carrier loss in a fax modem |
Sep. 29, 1998 |
| 5809407 |
Receiver, an arrangement and a method for comparing two signals |
Sep. 15, 1998 |
| 5805641 |
Threshold setting device |
Sep. 8, 1998 |
| 5805639 |
Adaptive network |
Sep. 8, 1998 |
| 5802108 |
Waveform correction apparatus |
Sep. 1, 1998 |
| 5790613 |
Cycle slip detector and phase locked loop circuit and digital signal reproducing apparatus using the same |
Aug. 4, 1998 |
| 5778030 |
Method and apparatus for power control in a communication system |
Jul. 7, 1998 |
| 5768318 |
Signal processor |
Jun. 16, 1998 |
| 5764703 |
Circuit for restoring bits transmitted asynchronously |
Jun. 9, 1998 |
| 5761246 |
Circuit for multiplexing a plurality of signals on one transmission line between chips |
Jun. 2, 1998 |
| 5754595 |
Demodulated radio signals |
May. 19, 1998 |
| 5748680 |
Coarse frequency burst detector for a wireline communications system |
May. 5, 1998 |
| 5729373 |
Reproducing circuit of monitor signal |
Mar. 17, 1998 |
| 5710795 |
Received signal decision apparatus for digital modulated signal receiver |
Jan. 20, 1998 |
| 5706222 |
Multiple mode peak detector |
Jan. 6, 1998 |
| 5699011 |
DC offset compensation method and apparatus |
Dec. 16, 1997 |
| 5689504 |
Mobile radio communication system and channel control method therefor |
Nov. 18, 1997 |
| 5675283 |
Pilot recovery and polarity detection system |
Oct. 7, 1997 |
| 5663987 |
Digital signal receiver device comprising filtering means |
Sep. 2, 1997 |
| 5652767 |
Data decision circuit used in optical parallel receiving module, optical parallel receiving module, optical parallel transmission system and terminal structure of optical transmission fiber |
Jul. 29, 1997 |
| 5638375 |
AGC isolation of information in TDMA systems |
Jun. 10, 1997 |
| 5638400 |
Receiver |
Jun. 10, 1997 |
| 5627860 |
Peak and valley detector for a selective call receiving device |
May. 6, 1997 |
| 5623376 |
Digital information restoring device including period detector |
Apr. 22, 1997 |
| 5621767 |
Method and device for locking on a carrier signal by dividing frequency band into segments for segment signal quality determination and selecting better signal quality segment |
Apr. 15, 1997 |
| 5621765 |
Detector of the presence of a transmission in a modem |
Apr. 15, 1997 |
| 5621764 |
Soft decision signal outputting receiver |
Apr. 15, 1997 |
| 5604768 |
Frequency synchronized bidirectional radio system |
Feb. 18, 1997 |
| 5602876 |
Advanced parameter encoder with pulse-on-pulse detection and pulse fragment reconstruction |
Feb. 11, 1997 |
| 5600679 |
Burst signal receiving apparatus with different holding times of threshold signal |
Feb. 4, 1997 |
| 5598438 |
Cordless telecommunication apparatus |
Jan. 28, 1997 |
| 5583934 |
DC level control for an electronic telephone line card |
Dec. 10, 1996 |
| 5548244 |
Method and apparatus for eliminating DC offset for digital I/Q demodulators |
Aug. 20, 1996 |
| 5539779 |
Automatic offset control circuit for digital receiver |
Jul. 23, 1996 |
| 5539778 |
Reception comparator |
Jul. 23, 1996 |
| 5533058 |
Method and apparatus for low current RF signal detection |
Jul. 2, 1996 |
| 5533047 |
Threshold detector for digital radio transmission systems, devices comprising a threshold detector of this kind and corresponding utilization |
Jul. 2, 1996 |
| 5521941 |
Automatic threshold control for multi-level signals |
May. 28, 1996 |
| 5508855 |
Tracking threshold circuit for peak detection |
Apr. 16, 1996 |
| 5502746 |
Dual stage differential adaptive peak detector for data communications receivers |
Mar. 26, 1996 |
| 5490174 |
Digital data receiver |
Feb. 6, 1996 |
| 5490175 |
Method and apparatus for detecting binary encoded data |
Feb. 6, 1996 |
| 5483289 |
Data slicing circuit and method |
Jan. 9, 1996 |
| 5475342 |
Amplifier for stably maintaining a constant output |
Dec. 12, 1995 |
| 5469464 |
Transmission system for transmitting signals in a burst mode |
Nov. 21, 1995 |
| 5463423 |
Auxiliary video data detector and data slicer |
Oct. 31, 1995 |
| 5461340 |
Amplitude demodulator for radio receivers to compensate for field strength influence |
Oct. 24, 1995 |
| 5459762 |
Variable multi-threshold detection for 0.3-GMSK |
Oct. 17, 1995 |
| 5455845 |
Microwave receiver having coherent threshold detection |
Oct. 3, 1995 |
| 5446761 |
Decoder circuit for phase modulated signals |
Aug. 29, 1995 |
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