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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 |
| 4388646 |
Low-distortion detection of pulses superimposed on an unknown and variable background signal |
Jun. 14, 1983 |
| 4387465 |
Sequential threshold detector |
Jun. 7, 1983 |
| 4358790 |
Electrical data pulse slicing |
Nov. 9, 1982 |
| 4352193 |
Intended value determination system |
Sep. 28, 1982 |
| 4327440 |
Signal detector for use in digital communication |
Apr. 27, 1982 |
| 4318128 |
Process and device for retrieving digital data in the presence of noise and distortions |
Mar. 2, 1982 |
| 4309772 |
Soft quantizer for FM radio binary digital signaling |
Jan. 5, 1982 |
| 4280219 |
Digital memory system |
Jul. 21, 1981 |
| 4272845 |
Receiver for data-transmission system operating with single-sideband amplitude modulation |
Jun. 9, 1981 |
| 4270208 |
Threshold generator |
May. 26, 1981 |
| 4241312 |
Self-calibrating threshold detector |
Dec. 23, 1980 |
| 4237424 |
Gated baseline corrector |
Dec. 2, 1980 |
| 4224689 |
Apparatus for smoothing transmission errors |
Sep. 23, 1980 |
| 4203070 |
Pseudo-random-number code detection and tracking system |
May. 13, 1980 |
| 4185172 |
Method of and means for detecting digitized multi frequency-coded signals |
Jan. 22, 1980 |
| 4161628 |
Technique for tracking amplitude fades for multi-amplitude signalling |
Jul. 17, 1979 |
| 4157509 |
Variable reference signal generating circuit and analog comparator utilizing hysteresis |
Jun. 5, 1979 |
| 4125812 |
Apparatus for baseline restoration in an AC-coupled signal |
Nov. 14, 1978 |
| 4109211 |
Variable thresholding circuit for converting an analog signal to a binary signal |
Aug. 22, 1978 |
| 4101734 |
Binary to multistate bus driver, receiver and method |
Jul. 18, 1978 |
| 4034340 |
System for determining the quality of transmission of incoming digital message signals |
Jul. 5, 1977 |
| 4021739 |
Distress signal protection system |
May. 3, 1977 |
| 3958213 |
Adaptive gain control and method for signal processor |
May. 18, 1976 |
| 3947769 |
Threshold correction system in FSK transmissions |
Mar. 30, 1976 |
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