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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 |
| 5446761 |
Decoder circuit for phase modulated signals |
Aug. 29, 1995 |
| 5442655 |
DC cancellation and restoration in receiving apparatus |
Aug. 15, 1995 |
| 5438593 |
Adaptive threshold decision device for multistate modulation |
Aug. 1, 1995 |
| 5438691 |
Receiver using a plurality of amplifiers and analog-to-digital converters for demodulating and decoding a signal |
Aug. 1, 1995 |
| 5436590 |
Digital FSK demodulator with automatic offset cancellation |
Jul. 25, 1995 |
| 5436934 |
Differential high frequency level detector and data restoration circuit including squelch offset and slicing offset |
Jul. 25, 1995 |
| 5425056 |
Method and apparatus for generating threshold levels in a radio communication device for receiving four-level signals |
Jun. 13, 1995 |
| 5412692 |
Data slicer |
May. 2, 1995 |
| 5396521 |
Receiver capable of reducing power consumption in a PLL circuit |
Mar. 7, 1995 |
| 5394109 |
Digital FSK demodulator with offset cancellation |
Feb. 28, 1995 |
| 5379321 |
High speed PWM without linearity compromise at extreme duty cycles |
Jan. 3, 1995 |
| 5373388 |
AC coupled fiber optic receiver with DC coupled characteristics |
Dec. 13, 1994 |
| 5371545 |
Auxiliary video data slicer with adjustable window for detecting the run in clock |
Dec. 6, 1994 |
| 5367535 |
Method and circuit for regenerating a binary bit stream from a ternary signal |
Nov. 22, 1994 |
| 5357609 |
Site controller with echo suppression |
Oct. 18, 1994 |
| 5329554 |
Digital pulse detector |
Jul. 12, 1994 |
| 5327463 |
Integrated circuit device for RS-232C line receiver |
Jul. 5, 1994 |
| 5325397 |
Error rate monitor |
Jun. 28, 1994 |
| 5319573 |
Method and apparatus for noise burst detection in a signal processor |
Jun. 7, 1994 |
| 5317522 |
Method and apparatus for noise burst detection in a signal processor |
May. 31, 1994 |
| 5315175 |
Quasi-differential bus |
May. 24, 1994 |
| 5311554 |
Synchronized offset extraction in a data receiver |
May. 10, 1994 |
| 5307379 |
Automatic noise characterization for optimally enabling a receiver |
Apr. 26, 1994 |
| 5303416 |
Method and apparatus for adjusting peak and valley acquisition rates of a signal received by a radio communication device |
Apr. 12, 1994 |
| 5295155 |
Multi-level digital data regeneration system |
Mar. 15, 1994 |
| 5274674 |
Method of controlling a threshold decoder for a signal having several levels and being affected by echoes, and television receiver provided with such a decoder |
Dec. 28, 1993 |
| 5272725 |
Digital video quantizer |
Dec. 21, 1993 |
| 5271038 |
Distortion suppression using thresholding techniques |
Dec. 14, 1993 |
| 5260974 |
Adaptive carrier detection |
Nov. 9, 1993 |
| 5243625 |
Receiver for multivalued digital signals |
Sep. 7, 1993 |
| 5241564 |
Low noise, high performance data bus system and method |
Aug. 31, 1993 |
| 5237589 |
Method of and apparatus for shaping waveform and method of and apparatus for generating threshold for waveform shaping |
Aug. 17, 1993 |
| 5222079 |
Adaptive information signal receiver |
Jun. 22, 1993 |
| 5220564 |
Transmission control for a wireless local area network station |
Jun. 15, 1993 |
| 5179577 |
Dynamic threshold data receiver for local area networks |
Jan. 12, 1993 |
| 5136575 |
Cancelling circuit and transmission system |
Aug. 4, 1992 |
| 5134632 |
Decoding binary-coded transmissions |
Jul. 28, 1992 |
| 5121411 |
Multi-edge clock recovery method |
Jun. 9, 1992 |
| 5097486 |
Pipelined decision feedback decoder |
Mar. 17, 1992 |
| 5093842 |
Mechanism for estimating Es/No from pseudo error measurements |
Mar. 3, 1992 |
| 5091920 |
Threshold valve control system in a receiver circuit |
Feb. 25, 1992 |
| 5065410 |
Method and arrangement for setting an amplitude equalization characteristic on an equalizer for use in a modem |
Nov. 12, 1991 |
| 5052020 |
Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions |
Sep. 24, 1991 |
| 5052021 |
Digital signal decoding circuit and decoding method |
Sep. 24, 1991 |
| 5050190 |
Signal detection circuit not affected by minute voltage fluctuations contained in input signal and operation method therefor |
Sep. 17, 1991 |
| 5042051 |
Apparatus for transmitting and receiving Manchester coded digital data for IEEE 802.3 Ethernet/Cheapernet type local area network |
Aug. 20, 1991 |
| 5040194 |
Method and apparatus for providing for automatic gain control of incoming signals in a modem |
Aug. 13, 1991 |
| 5025251 |
Self-tuning direct coupled data limiter of a battery saver type paging receiver |
Jun. 18, 1991 |
| 5016261 |
Method and apparatus for achieving improved anti-jam performance via conversion gain |
May. 14, 1991 |
| 5001726 |
Circuit for generating discrimination voltage level |
Mar. 19, 1991 |
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