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Class Information
Number: 375/285
Name: Pulse or digital communications > Systems using alternating or pulsating current > Antinoise or distortion
Description: Subject matter with provision for correction or reduction of distortion of the wave shape of the carrier wave or for the correction or reduction of the effects of extraneous pulses.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6044106 |
Receiving method and apparatus in which a demodulating status is determined and a noise power is detected |
Mar. 28, 2000 |
| 6038261 |
Method and device for setup of clipping noise of a multicarrier modulation |
Mar. 14, 2000 |
| 6034995 |
System for the transmission of data via a differential bus |
Mar. 7, 2000 |
| 6031870 |
Method of electronic control |
Feb. 29, 2000 |
| 6026123 |
Digital transmission system with high immunity to dynamic linear distortion |
Feb. 15, 2000 |
| 6026130 |
System and method for estimating a set of parameters for a transmission channel in a communication system |
Feb. 15, 2000 |
| 6009120 |
Multi-dimensional combined equalizer and decoder |
Dec. 28, 1999 |
| 6009125 |
Digital transmission system that can be synchronized with initialization sequences |
Dec. 28, 1999 |
| 5995493 |
Transmission of a digital information signal having a specific first sampling frequency |
Nov. 30, 1999 |
| 5987068 |
Method and apparatus for enhanced communication capability while maintaining standard channel modulation compatibility |
Nov. 16, 1999 |
| 5987069 |
Method and apparatus for variably allocating upstream and downstream communication spectra |
Nov. 16, 1999 |
| 5970099 |
Silent polarity reversal in a communication system |
Oct. 19, 1999 |
| 5956624 |
Method and system for simultaneously broadcasting and receiving digital and analog signals |
Sep. 21, 1999 |
| 5949813 |
Method and system for simultaneously broadcasting and receiving digital and analog signals |
Sep. 7, 1999 |
| 5943367 |
Transmission system using time dependent filter banks |
Aug. 24, 1999 |
| 5940429 |
Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal |
Aug. 17, 1999 |
| 5933072 |
Current level control for TWACS inbound communications |
Aug. 3, 1999 |
| 5929795 |
Digital processor for reduced distortion and frequency deviation |
Jul. 27, 1999 |
| 5930300 |
Cooperative feedback system and method for a compensation system associated with a transmitter or codec |
Jul. 27, 1999 |
| 5926510 |
Transmitter apparatus, receiver apparatus, transmitting method and receiving method for interleaving and varying an antenna directional pattern |
Jul. 20, 1999 |
| 5917858 |
Digital transmission system with symbol encoding which maximizes the signal amplitude-to-noise ratio |
Jun. 29, 1999 |
| 5912917 |
Digital broadcast system |
Jun. 15, 1999 |
| 5912923 |
System for transmitting coded speech signals |
Jun. 15, 1999 |
| 5911115 |
Data transmission over amps networks |
Jun. 8, 1999 |
| 5903610 |
Method and apparatus for channel estimation |
May. 11, 1999 |
| 5903819 |
Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal |
May. 11, 1999 |
| 5901179 |
Waveform shaping method and equipment |
May. 4, 1999 |
| 5901185 |
Systems and methods for data-augmented, pilot-symbol-assisted radiotelephone communications |
May. 4, 1999 |
| 5896420 |
Transmission apparatus having echo cancellation facility |
Apr. 20, 1999 |
| 5889821 |
Low noise front-end blanking and interleaving for satellite reception in pulsed interference environments |
Mar. 30, 1999 |
| 5887034 |
DS-CDMA multiple user serial interference canceler unit and method of transmitting interference replica signal of the same |
Mar. 23, 1999 |
| 5881091 |
Spread spectrum linearization for digitizing receivers |
Mar. 9, 1999 |
| 5881108 |
Adaptive pre-equalizer for use in data communications equipment |
Mar. 9, 1999 |
| 5878086 |
Method and apparatus for producing a deterministic sequence from an IIR filter |
Mar. 2, 1999 |
| 5867539 |
Methods and apparatus for reducing the effect of impulse noise on receivers |
Feb. 2, 1999 |
| 5859872 |
High speed communications system for analog subscriber connections |
Jan. 12, 1999 |
| 5857001 |
Off chip driver with precompensation for cable attenuation |
Jan. 5, 1999 |
| 5832030 |
Multi-carrier transmission system utilizing channels with different error rates |
Nov. 3, 1998 |
| 5832032 |
Interference reduction in telecommunications systems |
Nov. 3, 1998 |
| 5822374 |
Method for fine gains adjustment in an ADSL communications system |
Oct. 13, 1998 |
| 5822380 |
Apparatus and method for joint channel estimation |
Oct. 13, 1998 |
| 5818509 |
Line driving system according to the characteristic of a transmission medium |
Oct. 6, 1998 |
| 5818866 |
Method of selecting propagation delays retained for receiving messages transmitted by spread spectrum radio communication |
Oct. 6, 1998 |
| 5818872 |
Timing offset error extraction method and apparatus |
Oct. 6, 1998 |
| 5815529 |
Transmission system for digital audio broadcasting that incorporates a rotator in the transmitter |
Sep. 29, 1998 |
| 5812595 |
Waveform shaping circuit for a multiplexed information bus transmitter |
Sep. 22, 1998 |
| 5809059 |
Method and apparatus for spread spectrum channel assignment |
Sep. 15, 1998 |
| 5809083 |
Differentially encoded pilot word system and method for wireless transmissions of digital data |
Sep. 15, 1998 |
| 5802120 |
Reception circuit for a baseband processing and operation |
Sep. 1, 1998 |
| 5799042 |
Wireless digital communication system, a radio apparatus, a digital speaker, and a digital speaker controlling apparatus |
Aug. 25, 1998 |
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