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Class Information
Number: 375/286
Name: Pulse or digital communications > Multilevel
Description: Subject matter in which the transmitted pulse waveform has more than two discrete amplitude levels.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7620116 |
Technique for determining an optimal transition-limiting code for use in a multi-level signaling system |
Nov. 17, 2009 |
| 7613243 |
Interleaver and parser for OFDM MIMO systems |
Nov. 3, 2009 |
| 7613400 |
Multi-level optical data communication circuit |
Nov. 3, 2009 |
| 7587002 |
Wireless transmitting and receiving device and method |
Sep. 8, 2009 |
| 7580472 |
Generation and detection of non-binary digital sequences |
Aug. 25, 2009 |
| 7570713 |
System and method for anticipatory receiver switching based on signal quality estimation |
Aug. 4, 2009 |
| 7558326 |
Method and apparatus for sending auxiliary data on a TMDS-like link |
Jul. 7, 2009 |
| 7548599 |
Method and apparatus for reducing cross-talk with reduced redundancies |
Jun. 16, 2009 |
| 7541947 |
Semiconductor devices, a system including semiconductor devices and methods thereof |
Jun. 2, 2009 |
| 7526050 |
CCK demodulation via symbol decision feedback equalizer |
Apr. 28, 2009 |
| 7522678 |
Method and apparatus for a data-dependent noise predictive viterbi |
Apr. 21, 2009 |
| 7519140 |
Automatic frequency correction PLL circuit |
Apr. 14, 2009 |
| 7496149 |
Methods and apparatus for signaling on a differential link |
Feb. 24, 2009 |
| 7486741 |
Wireless transmitting/receiving device and method thereof |
Feb. 3, 2009 |
| 7480342 |
Soft value calculation for multilevel signals |
Jan. 20, 2009 |
| 7471733 |
Digital transmission of broadcast signals, including HDTV signals, over a microwave link |
Dec. 30, 2008 |
| 7469016 |
Circuit for generating ternary signal |
Dec. 23, 2008 |
| 7466765 |
Receiver for high bitrate binary signals |
Dec. 16, 2008 |
| 7397862 |
Method of designing interleavers for multiple-encoder MIMO OFDM systems |
Jul. 8, 2008 |
| 7394863 |
Methods and apparatus for signaling on a differential link |
Jul. 1, 2008 |
| 7394875 |
Beaulieu series approach to optimal UMTS RACH preamble detection estimation |
Jul. 1, 2008 |
| 7391816 |
Decoding upstream V.92-encoded signals |
Jun. 24, 2008 |
| 7391834 |
Pulse amplitude modulated system with reduced intersymbol interference |
Jun. 24, 2008 |
| 7366470 |
Inter-modulation distortion compensation |
Apr. 29, 2008 |
| 7363219 |
Hybrid speech coding and system |
Apr. 22, 2008 |
| 7359450 |
Digital transmission of broadcast signals, including HDTV signals, over a microwave link |
Apr. 15, 2008 |
| 7355532 |
voltage level coding system and method |
Apr. 8, 2008 |
| 7342459 |
Clock reproduction circuit |
Mar. 11, 2008 |
| 7339502 |
Method and device for transmitting data over a plurality of transmission lines |
Mar. 4, 2008 |
| 7340657 |
On-chip high-speed serial data analyzers, systems, and associated methods |
Mar. 4, 2008 |
| 7313195 |
PAPR reduction method using bit reallocation |
Dec. 25, 2007 |
| 7308044 |
Technique for receiving differential multi-PAM signals |
Dec. 11, 2007 |
| 7308058 |
Transparent multi-mode PAM interface |
Dec. 11, 2007 |
| 7295638 |
Communication device |
Nov. 13, 2007 |
| 7272194 |
Method to transmit bits of data over a bus |
Sep. 18, 2007 |
| 7257129 |
Memory architecture with multiple serial communications ports |
Aug. 14, 2007 |
| 7251207 |
Multi-level data processing method and apparatus |
Jul. 31, 2007 |
| 7230994 |
Multi-level modulation apparatus, multi-level demodulation apparatus, multi-level modulation/demodulation communication system, program and modulation/demodulation method |
Jun. 12, 2007 |
| 7212580 |
Multi-level signal clock recovery technique |
May. 1, 2007 |
| 7190737 |
Multi-mode block-coded modulation/demodulation method |
Mar. 13, 2007 |
| 7180959 |
Technique for utilizing spare bandwidth resulting from the use of a code in a multi-level signaling system |
Feb. 20, 2007 |
| 7180957 |
Technique for utilizing spare bandwidth resulting from the use of a transition-limiting code in a multi-level signaling system |
Feb. 20, 2007 |
| 7180958 |
Technique for utilizing spare bandwidth resulting from the use of a transition-limiting code in a multi-level signaling system |
Feb. 20, 2007 |
| 7170930 |
Receiver |
Jan. 30, 2007 |
| 7170949 |
Methods and apparatus for signaling on a differential link |
Jan. 30, 2007 |
| 7167527 |
System and method for multi-symbol interfacing |
Jan. 23, 2007 |
| 7158604 |
Method and apparatus for superimposing differential signals onto a set of binary signals to increase the information-carrying capacity of the original set of signals |
Jan. 2, 2007 |
| 7155134 |
Pulse amplitude modulated transmission scheme for optical channels with soft decision decoding |
Dec. 26, 2006 |
| 7142612 |
Method and apparatus for multi-level signaling |
Nov. 28, 2006 |
| 7127003 |
Method and apparatus for communicating information using different signaling types |
Oct. 24, 2006 |
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