| Patent | Date |
|---|
Sensory Enhancement Systems and Methods in Personal Electronic Devices
App 20160125885 - Betts; William L. ; et al. | 2016-05-05 |
Sensory Enhancement Systems and Methods in Personal Electronic Devices
App 20160125212 - Betts; William L. ; et al. | 2016-05-05 |
Sensory enhancement systems and methods in personal electronic devices
Grant 8,390,445 - Betts , et al. March 5, 2 | 2013-03-05 |
System and method for adapting a change in constellation density while receiving a signal
Grant 8,279,969 - Betts October 2, 2 | 2012-10-02 |
Sensory Enhancement Systems and Methods in Personal Electronic Devices
App 20120184305 - Betts; William L. ; et al. | 2012-07-19 |
Sensory Enhancement Systems and Methods in Personal Electronic Devices
App 20120154144 - Betts; William L. ; et al. | 2012-06-21 |
Sensory Enhancement Systems and Methods in Personal Electronic Devices
App 20120139721 - Betts; William L. ; et al. | 2012-06-07 |
Block modulus coding (BMC) systems and methods for block coding with non-binary modulus
Grant 8,151,174 - Betts April 3, 2 | 2012-04-03 |
Sensory Enhancement Systems and Methods in Personal Electronic Devices
App 20110121965 - Betts; William L. ; et al. | 2011-05-26 |
System and Method for Adapting a Change in Constellation Density While Receiving a Signal
App 20110033009 - Betts; William L. | 2011-02-10 |
Sensory enhancement systems and methods in personal electronic devices
Grant 7,872,574 - Betts , et al. January 18, 2 | 2011-01-18 |
System and method for adapting to a change in constellation density while receiving a signal
Grant 7,835,459 - Betts November 16, 2 | 2010-11-16 |
Subscriber line driver with equalizer
Grant 7,747,000 - Bremer , et al. June 29, 2 | 2010-06-29 |
System and method for space diversified linear block interleaving
Grant 7,733,966 - Betts June 8, 2 | 2010-06-08 |
System and method for subliminal time domain duplexing
Grant 7,711,109 - Betts , et al. May 4, 2 | 2010-05-04 |
Crystalline Forms Of (R)-8-Chloro-1-Methyl-2,3,4,5-Tetrahydro-1H-3-Benzazepine Hydrochloride
App 20100004223 - Agarwal; Rajesh K. ; et al. | 2010-01-07 |
Splitterless Communication
App 20090262912 - Bremer; Gordon F. ; et al. | 2009-10-22 |
Repeaterless Backhaul
App 20090262911 - Bremer; Gordon F. ; et al. | 2009-10-22 |
System and Method for Adapting to a Change in Constellation Density While Receiving a Signal
App 20090161792 - Betts; William L. | 2009-06-25 |
System and method for adapting to a change in constellation density while receiving a signal
Grant 7,522,679 - Betts April 21, 2 | 2009-04-21 |
Sensory enhancement systems and methods in personal electronic devices
App 20090085873 - Betts; William L. ; et al. | 2009-04-02 |
Tone Ordered Discrete Multitone Interleaver
App 20090034663 - Betts; William L. | 2009-02-05 |
Indirect DSL over loaded and unloaded loops
Grant 7,471,777 - Bremer , et al. December 30, 2 | 2008-12-30 |
Tone ordered discrete multitone interleaver
Grant 7,418,048 - Betts August 26, 2 | 2008-08-26 |
Digital subscriber line service over loaded loops
Grant 7,289,610 - Bremer , et al. October 30, 2 | 2007-10-30 |
Systems and methods for fractional bit rate encoding in a communication system
Grant 7,251,270 - Betts July 31, 2 | 2007-07-31 |
Space diversity trellis interleaver system and method
Grant 7,194,048 - Betts March 20, 2 | 2007-03-20 |
Communication device and method for using non-self-synchronizing scrambling in a communication system
Grant 7,155,016 - Betts , et al. December 26, 2 | 2006-12-26 |
Digital subscriber line driver
Grant 7,149,268 - Betts December 12, 2 | 2006-12-12 |
Tone ordered discrete multitone interleaver
App 20060269010 - Betts; William L. | 2006-11-30 |
Fractional bit rate encoding in a discrete multi-tone communication system
App 20060245511 - Betts; William L. | 2006-11-02 |
System and method for subliminal time domain duplexing
App 20060193465 - Betts; William L. ; et al. | 2006-08-31 |
Discrete multitone interleaver
Grant 7,099,401 - Betts August 29, 2 | 2006-08-29 |
Tone ordered discrete multitone interleaver
Grant 7,088,781 - Betts August 8, 2 | 2006-08-08 |
Fractional bit rate encoding in a discrete multi-tone communication system
Grant 7,072,387 - Betts July 4, 2 | 2006-07-04 |
Interleaved generalized convolutional encoder
Grant 7,055,088 - Betts May 30, 2 | 2006-05-30 |
Space diversity trellis interleaver system and method
Grant 7,054,377 - Betts May 30, 2 | 2006-05-30 |
System and method for subliminal time domain duplexing
Grant 7,046,798 - Betts , et al. May 16, 2 | 2006-05-16 |
Trellis interleaver and feedback precoder
Grant 7,013,421 - Betts March 14, 2 | 2006-03-14 |
Fractional bit rate encoding in a pulse amplitude modulation communication system
Grant 6,993,067 - Betts , et al. January 31, 2 | 2006-01-31 |
Digital subscriber line driver
Grant 6,975,694 - Betts December 13, 2 | 2005-12-13 |
Space diversity trellis interleaver system and method
App 20050271167 - Betts, William L. | 2005-12-08 |
Digital subscriber line driver
App 20050180519 - Betts, William L. | 2005-08-18 |
Embedded signal constellations
Grant 6,891,896 - Betts May 10, 2 | 2005-05-10 |
System and method for modulation on demand in a computing device
App 20050074057 - Bremer, Gordon ; et al. | 2005-04-07 |
System and method for adapting to a change in constellation density while receiving a signal
App 20050074070 - Betts, William L. | 2005-04-07 |
Subscriber line driver and termination
App 20040258236 - Bremer, Gordon ; et al. | 2004-12-23 |
Linear block interleaver for discrete multi-tone modulation
Grant 6,823,002 - Betts November 23, 2 | 2004-11-23 |
Trellis interleaver and feedback precoder
App 20040194004 - Betts, William L. | 2004-09-30 |
Subscriber line driver and termination
Grant 6,782,096 - Bremer , et al. August 24, 2 | 2004-08-24 |
System and method for space diversified linear block interleaving
App 20040071240 - Betts, William L. | 2004-04-15 |
Trellis interleaver and feedback precoder
Grant 6,715,124 - Betts March 30, 2 | 2004-03-30 |
System and method for subliminal time domain duplexing
App 20040052361 - Betts, William L. ; et al. | 2004-03-18 |
Indirect DSL over loaded and unloaded loops
App 20040042510 - Bremer, Gordon F. ; et al. | 2004-03-04 |
Linear block interleaver system and method
Grant 6,668,023 - Betts December 23, 2 | 2003-12-23 |
Digital subscriber line service over loaded loops
App 20030210773 - Bremer, Gordon ; et al. | 2003-11-13 |
Systems and methods for fractional bit rate encoding in a pulse amplitude modulation communication system
App 20030206578 - Betts, William L. | 2003-11-06 |
Method and apparatus for performing a multipoint polling protocol which employs silence intervals for controlling circuit operation
Grant 6,414,964 - Holmquist , et al. July 2, 2 | 2002-07-02 |
Interleaved generalized convolutional encoder
App 20010036232 - Betts, William L. | 2001-11-01 |
System and method for transmit signal spectral shaping
Grant 6,307,893 - Bremer , et al. October 23, 2 | 2001-10-23 |
Tone ordered discrete multitone interleaver
App 20010031011 - Betts, William L. | 2001-10-18 |
Discrete multitone interleaver
App 20010031017 - Betts, William L. | 2001-10-18 |
Pilot tone system and method to allow continuous synchronization in multipoint networks
Grant 6,236,675 - Bedingfield , et al. May 22, 2 | 2001-05-22 |
Audio distortion canceler method and apparatus
Grant 6,157,680 - Betts , et al. December 5, 2 | 2000-12-05 |
Quantization noise compensator apparatus and method
Grant 6,137,809 - Martinez , et al. October 24, 2 | 2000-10-24 |
System and method for transmitting special marker symbols
Grant 6,137,829 - Betts October 24, 2 | 2000-10-24 |
System and method for optimizing the uncoded modulation of circular constellations using circular precoding and nonlinear encoding
Grant 6,101,223 - Betts August 8, 2 | 2000-08-08 |
Adaptive comb filter and decision feedback equalizer for noise suppression
Grant 6,011,814 - Martinez , et al. January 4, 2 | 2000-01-04 |
Method and apparatus for encoding data for transfer over a communication channel
Grant 5,559,835 - Betts September 24, 1 | 1996-09-24 |
Method for increasing the dynamic range of a signal in a simultaneous voice and data system by the use of overlapping signal point regions and trellis coding
Grant 5,521,942 - Betts , et al. May 28, 1 | 1996-05-28 |
Method and apparatus for automatically adapting the amount of warping in a system transmitting information through a non-linear channel
Grant 5,481,567 - Betts , et al. January 2, 1 | 1996-01-02 |
System for channel capacity modulation
Grant 5,475,711 - Betts , et al. December 12, 1 | 1995-12-12 |
Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel
Grant 5,396,519 - Betts , et al. March 7, 1 | 1995-03-07 |
Circular limiter for use in a receiver to reduce the effects of signal distortion
Grant 5,311,557 - Betts , et al. May 10, 1 | 1994-05-10 |
Index assignment in redundancy-coded data communication systems
Grant 5,291,521 - Betts , et al. March 1, 1 | 1994-03-01 |
Data communication system with data rate throttling
Grant 5,280,503 - Betts , et al. January 18, 1 | 1994-01-18 |
Non-linear encoder and decoder for information transmission through non-linear channels
Grant 5,265,127 - Betts , et al. November 23, 1 | 1993-11-23 |
Signal point interleaving technique
Grant 5,243,627 - Betts , et al. September 7, 1 | 1993-09-07 |
Detecting loss of echo cancellation
Grant 5,206,854 - Betts , et al. April 27, 1 | 1993-04-27 |
Inband coding of secondary data
Grant 5,105,443 - Betts , et al. April 14, 1 | 1992-04-14 |
Modulus converter for fractional rate encoding
Grant 5,103,227 - Betts April 7, 1 | 1992-04-07 |
Communication of secondary channel byte in a synchronous modem without statistical uncertainty
Grant 5,099,478 - Bremer , et al. March 24, 1 | 1992-03-24 |
Adaptive transmit pre-emphasis for digital modem computed from noise spectrum
Grant 5,008,903 - Betts , et al. April 16, 1 | 1991-04-16 |
Method and system for a synchronized pseudo-random privacy modem
Grant 4,924,516 - Bremer , et al. May 8, 1 | 1990-05-08 |
Data error detector for digital modems using trellis coding
Grant 4,862,464 - Betts , et al. August 29, 1 | 1989-08-29 |
Remote eye pattern display for digital modems
Grant 4,833,690 - Zuranski , et al. May 23, 1 | 1989-05-23 |
Secondary channel for digital modems using spread spectrum subliminal induced modulation
Grant 4,811,357 - Betts , et al. March 7, 1 | 1989-03-07 |
High speed modem for multiple communication circuits
Grant 4,734,920 - Betts March 29, 1 | 1988-03-29 |
Automatic gain control using the extreme points of a constellation
Grant 4,683,578 - Betts , et al. July 28, 1 | 1987-07-28 |
Distributed trellis encoder
Grant 4,677,625 - Betts , et al. June 30, 1 | 1987-06-30 |
Self-synchronizing de-interleaver for viterbi decoder used in wireline modems
Grant 4,677,624 - Betts , et al. June 30, 1 | 1987-06-30 |
Self-synchronizing interleaver for trellis encoder used in wireline modems
Grant 4,677,626 - Betts , et al. June 30, 1 | 1987-06-30 |
Half-duplex modem without turnaround delay
Grant 4,669,090 - Betts , et al. May 26, 1 | 1987-05-26 |
Line impairment display for digital modems
Grant 4,639,934 - Zuranski , et al. January 27, 1 | 1987-01-27 |
Digital modem for multiple telephone circuits
Grant 4,637,035 - Betts January 13, 1 | 1987-01-13 |
Gain tracker for digital modem
Grant 4,631,738 - Betts , et al. December 23, 1 | 1986-12-23 |
Device for synchronization of multiple telephone circuits
Grant 4,630,286 - Betts December 16, 1 | 1986-12-16 |
Frequency shift keyed demodulator
Grant 4,612,509 - Betts , et al. September 16, 1 | 1986-09-16 |
Digital modem having a monitor for signal-to-noise ratio
Grant 4,555,790 - Betts , et al. November 26, 1 | 1985-11-26 |
Multiplex conference bridge
Grant 4,229,814 - Betts October 21, 1 | 1980-10-21 |
Multiplex conference bridge
Grant 4,225,956 - Betts , et al. September 30, 1 | 1980-09-30 |
Combined encoder/decoder
Grant 4,128,832 - Betts December 5, 1 | 1978-12-05 |
Cascaded recursive digital filter
Grant 4,125,900 - Betts November 14, 1 | 1978-11-14 |
Digital filter for pulse code modulation signals
Grant 4,101,964 - Betts July 18, 1 | 1978-07-18 |
Digital conference system
Grant 4,059,735 - Betts November 22, 1 | 1977-11-22 |
Pulse code modulation compressor
Grant 4,037,226 - Betts , et al. July 19, 1 | 1977-07-19 |
Interpolating rate multiplier
Grant 4,021,616 - Betts May 3, 1 | 1977-05-03 |
System for synchronizing local pseudo-noise sequence to a received baseband signal
Grant 3,947,634 - Betts March 30, 1 | 1976-03-30 |
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