Inventor

Paul W. Dent

Inventor

Pittsboro, NC, US

Overview

1984–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 392 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary

H04BTransmission22%

H04LTransmission of digital information, e.g. telegraphic communication18%

H04WWireless communication networks13%

H01QAntennas, i.e. radio aerials4%

H04JMultiplex communication4%

H03FAmplifiers4%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%

H03MCoding3%

G06FElectric digital data processing3%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems2%

PatentTitleYear

10,784,710Transformerless DC to AC converter2020 10,744,172Tropism modified cancer terminator virus (Ad.5/3 CTV;Ad.5/3-CTV-M7)2020 10,666,161Safety shut-down system for a solar energy installation2020 10,551,482Vehicular radar system with self-interference cancellation2020 10,536,039Hybrid wired-wireless communication system for delivery of power from two or more sources to smart appliances2020 10,314,870Tropism modified cancer terminator virus (Ad.5/3 CTV;AD.5/3-CTV-M7)2019 10,261,179Software defined automotive radar2019 10,250,162DC bias prevention in transformerless inverters2019 10,211,640Adaptive load sharing system2019 10,205,324Remotely controlled photovoltaic string combiner2019 10,191,142Digital frequency modulated continuous wave radar using handcrafted constant envelope modulation2019 10,148,093Inter coupling of microinverters2018 10,145,954Software defined automotive radar systems2018 10,135,361Residential electrical energy installation2018 10,128,774Inverter inrush current limiting2018 10,090,777Inverter with independent current and voltage controlled outputs2018 10,033,302Rotary solar converter2018 9,989,627Vehicular radar system with self-interference cancellation2018 9,945,935Digital frequency modulated continuous wave radar using handcrafted constant envelope modulation2018 9,846,228Software defined automotive radar systems2017 9,791,551'Vehicular radar system with self-interference cancellation'2017 9,793,953'Smart appliances'2017 9,785,213'Addressable electrical outlets'2017 9,735,703'Smart load center for distribution of power from two sources'2017 9,641,933'Wired and wireless microphone arrays'2017 9,634,552'Solid-state phase splitting transformer'2017 9,614,588'Smart appliances'2017 9,559,768'Same frequency satellite terrestrial radio broadcast'2017 9,190,836'Potential arc fault detection and suppression'2015 8,937,822'Solar energy conversion and utilization system'2015 8,891,211'Potential arc fault detection and suppression'2014 8,855,580'Methods and apparatus for reducing own-transmitter interference in low-IF and zero-IF receivers'2014 8,526,482'Non-contiguous variable length orthogonal codes'2013 8,497,743'Passive fourier transform circuits and butler matrices'2013 8,478,804'Memory compression'2013 8,401,487'Radio channel analyzer to determine doppler shifts across multiple frequencies of a wideband signal'2013 8,379,782'Mobile radio channel estimation'2013 8,369,459'Diversity receivers and methods for relatively-delayed signals'2013 8,351,874'System and method for adaptive antenna impedance matching'2013 8,345,793'Compensation of diagonal ISI in OFDM signals'2013 8,315,335'OFDM spectral control'2012 8,316,068'Memory compression'2012 8,279,745'Orthogonal vector DSL'2012 8,265,565'Communications system employing non-polluting pilot codes'2012 8,259,845'Method and apparatus for communicating with root-nyquist, self-transform pulse shapes'2012 8,243,970'Virtual reality sound for advanced multi-media applications'2012 8,180,324'System and method enabling a wireless device to communicate with a second party without revealing the identity of the wireless device to a third party'2012 8,160,176'Compensating pre-filter for an OFDM transmitter'2012 8,116,710'Continuous sequential scatterer estimation'2012 8,102,950'Method and apparatus for efficient multi-symbol detection'2012 8,090,320'Strong signal tolerant OFDM receiver and receiving methods'2012 8,086,271'Network architecture for mobile communication network with billing module for shared resources'2011 8,059,697'Reduced peak-to-RMS ratio multicode signal'2011 8,055,216'Antenna matching for MIMO transceivers'2011 8,055,234'Methods and apparatus for suppressing strong-signal interference in low-IF receivers'2011 8,014,436'Multi-dimensional signal of reduced peak-to-RMS ratio'2011 8,009,628'Private mobility management enhancements'2011 8,004,959'Different orthogonal code sets with members in common'2011 7,995,973'Own transmitter interference tolerant transceiver and receiving methods'2011 7,888,341'Combination of glivec (STI571) with a cyclin-dependent kinase inhibitor, especially flavopiridol, in the treatment of cancer'2011 7,864,663'Orthogonal spread-spectrum waveform generation with non-contiguous spectral occupancy for use in CDMA communications'2011 7,801,521'System and method for communicating with aircraft through cellular base station towers'2010 7,711,764'Pipelined real or complex ALU'2010 7,689,639'Complex logarithmic ALU'2010 7,570,123'Digitally controlled analog frequency synthesizer'2009 7,538,704'Direct RF D-to-A conversion'2009 7,511,640'Digital compression of binary data blocks'2009 7,456,772'Fast, high resolution digital-to-analog converter'2008 7,443,826'Method and apparatus for automatic frequency control in a CDMA receiver'2008 7,440,489'Method and apparatus for selective demodulation and decoding of communications signals'2008 RE039980'Calling channel in CDMA communications system'2008 7,305,211'Satellite communications system using multiple earth stations'2007 7,248,874'Mobile assisted handover using CDMA'2007 7,245,602'System and method for anonymous Bluetooth devices'2007 7,224,942'Communications system employing non-polluting pilot codes'2007 7,221,905'Dual mode satellite cellular telephone systems'2007 7,212,820'Mobile assisted handover using CDMA'2007 7,209,511'Interference cancellation in a CDMA receiving system'2007 7,197,282'Mobile station loop-back signal processing'2007 7,184,492'Using antenna arrays in multipath environment'2007 7,155,229'Distributed wireless architecture using microcast'2006 7,133,647'Chiprate correction in digital transceivers'2006 7,126,999'Pseudo-polar modulation for radio transmitters'2006 7,113,593'Recursive cryptoaccelerator and recursive VHDL design of logic circuits'2006 7,114,178'Security system'2006 7,079,515'Signal decoding with and without second synchronization word in a mobile communication system'2006 7,050,802'Cellular communication device with scanning receiver and continuous mobile communication system employing same'2006 7,046,738'8-PSK transmit filtering using reduced look up tables'2006 7,038,733'Television receivers and methods for processing signal sample streams synchronously with line/frame patterns'2006 7,027,454'Multi-signal transmit array with low intermodulation'2006 7,010,290'System and method of determining short range distance between RF equipped devices'2006 7,000,111'Method for masking secret multiplicands'2006 6,996,375'Transmit diversity and separating multiple loopback signals'2006 6,996,380'Communication system employing transmit macro-diversity'2006 6,975,582'Dual mode satellite/cellular terminal'2005 6,963,532'Communication system and method with orthogonal block encoding'2005 6,961,368'Adaptive antenna optimization network'2005 6,944,206'Rate one coding and decoding methods and systems'2005 6,934,317'Systems and methods for communicating spread spectrum signals using variable signal constellations'2005 6,925,127'Method and apparatus for subtracting multiple rays of multiple interfering received signals'2005 6,904,150'Cryptographic method and system for double encryption of messages'2005 6,889,034'Antenna coupling systems and methods for transmitters'2005 6,873,613'Methods for wirelessly communicating time division multiple access (TDMA) data using adaptive multiplexing and coding'2005 6,868,270'Dual-mode methods, systems, and terminals providing reduced mobile terminal registrations'2005 6,845,126'System and method for adaptive antenna impedance matching'2005 6,831,907'Digital format U.S. commercial FM broadcast system'2004 6,829,226'Power control for a mobile terminal in a satellite communication system'2004 6,823,170'Satellite communications system using multiple earth stations'2004 6,802,001'Method of incrementally establishing an encryption key'2004 6,769,062'Method and system of using an insecure crypto-accelerator'2004 6,769,060'Method of bilateral identity authentication'2004 6,768,900'Duplex satellite communication using a single frequency or pair'2004 6,768,389'Integrated, digitally-controlled crystal oscillator'2004 6,768,391'Class-B biased gilbert cells and quadrature modulators'2004 6,731,763'Audio A/D converter using frequency modulation'2004 6,711,218'System and method for received signal decoding'2004 6,697,441'Baseband processors and methods and systems for decoding a received signal having a transmitter or channel induced coupling between bits'2004 6,690,798'Key transforms to discriminate between beams in a multi-beam satellite communication system'2004 6,684,071'Terminal position location using multiple beams'2004 6,680,928'Communications system and method for multi-carrier orthogonal coding'2004 6,665,525'High-level modulation method and apparatus'2003 6,625,200'Multi-stage CDMA synchronization with parallel execution'2003 6,625,236'Methods and systems for decoding symbols by combining matched-filtered samples with hard symbol decisions'2003 6,591,100'Cellular communication device with scanning receiver and continuous mobile communication system employing same'2003 6,577,199'Harmonic matching network for a saturated amplifier'2003 6,570,907'Simplified finite impulse response (FIR) digital filter for direct sequencespread spectrum communication'2003 6,571,212'Mobile internet protocol voice system'2003 6,570,910'Baseband processor with look-ahead parameter estimation capabilities'2003 6,567,483'Matched filter using time-multiplexed precombinations'2003 6,567,475'Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols'2003 6,563,892'Method and system for detection of binary information in the presence of slowly varying disturbances'2003 6,563,891'Automatic gain control for slotted mode operation'2003 6,556,634'Maximum likelihood rake receiver for use in a code division, multiple access wireless communication system'2003 6,553,229'Signal scanning systems and methods for multiple-mode cellular radiotelephones'2003 6,546,044'Dual-mode radiotelephone apparatus for digital or analog modulation'2003 6,542,716'Position registration for cellular satellite communication systems'2003 6,535,752'Radio receiver with power saving during synchronization retries'2003 6,532,290'Authentication methods'2003 6,529,707'Satellite communications adapter for cellular handset'2003 6,526,279'Communication system with a mobile terminal supporting mobile assisted signal strength measurements for a plurality of networks and methods for operating the same'2003 6,515,976'Demodulation method and apparatus in high-speed time division multiplexed packet data transmission'2003 6,507,602'Smoothing receiver channel estimates using spectral estimation'2003 6,501,939'Satellite communications adapter for a cellular handset'2002 6,490,261'Overlapping slot transmission using phased arrays'2002 6,484,285'Tailbiting decoder and method'2002 6,484,038'Method and apparatus for generating a plurality of reference frequencies in a mobile phone using a common crystal reference oscillator'2002 6,480,504'Paging channel configuration for efficient wake-up period utilization'2002 6,473,471'Slope drift and offset compensation in zero-if receivers'2002 6,438,557'System and method for performing context switching and rescheduling of a processor'2002 6,430,391'Duplex satellite communication using a single frequency or pair'2002 6,429,798'Combined transmit filter and D-to-A converter'2002 6,418,310'Wireless subscriber terminal using java control code'2002 6,418,319'Method of directing a call to a mobile telephone in a dual mode cellular-satellite communications network'2002 6,415,162'Interstitial sector system'2002 6,414,945'High power short message service using TDMA frames and/or broadcast control channel'2002 6,411,655'Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal'2002 6,408,018'Complex matched filter with reduced power consumption'2002 6,404,821'Digital beamformer for receiving a first number of information signals using a second number of antenna array elements'2002 6,400,926'Radiocommunication system using geostationary and non-geostationary satellites'2002 6,393,284'Systems and methods for searching for TDMA signals in cellular radiotelephones'2002 6,377,558'Multi-signal transmit array with low intermodulation'2002 6,369,651'Bidirectional direct current power conversion circuits and methods'2002 6,366,938'Reduced power matched filter using precomputation'2002 6,359,874'Partially block-interleaved CDMA coding and decoding'2002 6,359,506'Linear modulation using a linear and a non-linear amplifier'2002 6,356,771'Radio communications system with adaptive polarization'2002 6,347,125'Reduced complexity demodulator for multi-bit symbols'2002 6,330,292'Reduced power matched filter'2001 6,320,914'Spectrally efficient modulation using overlapped GMSK'2001 6,314,504'Multi-mode memory addressing using variable-length'2001 6,314,081'High power short message service using dedicated carrier frequency'2001 6,311,046'Linear amplification systems and methods using more than two constant length vectors'2001 6,311,171'Symmetrically-secured electronic communication system'2001 6,308,048'Simplified reference frequency distribution in a mobile phone'2001 6,285,251'Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control'2001 6,282,181'Pseudorandom number sequence generation in radiocommunication systems'2001 6,278,867'Methods and systems for frequency generation for wireless devices'2001 6,259,731'System and method for radio-communication using frequency modulated signals'2001 6,256,514'Secure radio personal communications system and method'2001 6,246,870'Tariff management apparatus and methods for multiple-mode communications terminals'2001 6,240,538'Method and apparatus for errors and erasures decoding'2001 6,236,275'Digital frequency synthesis by sequential fraction approximations'2001 6,233,436'Intermodulation compensation in multi-channel amplifiers'2001 6,229,796'Code-reuse partitioning systems and methods for cellular radiotelephone systems'2001 6,226,271'Received signal strength determination method, apparatus and computer program products'2001 RE037138'Log-polar signal processing'2001 6,219,375'Apparatus for performing multiplication of a vector of multi-bit values by a matrix of multi-bit coefficients'2001 6,215,762'Communication system and method with orthogonal block encoding'2001 6,205,183'Methods of suppressing reference oscillator harmonic interference and related receivers'2001 6,205,334'Accelerated scanning of cellular channels by cellular radiotelephones'2001 6,201,801'Polarization diversity phased array cellular base station and associated methods'2001 6,201,452'Systems and methods for converting a stream of complex numbers into a modulated radio power signal'2001 6,195,555'Method of directing a call to a mobile telephone in a dual mode cellular satellite communication network'2001 6,195,399'Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal'2001 6,185,259'Transmitter/receiver for GMSK and offset-QAM'2001 6,181,199'Power IQ modulation systems and methods'2001 6,181,920'Transmitter that selectively polarizes a radio wave'2001 6,167,553'Spiral scrambling'2000 6,157,811'Cellular/satellite communications system with improved frequency re-use'2000 6,151,310'Dividable transmit antenna array for a cellular base station and associated method'2000 6,148,041'Joint demodulation using spatial maximum likelihood'2000 6,147,107'Specific inhibition of the P42/44 mitogen activated protein (map) kinase cascade sensitizes tumor cells'2000 6,137,843'Methods and apparatus for canceling adjacent channel signals in digital communications systems'2000 6,133,788'Hybrid Chireix/Doherty amplifiers and methods'2000 6,122,500'Cordless time-duplex phone with improved hearing-aid compatible mode'2000 6,112,094'Orthogonal frequency hopping pattern re-use scheme'2000 6,098,878'Tariff management apparatus and method for communications terminals using smart cards'2000 6,097,615'Power waveform synthesis using bilateral devices'2000 6,097,974'Combined GPS and wide bandwidth radiotelephone terminals and methods'2000 6,091,954'Channel assignment in enhanced fixed-plan mobile communications systems'2000 6,091,303'Method and apparatus for reducing oscillator noise by noise-feedforward'2000 6,088,593'Two-way paging system and apparatus'2000 6,084,865'Dual mode satellite/cellular terminal'2000 6,078,826'Mobile telephone power savings method and apparatus responsive to mobile telephone location'2000 6,067,363'Audio A/D convertor using frequency modulation'2000 6,061,568'Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems'2000 6,046,990'High-penetration transmission method for a radiocommunication system'2000 6,047,169'Radio communications device with reference-compensated power down control and methods of operating thereof'2000 6,047,029'Post-filtered delta sigma for controlling a phase locked loop modulator'2000 6,044,485'Transmitter method and transmission system using adaptive coding based on channel characteristics'2000 6,034,987'System for improving the quality of a received radio signal'2000 6,025,816'Antenna system for dual mode satellite/cellular portable phone'2000 6,023,477'System and method of time and frequency synchronization in a radiocommunication system'2000 6,011,786'Systems and methods for control channel communication in cellular radiotelephone systems'2000 6,012,160'Method for protecting important data bits using less important data bits'2000 6,005,887'Despreading of direct sequence spread spectrum communications signals'1999 5,995,547'Method and apparatus for mapping between cellular bit streams and wireline waveforms'1999 5,991,331'System for improving the quality of a received radio signal'1999 5,991,635'Reduced power sleep modes for mobile telephones'1999 5,983,077'Systems and methods for automatic deviation setting and control in radio transmitters'1999 5,960,364'Satellite/cellular phone using different channel spacings on forward and return links'1999 5,959,984'Dual mode satellite/cellular terminal'1999 5,944,774'Methods apparatus and computer program products for accumulating logarithmic values'1999 5,943,324'Methods and apparatus for mobile station to mobile station communications in a mobile satellite communication system'1999 5,940,431'Access technique of channel hopping communications system'1999 5,940,742'Two-way paging system and apparatus'1999 5,937,015'Interference mitigation by joint decoding of overlapped signals'1999 5,933,766'Intermodulation compensation in multi-channel amplifiers'1999 5,931,893'Efficient correlation over a sliding window'1999 5,930,128'Power waveform synthesis using bilateral devices'1999 5,918,169'Homodyne cellular base station'1999 5,910,182'Data communications systems and methods using interspersed error detection bits'1999 5,909,465'Method and apparatus for bidirectional demodulation of digitally modulated signals'1999 5,909,460'Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array'1999 5,903,835'Satellite communications adapter for cellular handset'1999 5,896,375'Short-range radio communications system and method of use'1999 5,894,473'Multiple access communications system and method using code and time division'1999 5,883,929'Synchronization method, and associated circuitry, for synchronizing a receiver with a transmitter'1999 5,881,105'System and method for the non-sequential transmission of control signals within a speech transmission'1999 5,867,537'Balanced tranversal I,Q filters for quadrature modulators'1999 5,862,173'Re-orthogonalization of wideband CDMA signals'1999 5,859,664'Method and apparatus for line or frame-synchronous frequency hopping of video transmissions'1999 5,848,060'Cellular/satellite communications system with improved frequency re-use'1998 5,844,987'Communications system and method using vehicle identifications'1998 5,844,894'Time-reuse partitioning system and methods for cellular radio telephone systems'1998 5,844,925'Spiral scrambling'1998 5,842,115'Time-duplex wireless telephone with improved hearing-aid compatibility'1998 5,841,816'Diversity Pi/4-DQPSK demodulation'1998 5,842,140'Waste energy control and management in power amplifiers'1998 5,841,766'Diversity-oriented channel allocation in a mobile communications system'1998 5,839,075'Methods and systems for allocating a cellular communications channel for communication between a cellular terminal and a telephone base station using received signal strength measurements'1998 5,838,267'Method and apparatus for encoding and decoding digital information'1998 5,834,987'Frequency synthesizer systems and methods for three-point modulation with a DC response'1998 5,831,977'Subtractive CDMA system with simultaneous subtraction in code space and direction-of-arrival space'1998 5,832,389'Wideband digitization systems and methods for cellular radiotelephones'1998 5,825,889'Use of duplex cipher algorithms for satellite channels with delay'1998 5,826,173'Efficient paging system with sleep mode duration determined by the guaranteed number of repeats'1998 5,822,310'High power short message service using broadcast control channel'1998 5,818,298'Linear amplifying apparatus using coupled non-linear amplifiers'1998 5,815,531'Transmitter for encoded data bits'1998 5,812,947'Cellular/satellite communications systems with improved frequency re-use'1998 5,812,955'Base station which relays cellular verification signals via a telephone wire network to verify a cellular radio telephone'1998 5,812,539'Dual mode satellite/cellular terminal'1998 5,812,544'Dual mode portable telephone unit'1998 5,809,141'Method and apparatus for enabling mobile-to-mobile calls in a communication system'1998 5,790,549'Subtractive multicarrier CDMA access methods and systems'1998 5,790,606'Joint demodulation using spatial maximum likelihood'1998 5,771,288'Multiple access coding for radio communications'1998 5,771,444'Waste energy control and management in power amplifiers'1998 5,764,646'Packet data transmission with clash subtraction'1998 5,757,789'Dual mode satellite/cellular terminal'1998 5,757,787'Dual mode satellite/cellular terminal'1998 5,751,762'Multichannel receiver using analysis by synthesis'1998 5,749,051'Compensation for second order intermodulation in a homodyne receiver'1998 5,748,134'Method and apparatus for converting an analog signal into digital format'1998 5,745,856'Radio receiver for demodulating both wideband and narrowband modulated signals'1998 5,745,523'Multi-mode signal processing'1998 5,742,908'Frequency error correction in a satellite-mobile communications system'1998 5,742,678'Multiple access coding for radio communications'1998 5,732,325'Waste energy control and management in power amplifiers'1998 5,729,538'Dual mode satellite/cellular terminal'1998 5,727,023'Apparatus for and method of speech digitizing'1998 5,724,666'Polarization diversity phased array cellular base station and associated methods'1998 5,715,278'Standby power saving in mobile phones'1998 5,712,637'Slope, drift and offset compensation in zero-IF receivers'1998 5,708,971'Two-way paging system and apparatus'1998 5,701,329'Standby power savings with cumulative party check in mobile phones'1997 5,694,433'Efficient linear power amplification'1997 5,680,418'Removing low frequency interference in a digital FM receiver'1997 5,680,450'Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2014Patents assigned to ERICSSON TELEFON AB L M (63)· patent assignee history

1991–2002Patents assigned to ERICSSON GE MOBILE COMMUNICAT (42)· patent assignee history

1991–2003Based in Stehag, SE· patent location history

1993–2007Based in Stehags, SE· patent location history

1994–1995Based in Cary, NC, US· patent location history

1996–1999Patents assigned to ERICSSON GE MOBILE INC (99)· patent assignee history

1997–2020Based in Pittsboro, NC, US· patent location history

1999–2011Patents assigned to ERICSSON INC (149)· patent assignee history

2012–2017Patents assigned to DENT PAUL WILKINSON (22)· patent assignee history

2019–2020Based in Richmond, VA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ERICSSON INC	149	1999–2011
ERICSSON GE MOBILE INC	99	1996–1999
ERICSSON TELEFON AB L M	63	1991–2014
ERICSSON GE MOBILE COMMUNICAT	42	1991–2002
DENT PAUL WILKINSONself	22	2012–2017

Locations

Location	Patents	Span
Pittsboro, NC, US	232	1997–2020
Stehag, SE	105	1991–2003
Stehags, SE	40	1993–2007
Cary, NC, US	3	1994–1995
Richmond, Virginia, US	2	2019–2020