Inventor
William O. Camp, Jr.
Inventor
Chapel Hill, NC, US
Overview
Patents· 111 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication18%
H04WWireless communication networks16%
G01SRadio direction-finding13%
H04BTransmission9%
H03FAmplifiers7%
H04MTelephonic communication5%
H04NPictorial communication, e.g. television5%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
H03CModulation4%
G01CMeasuring distances, levels or bearings3%
PatentTitleYear
9,590,715'WCDMA power saving with transmit diversity'20179,509,867'Methods and apparatus for collecting image data'20169,451,547'Coordinated signaling of scheduling information for uplink and downlink communications'20169,270,751'Peer to peer connection'20169,264,184'Coordinated signaling of scheduling information for uplink and downlink communications'20168,798,075'Peer to peer connection'20148,782,177'Wireless communications to receiver devices using control terminal communication link set-up'20148,762,715'Event triggered pairing of wireless communication devices based on time measurements'20148,706,053'Communications circuitry for an electronic device'20148,676,869'Adaptive display for enhancing audio playback'20148,519,982'Active acoustic touch location for electronic devices'20138,503,403'Network control of uplink transmit timing for compressed mode'20138,385,865'Evolved EDGE receiver'20138,374,254'Multimedia stream combining'20138,369,289'Reuse of training sequence between frequency-adjacent radio signals'20138,339,317'Methods, systems and devices for determining the location of a mobile device based on simulcast communication signals'20128,185,066'Multimode power amplifier with predistortion'20128,155,032'Adaptive scheduling for half-duplex wireless terminals'20128,145,004'System and method for generating a photograph'20128,116,680'Near field communication search for mobile communication devices'20128,106,749'Touchless control of a control device'20128,102,810'Adaptively selecting signal constellations for multi-carrier edge'20128,098,881'Advertisement insertion systems and methods for digital cameras based on object recognition'20128,099,108'Mobile terminals including display screens capable of displaying maps and map display methods for mobile terminals'20128,073,390'Synchronizing satellite positioning system information to features of short-range, ad hoc wireless network protocols'20118,050,405'Shared key encryption using long keypads'20118,045,799'System and method for generating a photograph with variable image quality'20118,045,543'Methods and apparatus for supplying alternative contact information in a communication system'20118,040,921'Method and apparatus for controlling the transfer of private information in a communication system'20118,040,219'System and method for in-building location determination'20118,023,996'Cellular terminals and other electronic devices and methods that adjust projected video images to compensate for color, brightness, and/or pattern of a display surface'20118,023,931'Call rerouting'20117,973,711'Controlling satellite navigation receivers in response to low frequency electromagnetic signals'20117,969,297'System and method for determining positioning information via modulated light'20117,957,702'Adaptive duplex modes in telecommunication equipment'20117,945,251'Locating a service device for a portable communication device'20117,904,078'Mobile peer-to-peer networks'20117,899,106'Mitigating OFDM receiver interference caused by intermittent signal transmission'20117,894,535'Systems and methods for distributing and/or playing multicasted video signals in multiple display formats'20117,873,330'Transceiver for reducing current consumption in a wireless communications network'20117,864,043'Home locating network'20117,843,333'System, methods, devices and computer program products for controlling electronic appliances within a local area'20107,843,886'Methods, mobile stations, and systems for determining base station identifier codes for handover candidates in a network'20107,813,772'Methods of operating a mobile terminal such that a communication operation mode is changed based on a current voltage of a battery that powers the mobile terminal and related mobile terminals and computer program products'20107,768,977'Establishing a communication link by selectively powering a transceiver based on a communication request received by another transceiver'20107,769,393'Cooperative global positioning system (GPS) processing by mobile terminals that communicate via an ad hoc wireless network'20107,769,348'Ad-hoc connectivity system and method'20107,756,536'Device and method for providing and displaying animated SMS messages'20107,756,467'Multimedia distribution using a near field communication capable wireless communication device'20107,738,539'Current consumption reduction with low power amplifier'20107,729,716'Reducing power consumption in mobile terminals by changing modulation schemes'20107,730,184'Digital rights management based on device proximity'20107,715,865'Compressed mode for reducing power consumption'20107,697,917'Method for safe operation of mobile phone in a car environment'20107,663,541'Method of tracking radio frequency signals'20107,653,350'Wireless terminals and methods for communicating over cellular and enhanced mode bluetooth communication links'20107,649,456'User interface for an electronic device used as a home controller'20107,613,314'Mobile terminals including compensation for hearing impairment and methods and computer program products for operating the same'20097,548,814'Display based on location information'20097,546,118'Coordinated distribution and playback of multimedia programs'20097,522,101'Positioning system for portable electronic devices'20097,477,186'Memory systems with column read to an arithmetic operation circuit, pattern detector circuits and methods and computer program products for the same'20097,453,956'Apparatus, methods and computer program products for signal acquisition using common demodulation templates'20087,358,897'Apparatus, methods and computer program products for GPS signal acquisition using an adaptive search engine'20087,321,776'Estimating GPS time at cellular terminals based on timing of information from base stations and satellites'20087,269,424'Mobile terminal implementing a ranging signal receiver and method'20077,269,846'Mobile terminal having virus resistant security module architecture'20077,251,493'Mobile terminals and methods for determining a location based on acceleration information'20077,221,958'Received signal filtering for enhanced selectivity'20076,975,686'IQ modulation systems and methods that use separate phase and amplitude signal paths'20056,934,346'Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal'20056,907,063'Mobile station, a method of transmitting electronic information, and a communications system'20056,859,507'Method and apparatus for correcting a signal'20056,839,549'System and method of RF power amplification'20056,621,876'System and method to reduce phase modulation bandwidth'20036,590,940'Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform'20036,566,944'Current modulator with dynamic amplifier impedance compensation'20036,480,046'Transmitter apparatus and methods using frequency doubling modulation'20026,424,826'Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver'20026,411,655'Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal'20026,411,826'Portable radiotelephones including patch antennas having openings therein'20026,380,802'Transmitter using input modulation for envelope restoration scheme for linear high-efficiency power amplification'20026,380,809'Method and apparatus for tuning oscillator to a selected frequency'20026,359,506'Linear modulation using a linear and a non-linear amplifier'20026,295,442'Amplitude modulation to phase modulation cancellation method in an RF amplifier'20016,285,251'Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control'20016,252,543'Location system combining ranging measurements from GPS and cellular networks'20016,240,276'Compensating for errors in tuning frequency of a global positioning satellite (GPS) receiver'20016,236,214'Method and apparatus for determining the remaining operation time of a mobile communication unit'20016,201,452'Systems and methods for converting a stream of complex numbers into a modulated radio power signal'20016,194,963'Circuit and method for I/Q modulation with independent, high efficiency amplitude modulation'20016,191,653'Circuit and method for linearizing amplitude modulation in a power amplifier'20016,181,199'Power IQ modulation systems and methods'20016,154,656'Wireless communication device and system incorporating location-determining means'20006,097,974'Combined GPS and wide bandwidth radiotelephone terminals and methods'20006,084,544'Method for determining the location of a GPS receiver using an estimated reference time'20006,070,078'Reduced global positioning system receiver code shift search space for a cellular telephone system'20006,041,222'Systems and methods for sharing reference frequency signals within a wireless mobile terminal between a wireless transceiver and a global positioning system receiver'20006,035,202'Method and apparatus for locating a mobile unit'20006,011,323'Apparatus, method and article of manufacture providing for auxiliary battery conservation in adapters'20005,875,212'Phase demodulation method and apparatus for a wireless LAN, by counting the IF period'19995,867,131'Antenna for a mobile computer'19995,867,533'Digital delta mode carrier sense for a wireless LAN'19995,561,689'Method and apparatus for digital carrier detection in a wireless lan'19965,533,069'Method and apparatus for digital frequency compensation of carrier drift in a PSK demodulator'19965,521,985'Apparatus for recognizing machine generated or handprinted text'19965,262,632'Integrated circuit for achieving pattern recognition'19935,243,302'Voltage controlled oscillator with correction of tuning curve non-linearities'19935,179,725'Voltage controlled oscillator with correction of tuning curve non-linearities'19935,072,076'Tablet digitizer with untethered stylus'19914,651,607'Mat cutter guide'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Based in Newport News, VA, US· patent location history
1991–1996Based in Ithaca, NY, US· patent location history
1996–2017Based in Chapel Hill, NC, US· patent location history
2000–2007Patents assigned to ERICSSON INC (27)· patent assignee history
2007–2012Patents assigned to SONY ERICSSON MOBILE COMM AB (48)· patent assignee history
2011–2017Patents assigned to CAMP JR WILLIAM O (22)· patent assignee history
2012–2017Patents assigned to SONY MOBILE COMM AB (15)· patent assignee history
2013–2017Patents assigned to SONY CORP (12)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY ERICSSON MOBILE COMM AB | 48 | 2007–2012 |
| ERICSSON INC | 27 | 2000–2007 |
| CAMP JR WILLIAM Oself | 22 | 2011–2017 |
| SONY MOBILE COMM AB | 15 | 2012–2017 |
| SONY CORP | 12 | 2013–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chapel Hill, NC, US | 105 | 1996–2017 |
| Ithaca, New York, US | 5 | 1991–1996 |
| Newport News, Virginia, US | 1 | 1987 |