Inventor · disambiguated record
David R. Irvin
Also filed as: IRVIN DAVID · IRVIN DAVID R · IRVIN DAVID RAND
45 granted patents·2 pending applications·4,014 citations·filing 1982–2005
99Inventor score
Top patents by PatentIndex Score
47 records- 0198US6556819B2Safe zones for portable electronic devicesERICSSON INC·Filed 2002·Granted Apr 29, 2003·189 cites·21 claims
- 0298US6360101B1Cellular phone that displays or sends messages upon its arrival at a predetermined locationERICSSON INC·Filed 1998·Granted Mar 19, 2002·421 cites·22 claims
- 0398US6297737B1Object locating systemERICSSON INC·Filed 2000·Granted Oct 2, 2001·330 cites·27 claims
- 0497US7010332B1Wireless headset with automatic power controlERICSSON TELEFON AB L M·Filed 2000·Granted Mar 7, 2006·329 cites·9 claims
- 0596US4630261AIntegrated buffer management and signaling techniqueIBM·Filed 1984·Granted Dec 16, 1986·99 cites·10 claims
- 0695US6678508B1Power conservation method for mobile communications device with two receiversERICSSON INC·Filed 2000·Granted Jan 13, 2004·124 cites·41 claims
- 0793US6542758B1Distributed radio telephone for use in a vehicleERICSSON INC·Filed 1999·Granted Apr 1, 2003·153 cites·17 claims
- 0892US5889384APower transfer and voltage level conversion for a battery-powered electronic deviceERICSSON GE MOBILE INC·Filed 1997·Granted Mar 30, 1999·141 cites·21 claims
- 0991US7606578B2Method of generating control signals based on location of radio terminalsERICSSON TELEFON AB L M·Filed 2005·Granted Oct 20, 2009·18 cites·35 claims
- 1090US6532374B1Distributed radio telephone for use in a vehicleERICSSON INC·Filed 2000·Granted Mar 11, 2003·53 cites·13 claims
- 1190US6115394AMethods, apparatus and computer program products for packet transport over wireless communication linksERICSSON INC·Filed 1998·Granted Sep 5, 2000·153 cites·39 claims
- 1288US5121396APreservation of crc integrity upon intentional data alteration during message transmissionIBM·Filed 1988·Granted Jun 9, 1992·92 cites·5 claims
- 1387US6768909B1Handoff between external and internal positioning systemsERICSSON INC·Filed 2000·Granted Jul 27, 2004·70 cites·29 claims
- 1487US6658264B1Wireless communications terminals and methods including multiple entry phonebook for multiple transceiversERICSSON INC·Filed 2000·Granted Dec 2, 2003·48 cites·33 claims
- 1587US6029074AHand-held cellular telephone with power management featuresERICSSON INC·Filed 1997·Granted Feb 22, 2000·136 cites·9 claims
- 1687US6021317ADual antenna radiotelephone systems including an antenna-management matrix switch and associated methods of operationERICSSON INC·Filed 1997·Granted Feb 1, 2000·106 cites·23 claims
- 1786US5867794AAudio-output for a portable radio telephone utilizing a vehicle's AM/FM radioERICSSON GE MOBILE INC·Filed 1996·Granted Feb 2, 1999·124 cites·19 claims
- 1885US6138026AMethod and apparatus for locating a wireless communication deviceERICSSON INC·Filed 1998·Granted Oct 24, 2000·115 cites·23 claims
- 1984US6119022ASystem for alerting portable communication device user of incoming callERICSSON INC·Filed 1997·Granted Sep 12, 2000·114 cites·28 claims
- 2084US4823345AMethod and apparatus for communication network alert record identificationIBM·Filed 1987·Granted Apr 18, 1989·84 cites·6 claims
- 2183US4628156ACanceller trained echo suppressorIBM·Filed 1982·Granted Dec 9, 1986·51 cites·3 claims
- 2281US6832314B1Methods and apparatus for selective encryption and decryption of point to multi-point messagesERICSSON INC·Filed 1999·Granted Dec 14, 2004·88 cites·44 claims
- 2381US6424056B1Keyless entry system for a vehicleTELEFONAKTIEBOLAGET LME·Filed 2000·Granted Jul 23, 2002·59 cites·18 claims
- 2480US5862160ASecondary channel for communication networksERICSSON GE MOBILE INC·Filed 1996·Granted Jan 19, 1999·118 cites·11 claims
- 2579US6195568B1Radiotelephone adapted to the identity of its userERICSSON INC·Filed 1998·Granted Feb 27, 2001·108 cites·30 claims
- 2678US6987975B1Method of generating control signals based on location of radio terminalsERICSSON INC·Filed 1999·Granted Jan 17, 2006·70 cites·17 claims
- 2776US6418211B1Adaptive call screening methodERICSSON INC·Filed 1998·Granted Jul 9, 2002·65 cites·23 claims
- 2875US5929604ABattery-discharge-protection system for electronic accessories used in vehicles containing a batteryERICSSON GE MOBILE INC·Filed 1997·Granted Jul 27, 1999·68 cites·32 claims
- 2975US4644108AAdaptive sub-band echo suppressorIBM·Filed 1982·Granted Feb 17, 1987·34 cites·2 claims
- 3073US6192236B1Apparatus and methods for remote control of accessory devices using a radiotelephone as a receiverERICSSON INC·Filed 1997·Granted Feb 20, 2001·63 cites·15 claims
- 3171US5832390AUntethered microphone and base unitERICSSON GE MOBILE INC·Filed 1996·Granted Nov 3, 1998·55 cites·13 claims
- 3269US5973476ABattery packs including rechargeable and non-rechargeable batteries and related systems and methodsERICSSON INC·Filed 1997·Granted Oct 26, 1999·52 cites·36 claims
- 3368US6665834B2Flexible method of error protection in communications systemsFiled 2002·Granted Dec 16, 2003·10 cites·17 claims
- 3468US5745502AError detection scheme for ARQ systemsERICSSON GE MOBILE INC·Filed 1996·Granted Apr 28, 1998·64 cites·17 claims
- 3567US6035178ASatellite communication system for local-area coverageERICSSON INC·Filed 1996·Granted Mar 7, 2000·37 cites·17 claims
- 3664US6678854B1Methods and systems for providing a second data signal on a frame of bits including a first data signal and an error-correcting codeERICSSON INC·Filed 1999·Granted Jan 13, 2004·24 cites·21 claims
- 3762US6738946B1Methods, communication devices, and computer program products for communicating information via a frame check sequence having an information block associated therewithERICSSON TELEFON AB L M·Filed 2000·Granted May 18, 2004·11 cites·32 claims
- 3861US4679187AAdaptive trunk-compression system with constant grade of serviceIBM·Filed 1985·Granted Jul 7, 1987·22 cites·12 claims
- 3956US6072868ATelephone with touch-any-key dialing modeERICSSON INC·Filed 1998·Granted Jun 6, 2000·23 cites·28 claims
- 4053US6324395B1Apparatus and methods for assigning spectral and non-spectral resource charges in wireless communications systemsERICSSON INC·Filed 1998·Granted Nov 27, 2001·20 cites·22 claims
- 4152US6405340B1Flexible method of error protection in communications systemsERICSSON INC·Filed 1999·Granted Jun 11, 2002·22 cites·29 claims
- 4252US6381713B1Method for responding to transmission errors in a digital communication system according to characteristics of flawed information fieldsERICSSON INC·Filed 1999·Granted Apr 30, 2002·27 cites·27 claims
- 4342US2002072917A1Method and apparatus for speech recognition incorporating location informationFiled 2000·Application pending·0 cites
- 4442US2002138732A1Methods, systems and computer program products for providing digital signatures in a network environmentFiled 2001·Application pending·0 cites
- 4540US6518921B1Cellular positioning system that compensates for received signal delays in positioning radio receiversERICSSON INC·Filed 1997·Granted Feb 11, 2003·12 cites·26 claims
- 4640US6002943APower limiting circuit for radio communication device with a retractable antennaERICSSON INC·Filed 1997·Granted Dec 14, 1999·9 cites·10 claims
- 4729US6282685B1Methods and apparatus for signaling using parity statusERICSSON INC·Filed 1997·Granted Aug 28, 2001·3 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →