Assignee
PACIFIC COMM SCIENCES INC
US·47 granted patents·2,764 citations·filing 1988–1998
Top patents by PatentIndex Score
47 records- 0196US5797098AUser interface for cellular telephonePACIFIC COMM SCIENCES INC·Filed 1995·Granted Aug 18, 1998·335 cites·11 claims
- 0296US5533029ACellular digital packet data mobile data base stationPACIFIC COMM SCIENCES INC·Filed 1995·Granted Jul 2, 1996·218 cites·20 claims
- 0395US5444696AFrame structure using consecutive slot assignments for mobile communicationsPACIFIC COMM SCIENCES INC·Filed 1993·Granted Aug 22, 1995·109 cites·20 claims
- 0493US5406613AMethod and apparatus for reducing power consumption in cellular telephone by adaptively determining the reliability of the reception of a received message blockPACIFIC COMM SCIENCES INC·Filed 1993·Granted Apr 11, 1995·161 cites·17 claims
- 0592US5544222ACellular digtial packet data mobile data base stationPACIFIC COMM SCIENCES INC·Filed 1993·Granted Aug 6, 1996·229 cites·52 claims
- 0691US6058289AMethod and apparatus for low power mobile unit for cellular communications systemPACIFIC COMM SCIENCES INC·Filed 1995·Granted May 2, 2000·158 cites·18 claims
- 0790US5376894APhase estimation and synchronization using a PSK demodulatorPACIFIC COMM SCIENCES INC·Filed 1992·Granted Dec 27, 1994·123 cites·22 claims
- 0887US5722040AMethod and apparatus of frequency generation for use with digital cordless telephonesPACIFIC COMM SCIENCES INC·Filed 1993·Granted Feb 24, 1998·87 cites·49 claims
- 0987US5594943AMethod and apparatus for efficient handoffs by mobile communication entitiesPACIFIC COMM SCIENCES INC·Filed 1996·Granted Jan 14, 1997·136 cites·51 claims
- 1081US5491700AMethod and apparatus for code error correction using an ordered syndrome and error correction lookup tablePACIFIC COMM SCIENCES INC·Filed 1993·Granted Feb 13, 1996·46 cites·23 claims
- 1178US5625652ATiming recovery controller and method for adjusting the timing of synchronizing windows in a PSK demodulatorPACIFIC COMM SCIENCES INC·Filed 1995·Granted Apr 29, 1997·78 cites·8 claims
- 1277US6434395B1Portable communications and data terminal having multiple modes of operationPACIFIC COMM SCIENCES INC·Filed 1996·Granted Aug 13, 2002·76 cites·6 claims
- 1376US5481571AMethod and apparatus for switching between radio frequency circuitsPACIFIC COMM SCIENCES INC·Filed 1993·Granted Jan 2, 1996·52 cites·14 claims
- 1475US5819184APortable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messagesPACIFIC COMM SCIENCES INC·Filed 1995·Granted Oct 6, 1998·73 cites·16 claims
- 1574US6826400B1Method and apparatus for concurrent monitoring of divergent wireless telecommunication systemsPACIFIC COMM SCIENCES INC·Filed 1998·Granted Nov 30, 2004·71 cites·10 claims
- 1673US5627499ADigital modulator and upconverter having single-bit delta-sigma data convertersPACIFIC COMM SCIENCES INC·Filed 1995·Granted May 6, 1997·33 cites·10 claims
- 1768US5717824AAdaptive speech coder having code excited linear predictor with multiple codebook searchesPACIFIC COMM SCIENCES INC·Filed 1993·Granted Feb 10, 1998·55 cites·21 claims
- 1868US5570056ABipolar analog multipliers for low voltage applicationsPACIFIC COMM SCIENCES INC·Filed 1995·Granted Oct 29, 1996·29 cites·23 claims
- 1964US5819182AMethod and apparatus for improving receiver performance in a land mobile communications systemPACIFIC COMM SCIENCES INC·Filed 1995·Granted Oct 6, 1998·53 cites·39 claims
- 2063US5610949APhase detector and a method determining the phase of received PSK symbolsPACIFIC COMM SCIENCES INC·Filed 1994·Granted Mar 11, 1997·28 cites·12 claims
- 2162US6157836APortable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messagesPACIFIC COMM SCIENCES INC·Filed 1998·Granted Dec 5, 2000·38 cites·9 claims
- 2261US5473637AOpen-loop phase estimation methods and apparatus for coherent demodulation of phase modulated carriers in mobile channelsPACIFIC COMM SCIENCES INC·Filed 1993·Granted Dec 5, 1995·38 cites·16 claims
- 2361US5457783AAdaptive speech coder having code excited linear predictionPACIFIC COMM SCIENCES INC·Filed 1992·Granted Oct 10, 1995·44 cites·16 claims
- 2460US5412353APhase-locked loop frequency modulation circuit for input modulation signals having low-frequency contentPACIFIC COMM SCIENCES INC·Filed 1993·Granted May 2, 1995·22 cites·3 claims
- 2559US6184796B1Method and apparatus for automatic telephone dialing from a pager messagePACIFIC COMM SCIENCES INC·Filed 1996·Granted Feb 6, 2001·35 cites·30 claims
- 2659US5946624ASynchronized frequency hoppingPACIFIC COMM SCIENCES INC·Filed 1996·Granted Aug 31, 1999·39 cites·14 claims
- 2759US5574750AMethods and apparatus for detecting a cellular digital packet data (CDPD) carrierPACIFIC COMM SCIENCES INC·Filed 1993·Granted Nov 12, 1996·30 cites·11 claims
- 2858US4991213ASpeech specific adaptive transform coderPACIFIC COMM SCIENCES INC·Filed 1988·Granted Feb 5, 1991·33 cites·8 claims
- 2956US5594758AFrequency controller and method of correcting phase estimates in a PSK demodulator using frequency controlPACIFIC COMM SCIENCES INC·Filed 1995·Granted Jan 14, 1997·25 cites·14 claims
- 3055US5790941AMethod and apparatus for regenerating the symbol clock of a cellular telephone following a sleep cyclePACIFIC COMM SCIENCES INC·Filed 1995·Granted Aug 4, 1998·34 cites·18 claims
- 3155US5517530AMethod and apparatus for dual demodulation of mobile channel signalsPACIFIC COMM SCIENCES INC·Filed 1995·Granted May 14, 1996·33 cites·13 claims
- 3252US5542095AFrequency Reference CompensationPACIFIC COMM SCIENCES INC·Filed 1993·Granted Jul 30, 1996·21 cites·18 claims
- 3352US5420887AProgrammable digital modulator and methods of modulating digital dataPACIFIC COMM SCIENCES INC·Filed 1992·Granted May 30, 1995·20 cites·24 claims
- 3449US5600678AProgrammable digital modulator and methods of modulating digital dataPACIFIC COMM SCIENCES INC·Filed 1994·Granted Feb 4, 1997·16 cites·16 claims
- 3549US5524127AUnique word detector and method for detecting a unique word within one of several windows offset in timePACIFIC COMM SCIENCES INC·Filed 1995·Granted Jun 4, 1996·17 cites·6 claims
- 3648US5862326AEfficient request-reply protocol for a client-server modelPACIFIC COMM SCIENCES INC·Filed 1995·Granted Jan 19, 1999·41 cites·4 claims
- 3747US5535299AAdaptive error control for ADPCM speech codersPACIFIC COMM SCIENCES INC·Filed 1993·Granted Jul 9, 1996·20 cites·22 claims
- 3844US6694146B1Method for reducing time required to receive and decode a temporary equipment identifier messagePACIFIC COMM SCIENCES INC·Filed 1995·Granted Feb 17, 2004·18 cites·26 claims
- 3944US5511098ADigital methods and apparatus reverse link signal detection and recovery in a mobile data base stationPACIFIC COMM SCIENCES INC·Filed 1993·Granted Apr 23, 1996·10 cites·5 claims
- 4042US5615222AADPCM coding and decoding techniques for personal communication systemsPACIFIC COMM SCIENCES INC·Filed 1994·Granted Mar 25, 1997·13 cites·26 claims
- 4142US5526527AMethod and apparatus for frequency synthesization in digital cordless telephonesPACIFIC COMM SCIENCES INC·Filed 1993·Granted Jun 11, 1996·11 cites·24 claims
- 4241US5854808AMethods and apparatus for detecting the presence of a prescribed signal in a channel of a communications systemPACIFIC COMM SCIENCES INC·Filed 1996·Granted Dec 29, 1998·14 cites·30 claims
- 4340US5793187ASystem and method for increasing the available energy in non-rechargeable batteriesPACIFIC COMM SCIENCES INC·Filed 1996·Granted Aug 11, 1998·17 cites·15 claims
- 4435US5719902AMethods and apparatus for detecting cellular digital packet data (CDPD)PACIFIC COMM SCIENCES INC·Filed 1995·Granted Feb 17, 1998·11 cites·12 claims
- 4535US5617063AMatched filters for processing related signal componentsPACIFIC COMM SCIENCES INC·Filed 1995·Granted Apr 1, 1997·5 cites·12 claims
- 4634US5504786AOpen loop phase estimation methods and apparatus for coherent combining of signals using spatially diverse antennas in mobile channelsPACIFIC COMM SCIENCES INC·Filed 1993·Granted Apr 2, 1996·5 cites·18 claims
- 4730US5834961AGated-clock registers for low-power circuitryPACIFIC COMM SCIENCES INC·Filed 1996·Granted Nov 10, 1998·4 cites·2 claims
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