Inventor · disambiguated record
David E. Borth
Also filed as: BORTH DAVID E · BORTH DAVID EDWARD
29 granted patents·2,978 citations·filing 1985–1996
98Inventor score
Files withMOTOROLA INC29
Top patents by PatentIndex Score
29 records- 0199US4630304AAutomatic background noise estimator for a noise suppression systemMOTOROLA INC·Filed 1985·Granted Dec 16, 1986·313 cites·33 claims
- 0297US4852090ATDMA communications system with adaptive equalizationMOTOROLA INC·Filed 1988·Granted Jul 25, 1989·228 cites·28 claims
- 0397US4630305AAutomatic gain selector for a noise suppression systemMOTOROLA INC·Filed 1985·Granted Dec 16, 1986·390 cites·42 claims
- 0496US4737976AHands-free control system for a radiotelephoneMOTOROLA INC·Filed 1985·Granted Apr 12, 1988·203 cites·48 claims
- 0596US4628529ANoise suppression systemMOTOROLA INC·Filed 1985·Granted Dec 9, 1986·281 cites·51 claims
- 0692US4775851AMultiplierless decimating low-pass filter for a noise-shaping A/D converterMOTOROLA INC·Filed 1987·Granted Oct 4, 1988·58 cites·22 claims
- 0790US4829543APhase-coherent TDMA quadrature receiver for multipath fading channelsMOTOROLA INC·Filed 1987·Granted May 9, 1989·115 cites·14 claims
- 0888US5121412AAll-digital quadrature modulatorMOTOROLA INC·Filed 1989·Granted Jun 9, 1992·104 cites·48 claims
- 0987US5142551ASignal weighting system for digital receiverMOTOROLA INC·Filed 1991·Granted Aug 25, 1992·96 cites·20 claims
- 1086US5737327AMethod and apparatus for demodulation and power control bit detection in a spread spectrum communication systemMOTOROLA INC·Filed 1996·Granted Apr 7, 1998·170 cites·33 claims
- 1183US5233632ACommunication system receiver apparatus and method for fast carrier acquisitionMOTOROLA INC·Filed 1991·Granted Aug 3, 1993·77 cites·15 claims
- 1282US5381443AMethod and apparatus for frequency hopping a signalling channel in a communication systemMOTOROLA INC·Filed 1992·Granted Jan 10, 1995·132 cites·22 claims
- 1379US5574973AMethod of registering/-reassigning a call in a dual mode communication networkMOTOROLA INC·Filed 1995·Granted Nov 12, 1996·98 cites·17 claims
- 1479US5379324ASystem and method for calculating channel gain and noise variance of a communication channelMOTOROLA INC·Filed 1993·Granted Jan 3, 1995·58 cites·4 claims
- 1579US5214675ASystem and method for calculating channel gain and noise variance of a communication channelMOTOROLA INC·Filed 1991·Granted May 25, 1993·57 cites·29 claims
- 1677US4847869ARapid reference acquisition and phase error compensation for radio transmission of dataMOTOROLA INC·Filed 1987·Granted Jul 11, 1989·45 cites·16 claims
- 1776US5878324AMethod and system for distribution of wireless digital multimedia signals in a cellular patternMOTOROLA INC·Filed 1995·Granted Mar 2, 1999·103 cites·18 claims
- 1876US5144644ASoft trellis decodingMOTOROLA INC·Filed 1989·Granted Sep 1, 1992·45 cites·11 claims
- 1974US4887050AFrequency control apparatus and method for a digital radio receiverMOTOROLA INC·Filed 1989·Granted Dec 12, 1989·44 cites·43 claims
- 2074US4873683ATDMA radio system employing BPSK synchronization for QPSK signals subject to random phase variation and multipath fadingMOTOROLA INC·Filed 1987·Granted Oct 10, 1989·41 cites·13 claims
- 2171US5301364AMethod and apparatus for digital automatic gain control in a receiverMOTOROLA INC·Filed 1993·Granted Apr 5, 1994·92 cites·6 claims
- 2265US5276685ADigital automatic gain controlMOTOROLA INC·Filed 1992·Granted Jan 4, 1994·49 cites·25 claims
- 2364US5712868ADual mode communication networkMOTOROLA INC·Filed 1992·Granted Jan 27, 1998·63 cites·22 claims
- 2463US5392300ADual mode radio communication unitMOTOROLA INC·Filed 1992·Granted Feb 21, 1995·43 cites·18 claims
- 2554US4910470ADigital automatic frequency control of pure sine wavesMOTOROLA INC·Filed 1988·Granted Mar 20, 1990·11 cites·16 claims
- 2651US5133010AMethod and apparatus for synthesizing speech without voicing or pitch informationMOTOROLA INC·Filed 1990·Granted Jul 21, 1992·25 cites·43 claims
- 2747US5263052AViterbi equalizer for radio receiverMOTOROLA INC·Filed 1991·Granted Nov 16, 1993·18 cites·9 claims
- 2841US4723288AStereo decoding by direct time samplingMOTOROLA INC·Filed 1986·Granted Feb 2, 1988·8 cites·9 claims
- 2939US6111923ASystem and method for calculating a state transition metric in a viterbi equalizerMOTOROLA INC·Filed 1996·Granted Aug 29, 2000·11 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →