Inventor · disambiguated record
Walter J. Downey
Also filed as: DOWNEY WALTER · DOWNEY WALTER J
26 granted patents·550 citations·filing 1991–2021
96Inventor score
Top patents by PatentIndex Score
26 records- 0194US5239686ATransceiver with rapid mode switching capabilityECHELON CORP·Filed 1991·Granted Aug 24, 1993·175 cites·14 claims
- 0288US5471209ASigma-delta converter having a digital logic gate coreECHELON CORP·Filed 1994·Granted Nov 28, 1995·62 cites·23 claims
- 0384US6043635ASwitched leg power supplyECHELON CORP·Filed 1996·Granted Mar 28, 2000·64 cites·9 claims
- 0484US5553081AApparatus and method for detecting a signal in a communications systemECHELON CORP·Filed 1994·Granted Sep 3, 1996·80 cites·65 claims
- 0576US9614706B2Method and apparatus for multi-carrier modulation (MCM) packet detection based on phase differencesECHELON CORP·Filed 2016·Granted Apr 4, 2017·2 cites·22 claims
- 0674US9363128B2Method and apparatus for phase-based multi-carrier modulation (MCM) packet detectionECHELON CORP·Filed 2013·Granted Jun 7, 2016·3 cites·22 claims
- 0772US5206657APrinted circuit radio frequency antennaECHELON CORP·Filed 1991·Granted Apr 27, 1993·41 cites·2 claims
- 0871US5463662AApparatus and method for reducing errors in data caused by noise through use of blankingECHELON CORP·Filed 1994·Granted Oct 31, 1995·45 cites·20 claims
- 0962US7227341B2Circuit for use with switched leg power supplyECHELON CORP·Filed 2005·Granted Jun 5, 2007·9 cites·31 claims
- 1059US5828676AMethod and apparatus for robust communication based upon angular modulationECHELON CORP·Filed 1996·Granted Oct 27, 1998·42 cites·89 claims
- 1154US9672009B2Method and system of improved galois multiplicationECHELON CORP·Filed 2016·Granted Jun 6, 2017·0 cites·11 claims
- 1253US9681461B2Method and system of enhancing signal processing in a shared medium networkECHELON CORP·Filed 2016·Granted Jun 13, 2017·0 cites·23 claims
- 1353US9356854B2Method and system of enhancing signal processing in a shared medium networkECHELON CORP·Filed 2013·Granted May 31, 2016·0 cites·24 claims
- 1452US9413575B2Method and apparatus for multi-carrier modulation (MCM) packet detection based on phase differencesECHELON CORP·Filed 2013·Granted Aug 9, 2016·0 cites·21 claims
- 1550US9954796B2Method and apparatus for phase-based multi-carrier modulation (MCM) packet detectionECHELON CORP·Filed 2016·Granted Apr 24, 2018·0 cites·22 claims
- 1649US11863320B2Communication media sharing among devices having dissimilar physical layer waveformsDIALOG SEMICONDUCTOR US INC·Filed 2021·Granted Jan 2, 2024·0 cites·20 claims
- 1749US9235554B2Method and system of improved Galois multiplicationDOWNEY WALTER J·Filed 2013·Granted Jan 12, 2016·0 cites·10 claims
- 1844US9250862B2Method and system of improved reed-solomon decodingDOWNEY WALTER J·Filed 2013·Granted Feb 2, 2016·0 cites·17 claims
- 1944US6484018B1Method and apparatus for defining and generating local oscillator signals for down converterECHLEON CORP·Filed 2001·Granted Nov 19, 2002·4 cites·5 claims
- 2044US6414968B1Transmission and detection of data in a dual channel transceiverECHELON CORP·Filed 1998·Granted Jul 2, 2002·13 cites·10 claims
- 2143US10135467B2Methods and systems for applying an improved interleaver for modems operating on power gridECHELON CORP·Filed 2016·Granted Nov 20, 2018·0 cites·6 claims
- 2241US6636117B2Input/output buffer incorporating filter for powerline communications lineECHELON CORP·Filed 2001·Granted Oct 21, 2003·2 cites·18 claims
- 2335US5701240AApparatus for powering a transmitter from a switched legECHELON CORP·Filed 1996·Granted Dec 23, 1997·6 cites·5 claims
- 2430US9973300B2Modulation adaption method for multi-mode modemsECHELON CORP·Filed 2016·Granted May 15, 2018·0 cites·25 claims
- 2530US6442381B1Method and apparatus for defining and generating local oscillator signals for down converterECHELON CORP·Filed 1998·Granted Aug 27, 2002·1 cites·8 claims
- 2630US6295625B1Error correcting using signal anomaly as a hintECHELON CORP·Filed 1999·Granted Sep 25, 2001·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →