Inventor · disambiguated record
Douglas M. Farrar
Also filed as: FARRAR DOUGLAS · FARRAR DOUGLAS M
19 granted patents·963 citations·filing 1991–2015
96Inventor score
Top patents by PatentIndex Score
19 records- 0198US7869608B2Electronic device accessoryAPPLE INC·Filed 2008·Granted Jan 11, 2011·104 cites·28 claims
- 0298US7769187B1Communications circuits for electronic devices and accessoriesAPPLE INC·Filed 2009·Granted Aug 3, 2010·119 cites·18 claims
- 0398US7627128B2Methods of calibrating tone-based communications systemsAPPLE INC·Filed 2008·Granted Dec 1, 2009·100 cites·11 claims
- 0498US7623667B2Electronic device accessory with ultrasonic tone generatorAPPLE INC·Filed 2008·Granted Nov 24, 2009·125 cites·12 claims
- 0596US5910991AMethod and apparatus for a speaker for a personal computer for selective use as a conventional speaker or as a sub-wooferAPPLE COMPUTER·Filed 1996·Granted Jun 8, 1999·343 cites·10 claims
- 0694US8254592B2Electronic device and external equipment with configurable audio path circuitrySANDER WENDELL B·Filed 2009·Granted Aug 28, 2012·32 cites·12 claims
- 0786US8600080B2Methods for communicating with electronic device accessoriesSANDER WENDELL B·Filed 2008·Granted Dec 3, 2013·7 cites·21 claims
- 0879US8995689B2Electronic device circuitry for communicating with accessoriesSANDER WENDELL B·Filed 2008·Granted Mar 31, 2015·3 cites·40 claims
- 0979US8369534B2Mode switching noise cancellation for microphone-speaker combinations used in two way audio communicationsAPPLE INC·Filed 2012·Granted Feb 5, 2013·4 cites·15 claims
- 1077US8150058B2Mode switching noise cancellation for microphone-speaker combinations used in two way audio communicationsJOHNSON TIMOTHY M·Filed 2009·Granted Apr 3, 2012·4 cites·17 claims
- 1176US8976976B2Accessory adapter with user input interfaceSANDER WENDELL B·Filed 2008·Granted Mar 10, 2015·2 cites·13 claims
- 1273US9680980B2Electronic device accessoryAPPLE INC·Filed 2015·Granted Jun 13, 2017·1 cites·19 claims
- 1373US7408403B2Circuits and methods for amplifying signalsAPPLE INC·Filed 2006·Granted Aug 5, 2008·7 cites·26 claims
- 1473US6256682B1Signaling of power modes over an interface busAPPLE COMPUTER·Filed 1998·Granted Jul 3, 2001·64 cites·29 claims
- 1570US8983093B2Electronic device circuitry for communicating with accessoriesSANDER WENDELL B·Filed 2008·Granted Mar 17, 2015·1 cites·7 claims
- 1670US8891790B2Methods for using an accessory to communicate with an electronic deviceSANDER WENDELL B·Filed 2008·Granted Nov 18, 2014·1 cites·5 claims
- 1764US5357214AMethods and apparatus for microphone preamplificationAPPLE COMPUTER·Filed 1993·Granted Oct 18, 1994·17 cites·6 claims
- 1850US5995633ASystem and method for multiplexing control signals over data signal conductorsAPPLE COMPUTER·Filed 1996·Granted Nov 30, 1999·20 cites·14 claims
- 1930US5309565ADsack clampAPPLE COMPUTER·Filed 1991·Granted May 3, 1994·9 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →