Farrar; Douglas M.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Farrar; Douglas M..The latest application filed is for "electronic device accessory".

Company Profile

0.22.13

Farrar; Douglas M. - Los Altos CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electronic device accessory Grant 9,680,980 - Sander , et al. June 13, 2	2017-06-13
Electronic Device Accessory App 20150208159 - Sander; Wendell B. ; et al.	2015-07-23
Electronic device circuitry for communicating with accessories Grant 8,995,689 - Sander , et al. March 31, 2	2015-03-31
Electronic device circuitry for communicating with accessories Grant 8,983,093 - Sander , et al. March 17, 2	2015-03-17
Accessory adapter with user input interface Grant 8,976,976 - Sander , et al. March 10, 2	2015-03-10
Methods for using an accessory to communicate with an electronic device Grant 8,891,790 - Sander , et al. November 18, 2	2014-11-18
Methods for communicating with electronic device accessories Grant 8,600,080 - Sander , et al. December 3, 2	2013-12-03
Mode switching noise cancellation for microphone-speaker combinations used in two way audio communications Grant 8,369,534 - Johnson , et al. February 5, 2	2013-02-05
Electronic device and external equipment with configurable audio path circuitry Grant 8,254,592 - Sander , et al. August 28, 2	2012-08-28
Mode Switching Noise Cancellation For Microphone-speaker Combinations Used In Two Way Audio Communications App 20120183159 - Johnson; Timothy M. ; et al.	2012-07-19
Mode switching noise cancellation for microphone-speaker combinations used in two way audio communications Grant 8,150,058 - Johnson , et al. April 3, 2	2012-04-03
Mode Switching Noise Cancellation For Microphone-speaker Combinations Used In Two Way Audio Communications App 20110033060 - Johnson; Timothy M. ; et al.	2011-02-10
Electronic device accessory Grant 7,869,608 - Sander , et al. January 11, 2	2011-01-11
Electronic Device And External Equipment With Configurable Audio Path Circuitry App 20100260362 - Sander; Wendell B. ; et al.	2010-10-14
Communications circuits for electronic devices and accessories Grant 7,769,187 - Farrar , et al. August 3, 2	2010-08-03
Methods of calibrating tone-based communications systems Grant 7,627,128 - Sander , et al. December 1, 2	2009-12-01
Electronic device accessory with ultrasonic tone generator Grant 7,623,667 - Sander , et al. November 24, 2	2009-11-24
Methods For Using An Accessory To Communicate With An Electronic Device App 20090180353 - Sander; Wendell B. ; et al.	2009-07-16
Methods Of Calibrating Tone-based Communications Systems App 20090180629 - Sander; Wendell B. ; et al.	2009-07-16
Accessory Adapter With User Input Interface App 20090180642 - Sander; Wendell B. ; et al.	2009-07-16
Electronic Device Circuitry For Communicating With Accessories App 20090180643 - Sander; Wendell B. ; et al.	2009-07-16
Electronic Device Circuitry For Communicating With Accessories App 20090180630 - Sander; Wendell B. ; et al.	2009-07-16
Electronic Device Accessory App 20090179768 - Sander; Wendell B. ; et al.	2009-07-16
Electronic Device Accessory With Ultrasonic Tone Generator App 20090180659 - Sander; Wendell B. ; et al.	2009-07-16
Methods For Communicating With Electronic Device Accessories App 20090180354 - Sander; Wendell B. ; et al.	2009-07-16
Circuits and methods for amplifying signals Grant 7,408,403 - Farrar , et al. August 5, 2	2008-08-05
Circuits and methods for amplifying signals App 20070257732 - Farrar; Douglas M. ; et al.	2007-11-08
Signaling of power modes over an interface bus Grant 6,256,682 - Gudan , et al. July 3, 2	2001-07-03
Method and apparatus for a speaker for a personal computer for selective use as a conventional speaker or as a sub-woofer Grant 5,910,991 - Farrar June 8, 1	1999-06-08

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