P

Inventor

MACFARLANE DOUGLAS JAMES WALLACE

GB9 patents
⚠️ This page may combine multiple inventors who share the name “MACFARLANE DOUGLAS JAMES WALLACE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CIRRUS LOGIC INT SEMICONDUCTOR LTD

3 patents
US9872103B2Jan 16, 2018

Microphone biasing circuitry and method thereof

CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations50
US9661434B2May 23, 2017

Microphone biasing circuitry and method thereof

CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations50
US9490765B2Nov 8, 2016

Microphone biasing circuitry and method thereof

CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations50

MACFARLANE DOUGLAS JAMES WALLACE

2 patents
US8264273B2Sep 11, 2012

Charge pump circuit and methods of operation thereof

MACFARLANE DOUGLAS JAMES WALLACE40 citations90
US8508288B2Aug 13, 2013

Charge pump circuit and methods of operation thereof

MACFARLANE DOUGLAS JAMES WALLACE7 citations80

NOTMAN ANDREW

1 patent
US8541993B2Sep 24, 2013

DC-DC converters operable in a discontinuous switching mode

NOTMAN ANDREW88 citations96

WOLFSON MICROELECTRONICS PLC

1 patent
US9300212B2Mar 29, 2016

DC-DC converters operable in a discontinuous switching mode

WOLFSON MICROELECTRONICS PLC23 citations91

CIRRUS LOGIC INTERNAT UK LTD

1 patent
US9148722B2Sep 29, 2015

Microphone biasing circuitry and method thereof

CIRRUS LOGIC INTERNAT UK LTD5 citations82

STEELE COLIN FINDLAY

1 patent
US8699726B2Apr 15, 2014

Apparatus and method for biasing a transducer

STEELE COLIN FINDLAY5 citations68