Inventor

UNRUH ANDREW DAVID

US5 patents

⚠️ This page may combine multiple inventors who share the name “UNRUH ANDREW DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KNOWLES ELECTRONICS LLC

2 patents

US10045122B2Aug 7, 2018

Acoustic echo cancellation reference signal

KNOWLES ELECTRONICS LLC2 citations70

US10403259B2Sep 3, 2019

Multi-microphone feedforward active noise cancellation

KNOWLES ELECTRONICS LLC0 citations47

TYMPHANY HK LTD

2 patents

US9462388B2Oct 4, 2016

Acoustic transducer comprising a plurality of coaxially arranged diaphragms

TYMPHANY HK LTD5 citations69

US9967673B2May 8, 2018

Acoustic transducer comprising a plurality of coaxially arranged diaphragms

TYMPHANY HK LTD0 citations48

UNRUH ANDREW DAVID

1 patent

US8897472B2Nov 25, 2014

Acoustic transducer comprising a plurality of coaxially arranged diaphragms

UNRUH ANDREW DAVID6 citations76