Inventor
NORRIS JOSEPH O
US7 patents
⚠️ This page may combine multiple inventors who share the name “NORRIS JOSEPH O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERICAN TECH CORP
6 patentsUS6584205B1Jun 24, 2003
Modulator processing for a parametric speaker system
AMERICAN TECH CORP105 citations96
US7162042B2Jan 9, 2007
Modulator processing for a parametric speaker system
AMERICAN TECH CORP52 citations95
US7343017B2Mar 11, 2008
System for playback of pre-encoded signals through a parametric loudspeaker system
AMERICAN TECH CORP20 citations92
US6850623B1Feb 1, 2005
Parametric loudspeaker with improved phase characteristics
AMERICAN TECH CORP28 citations92
US7729498B2Jun 1, 2010
Modulator processing for a parametric speaker system
AMERICAN TECH CORP18 citations91
US7376236B1May 20, 2008
Piezoelectric film sonic emitter
AMERICAN TECH CORP34 citations91