Inventor
KNOWLES TERENCE J
US31 patents
⚠️ This page may combine multiple inventors who share the name “KNOWLES TERENCE J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXZEC INC
5 patentsUS5162618ANov 10, 1992
Acoustic touch position sensor with first order lamb wave reflective arrays
EXZEC INC172 citations98
US5260521ANov 9, 1993
Acoustic touch position sensor using shear wave propagation
EXZEC INC58 citations96
US5243148ASep 7, 1993
Touch panel for an acoustic touch position sensor using shear wave propagation
EXZEC INC56 citations96
US5177327AJan 5, 1993
Acoustic touch position sensor using shear wave propagation
EXZEC INC107 citations96
US5072427ADec 10, 1991
Acoustic touch position sensor with shear to lamb wave conversion
EXZEC INC95 citations96
ILLINOIS TOOL WORKS
5 patentsUS7265746B2Sep 4, 2007
Acoustic wave touch detection circuit and method
ILLINOIS TOOL WORKS53 citations94
US7463249B2Dec 9, 2008
Acoustic wave touch actuated switch with feedback
ILLINOIS TOOL WORKS17 citations83
US7511704B2Mar 31, 2009
Acoustic wave touch bar system and method of use
ILLINOIS TOOL WORKS3 citations62
US7307627B2Dec 11, 2007
Individual acoustic wave switch
ILLINOIS TOOL WORKS2 citations62
US7812269B2Oct 12, 2010
Acoustic wave touch detection circuit and method
ILLINOIS TOOL WORKS3 citations61
STREET SMART SENSORS LLC
5 patentsUS11320938B1May 3, 2022
Acoustic mode touch panels with selectable characteristics
STREET SMART SENSORS LLC2 citations72
US11320939B1May 3, 2022
Touch sensor with multiple modes of operation, increased reliability and ease of integration
STREET SMART SENSORS LLC2 citations71
US9880044B2Jan 30, 2018
Acoustic array sensor
STREET SMART SENSORS LLC6 citations71
US9658719B2May 23, 2017
Touch screen with acoustic mode reflective and conversion arrays
STREET SMART SENSORS LLC1 citations51
US9285261B2Mar 15, 2016
Acoustic flexural order level sensor
STREET SMART SENSORS LLC0 citations51
TEXZEC INC
4 patentsUS7053529B2May 30, 2006
Torsional acoustic wave sensor
TEXZEC INC18 citations92
US7106310B2Sep 12, 2006
Acoustic wave touch actuated switch
TEXZEC INC26 citations90
US7026943B2Apr 11, 2006
Acoustic wave ice and water detector
TEXZEC INC22 citations90
US6933932B2Aug 23, 2005
Acoustic wave sensor with EMAT drive
TEXZEC INC16 citations83
KNOWLES TERENCE J
4 patentsUS8919193B2Dec 30, 2014
Ultrasonic liquid level detector
KNOWLES TERENCE J7 citations83
US10551238B2Feb 4, 2020
Ultrasonic level sensor for aerated fluids
KNOWLES TERENCE J4 citations71
US8180582B2May 15, 2012
System and method for sensing liquid levels
KNOWLES TERENCE J4 citations62
US9121746B2Sep 1, 2015
Liquid level sensor with improved temperature range
KNOWLES TERENCE J1 citations47
CARROLL TOUCH INC
3 patentsUS5451723ASep 19, 1995
Acoustic wave touch panel for use with a non-active stylus
CARROLL TOUCH INC101 citations96
US5329070AJul 12, 1994
Touch panel for an acoustic touch position sensor
CARROLL TOUCH INC89 citations96
US5380959AJan 10, 1995
Controller for an acoustic touch panel
CARROLL TOUCH INC29 citations92