Inventor
SIBBALD ALASTAIR
GB47 patents
⚠️ This page may combine multiple inventors who share the name “SIBBALD ALASTAIR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CENTRAL RESEARCH LAB LTD
11 patentsUS6498857B1Dec 24, 2002
Method of synthesizing an audio signal
CENTRAL RESEARCH LAB LTD132 citations98
US6614910B1Sep 2, 2003
Stereo sound expander
CENTRAL RESEARCH LAB LTD41 citations92
US5917916AJun 29, 1999
Audio reproduction systems
CENTRAL RESEARCH LAB LTD30 citations92
US5600727AFeb 4, 1997
Determination of position
CENTRAL RESEARCH LAB LTD27 citations92
US5412463AMay 2, 1995
Finger guide with orthogonal guide surfaces
CENTRAL RESEARCH LAB LTD82 citations91
US6643375B1Nov 4, 2003
Method of processing a plural channel audio signal
CENTRAL RESEARCH LAB LTD31 citations90
US6401769B1Jun 11, 2002
Apparatus for dispensing a predetermined volume of a liquid
CENTRAL RESEARCH LAB LTD21 citations90
US5751815AMay 12, 1998
Apparatus for audio signal stereophonic adjustment
CENTRAL RESEARCH LAB LTD20 citations90
US5666425ASep 9, 1997
Plural-channel sound processing
CENTRAL RESEARCH LAB LTD43 citations88
US6402782B1Jun 11, 2002
Artificial ear and auditory canal system and means of manufacturing the same
CENTRAL RESEARCH LAB LTD32 citations87
US5420420AMay 30, 1995
Infrared detector
CENTRAL RESEARCH LAB LTD4 citations60
EMI PLC THORN
10 patentsUS5619586AApr 8, 1997
Method and apparatus for producing a directly viewable image of a fingerprint
EMI PLC THORN170 citations99
US4764797AAug 16, 1988
Chemical-sensitive semiconductor device
EMI PLC THORN185 citations98
US5633947AMay 27, 1997
Method and apparatus for fingerprint characterization and recognition using auto correlation pattern
EMI PLC THORN50 citations93
US4931851AJun 5, 1990
Gas sensitive device
EMI PLC THORN74 citations93
US5219712AJun 15, 1993
Method of forming a solid article
EMI PLC THORN35 citations90
US5077474ADec 31, 1991
Thermal imaging device
EMI PLC THORN7 citations72
US5306912AApr 26, 1994
Optically addressed thermal imaging device
EMI PLC THORN15 citations71
US5130542AJul 14, 1992
Thermal imaging devices
EMI PLC THORN8 citations68
US4865716ASep 12, 1989
Sensor arrangements
EMI PLC THORN6 citations61
US5245190ASep 14, 1993
Imaging arrangement
EMI PLC THORN6 citations57
CIRRUS LOGIC INT SEMICONDUCTOR LTD
7 patentsUS10460718B2Oct 29, 2019
Ambient noise reduction arrangements
CIRRUS LOGIC INT SEMICONDUCTOR LTD7 citations84
US11741935B2Aug 29, 2023
Communication apparatus with ambient noise reduction
CIRRUS LOGIC INT SEMICONDUCTOR LTD3 citations73
US11127390B2Sep 21, 2021
Ambient noise reduction arrangements
CIRRUS LOGIC INT SEMICONDUCTOR LTD2 citations73
US11620975B2Apr 4, 2023
Ambient noise reduction arrangements
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations63
US11367426B2Jun 21, 2022
Communication apparatus with ambient noise reduction
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations63
US10950215B2Mar 16, 2021
Communication apparatus with ambient noise reduction
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations63
US10685636B2Jun 16, 2020
Communication apparatus with ambient noise reduction
CIRRUS LOGIC INT SEMICONDUCTOR LTD0 citations52
CREATIVE TECH LTD
6 patentsUS7177433B2Feb 13, 2007
Method of improving the audibility of sound from a loudspeaker located close to an ear
CREATIVE TECH LTD60 citations98
US7167567B1Jan 23, 2007
Method of processing an audio signal
CREATIVE TECH LTD78 citations97
US6795556B1Sep 21, 2004
Method of modifying one or more original head related transfer functions
CREATIVE TECH LTD85 citations95
US6741711B1May 25, 2004
Method of synthesizing an approximate impulse response function
CREATIVE TECH LTD22 citations93
US7197151B1Mar 27, 2007
Method of improving 3D sound reproduction
CREATIVE TECH LTD26 citations92
US6738479B1May 18, 2004
Method of audio signal processing for a loudspeaker located close to an ear
CREATIVE TECH LTD35 citations89
SIBBALD ALASTAIR
5 patentsUS8472636B2Jun 25, 2013
Ambient noise reduction arrangements
SIBBALD ALASTAIR40 citations97
US4657658AApr 14, 1987
Semiconductor devices
SIBBALD ALASTAIR39 citations92
US8953814B2Feb 10, 2015
Communication apparatus with ambient noise reduction
SIBBALD ALASTAIR5 citations84
US8989424B2Mar 24, 2015
Earphone arrangements
SIBBALD ALASTAIR10 citations76
US8737633B2May 27, 2014
Noise cancellation system with gain control based on noise level
SIBBALD ALASTAIR7 citations76
CORNING GLASS WORKS
4 patentsUS4437969AMar 20, 1984
Offset-gate chemical-sensitive field-effect transistors (OG-CHEMFETS) with electrolytically-programmable selectivity
CORNING GLASS WORKS159 citations97
US4502938AMar 5, 1985
Encapsulated chemoresponsive microelectronic device arrays
CORNING GLASS WORKS99 citations94
US4567006AJan 28, 1986
Method for encapsulating microelectronic sensor devices
CORNING GLASS WORKS30 citations91
US4514276AApr 30, 1985
Microelectronic sensor assembly
CORNING GLASS WORKS25 citations81