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John Robert Stuart
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Cambridge, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Non linear filter with group delay at pre-response frequency for hi...
Patent number
11,996,816
Issue date
May 28, 2024
Lenbrook Industries Limited
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Digital encapsulation of audio signals
Patent number
11,710,493
Issue date
Jul 25, 2023
MQA Limited
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Digital encapsulation of audio signals
Patent number
10,867,614
Issue date
Dec 15, 2020
MQA Limited
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Non linear filter with group delay at pre-response frequency for hi...
Patent number
10,763,828
Issue date
Sep 1, 2020
Peter Graham Craven
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital to analogue conversion
Patent number
10,224,950
Issue date
Mar 5, 2019
REINET S.A.R.L.
John Robert Stuart
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital encapsulation of audio signals
Patent number
10,115,410
Issue date
Oct 30, 2018
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Group delay correction in acoustic transducer systems
Patent number
9,763,007
Issue date
Sep 12, 2017
Meridian Audio Limited
Michael D. Capp
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Doubly compatible lossless audio bandwidth extension
Patent number
9,548,055
Issue date
Jan 17, 2017
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Matrix improvements to lossless encoding and decoding
Patent number
7,193,538
Issue date
Mar 20, 2007
Dolby Laboratories Licensing Corporation
Peter Graham Craven
G11 - INFORMATION STORAGE
Information
Patent Grant
Matrix improvements to lossless encoding and decoding
Patent number
6,774,820
Issue date
Aug 10, 2004
Dolby Laboratories Licensing Corporation
Peter Graham Craven
G11 - INFORMATION STORAGE
Information
Patent Grant
Matrix improvements to lossless encoding and decoding
Patent number
6,611,212
Issue date
Aug 26, 2003
Dolby Laboratories Licensing Corp.
Peter Graham Craven
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
DIGITAL ENCAPSULATION OF AUDIO SIGNALS
Publication number
20240029749
Publication date
Jan 25, 2024
MQA Limited
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
DIGITAL ENCAPSULATION OF AUDIO SIGNALS
Publication number
20210193157
Publication date
Jun 24, 2021
MQA Limited
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
NON LINEAR FILTER WITH GROUP DELAY AT PRE-RESPONSE FREQUENCY FOR HI...
Publication number
20200395918
Publication date
Dec 17, 2020
Peter Graham Craven
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL ENCAPSULATION OF AUDIO SIGNALS
Publication number
20190057709
Publication date
Feb 21, 2019
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
DIGITAL TO ANALOGUE CONVERSION
Publication number
20180167081
Publication date
Jun 14, 2018
John Robert Stuart
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
NON LINEAR FILTER WITH GROUP DELAY AT PRE-RESPONSE FREQUENCY FOR HI...
Publication number
20170346465
Publication date
Nov 30, 2017
Peter Graham Craven
G11 - INFORMATION STORAGE
Information
Patent Application
DIGITAL ENCAPSULATION OF AUDIO SIGNALS
Publication number
20170110141
Publication date
Apr 20, 2017
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
VERSATILE MUSIC DISTRIBUTION
Publication number
20160005411
Publication date
Jan 7, 2016
John Robert Stuart
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
GROUP DELAY CORRECTION IN ACOUSTIC TRANSDUCER SYSTEMS
Publication number
20150350786
Publication date
Dec 3, 2015
Michael D. Capp
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DOUBLY COMPATIBLE LOSSLESS AUDIO BANDWIDTH EXTENSION
Publication number
20150154969
Publication date
Jun 4, 2015
Meridian Audio Limited
Peter Graham Craven
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Matrix improvements to lossless encoding and decoding
Publication number
20050007262
Publication date
Jan 13, 2005
Peter Graham Craven
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Matrix improvements to lossless encoding and decoding
Publication number
20040070523
Publication date
Apr 15, 2004
Peter Graham Craven
H04 - ELECTRIC COMMUNICATION TECHNIQUE