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Joel Butler
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Springfield, MO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Speaker
Patent number
D1043610
Issue date
Sep 24, 2024
Dolby Laboratories Licensing Corporation
Samuel James Fleming Carr
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Multi-channel cinema amplifier with power-sharing, messaging and mu...
Patent number
11,882,421
Issue date
Jan 23, 2024
Dolby Laboratories Licensing Corporation
Andrew Healy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-channel cinema amplifier with power-sharing, messaging and mu...
Patent number
11,689,860
Issue date
Jun 27, 2023
Dolby Laboratories Licensing Corporation
Andrew Healy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-channel cinema amplifier with power-sharing, messaging and mu...
Patent number
11,601,759
Issue date
Mar 7, 2023
Dolby Laboratories Licensing Corporation
Andrew Healy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi-channel cinema amplifier with power-sharing, messaging and mu...
Patent number
11,418,109
Issue date
Aug 16, 2022
Dolby Laboratories Licensing Corporation
Andrew Healy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Distributed amplification and control system for immersive audio mu...
Patent number
11,290,819
Issue date
Mar 29, 2022
Dolby Laboratories Licensing Corporation
Andrew Healy
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Multi-channel cinema amplifier with power-sharing, messaging and mu...
Patent number
11,121,620
Issue date
Sep 14, 2021
Dolby Laboratories Licensing Corporation
Andrew Healy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Configurable modal amplifier system
Patent number
11,095,264
Issue date
Aug 17, 2021
Dolby Laboratories Licensing Corporation
Kenneth Schindler
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class-D dynamic closed loop feedback amplifier
Patent number
10,778,160
Issue date
Sep 15, 2020
Dolby Laboratories Licensing Corporation
Joel A Butler
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digitally controlled AC protection and attenuation circuit
Patent number
10,365,673
Issue date
Jul 30, 2019
Dolby Laboratories Licensing Corporation
Joel Butler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Distributed amplification for adaptive audio rendering systems
Patent number
10,321,232
Issue date
Jun 11, 2019
Dolby Laboratories Licensing Corporation
Joel A. Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital communication system for loudspeakers
Patent number
10,009,688
Issue date
Jun 26, 2018
Dolby Laboratories Licensing Corporation
Joel Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digitally controlled AC protection and attenuation circuit
Patent number
9,785,160
Issue date
Oct 10, 2017
Dolby Laboratories Licensing Corporation
Joel Butler
G05 - CONTROLLING REGULATING
Information
Patent Grant
Digital communication system for loudspeakers
Patent number
9,615,169
Issue date
Apr 4, 2017
Dolby Laboratories Licensing Corporation
Joel Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digitally controlled AC protection and attenuation circuit
Patent number
9,213,345
Issue date
Dec 15, 2015
Dolby Laboratories Licensing Corporation
Joel Butler
G05 - CONTROLLING REGULATING
Information
Patent Grant
Performance and isolation improvements for digitally controlled AC...
Patent number
9,178,352
Issue date
Nov 3, 2015
Butler Engineering LLC
Joel Butler
G05 - CONTROLLING REGULATING
Information
Patent Grant
Digital communication system for loudspeakers
Patent number
9,014,390
Issue date
Apr 21, 2015
Dolby Laboratories Licensing Corporation
Joel Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Performance and isolation improvements for digitally controlled AC...
Patent number
8,873,211
Issue date
Oct 28, 2014
Butler Engineering LLC
Joel Butler
G05 - CONTROLLING REGULATING
Information
Patent Grant
Digitally controlled AC protection and attenuation circuit
Patent number
8,582,263
Issue date
Nov 12, 2013
Intrinsic Audio Solutions, Inc.
Joel Butler
G05 - CONTROLLING REGULATING
Information
Patent Grant
Loudspeaker protection circuit
Patent number
8,199,918
Issue date
Jun 12, 2012
SLS International, Inc.
Joel Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sigma-delta modulated power supply
Patent number
7,301,490
Issue date
Nov 27, 2007
SLS International, Inc.
Joel Butler
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Sigma-delta modulated amplifier
Patent number
7,084,799
Issue date
Aug 1, 2006
SLS International, Inc.
Joel Butler
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
HYBRID CLOCKING SCHEME FOR TRANSMITTING PACKETIZED AUDIO AND POWER...
Publication number
20230403091
Publication date
Dec 14, 2023
Dolby Laboratories Licensing Corporation
Joel BUTLER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
USER CONFIGURABLE AUDIO LOUDSPEAKER
Publication number
20230327353
Publication date
Oct 12, 2023
Dolby Laboratories Licensing Corporation
Joel A. Butler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ASYMMETRICAL ACOUSTIC HORN
Publication number
20230317051
Publication date
Oct 5, 2023
Dolby Laboratories Licensing Corporation
Joel A. BUTLER
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
MULTI-CHANNEL CINEMA AMPLIFIER WITH POWER-SHARING, MESSAGING AND MU...
Publication number
20230209267
Publication date
Jun 29, 2023
Dolby Laboratories Licensing Corporation
Andrew HEALY
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MULTI-CHANNEL CINEMA AMPLIFIER WITH POWER-SHARING, MESSAGING AND MU...
Publication number
20220360901
Publication date
Nov 10, 2022
Dolby Laboratories Licensing Corporation
Andrew HEALY
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTI-CHANNEL CINEMA AMPLIFIER WITH POWER-SHARING, MESSAGING AND MU...
Publication number
20220353617
Publication date
Nov 3, 2022
Dolby Laboratories Licensing Corporation
Andrew HEALY
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MULTI-CHANNEL CINEMA AMPLIFIER WITH POWER-SHARING, MESSAGING AND MU...
Publication number
20210376711
Publication date
Dec 2, 2021
Dolby Laboratories Licensing Corporation
Andrew HEALY
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DISTRIBUTED AMPLIFICATION AND CONTROL SYSTEM FOR IMMERSIVE AUDIO MU...
Publication number
20210235192
Publication date
Jul 29, 2021
Dolby Laboratories Licensing Corporation
Andrew HEALY
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
MULTI-CHANNEL CINEMA AMPLIFIER WITH POWER-SHARING, MESSAGING AND MU...
Publication number
20210211038
Publication date
Jul 8, 2021
Dolby Laboratories Licensing Corporation
Andrew HEALY
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CONFIGURABLE MODAL AMPLIFIER SYSTEM
Publication number
20200395908
Publication date
Dec 17, 2020
Dolby Laboratories Licensing Corporation
Kenneth SCHINDLER
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CLASS-D DYNAMIC CLOSED LOOP FEEDBACK AMPLIFIER
Publication number
20200036348
Publication date
Jan 30, 2020
Dolby Laboratories Licensing Corporation
Joel A Butler
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Distributed Amplification for Adaptive Audio Rendering Systems
Publication number
20180077491
Publication date
Mar 15, 2018
Dolby Laboratories Licensing Corporation
Joel A. BUTLER
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Digitally Controlled AC Protection and Attenuation Circuit
Publication number
20180011503
Publication date
Jan 11, 2018
Dolby Laboratories Licensing Corporation
Joel Butler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Digital Communication System for Loudspeakers
Publication number
20170164111
Publication date
Jun 8, 2017
Dolby Laboratories Licensing Corporation
Joel Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DECODER FOR A MODEL TRAIN AND METHOD OF OPERATING A DECODER FOR A M...
Publication number
20170103033
Publication date
Apr 13, 2017
Throttle Up! Corp., DBA SoundTraxx
George Anthony Bogatiuk
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digitally Controlled AC Protection and Attenuation Circuit
Publication number
20160054744
Publication date
Feb 25, 2016
Dolby Laboratories Licensing Corporation
Joel Butler
G05 - CONTROLLING REGULATING
Information
Patent Application
Digital Communication System for Loudspeakers
Publication number
20150189430
Publication date
Jul 2, 2015
Dolby Laboratories Licensing Corporation
Joel Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Performance and Isolation Improvements for Digitally Controlled AC...
Publication number
20150035363
Publication date
Feb 5, 2015
BUTLER ENGINEERING LLC
Joel Butler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Digitally Controlled AC Protection and Attenuation Circuit
Publication number
20140062441
Publication date
Mar 6, 2014
Intrinsic Audio Solutions, Inc.
Joel Butler
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Digital Communication System for Loudspeakers
Publication number
20110096940
Publication date
Apr 28, 2011
Joel Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digitally Controlled AC Protection and Attenuation Circuit
Publication number
20110090604
Publication date
Apr 21, 2011
Joel Butler
G05 - CONTROLLING REGULATING
Information
Patent Application
LOUDSPEAKER PROTECTION CIRCUIT
Publication number
20080165977
Publication date
Jul 10, 2008
SLS International, Inc.
Joel Butler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sigma-Delta Modulated Power Supply
Publication number
20070069930
Publication date
Mar 29, 2007
Joel Butler
H03 - BASIC ELECTRONIC CIRCUITRY