James J. Croft, III

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Audio distortion correction for a parametric reproduction system
- Patent number 8,275,137
- Issue date Sep 25, 2012
- Parametric Sound Corporation
- Wensen Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Parametric loudspeaker with improved phase characteristics
- Patent number 8,199,931
- Issue date Jun 12, 2012
- American Technology Corporation
- Elwood G. Norris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator processing for a parametric speaker system
- Patent number 7,729,498
- Issue date Jun 1, 2010
- American Technology Corporation
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Parametric audio system for operation in a saturated air medium
- Patent number 7,596,229
- Issue date Sep 29, 2009
- American Technology Corporation
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of adjusting linear parameters of a parametric ultrasonic si...
- Patent number 7,564,981
- Issue date Jul 21, 2009
- American Technology Corporation
- James J. Croft, III
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Directional acoustic device
- Patent number 7,551,062
- Issue date Jun 23, 2009
- American Technology Corporation
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric film sonic emitter
- Patent number 7,376,236
- Issue date May 20, 2008
- American Technology Corporation
- Joseph O. Norris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for playback of pre-encoded signals through a parametric lou...
- Patent number 7,343,017
- Issue date Mar 11, 2008
- American Technology Corporation
- Joseph O. Norris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power amplification for parametric loudspeakers
- Patent number 7,319,763
- Issue date Jan 15, 2008
- American Technology Corporation
- Jeevan G. Bank
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Parametric virtual speaker and surround-sound system
- Patent number 7,298,853
- Issue date Nov 20, 2007
- American Technology Corporation
- Elwood G. Norris
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Dynamic power sharing in a multi-channel sound system
- Patent number 7,298,852
- Issue date Nov 20, 2007
- American Technology Corporation
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic carrier system for parametric arrays
- Patent number 7,224,808
- Issue date May 29, 2007
- American Technology Corporation
- Michael E. Spencer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Modulator processing for a parametric speaker system
- Patent number 7,162,042
- Issue date Jan 9, 2007
- American Technology Corporation
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal derived bias supply for electrostatic loudspeakers
- Patent number 7,158,646
- Issue date Jan 2, 2007
- American Technology Corporation
- Jeevan G. Bank
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Single-ended planar-magnetic speaker
- Patent number 7,142,688
- Issue date Nov 28, 2006
- American Technology Corporation
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bandpass woofer enclosure with multiple acoustic fibers
- Patent number 7,103,193
- Issue date Sep 5, 2006
- American Technology Corporation
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Parametric ring emitter
- Patent number 7,088,830
- Issue date Aug 8, 2006
- American Technology Corporation
- Elwood G. Norris
- F41 - WEAPONS
Information Patent Grant
Planar-magnetic speakers with secondary magnetic structure
- Patent number 6,934,402
- Issue date Aug 23, 2005
- American Technology Corporation
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Horn array emitter
- Patent number 6,925,187
- Issue date Aug 2, 2005
- American Technology Corporation
- Elwood G. Norris
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Parametric loudspeaker with improved phase characteristics
- Patent number 6,850,623
- Issue date Feb 1, 2005
- American Technology Corporation
- Elwood G. Norris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Dynamic Power Sharing in a Multi-Channel Sound System
- Publication number 20090268917
- Publication date Oct 29, 2009
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
In-Band Parametric Sound Generation System
- Publication number 20090116660
- Publication date May 7, 2009
- AMERICAN TECHNOLOGY CORPORATION
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Planar-magnetic speakers with secondary magnetic structure
- Publication number 20090097693
- Publication date Apr 16, 2009
- James J. Croft, III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Parametric virtual speaker and surround-sound system
- Publication number 20040247140
- Publication date Dec 9, 2004
- Elwood G. Norris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dynamic power sharing in a multi-channel sound system
- Publication number 20040037440
- Publication date Feb 26, 2004
- James J. Croft III
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

James J. Croft, III

Person

Patents Grantslast 30 patents

Audio distortion correction for a parametric reproduction system

Parametric loudspeaker with improved phase characteristics

Modulator processing for a parametric speaker system

Parametric audio system for operation in a saturated air medium

Method of adjusting linear parameters of a parametric ultrasonic si...

Directional acoustic device

Piezoelectric film sonic emitter

System for playback of pre-encoded signals through a parametric lou...

Power amplification for parametric loudspeakers

Parametric virtual speaker and surround-sound system

Dynamic power sharing in a multi-channel sound system

Dynamic carrier system for parametric arrays

Modulator processing for a parametric speaker system

Signal derived bias supply for electrostatic loudspeakers

Single-ended planar-magnetic speaker

Bandpass woofer enclosure with multiple acoustic fibers

Parametric ring emitter

Planar-magnetic speakers with secondary magnetic structure

Horn array emitter

Parametric loudspeaker with improved phase characteristics

Patents Applicationslast 30 patents

Dynamic Power Sharing in a Multi-Channel Sound System

In-Band Parametric Sound Generation System

Planar-magnetic speakers with secondary magnetic structure

Parametric virtual speaker and surround-sound system

Dynamic power sharing in a multi-channel sound system