name:-0.044977903366089
name:-0.080633878707886
name:-0.0016131401062012
American Technology Corporation Patent Filings

American Technology Corporation

Patent Applications and Registrations

Patent applications and USPTO patent grants for American Technology Corporation.The latest application filed is for "in-band parametric sound generation system".

Company Profile
0.54.29
  • American Technology Corporation - San Diego CA
  • American Technology Corporation -
  • American Technology Corporation - DE
  • American Technology Corporation - Poway CA
  • American Technology Corporation - N/A
  • American Technology Corporation - Salt Lake City UT
  • American Technology Corporation - Canon City CO
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks
Patent Activity
PatentDate
Parametric loudspeaker with improved phase characteristics
Grant 8,199,931 - Norris , et al. June 12, 2
2012-06-12
Modulator processing for a parametric speaker system
Grant 7,729,498 - Spencer , et al. June 1, 2
2010-06-01
Parametric audio system for operation in a saturated air medium
Grant 7,596,229 - Croft, III September 29, 2
2009-09-29
Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
Grant 7,564,981 - Croft, III July 21, 2
2009-07-21
Directional acoustic device
Grant 7,551,062 - Croft, III , et al. June 23, 2
2009-06-23
In-Band Parametric Sound Generation System
App 20090116660 - Croft, III; James J. ;   et al.
2009-05-07
High intensity vehicle proximity acoustics
App 20080239876 - Norris; Elwood G. ;   et al.
2008-10-02
Dynamic power sharing in a multi-channel sound system
App 20080137872 - Croft; James J.
2008-06-12
Directional acoustic device
App 20080129470 - Croft; James J. ;   et al.
2008-06-05
Piezoelectric film sonic emitter
Grant 7,376,236 - Norris , et al. May 20, 2
2008-05-20
Modulator processing for a parametric speaker system
App 20080063214 - Spencer; Michael E. ;   et al.
2008-03-13
System for playback of pre-encoded signals through a parametric loudspeaker system
Grant 7,343,017 - Norris , et al. March 11, 2
2008-03-11
Power amplification for parametric loudspeakers
Grant 7,319,763 - Bank , et al. January 15, 2
2008-01-15
Parametric virtual speaker and surround-sound system
Grant 7,298,853 - Norris , et al. November 20, 2
2007-11-20
Dynamic power sharing in a multi-channel sound system
Grant 7,298,852 - Croft, III November 20, 2
2007-11-20
Single end planar magnetic speaker
Grant 7,251,342 - Graebener July 31, 2
2007-07-31
Single-ended planar-magnetic speaker
App 20070127767 - Croft; James J. III ;   et al.
2007-06-07
Dynamic carrier system for parametric arrays
Grant 7,224,808 - Spencer , et al. May 29, 2
2007-05-29
Modulator-amplifier
Grant 7,224,219 - Spencer May 29, 2
2007-05-29
Audio information leaflet system
Grant 7,167,827 - Conrad January 23, 2
2007-01-23
Modulator-amplifier
App 20070015473 - Spencer; Michael E.
2007-01-18
Modulator processing for a parametric speaker system
Grant 7,162,042 - Spencer , et al. January 9, 2
2007-01-09
Bandpass woofer enclosure with multiple acoustic filters
App 20070003076 - Croft; James J. III
2007-01-04
Signal derived bias supply for electrostatic loudspeakers
Grant 7,158,646 - Bank , et al. January 2, 2
2007-01-02
System and method for delivering audio-visual content along a customer waiting line
App 20060280315 - Norris; ElwoodG ;   et al.
2006-12-14
Single-ended planar-magnetic speaker
Grant 7,142,688 - Croft, III , et al. November 28, 2
2006-11-28
Horn array emitter
App 20060233404 - Croft; James J. ;   et al.
2006-10-19
Modulator--amplifier
Grant 7,109,789 - Spencer September 19, 2
2006-09-19
Bandpass woofer enclosure with multiple acoustic fibers
Grant 7,103,193 - Croft, III September 5, 2
2006-09-05
Parametric ring emitter
Grant 7,088,830 - Norris , et al. August 8, 2
2006-08-08
Planar-magnetic speakers with secondary magnetic structure
App 20060050923 - Croft; James J. III ;   et al.
2006-03-09
Parametric audio system for operation in a saturated air medium
App 20050281413 - Croft, James J. III
2005-12-22
Parametric loudspeaker with electro-acoustical diaphragm transducer
App 20050244016 - Norris, Elwood G. ;   et al.
2005-11-03
Focused parametric array
App 20050195985 - Croft, James J. III ;   et al.
2005-09-08
Parametric sound system with lower sideband
App 20050185800 - Croft, James J. III
2005-08-25
Planar-magnetic speakers with secondary magnetic structure
Grant 6,934,402 - Croft, III , et al. August 23, 2
2005-08-23
Horn array emitter
Grant 6,925,187 - Norris , et al. August 2, 2
2005-08-02
Parametric loudspeaker with improved phase characteristics
App 20050089176 - Norris, Elwood G. ;   et al.
2005-04-28
Method for constructing a parametric transducer having an emitter film
App 20050084122 - Norris, Mark ;   et al.
2005-04-21
Parametric loudspeaker with improved phase characteristics
Grant 6,850,623 - Norris , et al. February 1, 2
2005-02-01
Electrostatic loudspeaker with a distributed filter
Grant 6,760,455 - Croft, III , et al. July 6, 2
2004-07-06
Signal derived bias supply for electrostatic loudspeakers
App 20040066942 - Bank, Jeevan G. ;   et al.
2004-04-08
Piezoelectric film emitter configuration
App 20040052387 - Norris, Mark ;   et al.
2004-03-18
Loudspeaker system
Grant 6,704,426 - Croft, III March 9, 2
2004-03-09
Signal derived bias supply for electrostatic loudspeakers
Grant 6,628,791 - Bank , et al. September 30, 2
2003-09-30
Piezoelectric film sonic emitter
Grant 6,606,389 - Selfridge , et al. August 12, 2
2003-08-12
Biaxial parametric speaker
App 20030118198 - Croft, James J. III ;   et al.
2003-06-26
Modulator processing for a parametric speaker system
Grant 6,584,205 - Croft, III , et al. June 24, 2
2003-06-24
Parametric virtual speaker and surround-sound system
Grant 6,577,738 - Norris , et al. June 10, 2
2003-06-10
Dynamic carrier system for parametric arrays
App 20030091196 - Spencer, Michael E. ;   et al.
2003-05-15
Dynamic carrier system for parametric arrays
App 20030091203 - Croft, James J. III ;   et al.
2003-05-15
Electroacoustic transducer with diaphragm securing structure and method
Grant 6,535,612 - Croft, III , et al. March 18, 2
2003-03-18
Single-ended planar-magnetic speaker
App 20020191808 - Croft, James J. III ;   et al.
2002-12-19
Parametric ring emitter
App 20020126854 - Norris, Elwood G. ;   et al.
2002-09-12
Planar-magnetic speakers with secondary magnetic structure
App 20020118856 - Croft, James J. III ;   et al.
2002-08-29
Sonic emitter with foam stator
App 20020076069 - Norris, Elwood G. ;   et al.
2002-06-20
Bandpass woofer enclosure with multiple acoustic filters
App 20020061114 - Croft, James J. III
2002-05-23
Acoustically asymmetric bandpass loudspeaker with multiple acoustic filters
Grant 6,389,146 - Croft, III May 14, 2
2002-05-14
Parametric virtual speaker and surround-sound system
App 20010055397 - Norris, Elwood G. ;   et al.
2001-12-27
Sonic emitter with foam stator
Grant 6,304,662 - Norris , et al. October 16, 2
2001-10-16
Loudspeaker system
App 20010024508 - Croft, James J. III
2001-09-27
Method and device for developing a virtual speaker distant from the sound source
Grant 6,229,899 - Norris , et al. May 8, 2
2001-05-08
Holographic transparent speaker
Grant 6,199,655 - Norris March 13, 2
2001-03-13
Electrostatic transducer with nonplanar configured diaphragm
Grant 6,201,874 - Croft, III , et al. March 13, 2
2001-03-13
Electrostatic speaker with foam stator
Grant 6,188,772 - Norris , et al. February 13, 2
2001-02-13
Bandpass loudspeaker system
Grant 6,169,811 - Croft, III January 2, 2
2001-01-02
Magnetic film ultrasonic emitter
Grant 6,151,398 - Norris November 21, 2
2000-11-21
Method and apparatus for a magnetically induced speaker diaphragm
Grant 6,108,433 - Norris August 22, 2
2000-08-22
Method and apparatus for eliminating audio feedback
Grant 6,108,427 - Norris , et al. August 22, 2
2000-08-22
Directed radiator with modulated ultrasonic sound
Grant 6,016,351 - Raida , et al. January 18, 2
2000-01-18
Piezoelectric film sonic emitter
Grant 6,011,855 - Selfridge , et al. January 4, 2
2000-01-04
Sound reduction method and system for jet engines
Grant 5,966,452 - Norris October 12, 1
1999-10-12
GPS relative position detection system
Grant 5,952,959 - Norris September 14, 1
1999-09-14
Radio headset
Grant D409,614 - Carlton May 11, 1
1999-05-11
Acoustic heterodyne device and method
Grant 5,889,870 - Norris March 30, 1
1999-03-30
Directable sound and light toy
Grant 5,885,129 - Norris March 23, 1
1999-03-23
Lighted enhanced bullhorn
Grant 5,859,915 - Norris January 12, 1
1999-01-12
GPS relative position detection system
Grant 5,781,150 - Norris July 14, 1
1998-07-14
GPS relative position detection system
Grant 5,689,269 - Norris November 18, 1
1997-11-18
Ear mounted RF receiver
Grant 5,313,663 - Norris May 17, 1
1994-05-17
Ear radio
Grant 4,539,708 - Norris September 3, 1
1985-09-03
Pattern generating system and method
Grant 4,149,178 - Estes April 10, 1
1979-04-10
Test signal generating system and method
Grant 4,093,960 - Estes June 6, 1
1978-06-06

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