IP Library › Assignment 035837/0052
Patent Assignment
Reel/Frame 035837/0052

Merger

Recorded: 2015-06-15 Pages: 6
Assignor
ACOUSTIC TECHNOLOGIES, INC.
Executed: 2015-06-04
Assignee
CIRRUS LOGIC INC.
800 W. 6TH STREET, AUSTIN, TEXAS, 78701
Covered Properties (38)
Apparatus and Method for Reducing Acoustic Feedback
Patent: 5,412,734 →
Application: 08/120,187 →
Digital Apparatus for Reducing Acoustic Feedback
Patent: 5,649,019 →
Application: 08/432,094 →
Apparatus and Method for Adjusting Audio Equipment in Acoustic Environments
Patent: 6,111,957 →
Application: 09/109,847 →
Reducing Acoustic Feedback with Digital Modulation
Patent: 6,252,967 →
Application: 09/234,731 →
Noise Reduction Circuit for Telephones
Patent: 6,798,881 →
Application: 09/326,864 →
Publication: US 2001/0040963
Precise Amplitude Correction Circuit
Patent: 6,625,286 →
Application: 09/336,008 →
Acoustic and Electronic Echo Cancellation
Patent: 6,421,443 →
Application: 09/360,211 →
High Resolution Delay Line
Patent: 6,166,573 →
Application: 09/361,014 →
Wide Range, Variable Phase Shift Circuit
Patent: 6,255,877 →
Application: 09/401,348 →
Echo Cancelling Process with Improved Phase Control
Patent: 6,278,785 →
Application: 09/401,349 →
Tagging Echoes with Low Frequency Noise
Patent: 6,301,364 →
Application: 09/413,675 →
Band Pass and Notch Filters for Echo Reduction with Less Phase Distortion
Patent: 6,608,898 →
Application: 09/413,677 →
Background Communication Using Shadow of Audio Signal
Patent: 6,891,809 →
Application: 09/435,374 →
Band Pass Filter from Two Notch Filters
Patent: 6,268,766 →
Application: 09/466,313 →
Band-By-Band Full Duplex Communication
Patent: 6,963,642 →
Application: 09/476,468 →
Soft Mute Circuit
Patent: 6,931,124 →
Application: 09/482,229 →
Separation of Plural Band Pass Filters
Patent: 6,404,278 →
Application: 09/482,293 →
Publication: US 2002/0000875
Band Pass Filter from Two Filters
Patent: 6,492,865 →
Application: 09/491,998 →
Band Pass Filter with Improved Group Delay
Patent: 6,404,279 →
Application: 09/492,015 →
Publication: US 2002/0000874
Transmit/Receive Arbitrator
Patent: 7,046,792 →
Application: 09/803,551 →
Publication: US 2002/0126836
Voice Activity Detector for Telephone
Patent: 7,295,976 →
Application: 10/056,826 →
Publication: US 2003/0142831
Analog Voice Activity Detector for Telephone
Patent: 6,847,930 →
Application: 10/057,104 →
Publication: US 2003/0142812
Telephone Having Four Vad Circuits
Patent: 6,754,337 →
Application: 10/057,160 →
Publication: US 2003/0142813
Full Duplex Echo Cancelling Circuit
Patent: 6,904,146 →
Application: 10/138,615 →
Publication: US 2003/0206624
Estimating Bulk Delay in a Telephone System
Patent: 6,928,160 →
Application: 10/215,959 →
Publication: US 2004/0028217
Dynamic Balance Control for Telephone
Patent: 6,990,194 →
Application: 10/441,724 →
Publication: US 2004/0234069
Comfort Noise Generator
Patent: 7,570,937 →
Application: 10/645,360 →
Publication: US 2005/0041798
Robust Adaptive Filter for Echo Cancellation
Patent: 7,031,461 →
Application: 10/756,227 →
Publication: US 2005/0152534
Noise Suppression Based on Bark Band Wiener Filtering and Modified Doblinger Noise Estimate
Patent: 7,492,889 →
Application: 10/830,652 →
Publication: US 2005/0240401
Comfort Noise Generator Using Modified Doblinger Noise Estimate
Patent: 7,649,988 →
Application: 10/868,989 →
Publication: US 2005/0278171
Noise Reduction and Comfort Noise Gain Control Using Bark Band Weiner Filter and Linear Attenuation
Patent: 7,454,010 →
Application: 10/979,969 →
Path Change Detector for Echo Cancellation
Patent: 7,555,117 →
Application: 11/180,004 →
Publication: US 2007/0025282
Music Detector for Echo Cancellation and Noise Reduction
Patent: 8,126,706 →
Application: 11/298,865 →
Publication: US 2007/0136053
Acoustic echo canceler using an accelerometer
Patent: 8,538,008 →
Application: 12/313,622 →
Publication: US 2010/0128868
Estimating Direction of Arrival from Plural Microphones
Patent: 8,565,446 →
Application: 12/657,002 →
Distributed Vad Control System for Telephone
Patent: 8,565,414 →
Application: 12/930,171 →
Publication: US 2011/0150210
Controlling speech enhancement algorithms using near-field spatial statistics
Application: 13/199,593 →
Apparatus and Method for Measuring Relative Frequency Response of Audio Device Microphones
Patent: 9,674,626 →
Application: 14/454,576 →
Related Assignments (23)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 3, 1998
From: THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 009436/0499 →
Assignment of Assignor's Interest Jan 21, 1999
From: MOORE, KENDALL G.; THOMASSON, SAMUEL L.; ULMER, RICHARD W.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 009758/0142 →
Assignment of Assignor's Interest Jun 18, 1999
From: RUBACHA, RAYMOND; MOORE, KENDALL G.; THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010090/0223 →
Assignment of Assignor's Interest Jul 23, 1999
From: MOORE, KENDALL G.; THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010130/0205 →
Assignment of Assignor's Interest Jul 23, 1999
From: MOORE, KENDALL G.; THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010136/0895 →
Assignment of Assignor's Interest Aug 9, 1999
From: THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010151/0868 →
Assignment of Assignor's Interest Sep 21, 1999
From: THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010270/0629 →
Assignment of Assignor's Interest Sep 21, 1999
From: THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC., A DELAWARE CORPORATION
Reel/Frame 010271/0161 →
Assignment of Assignor's Interest Oct 6, 1999
From: MOORE, KENDALL G.; THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.A DELAWARE CORPORATION HAVING ITS PRINCIPAL PLACE OF BUSINESS AT
Reel/Frame 010316/0772 →
Assignment of Assignor's Interest Oct 6, 1999
From: LOWMILLER, DONALD ALLAN; MOORE, KENDALL G; THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC., A DELAWARE CORPORATION
Reel/Frame 010315/0514 →
Assignment of Assignor's Interest Nov 5, 1999
From: CICCONE, JOHN CHARLES; THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010382/0171 →
Assignment of Assignor's Interest Dec 17, 1999
From: THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC., A DELAWARE CORPORATION
Reel/Frame 010467/0731 →
Assignment of Assignor's Interest Dec 30, 1999
From: THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010491/0508 →
Assignment of Assignor's Interest Jan 13, 2000
From: RUBACHA, RAYMOND; THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC., A CORP. OF DELAWARE
Reel/Frame 010515/0215 →
Assignment of Assignor's Interest Jan 13, 2000
From: ALLEN, JUSTIN L.; THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010518/0707 →
Assignment of Assignor's Interest Jan 26, 2000
From: THOMASSON, SAMUEL L.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010529/0767 →
Assignment of Assignor's Interest Jan 26, 2000
From: THOMASSON, SAMUEL
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 010524/0222 →
Assignment of Assignor's Interest Mar 9, 2001
From: HARROW, SCOTT E.; FONG, JUDY MAE; DOWNEY, HAROLD
To: ACOUSTIC TECHNOLOGIES, INC., A DELAWARE CORPORATION
Reel/Frame 011602/0516 →
Assignment of Assignor's Interest Jan 25, 2002
From: ALLEN, JUSTIN L.; DOMER, STEVEN M.
To: ACOUSTIC TECHNOLOGIES INC.
Reel/Frame 012535/0507 →
Assignment of Assignor's Interest Jan 25, 2002
From: DOMER, STEVEN M.; VANDA, KELLIE MICHELE; ALLEN, JUSTIN L.; STORY, FRANKLYN H.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 012550/0620 →
Assignment of Assignor's Interest May 13, 2002
From: DOMER, STEVEN M.; VANDA, KELLIE MICHELE; ALLEN, JUSTIN L.; STORY, FRANKLYN H.
To: ACOUSTIC TECHNOLOGIES, INC.
Reel/Frame 012894/0601 →
Security Agreement Feb 5, 2009
From: ZOUNDS, INC.
To: DS&S CHASE, LLC; THE DERWOOD S. CHASE, JR. GRAND TRUST; THE D. SUMNER CHASE, III 2001 IRREVOCABLE TRUST; THE STUART F. CHASE 2001 IRREVOCABLE TRUST
Reel/Frame 022214/0011 →
Security Agreement Mar 23, 2009
From: ZOUNDS, INC.
To: D. SUMNER CHASE, III 2001 IRREVOCABLE TRUST, THE; DS&S CHASE, LLC; DS&S CHASE, LLC; DS&S CHASE, LLC
Reel/Frame 022440/0370 →