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Alan J. Armstrong
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Broomfield, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Synchronous read channel
Patent number
7,957,370
Issue date
Jun 7, 2011
Lake Cherokee Hard Drive Technologies, LLC
Richard T. Behrens
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous read channel
Patent number
7,885,255
Issue date
Feb 8, 2011
Lake Cherokee Hard Drive Technologies, LLC
Richard T. Behrens
Information
Patent Grant
Synchronous read channel
Patent number
7,379,452
Issue date
May 27, 2008
Broadcom Corporation
Richard T. Behrens
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for calibrating a synchronous read channel int...
Patent number
6,313,961
Issue date
Nov 6, 2001
Cirrus Logic, Inc.
Alan J. Armstrong
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous read channel employing a digital center frequency setti...
Patent number
6,021,011
Issue date
Feb 1, 2000
Cirrus Logic, Inc.
Richard T. Behrens
G11 - INFORMATION STORAGE
Information
Patent Grant
Channel quality circuit employing a test pattern generator in a sam...
Patent number
6,005,731
Issue date
Dec 21, 1999
Cirrus Logic, Inc.
William R. Foland
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous read channel integrated circuit employing a channel qua...
Patent number
5,978,162
Issue date
Nov 2, 1999
Cirrus Logic, Inc.
Richard T. Behrens
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous read channel integrated circuit employing discrete time...
Patent number
5,966,257
Issue date
Oct 12, 1999
Cirrus Logic, Inc.
Richard T. Behrens
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous read channel employing a sequence detector with program...
Patent number
5,844,738
Issue date
Dec 1, 1998
Cirrus Logic, Inc.
Richard T. Behrens
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermal asperity compensation using multiple sync marks for retroac...
Patent number
5,844,920
Issue date
Dec 1, 1998
Cirrus Logic, Inc.
Christopher P. Zook
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous read channel employing discrete timing recovery, transi...
Patent number
5,812,334
Issue date
Sep 22, 1998
Cirrus Logic, Inc.
Richard T. Behrens
G11 - INFORMATION STORAGE
Information
Patent Grant
Channel quality
Patent number
5,761,212
Issue date
Jun 2, 1998
Cirrus Logic, Inc.
William R. Foland
G11 - INFORMATION STORAGE
Information
Patent Grant
On-the-fly error correction using thermal asperity erasure pointers...
Patent number
5,701,314
Issue date
Dec 23, 1997
Cirrus Logic, Inc.
Alan J. Armstrong
G11 - INFORMATION STORAGE
Information
Patent Grant
Filtering a read signal to attenuate secondary pulses caused by pol...
Patent number
5,623,377
Issue date
Apr 22, 1997
Cirrus Logic, Inc.
Richard T. Behrens
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous read channel
Patent number
5,424,881
Issue date
Jun 13, 1995
Cirrus Logic, Inc.
Richard T. Behrens
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
SYNCHRONOUS READ CHANNEL
Publication number
20080285549
Publication date
Nov 20, 2008
BROADCOM CORPORATION
Richard T. Behrens
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Synchronous read channel
Publication number
20020075861
Publication date
Jun 20, 2002
Richard T. Behrens
G11 - INFORMATION STORAGE