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Lawrence D. Engh
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Redwood City, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multiple message multilevel analog signal recording and playback sy...
Patent number
7,197,299
Issue date
Mar 27, 2007
Winbond Electronics Corporation
Geoffrey B. Jackson
G11 - INFORMATION STORAGE
Information
Patent Grant
Variable impedance network for an integrated circuit potentiometer
Patent number
6,882,136
Issue date
Apr 19, 2005
Winbond Electronics Corporation
Hagop A. Nazarian
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable impedance network for an integrated circuit potentiometer
Patent number
6,788,042
Issue date
Sep 7, 2004
Winbond Electronics Corporation
Hagop A. Nazarian
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Adaptive programming method and apparatus for flash memory analog s...
Patent number
6,301,151
Issue date
Oct 9, 2001
Information Storage Devices, Inc.
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for reducing power supply current surges in a...
Patent number
6,100,752
Issue date
Aug 8, 2000
Information Storage Devices, Inc.
May Lee
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for automatic gain control using a linear limi...
Patent number
6,081,603
Issue date
Jun 27, 2000
Information Storage Devices, Inc.
Lawrence D. Engh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
AC coupling and signal amplification using switched capacitors
Patent number
6,035,049
Issue date
Mar 7, 2000
Information Storage Devices, Inc.
Lawrence D. Engh
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus for detecting the end of message recorded onto...
Patent number
5,986,928
Issue date
Nov 16, 1999
Information Storage Devices, Inc.
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Grant
Integrated circuit system for analog signal storing and recovery in...
Patent number
5,963,462
Issue date
Oct 5, 1999
Information Storage Devices, Inc.
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Grant
Single or dual message multilevel analog signal recording and playb...
Patent number
5,959,876
Issue date
Sep 28, 1999
Information Storage Devices, Inc.
Peter E. Gordon
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for an adaptive ramp amplitude controller in n...
Patent number
5,926,409
Issue date
Jul 20, 1999
Information Storage Devices, Inc.
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for adjustment and control of an iterative met...
Patent number
5,877,984
Issue date
Mar 2, 1999
Information Storage Devices, Inc.
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Grant
Non-volatile circuit that disables failed devices
Patent number
5,859,803
Issue date
Jan 12, 1999
Information Storage Devices, Inc.
Hagop Nazarian
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for programming a voltage within a storage element
Patent number
5,754,470
Issue date
May 19, 1998
Information Storage Devices, Inc.
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Grant
Integrated circuit system having reference cells for improving the...
Patent number
5,745,414
Issue date
Apr 28, 1998
Information Storage Devices, Inc.
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Grant
Integrated circuit system for analog signal storing and recovery in...
Patent number
5,629,890
Issue date
May 13, 1997
Information Storage Devices, Inc.
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for adjustment and control of an iterative met...
Patent number
5,623,436
Issue date
Apr 22, 1997
Information Storage Devices
David Sowards
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Integrated circuit systems and methods using block gain expansion a...
Publication number
20060078133
Publication date
Apr 13, 2006
Lawrence D. Engh
G11 - INFORMATION STORAGE
Information
Patent Application
Variable impedance network for an integrated circuit potentiometer
Publication number
20040217751
Publication date
Nov 4, 2004
Hagop A. Nazarian
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Multiple message multilevel analog signal recording and playback sy...
Publication number
20040142680
Publication date
Jul 22, 2004
Geoffrey B. Jackson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Variable impedance network for an integrated circuit potentiometer
Publication number
20030111992
Publication date
Jun 19, 2003
Hagop A. Nazarian
H03 - BASIC ELECTRONIC CIRCUITRY