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Frederic M. Stubbe
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Irvine, CA, US
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last 30 patents
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Patent Grant
Modulation switching for DSL signal transmission
Patent number
7,173,944
Issue date
Feb 6, 2007
Conexant Systems, Inc.
Kenneth D. Ko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System of and method for reducing or eliminating the unwanted sideb...
Patent number
6,720,839
Issue date
Apr 13, 2004
Skyworks Solutions, Inc.
Valentina Della Torre
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
System of and method for reducing or eliminating the unwanted sideb...
Patent number
6,658,065
Issue date
Dec 2, 2003
Skyworks Solutions, Inc.
Valentina Della Torre
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Constant envelope modulation for splitterless DSL transmission
Patent number
6,212,227
Issue date
Apr 3, 2001
Conexant Systems, Inc.
Kenneth D. Ko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modulation switching for DSL signal transmission
Patent number
6,151,335
Issue date
Nov 21, 2000
Conexant Systems, Inc.
Kenneth D. Ko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reduced sensitivity power-on reset circuitry
Patent number
5,686,847
Issue date
Nov 11, 1997
Rockwell International Corporation
Frederic M. Stubbe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Offset cancellation for differential amplifiers
Patent number
5,631,603
Issue date
May 20, 1997
Rockwell International Corporation
Frederic M. Stubbe
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Single-ended to differential converter with relaxed common-mode inp...
Patent number
5,614,864
Issue date
Mar 25, 1997
Rockwell Science Center, Inc.
Frederic M. Stubbe
H03 - BASIC ELECTRONIC CIRCUITRY