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Thomas Joseph Karpus
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Apex, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Automatic dropout prevention in LED drivers
Patent number
8,395,331
Issue date
Mar 12, 2013
Semtech Corporation
Karl Richard Volk
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for battery charging based on battery capacity...
Patent number
7,843,171
Issue date
Nov 30, 2010
Semtech Corporation
Warren Richard Schroeder
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Methods and apparatus for controlling power amplifier quiescent cur...
Patent number
6,043,706
Issue date
Mar 28, 2000
Ericsson Inc.
Michael E. Nowak
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
RF gain enhancement for cellular telephone
Patent number
5,898,908
Issue date
Apr 27, 1999
Ericsson, Inc.
Lee Daniel Griffin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface system for providing hands-free operation of a radiotelep...
Patent number
5,884,191
Issue date
Mar 16, 1999
Ericsson Inc.
Thomas Joseph Karpus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modular assembly for centrally locating cellular telephone accessor...
Patent number
5,867,773
Issue date
Feb 2, 1999
Ericsson Inc.
Jason Donald Mareno
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Battery charger with low standby current
Patent number
5,854,551
Issue date
Dec 29, 1998
Ericsson Inc.
Patrik Lilja
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
AUTOMATIC DROPOUT PREVENTION IN LED DRIVERS
Publication number
20120081036
Publication date
Apr 5, 2012
Karl Richard Volk
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and Apparatus for Battery Charging Based on Battery Capacity...
Publication number
20090184687
Publication date
Jul 23, 2009
Semtech Corporation
Warren Richard Schroeder
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method And Apparatus For Improving Efficiency Of RF Power Amplifier...
Publication number
20080070520
Publication date
Mar 20, 2008
Chang Su Mitter
H04 - ELECTRIC COMMUNICATION TECHNIQUE