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Keith E. Hollenbach
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Kutztown, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Event detection circuit
Patent number
6,999,581
Issue date
Feb 14, 2006
Agere Systems Inc.
Tony El-Kik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Combination clock and charge pump for line powered DAA
Patent number
6,920,218
Issue date
Jul 19, 2005
Agere Systems Inc.
Timothy W. Fuehrer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for reducing distortion in a line powered modu...
Patent number
6,763,107
Issue date
Jul 13, 2004
Agere Systems Inc.
Jonathan Herman Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Line interface circuit with event detection signaling
Patent number
6,744,888
Issue date
Jun 1, 2004
Agere Systems Inc.
Tony El-Kik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detection of low tip/ring currents in a line powered DAA
Patent number
6,735,305
Issue date
May 11, 2004
Agere Systems Inc.
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low noise line powered DAA with differential feedback
Patent number
6,731,728
Issue date
May 4, 2004
Agere Systems Inc.
Keith Eugene Hollenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for stabilization of a line powered modulator...
Patent number
6,728,371
Issue date
Apr 27, 2004
Agere Systems Inc.
Jonathan Herman Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Startup procedure for international line powered DAA
Patent number
6,674,857
Issue date
Jan 6, 2004
Agere Systems Inc.
Jonathan H. Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pre-charging line modem capacitors to reduce DC setup time
Patent number
6,621,904
Issue date
Sep 16, 2003
Agere Systems Inc.
Jonathan Herman Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Line powered DAA with single ended feedback
Patent number
6,421,430
Issue date
Jul 16, 2002
Agere Systems Guardian Corp.
Keith Eugene Hollenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Extended feedback circuit employing capacitive coupling and sampled...
Patent number
6,418,220
Issue date
Jul 9, 2002
Agere Systems Guardian Corp.
Jonathan Herman Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for combining serial data with a clock signal
Patent number
6,396,877
Issue date
May 28, 2002
Agere Systems Guardian Corp.
Keith Eugene Hollenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Extended feedback circuit employing capacitive coupling and sampled...
Patent number
6,275,581
Issue date
Aug 14, 2001
Agere Systems Guardian Corp.
Jonathon Herman Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call related information reception using sigma/delta modulation
Patent number
6,205,219
Issue date
Mar 20, 2001
Lucent Technologies, Inc.
Keith Eugene Hollenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for telephone line interlock and cellular interconnect
Patent number
6,198,944
Issue date
Mar 6, 2001
Lucent Technologies, Inc.
Keith Eugene Hollenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for reducing power dissipation in DC terminati...
Patent number
5,912,513
Issue date
Jun 15, 1999
Lucent Technologies, Inc.
Keith E. Hollenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication card with telephone line interlock and cellular inter...
Patent number
5,877,565
Issue date
Mar 2, 1999
Lucent Technologies, Inc.
Keith Eugene Hollenbach
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Extended feedback circuit employing capacitive coupling and sampled...
Publication number
20010033653
Publication date
Oct 25, 2001
Jonathan Herman Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE