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Robert K. Froelich
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Sunnyvale, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Bandpass processing of a spread spectrum signal
Patent number
6,741,638
Issue date
May 25, 2004
SchlumbergerSema Inc.
Erik A. Ramberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiving a spread spectrum signal
Patent number
6,628,699
Issue date
Sep 30, 2003
Schlumberger Resource Management Systems, Inc.
Erik A. Ramberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bandpass correlation of a spread spectrum signal
Patent number
6,456,644
Issue date
Sep 24, 2002
CellNet Data Systems, Inc.
Erik A. Ramberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acquiring a spread spectrum signal
Patent number
6,263,009
Issue date
Jul 17, 2001
CellNet Data Systems, Inc.
Erik A. Ramberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency discrimination in a spread spectrum signal processing system
Patent number
6,178,197
Issue date
Jan 23, 2001
CellNet Data Systems, Inc.
Robert K. Froelich
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Processing a spread spectrum signal in a frequency adjustable system
Patent number
6,047,016
Issue date
Apr 4, 2000
CellNet Data Systems, Inc.
Erik A. Ramberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Bandpass processing of a spread spectrum signal
Publication number
20040258140
Publication date
Dec 23, 2004
Erik A. Ramberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECEIVING A SPREAD SPECTRUM SIGNAL
Publication number
20010050948
Publication date
Dec 13, 2001
ERIK A. RAMBERG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BANDPASS PROCESSING OF A SPREAD SPECTRUM SIGNAL
Publication number
20010038662
Publication date
Nov 8, 2001
ERIK A. RAMBERG
H04 - ELECTRIC COMMUNICATION TECHNIQUE