Raymond A. Birgenheier

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Spokane, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods of using IQ modulation for calibration or measu...
- Patent number 7,397,865
- Issue date Jul 8, 2008
- Agilent Technologies, Inc.
- George S. Moore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IF frequency response characterization employing overlapping freque...
- Patent number 7,310,504
- Issue date Dec 18, 2007
- Agilent Technologies, Inc.
- Raymond A. Birgenheier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for measuring modulation accuracy
- Patent number 5,187,719
- Issue date Feb 16, 1993
- Hewlett-Packard Company
- Raymond A. Birgenheier
- G01 - MEASURING TESTING
Information Patent Grant
Baseband modulation system with improved ROM-based digital filter
- Patent number 5,140,613
- Issue date Aug 18, 1992
- Hewlett-Packard Company
- Raymond A. Birgenheier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for measuring phase accuracy and amplitude pro...
- Patent number 5,001,724
- Issue date Mar 19, 1991
- Hewlett-Packard Company
- Raymond A. Birgenheier
- G01 - MEASURING TESTING
Information Patent Grant
Digital premodulation filter
- Patent number 4,757,519
- Issue date Jul 12, 1988
- Hewlett-Packard
- Robert R. Collison
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
IF frequency response characterization employing overlapping freque...
- Publication number 20050215217
- Publication date Sep 29, 2005
- Raymond A. Birgenheier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods of using IQ modulation for calibration or measu...
- Publication number 20040196925
- Publication date Oct 7, 2004
- George S. Moore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE