David VerNon Blackham

Person

Santa Rosa, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Determining operating characteristics of signal generator using mea...
- Patent number 9,632,122
- Issue date Apr 25, 2017
- Keysight Technologies, Inc.
- Loren C. Betts
- G01 - MEASURING TESTING
Information Patent Grant
Differential vector network analyzer
- Patent number 7,545,150
- Issue date Jun 9, 2009
- Agilent Technologies, Inc.
- Keith F. Anderson
- G01 - MEASURING TESTING
Information Patent Grant
Impedance analyzer
- Patent number 7,161,358
- Issue date Jan 9, 2007
- Agilent Technologies, Inc.
- Hassan Tanbakuchi
- G01 - MEASURING TESTING
Information Patent Grant
VNA and method for addressing transmission line effects in VNA meas...
- Patent number 7,148,702
- Issue date Dec 12, 2006
- Agilent Technologies, Inc.
- Kenneth H. Wong
- G01 - MEASURING TESTING
Information Patent Grant
Method for implementing TRL calibration in VNA
- Patent number 7,124,049
- Issue date Oct 17, 2006
- Agilent Technologies, Inc.
- Kenneth H. Wong
- G01 - MEASURING TESTING
Information Patent Grant
Power calibration for multi-port vector network analyzer (VNA)
- Patent number 7,061,254
- Issue date Jun 13, 2006
- Agilent Technologies, Inc.
- Robert Edward Shoulders
- G01 - MEASURING TESTING
Information Patent Grant
Network analyzer applying loss compensation using port extensions a...
- Patent number 7,054,780
- Issue date May 30, 2006
- Agilent Technologies, Inc.
- Joel Dunsmore
- G01 - MEASURING TESTING
Information Patent Grant
Multiport calibration simplification using the “unknown thru” method
- Patent number 7,019,536
- Issue date Mar 28, 2006
- Agilent Technologies, Inc.
- Keith F. Anderson
- G01 - MEASURING TESTING
Information Patent Grant
Noise measurement system and method
- Patent number 7,010,443
- Issue date Mar 7, 2006
- Agilent Technologies, Inc.
- Shigetsune Torin
- G01 - MEASURING TESTING
Information Patent Grant
Vector network analyzer mixer calibration using the unknown thru ca...
- Patent number 6,995,571
- Issue date Feb 7, 2006
- Agilent Technologies, Inc.
- James C. Liu
- G01 - MEASURING TESTING
Information Patent Grant
Compensating for unequal load and source match in vector network an...
- Patent number 6,836,743
- Issue date Dec 28, 2004
- Agilent Technologies, Inc.
- David V. Blackham
- G01 - MEASURING TESTING
Information Patent Grant
System and method for determining measurement errors of a testing d...
- Patent number 6,823,276
- Issue date Nov 23, 2004
- Agilent Technologies, Inc.
- David V. Blackham
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for efficient measurement of reciprocal multip...
- Patent number 6,396,285
- Issue date May 28, 2002
- Agilent Technologies, Inc.
- David VerNon Blackham
- G01 - MEASURING TESTING
Information Patent Grant
Removing effects of adapters present during vector network analyzer...
- Patent number 6,188,968
- Issue date Feb 13, 2001
- Agilent Technologies Inc.
- David VerNon Blackham
- G01 - MEASURING TESTING
Information Patent Grant
Error correction method for reflection measurements of reciprocal d...
- Patent number 6,060,888
- Issue date May 9, 2000
- Hewlett-Packard Company
- David V. Blackham
- G01 - MEASURING TESTING
Information Patent Grant
Error correction method for transmission measurements in vector net...
- Patent number 5,748,000
- Issue date May 5, 1998
- Hewlett-Packard Company
- David Vernon Blackham
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DETERMINING OPERATING CHARACTERISTICS OF SIGNAL GENERATOR USING MEA...
- Publication number 20150369849
- Publication date Dec 24, 2015
- Keysight Technologies, Inc.
- Loren C. Betts
- G01 - MEASURING TESTING
Information Patent Application
Differential Vector Network Analyzer
- Publication number 20080204041
- Publication date Aug 28, 2008
- Keith F. Anderson
- G01 - MEASURING TESTING
Information Patent Application
N-port signal separation apparatus with improved frequency selectiv...
- Publication number 20080020726
- Publication date Jan 24, 2008
- David V. Blackham
- G01 - MEASURING TESTING
Information Patent Application
VNA and method for addressing transmission line effects in VNA meas...
- Publication number 20060226856
- Publication date Oct 12, 2006
- Kenneth H. Wong
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR IMPLEMENTING TRL CALIBRATION IN VNA
- Publication number 20060161369
- Publication date Jul 20, 2006
- Kenneth H. Wong
- G01 - MEASURING TESTING
Information Patent Application
Network analyzer applying loss compensation using port extensions a...
- Publication number 20060074582
- Publication date Apr 6, 2006
- Joel Dunsmore
- G01 - MEASURING TESTING
Information Patent Application
Noise measurement system and method
- Publication number 20050096859
- Publication date May 5, 2005
- Shigetsune Torin
- G01 - MEASURING TESTING
Information Patent Application
System and method for determining measurement errors of a testing d...
- Publication number 20040199350
- Publication date Oct 7, 2004
- David V. Blackham
- G01 - MEASURING TESTING
Information Patent Application
Modeling pin depths associated with coaxial standards
- Publication number 20040162713
- Publication date Aug 19, 2004
- David VerNon Blackham
- G06 - COMPUTING CALCULATING COUNTING

David VerNon Blackham

Person

Patents Grantslast 30 patents

Determining operating characteristics of signal generator using mea...

Differential vector network analyzer

Impedance analyzer

VNA and method for addressing transmission line effects in VNA meas...

Method for implementing TRL calibration in VNA

Power calibration for multi-port vector network analyzer (VNA)

Network analyzer applying loss compensation using port extensions a...

Multiport calibration simplification using the “unknown thru” method

Noise measurement system and method

Vector network analyzer mixer calibration using the unknown thru ca...

Compensating for unequal load and source match in vector network an...

System and method for determining measurement errors of a testing d...

Method and apparatus for efficient measurement of reciprocal multip...

Removing effects of adapters present during vector network analyzer...

Error correction method for reflection measurements of reciprocal d...

Error correction method for transmission measurements in vector net...

Patents Applicationslast 30 patents

DETERMINING OPERATING CHARACTERISTICS OF SIGNAL GENERATOR USING MEA...

Differential Vector Network Analyzer

N-port signal separation apparatus with improved frequency selectiv...

VNA and method for addressing transmission line effects in VNA meas...

METHOD FOR IMPLEMENTING TRL CALIBRATION IN VNA

Network analyzer applying loss compensation using port extensions a...

Noise measurement system and method

System and method for determining measurement errors of a testing d...

Modeling pin depths associated with coaxial standards