Frank C. Demarest

Person

Higganum, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Non-harmonic cyclic error compensation in interferometric encoder s...
- Patent number 9,146,093
- Issue date Sep 29, 2015
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Cyclic error compensation in interferometric encoder systems
- Patent number 8,913,226
- Issue date Dec 16, 2014
- Zygo Corpporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Cyclic error compensation in interferometry systems
- Patent number 7,616,322
- Issue date Nov 10, 2009
- Zygo Corporation
- Henry A. Hill
- G01 - MEASURING TESTING
Information Patent Grant
Cyclic error compensation in interferometry systems
- Patent number 7,576,868
- Issue date Aug 18, 2009
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Data age compensation with avalanche photodiode
- Patent number 7,542,147
- Issue date Jun 2, 2009
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Cyclic error compensation in interferometry systems
- Patent number 7,428,685
- Issue date Sep 23, 2008
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Glitch filter for distance measuring interferometry
- Patent number 6,975,406
- Issue date Dec 13, 2005
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Data age adjustments
- Patent number 6,597,459
- Issue date Jul 22, 2003
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Interferometer and method for measuring the refractive index and op...
- Patent number 6,529,279
- Issue date Mar 4, 2003
- Zygo Corporation
- Peter de Groot
- G01 - MEASURING TESTING
Information Patent Grant
Interferometer and method for measuring the refractive index and op...
- Patent number 6,525,825
- Issue date Feb 25, 2003
- Zygo Corporation
- Peter de Groot
- G01 - MEASURING TESTING
Information Patent Grant
Interferometer and method for measuring the refractive index and op...
- Patent number 6,525,826
- Issue date Feb 25, 2003
- Zygo Corporation
- Peter de Groot
- G01 - MEASURING TESTING
Information Patent Grant
Interferometer and method for measuring the refractive index and op...
- Patent number 6,407,816
- Issue date Jun 18, 2002
- Zygo Corporation
- Peter de Groot
- G01 - MEASURING TESTING
Information Patent Grant
Interferometer and method for measuring the refractive index and op...
- Patent number 6,327,039
- Issue date Dec 4, 2001
- Zygo Corporation
- Peter de Groot
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for measuring the refractive index and optical...
- Patent number 6,219,144
- Issue date Apr 17, 2001
- Zygo Corporation
- Henry Allen Hill
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for providing data age compensation in an inte...
- Patent number 5,767,972
- Issue date Jun 16, 1998
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Electro-optical measuring system
- Patent number 4,427,296
- Issue date Jan 24, 1984
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Grant
Edge timing in an optical measuring apparatus
- Patent number 4,332,475
- Issue date Jun 1, 1982
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DATA AGE REDUCTION
- Publication number 20230366670
- Publication date Nov 16, 2023
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Application
NON-HARMONIC CYCLIC ERROR COMPENSATION IN INTERFEROMETRIC ENCODER S...
- Publication number 20130278914
- Publication date Oct 24, 2013
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Application
CYCLIC ERROR COMPENSATION IN INTERFEROMETRIC ENCODER SYSTEMS
- Publication number 20120154780
- Publication date Jun 21, 2012
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Application
CYCLIC ERROR COMPENSATION IN INTERFEROMETRY SYSTEMS
- Publication number 20080304077
- Publication date Dec 11, 2008
- Zygo Corporation
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Application
Data age compensation with avalanche photodiode
- Publication number 20070127035
- Publication date Jun 7, 2007
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Application
Cyclic Error Compensation in Interferometry Systems
- Publication number 20070008547
- Publication date Jan 11, 2007
- Henry A. Hill
- G01 - MEASURING TESTING
Information Patent Application
Cyclic error compensation in interferometry systems
- Publication number 20050166118
- Publication date Jul 28, 2005
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Application
Glitch filter for distance measuring interferometry
- Publication number 20030025914
- Publication date Feb 6, 2003
- Frank C. Demarest
- G01 - MEASURING TESTING
Information Patent Application
Interferometer and method for measuring the refractive index and op...
- Publication number 20020140946
- Publication date Oct 3, 2002
- Peter de Groot
- G01 - MEASURING TESTING
Information Patent Application
Interferometer and method for measuring the refractive index and op...
- Publication number 20020140945
- Publication date Oct 3, 2002
- Peter de Groot
- G01 - MEASURING TESTING
Information Patent Application
Interferometer and method for measuring the refractive index and op...
- Publication number 20020131053
- Publication date Sep 19, 2002
- Peter De Groot
- G01 - MEASURING TESTING
Information Patent Application
Data age adjustments
- Publication number 20020021449
- Publication date Feb 21, 2002
- Frank C. Demarest
- G01 - MEASURING TESTING

Frank C. Demarest

Person

Patents Grantslast 30 patents

Non-harmonic cyclic error compensation in interferometric encoder s...

Cyclic error compensation in interferometric encoder systems

Cyclic error compensation in interferometry systems

Cyclic error compensation in interferometry systems

Data age compensation with avalanche photodiode

Cyclic error compensation in interferometry systems

Glitch filter for distance measuring interferometry

Data age adjustments

Interferometer and method for measuring the refractive index and op...

Interferometer and method for measuring the refractive index and op...

Interferometer and method for measuring the refractive index and op...

Interferometer and method for measuring the refractive index and op...

Interferometer and method for measuring the refractive index and op...

Apparatus and method for measuring the refractive index and optical...

Method and apparatus for providing data age compensation in an inte...

Electro-optical measuring system

Edge timing in an optical measuring apparatus

Patents Applicationslast 30 patents

DATA AGE REDUCTION

NON-HARMONIC CYCLIC ERROR COMPENSATION IN INTERFEROMETRIC ENCODER S...

CYCLIC ERROR COMPENSATION IN INTERFEROMETRIC ENCODER SYSTEMS

CYCLIC ERROR COMPENSATION IN INTERFEROMETRY SYSTEMS

Data age compensation with avalanche photodiode

Cyclic Error Compensation in Interferometry Systems

Cyclic error compensation in interferometry systems

Glitch filter for distance measuring interferometry

Interferometer and method for measuring the refractive index and op...

Interferometer and method for measuring the refractive index and op...

Interferometer and method for measuring the refractive index and op...

Data age adjustments