The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 2010
Filed:
Oct. 09, 2008
Applicants:
Robert M. Carangelo, Glastonbury, CT (US);
Paul C. Jette, Bethel, CT (US);
Jack Kisslinger, Verona, WI (US);
Inventors:
Robert M. Carangelo, Glastonbury, CT (US);
Paul C. Jette, Bethel, CT (US);
Jack Kisslinger, Verona, WI (US);
Assignee:
MKS Instruments, Inc., Andover, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Eight or more transition points are generated during a given period, and are used in tracking movement of an interferometer reflector. Duty cycles of generated square waves are used to establish precise intervals between the transition points, and precise wave-phase relationships.