Invention Grant
US07679413B2 Signal oversampling for improved S:N in reflector movement system
失效
信号过采样，用于改善反射器运动系统中的S：N
- Patent Title: Signal oversampling for improved S:N in reflector movement system
- Patent Title (中): 信号过采样，用于改善反射器运动系统中的S：N
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Application No.: US12248651Application Date: 2008-10-09
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Publication No.: US07679413B2Publication Date: 2010-03-16
- Inventor: Robert M. Carangelo , Paul C. Jette , Jack Kisslinger
- Applicant: Robert M. Carangelo , Paul C. Jette , Jack Kisslinger
- Applicant Address: US MA Andover
- Assignee: MKS Instruments, Inc.
- Current Assignee: MKS Instruments, Inc.
- Current Assignee Address: US MA Andover
- Agency: Proskauer Rose LLP
- Main IPC: H04K12/00
- IPC: H04K12/00
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.
Public/Granted literature
- US20090039934A1 Signal Oversampling for Improved S:N in Reflector Movement System Public/Granted day:2009-02-12
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