Signal oversampling for improved S:N in reflector movement...

Details Signal oversampling for improved S:N in reflector movement... Signal oversampling for improved S:N in reflector movement...

2011-07-19

2011-07-19

Hellner, Mark (Department: 3663)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular wave

C327S233000, C327S258000, C356S340000

Reexamination Certificate

active

07982513

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.

REFERENCES:
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patent: 4636662 (1987-01-01), Lundin
patent: 4847878 (1989-07-01), Badeau
patent: 5133598 (1992-07-01), Badeau
patent: 7436234 (2008-10-01), Carangelo et al.
patent: 7679413 (2010-03-01), Carangelo et al.

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