Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2006-03-14
2006-03-14
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S227270, C356S478000, C329S346000
Reexamination Certificate
active
07012245
ABSTRACT:
A sensor array employs a parameter to induce a time-varying phase angle φ on an optical signal that comprises a phase generated carrier. The phase angle φ is calculated through employment of only four samples, where all the four samples are based on the optical signal.
REFERENCES:
patent: 5903350 (1999-05-01), Bush et al.
patent: 6122057 (2000-09-01), Hall
patent: 6134281 (2000-10-01), Green et al.
patent: 6154308 (2000-11-01), Hall
Northrop Grumman Corporation
Patti & Brill LLC
Pyo Kevin
LandOfFree
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