Microelectromechanical system optical sensor providing bit...

Details Microelectromechanical system optical sensor providing bit... Microelectromechanical system optical sensor providing bit...

2005-03-01

2005-03-01

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S203300, C250S203400, C136S243000

Reexamination Certificate

active

06861633

ABSTRACT:
An integrated microelectromechanical system (MEMS) sun sensor includes a filter, microlens, aperture and a folded MEMS optical element combined with an active pixel sensor array to form an integrated spacecraft sun sensor in an integrated sealed package, offering lower power, smaller size and higher performance for use on spinning spacecraft useful in attitude determinations. Multiple like sun sensors can be disposed for increasing the reliability, spatial coverage or spatial resolution for a specific performance requirement.

REFERENCES:
patent: 6639733 (2003-10-01), Minano et al.
patent: 6700055 (2004-03-01), Barone

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