Position sensor

Details Position sensor Position sensor

2006-06-13

2008-08-19

Font, Frank G (Department: 2883)

Optical waveguides

Optical waveguide sensor

Including physical deformation or movement of waveguide

C385S012000, C385S015000, C385S016000, C385S025000, C385S026000, C385S031000, C250S231180

Reexamination Certificate

active

07415173

ABSTRACT:
A hinge position sensor comprises first and second members connected together to provide a hinge, and an optical fiber or wave-guide connected between the first and second members to provide a communication link between the first and second members. A laser or LED is coupled to the optical fiber or wave-guide to transmit optical signals between the first and second members and the optical signal is received by a photo-detector. The optical fiber or wave-guide is physically distorted by actuation of the hinge such that light escapes from the optical fiber or wave-guide. The optical power level received by the photo-detector is used to determine the position of the hinge.

REFERENCES:
patent: 6571030 (2003-05-01), Ramaswami et al.

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