Optical fiber based sensor for a variable depth range camera

Details Optical fiber based sensor for a variable depth range camera Optical fiber based sensor for a variable depth range camera

1990-07-02

1991-07-16

Wallace, Linda J.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 4, 25022726, 25022728, 250233, G01C 310, G01D 536

Patent

active

050320238

ABSTRACT:
An apparatus for a variable depth triangulation ranging system, the ranging system including means for emitting a light beam, means for focusing an emitted light beam on an object, and lens means for imaging reflected light onto an input end of said apparatus. The present apparatus includes an optical fiber bundle, the bundle including an input end and an output end, the bundle input end being disposed so as to intercept transmissions from said lens means, means for scanning, in a time-based manner, the bundle output end, the scanning means being configured to generate a time-based signal indicative of a light signals present at the bundle ouput end, and means for calculating system geometry and range from the time-based signal.

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Bocchi et al., Sensor Performance in Long Range 3D Triangulation Systems (authors identified as being at Cyber Optics Corporation, Minneapolis, Minnesota).

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