Method and system for optically tracking a target using...

Details Method and system for optically tracking a target using... Method and system for optically tracking a target using...

2006-07-18

2006-07-18

Epps, Georgia (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S203200

Reexamination Certificate

active

07078672

ABSTRACT:
An optical position-tracking system comprises an optical device for generating an incident light beam and a reference light beam from a light beam. Moreover, the optical position-tracking system further comprises a light beam steering device for sweeping the incident light beam through an angular range to cause a reflection of the incident light beam by a target, whereas the reflection of the incident light beam is directed to interfere with the reference light beam to form an interference light beam. Additionally, the optical position-tracking system enables determination of a position of the target using an interferometric technique utilizing an angular value of the incident light beam and the interference light beam, whereas the angular value depends on the reflection.

REFERENCES:
patent: 4714339 (1987-12-01), Lau et al.

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