Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate
2004-08-20
2008-03-25
Allen, Stephone B. (Department: 2872)
Optics: measuring and testing
Range or remote distance finding
With photodetection
Reexamination Certificate
active
07349073
ABSTRACT:
An efficient optical system and beam transmission and reception pathway design of particular applicability in the implementation of a cost effective, compact laser-based range-finding instrument. The design is one in which the visual pathway may be made coincident with either the laser transmission or laser reception pathway and may conveniently be implemented in conjunction with a low cost liquid crystal display (LCD) aiming reticle and head up (HUD) information display or in conjunction with a light emitting diode (LED) element. In accordance with the present invention, relatively inexpensive plate mirrors may be used to replace more conventional and costly prism-based implementations.
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Allen Stephone B.
Doak Jennifer L
Hogan & Hartson LLP
Kama-Tech (HK) Limited
Kubida William J.
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