Rangefinder

Details Rangefinder Rangefinder

1980-04-16

1984-07-03

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

250203R, 350 62, 350358, 356152, G01C 308, G01B 1126

Patent

active

044576218

ABSTRACT:
A laser rangefinder including a reflector carried by a rotatable support and arranged to repetitively nod in elevation for deflecting the beam from a laser generator at an instant elevational angle dependent on the instant elevational position of the reflector so that the elevational nod of the reflector and rotation of the support produce a helical scan pattern. A deflector positioned between the beam generator and reflector additionally deflects the beam before it impinges on the reflector to direct the beam toward a target regardless of the instantaneous elevational position of the nodding reflector. A beam receiver receives via the reflector any beam reflected back from a target hit by an outgoing beam. The rangefinder is combined with a surveillance scanner to form a surveillance system.

REFERENCES:
patent: 3514534 (1970-05-01), Korpel
patent: 3565528 (1971-02-01), Witte
patent: 3644043 (1972-02-01), Jones et al.
patent: 4025193 (1977-05-01), Pond et al.
patent: 4063819 (1977-12-01), Hayes
NASA Tech. Brief 68-10311, Aug. 1968.

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