Time domain laser reconnaissance technique

Details Time domain laser reconnaissance technique Time domain laser reconnaissance technique

1974-07-29

1980-12-16

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 4, 356371, 358 96, 358107, 358108, 358109, G01C 308, H04N 700

Patent

active

042393884

ABSTRACT:
Method and apparatus for producing imagery of an object having distinct vertical geometry characteristics located at a reference plane remote from a scanning laser. In particular, a laser beam is utilized to scan objects at the reference plane and the optical signal reflected therefrom, corresponding to the reflectivity of the objects and background, is detected. An electrical signal, corresponding to the detected reflectivity signal, is coupled to an RF amplifier, the output of the RF amplifier being applied to an amplitude demodulator. The output of the amplitude demodulator, corresponding to the reflectivity and vertical geometry characteristics of the object at the reference plane, is applied to a recording device to produce the aforementioned imagery.

REFERENCES:
patent: 3395608 (1968-08-01), Neill
patent: 3527533 (1970-09-01), Hook et al.
patent: 3533697 (1970-10-01), Hughes
patent: 3565528 (1971-02-01), Witte
patent: 3743418 (1973-07-01), Heflinger
patent: 3790287 (1974-02-01), Cuthbert et al.
patent: 3879133 (1975-04-01), Mathieu
patent: 3897150 (1975-07-01), Bridges et al.

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