Numismatic detector

Details Numismatic detector Numismatic detector

1986-05-08

1989-03-07

Perkey, W. B.

Optics: measuring and testing

Range or remote distance finding

With photodetection

354126, 354292, 356371, 73163, G03B 1502, G03B 2900, G07F 302, G01B 1130

Patent

active

048110400

ABSTRACT:
A numismatic detector including a laser generator, a light collimator to form generated laser light into discrete beams, a coin holder to precisely position coins to be detected, and a film pack adapted to receive reflection of discrete light beams from the surface of the coin.

REFERENCES:
patent: 3407294 (1968-10-01), Hill
patent: 3643568 (1972-02-01), Guillet et al.
patent: 3964829 (1976-06-01), Munis
patent: 4058820 (1977-11-01), Hollen
patent: 4202630 (1980-05-01), Suzecki et al.

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