Laser archery distance device

Details Laser archery distance device Laser archery distance device

1985-08-30

1988-06-28

Paschall, M. H.

Optics: measuring and testing

Range or remote distance finding

With photodetection

33265, G01C 300, G01C 500, F41G 100

Patent

active

047535288

ABSTRACT:
A method and apparatus for determining distance from a bow to a target at which the bow is aimed in which a beam of collimated light from a laser is directed to the target and reflected to a linear photosensitive element mounted on the bow. The element and laser are positioned on the bow so that the linear position of the incident reflected beam varies with the target distance and the element produces an output indicating the position. A circuit receives that output and produces a display of the target distance.

REFERENCES:
patent: 2788701 (1957-04-01), Browning
patent: 3671126 (1972-06-01), Erb
patent: 4441810 (1984-04-01), Momose et al.
patent: 4589773 (1986-05-01), Ido et al.
patent: 4606629 (1986-08-01), Hines et al.

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