Range finder

Details Range finder Range finder

1976-01-26

1977-04-12

Haroian, Harry N.

Geometrical instruments

Straight-line light ray type

Multisight line

G01C 324

Patent

active

040166546

ABSTRACT:
A range finder is disclosed comprising a tube having an eye opening, an object opening and a sight divided into sections, each section having a sight line or a plurality of sight lines with designated ranges next to each sight line. This arrangement of sight lines allows for the placement of a plurality of easily readable ranges on a relatively small sight. The clustering of sight lines one on top of the other the full height of the sight makes it difficult to use a range finder without some eye strain. The arrangement of sight lines disclosed in the present invention obviates this problem but still allows for the placement of a sufficient number of sight lines so that the range finder is effective over a wide range of distances.

REFERENCES:
patent: 53420 (1966-03-01), Daly
patent: 3381381 (1968-05-01), Ruchlis
patent: 3842511 (1974-10-01), Young
patent: 3846918 (1974-11-01), Wehlau

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