Field glass with additional information

Details Field glass with additional information Field glass with additional information

1995-06-23

1997-04-08

Epps, Georgia Y.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359428, G02B 2714

Patent

active

056193785

ABSTRACT:
A field glass having means for alternatively observing additional information, an information carrier or an information deflecting means being disposed in the beam path, the information carrier or information deflecting means being disposed within the housing of the field glass and adapted to be brought into and out of the beam path between the objective and eyepiece.

REFERENCES:
patent: 1149668 (1915-08-01), Matte
patent: 2759393 (1952-10-01), McLeod
patent: 4248496 (1981-02-01), Akin, Jr. et al.
patent: 4400065 (1983-08-01), Nagler
patent: 5463495 (1995-10-01), Murg

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