Observation apparatus

Details Observation apparatus Observation apparatus

1984-05-07

1987-01-20

Corbin, John K.

G02B 2608

Patent

active

046376925

ABSTRACT:
An observation apparatus enabling alternative sighting of two objects (11, 21) placed in two intersection planes (1, 2). The apparatus comprises, in front of its objective lens (42), a reflector (6) comprising a single flat reflecting surface capable of pivoting around the optical axis (41) of the objective, this axis being positioned substantially in the bisector plane (5) or a plane parallel to the bisector plane of the dihedron formed by the two object planes (1, 2) while forming a specified angle with a ridge (3) of the dihedron. The apparatus applies particularly to an audiovisual device for sighting, using a camera, a person or a document placed before him or her so as to be readable in a normal fashion.

REFERENCES:
patent: 2518347 (1950-08-01), Mandel
patent: 3140341 (1964-07-01), Holt

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