Stereoviewer and package

Details Stereoviewer and package Stereoviewer and package

1993-04-16

1995-02-14

LaRoche, Eugene R.

Optical: systems and elements

Stereoscopic

Stereo-viewers

359474, 359477, G02B 2704

Patent

active

053900472

ABSTRACT:
A stereoviewer and package for facilitating the immediate observation of a stereo pair of photographs and enabling all people to adjust the focal length to their own least distance of distinct vision. A box-shaped main body case for accommodating stereoscopic photographs and a lid case attached to the main body case so as to be slidable thereon serves as a package which is opened and closed by the sliding operation of both cases. A holder portion is provided on the rear surface, for example, of the main body case so as to position and hold the stereoscopic photographs in a standing state, and binocular lenses are disposed on the front surface of the lid case so as to view the stereoscopic photographs therethrough. The rear surface of the main body case and the front surface of the lid case are inclined in such a manner that the side surfaces of the stereoviewer are in a shape of a trapezoid when the main body case is attached upside down to the lid case at the time of observation. It is thus possible to view the vertically central portion of the stereoscopic photographs through the binocular lenses, and is also possible to change the distance between the binocular lenses and the stereoscopic photographs by the sliding operation of both cases.

REFERENCES:
patent: 5218470 (1993-06-01), Mizukawa et al.

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