G - Physics – 03 – B
Patent
G - Physics
03
B
G03B 21/64 (2006.01) G02B 27/22 (2006.01)
Patent
CA 2234299
A stereo slide mount capable of reproducing correct three-dimensional effect, facilitating easily mounting operation and correct positioning operation. Plural kinds of stereo slide mounts 1 (#0 to #n) have windows of which the width W stepwisely decreases, have a pitch Pw that remains the same between the windows, and have a different pitch for mounting the right and left films. The base frame is provided with positioning pins 6 that engage with perforations of the films, and the cover frame is provided with pin holes 7 that fit to the positioning pins 6. The positioning pins 6 and pin holes 7 are so arranged that the inner vertical sides of the windows come into agreement with the inner edges of the film screens irrespective of the width W of the windows. The stereo slide mounts having smaller widths of windows have larger gap widths (P0, P1,----) between the two right positioning pins 6 and the two left positioning pins 6 and, hence, have increased pitches between the right film and the left film, and increased masking amounts on the outer sides of the right and left films.
Inaba Minoru
Swabey Ogilvy Renault
LandOfFree
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