Optical: systems and elements – Relief illusion – Reflected line of sight
Patent
1989-05-02
1992-02-11
Arnold, Bruce Y.
Optical: systems and elements
Relief illusion
Reflected line of sight
359466, 359894, 434 81, G02B 2702
Patent
active
050871110
ABSTRACT:
A hand held or table positioned mat selection device (FIG. 1) in which the viewing eyepiece (28) is used to restrict the field of view to a mat or mats (FIG. 13: 40A, 40B and 40C) and their apertures (41C) in a carrier (36) which may be moved forward or backward so as to fill the periphery of the visual field, and with the viewing device aimed at the picture to be matted 20 (FIGS. 9A and 9B) so that the illusion of a mat surrounding a picture (FIG. 11) is created and preserved. The capacity of the mat selection device for monocular viewing (FIG. 3A) and binocular viewing (FIG. 3B) is described.
REFERENCES:
patent: 1194057 (1916-08-01), Murphy
patent: 1900557 (1933-03-01), Holcombe
patent: 2261850 (1941-11-01), Kelly
patent: 2289467 (1942-07-01), Taylor
patent: 2581000 (1952-01-01), Copeland
patent: 2951417 (1960-09-01), Reeder et al.
patent: 4160581 (1979-07-01), Weissler
patent: 4550978 (1985-11-01), Friedle
Arnold Bruce Y.
Ben Loha
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