Optical blob

Details Optical blob Optical blob

1997-02-05

1999-02-16

Nguyen, Kien T.

Amusement devices

Illusion or stage device

Illusion caused by mirror

472 61, A63G 3100

Patent

active

058714049

ABSTRACT:
In an illusion apparatus for self viewing, a specific element (usually a dark region) of a display is positioned on or about the line connecting the viewer and the center of curvature of a partially reflective partially transparent, convex mirror. The specific element thus appears in a relatively constant relationship to the viewer's image even as the viewer changes position in relation to the mirror and display.

REFERENCES:
patent: 4095882 (1978-06-01), Karamon
patent: 4814956 (1989-03-01), Kano
patent: 4971312 (1990-11-01), Weinreich

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