Method to detect misalignment and distortion in near-eye...

Details Method to detect misalignment and distortion in near-eye... Method to detect misalignment and distortion in near-eye...

2007-06-12

2007-06-12

Mai, Huy (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

For interpupillary distance measuring or lens positioning

C351S201000, C351S240000

Reexamination Certificate

active

10403806

ABSTRACT:
A flashing dot is alternately shown in the left image and right display of a binocular device at short intervals so as to allow a user to detect the misalignment in the displays. If misalignment occurs, the user sees a dot moving between two locations. The user uses a device or a software program to move the dot for minimizing the apparent movement until a single stationary dot is observed.

REFERENCES:
patent: 5034809 (1991-07-01), Katoh
patent: 5612709 (1997-03-01), Sudo et al.
patent: 5625408 (1997-04-01), Matsugu et al.
patent: 5825340 (1998-10-01), Torizuka et al.
patent: 5936663 (1999-08-01), Tabata et al.
patent: 6239771 (2001-05-01), Usuki et al.

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