Perimeter

Details Perimeter Perimeter

2011-08-09

2011-08-09

Dang, Hung (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

C351S224000

Reexamination Certificate

active

07993002

ABSTRACT:
A perimeter of the present invention including: visual field scanning screen generating means; fixation image displaying and controlling means; visual target scan line parallel setting means; visual target displaying and controlling means; statically displaying and controlling means for a specific time; static display position storing means for a specific time; kinetic display and control starting means for giving rise to another of the visual target kinetically based on the start point of a specific time from the position which the static display position storing means stores; detecting means; detection position storing means; distance storing means; and scanning continuation means.

REFERENCES:
patent: 5235360 (1993-08-01), Minami
patent: 7658496 (2010-02-01), Shimada et al.
patent: 7753525 (2010-07-01), Hara et al.
patent: S58-121937 (1983-07-01), None
patent: H4-135534 (1992-05-01), None
patent: H14-306413 (2002-10-01), None
patent: H16-73545 (2004-03-01), None
patent: H19-29112 (2007-02-01), None
patent: H19-75350 (2007-03-01), None
patent: H20-36297 (2008-02-01), None
patent: WO2006/106877 (2006-10-01), None
Matsumoto et al., Me de Miru Shiya Kensa no Susumekata, Feb. 27, 2004, pp. 52 to 55, Kanehara & Co., Ltd.

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