Information system

Details Information system Information system

2000-10-07

2011-10-25

Dang, Hung (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Methods of use

Reexamination Certificate

active

08042947

ABSTRACT:
The invention relates to an information system comprising a signal detection device (1751) which detects signals reflected back by at least one eye having a retina; a visual field detection device which detects visible light in a visual field associated with the retina, without detecting a ghost image of the retina; an information device; and an output device which co-operates with the information device to provide information according to the detected light and in correlation with the detected signals.

REFERENCES:
patent: 5815741 (1998-09-01), Okuyama et al.
patent: 6227667 (2001-05-01), Halldorsson et al.
patent: 19631414 (1998-02-01), None
patent: 19728890 (1999-02-01), None
International Search Report mailed Jun. 12, 2001.

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