Camera system

Details Camera system Camera system

1993-12-15

1995-07-25

Gray, David M.

354 62, 354219, G03B 1300

Patent

active

054366909

ABSTRACT:
A camera with a sight line detecting apparatus is designed such that if watching point information storing means for watching point information is in a saturated state when new watching point information is found, watching point information low in reliability will be preferentially deleted and the new watching point information will be renewed and recorded with a watching time and lapse time being taken into account. Also, to improve reliability, different weighting may be performed on the watching point information depending upon an elapsed time from the time of initially determining the watching point information.

REFERENCES:
patent: 4574314 (1986-03-01), Weinblatt
patent: 4836670 (1989-06-01), Hutchinson
patent: 4950069 (1990-08-01), Hutchinson
patent: 5036347 (1991-07-01), Tsunekawa et al.
patent: 5214466 (1993-05-01), Nagano et al.

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