Multi-directional focus state detection apparatus

Details Multi-directional focus state detection apparatus Multi-directional focus state detection apparatus

1989-02-21

1989-08-22

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250204, 354408, G01J 120

Patent

active

048598429

ABSTRACT:
A focus detection apparatus includes:

REFERENCES:
patent: 3781110 (1973-12-01), Leitz
patent: 4110042 (1978-08-01), Leitz
patent: 4296316 (1981-10-01), Tsuji et al.
patent: 4373791 (1983-02-01), Araki
patent: 4543476 (1985-09-01), Horikawa
patent: 4560863 (1985-12-01), Matsumura et al.
patent: 4602153 (1986-07-01), Suzuki

Affiliated with

Also associated with

Rating

Multi-directional focus state detection apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-directional focus state detection apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-directional focus state detection apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2418436