Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1984-08-31
1986-06-03
Perkey, William B.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358227, G03B 300, H04N 538
Patent
active
045926387
ABSTRACT:
The disclosed automatic focus adjusting device includes both an active type range finder and a passive type range finder. A selecting arrangement responds to a signal representing the position of a focusing lens and causes operation of either the first or the second range finder. Preferably, the active type range finder is operative when the system is actuated.
REFERENCES:
patent: 3617633 (1971-11-01), Barr et al.
patent: 3813679 (1974-05-01), Hasegawa et al.
patent: 4410261 (1983-10-01), Masunaga et al.
patent: 4464038 (1984-08-01), Namba et al.
Kaneda Naoya
Matsuda Kazuya
Canon Kabushiki Kaisha
Perkey William B.
LandOfFree
Automatic focus adjusting device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Automatic focus adjusting device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic focus adjusting device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1230213