Signal transmitting device of an intermediate lens barrel of a c

Details Signal transmitting device of an intermediate lens barrel of a c Signal transmitting device of an intermediate lens barrel of a c

1981-03-12

1982-05-11

Gonzales, John

354 46, 354270, G03B 1714

Patent

active

043290400

ABSTRACT:
In an intermediate lens barrel mountable between an interchangeable lens having on the mount thereof means for generating a minimum F-number signal and a camera having means for detecting the signal on the mount thereof on which the interchangeable lens is mountable and including a circuit for receiving as inputs the detected signal and an output based on the light passed through the interchangeable lens and effecting an exposure operation, there is provided means capable of being coupled to each of the signal generating means and the detecting means during said mounting. The transmitting means includes correcting means for shifting the signal obtained from the signal generating means by an amount corresponding to the difference of the minimum F-number obtained as the result of the coupling of the interchangeable lens and the intermediate lens barrel from the minimum F-number of the interchangeable lens and transmitting the signal to the detecting means.

REFERENCES:
patent: 3683765 (1972-08-01), Iura
patent: 4003068 (1977-01-01), Hashimoto et al.

Affiliated with

Also associated with

Rating

Signal transmitting device of an intermediate lens barrel of a c does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Signal transmitting device of an intermediate lens barrel of a c, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Signal transmitting device of an intermediate lens barrel of a c will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-753803