Patent
1976-11-05
1978-08-01
Adams, Russell E.
354 23D, 354286, G03B 1700
Patent
active
041046498
ABSTRACT:
A device adapted for the purpose of enabling the use of presently available interchangeable photographic lenses in recently developed digitalized single lens reflex camera systems. This device is constructed in the form of an adaptor attachable to and detachable from the body of an interchangeable lens mount and capable, upon attachment to a conventional interchangeable lens, of providing information representing the full open F number of the interchangeable lens in the form of a coded digital signal. This signal is applied to a digitalized camera body associated therewith and provided, for example, with an inputting device adapted to receive the full open F number of the interchangeable lens as coded digital signal.
REFERENCES:
patent: 3777640 (1973-12-01), Holderbaum
patent: 3928858 (1975-12-01), Sakurada et al.
patent: 4006484 (1977-02-01), Nobusawa
Hashimoto Shigeru
Ito Tadashi
Iwashita Tomonori
Kozuki Susumu
Ohtaki Shohei
Adams Russell E.
Canon Kabushiki Kaisha
LandOfFree
Adaptor for providing a digital signal indicating the full open does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Adaptor for providing a digital signal indicating the full open , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adaptor for providing a digital signal indicating the full open will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1982858