Television – Special applications – Simulator
Patent
1993-11-03
1994-06-28
Adams, Russell E.
Television
Special applications
Simulator
354286, 348363, G03B 708
Patent
active
053251490
ABSTRACT:
A camera system with interchangeable lens, consisting of a camera unit and a lens unit detachably mountable on the camera unit, comprising a target value setting circuit for setting a target control value of a diaphragm provided in the lens unit, a correction circuit for generating a correction signal for varying the content of the target value setting circuit, a diaphragm state detection circuit for detecting the diaphragm information, a first control circuit for varying the set value of the target value setting circuit, based on the correction signal, a diaphragm drive circuit for driving the diaphragm according the result of comparison of the output of the diaphragm state detection circuit and the value of the target value setting circuit, a memory circuit for storing the information specific to each lens unit, and a second control circuit for generating, at the detaching and mounting of the lens unit, a command for controlling the value of the target value setting circuit for bringing the diaphragm to a predetermined state, by referring to the content of the memory circuit.
REFERENCES:
patent: 4860113 (1989-08-01), Miyamoto et al.
patent: 4959728 (1990-09-01), Takahashi et al.
patent: 4967281 (1990-10-01), Takada
patent: 5168365 (1992-12-01), Kawahara
Adams Russell E.
Canon Kabushiki Kaisha
LandOfFree
Camera system with interchangeable lens does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Camera system with interchangeable lens, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Camera system with interchangeable lens will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2380262