Control apparatus

Details Control apparatus Control apparatus

1993-05-04

1995-07-18

Gray, David M.

G03B 1700

Patent

active

054346371

ABSTRACT:
A control apparatus in a system which has a control apparatus such as a camera or the like and an apparatus to be controlled such as a lens unit or the like which can be attached or detached to/from the control apparatus and in which the control apparatus controls the apparatus to be controlled on the basis of peculiar data of the apparatus to be controlled comprises: a rewritable memory to store the peculiar data; an updating circuit for comparing the peculiar data read out from the apparatus to be controlled and the storage data stored in the memory and for updating the data; and a data discriminating circuit for discriminating whether the peculiar data read out from the apparatus to be controlled is normal or abnormal and for inhibiting the storage and updating of the data to the memory when it is determined that the peculiar data is abnormal.

REFERENCES:
patent: Re33015 (1989-08-01), Nakai et al.
patent: 4881094 (1989-11-01), Terui et al.
patent: 4952962 (1990-08-01), Suzuki et al.
patent: 5053798 (1991-10-01), Ohra et al.
patent: 5172154 (1992-12-01), Katagishi et al.
patent: 5214464 (1993-05-01), Karasaki et al.
patent: 5255043 (1993-10-01), Kawasaki
patent: 5257058 (1993-10-01), Mabuchi

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