Camera body, interchangeable lens unit, and imaging apparatus

Details Camera body, interchangeable lens unit, and imaging apparatus Camera body, interchangeable lens unit, and imaging apparatus

2011-05-10

2011-05-10

Perkey, W. B. (Department: 2862)

Photography

Camera detail

Lens mount

Reexamination Certificate

active

07941045

ABSTRACT:
A camera body that includes a lens attaching unit to which an interchangeable lens unit including a lens-side contact is mountable and that communicates information with the interchangeable lens unit when the interchangeable lens unit is attached to the lens attaching unit, the camera body comprising: a substrate; a holding member fixed to the substrate and formed of a conductive material; a body-side contact that is electrically connected to the lens-side contact when the interchangeable lens unit is mounted to the camera body and that is held by the holding member so as to be movable between a projected position at which the body-side contact projects from the holding member and a retracted position; and a biasing unit that biases the body-side contact to the projected position, wherein the body-side contact is electrically connected to the holding member.

REFERENCES:
patent: 4653889 (1987-03-01), Haneishi
patent: 4939532 (1990-07-01), Takebayashi
patent: 4999659 (1991-03-01), Fukahori et al.
patent: 5021812 (1991-06-01), Kohno et al.
patent: 5177520 (1993-01-01), Kohno et al.
patent: 0363968 (1989-10-01), None
patent: 58-75139 (1983-05-01), None
patent: 58-223134 (1983-12-01), None
patent: 62-27338 (1987-02-01), None
patent: 2-103522 (1990-04-01), None
patent: 9-90489 (1997-04-01), None

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