Camera body, interchangeable lens, and camera system

Details Camera body, interchangeable lens, and camera system Camera body, interchangeable lens, and camera system

2006-01-19

2008-12-23

Perkey, W. B. (Department: 2862)

Photography

Camera detail

Lens mount

Reexamination Certificate

active

07467900

ABSTRACT:
At least one exemplary embodiment is directed to an interchangeable lens that can be connected to a new type camera and also to an old type camera, for example by requesting a release lock or not requesting a release lock, can be provided with a camera determination unit and a failure determination unit. Further, a camera body can be provided with an interchangeable lens determination unit, which can be set by a user so that an information request is ignored if an old type lens transmits a request for the release lock, where in the case of a new type lens, the camera body can perform a failure information communication with the lens, and an operation of the camera can be changed in accordance with the failure.

REFERENCES:
patent: 5481326 (1996-01-01), Yasukawa
patent: 5687399 (1997-11-01), Kai et al.
patent: 5822632 (1998-10-01), Miyazawa et al.
patent: 6845218 (2005-01-01), Miyasaka et al.
patent: 2002/0012539 (2002-01-01), Sato et al.
patent: 2005/0099509 (2005-05-01), Kobayashi
patent: 11-084445 (1999-03-01), None

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