Invention Grant
- Patent Title: Conversion adaptor apparatus and interchangeable lens system
- Patent Title (中): 转换适配器和互换透镜系统
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Application No.: US14021107Application Date: 2013-09-09
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Publication No.: US08757905B2Publication Date: 2014-06-24
- Inventor: Toshifumi Urakami , Shoji Kaihara
- Applicant: Canon Kabushiki Kaisha
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Carter, DeLuca, Farrell & Schmidt, LLP
- Priority: JP2009-202250 20090902
- Main IPC: G03B17/00
- IPC: G03B17/00 ; G03B11/00

Abstract:
A conversion adapter apparatus is provided that connects a camera body and an interchangeable lens. The conversion adapter apparatus includes a camera body side installation portion to receive a camera body, a lens side installation portion to receive an interchangeable lens, and a first communication contact group provided on the camera body side installation portion and connected to a communication contact group. The conversion adapter apparatus additionally includes a second communication contact group provided on the lens side installation portion and connected to the communication contact group and a conductive member that electrically connects the first communication contact group and the second communication contact group. A position of the first communication contact group around a camera optical axis and a position of the second communication contact group around the camera optical axis are different from each other.
Public/Granted literature
- US20140010528A1 CONVERSION ADAPTOR APPARATUS AND INTERCHANGEABLE LENS SYSTEM Public/Granted day:2014-01-09
Information query