Interchangeable lens, camera body, and electronic device

Patent metadata

Field	Value
Publication number	US-8995069-B2
Application number	US-201313940768-A
Country	US
Kind code	B2
Filing date	Jul 12, 2013
Priority date	Sep 9, 2010
Publication date	Mar 31, 2015
Grant date	Mar 31, 2015

Abstract

An interchangeable lens to be detachably attached to a camera body, that includes a holding unit at which a plurality of contacts is arranged, the interchangeable lens includes: a first communication contact system arranged at the holding unit; and a second communication contact system different from the first communication contact system, arranged at the holding unit at a position different from a position at which the first communication contact system is arranged. The fourth contact is arranged at a position closer to the second communication contact system than the first contact, the second contact, and the third contact are, and the seventh contact and the eighth contact are arranged at positions closer to the first communication contact system than the fifth contact and the sixth contact are.

First claim

What is claimed is:

1. An interchangeable lens configured to be detachably attached to a camera body, that includes a holding unit at which a plurality of contacts is arranged, the interchangeable lens comprising:
a first contact group that includes a plurality of contacts, arranged at the holding unit, through which a data communication is configured to be performed with the camera body in a first period;
a second contact group that includes a plurality of contacts, arranged at…

Assignees

• Nikon Corp

Inventors

• Imafuji Kazuharu
• Oikawa Masafumi

Classifications

• G02B7/14

  Physics · mapped topic

• G03B17/14 Primary

  Physics · mapped topic

• G03B17/565 Primary

  Physics · mapped topic

• H04N23/663

  Electricity · mapped topic

• H04N5/23209

  Electricity · mapped topic