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Patent Searching and Data


Title:
INTERCHANGEALBE LENS UNIT AND DIGITAL CAMERA
Document Type and Number:
Japanese Patent JP2011145322
Kind Code:
A
Abstract:

To provide an interchangeable lens unit configured such that while the cushioning property of an electronic circuit board for lens control is ensured, a ground pattern on the substrate is electrically connected to a metal lid.

The interchangeable lens unit includes the electronic circuit substrate for the lens, which performs various signal processes for a lens barrel; the metal lid attached to the lens barrel so as to cover the lens electronic circuit substrate; cushioning materials disposed between the lens barrel and lens electronic circuit substrate, and between the lens electronic circuit substrate and metal lid; a first conductive connecting member, part of which is connected to a ground pattern of the lens electronic circuit substrate, and the other part of which enters a recess formed in the lens barrel; a second conductive connecting member, part of which is disposed in a recess and the other part of which is electrically connected to the metal lid; and an elastic member, disposed in the recess, for bringing the first and second conductive connection members into contact with each other by pressing them.


Inventors:
Tobinaga, Masato
Fusayasu, Koji
Kumoi, Masafumi
Fujino, Shinkuro
Application Number:
JP2010000003743
Publication Date:
July 28, 2011
Filing Date:
January 12, 2010
Export Citation:
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Assignee:
PANASONIC CORP
International Classes:
G02B7/02
Attorney, Agent or Firm:
内藤 浩樹
永野 大介
藤井 兼太郎