Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshifumi Urakami0
Shoji Kaihara0
Date of Patent
July 12, 2011
0Patent Application Number
121292600
Date Filed
May 29, 2008
0Patent Primary Examiner
Patent abstract
An optical apparatus includes a rectangular optical member provided on an optical axis, a supporting member configured to support the optical member, and a rectangular vibrating device stuck to the optical member close to and in parallel with one of four sides of the optical member and configured to vibrate the optical member in a wave fashion having a predetermined wavelength to have a plurality of nodes parallel with the one side. A support position at which the optical member is supported by the supporting member at a side opposite the one side of the optical member is located inward from the opposite side by ¼ the predetermined wavelength.
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