Title:
振動検出装置
Document Type and Number:
Japanese Patent JP4264667
Kind Code:
B2
Abstract:
A vibration detection device that includes a light source that emits a laser beam; an interferometer, which includes two vibrating bodies that are capable of reflecting the laser beam, that splits the laser beam to cause interference patterns; and a detector that detects vibrations on the basis of the interference patterns.
Inventors:
Teruji Hirata
Kazutoshi Nomoto
Kazutoshi Nomoto
Application Number:
JP2007036410A
Publication Date:
May 20, 2009
Filing Date:
February 16, 2007
Export Citation:
Assignee:
ソニー株式会社
International Classes:
G01H9/00; H04R23/00
Domestic Patent References:
| JP63243819A | ||||
| JP1231500A | ||||
| JP3197827A | ||||
| JP10308998A | ||||
| JP4218730A | ||||
| JP2003322552A |
Attorney, Agent or Firm:
Yoichiro Fujishima
Yasushi Santanzaki
Yasushi Santanzaki