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Title:
COMPOSITE SENSOR
Document Type and Number:
WIPO Patent Application WO/2011/158348
Kind Code:
A1
Abstract:
A composite sensor comprises: a first unit including first and second vibrators arranged symmetrically relative to each other and capable of being displaced in the direction of drive and the direction of detection; a second unit including third and fourth vibrators arranged symmetrically relative to each other and capable of being displaced in the directions same as the direction of drive and the direction of detection; a drive section for driving the first, second, third, and fourth vibrators so that the first and second vibrators vibrate in the opposite phases, the third and fourth vibrators vibrate in the opposite phases, and the first unit and the second unit vibrate in the opposite phases; and a detection section for detecting the displacements of the first, second, third, and fourth vibrators in the direction of detection.

Inventors:
NARITA, Katsutoshi (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
成田 勝俊 (〒71 愛知県豊田市トヨタ町1番地 トヨタ自動車株式会社内 Aichi, 〒4718571, JP)
Application Number:
JP2010/060227
Publication Date:
December 22, 2011
Filing Date:
June 16, 2010
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 〒4718571, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町1番地 Aichi, 〒4718571, JP)
NARITA, Katsutoshi (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
International Classes:
G01C19/574; G01P15/125; G01P15/14; G01P15/18
Foreign References:
JP2008537114A2008-09-11
JP2001515201A2001-09-18
JPH0868637A1996-03-12
JPH10511775A1998-11-10
Other References:
See also references of EP 2584312A4
None
Attorney, Agent or Firm:
ITOH, Tadahiko (32nd Floor, Yebisu Garden Place Tower 20-3, Ebisu 4-Chome, Shibuya-K, Tokyo 32, 〒1506032, JP)
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Claims: