The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2014
Filed:
Oct. 26, 2009
Hiroshi Aoki, Tokyo, JP;
Kazuya Oi, Tokyo, JP;
Hiroshi Aoki, Tokyo, JP;
Kazuya Oi, Tokyo, JP;
Takata Corporation, Tokyo, JP;
Abstract
A vehicular collision detection apparatus mounted to a vehicle comprises: a door beam that is arranged in a partitioned region partitioned between a door outer panel of a vehicle door, and a door inner panel of the vehicle door, and is displaced in accordance with a deformation of the door outer panel at the time of a vehicular collision; a cylindrical member that is arranged in the partitioned region and is compressed by the door beam at the time of the displacement of the door beam; a sealed cavity provided to the cylindrical member; a pressure sensor configured to detect a pressure fluctuation of the cavity; a deriving portion configured to derive a displacement amount and displacement velocity of the door beam, based on the pressure fluctuation detected by the pressure sensor; and a determining portion configured to determine collision particulars of the vehicle based on the displacement amount and displacement velocity of the door beam derived by the deriving portion.