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:
May. 22, 2012
Filed:
Feb. 24, 2010
Hiroshi Higuchi, Kariya, JP;
Hiroshi Higuchi, Kariya, JP;
Denso Corporation, Kariya, JP;
Abstract
A collision detection device for a vehicle includes an air chamber space, a pressure sensor and a collision determination portion. The air chamber space is arranged in the vehicle, and a pressure therein is changed in accordance with a collision with the vehicle. The pressure sensor detects a pressure change in the air chamber space. The collision determination portion determines the collision with the vehicle. An output value of the pressure sensor is integrated by time to calculate an integration value, and the collision with the vehicle is determined based on a threshold value set with respect to the integration value, and the output value of the pressure sensor. Therefore, when the collision with the vehicle occurs, whether an occupant protection device should be activated can be determined promptly.