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Displacement information deriving device, occupant restraint system, vehicle, and displacement information deriving method

A technology of deriving device and occupant restraint, applied in the field of displacement-related information, which can solve the problems of higher requirements and higher variation

Inactive Publication Date: 2008-02-06
TAKATA CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in a structure that uses an occupant restraint system such as an airbag to restrain the vehicle occupant in the event of a vehicle accident, there is a high demand for improved occupant restraint performance. Therefore, in order to detect the occurrence of a vehicle collision quickly and reliably, it is necessary to construct a system that can effectively improve the detection characteristics. Higher requirements for sensors

Method used

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  • Displacement information deriving device, occupant restraint system, vehicle, and displacement information deriving method
  • Displacement information deriving device, occupant restraint system, vehicle, and displacement information deriving method
  • Displacement information deriving device, occupant restraint system, vehicle, and displacement information deriving method

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[0108] In addition, the present invention is not limited to the above-described embodiments, and various applications and modifications are possible. For example, each of the following embodiments to which the above-described embodiments are applied can also be implemented.

[0109] In the above-mentioned embodiment, the case where the metal plates 139 and 140 to be detected by the coil sensor 131 are provided is described, but in the present invention, the detection target object having a flat extending surface may be constituted by using the existing vehicle component itself. . For example, a structure may be employed in which the inner peripheral surface 12a of the door outer panel 12 or a part of the door bumper 19 is flattened.

[0110] In addition, in the above-mentioned embodiment, the object to be detected by the coil sensor 131 has been described as having a flat surface extending against the sensor surface of the coil sensor 131; The extended surface extending rela...

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Abstract

A collision detecting device which is installed in a vehicle comprises a metallic object to be detected having an extending surface which can be displaced toward a coil sensor according a vehicle collision and is arranged to face the sensor surface of the coil sensor.

Description

technical field [0001] The present invention relates to a technique for deriving information on displacement of vehicle constituent parts. Background technique [0002] Conventionally, various vehicle collision sensors are known that detect the occurrence of a collision when a vehicle accident occurs. For example, the following Patent Document 1 discloses a structure in which when a side collision occurs to a vehicle, if the side door of the vehicle receives an impact exceeding a certain value, the insulation state of the two conductors is released to conduct with each other, thereby serving as an electric current. The signal detects the occurrence of a side collision of the vehicle. [0003] Patent Document 1: Japanese Unexamined Patent Publication No. 5-45372 [0004] However, in a structure that uses an occupant restraint system such as an airbag to restrain the vehicle occupant in the event of a vehicle accident, there is a high demand for improved occupant restraint p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/24G01M17/007B60R21/0136
CPCB60R21/0136
Inventor 青木洋大井和也
Owner TAKATA CORPORATION