Title:
車両のシート用乗員荷重センサ
Document Type and Number:
Japanese Patent JP4887260
Kind Code:
B2
Abstract:
An occupant load sensor of a seat for a vehicle includes a strain member, a connecting member, first and second strain gauge plates, an upper bracket, an amplifier substrate, and an FPC substrate. The strain gauge plates are attached to a surface of the strain member and respectively arranged between a central portion and both end portions of the strain member. Each strain gauge plate includes two strain detecting elements forming a half bridge circuit of a Wheatstone bridge circuit. The FPC substrate is connected to the amplifier substrate and to the strain gauge plates between the both end portions and the central portion of the strain member. Further, the FPC substrate includes a plurality of wiring patterns. The Wheatstone bridge circuit is formed with the plurality of wiring patterns and the half bridge circuit formed at each strain gauge plates.
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Inventors:
Tomohiko Nakano
Inayoshi Muneto
Mukuro Aoyama
Satoshi Sato
Hirofumi Otsuka
Inayoshi Muneto
Mukuro Aoyama
Satoshi Sato
Hirofumi Otsuka
Application Number:
JP2007272391A
Publication Date:
February 29, 2012
Filing Date:
October 19, 2007
Export Citation:
Assignee:
Aisin Seiki Co., Ltd.
Minebea Co., Ltd.
Minebea Co., Ltd.
International Classes:
G01G19/12; B60N2/06; B60N2/90; G01G3/14; G01G19/52
Domestic Patent References:
| JP2000180255A | ||||
| JP200698257A | ||||
| JP10176964A | ||||
| JP2005257385A | ||||
| JP2008132968A |
Attorney, Agent or Firm:
Kobayashi Osamu