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公开(公告)号：EP1189788A1
公开(公告)日：2002-03-27
申请号：EP00944664.2
申请日：2000-06-14
IPC分类号： B60R21/01
CPC分类号： B60R21/01516 , B60R21/0155 , B60R21/01556
摘要： A system for measuring seatbelt forces is used to control deployment of vehicle airbags. The system includes a seatbelt anchor assembly having a bracket mounted to a vehicle structure adjacent to a vehicle seat. A seatbelt mechanism has a belt portion that is looped through the bracket. The seatbelt is used to secure passengers or an infant car seat to the vehicle seat. A sensor is engaged with the anchor assembly and is used to measure the magnitude of forces exerted on the seatbelt by the passenger or car seat. The sensor generates a signal representative of the seatbelt forces, which is used to control deployment of the airbag.
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公开(公告)号：EP1189788B1
公开(公告)日：2005-01-26
申请号：EP00944664.2
申请日：2000-06-14
IPC分类号： B60R21/01
CPC分类号： B60R21/01516 , B60R21/0155 , B60R21/01556
摘要： A system for measuring seatbelt forces is used to control deployment of vehicle airbags. The system includes a seatbelt anchor assembly having a bracket mounted to a vehicle structure adjacent to a vehicle seat. A seatbelt mechanism has a belt portion that is looped through the bracket. The seatbelt is used to secure passengers or an infant car seat to the vehicle seat. A sensor is engaged with the anchor assembly and is used to measure the magnitude of forces exerted on the seatbelt by the passenger or car seat. The sensor generates a signal representative of the seatbelt forces, which is used to control deployment of the airbag.
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公开(公告)号：EP1337416A2
公开(公告)日：2003-08-27
申请号：EP01987400.7
申请日：2001-10-30
发明人： CURTIS, Brian, M. , BAKER, Michael
IPC分类号： B60N2/00
CPC分类号： B60R21/01516 , B60N2/002 , B60R21/0152
摘要： Weight sensor assemblies for measuring weight on a vehicle seat are mounted at the connecting points between a seat bottom frame and a seat mounting member. The weight sensor assemblies (32) each include a beam member (34) having a bendable center body portion for supporting a strain gage. The strain gage and associated traces are screen printed on the surface of the beam. The beam acts similar to a dual constrained cantilever beam, concentrating the bending at a reduced neck section that narrows in the middle of the center body portion. The strain gage (50) measures strain resulting from bending in the center body portion caused by a weight force being applied against the seat.
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公开(公告)号：EP1280683A2
公开(公告)日：2003-02-05
申请号：EP01933223.8
申请日：2001-05-09
IPC分类号： B60R22/18
CPC分类号： B60R21/33 , B60R21/01516 , B60R21/0155 , B60R21/01556 , B60R22/16 , B60R22/18 , B60R2022/1806 , G01L5/103
摘要： A system for measuring seat belt forces is used to control deployment of vehicle airbags. The system includes a rigid plate member having one end attached to a portion of the seat belt and an opposite end mounted to a vehicle structure. The seat belt is used to secure passengers or an infant car seat to the vehicle seat. A sensor including a strain gage is mounted on the rigid plate between the ends and is used to measure the magnitude of forces exerted on the seat belt by the passenger or car seat. The strain gage generates a signal representative of the tension in the seat belt, which is used to control deployment of the airbag. The airbag is not deployed if the tension in the seat belt exceeds a predetermined limit.
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公开(公告)号：EP1189787A1
公开(公告)日：2002-03-27
申请号：EP00941652.0
申请日：2000-06-22
发明人： CURTIS, Brian, M.
IPC分类号： B60R21/01 , G01G19/414
CPC分类号： B60R21/01516 , B60R21/0152 , G01G19/4142
摘要： A system for measuring the weight of a seat occupant is used to control airbag deployment. The system includes a plurality of weight sensors that have a first end mounted to a seat riser and a second end mounted to a seat frame or track member. The weight sensors have a central bendable portion that extends between the first and second ends. A groove is formed in one of the external surfaces of the central bendable portion to localise strain. A full bridge strain gage assembly is mounted on a surface of each of the weight sensors, opposite from the groove, for generating a weight signal in response to measuring deflection of the central bendable portion. A central processor determines seat occupant weight based on the weight signals and an airbag control module communicates with the processor. The control module controls deployment force of the airbag based on seat occupant weight.
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