Title:
A SIGNAL HORN ACTIVATION DEVICE FOR A MOTOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2010/037462
Kind Code:
A8
Abstract:
A signal horn activation device for a motor vehicle comprises a pad (13) coupled to the steering wheel (11) to be pressed by the occupant for activating the signal horn (20), a pressure-sensitive means (15) coupled to said pad (13) to generate an electrical signal in response to pressure applied to said pad (13), and a signal processing means (18) arranged to activate the signal horn (20) in response to receiving said electrical signal from said pressure-sensitive means (15). The pressure-sensitive means (15) comprises at least one piezoelectric element (15) and said signal processing means (18) is arranged to evaluate changes of said electrical signal over time and to activate said signal horn (20) depending on the result of said evaluation.
Inventors:
AICHEM PETER (DE)
MACKENSEN JUERGEN (DE)
MACKENSEN JUERGEN (DE)
Application Number:
PCT/EP2009/006466
Publication Date:
May 27, 2010
Filing Date:
September 07, 2009
Export Citation:
Assignee:
AUTOLIV DEV (SE)
AICHEM PETER (DE)
MACKENSEN JUERGEN (DE)
AICHEM PETER (DE)
MACKENSEN JUERGEN (DE)
International Classes:
B60Q5/00
Attorney, Agent or Firm:
VERWEYEN, Andreas (Friesenweg 1, Hamburg, DE)
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