Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Reexamination Certificate
2002-07-24
2004-01-27
Masih, Karen (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
C318S468000, C318S469000
Reexamination Certificate
active
06683430
ABSTRACT:
TECHNICAL FIELD
The present invention relates generally to a method for adjusting an input parameter of an adjustable bolster on a seat of a vehicle and, more particularly, to a method for adjusting the input parameter based on a relationship between the input parameter and a feedback force on the adjustable bolster.
BACKGROUND
Although appearing in more printed publications than actual vehicles, the concept of a seating system having an automatically adjustable bolster activated by a control unit is well known. U.S. Pat. No. 4,924,162, which is hereby incorporated in its entirely by this reference, discloses such seating system. The seating systems of the prior art are open-loop systems. In other words, the force of the adjustable bolsters against the skin and structure of the occupant of the seat is not sensed and is not a basis for the future control of the adjustable bolster. For this reason, occupants with skin and structure much different than the hypothetical occupant for which the seating system is optimized may experience less than or more than ideal forces from the adjustable bolster during a situation of lateral acceleration of the vehicle. For this reason, there is a need in the art of seating systems to provide an improved activation of the adjustable bolster.
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PCT Publication, WO 00/12350, Mar. 9, 2000.
Oh Pahngroc
Pavlov Kevin J.
Stachowski Stephen M.
Brinks Hofer Gilson & Lione
Masih Karen
Visteon Global Technologies Inc.
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