Control member with electronic evaluation of the haptic feedback
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United States of America Patent
Stats
-
Jul 16, 2019
Grant Date -
May 18, 2017
app pub date -
Nov 10, 2016
filing date -
Nov 13, 2015
priority date (Note) -
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Abstract
An assembly consisting of a control member which comprises a carrier, an operating part movably supported on the carrier, an electromagnetic actuator comprising an armature and a coil for driving the operating part movingly relative to the carrier is provided. The assembly further comprises an electronic control system connected in an electrically conductive manner with the electromagnetic actuator for applying a control voltage to the electromagnetic actuator for a predetermined control period in a control step in order to generate a haptic feedback; a measuring circuit connected in an electrically conductive manner to the electromagnetic actuator for measuring a current present at the electromagnetic actor and for generating a measuring signal proportional thereto; and an evaluation unit connected in an electrically conductive manner at least to the measuring circuit and designed, in a measuring step offset in time relative to the control step, to apply a measuring voltage to the electromagnetic actuator by the electronic control system for a predetermined test period shorter than the control period, in order to measure by the measuring circuit the current which arises at the electromagnetic actuator as the test period elapses due to the application of the measuring voltage and to generate a measuring signal proportional thereto, and in order to obtain a characteristic value of the actuator based on the measuring signal.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- PREH GMBH
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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bodenstein, Tobias | Salz, DE | 9 | 11 |
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