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WIRELESS SENSOR INTERFACE FOR A STEERING WHEEL

  • US 20190308570A1
  • Filed: 04/04/2019
  • Published: 10/10/2019
  • Est. Priority Date: 04/09/2018
  • Status: Active Application
First Claim
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1. A wireless sensor interface for a steering wheel with steering wheel components comprising:

  • on a transmitter sidea wireless transmitter coil of a transmitter integrated circuit on a stationary printed circuit board; and

    on a receiver sidea wireless receiver coil of a receiver integrated circuit on a movable, rotating receiver printed circuit board,wherein the transmitter and receiver coils are mounted close to each other and concentric to a rotation axis of a steering column of the steering wheel, whereas an inductive coupling between the transmitter and receiver coils are used for wireless powering the steering wheel components and transmitting data of the steering wheel components back to the transmitter integrated circuit by means of modulating the received energy.

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