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SWITCHING DEVICE FOR THE TOP-END OF AN AUTOMOBILE VEHICLE STEERING COLUMN

  • US 20130169040A1
  • Filed: 03/11/2011
  • Published: 07/04/2013
  • Est. Priority Date: 03/16/2010
  • Status: Active Grant
First Claim
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1. A switching device for the top-end of an automobile vehicle column comprising:

  • a microcontroller;

    at least two separate switching functional blocks, each block being connected to two signal inputs and two signal outputs of the microcontroller, one signal output or one signal input of which is only connected to a single functional block; and

    four switches, each switch being connected to a signal input/output pair of the microcontroller separate from that of the other three of the same block, whereinat least two separate switching functional blocks only share either one output or one signal input the microcontroller, andthe microcontroller is configured for deducing, from a signal sent by at least one signal output having transited via at least one switching functional block and received at at least one signal input, the switching state of at least one switch of a switching functional block.

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