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Multidirectional control switch and multidirectional input device using the same

  • US 6,841,743 B2
  • Filed: 08/19/2003
  • Issued: 01/11/2005
  • Est. Priority Date: 09/09/2002
  • Status: Expired due to Fees
First Claim
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1. A multi-directional control switch comprising:

  • a disc-shaped operating member;

    a ring-shaped resistive layer, with said operating member being movable relative to said resistive layer;

    a first ring-shaped conductive layer facing said resistive layer; and

    a second ring-shaped conductive layer insulated from said first conductive layer and facing said resistive layer, said second conductive layer surrounding and being concentric with said first conductive layer, wherein (i) a first switch contact is defined by said resistive layer and said first conductive layer, with said first switch contact being for outputting a first signal that continuously varies while a top surface of said operating member undergoes a sliding press along a locus in arc form, and (ii) a second switch contact is defined by said resistive layer and said second conductive layer, with said second switch contact being for outputting a second signal while the top surface of said operating member is pressed by a first force.

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