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Navigation switch device

  • US 20050110805A1
  • Filed: 02/12/2003
  • Published: 05/26/2005
  • Est. Priority Date: 02/18/2002
  • Status: Active Grant
First Claim
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1. A navigation switch apparatus comprising:

  • a circuit board having four conductors in the form of a circular arc, arranged thereon with a small space between each conductor so that whole the conductors form a doughnut-like shape; and

    a cap-shaped body arranged opposite to the printed circuit board, provided with short-circuiters which are capable of making contact with the respective four conductors and formed on the inner surface of the cap-shaped body, and a navigation lever formed on the outer surface thereof, wherein each of the four conductors is formed with two opposed comb-shaped conductive layers, wherein the cap-shaped body has a thin-walled portion on its outer periphery, and wherein thick-walled portions extending in the longitudinal, lateral and diagonal directions, thus forming a substantially regular octagon as a whole, are formed in the vicinity of the thin-walled portion.

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