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Track ball mechanism and switch arrangement

  • US 5,638,061 A
  • Filed: 06/07/1995
  • Issued: 06/10/1997
  • Est. Priority Date: 12/01/1994
  • Status: Expired due to Fees
First Claim
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1. A track ball controller comprising:

  • a printed circuit board;

    a track ball mechanism mounted on said printed circuit board;

    electrical connections on said printed circuit board connected to said track ball mechanism anda switch operable by deflection of said printed circuit board.

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