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Input device

  • US 7,019,765 B2
  • Filed: 11/20/2002
  • Issued: 03/28/2006
  • Est. Priority Date: 11/22/2001
  • Status: Expired due to Fees
First Claim
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1. An input device comprising:

  • at least one primary electrode; and

    a plurality of secondary electrodes formed in the same plane as the primary electrode; and

    a first insulating layer on the primary electrode and the secondary electrode,wherein a position of an electric conductor contacted on a surface of the insulating layer is detected based on a respective electrostatic capacity between the primary electrode and respective secondary electrodes via the electric conductor, andwherein the respective electrostatic capacity changes based on the position of the electric conductor.

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