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Control unit and system utilizing the control unit

  • US 7,314,413 B2
  • Filed: 09/11/2003
  • Issued: 01/01/2008
  • Est. Priority Date: 04/24/1997
  • Status: Expired due to Fees
First Claim
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1. A control unit for communicating with a main unit, comprising a grip supportable by a palm of an operator, an operation button formed on part of said grip, a circuit for transmitting a signal generated in response to an operation of the operation button to the main unit, and a vibration motor located inside the grip, said vibration motor having a casing that consists of a flattened cylindrical upper element and a disk-shaped button plate.

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