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Keylock switch and keylock switch system

  • US 20020027161A1
  • Filed: 01/30/2001
  • Published: 03/07/2002
  • Est. Priority Date: 09/05/2000
  • Status: Active Grant
First Claim
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1. A first keylock switch comprising:

  • first and second terminals each to be a point of making contact electrically;

    charge storing means connected between said first and second terminals, for being charged by power supplied through said first and second terminals;

    a memory for storing key data having a predetermined length; and

    read means for reading said key data stored in said memory by utilizing the power supply from said charge storing means, to output said key data through said first and second terminals.

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