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Display device and casing for containing the display device

  • US 6,628,257 B1
  • Filed: 06/06/2000
  • Issued: 09/30/2003
  • Est. Priority Date: 08/27/1999
  • Status: Expired due to Fees
First Claim
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1. A display device detachably attached to a control unit that supplies information to be displayed and an electric power, the device comprising:

  • information display means, with a memory display property, for continuously displaying information when attached to and detached from said control unit;

    an input portion that receives, from the control unit, the information to be displayed on the information display means and the electric power; and

    input protection means provided in the input portion, wherein the information display of the information display means remains uninterrupted during a disruption of the electric power and the information to be displayed at the input portion.

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