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Information system with detachable information module

  • US 8,472,932 B2
  • Filed: 12/16/2011
  • Issued: 06/25/2013
  • Est. Priority Date: 05/15/2001
  • Status: Expired due to Term
First Claim
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1. An apparatus comprising:

  • a handheld portable telephone including a keypad for entering data and a display for displaying data; and

    a base telephone configured to be coupled with and communicate through a telephone line and including a keypad for dialing a telephone number and a display for displaying information;

    the portable and the base telephones being configured to have a mounted configuration in which the portable telephone is removably mounted on the base telephone and covers the base telephone'"'"'s display, and the telephones communicate with each other for the portable telephone'"'"'s display to display information relating to operation of the base telephone.

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