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Complementary functional PDA system and apparatus

  • US 6,538,880 B1
  • Filed: 11/08/2000
  • Issued: 03/25/2003
  • Est. Priority Date: 11/09/1999
  • Status: Expired due to Fees
First Claim
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1. A portable computer capable of receiving input from and displaying output to a user, said portable computer being operable either under a condition housed inside of another computer or by itself, said portable computer being capable of adding functions to said other computer, a part of a display of said portable computer being visible from outside when said portable computer is housed inside of said other computer.

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