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Portable computer having a port connector for communicating with a variety of optional extension modules

  • US 5,774,741 A
  • Filed: 12/30/1996
  • Issued: 06/30/1998
  • Est. Priority Date: 12/30/1995
  • Status: Expired due to Term
First Claim
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1. An apparatus for supporting a variety of optional extension modules for a portable computer, comprising:

  • a port connector provided in the portable computer, for connecting any of the optional extension modules to the portable computer; and

    means provided in the portable computer, for receiving a control signal from the connected module through the port connector and enabling the portable computer to communicate with the connected module in response to the control signal with the control signal being received through a different pin in the port connector for each of the optional extension modules.

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