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Mobile terminal interface

  • US 6,615,059 B1
  • Filed: 01/20/2000
  • Issued: 09/02/2003
  • Est. Priority Date: 01/27/1999
  • Status: Expired due to Term
First Claim
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1. An interface between a mobile terminal and an accessory equipment comprising:

  • a sensory device connected to an output port of said mobile terminal for monitoring a logic level of said output port; and

    means for switching an input port of said interface from a digital configuration to an analog configuration in response to said monitored logic level remaining at a substantially constant value for a predetermined time threshold.

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