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Portable communication apparatus having an optical or magnetic reading device

  • US 6,882,863 B2
  • Filed: 12/22/2000
  • Issued: 04/19/2005
  • Est. Priority Date: 12/29/1999
  • Status: Expired due to Term
First Claim
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1. A portable communication apparatus comprising:

  • a microphone for generating a first analog electric signal;

    a reading device adapted to generate a second analog electric signal from an optical or a magnetic input signal;

    a switching device having a first input coupled to the microphone, a second input coupled to the reading device, and a control input for receiving a control signal for selecting whether the first or the second analog electric signal is to be forwarded to a processing device;

    wherein the processing device has an input coupled to an output of the switching device for receiving either the first or the second analog electric signal; and

    wherein the processing device is adapted to process the first and second analog electric signals through a single signal path.

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