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Cellular telephone unit with prioritized frequency acquisition

  • US 4,916,728 A
  • Filed: 07/25/1988
  • Issued: 04/10/1990
  • Est. Priority Date: 07/25/1988
  • Status: Expired due to Term
First Claim
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1. A cellular telephone unit with control logic circuit means including:

  • scanning means for scanning a plurality of frequencies to identify a home SID signal,means responsive to said scanning means, in the absence of a home SID signal, for alternatively scanning for any nonnegative SID,means for acquiring a carrier signal corresponding to an SID signal found by said scanning means, andmeans for activating a display indicating the availability of any SID so found.

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