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GPS receiver, position-detecting system and positioning method

  • US 6,452,545 B2
  • Filed: 01/25/2001
  • Issued: 09/17/2002
  • Est. Priority Date: 06/16/1999
  • Status: Expired due to Fees
First Claim
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1. A GPS receiver comprising:

  • storage means for storing an almanac included in GPS data received from a satellite currently being seized;

    seizing means for searching said almanac stored in said storage means for other seizable satellites in addition to the satellite currently being seized and proceeding to seize said other satellites;

    positioning means for determining a current position based on the GPS data received from a plurality of satellites currently being seized by said seizing means; and

    seized-object management means for requesting said seizing means to cancel all currently seized satellites and to resume attempts to seize satellites by referring to the almanac stored in said storage means, when said positioning means fails to complete a positioning process of the current position determination within a predetermined period of time.

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