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Wrist watch type GPS receiver

  • US 5,905,460 A
  • Filed: 08/25/1997
  • Issued: 05/18/1999
  • Est. Priority Date: 07/17/1997
  • Status: Expired due to Fees
First Claim
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1. A wrist watch type GPS receiver comprising:

  • a GPS receiving antenna configured to be mounted to a user'"'"'s wrist;

    antenna posture detecting means for detecting a signal receiving position of the GPS receiving antenna;

    signal receiving operation controlling means for controlling a signal receiving operation on the basis of an output of the of the antenna posture detection means;

    GPS receiving means for receiving a GPS signal by performing a signal receiving operation which is controlled on the basis of an output of the signal receiving operation controlling means;

    received GPS wave processing means controlled on the basis of the output of the signal receiving operation controlling means for processing the output signal of the GPS receiving means; and

    GPS data display means for displaying GPS data output by the received GPS wave processing means;

    wherein the signal receiving operation controlling means includes means for controlling the GPS receiving means not to receive a GPS signal when the output of the antenna posture detecting means indicates that the GPS receiving antenna is not capable of receiving the GPS signal.

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