Position measurement apparatus that detects location by receiving external signals
First Claim
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1. A portable position measurement apparatus that can be worn by a user, said apparatus comprising:
- a position measurement unit that receives position measurement information transmitted from satellites, and that measures a present location based on the received information;
a detection unit that detects whether or not the user is wearing the apparatus; and
a control unit that ends measurement of the present location by said position measurement unit when said detection unit detects that the user is not wearing the apparatus.
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Abstract
A position measurement apparatus comprises at receiving unit, control unit, and detection unit that detect the motion of device, the position of device, or wearing situation of device, and the timing of receiving information by the receiving unit is controlled by the control unit in accordance with the detection results by the detection unit.
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Citations
7 Claims
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1. A portable position measurement apparatus that can be worn by a user, said apparatus comprising:
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a position measurement unit that receives position measurement information transmitted from satellites, and that measures a present location based on the received information;
a detection unit that detects whether or not the user is wearing the apparatus; and
a control unit that ends measurement of the present location by said position measurement unit when said detection unit detects that the user is not wearing the apparatus. - View Dependent Claims (2, 3)
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4. A portable position measurement apparatus that can be worn by a user, said apparatus comprising:
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a position measurement unit that receives position measurement information transmitted from satellites, and that measures a present location based on the received information;
a detection unit that detects whether or not the user is wearing the apparatus; and
a control unit that starts measurement of the present location by said position measurement unit when said detection unit detects that the user is wearing the apparatus. - View Dependent Claims (5, 6, 7)
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Specification