Portable-device position determination system, portable-device position determination method, and portable-device position determination apparatus
A technology for judging systems and judging devices, which is applied in measuring devices, radio wave measuring systems, services based on location information, etc., can solve problems such as portable machines being locked in cars, and achieve the effect of improving the accuracy of location judgments
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[0036] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In each figure, the same code|symbol is attached|subjected to the same part or a corresponding part.
[0037] First, refer to figure 1 and figure 2 , the configuration of the portable device position determination system 100 according to the present embodiment will be described.
[0038] figure 1 It is a figure showing the structure of the position determination system 100 of a portable device. This position determination system 100 is composed of a portable device 20 held by the user and a vehicle 200 ( figure 2 ) constitutes a vehicle-mounted machine 10. The portable machine 20 is made of, for example, a FOB key. The in-vehicle device 10 performs wireless communication with the portable device 20 to determine the position of the portable device 20 relative to the vehicle 200 . The in-vehicle device 10 is an example of the "portable device position determinati...
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