Positioning apparatus and positioning apparatus control method

Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite

Reexamination Certificate

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Details

C342S357740, C342S357760, C342S357770

Reexamination Certificate

active

07903026

ABSTRACT:
The positioning apparatus and position apparatus control method are able to efficiently receive useful signals without special circuitry. Positioning apparatus100has first signal processing section121that carries out demodulation processing on the first signal transmitted from a satellite and second signal processing section122that carries out demodulation processing on the second signal of a different frequency band and spreading scheme from the first signal, and controlling section104controls the operation for the signal of the lower electric field intensity based on operations for the signal of the higher electric field intensity between first signal processing section121and second signal processing section122, and carries out control to preferentially operate the channel for the signal of the higher electric field intensity between first signal processing section121and second signal processing section122and to preferentially stop the operation of the channels for the signal of the lower electric field intensity.

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patent: 2006-258436 (2006-09-01), None
English language Abstract of JP 2006-258436, Sep. 28, 2006.

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