Satellite signal receiver

Details Satellite signal receiver Satellite signal receiver

2006-06-20

2006-06-20

Vuong, Quochien B. (Department: 2684)

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

C455S427000, C455S013400, C342S357490

Reexamination Certificate

active

07065320

ABSTRACT:
A satellite signal receiver includes a satellite signal reception unit, timer, and power-on/off controlling element. The satellite signal reception unit calculates a current position of the satellite signal receiver using an electric wave from a satellite, in response to a positioning request. The timer is used to clock an elapsed time in calculating the current position of this receiver. The power-on/off controlling element controls an on/off state of power supplied to both the satellite signal reception unit and the timer on the basis of information including the positioning request, the elapsed time clocked by the timer, and a reception condition of the satellite signal reception unit. Accordingly, a period of time for supplying the power is automatically turned on/off to be shortened in cases the positioning is impossible, thus the power being saved.

REFERENCES:
patent: 5448773 (1995-09-01), McBurney et al.
patent: 5592173 (1997-01-01), Lau et al.
patent: 5703598 (1997-12-01), Emmons
patent: 6121921 (2000-09-01), Ishigaki
patent: 6686877 (2004-02-01), Ishigaki et al.
patent: 08-304526 (1996-11-01), None
patent: 10-20014 (1998-01-01), None

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