Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-09-06
2005-09-06
Trinh, Sonny (Department: 2687)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S456500, C455S456600
Reexamination Certificate
active
06941145
ABSTRACT:
A radio communication terminal is used in a position specifying system, in which both retrieval timing and retrieval time of each of GPS satellites are received via a communication base station from a position information server. The position information server specifies a position of the radio communication terminal based upon at least GPS satellite information received from the radio communication terminal. The radio communication terminal corrects at least any one of both retrieval timing and retrieval time so that the retrieval timing is moved, or the retrieval time is prolonged. The radio communication terminal retrieves the GPS satellites based upon the corrected retrieval timing and the corrected retrieval time.
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patent: WO 00/36431 (2000-06-01), None
Ogino Hiroyasu
Shamoto Michio
Takeuchi Toshihiro
Cho Un C
Denso Corporation
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