POSITIONING SYSTEM FOR GEOSTATIONARY ARTIFICIAL SATELLITE

WIPO Patent Application WO/2011/114531

A1

Ground stations (20, 21) receive an optional signal transmitted from a geostationary artificial satellite (10) and accumulate the received signal with the receiving times thereof. Correlation processing between the received signal by the ground station (20) and that by the ground station (21) is performed, thereby calculating a difference (Δt) between the receiving times of the same signal by the ground station (20) and the ground station (21). Meanwhile, a distance measurement device measures a distance (R20) between the ground station (20) and the geostationary artificial satellite (10). Then, the distance (R21) between the ground station (21) and the geostationary artificial satellite (10) is calculated on the basis of the distance (R20) obtained by the measurement and the difference (Δt) between the receiving times obtained by the correlation processing.

SATO Eiji (14-14 Akasaka 1-chome, Minato-k, Tokyo 52, 〒1070052, JP)
佐藤英治 (〒52 東京都港区赤坂一丁目１４番１４号　スカパーＪＳＡＴ株式会社内 Tokyo, 〒1070052, JP)
ICHIE Yasuhide (14-14 Akasaka 1-chome, Minato-k, Tokyo 52, 〒1070052, JP)

JP2010/054882

September 22, 2011

March 19, 2010

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SKY Perfect JSAT Corporation (14-14, Akasaka 1-chome Minato-k, Tokyo 52, 〒1070052, JP)
スカパーＪＳＡＴ株式会社 (〒52 東京都港区赤坂一丁目１４番１４号 Tokyo, 〒1070052, JP)
SATO Eiji (14-14 Akasaka 1-chome, Minato-k, Tokyo 52, 〒1070052, JP)
佐藤英治 (〒52 東京都港区赤坂一丁目１４番１４号　スカパーＪＳＡＴ株式会社内 Tokyo, 〒1070052, JP)

G01S5/12; B64G5/00

SERA Kazunobu et al. (Acropolis 21 Building 6th floor, 4-10 Higashi Nihonbashi 3-chome, Chuo-k, Tokyo 04, 〒1030004, JP)

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