The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 11, 2001

Filed:

Sep. 29, 2000
Applicant:
Inventors:

Toshihide Maeda, Sagamihara, JP;

Nobuo Hamano, Tokyo, JP;

Shigeki Nakamura, Tokyo, JP;

Tomiharu Yoshida, Hitachinaka, JP;

Masataka Owada, Hitachi, JP;

Masahiko Ikeda, Hitachi, JP;

Takashi Yabutani, Hitachinaka, JP;

Masahiro Ito, Shimizu, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64G 1/10 ;
U.S. Cl.
CPC ...
B64G 1/10 ;
Abstract

A communication system, wherein plural elliptical orbits in which an apogee is located on a specified service area are so defined that an individual right ascension of north-bound node may be established with a designated angle. A satellite is made to travel on an individual elliptical orbit and a group of satellites to be arranged on said elliptical orbits are used so that at least one of artificial satellites having a communication system may be always viewable within a pre-defined range of ascending vertical angle in a zenith direction from the service area.


Find Patent Forward Citations

Maeda, Toshihide. (2001). Artificial satellite with an orbit having a long staying time in a zenith direction, an orbit control method and a communication system therewith (U.S. Patent No. 6328264). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6328264

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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