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.
Patent No.:
Date of Patent:
Jul. 15, 2008
Filed:
Sep. 28, 2001
Donald C. D. Chang, Thousand Oaks, CA (US);
Grant J. Beatson, Torrance, CA (US);
Wah L. Lim, Newport Beach, CA (US);
Ming U. Chang, Rancho Palos Verdes, CA (US);
Donald C. D. Chang, Thousand Oaks, CA (US);
Grant J. Beatson, Torrance, CA (US);
Wah L. Lim, Newport Beach, CA (US);
Ming U. Chang, Rancho Palos Verdes, CA (US);
The DIRECTV Group, Inc., El Segundo, CA (US);
Abstract
A communication system has a communication infrastructure including at least two devices from the group including a cell tower, a first satellite constellation and a second satellite constellation, a stratospheric platform, that are coupled to user terminals through a plurality of dynamic links. The terminal monitors and changes the multiple and dynamic links as the position of the user terminal relative to the said at least two devices.