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:
Apr. 03, 2007
Filed:
Jun. 15, 2000
Applicants:
Donald C. D. Chang, Thousand Oaks, CA (US);
Weizheng Wang, Rancho Palos Verdes, CA (US);
Wah Lim, Santa Ana, CA (US);
Ying Feria, Manhattan Beach, CA (US);
Ming U. Chang, Rancho Palos Verdes, CA (US);
Inventors:
Donald C. D. Chang, Thousand Oaks, CA (US);
Weizheng Wang, Rancho Palos Verdes, CA (US);
Wah Lim, Santa Ana, CA (US);
Ying Feria, Manhattan Beach, CA (US);
Ming U. Chang, Rancho Palos Verdes, CA (US);
Assignee:
The DirecTV Group, Inc., El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/185 (2006.01);
U.S. Cl.
CPC ...
Abstract
A communications system () and method of operating the communications system includes a first stratospheric platform generating a second beam having a frequency the same as a satellite beam to the same service area. User terminals are configured to receive the first beam or the second beam.