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:
Jan. 27, 2015
Filed:
Apr. 01, 2011
Applicant:
Robert E. Wetmore, Manhattan Beach, CA (US);
Inventor:
Robert E. Wetmore, Manhattan Beach, CA (US);
Assignee:
Fox Digital Enterprises, Inc., Los Angeles, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01); H04B 7/06 (2006.01); H04W 56/00 (2009.01);
U.S. Cl.
CPC ...
H04B 7/0671 (2013.01); H04B 7/0673 (2013.01); H04W 56/0015 (2013.01); H04W 56/0035 (2013.01);
Abstract
A method and apparatus for synchronizing multiple transmitters is disclosed. A global time reference is used to synchronize the arrival of data from a plurality of secondary transmitters in a receiver station. In one embodiment, the global time reference is provided by a GPS satellite, and may also be used to synchronize the carriers of the signals received at the receiver station from each of the plurality of transmitters. In one embodiment, a pilot signal used for ATSC applications is added by the secondary transmitters.