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:
Mar. 29, 2011
Filed:
May. 04, 2007
John Macconnell, La Canada, CA (US);
John MacConnell, La Canada, CA (US);
Wilson Electronics, St. George, UT (US);
Abstract
A method and system for providing a watermark by amplitude modulating data onto signals being repeated from and/or to a cellular telephone handset without degrading the performance of the cellular telephone system. An exemplary cellular repeater system may include a first communication device configured to receive a cellular telephone signal from a handset. The cellular telephone signal is amplified by a variable gain amplifier configured to create an adjusted signal. The amplification factor applied by the variable gain amplifier is controlled by a message encoder configured in accordance with a predetermined encoding scheme. The adjusted signal is then transmitted to a base station by a second communication device.