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:
Oct. 23, 2007
Filed:
Oct. 15, 2002
Applicants:
Gary C. Dalton, Snellville, GA (US);
Albertus M. G. Claessen, Oakwood, GA (US);
Jeffrey E. Scheb, Roswell, GA (US);
Sik Piu Kwan, Suwanee, GA (US);
Inventors:
Gary C. Dalton, Snellville, GA (US);
Albertus M. G. Claessen, Oakwood, GA (US);
Jeffrey E. Scheb, Roswell, GA (US);
Sik Piu Kwan, Suwanee, GA (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electronic shelf label with a modulated backscatter communication system which can actively transmit signals. The electronic shelf label includes a modulated backscatter receiver for receiving a first modulated radio frequency (RF) carrier signal, and a transmitter powered by the first modulated RF carrier signal for transmitting a second modulated RF carrier signal.