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, 2012
Filed:
Aug. 15, 2007
Applicants:
Ian Winter, Swinoon, GB;
Alastair Lefley, Kemble, GB;
Robin Wilson, Cirencester, GB;
Inventors:
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
H04B 5/00 (2006.01); H04B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A near field RF communicator has: an antenna operable to generate an RF signal to enable inductive coupling via the magnetic field of the RF signal between the antenna and another near field RF communicator or RF transponder in near field range; and a signal generator operable to generate a multi-level digital sine wave drive signal to drive the antenna to generate the RF signal, wherein the signal generator comprises a selector operable to select one or more digital sequences to provide one or more digital signals from which the digital sine wave drive signal is generated.
Published as:
GB0616331D0; GB0715941D0; GB2441051A; WO2008020198A1; GB2441051B; GB2441051B8; EP2052463A1; US2010167644A1; US8150321B2; EP2052463B1; EP2052463B8;