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:
Jun. 10, 2014
Filed:
Dec. 02, 2010
Applicants:
Andreas Hennig, Muehlheim, DE;
Gerd Vom Boegel, Wuelfrath, DE;
Inventors:
Andreas Hennig, Muehlheim, DE;
Gerd Vom Boegel, Wuelfrath, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08C 19/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A passive transponder includes an antenna, an antenna oscillator circuit and a data source. The antenna oscillator circuit is configured to operate at a first resonant frequency or at a second resonant frequency, depending on reception of energy at the transponder or on a data transmission from/to the data source.