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. 24, 2008
Filed:
Feb. 28, 2006
Applicants:
Anatoli Stobbe, Barsinghausen, DE;
Andreas Werner, Hannover, DE;
Holger Merk, Barsinghausen, DE;
Inventors:
Assignee:
ASTRA Gesellschaft für Asset Management mbH & Co. KG, Barsinghausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/87 (2006.01); G01S 13/84 (2006.01); G01S 13/75 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is described for locating a detection microchip that transmits a detection signal, which is received and evaluated by a reader. The current distance between the reader and the detection microchip is determined from a run-time dependent feature of the received detection signal and the propagation speed of electromagnetic waves.