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:
Jan. 15, 2008
Filed:
Sep. 13, 2004
Elisabeth Crochon, Poisat, FR;
Yann Têtu, Grenoble, FR;
Jacques Reverdy, Crolles, FR;
Commissariat a l'Energie Atomique, Paris, FR;
Abstract
Each device () comprises a processing circuit connected to a first antenna (), designed to be coupled to an external antenna (), and a second antenna () designed to be coupled to an antenna () of a higher-ranking device (). The system comprises a reading unit and devices () having a predetermined ranking. The first antenna () of the rank one device () is coupled to an antenna () of the reading unit. Addressing by the reading unit of a device () ranking higher than one is performed by means of the associated lower-ranking devices (). A device () of predetermined ranking is associated with a sub-set () of higher-ranking devices () so as to form a hierarchical tree structure.