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. 22, 2024
Filed:
Dec. 09, 2022
Balluff Gmbh, Neuhausen a.d.F., DE;
Debraj Kar, Stuttgart, DE;
Matthias Hofherr, Karlsruhe, DE;
Fabian Hauser, Plochingen, DE;
Daniel Schweizer, Filderstadt, DE;
Christoph Bauch, Stuttgart, DE;
Marc Lechler, Simmozheim, DE;
Thomas Graf, Blaubeuren, DE;
BALLUFF GMBH, Neuhausen ADF, DE;
Abstract
An RFID antenna device () for emitting and/or receiving circularly polarised electromagnetic radiation, comprising a radiator unit () which has a radiator network () with multiple at least partially curved radiator portions () and an auxiliary antenna () which is galvanically isolated from the radiator network () and is inductively or capacitively coupled to the radiator network (), a supply network unit () having a power division portion () with a device port and having at least one delay portion () which is electrically conductively connected to the power division portion () and is electrically conductively connected to the radiator portions (), wherein the auxiliary antenna () is centrally located between the radiator portions (). Further, an RFID sensor device comprising such an RFID antenna device ().