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. 06, 2021
Filed:
Nov. 22, 2018
Method for supplying energy wirelessly through radio frequency identification, rfid, and rfid system
Ams Ag, Premstaetten, AT;
Giuliano Manzi, Premstaetten, AT;
AMS AG, Premstaetten, AT;
Abstract
In an embodiment a method for supplying energy wirelessly through RFID comprises the steps of sending by an RFID reader device a request message to at least one RFID tag device, receiving by the at least one RFID tag device the request message, sending by the at least one RFID tag device an answer message to the RFID reader device and changing by the at least one RFID tag device its state into a high power mode, receiving by the RFID reader device the answer message, sending by the RFID reader device an energizing signal having an unmodulated constant wave at a predefined frequency during an adjustable amount of time, receiving by the at least one RFID tag device the energizing signal, converting said signal into energy and using the energy by the at least one RFID tag device, and changing by the at least one RFID tag device its state into an RFID operation mode at the end of the adjustable amount of time.