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US 11,769,031 B2Granted
RFID device
AssigneeAsia Smart Tag Co., Ltd.
InventorLien-Feng Lin
Life of this patent
Estimating the term…
Abstract
The present invention disclosed a radio-frequency identification (RFID) device. The RFID device comprises a protective body and a RFID circuit unit located inside the protective body. The RFID circuit unit comprises a printed circuit board (PCB), a RFID chip and an antenna disposed thereon. A front surface of the PCB faces a top surface of the protective body; a rear surface of the PCB faces a bottom surface of the protective body.
Claims13
An RFID device, comprising:
- a protective body having a top surface, a bottom surface, and a cylindrical surface located between the top surface and the bottom surface;
- and
- an RFID circuit unit located inside the protective body and comprising a printed circuit board (PCB), a ferrite core, an RFID chip and an induction coil, the PCB having a front surface, a rear surface, a first side edge and an opposing second side edge, the front surface of the PCB facing the top surface of the protective body, the rear surface of the PCB facing the bottom surface of the protective body, the ferrite core being welded onto the front surface of the PCB, the induction coil being located on the ferrite core, the RFID chip being welded onto the rear surface of the PCB;
- wherein the induction coil has a first side surface and an opposing second side surface, the first side surface faces the top surface of the protective body, and the second side surface faces the front surface of the PCB.
1 more element
Dependencies are inferred from the claim text.