Patent ID: 11954547
Assignee: AMATECH GROUP LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A radio frequency identification device (RFID) configured to interact with a reader, the RFID device comprising:
a metal body configured to interact with the reader, wherein the body includes a first opening, a first slit extending from the first opening to an outer edge of the body, a second opening, and a second slit extending from the second opening to the outer edge of the body; and
a coupling antenna comprising a first coupler coil and a second coupler coil, wherein the first coupler coil is connected with the second coupler coil, wherein at least a portion of the first coupler coil overlaps at least a portion of a first opening, wherein at least a portion of the first coupler coil overlaps at least a portion of the first slit, and wherein at least a portion of the second coupler coil overlaps at least a portion of the second opening.