Patent ID: 9424701
Filing Date: 2016-08-23
CPC Classification: E05B,G07C,Y10T

Claim Text:
1. An electronic key comprising: a power source; a processor in communication with the power source; a data transmission device comprising an annular structure, the data transmission device configured to communicate data from the processor to a data receiving device in the lock when the data transmission device is in electromagnetic communication with the data receiving device during engaging of the key with the lock, despite the data transmission device not being in electrical contact with the data receiving device during said engaging of the key with the lock; and a first power coil having an axis positioned within an opening defined by the annular structure of the data transmission device, the first power coil configured to transfer power from the power source to a second power coil in the lock responsive to the key engaging with the lock, the first power coil and the second power coil having different sizes, enabling one of the first power coil or the second power coil to physically fit concentrically within the other of the first power coil or the second power coil when the electronic key is engaged with the lock.