Patent ID: 9644401
Date: 2017-05-09
CPC Classifications: E05B,E05C,G07C,H01M,H02J,Y02E,Y10T

Claim:
1. An electronic lockset for use with a radio frequency (“RF”) transmitter configured to transmit at one or more predetermined frequencies, the electronic locket comprising: a locking device moveable between a locked position and an unlocked position; one or more energy consumption devices configured to actuate the locking device between the locked position and the unlocked position; at least one rechargeable battery configured to provide power to the one or more energy consumption devices; a RF energy harvesting circuit configured to be electrically coupled with the rechargeable battery, wherein the RF energy harvesting circuit is configured to convert RF energy to a direct current (“DC”) power source for recharging the rechargeable battery; wherein the RF energy harvesting circuit includes an RF receiver tunable to a plurality of predetermined frequencies; and wherein the RF receiver includes a user-selectable switch configured to tune the RF receiver to one of the plurality of predetermined frequencies by user actuation of the switch.