US 11,996,623 B2
UWB antenna solutions for increased accuracy for intent detection in access control systems
Joseph Land, Danville, IN (US); Ryan C. Kincaid, Indianapolis, IN (US); David Brown, Greenwood, IN (US); and Molly Dixon, Carmel, IN (US)
Assigned to Schlage Lock Company LLC, Carmel, IN (US)
Filed by Schlage Lock Company LLC, Carmel, IN (US)
Filed on Dec. 31, 2021, as Appl. No. 17/566,974.
Prior Publication US 2023/0216216 A1, Jul. 6, 2023
Int. Cl. H01Q 21/28 (2006.01); G07C 9/00 (2020.01); H01Q 1/36 (2006.01); H01Q 3/24 (2006.01)
CPC H01Q 21/28 (2013.01) [G07C 9/00944 (2013.01); H01Q 1/36 (2013.01); H01Q 3/24 (2013.01); G07C 2009/0096 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic lock configured to be secured to a door having a secure side and an unsecure side, the electronic lock comprising:
an exterior escutcheon on the unsecure side of the door;
an interior escutcheon on the secure side of the door;
a printed circuit board assembly (PCBA) positioned within the exterior escutcheon; and
a plurality of ultra wideband (UWB) antennas secured to an exterior-facing side of the PCBA, wherein the plurality of UWB antennas comprises a first UWB antenna and a second UWB antenna configured to operate on a first UWB channel, and wherein the second UWB antenna is positioned no greater than one half of a wavelength of the first UWB channel from the first UWB antenna along a first axis.