US 11,959,308 B2
Magnetic sensor for lock position
Shannon Petty, San Francisco, CA (US); and Aaron Treger, Pinole, CA (US)
Assigned to ASSA ABLOY Residential Group, Inc., New Haven, CT (US)
Filed by ASSA ABLOY Residential Group, Inc., New Haven, CT (US)
Filed on Sep. 14, 2021, as Appl. No. 17/475,029.
Claims priority of provisional application 63/079,864, filed on Sep. 17, 2020.
Prior Publication US 2022/0081936 A1, Mar. 17, 2022
Int. Cl. E05B 47/00 (2006.01); G01D 5/14 (2006.01)
CPC E05B 47/0012 (2013.01) [G01D 5/145 (2013.01); E05B 2047/0017 (2013.01); E05B 2047/002 (2013.01); E05B 2047/0069 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A door lock comprising:
a driveshaft operatively couplable to a bolt;
a transmission coupled to the driveshaft, wherein the transmission includes at least one gear configured to rotate with the driveshaft; and
a magnetic encoder coupled to the transmission and configured to output at least one value indicative of a position of the at least one gear;
wherein the transmission reduces rotations of the driveshaft to rotations of the magnetic encoder in an N:1 ratio, wherein N is greater than 1 and less than or equal to 10.