US 11,941,932 B2
Security control and access system
Michael Radicella, Erie, CO (US); Roger Matsumoto, Superior, CO (US); Matthew J. Morrison, Johnstown, CO (US); Richard Burkley, Boulder, CO (US); Kriston Chapman, Lyons, CO (US); and Shirl Jones, Lyons, CO (US)
Assigned to Isonas, Inc., Boulder, CO (US)
Filed by Isonas, Inc., Boulder, CO (US)
Filed on May 9, 2022, as Appl. No. 17/739,882.
Application 17/739,882 is a continuation of application No. 16/541,700, filed on Aug. 15, 2019, granted, now 11,341,797.
Application 16/541,700 is a continuation of application No. 15/416,760, filed on Jan. 26, 2017, granted, now 10,388,090, issued on Aug. 20, 2019.
Application 15/416,760 is a continuation of application No. 14/858,702, filed on Sep. 18, 2015, granted, now 9,589,400, issued on Mar. 7, 2017.
Application 14/858,702 is a continuation in part of application No. 14/164,884, filed on Jan. 27, 2014, granted, now 9,336,633, issued on May 10, 2016.
Application 14/164,884 is a continuation of application No. 12/833,890, filed on Jul. 9, 2010, granted, now 8,662,386, issued on Mar. 4, 2014.
Application 12/833,890 is a continuation of application No. 11/838,022, filed on Aug. 13, 2007, granted, now 7,775,429, issued on Aug. 17, 2010.
Claims priority of provisional application 60/822,595, filed on Aug. 16, 2006.
Prior Publication US 2023/0092910 A1, Mar. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G07C 9/27 (2020.01); G07C 9/00 (2020.01); G07C 9/25 (2020.01)
CPC G07C 9/27 (2020.01) [G07C 9/00182 (2013.01); G07C 9/00571 (2013.01); G07C 9/257 (2020.01); G07C 2209/08 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for controlling access to an enclosed area, the method comprising:
receiving a credential identifier in an access controller associated with an entrance to the enclosed area;
authenticating the credential identifier; and
sending an unlock signal through a relay of the access controller to power a lock associated with the access controller to unlock a door at the entrance to the enclosed area when the credential identifier has been successfully authenticated, wherein the relay is powered via a direct current power source, and wherein at least a portion of the access controller is powered via a Power-over-Ethernet (PoE) interface.