US 11,810,412 B2
Radio frequency identifier apparatus for access control and user identification
Kevin Zomchek, Nashua, NH (US); Yongyao Cai, Malden, MA (US); Rebecca R. Jaeger, Somerville, MA (US); Suresh R. Nair, Nashua, NH (US); Lee A. Lane, Medford, MA (US); Brian J. Taylor, Boston, MA (US); Burt Sacherski, Nashua, NH (US); Ashley M. Killian, Eastlake, OH (US); Michelle L. Poublon, Nashua, NH (US); Linxi Gao, Reading, MA (US); Timothy P. Wolfe, Medford, MA (US); and Wayne R. Foster, Tyngsborough, MA (US)
Assigned to Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US)
Filed by Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US)
Filed on Oct. 27, 2022, as Appl. No. 17/975,292.
Application 17/975,292 is a continuation of application No. 17/237,920, filed on Apr. 22, 2021, granted, now 11,527,122.
Prior Publication US 2023/0040166 A1, Feb. 9, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G07C 9/22 (2020.01); G07C 9/28 (2020.01); G07C 9/10 (2020.01); G05B 19/048 (2006.01); G07C 9/00 (2020.01)
CPC G07C 9/22 (2020.01) [G05B 19/048 (2013.01); G07C 9/00309 (2013.01); G07C 9/10 (2020.01); G07C 9/28 (2020.01); G05B 2219/50177 (2013.01); G07C 2009/00793 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
sending a first safety instruction to a machine in response to, within an entry window of time:
receiving an open alert that a movable barrier is in an open state, the movable barrier at an entry point of an enclosure protecting personnel from the machine;
receiving tag information from a reader at the movable barrier, the tag information from an identification of a person; and
confirming that the tag information belongs to an authorized person currently authorized to enter the enclosure; and
sending a second safety instruction to the machine in response to, within the entry window of time:
receiving the open alert; and
without one of receiving tag information or confirming that the tag information belongs to an authorized person currently authorized to enter the enclosure,
wherein the first safety instruction differs from the second safety instruction and wherein the first safety instruction is less restrictive than the second safety instruction in terms of actions to prevent injury.