US 11,887,417 B2
Access control system and access control method using the same
Dong Mok Shin, Seoul (KR); In Sik Baek, Seoul (KR); Jong Keun Lee, Seongnam-si (KR); Jung Young Kim, Yongin-si (KR); Seong Bin Choi, Seongnam-si (KR); and Jae Won Lee, Seongnam-si (KR)
Assigned to MOCA SYSTEM INC., Seongnam-si (KR)
Filed by MOCA SYSTEM INC., Seongnam-si (KR)
Filed on Sep. 7, 2022, as Appl. No. 17/939,827.
Application 17/939,827 is a continuation of application No. 16/930,284, filed on Jul. 15, 2020, granted, now 11,462,063.
Application 16/930,284 is a continuation of application No. 16/137,380, filed on Sep. 20, 2018, granted, now 10,755,500, issued on Aug. 25, 2020.
Claims priority of provisional application 62/582,070, filed on Nov. 6, 2017.
Claims priority of application No. 10-2018-0026202 (KR), filed on Mar. 6, 2018; and application No. 10-2018-0026203 (KR), filed on Mar. 6, 2018.
Prior Publication US 2023/0005310 A1, Jan. 5, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G07C 9/00 (2020.01); H04L 67/12 (2022.01); H04L 69/08 (2022.01)
CPC G07C 9/00182 (2013.01) [G07C 9/00563 (2013.01); G07C 9/00571 (2013.01); G07C 9/00904 (2013.01); H04L 67/12 (2013.01); H04L 69/08 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A sub-reader device communicating with a reader device such that the reader device communicating using first communication protocol communicates with first device communicating using second communication protocol different from the first communication protocol via the sub-reader device, wherein the second communication protocol is not supported by the reader device, the sub-reader device comprising:
a processor configured to obtain first request information using the second communication protocol from the first device, obtain second request information based on the first request information, and provide the second request information to the reader device using the first communication protocol,
wherein the sub-reader device authenticates the first request information based on first information,
wherein the first information is obtained from a server or pre-stored in the sub-reader device,
wherein the second request information is provided to the reader device when the first request information is authenticated, and
wherein the sub-reader device obtains the first request information when the first device receives information related to the first request information from the server.