US 11,943,394 B2
Wireless intercom system and group pairing method of wireless intercom system
Sung Won Yoon, Seoul (KR)
Assigned to SENA TECHNOLOGIES INC., Seoul (KR)
Appl. No. 17/290,067
Filed by SENA TECHNOLOGIES INC., Seoul (KR)
PCT Filed Oct. 31, 2019, PCT No. PCT/KR2019/014545
§ 371(c)(1), (2) Date Apr. 29, 2021,
PCT Pub. No. WO2020/105895, PCT Pub. Date May 28, 2020.
Claims priority of application No. 10-2018-0143537 (KR), filed on Nov. 20, 2018.
Prior Publication US 2021/0400145 A1, Dec. 23, 2021
Int. Cl. H04M 9/00 (2006.01); G06K 7/14 (2006.01); H04W 12/55 (2021.01); H04W 76/14 (2018.01); H04W 84/20 (2009.01)
CPC H04M 9/001 (2013.01) [G06K 7/1417 (2013.01); H04W 12/55 (2021.01); H04W 76/14 (2018.02); H04W 84/20 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A group pairing method of a wireless intercom system comprising:
scanning, by a master mobile device wirelessly connected to a master wireless intercom device, QR codes, which are displayed on slave mobile devices, to add a plurality of slave wireless intercom devices to an intercom group as intercom group members, wherein each slave mobile device is wirelessly connected to one of the plurality of slave wireless intercom devices;
setting a connection order of the intercom group members by using the master mobile device wirelessly connected to the master wireless intercom device; and
wirelessly chain-connecting the plurality of slave wireless intercom devices to the master wireless intercom device according to the set connection order.