公开(公告)号：US20210167815A1

公开(公告)日：2021-06-03

申请号：US17110730

申请日：2020-12-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yangwoon ROH ,  Hwanjin KIM ,  Yeonsik YU ,  Cheaok KO ,  Keonyoung SEO ,  Jihun YU

IPC: H04B5/00 ,  G08B21/22

Abstract: A method for identifying information on an external electronic device based on near field communication (NFC). The method includes transmitting a signal of an NFC band to the external electronic device; identifying whether the external electronic device is capable of NFC, requesting an NFC identifier (ID) from the external electronic device, and receiving the NFC ID from the external electronic device; receiving the NFC ID, reading a unique identifier from the NFC ID, and identifying a communication protocol type; identifying flag information included in the NFC ID; and determining whether the external electronic device is initially recognized and/or normally recognized through the flag information.