公开(公告)号：US09973656B2

公开(公告)日：2018-05-15

申请号：US15368019

申请日：2016-12-02

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Jin Sil Kim ,  Jin Ha Jun ,  Hyuk Kang ,  Yun-Mo Kim ,  Sung Min Park

IPC: G03G15/00 ,  G03G21/00 ,  H04N1/44 ,  H04N1/00

CPC classification number: H04N1/4433 ,  G03G15/5091 ,  H04N1/00307 ,  H04N1/4413 ,  H04N1/4426 ,  H04N2201/006 ,  H04N2201/0094

Abstract: An image forming apparatus may include an image forming unit configured to form an image on a printing medium and a control unit configured to perform at least one of a user authentication operation, an image forming preparation operation, and an image forming operation according to distance information between a portable electronic device and the image forming apparatus.