公开(公告)号：US20180020104A1

公开(公告)日：2018-01-18

申请号：US15293875

申请日：2016-10-14

Applicant: S-Printing Solution Co., Ltd.

Inventor： Jae-yoon LEE ,  Hong-rok WOO

IPC: H04N1/00 ,  G06Q10/08

CPC classification number: H04N1/00323 ,  G06Q10/087 ,  H04N1/00034 ,  H04N1/0009 ,  H04N2201/0094

Abstract: An image forming apparatus and an operating method thereof are provided. The image forming apparatus uses supplied mounted therein, and includes at least one computer processor configured to determine a grade of the image forming apparatus based on an accumulated usage of the supplies, and determine a range of available grades of the supplies, based on the determined grade of the image forming apparatus, and a memory configured to store information about the grade of the image forming apparatus.

公开(公告)号：US20170346990A1

公开(公告)日：2017-11-30

申请号：US15677603

申请日：2017-08-15

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Jae-yoon LEE ,  Hong-rok WOO

IPC: H04N1/44 ,  G03G21/18 ,  G03G15/08

CPC classification number: H04N1/4433 ,  G03G15/0863 ,  G03G21/1882

Abstract: A Customer Replaceable Unit Monitoring (CRUM) chip, an image forming apparatus, and a method of authenticating are provided. The apparatus includes a main body that includes a main controller controlling operations of the apparatus, a consumable unit mounted on the main body to communicate with the main controller, and a CRUM chip that is provided in the consumable unit and stores information regarding the consumable unit. The main controller and the CRUM chip transmit and receive signals that include data and integrity detection data between each other. The integrity detection data is generated by using previous integrity detection data.

公开(公告)号：US20170223015A1

公开(公告)日：2017-08-03

申请号：US15422904

申请日：2017-02-02

Applicant: S-Printing Solution Co., Ltd.

Inventor： Jae-yoon LEE ,  Hyun-sook RHEE ,  Su-kyoung CHAE

IPC: H04L29/06 ,  H04L9/30 ,  H04L9/14 ,  H04L9/08

CPC classification number: H04L63/0853 ,  H04L9/0869 ,  H04L9/0877 ,  H04L9/14 ,  H04L9/30 ,  H04L9/3234 ,  H04L63/0428 ,  H04L63/06 ,  H04L63/061 ,  H04L63/0823 ,  H04W4/70 ,  H04W12/04 ,  H04W12/06

Abstract: A secured device including a security hardware module and a method thereof are provided. The secured device generates first user authentication information based on a user input, generates encryption key generation information corresponding to the first user authentication information, receives second user authentication information from an electronic device, and transmits to the electronic device the encryption key generation information corresponding to the first user authentication information when the second user authentication information matches the first user authentication information. The first user authentication information and the encryption key generation information are secured by the security hardware module.

公开(公告)号：US20170300008A1

公开(公告)日：2017-10-19

申请号：US15639500

申请日：2017-06-30

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Jae-yoon LEE ,  Hong-rok WOO

IPC: G03G21/18

CPC classification number: G03G21/1882

Abstract: An image forming device is provided. The device includes a main body which includes a main controller controlling operations of the image forming device, a consumable unit mounted on the main body to enable communication with the main controller, and a CRUM chip which is provided in the consumable unit and stores usage information of the consumable unit and characteristics information. The main controller and the CRUM chip transmit and receive signals which include data and integrity detection data between each other. The integrity detection data is generated by accumulating and reflecting integrity detection data included in a previous signal.