公开(公告)号：US09924071B2

公开(公告)日：2018-03-20

申请号：US13963205

申请日：2013-08-09

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：US09832347B2

公开(公告)日：2017-11-28

申请号：US13963205

申请日：2013-08-09

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Jae-yoon Lee ,  Hong-rok Woo

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

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：US09927768B2

公开(公告)日：2018-03-27

申请号：US15639500

申请日：2017-06-30

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Jae-yoon Lee ,  Hong-rok Woo

IPC: G06K15/00 ,  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.

公开(公告)号：US10154161B2

公开(公告)日：2018-12-11

申请号：US15293875

申请日：2016-10-14

Applicant: S-Printing Solution Co., Ltd.

Inventor： Jae-yoon Lee ,  Hong-rok Woo

IPC: G06Q10/08 ,  H04N1/00

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：US09973658B2

公开(公告)日：2018-05-15

申请号：US15677603

申请日：2017-08-15

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Jae-yoon Lee ,  Hong-rok Woo

IPC: G06K15/00 ,  H04N1/44 ,  G03G15/08 ,  G03G21/18

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.