Patents Assigned to S-PRINTING SOLUTION CO., LTD.
  • Image forming apparatus for determining defects of light-emitting element array chips
    Patent number: 9844952
    Abstract: An image forming apparatus includes a plurality of light-emitting element array chips including a light-emitting element array and a transfer element array, and a control driver applying a signal to the plurality of light-emitting element array chips. The control driver includes a check terminal that measures signals output from the plurality of light-emitting element array chips, and the control driver determines whether any of the plurality of light-emitting element array chips are defective by analyzing the signals measured at the check terminal.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: December 19, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventor: Su-hwan Kim
  • IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING FUSER
    Publication number: 20170343959
    Abstract: An image forming apparatus is provided. The image forming apparatus includes a fuser configured to fuse a print sheet on which toner is developed and a fuser driver configured to supply a heating element of the fuser with a power source supplied from an external alternating current (AC) so as to enable the fuser to have a preset target temperature. The fuser driver performs a control of the number of waveforms hours of an AC power source supplied to the heating element by varying a control cycle according to a temperature of the fuser.
    Type: Application
    Filed: May 15, 2017
    Publication date: November 30, 2017
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Hwa-chul CHOI, Yun-su KIM
  • CRUM CHIP AND IMAGE FORMING DEVICE FOR AUTHENTICATION AND COMMUNICATION, AND METHODS THEREOF
    Publication number: 20170346990
    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.
    Type: Application
    Filed: August 15, 2017
    Publication date: November 30, 2017
    Applicant: S-PRINTING SOLUTION CO., LTD.
    Inventors: Jae-yoon LEE, Hong-rok WOO
  • LIGHT SCANNING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
    Publication number: 20170343923
    Abstract: Provided are an light scanning device capable of adjusting the position of optics and an image forming apparatus including the light scanning device. The light scanning device includes first and second light sources configured to emit first and second light beams, respectively; optics including first and second lenses for transmitting the first and second light beams therethrough and a lens holder configured to support the second lens; and a housing configured to support the first and second light sources and the optics, wherein the first and second light sources and the first lens are supported to be fixed to the housing, and the second lens is supported to be able to move with respect to the first lens.
    Type: Application
    Filed: May 24, 2017
    Publication date: November 30, 2017
    Applicant: S-PRINTING SOLUTION CO., LTD.
    Inventors: Heon-hee LIM, Han-sung LEE, Jin-kwon CHUN, Sung-dae KIM
  • Crum chip and image forming device for authentication and communication, and methods thereof
    Patent number: 9832347
    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.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: November 28, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Jae-yoon Lee, Hong-rok Woo
  • Image forming apparatus and method of performing error notification and error recovery functions in image forming apparatus
    Patent number: 9832340
    Abstract: A method of performing error notification and error recovery functions in an image forming apparatus includes detecting by one or more sub-processors an error of a main processor for controlling the sub-processors; controlling an interface function of the image forming apparatus if the error is detected; outputting information about the detected error; and recovering the detected error by controlling an operation of the main processor.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: November 28, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventor: Kee-chang Lee
  • IMAGE SCANNING APPARATUS AND CONTROLLING METHOD THEREOF
    Publication number: 20170339290
    Abstract: An image scanning apparatus includes a display unit, a scan unit configured to continuously generate a first scan image and a second scan image, and a processor configured to compare the generated first scan image and second scan image and determine whether the first scan image and the second scan image are scan images with respect to the a same original, and in response to determining that the first scan image and the second scan image are scan images with respect to a same original, control the display unit to display a notification message.
    Type: Application
    Filed: May 8, 2017
    Publication date: November 23, 2017
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Ki-hun KIM, Sang-hyun PARK
  • Image forming apparatus supporting peer to peer connection and method of performing image forming operation thereof
    Patent number: 9826116
    Abstract: A method of performing an image forming operation in an image forming apparatus supporting peer to peer (P2P) connection includes P2P connecting the image forming apparatus to an external wireless device while the image forming apparatus is wirelessly connected to an access point (AP) of an infrastructured network, receiving a discovery packet from the wireless device via a P2P interface, transmitting to the wireless device a response packet including an Internet protocol (IP) address of the P2P interface, receiving from the wireless device an image forming operation performing request having the IP address of the P2P interface as a destination, and performing the requested image forming operation.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: November 21, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Hyun-wook Park, Jin-hyung Kim, Sung-joon Park
  • Image forming apparatus supporting Wi-Fi direct and method of activating Wi-Fi direct
    Patent number: 9826117
    Abstract: An image forming apparatus supporting peer to peer (P2P) connection includes a print engine to perform a print operation; a first wireless interface to connect the image forming apparatus to an access point (AP) of an infrastructured network; a second wireless interface to connect the image forming apparatus to an external mobile device by P2P; a soft AP module to allow the image forming apparatus to perform as an AP when the image forming apparatus is P2P connected; a dynamic host configuration protocol (DHCP) server unit to allocate an internet protocol (IP) address to the mobile device that is P2P connected to the image forming apparatus; a soft AP activating unit to activate the soft AP module; and a control unit. If a discovery packet is received from the mobile device via P2P interface, the control unit is operable to control the image forming apparatus to process the discovery packet.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: November 21, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Sung-joon Park, Jin-hyung Kim, Hyun-wook Park
  • PAPER FEEDER AND MEDIUM PROCESSING APPARATUS INCLUDING THE SAME
    Publication number: 20170327330
    Abstract: A paper feeder includes a load tray where cut-sheet-type media are loaded; a pickup member configured to withdraw the cut-sheet-type media from the load tray; and a blowing unit configured to supply pulse air from a downstream side of the load tray in a loading direction of the cut- sheet-type media to a front end portion of the cut-sheet-type media loaded on the load tray.
    Type: Application
    Filed: May 10, 2017
    Publication date: November 16, 2017
    Applicant: S- PRINTING SOLUTION CO., LTD.
    Inventors: Eiji AOKI, Jin-soo LEE
  • Semiconductive roller of an image-forming apparatus
    Patent number: 9818947
    Abstract: A semiconductive roller to stably generate high-quality images for a long period of time by efficiently inhibiting migration of free epichlorohydrin (ECH) component to a surface of the semiconductive roller includes an elastic layer formed of a semiconductive rubber composition including about 50 to about 70 parts by weight of a base rubber and about 30 to about 50 parts by weight of a hydrin rubber. An extracted amount of the ECH component from the elastic layer is about 2% by volume or less, wherein the extracted amount is determined based on a reduced amount of chlorine (Cl) intensity measured using X-ray fluorescence (XRF) analysis performed before and after extraction of the ECH component from the elastic layer using tetrahydrofuran (THF).
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: November 14, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Kwang-ho Kang, Jae-hyeuk Jeong, Jung-ik Choi
  • CRUM chip and image forming device for communicating mutually, and method thereof
    Patent number: 9811050
    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.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: November 7, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Jae-Yoon Lee, Hong-Rok Woo
  • Print data processing method of mobile device and the mobile device
    Patent number: 9807258
    Abstract: A mobile device includes a communication unit configured to communicate with an image forming apparatus; a display configured to display a screen; a memory configured to store a printing list; and a controller configured to search for an adjacent image forming apparatus through the communication unit, check whether there is content to be printed in the printing list stored in the memory, and control the display to display notification information on the screen based on a result of the checking.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: October 31, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Mok-hwa Lim, Hyun-sub Kil, In-Cheon Park
  • Developing device attachable to electrophotographic image forming apparatus
    Patent number: 9804557
    Abstract: Provided is an electrophotographic image forming apparatus including a developing device attached to/detached from a main body; a memory unit provided in the developing device to transfer information related to the developing device to the main body, and a contact portion for connecting to the main body; and a connection portion provided in the main body, and connecting to the contact portion when the developing device is attached to the main body, wherein one of the connection portion and the contact portion has a first location, where the connection portion or the contact portion is inclined with respect to the first direction of the developing device, and a second location, where the connection portion or the contact portion is in parallel with the first direction.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: October 31, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventor: Ho-hyun Hwang
  • Image forming apparatus
    Patent number: 9802774
    Abstract: An image forming apparatus includes a developing device, a plurality of feeding and delivering paths through which a printing medium is delivered to the developing device, a feeding roller unit which forms a developing and delivering path in which the plurality of feeding and delivering paths are joined and delivers the printing medium to the developing device, and a guide unit which guides the printing medium passing through the plurality of feeding and delivering paths to the feeding roller unit and is rotatably provided to expose the plurality of feeding and delivering paths to the outside. In the above configuration, the printing medium jam problems inside the image forming apparatus are easily cleared.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: October 31, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Seung Sup Lee, Jung Yun Won
  • Method for providing service through solution server in security environment, and apparatus and system for performing the same
    Patent number: 9807259
    Abstract: A system which provides a solution service to an image forming apparatus and includes a solution server having a solution application installed therein, an image forming apparatus configured to provide a user interface (UI) for the solution application and perform a job requested by the solution server, and a message server configured to communicate with the solution server and the image forming apparatus. The solution server transmits a job request to the message server by using a message protocol, and the image forming apparatus receives the job request by accessing the message server.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: October 31, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Tae-gyun Cho, Hyo-eun Kim
  • Fusing device and image forming apparatus having the same
    Patent number: 9804540
    Abstract: Disclosed herein is a fusing device. The fusing device includes a first heating source including a first heater and a first conductor connected to the first heater, a second heating source including a second heater and a second conductor connected to the second heater, a fusing member heated by at least one of the first heating source and the second heating source. The fusing device includes a pressing member disposed to face the fusing member to press a printing medium toward the fusing member, where the first heating source includes a first non-heater portion in which the first heater or the first conductor is sealed so that a part of the first heating source does not generate heat.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: October 31, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventor: Dong Woo Lee
  • Method and device for using cloud print service
    Patent number: 9807260
    Abstract: A method of using a cloud print service includes registering a virtual printer with a server, designating the virtual printer as an output device and transmitting a content file to the server, monitoring the virtual printer and acquiring print data generated by converting the content file from the server, and requesting printing while transmitting the print data to a local printer.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: October 31, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: In-chang Park, Jeong-hun Kim
  • Method of controlling image forming apparatus through user terminal, and image forming apparatus and user terminal for performing the method
    Patent number: 9804732
    Abstract: A method of controlling an image forming apparatus using a user terminal includes displaying a popup window corresponding to an event generated in the image forming apparatus, determining whether at least one user terminal is connected to the image forming apparatus, and applying a previously set timeout to the popup window according to the connection of the user terminal.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: October 31, 2017
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventor: Soo-young Kang
  • PRINTOUT DELIVERY SYSTEM AND METHOD USING MOBILE DEVICE
    Publication number: 20170308874
    Abstract: A method of transmitting contents stored in a mobile device may include displaying a list of the contents on a display screen, receiving a user input for selecting content to be printed, on the display screen, displaying a list of printers capable of printing the selected content, and a ‘send to delivery server’ item on the display screen, transmitting the content to a cloud server based on a user input for selecting the ‘send to delivery server’ item on the display screen, displaying a printing cost of the content on the display screen while the content is being converted into print data by the cloud server, receiving payment information of the printing cost and receiver information of a printout of the content, and transmitting the payment information and the receiver information to the cloud server.
    Type: Application
    Filed: April 12, 2017
    Publication date: October 26, 2017
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Jeong-jin PARK, Ki-young HWANG, Yong-chan KWON, Kwang-seuk KIM, Jung-mi KIM