Patents Assigned to S-PRINTING SOLUTION CO., LTD.
  • Cartridge and electrophotographic image forming apparatus including the same
    Patent number: 9971300
    Abstract: A cartridge detachably attachable to a main body of an image forming apparatus is provided. The cartridge includes a rotary member and a cartridge coupler. The cartridge coupler includes a transmission member coupled to a rotation axis of the rotary member, a receiving member connected to a set coupler provided in the main body for transmission of power, and a connection member connecting the transmission member and the receiving member together. The receiving member has an Oldham structure allowing movement relative to the transmission member in an axial direction. The receiving member is movable to a first position at which a rotation axis of the receiving member is misaligned with a rotation axis of the transmission member in an attachment or detachment direction, and to a second position at which the rotation axis of the receiving member is aligned with the rotation axis of the transmission member.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: May 15, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Ji-won Moon, Joon-hee Kim, Sang-hoon Lee
  • Image forming apparatus and image forming method
    Patent number: 9973656
    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.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: May 15, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Jin Sil Kim, Jin Ha Jun, Hyuk Kang, Yun-Mo Kim, Sung Min Park
  • IMAGE FORMING APPARATUS
    Publication number: 20180129161
    Abstract: An image forming apparatus includes a main body; a tray for a toner cartridge slidably coupled to the main body and configured to be pushed into and pulled out from the main body; a lever hinge-coupled to a portion of the tray for the toner cartridge and configured to rotate through a push-in/pull-out operation of the tray; a link member hinge-coupled to a portion of the lever and configured to move to a push-in/pull-out direction of the tray through rotation of the lever and simultaneously to perform pressure and pressure release on at least one customer replacement unit memory (CRUM) contact unit located in an inside of the main body; and a support frame configured to elastically support the CRUM contact unit to a direction that a photosensitive drum provided in the toner cartridge is spaced from an image transfer unit located in the main body.
    Type: Application
    Filed: July 21, 2017
    Publication date: May 10, 2018
    Applicant: S-Printing Solution Co., Ltd.
    Inventor: Mintae KIM
  • Toner for developing electrostatic latent image
    Patent number: 9964875
    Abstract: Disclosed is a toner for developing an electrostatic latent image, the toner comprising a plurality of toner particles, each toner particle includes: a core particle that contains a binding resin, a coloring agent, and a releasing agent; and an external additive attached to the surface of the core particle, wherein the toner has two endothermic peaks in a heat curve, which is obtained at the time of the secondary temperature rise in differential scanning calorimetry of the toner, and a stepped endothermic curve; and first and second melting temperatures, which are determined to be the locations of vertices of the two endothermic peaks, a glass transition temperature, which is determined to be the midpoint of a linear portion of the stepped endothermic curve, and first and second heat of melting, which are determined to be the areas of the two endothermic peaks, satisfy the condition set forth herein.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: May 8, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Se-young Yoon, Hae-ree Joo, Sung-jun Cho
  • Image forming apparatus and method for revising color
    Patent number: 9967411
    Abstract: An image forming apparatus is provided. The image forming apparatus includes: a storage configured to store a color conversion table; an image former configured to print a compensation chart corresponding to the color conversion table; a scanner configured to scan the printed compensation chart; and a changer configured to understand a range of brightness that the image former is able to represent using the scanned compensation chart, generate a gamma curve corresponding to the understood range of brightness, and change the color conversion table based on the generated gamma curve.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: May 8, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Woo-jun Chung, Hyun-soo Oh, In-ho Park, Nam-ju Shin, Kyeong-man Kim
  • PHOTORECEPTOR FOR ELECTROPHOTOGRAPHY, AND PHOTORECEPTOR CARTRIDGE AND IMAGE FORMING APPARATUS EMPLOYING THE SAME
    Publication number: 20180120716
    Abstract: Provided is a photoreceptor for electrophotography, having high sensitivity and high-speed response performance, and which prevents accumulation of residual potential even when used repeatedly. Also, provided are a photoreceptor cartridge and an image forming apparatus, each employing the photoreceptor.
    Type: Application
    Filed: May 17, 2017
    Publication date: May 3, 2018
    Applicant: S-Printing Solution Co., Ltd.
    Inventor: Hiroaki TAKAMURA
  • Image forming apparatus supporting near-field communication (NFC) function, and method of previewing scan data of image forming apparatus on mobile terminal
    Patent number: 9961229
    Abstract: An image forming apparatus supporting a near-field communication (NFC) function generates scan data by scanning a document, transmits the scan data to a server, receives access information for accessing a preview image of the scan data stored in the server, tags a mobile terminal on which the preview image is to be displayed through NFC, and transmits the access information to the tagged mobile terminal.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: May 1, 2018
    Assignee: S-Printing Solution Co., Ltd.
    Inventor: Se-yong Um
  • Image forming apparatus and method of controlling fuser
    Patent number: 9958827
    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: Grant
    Filed: May 15, 2017
    Date of Patent: May 1, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Hwa-chul Choi, Yun-su Kim
  • STAPLING APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE SAME
    Publication number: 20180111285
    Abstract: A stapling apparatus capable of performing stapling on various positions by varying a moving path of a stapler is provided. The stapling apparatus includes a stapler, a driver configured to be coupled to the stapler and move the stapler, and a guide part configured to selectively switch a moving path of the stapler.
    Type: Application
    Filed: August 10, 2017
    Publication date: April 26, 2018
    Applicant: S-PRINTING SOLUTION CO., LTD.
    Inventors: Tae-jin BAEK, Tae-hong KIM, Seoung-uk HAN, Eiji FUKASAWA, Dong-sun JUNG
  • Fixing device and image forming device having same
    Patent number: 9952540
    Abstract: A fixing device including fixing belt, a heat source to heat the fixing belt, a rotating member in engagement with an outer circumferential surface of the fixing belt, a nip forming member to pressurize the fixing belt, thereby forming a fixing nip between the fixing belt and the rotating member, and sliding members on both ends of the fixing belt and rotated together with the fixing belt. A rotation center of each of the sliding members is on an upstream side compared to a rotation center of the rotating member along a feeding direction of a printing medium, and a shortest distance between a tangential line of an outer circumferential surface of each of the sliding members and the rotation center of the rotating member is equal to or greater than a shortest distance between the fixing nip and the rotation center of the rotating member.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: April 24, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Ji Su Park, Soo Hwan Bae, Dong Woo Lee, Dong Jin Seol, Jun Tae Kim
  • Cartridge for recording medium and image forming apparatus having the same
    Patent number: 9950543
    Abstract: A cartridge for a recording medium and an image forming apparatus are provided. The image forming apparatus includes a housing, a printing unit disposed inside the housing, and having a thermal head with a heating element, and a cartridge for a recording medium, in which a recording medium wound in a roll shape is installed and which is provided to supply the recording medium to the printing unit, wherein the cartridge for a recording medium has a de-curl roller which guides the recording medium to be curved in a direction opposite to a winding direction, and is provided to be movable in a direction adjacent to the recording medium when the recording medium is supplied to the printing unit.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: April 24, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Hyun-Woo Kim, Yu Jin Oh
  • Image forming apparatus, motor control apparatus and motor control method
    Patent number: 9954468
    Abstract: An image forming apparatus includes an engine unit to perform an image forming job; an engine control unit to control the operation of the engine unit; a brushless direct current (BLDC) motor to drive the engine unit; a sensor unit to sense electric angle information and driving velocity information of the BLDC motor; a communication interface to receive a digital control command with respect to the BLDC motor from the engine control unit; a driving signal unit to generate a driving signal to control the BLDC motor; and a digital control unit to control the operation of the driving signal unit in a digital phase locked loop (PLL) manner for feedback controls the BLDC motor, based on the received digital control command, the detected electric angle information and the driving velocity information and a digital gain value as a control factor with respect to the BLDC motor.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: April 24, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Hyoung-il Kim, Yong-ho You, Seong-ho Shin, Young Jung Yun, Tae-young Kim, Geon-hoon Kim, Ho-bin Hwang, Ji-young Byun
  • Fusing device and image forming apparatus having the same
    Patent number: 9952541
    Abstract: A fusing device and an image forming apparatus are provided. The fusing device includes a fusing belt provided to be rotatable, a pressing member disposed to face the fusing belt, wherein the pressing member and the fusing belt form a fusing nip, a heat source disposed inside the fusing belt, wherein the heat source is disposed at a side of the fusing nip, a guide member including a heat source seat, on which the heat source is mounted, and configured to guide rotation of the fusing belt, and a pressing support member provided at one side of the heat source seat and configured to press the heat source toward the other side opposite the one side of the heat source seat.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: April 24, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD.
    Inventors: Sun Hyung Lee, Sang Uk Jeon, Dong Woo Lee
  • IMAGE SCANNING APPARATUS AND METHOD OF CONTROLLING SCAN
    Publication number: 20180109697
    Abstract: An image scanning apparatus is provided. The image scanning apparatus includes an image sensor configured to scan image information of a manuscript, a converter configured to convert a signal scanned by the image sensor into a digital signal, a processor configured to control the converter by using a plurality of control signals and perform image-processing with respect to the signal converted into the digital signal, and a reset circuit unit configured to generate a reset signal by using the plurality of control signals and provide the converter with the generated reset signal.
    Type: Application
    Filed: August 3, 2017
    Publication date: April 19, 2018
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Jung-han KIM, Dong-Yeol Jung
  • IMAGE FORMING APPARATUS AND METHOD FOR COLOR REGISTRATION CORRECTION
    Publication number: 20180107132
    Abstract: An image forming apparatus includes an image former configured to print on a printing paper a plurality of lines that are arranged at predetermined intervals in a main scanning direction and are vertical to the main scanning direction using different photosensitive drums, a scanner configured to scan the printing paper on which the plurality of lines are printed, and at least one processor configured to perform color registration correction using the plurality of scanned image
    Type: Application
    Filed: March 31, 2017
    Publication date: April 19, 2018
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Youn-jae KIM, Ki-youn LEE
  • Portable printer
    Patent number: D816154
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: April 24, 2018
    Assignee: S-Printing Solution Co., Ltd.
    Inventors: Min Chul Kim, Seung Wook Jeong, Tae Kung Park
  • Portable printer
    Patent number: D816764
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: May 1, 2018
    Assignee: S-Printing Solution Co., Ltd.
    Inventors: Min Chul Kim, Seung Wook Jeong, Tae Kung Park
  • Portable printer
    Patent number: D816765
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: May 1, 2018
    Assignee: S-Printing Solution Co., Ltd.
    Inventors: Min Chul Kim, Seung Wook Jeong, Tae Kung Park
  • Toner cartridge
    Patent number: D817387
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: May 8, 2018
    Assignee: S-Printing Solution Co., Ltd.
    Inventors: Minsu Han, Janghyun Son
  • Display screen or portion thereof with animated graphical user interface
    Patent number: D817975
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: May 15, 2018
    Assignee: S-PRINTING SOLUTION CO., LTD
    Inventors: Yoo-Ri Kim, Mee-Kyung Ryu, Se-Hui Park, Hyun-Il Lee