Patents Assigned to HP PRINTING KOREA CO., LTD.
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Patent number: 10419626Abstract: An image forming method and apparatus, and a host in which the image forming method includes setting a processing order of a plurality of operations of a same image data and detailed setup information of the plurality of operations, and executing the plurality of operations using the detailed setup information according to the set processing order.Type: GrantFiled: May 4, 2016Date of Patent: September 17, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Hyun-wook Park, Sun-young Park, Hyun-sub Kil
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Patent number: 10409214Abstract: A development cartridge detachable from a main body of an image forming apparatus includes a photosensitive unit including a photosensitive drum and a developing unit including a developing roller. The developing unit is coupled to the photosensitive unit such that the developing unit is movable to a development position where a development nip forms by contact between the developing roller and the photosensitive drum and movable to a release position where the development nip is released. The development cartridge further includes a pressurizing unit movable to a first position where the pressurizing unit applies an elastic force to the developing unit in a direction such that the developing unit is maintained in the development position, and movable to a second position where the pressurizing unit applies an elastic force to the developing unit in a direction such that the developing unit is maintained in the release position.Type: GrantFiled: June 25, 2018Date of Patent: September 10, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Sang-Hoon Lee, Joon-Hee Kim
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Patent number: 10394570Abstract: A method of generating a boot image for fast booting an image forming apparatus. In the method, a boot image is generated to contain information regarding a system state after processes that are not used to execute an operating system and at least one application are terminated. Then, the image forming apparatus is fast booted using the boot image.Type: GrantFiled: October 12, 2012Date of Patent: August 27, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Kun-hoon Baik, Ji-sub Park, Joung-hoon Choo, Hyun-suk Lee
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Publication number: 20190258194Abstract: A transfer device having a structure for preventing the meandering of a transfer belt, an image forming apparatus including a structure for preventing the meandering of a transfer belt. and a method for preventing meandering of the transfer belt. The image forming apparatus including a main body. The main body including an image forming member and a transfer device which transfers an image formed through the image forming member to a printing medium. The transfer device includes a frame, a driving roller, a backup roller being rotatably supported to the frame, a transfer belt to travel between the driving roller and the backup roller; and meandering prevention members located at both end portions of the backup roller to independently rotate. The meandering prevention members being driven by contact with the transfer belt to control tension of the transfer belt.Type: ApplicationFiled: March 8, 2017Publication date: August 22, 2019Applicant: HP PRINTING KOREA CO., LTD.Inventors: Jinho Lee, HOGUN YOU, JUNHO LEE
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Patent number: 10389891Abstract: Disclosed are a scanning apparatus, a mobile apparatus, and a scan job performing method thereof. The scan job performing method includes discovering at least one mobile apparatus supporting the scan-to-mobile function by using multicasting by the scanning apparatus, receiving information on at least one discovered mobile apparatus, setting a connection between the scanning apparatus and the mobile apparatus by using the received information of the mobile apparatus, and transmitting a scan image generated by the scanning apparatus to the mobile apparatus. With this configuration, authentication and connection between the scanning apparatus and the mobile apparatus are set by multicasting to thereby improve user's convenience.Type: GrantFiled: September 6, 2011Date of Patent: August 20, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Hak-ju Lee, Jung-mo Hong, Dong-hoan Koo
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Publication number: 20190250544Abstract: A fixing device comprising a fixing belt, a rotating member to be in engagement with an outer circumferential surface of the fixing belt, to form a fixing nip between the fixing belt and the rotating member, and sliding members on both ends of the fixing belt.Type: ApplicationFiled: April 26, 2019Publication date: August 15, 2019Applicant: HP Printing Korea, Co., Ltd.Inventors: Ji Su PARK, Soo Hwan BAE, Dong Woo LEE, Dong Jin SEOL, Jun Tae KIM
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Patent number: 10353341Abstract: An image forming apparatus comprises a fuser to fuse a print sheet having a surface on which toner is developed, the fuser including a heating element, and a controller to control a number of waveforms of an alternating current (AC) power to be supplied to the heating element, within a control cycle to control the fuser to fuse the print sheet at a target temperature and to vary the control cycle, according to a temperature of the fuser.Type: GrantFiled: March 12, 2018Date of Patent: July 16, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Hwa-chul Choi, Yun-su Kim
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Patent number: 10324402Abstract: A belt type fixing apparatus includes a fixing belt, a fixing roller disposed to face the fixing belt, a nip forming member that is disposed inside the fixing belt and presses the fixing belt to the fixing roller to form a fixing nip, first and second regulating surfaces that are provided at opposite ends of the nip forming member and restrict an axial movement of the fixing belt, and first and second guide surfaces that are provided inside the fixing belt and guide rotation of the fixing belt. The first regulating surface and the second regulating surface include at least one regulating step portion which is not in contact with one end of the fixing belt, respectively. The first guide surface and the second guide surface include at least one guide step portion which is not in contact with an inner surface of the fixing belt, and the at least one regulating step portion and the guide step portion are formed to be staggered from each other.Type: GrantFiled: January 9, 2017Date of Patent: June 18, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventor: Seung-jun Lee
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Patent number: 10317826Abstract: A fixing device comprising a fixing belt, a rotating member arranged to be in engagement with an outer circumferential surface of the fixing belt, a nip forming member to press the fixing belt, to form a fixing nip between the fixing belt and the rotating member, and sliding members on both ends of the fixing belt and to rotate together with the fixing belt.Type: GrantFiled: March 12, 2018Date of Patent: June 11, 2019Assignee: HP PRINTING KOREA, CO., LTD.Inventors: Ji Su Park, Soo Hwan Bae, Dong Woo Lee, Dong Jin Seol, Jun Tae Kim
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Patent number: 10313538Abstract: Disclosed is an image forming apparatus. The present image forming apparatus comprises: an input unit for receiving a scanning option; a communication unit for transmitting the received scanning option to another image forming apparatus; a scanning unit for scanning a first document according to the scanning option and generating first scanned data; and a control unit for receiving second scanned data in which a second document is scanned according to the scanning option in another image forming apparatus, and combining the first scanned data and the second scanned data.Type: GrantFiled: December 2, 2014Date of Patent: June 4, 2019Assignee: HP Printing Korea Co., Ltd.Inventors: Tae-jung Yun, Yong-im Kim, Hong-seock Kim
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Publication number: 20190163104Abstract: An apparatus includes an image former and an induction heating fusing device. The image former forms an image. The induction heating fusing device fuses the image formed by the image former onto paper. Whether the induction heating fusing device has an error is determined by limiting a current applied to a resonance circuit included in the induction heating fusing device to less than a certain level.Type: ApplicationFiled: January 30, 2019Publication date: May 30, 2019Applicant: HP Printing Korea Co., LTD.Inventor: Yuichiro TOMISHIMA
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Patent number: 10306087Abstract: A hinge for a cover of an image forming apparatus has a hinge housing to be movably positioned into an opening in a body of the image forming apparatus, a hinge cam to couple to the cover and to pivotably couple to the hinge housing to support pivoting of the cover.Type: GrantFiled: June 26, 2018Date of Patent: May 28, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventor: Dong-ha Choi
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Patent number: 10298809Abstract: A device for supporting a cloud print service includes a control unit configured to control so that print data generated in a first area is acquired in a second area, a user interface unit configured to provide a user interface for performing user authentication according to the acquisition of the print data and receive authentication information from a user through the user interface, and a communication unit configured to transmit the acquired print data to a cloud print server if the user authentication succeeds by using the received authentication information.Type: GrantFiled: May 20, 2016Date of Patent: May 21, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: A-ri Kim, Kyung-hoon Kang
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Patent number: 10298786Abstract: Provided is a method of performing a job by using a widget. The method includes, in a widget including a button for a start of a predetermined job, receiving an input of selection of the button, displaying a progress of the job on the widget if the job is started in response to the input, and changing a state of the widget to an initial state if the job is completed.Type: GrantFiled: July 2, 2015Date of Patent: May 21, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Kwang-soo Ha, Se-young Kim, Hyuck Kim, Se-rrah Lim
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Publication number: 20190149694Abstract: An image scanning apparatus includes a converter to convert a signal generated by an image sensor scanning an image, into a digital signal, a processor to control the converter to convert the signal into the digital signal using a plurality of control signals communicable between the converter and the processor, and a reset circuit to generate a reset signal to reset the converter based on at least one control signal of the plurality of control signals.Type: ApplicationFiled: January 16, 2019Publication date: May 16, 2019Applicant: HP Printing Korea Co., LTD.Inventors: Jung-han KIM, Dong-yeol JUNG
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Patent number: 10291797Abstract: 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: GrantFiled: May 8, 2017Date of Patent: May 14, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Ki-hun Kim, Sang-hyun Park
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Patent number: 10289879Abstract: A method of writing a near field communication (NFC) tag using a mobile terminal includes establishing a wireless connection between the mobile terminal and an image forming apparatus, extracting a predetermined field value corresponding to a data structure of the NFC tag from information collected while establishing the wireless connection, generating tag information including the predetermined field value by arranging the predetermined field value according to the data structure, and writing the tag information to the NFC tag through NFC tagging.Type: GrantFiled: May 28, 2014Date of Patent: May 14, 2019Assignee: HP Printing Korea Co., Ltd.Inventors: Wu-seok Jang, Naveen Maheshwari, Hak-ju Lee
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Patent number: 10289062Abstract: Disclosed is a development cartridge attachable/detachable to/from a main body of an image forming apparatus. The development cartridge includes at least a photosensitive drum to form an electrostatic latent image thereon or a developer roller to develop the electrostatic latent image by supplying a developer to the photosensitive drum, a housing to support the at least one photosensitive drum or the developer roller. A developer roller gear may be provided on a rotation shaft of the developer roller to connect to a driving gear of the main body when the development cartridge is attached to the main body, and a driven coupler provided at an end of the photosensitive drum to couple to a driving coupler located coaxially with the driving gear in the main body, based on shaft coupling when the development cartridge is attached to the main body.Type: GrantFiled: March 1, 2018Date of Patent: May 14, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Young Chae Kim, Junhui Kim, Jin-Hong Kim, Ji-Won Moon, Yun Kyu Shim, Sungwook Kang, Sunggi Kim
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Patent number: 10289351Abstract: A method of forming an image using a mobile terminal supporting near field communication (NFC) includes launching a mobile application corresponding to an application identifier of tag information of an NFC tag obtained through first NFC tagging, generating data of a job to be performed by an image forming apparatus through the mobile application when the NFC tag is detected again through second NFC tagging, the job being determined according to a state of the mobile application during the second NFC tagging, and transmitting the generated data to the image forming apparatus.Type: GrantFiled: May 11, 2018Date of Patent: May 14, 2019Assignee: HP Printing Korea Co., Ltd.Inventors: Wu-seok Jang, Naveen Maheshwari, Hak-ju Lee
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Patent number: RE47519Abstract: An image forming apparatus includes a communication interface unit to receives an XML paper specification (XPS) file, an XPS file processing unit which converts the XPS file into an output data corresponding to printing paper to print the XPS file using information regarding the height and width of a FixedPage in the XPS file, and a control unit which controls the image forming apparatus to print the output data. Accordingly, even when an XPS file does not include information regarding printing paper, a user can select and print printing paper suitable for the user's demand.Type: GrantFiled: May 15, 2017Date of Patent: July 16, 2019Assignee: HP PRINTING KOREA CO., LTD.Inventors: Na-young Kim, Sung-won Chae