公开(公告)号：US20200183863A1

公开(公告)日：2020-06-11

申请号：US16315058

申请日：2017-06-16

Applicant: HP Printing Korea Co., LTD.

Inventor： Seunghun PARK ,  Seob CHO ,  Seo Keon Young ,  Namjin KIM ,  Jokwang RAE ,  JungSoo PARK ,  Younjae KIM ,  JeongNam CHEON

IPC: G06F13/16 ,  G06F3/06 ,  G06F11/07 ,  H05K1/18

Abstract: An electronic device is disclosed. The electronic device comprises a circuit board, a memory part comprising a plurality of first memory chips mounted on the circuit board, a socket part comprising a plurality of terminals electrically connected to a memory module which comprises a plurality of second memory chips, a memory controller for controlling the operation of the plurality of first memory chips and, when the memory module is connected to the socket part, controlling the operation of the plurality of first memory chips and the plurality of second memory chips, a conductive pattern comprising a control line which sequentially connects, from the memory controller, one or more of the plurality of terminals on the socket part and the plurality of first memory chips, and a capacitive element connected to the control line at a preset position between the one or more terminals on the socket part and the memory controller.

公开(公告)号：US20200183630A1

公开(公告)日：2020-06-11

申请号：US16491687

申请日：2018-02-13

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Soo Young CHO ,  Se Young KIM ,  Eun Kyung YUN ,  Pyung Hwa LEE

IPC: G06F3/12

Abstract: An image forming apparatus for printing through automatic sorting is described. A communication interface obtains data from a plurality of external apparatuses. A processor, in response to the obtaining, collects the obtained data according to a plurality of groups sorted based on identification information included in the obtained data, and generates a print command when a predetermined condition is satisfied. An image forming job performer prints data collected in the plurality of groups according to the generated print command.

公开(公告)号：US10656578B2

公开(公告)日：2020-05-19

申请号：US16395992

申请日：2019-04-26

Applicant: HP Printing Korea Co., Ltd.

Inventor： Ji Su Park ,  Soo Hwan Bae ,  Dong Woo Lee ,  Dong Jin Seol ,  Jun Tae Kim

IPC: G03G15/20

Abstract: 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.

公开(公告)号：US10601817B2

公开(公告)日：2020-03-24

申请号：US15422904

申请日：2017-02-02

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Jae-yoon Lee ,  Hyun-sook Rhee ,  Su-kyoung Chae

IPC: H04L29/06 ,  H04L9/32 ,  H04L9/08 ,  H04L9/14 ,  H04L9/30 ,  H04W12/06 ,  H04W12/04 ,  H04W4/70 ,  H04L9/12

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：US20200004180A1

公开(公告)日：2020-01-02

申请号：US16570627

申请日：2019-09-13

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Seung-beom YANG ,  Sung-dae KIM

IPC: G03G15/16 ,  B65H9/06 ,  B65H3/66 ,  B65H3/06 ,  B65H3/52 ,  B65H3/56 ,  G03G15/00 ,  G03G15/20

Abstract: A sheet supplying apparatus includes a cam gear to rotate about a first axis of rotation between first and second rotating positions, and an alignment member rotatable to an alignment position to block a fore-end of a sheet of a printing medium contained on a loading table, and a transport-allowing position to allow a sheet picked up by a pickup member to be transported, according to the rotating position of the cam gear. The sheet supplying apparatus includes a main gear to rotate about a second axis of rotation, a swing arm rotatable about the second axis of rotation, and first and second swing gears, supported by the swing arm, to selectively contact the cam gear according to a rotating direction of the main gear so as to rotate the cam gear between the first and second rotating positions.

公开(公告)号：US10509354B2

公开(公告)日：2019-12-17

申请号：US16210661

申请日：2018-12-05

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Sung Weon Song ,  Young Min Yoon

IPC: G03G15/00 ,  G03G21/00

Abstract: An image forming apparatus includes a sensor assembly having a window and a sensor which senses a developer through the window, and a shutter device which opens and closes the window, and thereby sensing in a sensible state is maintained, and a lifetime thereof is extendable.

公开(公告)号：US10509340B2

公开(公告)日：2019-12-17

申请号：US15476053

申请日：2017-03-31

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Youn-jae Kim ,  Ki-youn Lee

IPC: B41J2/385 ,  G03G15/01 ,  G03G15/00

Abstract: An image forming apparatus includes an image former to print on a printing paper a plurality of lines that are arranged at intervals in a main scanning direction and are vertical to the main scanning direction using different photosensitive drums, a scanner is to scan the printing paper on which the plurality of lines are printed to obtain a scanned image usable in a color registration correction.

公开(公告)号：US20190356787A1

公开(公告)日：2019-11-21

申请号：US16531802

申请日：2019-08-05

Applicant: HP Printing Korea Co., Ltd.

Inventor： Hyun-wook PARK ,  Sun-young PARK ,  Hyun-sub KIL

IPC: H04N1/00 ,  G06F9/455 ,  G06F8/38 ,  G06F3/12 ,  G03G15/00 ,  H04N1/32 ,  H04N1/23

Abstract: An image forming method and apparatus, 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.

公开(公告)号：US10469713B2

公开(公告)日：2019-11-05

申请号：US15410056

申请日：2017-01-19

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Kyeong-man Kim ,  Hyun-soo Oh ,  Seong-wook Han

IPC: H04N1/60 ,  H04N1/04

Abstract: An image forming apparatus and method thereof are provided. The image forming apparatus includes: a scanner configured to generate a scan image by scanning a document, a processor configured to generate color information of a medium representing content of the document using a predetermined area of the scan image, and to gamma-correct color of an entire area of the scan image based on the color information, and a printer configured to print the gamma-corrected scan image.

公开(公告)号：US20190180415A1

公开(公告)日：2019-06-13

申请号：US16325948

申请日：2017-06-16

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Hae-kee LEE ,  Jung-tag GONG ,  Chang-hyung LEE ,  Ho-keun LEE

IPC: G06T3/60 ,  H04N1/387

Abstract: An image forming apparatus, a scanned image correction method of an image forming apparatus, and a non-transitory computer-readable recording medium are provided. The image forming apparatus includes a scan unit to scan a document to generate a scanned image and a processor to detect a skew angle of the scanned image, determine a reference point on the basis of a position of a content in the scanned image, and rotate the scanned image around the determined reference point to correct the skew angle.