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公开(公告)号：US11295415B2
公开(公告)日：2022-04-05
申请号：US16325948
申请日：2017-06-16
发明人： Hae-kee Lee , Jung-tag Gong , Chang-hyung Lee , Ho-keun Lee
摘要： 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.
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公开(公告)号：US11117761B2
公开(公告)日：2021-09-14
申请号：US16474448
申请日：2018-01-05
发明人： Eiji Aoki , Jin Soo Lee
摘要： A sheet feeding apparatus includes a sheet stacker to stack at least one sheet; a sheet feed roller disposed at one side of the sheet stacker and to feed a sheet fed from the sheet stacker; a multi-feed prevention roller disposed to face the sheet feed roller and to prevent multi-feed of the sheet fed from the sheet stacker; a magnetic torque limiter disposed coaxially with the multi-feed prevention roller; a hall sensor disposed at one side of the magnetic torque limiter and to detect rotation of the magnetic torque limiter; and a controller configured to rotate the sheet feed roller in a state in which the sheet feed roller and the multi-feed prevention roller are in contact with each other without a sheet and to identify a lifetime of the multi-feed prevention roller by using a signal output from the hall sensor.
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公开(公告)号：US20210109477A1
公开(公告)日：2021-04-15
申请号：US16500484
申请日：2018-05-10
发明人： Hwikyeong AN , Suwhan KIM , Jinho PARK
摘要： A hinge apparatus is provided. The hinge apparatus includes a rotation axis device configured to pivotably support a part of a display, and a free stop hinge device configured to pivotably support an other part of the display coaxially spaced apart from the part of the display. The rotation axis device includes a curved protrusion for controlling an eccentricity between a central axis line of the rotation axis device and a central axis line of the free stop hinge device.
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4.发明授权公开(公告)号：US10474406B2
公开(公告)日：2019-11-12
申请号：US13968649
申请日：2013-08-16
发明人： Jeong-jin Park
IPC分类号： G06F3/12
摘要： A method of printing at least one of contents shared between applications installed in an operating system (OS), and a computing apparatus to perform the method. According to the method, a printing application is executed by activating a companion window according to a share action requested to share the content being used in a source application, and a printing operation is performed through the activated companion window.
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公开(公告)号：US10466626B2
公开(公告)日：2019-11-05
申请号：US15641711
申请日：2017-07-05
发明人： Seung-beom Yang , Sung-dae Kim
摘要： A sheet supplying apparatus includes an alignment member pivotable to an alignment location for blocking and aligning fore-ends of media contained on a loading table, and a transport-allowing location for allowing a medium picked up by a pickup member to be transported, a cam gear including a gear portion partially including a tooth-omitted portion, and a cam portion for switching the alignment member between the alignment location and the transport-allowing location at first and second rotating locations, a swing arm pivotable about a same axis as a rotation axis of a main gear, and first and second swing gears supported by the swing arm to interlock with the main gear, selectively interlocking with the gear portion according to a rotating direction of the main gear, and rotating the cam gear to the first and second rotating locations.
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公开(公告)号：US10466621B2
公开(公告)日：2019-11-05
申请号：US16050805
申请日：2018-07-31
发明人： Ho-jin Jang , Young-chae Kim , Yun-kyu Sim , Gun-soo Chang
摘要： A developing cartridge includes: a photosensitive unit; a developing unit coupled to the photosensitive unit to be movable between a release position and a developing position; an elastic member to provide an elastic force in a direction to maintain the developing unit at the developing position; a movable member including a gear portion, the movable member and capable of moving to a first position to move the developing unit to the release position and second position to move the developing unit to the developing position; and a switching member connected to a driving gear, wherein as the driving gear rotates in a first direction or a second direction, the switching member is switched between a third position at which the switching member is connected to the gear portion to move the movable member from the second position to the first position and a fourth position at which the switching member is spaced apart from the gear portion to allow the movable member to move from the first position to the second position.
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公开(公告)号：US10437191B2
公开(公告)日：2019-10-08
申请号：US15111985
申请日：2015-01-15
发明人： Myung Sik Kwon , Leonid Chechurin , Jung Hyeon Kim , Yury Telegin , Dong Ho Kim
摘要： Disclosed herein is an image forming apparatus having a structure improved such that a user easily opens and closes a printing media cassette. The image forming apparatus includes an apparatus body, a printing media cassette to receive printing media, the printing media cassette being movably coupled to the apparatus body, and at least one lever movably disposed in the apparatus body, the lever contacting the printing media cassette to pull the printing media cassette into the apparatus body and then being separated from the printing media cassette when the printing media cassette is closed.
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8.发明申请公开(公告)号：US20190258194A1
公开(公告)日：2019-08-22
申请号：US16312932
申请日：2017-03-08
IPC分类号： G03G15/16
摘要： 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.
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公开(公告)号：US10306087B2
公开(公告)日：2019-05-28
申请号：US16018467
申请日：2018-06-26
发明人： Dong-ha Choi
IPC分类号： H04N1/00 , G03G15/00 , B41J29/13 , E05D7/00 , E06B3/34 , E05D3/02 , E05D11/00 , E05D11/02 , E05D11/08 , E05F5/00 , E05F1/12
摘要： 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.
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公开(公告)号：US10289879B2
公开(公告)日：2019-05-14
申请号：US14288665
申请日：2014-05-28
发明人： Wu-seok Jang , Naveen Maheshwari , Hak-ju Lee
摘要： 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.
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