Patents by Inventor Soo-hwan Bae
Soo-hwan Bae has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10656578Abstract: 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: GrantFiled: April 26, 2019Date of Patent: May 19, 2020Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Ji Su Park, Soo Hwan Bae, Dong Woo Lee, Dong Jin Seol, Jun Tae Kim
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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: 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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Publication number: 20180203387Abstract: 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: ApplicationFiled: March 12, 2018Publication date: July 19, 2018Applicant: S-PRINTING SOLUTION CO., LTDInventors: Ji Su PARK, Soo Hwan BAE, Dong Woo LEE, Dong Jin SEOL, Jun Tae KIM
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Patent number: 10022986Abstract: A terminal receives contents to be written on a note by a user, a server stores and manages print data generated by a plurality of users and outputs the print data to an image forming apparatus which outputs the print data in the form of an adhesive note. The image forming apparatus includes a de-curl unit for correcting the curl of a recording medium and causes the recording medium on which printing is performed to be popped out through an outlet. The server communicates with a plurality of terminals and includes a control unit which generates a virtual conference space by assigning a storage address to the virtual conference space when a request of generating a virtual conference space and identification information on an image forming apparatus to be used in the virtual conference space from among the plurality of terminals is received.Type: GrantFiled: June 9, 2017Date of Patent: July 17, 2018Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Soo Hwan Bae, Naveen Maheshwari, Jeong Jin Park, Yu Jin Oh, Eun-Young Cho
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Patent number: 9952540Abstract: 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: GrantFiled: July 9, 2014Date of Patent: April 24, 2018Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Ji Su Park, Soo Hwan Bae, Dong Woo Lee, Dong Jin Seol, Jun Tae Kim
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Publication number: 20170274673Abstract: A terminal receives contents to be written on a note by a user, a server stores and manages print data generated by a plurality of users and outputs the print data to an image forming apparatus which outputs the print data in the form of an adhesive note. The image forming apparatus includes a de-curl unit for correcting the curl of a recording medium and causes the recording medium on which printing is performed to be popped out through an outlet. The server communicates with a plurality of terminals and includes a control unit which generates a virtual conference space by assigning a storage address to the virtual conference space when a request of generating a virtual conference space and identification information on an image forming apparatus to be used in the virtual conference space from among the plurality of terminals is received.Type: ApplicationFiled: June 9, 2017Publication date: September 28, 2017Applicant: S-PRINTING SOLUTION CO., LTD.Inventors: Soo Hwan BAE, Naveen MAHESHWARI, Jeong Jin PARK, Yu Jin OH, Eun-Young CHO
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Patent number: 9772590Abstract: A belt type fixing apparatus comprises: a fixing roller; a fixing belt which is installed to be opposite to the fixing roller; a nip forming member which is installed inside the fixing belt and supports the fixing belt so that the fixing belt can contact the fixing roller to form a fixing nip; a pair of sliding members which are installed to support both ends of the fixing belt and are rotated by the fixing belt; a pair of flange members which rotatably support the pair of sliding members; and a heat source which is installed inside the fixing belt and generates heat, wherein the rotation center of the pair of sliding members is located upstream in the transportation direction of printed matter compared to the rotation center of the fixing roller.Type: GrantFiled: December 23, 2014Date of Patent: September 26, 2017Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Jun-tae Kim, Seung-jun Lee, Dong-woo Lee, Dong-jin Seol, Soo-hwan Bae, Bong-hee Lee
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Patent number: 9701135Abstract: A terminal receives contents to be written on a note by a user, a server stores and manages print data generated by a plurality of users and outputs the print data to an image forming apparatus which outputs the print data in the form of an adhesive note. The image forming apparatus includes a de-curl unit for correcting the curl of a recording medium and causes the recording medium on which printing is performed to be popped out through an outlet. The server communicates with a plurality of terminals and includes a control unit which generates a virtual conference space by assigning a storage address to the virtual conference space when a request of generating a virtual conference space and identification information on an image forming apparatus to be used in the virtual conference space from among the plurality of terminals is received.Type: GrantFiled: January 29, 2016Date of Patent: July 11, 2017Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Soo Hwan Bae, Naveen Maheshwari, Jeong Jin Park, Yu Jin Oh, Eun-Young Cho
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Publication number: 20160327893Abstract: A belt type fixing apparatus comprises: a fixing roller; a fixing belt which is installed to be opposite to the fixing roller; a nip forming member which is installed inside the fixing belt and supports the fixing belt so that the fixing belt can contact the fixing roller to form a fixing nip; a pair of sliding members which are installed to support both ends of the fixing belt and are rotated by the fixing belt; a pair of flange members which rotatably support the pair of sliding members; and a heat source which is installed inside the fixing belt and generates heat, wherein the rotation center of the pair of sliding members is located upstream in the transportation direction of printed matter compared to the rotation center of the fixing roller.Type: ApplicationFiled: December 23, 2014Publication date: November 10, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun-tae KIM, Seung-jun LEE, Dong-woo LEE, Dong-jin SEOL, Soo-hwan BAE, Bong-hee LEE
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Publication number: 20160320729Abstract: 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: ApplicationFiled: July 9, 2014Publication date: November 3, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji Su PARK, Soo Hwan BAE, Dong Woo LEE, Dong Jin SEOL, Jun Tae KIM
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Publication number: 20160221363Abstract: A terminal receives contents to be written on a note by a user, a server stores and manages print data generated by a plurality of users and outputs the print data to an image forming apparatus which outputs the print data in the form of an adhesive note. The image forming apparatus includes a de-curl unit for correcting the curl of a recording medium and causes the recording medium on which printing is performed to be popped out through an outlet. The server communicates with a plurality of terminals and includes a control unit which generates a virtual conference space by assigning a storage address to the virtual conference space when a request of generating a virtual conference space and identification information on an image forming apparatus to be used in the virtual conference space from among the plurality of terminals is received.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Soo Hwan BAE, Naveen Maheshwari, Jeong Jin Park, Yu Jin Oh, Eun-Young Cho
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Patent number: 9360811Abstract: An image fixing device includes a heat source configured to generate heat, a fixing belt heated by the heat source and disposed to be rotatable, a rotational member disposed to be opposite to the fixing belt and to press a printing medium to the fixing belt, and a supporting member to support an inner circumferential surface of the fixing belt so as to form a fixing nip between the fixing belt and the rotational member and having a plurality of heat insulation grooves formed in a surface thereof so as to reduce thermal conductivity of the supporting member. By the configuration of the present general inventive concept, it is possible to prevent or minimize a heat loss of the fixing belt and thus to enhance image forming efficiency.Type: GrantFiled: July 21, 2014Date of Patent: June 7, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Soo Hwan Bae, Dong Woo Lee, Ji Su Park
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Publication number: 20150030362Abstract: An image fixing device includes a heat source configured to generate heat, a fixing belt heated by the heat source and disposed to be rotatable, a rotational member disposed to be opposite to the fixing belt and to press a printing medium to the fixing belt, and a supporting member to support an inner circumferential surface of the fixing belt so as to form a fixing nip between the fixing belt and the rotational member and having a plurality of heat insulation grooves formed in a surface thereof so as to reduce thermal conductivity of the supporting member. By the configuration of the present general inventive concept, it is possible to prevent or minimize a heat loss of the fixing belt and thus to enhance image forming efficiency.Type: ApplicationFiled: July 21, 2014Publication date: January 29, 2015Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Soo Hwan BAE, Dong Woo LEE, Ji Su PARK
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Patent number: 8874018Abstract: An image forming apparatus includes a fixing device that includes a heating unit which comprises a first heat source to heat an unfixed image on a print medium, and a pressing unit which forms a fixing nip by contacting the heating unit, where the pressing unit comprises a carbon nanotube heating layer as a second heat source to heat the unfixed image.Type: GrantFiled: September 13, 2012Date of Patent: October 28, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-woo Lee, Soo-hwan Bae
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Publication number: 20140161497Abstract: A fixing device and an image forming apparatus including the same are provided. The fixing device includes a rotatable endless belt passing through a fixing nip that is formed by a nip forming member and a backup member, and a first guide positioned inside the endless belt to guide the endless belt entering the fixing nip, wherein the first guide includes a first bent portion disposed at an upstream side of the fixing nip to support the endless belt and a second bent portion disposed at an upstream side of the first bent portion to support the endless belt, and a height of the second bent portion from the fixing nip is within a range of about 4% to about 10% of a height of the endless belt when being freely transformed.Type: ApplicationFiled: May 20, 2013Publication date: June 12, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong-woo LEE, Soo-hwan Bae
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Publication number: 20140119788Abstract: A fusing device having a structure which may improve fusing performance is provided. The fusing device includes a heating roller disposed to contact a surface of the recording medium to transfer heat thereto, an endless belt disposed to rotate together with the heating roller, and a pressing member to press an inner surface of the endless belt to allow a fusing nip to be formed between the heating roller and the endless belt. The heating roller includes a shaft formed in a cylindrical shape, a heat-generating layer disposed to surround the shaft and to generate heat to heat the recording medium passing through the fusing nip, an insulating layer disposed between the shaft and the heat-generating layer to electrically insulate the heat-generating layer and the shaft, and a release layer disposed to surround the heat-generating layer and adapted to prevent the recording medium passing through the fusing nip from sticking to the heating roller.Type: ApplicationFiled: October 29, 2013Publication date: May 1, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Sun Hyung LEE, Dong Woo Lee, Takashi Kidokoro, Soo Hwan Bae
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Patent number: 8644749Abstract: A surface heating type heating unit for a fixing device, and a fixing device and an image forming apparatus including the same. The surface heating type heating unit includes a planar heating element on an outer circumferential surface of a supporter having cylindrical shape, a power feeding terminal at each end of the supporter, and a connector disposed between the planar heating element and the power feeding terminal. The connector is formed on a first region on the power feeding terminal, and includes an adhesive material for adhering the planar heating element and the power feeding terminal, and a conductive material formed on a second region of the power feeding terminal excluding the first region.Type: GrantFiled: October 5, 2011Date of Patent: February 4, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jin-seung Choi, Youn-gun Jung, O-hyun Beak, Soo-hwan Bae, Young-hoon Han, Su-in Lee, Eun-bong Han
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Patent number: D785085Type: GrantFiled: July 23, 2015Date of Patent: April 25, 2017Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Sang In Lee, Seung Wook Jeong, Soo Hwan Bae, Yu Jin Oh
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Patent number: D788843Type: GrantFiled: July 23, 2015Date of Patent: June 6, 2017Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Sang In Lee, Seung Wook Jeong, Soo Hwan Bae, Yu Jin Oh