Patents by Inventor Myoung-su Baek
Myoung-su Baek 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: 9005093Abstract: A roller includes a shaft including reinforcing fiber and a binder resin; and an elastic body surrounding an outer surface of the shaft, wherein an average length to average diameter ratio (L/D) of the reinforcing fiber is from about 15,000:1 to about 50,000:1.Type: GrantFiled: February 7, 2012Date of Patent: April 14, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Soon-nam Kim, Hee-won Jung, Moon-young Kim, Dong-jin Park, Myoung-su Baek, Yong-hoon Lee
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Publication number: 20130156471Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.Type: ApplicationFiled: February 7, 2013Publication date: June 20, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong In KIM, Myoung Su BAEK, Oh Dug GWON
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Patent number: 8396396Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.Type: GrantFiled: August 14, 2012Date of Patent: March 12, 2013Assignee: SAMSUNG Electronics Co., Ltd.Inventors: Jong In Kim, Myoung Su Baek, Oh Dug Gwon
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Publication number: 20120308271Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.Type: ApplicationFiled: August 14, 2012Publication date: December 6, 2012Applicant: Samsung Electronics Co., LtdInventors: Jong In KIM, Myoung Su Baek, Oh Dug Gwon
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Patent number: 8270878Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.Type: GrantFiled: December 30, 2010Date of Patent: September 18, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jong In Kim, Myoung Su Baek, Oh Dug Gwon
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Publication number: 20120201572Abstract: A roller includes a shaft including reinforcing fiber and a binder resin; and an elastic body surrounding an outer surface of the shaft, wherein an average length to average diameter ratio (L/D) of the reinforcing fiber is from about 15,000:1 to about 50,000:1.Type: ApplicationFiled: February 7, 2012Publication date: August 9, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Soon-nam Kim, Hee-won Jung, Moon-young Kim, Dong-jin Park, Myoung-su Baek, Yong-hoon Lee
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Patent number: 8055150Abstract: An image forming apparatus includes an image carrier, an exposure unit to form a latent image on the image carrier by light, and a particle entering prevention device to prevent particles from entering an optical path between the exposure unit and the image carrier. The particle entering prevention device includes a particle storage unit disposed in a vicinity of the optical path, to store the particles therein.Type: GrantFiled: September 8, 2008Date of Patent: November 8, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jong In Kim, Myoung Su Baek, Sung Gi Kim, Ho jin Jang
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Patent number: 7937037Abstract: A cleaning apparatus include a cleaning member to remove a waste toner remaining in a photoconductive medium and a housing to support the cleaning member, including a waste toner admission portion to provide a transfer path of the waste toner removed by the cleaning member, and a waste toner collecting portion to store the waste toner. The housing has a first thickness corresponding to the waste toner admission portion and a second thickness corresponding to the waste toner collecting portion so that the first thickness is smaller than the second thickness.Type: GrantFiled: August 23, 2007Date of Patent: May 3, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-chan Park, Myoung-su Baek, Soon-seok Kwon
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Publication number: 20110097114Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.Type: ApplicationFiled: December 30, 2010Publication date: April 28, 2011Applicant: Samsung Electronics Co., LtdInventors: Jong In KIM, Myoung Su Baek, Oh Dug Gwon
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Patent number: 7917054Abstract: An image developing apparatus includes an upper case; a lower case disposed on a lower side of the upper case, and internally housing a developing agent, and having an opening. A photoconductive drum is disposed on the upper case for forming an electrostatic latent image on a surface thereof. A charging roller is disposed on one side of an outer circumference of the photoconductive drum for charging the photoconductive drum. A developing roller having one part is exposed through the opening of the lower case to cooperate with the photoconductive drum for developing the electrostatic latent image. A scattering preventing unit disposed between the photoconductive drum and the developing roller, to prevent scattering of the developing agent supplied by the developing roller. The scattering preventing unit includes a blocking curtain which covers a part of the opening and having one side in contact with the outer circumference of the photoconductive drum.Type: GrantFiled: September 14, 2009Date of Patent: March 29, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-chan Park, Myoung-su Baek, Soon-seok Kwon
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Patent number: 7885580Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.Type: GrantFiled: September 5, 2008Date of Patent: February 8, 2011Assignee: Samsung Electronics Co., LtdInventors: Jong In Kim, Myoung Su Baek, Oh Dug Gwon
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Patent number: 7840171Abstract: A developing unit includes a waste toner housing having an upper housing and a lower housing which face each other, at least one support unit to allow connection between the upper and lower housings, and to support facing surfaces of the upper and lower housings, and a toner housing which is disposed on a lower part of the waste toner housing and is spaced apart from the waste toner housing at a predetermined distance. Accordingly, the waste toner housing is prevented from being deformed by heat and pressure, and thus white lines on images, flowback of waste toner and insufficient cleaning, which are caused by interference with the light path due to deformation of the waste toner housing, can be reduced. Additionally, tolerance can be greatly reduced as a result of resolving the problem of deformation of the waste toner housing, so a developing unit having a smaller size can be provided.Type: GrantFiled: October 18, 2007Date of Patent: November 23, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-in Kim, Myoung-su Baek, Soon-seok Kwon
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Patent number: 7764904Abstract: An image forming apparatus having the improved construction and mounting structure of a device for charging paper to be attached to a paper feed body is disclosed. The image forming apparatus includes a plurality of developing devices and a paper feed body which is mounted opposite to the plurality of developing devices and rotates to feed paper. A sheet member is mounted to a developing device of the plurality of developing devices, which is disposed on an uppermost paper stream side in a feeding direction of the paper. The sheet member charges the paper as it advances to the paper feed body to attach the paper to the paper feed body. The image forming apparatus further includes a voltage transmission part which transmits high voltage to the sheet member.Type: GrantFiled: November 16, 2007Date of Patent: July 27, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jong In Kim, Myoung Su Baek
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Patent number: 7646995Abstract: A waste toner transfer device of an image forming apparatus includes a waste toner transfer unit which is disposed in proximity to a cleaning member to transfer waste toner removed from a photoconductive medium by the cleaning member, and includes a plurality of protrusions at one end, a driving unit which horizontally reciprocates the waste toner transfer unit, and a plurality of ribs which constrain the plurality of protrusions when the waste toner transfer unit moves, so that the waste toner transfer unit vibrates vertically.Type: GrantFiled: October 17, 2007Date of Patent: January 12, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-in Kim, Myoung-su Baek
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Publication number: 20100003049Abstract: An image developing apparatus includes an upper case; a lower case disposed on a lower side of the upper case, and internally housing a developing agent, and having an opening. A photoconductive drum is disposed on the upper case for forming an electrostatic latent image on a surface thereof. A charging roller is disposed on one side of an outer circumference of the photoconductive drum for charging the photoconductive drum. A developing roller having one part is exposed through the opening of the lower case to cooperate with the photoconductive drum for developing the electrostatic latent image. A scattering preventing unit disposed between the photoconductive drum and the developing roller, to prevent scattering of the developing agent supplied by the developing roller. The scattering preventing unit includes a blocking curtain which covers a part of the opening and having one side in contact with the outer circumference of the photoconductive drum.Type: ApplicationFiled: September 14, 2009Publication date: January 7, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-chan PARK, Myoung-su BAEK, Soon-seok KWON
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Patent number: 7609994Abstract: An image developing apparatus includes an upper case; a lower case disposed on a lower side of the upper case, and internally housing a developing agent, and having an opening. A photoconductive drum is disposed on the upper case for forming an electrostatic latent image on a surface thereof. A charging roller is disposed on one side of an outer circumference of the photoconductive drum for charging the photoconductive drum. A developing roller having one part is exposed through the opening of the lower case to cooperate with the photoconductive drum for developing the electrostatic latent image. A scattering preventing unit disposed between the photoconductive drum and the developing roller, to prevent scattering of the developing agent supplied by the developing roller. The scattering preventing unit includes a blocking curtain which covers a part of the opening and having one side in contact with the outer circumference of the photoconductive drum.Type: GrantFiled: April 18, 2008Date of Patent: October 27, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-chan Park, Myoung-su Baek, Soon-seok Kwon
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Publication number: 20090245890Abstract: An image forming apparatus and a developer thereof includes a developer frame to store a developing agent, a developing device rotatably mounted to the developer frame, a support member mounted to the developer frame, and a regulating member having a first end fixed to the support member, and a second end opposite to the first end, the second end installed in a trail-type manner. The support member includes a plurality of bending portions bent to reinforce a strength of the support member. A trail-type regulating device improved to maintain a sufficient strength and a sufficient elasticity is also disclosed. The regulating device allows the developing agent layer attached to the developing device can be uniform.Type: ApplicationFiled: September 11, 2008Publication date: October 1, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Seung Chan Park, Joon Hee Kim, Myoung Su Baek, Ho jin Jang
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Publication number: 20090214251Abstract: An image forming apparatus includes an image carrier, an exposure unit to form a latent image on the image carrier by light, and a particle entering prevention device to prevent particles from entering an optical path between the exposure unit and the image carrier. The particle entering prevention device includes a particle storage unit disposed in a vicinity of the optical path, to store the particles therein.Type: ApplicationFiled: September 8, 2008Publication date: August 27, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Jong In KIM, Myoung Su Baek, Sung Gi Kim, Ho Jin Jang
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Publication number: 20090214263Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.Type: ApplicationFiled: September 5, 2008Publication date: August 27, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong In KIM, Myoung-Su BAEK, Oh Dug GWON
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Patent number: 7558512Abstract: A toner cartridge horizontally installed in an electrophotographic printer having a photoreceptor drum where an electrostatic latent image is formed by charging and exposure, and contributing to toner supply and development by being fixedly coupled to in the electrophotographic printer. The toner cartridge includes a housing filled with toner of a predetermined color, a development roller rotatably installed on the housing to face the photoreceptor drum and to supply the toner to the photoreceptor drum to develop an image by a difference in electrical potential, a supply roller rotatably installed in the housing in contact with the development roller and to control the toner to adhere to the development roller, and a guide member coupled to the housing to be disposed under the supply roller and to guide supply of the toner. When a diameter of the development roller is D2, the diameter D2 satisfies an inequality that 10.4?D2?22.1 mm.Type: GrantFiled: April 1, 2008Date of Patent: July 7, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Sam-seok Choi, Dong-hoon Park, Myoung-su Baek, Seung-yoon Lee