Patents by Inventor Ho-Ill Hyun
Ho-Ill Hyun 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: 8391729Abstract: A unit installable in an apparatus and a method of managing a unit installed in an apparatus are provided. The unit includes a container for a consumable, and a chip mounted to the container. The chip includes a first memory to store data that is accessible and decodable by the apparatus to authenticate the unit. The chip includes a second memory to store recycling prevention information.Type: GrantFiled: December 1, 2011Date of Patent: March 5, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-geun Kim, Hae-seog Jo, Ho-ill Hyun
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Patent number: 8385755Abstract: A fixing device and an image forming apparatus having the same, and a method of operating the fixing device, the fixing device being provided with a power interruption unit to prevent overheating of the fixing device by physically separating a fuse element from a power line and/or approximating a thermostat to a fixing member of the fixing device.Type: GrantFiled: December 7, 2009Date of Patent: February 26, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Ho Ill Hyun, Kwon Ho Yoon
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Publication number: 20120154878Abstract: An image scanning apparatus includes an illuminator to radiate light on an original image; an image sensor to scan image information of the original image from the light reflected from the original image, an image processor to perform image processing with respect to a signal scanned by the image sensor, and a memory to store data which is to be image-processed. The image sensor, the image processor, and the memory may also be disposed on one circuit board in the image scanning apparatus.Type: ApplicationFiled: July 28, 2011Publication date: June 21, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Kyung-hyun Son, Ho-Ill Hyun
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Publication number: 20120076511Abstract: A unit installable in an apparatus and a method of managing a unit installed in an apparatus are provided. The unit includes a container for a consumable, and a chip mounted to the container. The chip includes a first memory to store data that is accessible and decodable by the apparatus to authenticate the unit. The chip includes a second memory to store recycling prevention information.Type: ApplicationFiled: December 1, 2011Publication date: March 29, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Young-geun KIM, Hae-seog Jo, Ho-ill Hyun
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Patent number: 8130248Abstract: An image forming apparatus having a photosensitive element, is provided with a light source for scanning light to the photosensitive element; a light blocking member disposed in a light traveling path of the light from the light source and moving between a blocking position where the light blocking member blocks the light scanned from the light source and a withdrawal position where the light blocking member is withdrawn from the blocking position; a power supply unit for supplying electric power to the light source for scanning light; a power switch unit for regulating power supply from the power supply unit; and an operating part locating the light blocking member at the blocking position and controlling the power switch unit to cut off the power supply in a predetermined exposure condition. As a result, a user is kept from being exposed to the light from a light source.Type: GrantFiled: June 20, 2006Date of Patent: March 6, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-ill Hyun, Jae-yoon One, Yoon-soo Chung
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Patent number: 8090274Abstract: A consumable unit and an image forming apparatus for controlling a consumable include a first memory that stores consumable item information regarding the consumable and provides the consumable item information through password authentication, and a second memory that rewrites recycling prevention information, which indicates that recycling is impossible, a limited number of times.Type: GrantFiled: May 19, 2011Date of Patent: January 3, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-geun Kim, Hae-seog Jo, Ho-ill Hyun
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Publication number: 20110229154Abstract: A consumable unit and an image forming apparatus for controlling a consumable include a first memory that stores consumable item information regarding the consumable and provides the consumable item information through password authentication, and a second memory that rewrites recycling prevention information, which indicates that recycling is impossible, a limited number of times.Type: ApplicationFiled: May 19, 2011Publication date: September 22, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Yong-geun Kim, Hae-seog Jo, Ho-ill Hyun
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Patent number: 7970292Abstract: A consumable unit and an image forming apparatus for controlling a consumable includes a first memory that stores consumable item information regarding the consumable and provides the consumable item information through password authentication, and a second memory that rewrites recycling prevention information, which indicates that recycling is impossible, a limited number of times. Therefore, if the consumable is replaced, it is possible to prevent the first memory and second memory from being recycled.Type: GrantFiled: January 11, 2008Date of Patent: June 28, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-geun Kim, Hae-seog Jo, Ho-ill Hyun
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Publication number: 20100142978Abstract: A fixing device and an image forming apparatus having the same, and a method of operating the fixing device, the fixing device being provided with a power interruption unit to prevent overheating of the fixing device by physically separating a fuse element from a power line and/or approximating a thermostat to a fixing member of the fixing device.Type: ApplicationFiled: December 7, 2009Publication date: June 10, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Ho-Ill Hyun, Kwon Ho Yoon
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Patent number: 7593146Abstract: An image scanning device is provided including a sensor unit which carries an image sensor. The sensor unit is installed within a scanner body and is capable of reciprocating underneath a flat glass plate. The sensor unit has an image sensor and a cleaning unit arranged on a moving route of the sensor unit to remove static electricity as well as contaminants remaining on the image sensor when the cleaning unit contacts the image sensor.Type: GrantFiled: December 29, 2005Date of Patent: September 22, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-Ha Choi, Byung-Sun Ahn, Ho-Ill Hyun
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Publication number: 20080273883Abstract: A consumable unit and an image forming apparatus for controlling a consumable includes a first memory that stores consumable item information regarding the consumable and provides the consumable item information through password authentication, and a second memory that rewrites recycling prevention information, which indicates that recycling is impossible, a limited number of times. Therefore, if the consumable is replaced, it is possible to prevent the first memory and second memory from being recycled.Type: ApplicationFiled: January 11, 2008Publication date: November 6, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Yong-geun Kim, Hae-seog Jo, Ho-ill Hyun
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Publication number: 20080101805Abstract: An image forming apparatus includes a fixing unit having a fixing roller and a heating roller to fix a toner image on a printing medium and a heater to heat the heating roller, a power supply to supply power to the heater included in the fixing unit along a power supply line, a first switch operable to selectively supply the power from the power supply to the heater, a main controller arranged to control an operation of the first switch to maintain a temperature of the fixing unit within a predetermined fixing temperature range, a second switch operable to open the power supply line between the power supply and the heater, and an auxiliary controller arranged to control an operation of the second switch to open the power supply line if the temperature of the fixing unit is outside the predetermined fixing temperature range.Type: ApplicationFiled: July 5, 2007Publication date: May 1, 2008Applicant: Samsung Electronics Co., Ltd.Inventor: Ho-Ill HYUN
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Publication number: 20070024929Abstract: An image forming apparatus having a photosensitive element, is provided with a light source for scanning light to the photosensitive element; a light blocking member disposed in a light traveling path of the light from the light source and moving between a blocking position where the light blocking member blocks the light scanned from the light source and a withdrawal position where the light blocking member is withdrawn from the blocking position; a power supply unit for supplying electric power to the light source for scanning light; a power switch unit for regulating power supply from the power supply unit; and an operating part locating the light blocking member at the blocking position and controlling the power switch unit to cut off the power supply in a predetermined exposure condition. As a result, a user is kept from being exposed to the light from a light source.Type: ApplicationFiled: June 20, 2006Publication date: February 1, 2007Applicant: Samsung Electronics Co., Ltd.Inventors: Ho-ill Hyun, Jae-yoon One, Yoon-soo Chung
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Publication number: 20060227305Abstract: A multi-functional product is provided. Such a multi-functional product comprises a main body, a cover on which at least one hook is formed and to which an elastic force is applied in a direction to open the cover away from the main body, a locking lever that locks the cover in a closed position by connecting with the hook through an elastic force applied to the locking lever, and a releasing mechanism including one or more releasing devices that release the locking lever from the hook by rotating the locking lever.Type: ApplicationFiled: April 5, 2006Publication date: October 12, 2006Applicant: Samsung Electronics Co., Ltd.Inventors: Jae-hui Pee, Ho-Ill Hyun, Jae-yoon One, Yoon-soo Chung
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Publication number: 20060158698Abstract: An image scanning device is provided including a sensor unit which carries an image sensor. The sensor unit is installed within a scanner body and is capable of reciprocating underneath a flat glass plate. The sensor unit has an image sensor and a cleaning unit arranged on a moving route of the sensor unit to remove static electricity as well as contaminants remaining on the image sensor when the cleaning unit contacts the image sensor.Type: ApplicationFiled: December 29, 2005Publication date: July 20, 2006Inventors: Dong-Ha Choi, Byung-Sun Ahn, Ho-Ill Hyun