Patents by Inventor Ho Ji

Ho Ji 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).

  • Patent number: 9041859
    Abstract: An image sensor assembly includes: an image sensor; a support plate disposed on a back surface of the image sensor; a first frame which includes a first hole which is open allowing incident light onto the image sensor and is disposed on a front surface of the support plate to enclose at least a side edge of the image sensor; an optical filter disposed in the first hole to block a part of the incident light; a second frame which includes a second hole which is open to allow light to be incident onto the optical filter and is disposed in front of the first frame; a front plate which is disposed in front of the second hole to contact a front surface of at least a side edge of the second frame; and a vibrator which is combined with at least a side edge of the front plate.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: May 26, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-ho Ji, Chi-hun Hwang
  • Patent number: 8960364
    Abstract: Disclosed are a pinion sensor assembly and an electric power steering apparatus having the same. According to the present invention, it is possible to substantially reduce the number of constitutional elements to be assembled when assembling a torque sensor and neighboring elements, to reduce an error in change of torque caused by accumulation of assembling errors of the constitutional elements, thereby preventing a malfunction, and to enhance assemblability.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: February 24, 2015
    Assignee: Mando Corporation
    Inventor: Sung Ho Ji
  • Patent number: 8895900
    Abstract: The nano particle generator includes a body, a heating unit to heat a material received in the body such that the material is evaporated, a channel extending through the body such that a fluid to condense the evaporated material flows along the channel, and an insulating member to prevent heat generated from the heating unit from being transmitted to the body. The heating unit heats the material while the heating unit is in direct contact with the material, and the heating unit is in point or line contact with the insulating member. The heating unit has a plurality of locating parts formed therein such that the material is located in the locating parts. Different materials are located in the locating parts, and the locating parts are heated to temperatures at which the respective materials are evaporated in the same time.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: November 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Ho Ji, Hyung Soo Noh
  • Publication number: 20140132821
    Abstract: An image sensor assembly includes: an image sensor; a support plate disposed on a back surface of the image sensor; a first frame which includes a first hole which is open allowing incident light onto the image sensor and is disposed on a front surface of the support plate to enclose at least a side edge of the image sensor; an optical filter disposed in the first hole to block a part of the incident light; a second frame which includes a second hole which is open to allow light to be incident onto the optical filter and is disposed in front of the first frame; a front plate which is disposed in front of the second hole to contact a front surface of at least a side edge of the second frame; and a vibrator which is combined with at least a side edge of the front plate.
    Type: Application
    Filed: January 22, 2014
    Publication date: May 15, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-ho Ji, Chi-hun Hwang
  • Patent number: 8690998
    Abstract: An electric precipitator includes a charge unit disposed at an upstream part and a dust collection unit disposed at a downstream part, the charge unit includes charge electrodes and a discharge wire disposed between two neighboring charge electrodes and separated from the charge electrodes, the dust collection unit includes high voltage electrodes, front ends of which are opposite to the charge unit, and low voltage electrodes, front ends of which are opposite to the charge unit and which alternate with high voltage electrodes, and the front ends of high voltage electrodes protrude toward the charge unit as compared to the front ends of low voltage electrodes, thereby guiding electrons to the discharge electrodes due to an electric field formed between the front ends of the high voltage electrodes and the discharge electrodes and thus reducing current leakage through the low voltage electrodes.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: April 8, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Ho Ji, In Sang Hwang, Byeong Cheol Yoon, Jun Young Lee
  • Patent number: 8638391
    Abstract: An image sensor assembly includes: an image sensor; a support plate disposed on a back surface of the image sensor; a first frame which includes a first hole which is open allowing incident light onto the image sensor and is disposed on a front surface of the support plate to enclose at least a side edge of the image sensor; an optical filter disposed in the first hole to block a part of the incident light; a second frame which includes a second hole which is open to allow light to be incident onto the optical filter and is disposed in front of the first frame; a front plate which is disposed in front of the second hole to contact a front surface of at least a side edge of the second frame; and a vibrator which is combined with at least a side edge of the front plate.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: January 28, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-ho Ji, Chi-hun Hwang
  • Patent number: 8599308
    Abstract: A photographing apparatus includes an imaging device that converts an optical image of an object into an electrical signal; a vibration plate disposed at a front direction of the imaging device; a vibration generator which is mounted on the vibration plate and vibrates the vibration plate; a support frame which is located between the imaging device and the vibration plate, and supports edges of the vibration plate; and a vibration plate pressing unit which is connected in the support frame and includes a part which presses at least an area of the vibration plate.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: December 3, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-ho Ji, Chi-hun Hwang
  • Patent number: 8597415
    Abstract: Disclosed herein are an electric precipitator, which efficiently charges dust particles without lowering dust collecting efficiency, although a velocity of an air current is not uniform, and an air cleaner having the same. The electric precipitator includes a charger unit including at least two charge cells to charge dust particles contained in air, and a collector unit to collect the dust particles charged by the charger unit. The at least two charge cells include a first cell, through which the dust particles pass at a first velocity, and a second cell, through which the dust particles pass at a second velocity different from the first velocity.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: December 3, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyong Soo Noh, Jun Ho Ji, Kochiyama Yasuhiko, So Young Yun, Dong Woo Woo, Min Kyu Yeo
  • Patent number: 8512455
    Abstract: Disclosed herein is an electric precipitator including at least one high voltage electrode including a pair of film members made of a non-conductive material and attached to each other and an electrode layer disposed between the pair of film members, and at least one low voltage electrode disposed alternately with the at least one high voltage electrode such that that the at least one high voltage electrode and the at least one low voltage electrode are separated from each other. Support members made of an insulating member to maintain separation of the at least one high voltage electrode and the at least one low voltage electrode from each other are mounted on one of the at least one high voltage electrode and the at least one low voltage electrode.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: August 20, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kochiyama Yasuhiko, Hyong-Soo Noh, Jun Ho Ji, So Young Yun
  • Patent number: 8485307
    Abstract: A rack driving-type power assisted steering apparatus having effects of preventing a lock screw from being loosened due to vibration in axial and radial directions generated by a rack bar, a ball nut, and a rack housing when the rack bar slides while the ball nut rotates, reducing vibration and noise of the ball nut and the rack bar transferred through a bearing, and providing a driver with steering comfortability.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: July 16, 2013
    Assignee: Mando Corporation
    Inventors: Sung Ho Ji, Hong Yong Bhae
  • Patent number: 8470084
    Abstract: An electrode precipitator having a high voltage electrode and a low voltage electrode arranged apart from each other at a desired interval. The high voltage electrode includes a charging part which is positioned upstream of an air flow direction to charge a pollutant, and a dust collection part which is spaced from the charging part and positioned downstream of the air flow direction to precipitate the charged pollutant therein.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: June 25, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Ho Ji, Kochiyama Yasuhiko, Hyong Soo Noh, So Young Yun, Han Wook Cho
  • Patent number: 8349052
    Abstract: An electric precipitator prevents dielectric breakdown by ensuring the dielectric distance among a plurality of electrodes. The electric precipitator includes a charging section for charging dust particles in air, and a collecting section for collecting the dust particles charged by the charging section. The collecting section includes a high voltage electrode having a conductive layer coated with a dielectric layer, and a low voltage electrode having at least one protrusion that maintains a gap between the high voltage electrode and the low voltage electrode. The conductive layer includes at least one cutting part formed in an area corresponding to the protrusion.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: January 8, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyong Soo Noh, Kochiyama Yasuhiko, Jun Ho Ji, So Young Yun, Han Wook Cho
  • Publication number: 20120298439
    Abstract: Disclosed is a rack driving-type power assisted steering apparatus having effects of preventing a lock screw from being loosened due to vibration in axial and radial directions generated by a rack bar, a ball nut, and a rack housing when the rack bar slides while the ball nut rotates, reducing vibration and noise of the ball nut and the rack bar transferred through a bearing, and providing a driver with steering comfortability.
    Type: Application
    Filed: May 25, 2012
    Publication date: November 29, 2012
    Inventors: Sung Ho JI, Hong Yong Bhae
  • Publication number: 20120287335
    Abstract: A photographing apparatus includes an imaging device that converts an optical image of an object into an electrical signal; a vibration plate disposed at a front direction of the imaging device; a vibration generator which is mounted on the vibration plate and vibrates the vibration plate; a support frame which is located between the imaging device and the vibration plate, and supports edges of the vibration plate; and a vibration plate pressing unit which is connected in the support frame and includes a part which presses at least an area of the vibration plate.
    Type: Application
    Filed: October 27, 2011
    Publication date: November 15, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eun-ho Ji, Chi-hun Hwang
  • Patent number: 8228503
    Abstract: An apparatus for detecting a particle is disclosed. The apparatus for detecting a particle in a fluid in accordance with an embodiment of the present invention can include a first light source, which emits a first beam having a wavelength of a particular band toward the fluid, a second light source, which emits a second beam having a wavelength of a band that is different from that of the first beam, a first dichroic mirror, which is placed between the fluid and the first light source and allows the first beam to permeate and reflect the second beam toward the fluid, and a detecting unit, which detects a dispersed beam of the first beam and the second beam in the fluid. An embodiment of the invention can improve the reliability of detection by detecting a particle using a beam that has an optimal permeability according to the type of solution.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: July 24, 2012
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Taeg-Gyum Kim, Kwang-Ho Ji
  • Publication number: 20120160106
    Abstract: An electric precipitator includes a charge unit disposed at an upstream part and a dust collection unit disposed at a downstream part, the charge unit includes charge electrodes and a discharge wire disposed between two neighboring charge electrodes and separated from the charge electrodes, the dust collection unit includes high voltage electrodes, front ends of which are opposite to the charge unit, and low voltage electrodes, front ends of which are opposite to the charge unit and which alternate with high voltage electrodes, and the front ends of high voltage electrodes protrude toward the charge unit as compared to the front ends of low voltage electrodes, thereby guiding electrons to the discharge electrodes due to an electric field formed between the front ends of the high voltage electrodes and the discharge electrodes and thus reducing current leakage through the low voltage electrodes.
    Type: Application
    Filed: December 7, 2011
    Publication date: June 28, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Ho Ji, In Sang Hwang, Byeong Cheol Yoon, Jun Young Lee
  • Publication number: 20120050609
    Abstract: An image sensor assembly includes: an image sensor; a support plate disposed on a back surface of the image sensor; a first frame which includes a first hole which is open allowing incident light onto the image sensor and is disposed on a front surface of the support plate to enclose at least a side edge of the image sensor; an optical filter disposed in the first hole to block a part of the incident light; a second frame which includes a second hole which is open to allow light to be incident onto the optical filter and is disposed in front of the first frame; a front plate which is disposed in front of the second hole to contact a front surface of at least a side edge of the second frame; and a vibrator which is combined with at least a side edge of the front plate.
    Type: Application
    Filed: June 1, 2011
    Publication date: March 1, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eun-Ho Ji, Chi-Hun Hwang
  • Publication number: 20110242534
    Abstract: An apparatus for detecting a particle is disclosed. The apparatus for detecting a particle in a fluid in accordance with an embodiment of the present invention can include a first light source, which emits a first beam having a wavelength of a particular band toward the fluid, a second light source, which emits a second beam having a wavelength of a band that is different from that of the first beam, a first dichroic mirror, which is placed between the fluid and the first light source and allows the first beam to permeate and reflect the second beam toward the fluid, and a detecting unit, which detects a dispersed beam of the first beam and the second beam in the fluid. An embodiment of the invention can improve the reliability of detection by detecting a particle using a beam that has an optimal permeability according to the type of solution.
    Type: Application
    Filed: August 17, 2010
    Publication date: October 6, 2011
    Inventors: Taeg-Gyum KIM, Kwang-Ho Ji
  • Patent number: 7923158
    Abstract: A fuel cell system capable of preventing reaction efficiency from being reduced although, the activity of an oxidation catalyst bed is deteriorated due to continuous operation. The fuel cell system includes a reformer which generates a fuel gas through a reforming reaction, a carbon monoxide purifier which includes a reactor main body having an inlet into which a reformed fuel gas is introduced and an outlet through which a purified fuel gas is discharged, and an oxidation catalyst bed that is filled in the reactor main body, and reduces a concentration of carbon monoxide contained in the fuel gas generated from the reformer, at least one electricity generator which is supplied with the fuel gas from the carbon monoxide purifier, and which generates electricity by means of a chemical reaction, and a catalyst supply which generates catalyst particles from material and supplying the catalyst particles to the oxidation catalyst bed.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: April 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jun Ho Ji
  • Publication number: 20110079176
    Abstract: An apparatus for manufacturing an electrode for fuel cells that are capable of manufacturing an electrode in which micro catalyst particles are uniformly dispersed through a simple manufacturing process. The electrode manufacturing method includes disposing at least one heating unit to heat a material, evaporating the material using the at least one heating unit to create catalyst particles, and supplying and attaching the created catalyst particles to a carbon carrier. The electrode manufacturing apparatus includes a process chamber, a catalyst particle generator mounted in the process chamber, the catalyst particle generator directly heating a material to create catalyst particles, and a transfer device to transfer a carbon carrier disposed in the process chamber.
    Type: Application
    Filed: November 29, 2010
    Publication date: April 7, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jun Ho Ji