Patents by Inventor Woo-jong Cho

Woo-jong Cho 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: 10704732
    Abstract: A posture maintaining device for a 360° camera according to an embodiment of the present invention may comprise: a first correcting portion comprising a seating portion, on which a camera having a 360° view angle is seated, the first correcting portion being able to make a rotational movement about a first direction; a second correcting portion arranged on one side of the first correcting portion to be able to make a rotational movement about a second direction, which is different from the first direction; a third correcting portion arranged on the lower end of the second correcting portion to be able to make a rotational movement about a third direction, which is different from the first or second direction; and a counterbalance connected to the first correcting portion and configured to guide the camera so as to remain horizontal.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoon-Seok Kang, Bon-Min Koo, Min-Hyuk Nam, Sung-Jin Park, Jae-Kyu Shim, Hyun-Min Oh, Bae-Seok Lim, Woo-Jong Cho, Hee-Seung Choi
  • Patent number: 10404900
    Abstract: A photographing apparatus is provided. The photographing apparatus includes a photographing unit comprising a photographing sensor and a lens unit configured to focus image light onto the photographing sensor, a first driver configured to drive the photographing sensor to perform a first rotation about a first axis that is coincide with an optical axis of the lens unit, and a second driver configured to drive the photographing unit and the first driver to perform a second rotation about a second axis that is perpendicular to the first axis.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: September 3, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon-seok Kang, Jae-kyu Shim, Bae-seok Lim, Woo-jong Cho, Bon-min Koo
  • Publication number: 20190219224
    Abstract: A posture maintaining device for a 360° camera according to an embodiment of the present invention may comprise: a first correcting portion comprising a seating portion, on which a camera having a 360° view angle is seated, the first correcting portion being able to make a rotational movement about a first direction; a second correcting portion arranged on one side of the first correcting portion to be able to make a rotational movement about a second direction, which is different from the first direction; a third correcting portion arranged on the lower end of the second correcting portion to be able to make a rotational movement about a third direction, which is different from the first or second direction; and a counterbalance connected to the first correcting portion and configured to guide the camera so as to remain horizontal.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 18, 2019
    Applicant: Samsung Electronics Co.,Ltd.
    Inventors: Yoon-Seok KANG, Bon-Min KOO, Min-Hyuk NAM, Sung-Jin PARK, Jae-Kyu SHIM, Hyun-Min OH, Bae-Seok LIM, Woo-Jong CHO, Hee-Seung CHOI
  • Patent number: 10330886
    Abstract: An autofocus driving unit for moving a lens holder supporting at least one lens in an optical axis direction with respect to an image sensor. The autofocus driving unit includes: a lead screw that has a length in a direction parallel to an optical axis and rotates to move the lens holder in the optical axis direction; a first driving source that rotates the lead screw so that the lead screw moves in multiple integers of a first distance in the optical axis direction and that comprises a rotor mounted in an outer circumference of the lead screw and a stator that is spaced apart from the rotor and rotates the rotor; and a second driving source that moves the lead screw and the rotor in a first direction that is parallel to the optical axis with respect to the stator so that the lens holder is moved by a second distance that is different from the first distance in the optical axis direction.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: June 25, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-kyu Shim, Bon-min Koo, Woo-jong Cho
  • Patent number: 10326937
    Abstract: A horizontal-posture maintaining apparatus is provided. The apparatus includes a barrel, a cover unit provided on a side surface of the barrel, a first driver provided in the cover unit, for rotating the barrel in a first direction (around an X axis) to keep the barrel in horizontal posture, a second driver provided in the cover unit, for rotating the cover unit in a second direction (around a Y axis) to keep the barrel in the horizontal posture, and a controller for controlling rotation of the first and second drivers.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: June 18, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon-Seok Kang, Sung-Jin Park, Bae-Seok Lim, Bon-Min Koo, Jae-Kyu Shim, Woo-Jong Cho
  • Patent number: 9973061
    Abstract: A direct current (DC) motor including: a cylindrical frame, at least one end of which is open; a cylindrical end cover including an opening configured to block the at least one open end; a rotor including a rotor shaft supported by the frame and the end cover, and a rotor core installed on the rotor shaft; a commutator installed on the rotor shaft and arranged on one end of the rotor core; a cover unit installed on the rotor shaft, arranged between the rotor and the commutator, and including at least one location detection device; and a rotation detection unit installed in the end cover and configured to detect the at least one location detection device.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: May 15, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-kyu Shim, Woo-jong Cho, Bon-min Koo, Kun-woo Lee
  • Patent number: 9882461
    Abstract: A step motor includes a plurality of stator cores. Each of the stator cores have a coil unit coiled therearound. The step motor includes a rotor that includes a rotation shaft and a plurality of permanent magnets and is configured to rotate by magnetic interaction between the stator cores and the permanent magnets. The step motor also includes a plurality of conducting parts on one cross-sectional surface of the rotor. The step motor further includes a printed circuit board (PCB) including electric elements that are arranged at certain positions and are disposed to face the conducting parts. The conducting parts and the electric elements are configured to electrically or magnetically interact as the rotor rotates to change electrical signals generated by the electric elements.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: January 30, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-kyu Shim, Woo-jong Cho, Bon-min Koo
  • Publication number: 20170331999
    Abstract: A horizontal-posture maintaining apparatus is provided. The apparatus includes a barrel, a cover unit provided on a side surface of the barrel, a first driver provided in the cover unit, for rotating the barrel in a first direction (around an X axis) to keep the barrel in horizontal posture, a second driver provided in the cover unit, for rotating the cover unit in a second direction (around a Y axis) to keep the barrel in the horizontal posture, and a controller for controlling rotation of the first and second drivers.
    Type: Application
    Filed: April 27, 2017
    Publication date: November 16, 2017
    Inventors: Yoon-Seok KANG, Sung-Jin PARK, Bae-Seok LIM, Bon-Min KOO, Jae-Kyu SHIM, Woo-Jong CHO
  • Patent number: 9648307
    Abstract: A display apparatus and a display method of a display apparatus to which a 3D display film is attachable are provided. The display method according to various exemplary embodiments of the present general inventive concept includes sensing whether a 3D display film is attached to or detached from a display apparatus, automatically converting the display apparatus into a 3D mode when the 3D display film is attached to cover a display unit of the display apparatus, and automatically converting into a normal mode when the 3D display film is detached from the display apparatus.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun-woo Lee, Woo-jong Cho, Bon-min Koo, Jae-kyu Shim, Cheol-eun Jang, Hee-seung Choi
  • Publication number: 20170068068
    Abstract: An autofocus driving unit for moving a lens holder supporting at least one lens in an optical axis direction with respect to an image sensor. The autofocus driving unit includes: a lead screw that has a length in a direction parallel to an optical axis and rotates to move the lens holder in the optical axis direction; a first driving source that rotates the lead screw so that the lead screw moves in multiple integers of a first distance in the optical axis direction and that comprises a rotor mounted in an outer circumference of the lead screw and a stator that is spaced apart from the rotor and rotates the rotor; and a second driving source that moves the lead screw and the rotor in a first direction that is parallel to the optical axis with respect to the stator so that the lens holder is moved by a second distance that is different from the first distance in the optical axis direction.
    Type: Application
    Filed: December 11, 2014
    Publication date: March 9, 2017
    Inventors: Jae-kyu SHIM, Bon-min KOO, Woo-jong CHO
  • Publication number: 20170070116
    Abstract: A stepping motor according to various embodiments includes a rotatable shaft, and two or more engine units that are connected to the shaft, and each of the engine units has a rotor and a stator arranged at a circumference of the rotor.
    Type: Application
    Filed: September 4, 2016
    Publication date: March 9, 2017
    Inventors: Jae Kyu Shim, Bon Min Koo, Woo Jong Cho
  • Publication number: 20160337562
    Abstract: A photographing apparatus is provided. The photographing apparatus includes a photographing unit comprising a photographing sensor and a lens unit configured to focus image light onto the photographing sensor, a first driver configured to drive the photographing sensor to perform a first rotation about a first axis that is coincide with an optical axis of the lens unit, and a second driver configured to drive the photographing unit and the first driver to perform a second rotation about a second axis that is perpendicular to the first axis.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 17, 2016
    Inventors: Yoon-seok KANG, Jae-kyu SHIM, Bae-seok LIM, Woo-jong CHO, Bon-min KOO
  • Patent number: 9293976
    Abstract: A stepping motor includes a housing, a stator assembly, a rotor, and a sensor portion. The stator assembly is disposed inside the housing. The rotor is rotatably disposed inside the stator assembly and includes a rotation shaft, and opposite ends of the rotation shaft are supported by the housing. The sensor portion is disposed inside the housing and detects a magnetic field of the rotor.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: March 22, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kun-woo Lee, Jae-kyu Shim, Woo-jong Cho, Bon-min Koo
  • Publication number: 20160079839
    Abstract: A step motor includes a plurality of stator cores. Each of the stator cores have a coil unit coiled therearound. The step motor includes a rotor that includes a rotation shaft and a plurality of permanent magnets and is configured to rotate by magnetic interaction between the stator cores and the permanent magnets. The step motor also includes a plurality of conducting parts on one cross-sectional surface of the rotor. The step motor further includes a printed circuit board (PCB) including electric elements that are arranged at certain positions and are disposed to face the conducting parts. The conducting parts and the electric elements are configured to electrically or magnetically interact as the rotor rotates to change electrical signals generated by the electric elements.
    Type: Application
    Filed: September 8, 2015
    Publication date: March 17, 2016
    Inventors: Jae-kyu Shim, Woo-jong Cho, Bon-min Koo
  • Patent number: 9288477
    Abstract: A light path adjustment apparatus includes: a support plate with a first through hole through which light passes; a plurality of optical units, including first and second optical units, that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole and blocking at least a part of the light; and a rotation plate that has a second through hole corresponding to the first through hole and is rotatably disposed with respect to the support plate. The first and second optical units correspond to first and second regions of the first through hole, respectively, and are coupled to the support plate and the rotation plate, respectively.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki-oh Jung, Cheol-eun Jang, Sung-wook Choi, Woo-jong Cho
  • Patent number: 9261719
    Abstract: A liquid crystal shutter includes: a first plate including a first transparent electrode layer, a second plate disposed parallel to the first plate and including a second transparent electrode layer, a liquid crystal layer disposed between the first plate and the second plate and is configured to transmit or block light according to a first potential difference between the first transparent electrode layer and the second transparent electrode layer, and a heating electrode configured to generate a second potential difference for generating heat in the first transparent electrode layer.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: February 16, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-kyu Shim, Bon-min Koo, Yu-kyung Ham, Kun-woo Lee, Woo-jong Cho
  • Patent number: 9176362
    Abstract: An optical adjusting device includes: a rotating unit that includes and rotates about a through-hole through which light passes; at least one moving unit that is movably disposed relative to the rotating unit and is linearly movable between an advance position corresponding to the through-hole and a retreat position outside the through-hole; a transmitting unit that is disposed between the rotating unit and the moving unit and transmits a rotational force of the rotating unit to the moving unit; and an optical unit that is disposed on the moving unit and blocks at least part of light passing through the through-hole.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: November 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol-eun Jang, Hee-seung Choi, Kun-woo Lee, Woo-jong Cho, Sung-wook Choi
  • Publication number: 20150303775
    Abstract: A direct current (DC) motor including: a cylindrical frame, at least one end of which is open; a cylindrical end cover including an opening configured to block the at least one open end; a rotor including a rotor shaft supported by the frame and the end cover, and a rotor core installed on the rotor shaft; a commutator installed on the rotor shaft and arranged on one end of the rotor core; a cover unit installed on the rotor shaft, arranged between the rotor and the commutator, and including at least one location detection device; and a rotation detection unit installed in the end cover and configured to detect the at least one location detection device.
    Type: Application
    Filed: April 21, 2015
    Publication date: October 22, 2015
    Inventors: Jae-kyu Shim, Woo-jong Cho, Bon-min Koo, Kun-woo Lee
  • Patent number: 9140960
    Abstract: An apparatus for processing an image, including: a body; a lens module disposed on the body; and a control ring disposed on the lens module, wherein the control ring is configured to change a setting value of a setting item.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: September 22, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-jong Cho, Young-bae Kim, Se-hyun Park, Ja-yong Koo, Mun-cheol Choi, Yun-ho Lee
  • Publication number: 20150077033
    Abstract: A stepping motor includes a housing, a stator assembly, a rotor, and a sensor portion. The stator assembly is disposed inside the housing. The rotor is rotatably disposed inside the stator assembly and includes a rotation shaft, and opposite ends of the rotation shaft are supported by the housing. The sensor portion is disposed inside the housing and detects a magnetic field of the rotor.
    Type: Application
    Filed: May 30, 2014
    Publication date: March 19, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun-woo Lee, Jae-kyu Shim, Woo-jong Cho, Bon-min Koo