Patents by Inventor Dong-Seok Lee

Dong-Seok Lee 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: 8850333
    Abstract: A mobile terminal and display controlling method thereof are disclosed. The present invention includes storing user registration information registered at each of one or more websites, receiving an input of a command signal for providing the user registration information, and displaying a registration information indicator corresponding to each of the one or more websites. Displaying the registration information indicator includes displaying the stored user registration information registered at the corresponding website within the registration information indicator.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: September 30, 2014
    Assignee: LG Electronics Inc.
    Inventors: Yoo Mee Song, Byung Sang Yeo, Seong Yoon Cho, Yee Rang Yun, Hye Youn Cho, Dong Seok Lee
  • Patent number: 8832586
    Abstract: A mobile terminal including a wireless communication unit configured to transmit and receive signals to and from a network or Internet site; and a controller operatively connected to the wireless communication unit and configured to set an automatic login region or time period within the mobile terminal for automatically logging into the network or Internet site, to determine whether or not the mobile terminal has entered or exited the automatic login region or time period and generate a corresponding determination result, and to automatically log into the network or Internet site if the determination result indicates that the mobile terminal has entered the automatic login region or time period.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: September 9, 2014
    Assignee: LG Electronics Inc.
    Inventors: Yoo Mee Song, Byung Sang Yeo, Seong Yoon Cho, Yee Rang Yun, Hye Youn Cho, Dong Seok Lee
  • Publication number: 20140238356
    Abstract: Disclosed is a variable compression ratio control system configured to change a top dead center of a piston in an engine according to an operation state of the engine. The control system may include a motor provided as a power source, a control shaft coupled to the piston, wherein the control shaft changes the top dead center of the piston by a rotation of the control shaft, a driving shaft connected to the motor and to be rotated by the motor, an operation unit movable in a shaft direction of the driving shaft by a rotation of the driving shaft, and an operation link protruding from one portion of an exterior circumferential surface of the control shaft, wherein the operation unit is connected with the operation link so that the operation link rotates the control shaft while the operation unit moves in the shaft direction of the driving shaft.
    Type: Application
    Filed: December 6, 2013
    Publication date: August 28, 2014
    Applicant: Hyundai Motor Company
    Inventors: Yoonsik Woo, Jin Kook Kong, Ju Hun Lee, Eun Ho Lee, Dong Seok Lee, Soo Hyung Woo
  • Patent number: 8757112
    Abstract: A variable compression ratio apparatus mounted on an engine may include an eccentric bearing assembly engaged with the piston through a piston pin, and including an eccentric ring having an eccentric hole so that the piston pin may be rotatably installed therethrough while being eccentric to the eccentric ring, and an eccentric link connected to the eccentric ring to transfer rotation force to the eccentric ring, a first connecting rod rotatably installed at an one side in an axial direction of the eccentric ring, a second connecting rod rotatably installed at the other side in the axial direction of the eccentric ring, and a control shaft connected to the eccentric link to rotate the eccentric bearing assembly by transferring the rotation force to the eccentric ring.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: June 24, 2014
    Assignee: Hyundai Motor Company
    Inventors: Eun Ho Lee, Jin Kook Kong, Dong Seok Lee, Soo Hyung Woo, Yoonsik Woo
  • Publication number: 20140160397
    Abstract: A backlight unit and a liquid crystal display device having the same which may facilitate control of output light through a light guide plate, improve light concentration effect, and reduce moire. The backlight unit includes light sources generating light, a light guide plate guiding light through an incidence surface opposite the light sources, emitting the light through an emission surface, and having lower patterns of a prism shape formed on the lower surface of the light guide plate opposite the emission surface by inclined surfaces and sub-inclined surfaces, and at least one optical sheet stacked on the emission surface.
    Type: Application
    Filed: November 26, 2013
    Publication date: June 12, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hee-Cheoul Kim, Ju-Young Bang, Dong-Seok Lee, Yeong-Eun Son, Min-Gyu Choi
  • Patent number: 8733302
    Abstract: A variable compression ratio apparatus may include a crankshaft, a connecting rod, first and second eccentric links mounted at both sides of the connection rod, respectively, and having one ends at which the piston pin may be eccentrically and rotatably installed, a swing link of which one end may be branched into two parts to form first and second branches, the first and second branches being connected to the other ends of the first and second eccentric links, and a control device connected to the other end of the swing link to control the swing link, wherein the crank arm includes guide surfaces formed in a predetermined thickness at an inner circumferential surface of the crank arm so that the first and second branches of the swing link slide to move between the guide surfaces.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: May 27, 2014
    Assignee: Hyundai Motor Company
    Inventors: Yoonsik Woo, Jin Kook Kong, Dong Seok Lee, Eun Ho Lee, Soo Hyung Woo
  • Patent number: 8724004
    Abstract: A mobile terminal and its tag editing method are provided. The tag editing method of a mobile terminal includes operating a camera, displaying a preview image inputted via the camera on a preview screen, entering a tag editing mode from the preview screen, editing tag information in the tag editing mode, capturing an image by the camera after editing the tag information, tagging the edited tag information to the captured image to form a tagged image; and displaying the tagged image.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: May 13, 2014
    Assignee: LG Electronics Inc.
    Inventors: Yoo-Mee Song, Byung-Sang Yeo, Seong-Yoon Cho, Yee-Rang Yun, Hye-Youn Cho, Dong-Seok Lee
  • Patent number: 8720395
    Abstract: A variable compression ratio apparatus may include a connecting rod having a small end portion having an eccentric bearing installation hole, a large end portion rotatably connected to the crank shaft, and a space portion formed in a longitudinal direction of the connecting rod and communicated with the eccentric bearing installation hole, a piston pin fixedly, an eccentric bearing rotatably engaged to the eccentric bearing installation hole and coupled to the piston pin through a pin installation hole of the eccentric bearing, wherein the piston pin may be offset from a center axis of the eccentric bearing, an eccentric link connected to the eccentric bearing, a variable link rotatably connected to the eccentric link, a control link rotatably connected to the variable link, and a control shaft provided in the control link to rotate the control link, wherein the eccentric link may be rotated within the space portion.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: May 13, 2014
    Assignee: Hyundai Motor Company
    Inventors: Eun Ho Lee, Jin Kook Kong, Dong Seok Lee, Soo Hyung Woo, Yoonsik Woo
  • Publication number: 20140123957
    Abstract: A variable compression ratio apparatus may include a crankshaft, a connecting rod, first and second eccentric links mounted at both sides of the connection rod, respectively, and having one ends at which the piston pin may be eccentrically and rotatably installed, a swing link of which one end may be branched into two parts to form first and second branches, the first and second branches being connected to the other ends of the first and second eccentric links, and a control device connected to the other end of the swing link to control the swing link, wherein the crank arm includes guide surfaces formed in a predetermined thickness at an inner circumferential surface of the crank arm so that the first and second branches of the swing link slide to move between the guide surfaces.
    Type: Application
    Filed: December 10, 2012
    Publication date: May 8, 2014
    Applicant: Hyundai Motor Company
    Inventors: Yoonsik WOO, Jin Kook KONG, Dong Seok LEE, Eun Ho LEE, Soo Hyung WOO
  • Publication number: 20140096747
    Abstract: A variable compression ratio apparatus includes: a piston defining a combustion chamber, a connecting rod connected to the piston; an eccentric link eccentrically connected to the piston, a swing link connected to the eccentric link so as to rotate the eccentric link, a crankpin to which the connecting rod is connected, and a crank web disposed at both sides of the crankpin and provided with a guide portion for guiding downward motions of the eccentric link and the swing link when the eccentric link and the swing link move downward. Thereby, the downward motions of the eccentric link and the swing link are stabilized.
    Type: Application
    Filed: December 12, 2012
    Publication date: April 10, 2014
    Applicant: Hyundai Motor Company
    Inventors: Yoonsik WOO, Jin Kook KONG, Dong Seok LEE, Eun Ho LEE, Soo Hyung Woo
  • Patent number: 8667934
    Abstract: An engine may include a crankshaft, a piston, a connecting rod that connects a crank pin of the crankshaft with the piston, and a compression ratio variable device that varies a distance between the piston and the crank pin, wherein the compress ratio variable device includes: a block cover mounted on an outside of the engine block and a cover journal portion and a worm wheel mounting space are formed therein, a control shaft contacting the cover journal portion and an operating arm protruding from an exterior circumference of the control shaft, and a motor portion, wherein a worm connected to the motor portion is mounted to the block cover, the worm being engaged with the worm wheel so as to rotate the control shaft according to the motor portion, wherein a distance between the piston and the crank pin is varied by a rotation of the control shaft.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: March 11, 2014
    Assignee: Hyundai Motor Company
    Inventors: Yoonsik Woo, Jin Kook Kong, Dong Seok Lee, Eun Ho Lee, Soo Hyung Woo
  • Publication number: 20140020660
    Abstract: A variable compression ratio apparatus may include a connecting rod having a small end portion having an eccentric bearing installation hole, a large end portion rotatably connected to the crank shaft, and a space portion formed in a longitudinal direction of the connecting rod and communicated with the eccentric bearing installation hole, a piston pin fixedly, an eccentric bearing rotatably engaged to the eccentric bearing installation hole and coupled to the piston pin through a pin installation hole of the eccentric bearing, wherein the piston pin may be offset from a center axis of the eccentric bearing, an eccentric link connected to the eccentric bearing, a variable link rotatably connected to the eccentric link, a control link rotatably connected to the variable link, and a control shaft provided in the control link to rotate the control link, wherein the eccentric link may be rotated within the space portion.
    Type: Application
    Filed: December 11, 2012
    Publication date: January 23, 2014
    Applicant: Hyundai Motor Company
    Inventors: Eun Ho LEE, Jin Kook KONG, Dong Seok LEE, Soo Hyung WOO, Yoonsik WOO
  • Publication number: 20140014071
    Abstract: A variable compression ratio apparatus mounted on an engine configured to receive combustion force of a mixer from a piston to rotate a crankshaft, and configured to change a compression ratio of the mixer may include an eccentric bearing assembly connected with the piston through a piston pin, and including an eccentric ring including an eccentric hole through which the piston pin passes so that the piston pin may be rotatably installed while being eccentric to the eccentric ring, and an eccentric link connected to the eccentric ring to transfer rotation force thereof to the eccentric ring, a connecting rod including one end provided with a mounting hole into which the eccentric ring may be rotatably inserted, a central portion provided with an operation hole, wherein the eccentric link may be movable through the operation hole, and the other end rotatably connected to the crankshaft while being eccentric to the crankshaft, and a control shaft connected to the eccentric link and configured to rotate the ecce
    Type: Application
    Filed: December 20, 2012
    Publication date: January 16, 2014
    Applicant: Hyundai Motor Company
    Inventors: Eun Ho LEE, Jin Kook KONG, Dong Seok LEE, Soo Hyung WOO, Yoonsik WOO
  • Publication number: 20140014070
    Abstract: A variable compression ratio apparatus mounted on an engine may include an eccentric bearing assembly engaged with the piston through a piston pin, and including an eccentric ring having an eccentric hole so that the piston pin may be rotatably installed therethrough while being eccentric to the eccentric ring, and an eccentric link connected to the eccentric ring to transfer rotation force to the eccentric ring, a first connecting rod rotatably installed at an one side in an axial direction of the eccentric ring, a second connecting rod rotatably installed at the other side in the axial direction of the eccentric ring, and a control shaft connected to the eccentric link to rotate the eccentric bearing assembly by transferring the rotation force to the eccentric ring.
    Type: Application
    Filed: December 12, 2012
    Publication date: January 16, 2014
    Applicant: Hyundai Motor Company
    Inventors: Eun Ho Lee, Jin Kook Kong, Dong Seok Lee, Soo Hyung Woo, Yoonsik Woo
  • Patent number: 8630005
    Abstract: There are provided a method of transmitting log information on a document using metadata which can manage log information based on the metadata, and a host device, an image forming apparatus and an image forming system using the same method. The method includes: setting up metadata for receiving log information on a document in a host device; storing the set up metadata and printing data of the document; outputting the document; generating the log information on the document; and transmitting the log information using the metadata.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: January 14, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-seok Lee, Han-nam Kim
  • Patent number: D703672
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: April 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-Jung Kim, Dong-Seok Lee, Jae-Seung Song
  • Patent number: D705214
    Type: Grant
    Filed: December 24, 2012
    Date of Patent: May 20, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok Lee, Son-Young Lee
  • Patent number: D705215
    Type: Grant
    Filed: December 24, 2012
    Date of Patent: May 20, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok Lee, Ik-Sang Kim, Son-Young Lee
  • Patent number: D708607
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: July 8, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Seok Lee, Ik-Sang Kim, Son-Young Lee
  • Patent number: D715289
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: October 14, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Felix Heck, Sang-Won Yoon, Yeo-Wan Yun, Dong-Seok Lee