Patents by Inventor Sang Hwa Lee

Sang Hwa 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: 8651445
    Abstract: The present invention relates to a portable book holder that can be converted from its original size into a small size if a user wants to carry the portable book holder, thereby making it easy to be carried, adjust a supporting area in accordance with the sizes of a book, and allow a user to adjust a book holding stand to his or her desired arbitrary angle.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: February 18, 2014
    Inventor: Sang-Hwa Lee
  • Publication number: 20130313393
    Abstract: The present invention relates to a portable book holder that can be converted from its original size into a small size if a user wants to carry the portable book holder, thereby making it easy to be carried, adjust a supporting area in accordance with the sizes of a book, and allow a user to adjust a book holding stand to his or her desired arbitrary angle.
    Type: Application
    Filed: August 1, 2013
    Publication date: November 28, 2013
    Inventor: Sang-Hwa Lee
  • Publication number: 20130281587
    Abstract: A polyamide resin composition includes (A) polyamide resin, (B) white pigment, and (C) sodium phosphate salt.
    Type: Application
    Filed: June 12, 2013
    Publication date: October 24, 2013
    Inventors: In Sik Shim, Jong Cheol Lim, Sun Ho Song, Sang Hwa Lee, Pil Ho Kim
  • Publication number: 20130216472
    Abstract: The present invention relates to a gas storage material comprising a novel mesoporous polymer, that shows superior gas storage efficiency and can stably adsorb and desorb gas, and method for gas storage using thereof. The gas storage material comprises an acrylamide-based polymer.
    Type: Application
    Filed: August 26, 2011
    Publication date: August 22, 2013
    Applicants: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), LG CHEM, LTD.
    Inventors: Yang-Kyoo Han, Je-Gwon Lee, Su-Hwa Kim, Jae-Yong Kim, Sang-Hwa Lee
  • Patent number: 8431636
    Abstract: A polyamide resin composition according to the present invention comprises (A) crystalline polyamide resin having a glass transition temperature (Tg) of about 50 to about 100° C.; (B) crystalline polyamide resin having a glass transition temperature (Tg) of about 110 to about 160° C.; (C) inorganic filler; (D) white pigment; and (E) light stabilizer, and can have excellent surface gloss, surface reflectance, heat resistance, mechanical strength, moldability, light stability and discoloration resistance.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: April 30, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Sang Hwa Lee, In Sik Shim, In Geol Baek, Pil Ho Kim, Jong Cheol Lim
  • Publication number: 20130002808
    Abstract: Disclosed is a method for photographing a panoramic image including the steps of recognizing movement of a corresponding photographing apparatus by comparing a current real-time input image with a previous image through a motion estimation mechanism with exposure compensation, determining a time to photograph each next picture by determining whether movement in a photography direction reaches a preset threshold value, and photographing each next picture by manual or automatic operation at the determined time.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 3, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Won MOON, Soo-Kyun KIM, Sung-Dae CHO, Yun-Je OH, Hee-Won JUNG, Nam-Ik CHO, Sang-Hwa LEE, Seong-Jong HA
  • Publication number: 20120329938
    Abstract: A polyester resin composition comprises (A) about 100 parts by weight of polyester resin with a melting point greater than about 200° C. and including repeat units of Formula 1; (B) about 0.1 to about 80 parts by weight of white pigment; and (C) about 0.01 to about 80 parts by weight of filler. The polyester resin composition of the present invention does not exhibit deteriorated reflectance and impact strength and also has good heat resistance, non-yellowing property and humidity resistance and can be used in a light emitting diode (LED) reflector.
    Type: Application
    Filed: December 21, 2011
    Publication date: December 27, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Pil Ho Kim, Sun Ho Song, In Sik Shim, Sang Hwa Lee, Jong Cheol Lim
  • Patent number: 8279264
    Abstract: Disclosed is a method for photographing a panoramic image including the steps of recognizing movement of a corresponding photographing apparatus by comparing a current real-time input image with a previous image through a motion estimation mechanism with exposure compensation, determining a time to photograph each next picture by determining whether movement in a photography direction reaches a preset threshold value, and photographing each next picture by manual or automatic operation at the determined time.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: October 2, 2012
    Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry Foundation
    Inventors: Jae-Won Moon, Soo-Kyun Kim, Sung-Dae Cho, Yun-Je Oh, Hee-Won Jung, Nam-Ik Cho, Sang-Hwa Lee, Seong-Jong Ha
  • Patent number: 8249390
    Abstract: A method for taking a panorama mosaic photograph includes displaying a partial image of a previously taken image as a guide image on a viewer of an image to be currently taken and taking a number of images constituting the panorama mosaic photograph according to a photography operation; projecting the taken images onto a common cylindrically curved surface; and joining the projected images into a single image.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: August 21, 2012
    Assignees: Samsung Electronics Co., Ltd., Seoul National University-Industry Foundation
    Inventors: Kyoung-Ju Park, Sung-Dae Cho, Soo-Kyun Kim, Jae-Won Moon, Nam-Ik Cho, Sang-Hwa Lee, Hyung-Il Koo, Seong-Jong Ha
  • Patent number: 8217989
    Abstract: A panoramic picture photographing method permits more accurate photographing of an image, particularly a panoramic image of a subject, without additional equipment, or separate devices and hardware. The method includes projecting an image, which is successively inputted in every predetermined unit of time, to an imaginary surface having a same focal distance in photographing each image constituting a panoramic picture to obtain a projected image; confirming movement of a corresponding photographing apparatus so that the projected image is compared with a previous image in real time by using a motion estimation technique, to which exposure correction has been applied; determining a photographing time point of each image by confirming the confirmed movement of the corresponding photographing apparatus according to a photographing direction has reached a predetermined critical value; and photographing each image at the photographing time point of each image according to a passive input or automatically.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: July 10, 2012
    Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry Foundation
    Inventors: Soo-Kyun Kim, Jae-Won Moon, Sung-Dae Cho, Sang-Wook Oh, Byung-Jun Son, Tae-Hwa Hong, Hee-Won Jung, Nam-Ik Cho, Sang-Hwa Lee, Seong-Jong Ha
  • Publication number: 20120165445
    Abstract: A polyamide resin composition according to the present invention comprises (A) crystalline polyamide resin having a glass transition temperature (Tg) of about 50 to about 100° C.; (B) crystalline polyamide resin having a glass transition temperature (Tg) of about 110 to about 160° C.; (C) inorganic filler; (D) white pigment; and (E) light stabilizer, and can have excellent surface gloss, surface reflectance, heat resistance, mechanical strength, moldability, light stability and discoloration resistance.
    Type: Application
    Filed: December 28, 2011
    Publication date: June 28, 2012
    Applicant: Cheil Industries Inc.
    Inventors: Sang Hwa Lee, In Sik Shim, In Geol Baek, Pil Ho Kim, Jong Cheol Lim
  • Publication number: 20120165448
    Abstract: A polyamide resin composition according to the present invention comprises (A) about 10 to about 70% by weight of crystalline polyamide resin, (B) about 10 to about 70% by weight of amorphous polyamide resin with a glass transition temperature of about 110 to about 200° C., (C) about 10 to about 60% by weight of inorganic filler, (D) about 10 to about 50% by weight of white pigment, and (E) about 0.05 to about 2 parts by weight of light stabilizer, based on about 100 parts by weight of the crystalline polyamide resin (A), the amorphous polyamide resin (B), the inorganic filler (C) and the white pigment (D), and can have excellent surface reflectance, heat resistance, mechanical strength, moldability, light stability and discoloration resistance.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Sang Hwa Lee, In Sik Shim, Pil Ho Kim, In Geol Baek, Jong Cheol Lim
  • Patent number: 8165213
    Abstract: Provided are a frame conversion apparatus and method and a frame type detecting apparatus and method. The frame conversion apparatus may include a detecting unit and an inverse telecine unit. The detecting unit may determine that each data frame is a telecine frame or a progressive frame according to the rate of discrete cosine transform (DCT) operation type performed on macro blocks of the frame or the number of the macro blocks on which each type of DCT operation is performed and output frame type information. The inverse telecine unit may convert the data frames into progressive frames and output the progressive frames in response to the frame type information.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: April 24, 2012
    Assignees: Seoul National University Industry Foundation, Samsung Electronics Co., Ltd.
    Inventors: Seong-Jong Ha, Nam-Ik Cho, Sang-Hwa Lee
  • Patent number: 8088849
    Abstract: Disclosed herein is a scratch-resistant polycarbonate resin composition, the resin composition comprising: (A) about 100 parts by weight of a polycarbonate resin; (B) about 1 to about 30 parts by weight of a phosphate eater compound represented by the following Formula (II) or a combination thereof: and (C) about 0.1 to about 30 parts by weight of a halogen substituted polycarbonate oligomer represented by the following Formula (III): wherein R1, R2, R4 and R5 are each independently C6-20 aryl or C1-10 alkyl-substituted C6-20 aryl, R3 is C6-30 aryl or C1-10 alkyl-substituted C6-30 aryl derivative, m represents a number average degree of polymerization, and the average of m is 0 to 3; wherein each X is independently fluorine, chlorine or bromine, each Y is independently hydrogen, C1-8 alkyl, fluorine, chlorine or bromine, n is an integer of 1 to 10, and 1 is an integer of 1 to 3.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: January 3, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Hyuk Jin Jung, Sang Hwa Lee, Seung Shik Shin, Jong Cheol Lim
  • Publication number: 20110176734
    Abstract: An apparatus and method for recognizing a specific area of an image in a portable terminal. More particularly, an apparatus and method are for determining feature points with very high similarities as one group when the portable terminal recognizes a building included in an image or a picture, and for estimating a matching relation of the group to improve building recognition performance. The apparatus includes an image analyzer configured to, upon extracting feature points used for building recognition, classify feature points with similarities among the extracted feature points into a group, and recognize a building after estimating a matching relation by regarding the classified group as a feature point.
    Type: Application
    Filed: January 21, 2011
    Publication date: July 21, 2011
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Sang-Hwa Lee, Seong-Jong Ha, Hyun-Su Hong, Nam-Ik Cho, Gye-Joong Shin, Sang-Uk Lee
  • Publication number: 20110069149
    Abstract: A method for taking a panorama mosaic photograph includes displaying a partial image of a previously taken image as a guide image on a viewer of an image to be currently taken and taking a number of images constituting the panorama mosaic photograph according to a photography operation; projecting the taken images onto a common cylindrically curved surface; and joining the projected images into a single image.
    Type: Application
    Filed: November 29, 2010
    Publication date: March 24, 2011
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATION
    Inventors: Kyoung-Ju PARK, Sung-Dae CHO, Soo-Kyun KIM, Jae-Won MOON, Nam-Ik CHO, Sang-Hwa LEE, Hyung-Il KOO, Seong-Jong HA
  • Publication number: 20110065848
    Abstract: The flame retardant polycarbonate resin composition of the present invention includes (A) a polycarbonate resin, (B) a rubber-modified vinyl-based graft copolymer, (C) a metal salt of sulfonic acid, and (D) an anti-drip agent including a fluorinated terpolymer. The polycarbonate resin composition of the present invention can have excellent flame retardancy, heat resistance, and mechanical strength, well-balanced mechanical properties such as impact resistance, heat resistance, and fine workability, and an excellent appearance characteristic. Therefore, it can be useful for fabrication of molded products such as electric household appliances, office appliances, electrical and electronic devices, and internal parts thereof.
    Type: Application
    Filed: November 12, 2010
    Publication date: March 17, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Hyuk-Jin JUNG, Jong-Cheol LIM, Sang-Hwa LEE
  • Patent number: 7881559
    Abstract: A method for taking a panorama mosaic photograph includes displaying a partial image of a previously taken image as a guide image on a viewer of an image to be currently taken and taking a number of images constituting the panorama mosaic photograph according to a photography operation; projecting the taken images onto a common cylindrically curved surface; and joining the projected images into a single image.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: February 1, 2011
    Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry Foundation
    Inventors: Kyoung-Ju Park, Sung-Dae Cho, Soo-Kyun Kim, Jae-Won Moon, Nam-Ik Cho, Sang-Hwa Lee, Hyung-Il Koo, Seong-Jong Ha
  • Publication number: 20100247010
    Abstract: The present invention relates to an airfoil-magnetic hybrid bearing, which is a combination of a magnetic bearing and airfoil bearing. An airfoil-magnetic hybrid bearing of the present invention comprises: a housing around a rotating shaft of a rotation device; an airfoil bearing positioned between the housing and the rotating shaft for forming dynamic pressure to levitate the rotating shaft during rotation of the rotating shaft; a magnetic bearing including a plurality of cores positioned radially between inner surface of the housing and outer surface of the airfoil bearing, the cores being projected to the center of the rotating shaft, and coils wound to the cores to levitate the rotating shaft using a magnetic attractive force generated by a current application thereto; and a coupling segment for coupling the airfoil bearing to the magnetic bearing directly.
    Type: Application
    Filed: November 19, 2007
    Publication date: September 30, 2010
    Inventors: Yong Bok Lee, Chang Ho Kim, Seung Jong Kim, Sang Hwa Lee, Hee Soo Kim
  • Publication number: 20100160511
    Abstract: Disclosed herein is a scratch-resistant polycarbonate resin composition, the resin composition comprising: (A) about 100 parts by weight of a polycarbonate resin; (B) about 1 to about 30 parts by weight of a phosphate eater compound represented by the following Formula (II) or a combination thereof: and (C) about 0.1 to about 30 parts by weight of a halogen substituted polycarbonate oligomer represented by the following Formula (III): wherein R1, R2, R4 and R5 are each independently C6-20 aryl or C1-10 alkyl-substituted C6-20 aryl, R3 is C6-30 aryl or C1-10 alkyl-substituted C6-30 aryl derivative, m represents a number average degree of polymerization, and the average of m is 0 to 3; wherein each X is independently fluorine, chlorine or bromine, each Y is independently hydrogen, C1-8 alkyl, fluorine, chlorine or bromine, n is an integer of 1 to 10, and 1 is an integer of 1 to 3.
    Type: Application
    Filed: December 16, 2009
    Publication date: June 24, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Hyuk Jin JUNG, Sang Hwa LEE, Seung Shik SHIN, Jong Cheol LIM