Patents by Inventor Myeong-ho Cho

Myeong-ho 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).

  • Publication number: 20240128502
    Abstract: An embodiment solid electrolyte includes a first compound and a second compound. The first compound is represented by a first chemical formula Li7-aPS6-a(X11-bX2b)a, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, and wherein 0<a?2 and 0<b<1, and the second compound is represented by a second chemical formula Li7-cP1-2dMdS6-c-3d(X11-eX2e)c, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, wherein M represents Ge, Si, Sn, or any combination thereof, and wherein 0<c?2, 0<d<0.5, and 0<e<1.
    Type: Application
    Filed: August 14, 2023
    Publication date: April 18, 2024
    Inventors: Sa Heum Kim, Yong Jun Jang, Yong Gu Kim, Sung Man Cho, Sun Ho Choi, Seong Hyeon Choi, Kyu Sung Park, Young Gyoon Ryu, Suk Gi Hong, Pil Sang Yun, Myeong Ju Ha, Hyun Beom Kim, Hwi Chul Yang
  • Publication number: 20240092484
    Abstract: A tilt prop aircraft is provided, including a first longeron and a second longeron capable of tilting relatively to each other, a tilt actuator disposed on the second longeron, a first power transmission member rotated by the tilt actuator, a second power transmission member fixed to the first longeron and coupled to the first power transmission member to transmit a rotational movement of the first power transmission member by turning 90 degrees in different planes, a crank fixed to the second longeron and extending through a slot in the first longeron and protruding inwardly from the first longeron, and a connecting rod connected to the crank so as to be relatively rotatable to the crank, and connected to the pitch control rod.
    Type: Application
    Filed: August 15, 2023
    Publication date: March 21, 2024
    Applicant: KOREA AEROSPACE RESEARCH INSTITUTE
    Inventors: Jun Ho CHO, Myeong Kyu LEE, Seong Wook CHOI
  • Patent number: 8315145
    Abstract: An optical recording medium is provided, the optical recording medium including a plurality of zones configured to store data corresponding to an adaptive write pulse, the adaptive write pulse including a first pulse, a last pulse, and a multi-pulse train, the adaptive write pulse being different for each of the plurality of zones, the plurality of zones being reflected by a grouping table, the grouping table being configured to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to a length of the mark to be written and a leading space, the adaptive write pulse waveform being generated without regard for a trailing space of a present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of m
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: November 20, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-Jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 8315146
    Abstract: An optical recording medium is provided, the optical recording medium including a plurality of zones respectively corresponding to width data of first and/or last pulses of an adaptive write pulse waveform stored in a grouping table, the grouping table being configured to group a magnitude of a present mark of input data and magnitudes of leading and/or trailing spaces of the present mark into a short pulse group, a middle pulse group, and a long pulse group using grouping pointers, store data configured to calculate a width of a write pulse, an adaptive write pulse being generated in response to the calculated width, generate the adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to the magnitudes of the present mark and the leading space, the adaptive write pulse waveform being generated without regard for the trailing space of the present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: November 20, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-Jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 8315138
    Abstract: An apparatus configured to write input data on an optical recording medium using a write pulse waveform including a first pulse, a last pulse and a multi-pulse train is provided.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: November 20, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-Jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 8305857
    Abstract: An apparatus configured to write input data on an optical recording medium using a write pulse waveform, the write pulse waveform including a first pulse, a last pulse and a multi-pulse train, is provided.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: November 6, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-Jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Publication number: 20110286317
    Abstract: An apparatus configured to write input data on an optical recording medium using a write pulse waveform including a first pulse, a last pulse and a multi-pulse train is provided.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo KIM, Kyung-geun Lee, Myeong-ho Cho, Chang-Jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Publication number: 20110286320
    Abstract: An optical recording medium is provided, the optical recording medium including a plurality of zones configured to store data corresponding to an adaptive write pulse, the adaptive write pulse including a first pulse, a last pulse, and a multi-pulse train, the adaptive write pulse being different for each of the plurality of zones, the plurality of zones being reflected by a grouping table, the grouping table being configured to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to a length of the mark to be written and a leading space, the adaptive write pulse waveform being generated without regard for a trailing space of a present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of m
    Type: Application
    Filed: May 13, 2011
    Publication date: November 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Publication number: 20110286318
    Abstract: An optical recording medium is provided, the optical recording medium including a plurality of zones respectively corresponding to width data of first and/or last pulses of an adaptive write pulse waveform stored in a grouping table, the grouping table being configured to group a magnitude of a present mark of input data and magnitudes of leading and/or trailing spaces of the present mark into a short pulse group, a middle pulse group, and a long pulse group using grouping pointers, store data configured to calculate a width of a write pulse, an adaptive write pulse being generated in response to the calculated width, generate the adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to the magnitudes of the present mark and the leading space, the adaptive write pulse waveform being generated without regard for the trailing space of the present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured
    Type: Application
    Filed: May 13, 2011
    Publication date: November 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo KIM, Kyung-geun Lee, Myeong-ho Cho, Chang-Jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Publication number: 20110286316
    Abstract: An apparatus configured to write input data on an optical recording medium using a write pulse waveform, the write pulse waveform including a first pulse, a last pulse and a multi-pulse train, is provided.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo KIM, Kyung-geun Lee, Myeong-ho Cho, Chang-Jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 7986610
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: July 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 7916604
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: March 29, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Publication number: 20080239913
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Application
    Filed: May 19, 2008
    Publication date: October 2, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo SEO, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Publication number: 20080239915
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Application
    Filed: May 19, 2008
    Publication date: October 2, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 7391697
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: June 24, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 7391696
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: June 24, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 7391698
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: June 24, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Publication number: 20070153659
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Application
    Filed: March 13, 2007
    Publication date: July 5, 2007
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 7209423
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Grant
    Filed: February 10, 2004
    Date of Patent: April 24, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka
  • Patent number: 7158461
    Abstract: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of a write pulse in accordance with the magnitude of the present mark of the input NRZI data and the magnitudes of the leading and/or trailing spaces of the input NRZI data to generate an adaptive write pulse, and a driver for driving a light source by converting the adaptive write pulse into a current signal in accordance with driving power levels for respective channels of the adaptive write pulse. The widths of the first and/or last pulses of the write pulse waveform are varied in accordance with the magnitude of the present mark of input NRZI data and the magnitude of the leading and/or trailing spaces, thereby minimizing jitter to enhance system reliability and performance.
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: January 2, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn, Seoung-soo Kim, Kyung-geun Lee, Myeong-ho Cho, Chang-jin Yang, Jong-kyu Kim, Sung-ro Ko, Tatsuhiro Ohtsuka