Patents by Inventor Chang Heon Lee
Chang Heon 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).
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Publication number: 20240132357Abstract: An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.Type: ApplicationFiled: October 19, 2023Publication date: April 25, 2024Applicant: KOREA KUMHO PETROCHEMICAL CO., LTD.Inventors: Myung Hoon JEONG, Hyun Tae KIM, Sang Hyo RYU, Chung Heon JEONG, Wan Sung LEE, Woo Ram JUNG, Chang Gu KANG
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Patent number: 11956712Abstract: Electronic device includes first wireless communication interface; second wireless communication interface; and controller.Type: GrantFiled: January 10, 2022Date of Patent: April 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong-woo Lee, Chang-heon Yoon, Jong-min Kim, Sang-hun Park, Sung-min So, Wha-seob Sim, Se-young Oh
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Publication number: 20230358434Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.Type: ApplicationFiled: July 13, 2023Publication date: November 9, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Sang Ki CHO, Ki Jun KIM, Dae Dong KIM, Chang Heon LEE, Moon Sun SHIN, Young Lae JO
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Patent number: 11739976Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.Type: GrantFiled: September 25, 2020Date of Patent: August 29, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Ki Cho, Ki Jun Kim, Dae Dong Kim, Chang Heon Lee, Moon Sun Shin, Young Lae Jo
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Publication number: 20220059558Abstract: A semiconductor device comprises a substrate; an element isolation film that defines a first active region in the substrate; a first gate electrode on the first active region; a first source/drain region located inside the first active region between the element isolation film and the first gate electrode; and an isolation contact that extends in a vertical direction intersecting an upper face of the substrate, in the element isolation film. The isolation contact is configured to have a voltage applied thereto.Type: ApplicationFiled: March 24, 2021Publication date: February 24, 2022Inventors: Hak Seon Kim, Byung Joo Go, Sung Kweon Baek, Jae Hwa Seo, Chang Heon Lee
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Patent number: 11067298Abstract: Disclosed is an air conditioner to prevent deterioration of cooling or heating performance caused by re-introduction of cooling or heating air into a heat exchanger. The air conditioner includes a housing including an air discharge plate having a plurality of holes and an outlet, a heat exchanger located inside the housing, a blower fan configured to blow air heat-exchanged with the heat exchanger toward the air discharge plate or the outlet, a blade rotating between a guide position to guide a direction of air blown from the blower fan and discharged through the outlet and a closing position to close the outlet, wherein the blade includes a first blade and a second blade spaced apart from the first blade and configured to guide air blown from the blower fan toward the air discharge plate when the first blade is located at the closing position.Type: GrantFiled: November 15, 2018Date of Patent: July 20, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Ki Jun Kim, Dae Dong Kim, Se Woong Youn, Chang Heon Lee, Min Gu Jeon, Sang Ki Cho, Do-Hoon Kim, Jong Moon Lee, Jun Hwang, Keun Jeong Jang, Jung Won Kim, Se Joo Na, Bu Youn Lee, Hyeong Kyu Cho
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Patent number: 11054152Abstract: An air conditioner includes a heat exchanger configured to exchange heat with air introduced into a housing and a blowing fan configured to blow the air which is heat-exchanged with the heat exchanger to outside of the housing. The air conditioner may control a first and a second doors configured to open or close a first and second blowing ports provided in the housing and a guide blade configured to control paths in the housing, so that the air conditioner may blow the air of various flow.Type: GrantFiled: August 1, 2017Date of Patent: July 6, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Ki Cho, Ki Jun Kim, Dae Dong Kim, Chang Heon Lee, Moon Sun Shin, Young Lae Jo
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Publication number: 20210010711Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.Type: ApplicationFiled: September 25, 2020Publication date: January 14, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Sang Ki CHO, Ki Jun KIM, Dae Dong KIM, Chang Heon LEE, Moon Sun SHIN, Young Lae JO
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Patent number: 10788238Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.Type: GrantFiled: May 30, 2018Date of Patent: September 29, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Ki Cho, Ki Jun Kim, Dae Dong Kim, Chang Heon Lee, Moon Sun Shin, Young Lae Jo
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Patent number: 10777193Abstract: A system includes network interface, processor operatively connected to the network interface, and memory operatively connected to the processor. The memory stores a plurality of language models of a first language. The plurality of language models be different from one another. Each of the plurality of language models is provided for speakers whose native language is different from the first language. The memory further stores instructions that cause the processor to receive a user's speech data associated with a plurality of sample texts from an external electronic device, to perform automatic speech recognition (ASR) on the speech data using the plurality of language models, to select one language model from the plurality of language models based on results from the performed ASR, and to use the selected one language model as a default language model for speech of the user.Type: GrantFiled: June 27, 2018Date of Patent: September 15, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Jung In Lee, Min Seok Kwon, In Jong Rhee, Chang Heon Lee, Seok Yeong Jung
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Patent number: 10767044Abstract: A polycarbonate resin composition of the present invention comprises: a polycarbonate resin; and a polycarbonate polyol comprising a terminal hydroxyl group and a repeat unit represented by Formula 1. The polycarbonate resin composition exhibits good properties in terms of color, impact resistance, stiffness and the like even after irradiation with ionizing radiation.Type: GrantFiled: October 12, 2016Date of Patent: September 8, 2020Assignee: Lotte Advanced Materials Co., Ltd.Inventors: Hyun Hye Jang, Chang Heon Lee, Woo Suk Chei, O Sung Kwon
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Patent number: 10458673Abstract: An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade.Type: GrantFiled: September 29, 2017Date of Patent: October 29, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Ki Cho, Ki Jun Kim, Dae Dong Kim, Chang Heon Lee, Moon Sun Shin, Young Lae Jo
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Publication number: 20190219277Abstract: Disclosed is an air conditioner to prevent deterioration of cooling or heating performance caused by re-introduction of cooling or heating air into a heat exchanger. The air conditioner includes a housing including an air discharge plate having a plurality of holes and an outlet, a heat exchanger located inside the housing, a blower fan configured to blow air heat-exchanged with the heat exchanger toward the air discharge plate or the outlet, a blade rotating between a guide position to guide a direction of air blown from the blower fan and discharged through the outlet and a closing position to close the outlet, wherein the blade includes a first blade and a second blade spaced apart from the first blade and configured to guide air blown from the blower fan toward the air discharge plate when the first blade is located at the closing position.Type: ApplicationFiled: November 15, 2018Publication date: July 18, 2019Inventors: Ki Jun KIM, Dae Dong KIM, Se Woong YOUN, Chang Heon LEE, Min Gu JEON, Sang Ki CHO, Do-Hoon KIM, Jong Moon LEE, Jun HWANG, Keun Jeong JANG, Jung Won KIM, Se Joo NA, Bu Youn LEE, Hyeong Kyu CHO
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Publication number: 20190062550Abstract: A polycarbonate resin composition of the present invention comprises: a polycarbonate resin; and a polycarbonate polyol comprising a terminal hydroxyl group and a repeat unit represented by Formula 1. The polycarbonate resin composition exhibits good properties in terms of color, impact resistance, stiffness and the like even after irradiation with ionizing radiation.Type: ApplicationFiled: October 12, 2016Publication date: February 28, 2019Applicant: LOTTE ADVANCED MATERIALS CO., LTD.Inventors: Hyun Hye JANG, Chang Heon LEE, Woo Suk CHEI, O Sung KWON
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Publication number: 20190056120Abstract: An air conditioner includes a heat exchanger configured to exchange heat with air introduced into a housing and a blowing fan configured to blow the air which is heat-exchanged with the heat exchanger to outside of the housing. The air conditioner may control a first and a second doors configured to open or close a first and second blowing ports provided in the housing and a guide blade configured to control paths in the housing, so that the air conditioner may blow the air of various flow.Type: ApplicationFiled: August 1, 2017Publication date: February 21, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Ki CHO, Ki Jun KIM, Dae Dong KIM, Chang Heon LEE, Moon Sun SHIN, Young Lae JO
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Publication number: 20180374476Abstract: A system includes network interface, processor operatively connected to the network interface, and memory operatively connected to the processor. The memory stores a plurality of language models of a first language. The plurality of language models be different from one another. Each of the plurality of language models is provided for speakers whose native language is different from the first language. The memory further stores instructions that cause the processor to receive a user's speech data associated with a plurality of sample texts from an external electronic device, to perform automatic speech recognition (ASR) on the speech data using the plurality of language models, to select one language model from the plurality of language models based on results from the performed ASR, and to use the selected one language model as a default language model for speech of the user.Type: ApplicationFiled: June 27, 2018Publication date: December 27, 2018Inventors: Jung In LEE, Min Seok KWON, In Jong RHEE, Chang Heon LEE, Seok Yeong JUNG
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Patent number: 10158745Abstract: A vehicle connected to a terminal of a user to perform dialing includes a speech input unit that receives a speech of the user, a speech recognition unit that recognizes a command included in the received speech, a control unit that determines a preparation state for performing the dialing, and a display unit that displays information about the preparation state when preparation for performing the dialing is not completed.Type: GrantFiled: June 3, 2016Date of Patent: December 18, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Chang-Heon Lee, Hyun-woo Lee
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Patent number: RE47536Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: December 15, 2017Date of Patent: July 23, 2019Assignee: Dolby Laboratories Licensing CorporationInventors: Hyen-O Oh, Chang Heon Lee, Hong Goo Kang, Jeungook Song
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Patent number: RE48916Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: July 22, 2019Date of Patent: February 1, 2022Assignee: Dolby Laboratories Licensing CorporationInventors: Hyen-O Oh, Chang Heon Lee, Hong-Goo Kang, Jeungook Song
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Patent number: RE49813Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: January 31, 2022Date of Patent: January 23, 2024Assignee: Dolby Laboratories Licensing CorporationInventors: Hyen-O Oh, Chang Heon Lee, Hong-Goo Kang, Jeungook Song