Patents by Inventor Ji-Sung Kim
Ji-Sung Kim 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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Patent number: 11143844Abstract: An embodiment provides an imaging lens comprising first to third lens groups arranged sequentially from an object side to an image side and having refractive power, wherein the distances of the second lens group and the third lens group from the first lens group are variable such that a tele mode having a narrow angle of view and a wide mode having a wide angle of view can be implemented, the EFL in the tele mode is no more than 2.5 times the EFL in the wide mode, 2<Fnumber<5 and 15 mm<TTL?40 mm.Type: GrantFiled: January 18, 2019Date of Patent: October 12, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Ji Sung Kim, Dae Sik Jang, Soo Min Jeong
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Publication number: 20210248572Abstract: Disclosed are a payment service apparatus for providing product information to an offline merchant on the basis of location information and supporting payment processing based on a virtual currency and an operating method thereof.Type: ApplicationFiled: March 5, 2020Publication date: August 12, 2021Applicant: UBIFUN CO., LTD.Inventors: Jin Hwan PARK, Ji Sung KIM
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Publication number: 20210239999Abstract: A camera module according to an embodiment of the present invention includes a prism part configured to convert incident light to parallel light in an optical axis direction, a tilting part through which the parallel light passes and which changes an optical path of the parallel light by changing an angle of a surface through which the parallel light passes, a lens part configured to collect the parallel light of which the optical path is changed, and an image sensor part configured to convert the parallel light collected by the lens part to an electrical signal, wherein the tilting part is disposed between the prism part and the lens part.Type: ApplicationFiled: June 7, 2019Publication date: August 5, 2021Applicant: LG INNOTEK CO., LTD.Inventors: Chang Gyun SON, Ji Sung KIM, Soo Min JEONG
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Patent number: 11062776Abstract: A nonvolatile memory device includes a memory cell array including a plurality of memory cells that are programmed based on a high voltage, a high voltage generator to generate the high voltage by boosting an input voltage based on a pumping clock, a pumping clock generator to generate the pumping clock, a high voltage detector to generate a detection signal by comparing an adjustment voltage with a reference voltage, a programming current controller to adjust a programming current flowing through each of selected memory cells of the plurality of memory cells; and a control logic to adjust a frequency of the pumping clock and a current driving capability of the programming current based on the detection signal during a programming period with respect to the selected memory cells. The detection signal includes information indicating whether the high voltage reaches to a target voltage.Type: GrantFiled: December 31, 2019Date of Patent: July 13, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Jin Shin, Ji-Sung Kim, Ho Young Shin, Myeong Hee Oh
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Patent number: 11049631Abstract: A power cable includes a conductor, an inner semi-conductive layer covering the conductor, an insulating layer covering the inner semi-conductive layer and impregnated with insulating oil, an outer semi-conductive layer covering the insulating layer, a metal sheath layer covering the outer semi-conductive layer, and a cable protection layer covering the metal sheath layer. A minimum thickness t1 of a certain cross section of the metal sheath layer is less than or equal to 90% of a maximum thickness t2 thereof.Type: GrantFiled: March 30, 2017Date of Patent: June 29, 2021Assignee: LS CABLE & SYSTEM LTD.Inventors: Ji Sung Kim, Weon Bae Kim, Kyoung Ro Ko, Joon Keun Lee, Kum Hwan Cha, Jae Cheol Gwag, Tae Hyun Kim
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Patent number: 11029580Abstract: An embodiment of the present invention relates to a camera module and an optical device, comprising: a housing; a lens module disposed in the housing; a substrate disposed below the lens module; an image sensor disposed between the lens module and the substrate; and an optical element unit disposed between the lens module and the image sensor, wherein the optical element unit has an optical surface disposed at the top thereof, to which the light transmitted through the lens module is incident, comes in contact with a light receiving surface of the image sensor at the bottom thereof, and contains a material having a higher refractive index than air.Type: GrantFiled: March 16, 2018Date of Patent: June 8, 2021Assignee: LG INNOTEK CO., LTD.Inventors: Ki Cheol Kim, Eun Sung Seo, Ji Sung Kim, Chang Gyun Son
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Patent number: 10957395Abstract: A nonvolatile memory device includes a memory cell array including a main memory area and a dummy memory area, a row decoder, a bit line selection circuit, a data input/output circuit, a control circuit, and a voltage generator. The bit line selection circuit is configured to select a first main bit line during a program time and is configured to select a dummy bit line during a column address switch time. During the column address switch time, a second main bit line is selected. The voltage generator is configured to output, to the row decoder, a source line voltage to be applied to a selected source line during the program time and during the column address switch time, wherein the source line voltage is maintained at a voltage level during the program time and during the column address switch time.Type: GrantFiled: March 24, 2020Date of Patent: March 23, 2021Inventors: Hoyoung Shin, Ji-Sung Kim, Hyun-Jin Shin
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Publication number: 20210051276Abstract: A method of providing a video in a portable terminal according to the present invention may include: monitoring whether an execution request event for a multi-camera mode of a portable terminal is generated; when the execution request event is generated, executing a virtual multi-preview menu including a plurality of pre-view regions, which is divided into independent separate regions and displays a plurality of different contents, respectively, and when the virtual multi-preview menu is executed, photographing a multi-preview image, so that different contents are displayed on the plurality of preview regions, respectively, with a virtual camera implemented in the portable terminal.Type: ApplicationFiled: April 22, 2019Publication date: February 18, 2021Applicant: UBIFUNSTUDIO CO., LTD.Inventors: Jin Hwan PARK, Ji Sung KIM
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Patent number: 10908222Abstract: Provided is a battery lifetime estimating method including steps of: fully charging a battery according to a predetermined charging condition; partially discharging the fully charged battery according to a predetermined discharging condition; acquiring voltage information at a plurality of predetermined measurement time points while performing the partially discharging; and estimating a remaining capacity of the battery by using the acquired voltage information. Herein, the step of estimating the remaining capacity of the battery includes steps of: calculating the capacity of the battery in one cycle of fully charging/discharging in which the measurement is performed from the measured voltage drop amounts; and estimating the remaining lifetime of the battery by applying a statistical technique to the capacity of the battery calculated with respect to a plurality of cycles of fully charging/discharging.Type: GrantFiled: December 23, 2016Date of Patent: February 2, 2021Assignee: HYOSUNG HEAVY INDUSTRIES CORPORATIONInventors: Sang Hui Park, Hwa Seob Song, Ji Sung Kim, Joo Ho Choi, Jae Wook Lee
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Publication number: 20210005261Abstract: A nonvolatile memory device includes a memory cell array including a main memory area and a dummy memory area, a row decoder, a bit line selection circuit, a data input/output circuit, a control circuit, and a voltage generator. The bit line selection circuit is configured to select a first main bit line during a program time and is configured to select a dummy bit line during a column address switch time. During the column address switch time, a second main bit line is selected. The voltage generator is configured to output, to the row decoder, a source line voltage to be applied to a selected source line during the program time and during the column address switch time, wherein the source line voltage is maintained at a voltage level during the program time and during the column address switch time.Type: ApplicationFiled: March 24, 2020Publication date: January 7, 2021Inventors: HOYOUNG SHIN, JI-SUNG KIM, HYUN-JIN SHIN
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Publication number: 20200411104Abstract: A nonvolatile memory device includes a memory cell array including a plurality of memory cells that are programmed based on a high voltage, a high voltage generator to generate the high voltage by boosting an input voltage based on a pumping clock, a pumping clock generator to generate the pumping clock, a high voltage detector to generate a detection signal by comparing an adjustment voltage with a reference voltage, a programming current controller to adjust a programming current flowing through each of selected memory cells of the plurality of memory cells; and a control logic to adjust a frequency of the pumping clock and a current driving capability of the programming current based on the detection signal during a programming period with respect to the selected memory cells. The detection signal includes information indicating whether the high voltage reaches to a target voltage.Type: ApplicationFiled: December 31, 2019Publication date: December 31, 2020Inventors: Hyun-Jin SHIN, Ji-Sung KIM, Ho Young SHIN, Myeong Hee OH
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Publication number: 20200413282Abstract: Disclosed is a method for providing a communication service based on a push, which may include: when an application loaded on a client is executed, requesting a communication service based on the push keys to an account server; receiving push keys of multiple target clients from the account server; requesting a push server to transfer the push keys of the client and a service request for a predetermined service to at least some of the multiple target clients; and when communication connection with a target client which responds to the service request is performed based on the push keys, performing the predetermined service.Type: ApplicationFiled: April 15, 2019Publication date: December 31, 2020Applicant: UBIFUNSTUDIO CO., LTD.Inventors: Jin Hwan PARK, Ji Sung KIM
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Publication number: 20200326508Abstract: An embodiment provides an imaging lens comprising first to third lens groups arranged sequentially from an object side to an image side and having refractive power, wherein the distances of the second lens group and the third lens group from the first lens group are variable such that a tele mode having a narrow angle of view and a wide mode having a wide angle of view can be implemented, the EFL in the tele mode is no more than 2.5 times the EFL in the wide mode, 2<Fnumber<5 and 15 mm<TTL?40 mm.Type: ApplicationFiled: January 18, 2019Publication date: October 15, 2020Inventors: Ji Sung KIM, Dae Sik JANG, Soo Min JEONG
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Patent number: 10672539Abstract: A power cable includes a conductor; an inner semi-conductive layer covering the conductor; an insulating layer covering the inner semi-conductive layer, the insulating layer being impregnated with an insulating oil; an outer semi-conductive layer covering the insulating layer; a metal sheath layer covering the outer semi-conductive layer; and a cable protection layer covering the metal sheath layer. The insulating layer is formed by cross-winding insulating paper and impregnating the insulating paper with the insulating oil. The inner semi-conductive layer and the outer semi-conductive layer are formed by cross-winding semi-conductive paper and impregnating the semi-conductive paper with the insulating oil. A thickness of the outer semi-conductive layer is 7.5 to 15% of a total thickness of the inner semi-conductive layer, the insulating layer, and the outer semi-conductive layer.Type: GrantFiled: March 30, 2017Date of Patent: June 2, 2020Assignee: LS CABLE & SYSTEM LTD.Inventors: Ji Sung Kim, Weon Bae Kim, Kyoung Ro Ko, Su Kil Lee, Joon Keun Lee, Soon Il Sohn, Kum Hwan Cha, Jae Cheol Gwag, Tae Hyun Kim
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Publication number: 20200124945Abstract: An embodiment of the present invention relates to a camera module and an optical device, comprising: a housing; a lens module disposed in the housing; a substrate disposed below the lens module; an image sensor disposed between the lens module and the substrate; and an optical element unit disposed between the lens module and the image sensor, wherein the optical element unit has an optical surface disposed at the top thereof, to which the light transmitted through the lens module is incident, comes in contact with a light receiving surface of the image sensor at the bottom thereof, and contains a material having a higher refractive index than air.Type: ApplicationFiled: March 16, 2018Publication date: April 23, 2020Applicant: LG INNOTEK CO., LTD.Inventors: Ki Cheol Kim, Eun Sung Seo, Ji Sung Kim, Chang Gyun Son
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Publication number: 20200051713Abstract: Provided is a power cable, particularly, an ultra-high voltage underground or submarine cable for long-distance direct-current transmission. More specifically, the present invention relates to a power cable, in which an insulating layer has high dielectric strength, an electric field applied to the insulating layer is effectively reduced, and particularly, a void is suppressed from occurring in the insulating layer due to contraction of insulating oil, caused by a decrease of temperature in the insulating layer under a low-temperature condition or when the supply of an electric current is stopped, thereby effectively suppressing partial discharge, dielectric breakdown, etc. due to an electric field concentrated in the void.Type: ApplicationFiled: March 30, 2017Publication date: February 13, 2020Inventors: Ji Sung KIM, Weon Bae KIM, Kyoung Ro KO, Joon Keun LEE, Kum Hwan Cha, Jae Cheol Gwag, Tae Hyun KIM
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Publication number: 20200013526Abstract: Provided is a power cable, particularly, an ultra-high voltage underground or submarine cable for long-distance direct-current transmission. More specifically, the present invention relates to a power cable, in which an insulating layer has high dielectric strength, an electric field applied to the insulating layer is effectively reduced, and particularly, a large void is suppressed from occurring in the insulating layer when the power cable is left at low temperatures for a long time until electric current is supplied thereto after installed in a low-temperature environment, thereby effectively preventing partial discharge, dielectric breakdown, etc. from occurring due to an electric field concentrated in the large void.Type: ApplicationFiled: March 30, 2017Publication date: January 9, 2020Inventors: Ji Sung KIM, Weon Bae KIM, Kyoung Ro KO, Su Kil LEE, Joon Keun LEE, Soon Il SOHN, Kum Hwan CHA, Jae Cheol GWAG, Tae Hyun KIM
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Patent number: 10528045Abstract: Provided herein is a method of remotely controlling a vehicle, which includes identifying a vehicle entering an autonomous driving region, identifying autonomous driving authority information including a predetermined user's discretionary control right to the vehicle entering the autonomous driving region, remotely controlling a plurality of electronic elements included in the vehicle such that the vehicle moves along a set path corresponding to the autonomous driving region, and blocking a user's vehicle operation while autonomous driving is performed according to the remote control while allowing user's discretionary control for at least one of the plurality of electronic elements according to the autonomous driving authority information.Type: GrantFiled: July 11, 2017Date of Patent: January 7, 2020Assignee: INFOBANK CORP.Inventors: Jung Min Kim, Ji Sung Kim, Sang Gyeong Bae, Kwang Rim Ha, Chang Seok Youk
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Publication number: 20190242979Abstract: Provided are a light-receiving device and lidar comprising the light-receiving device. The light-receiving device comprises: a first lens comprising a first lens surface for receiving light from an outside and a second lens surface for changing the path of the light received by the first lens surface and outputting the light to the outside; and a sensor on which light transmitted through the second lens surface is incident, wherein the first lens surface is a spherical surface, the second lens surface is an aspherical surface, and the focus of the first lens deviates from the sensor surface of the sensor.Type: ApplicationFiled: July 25, 2017Publication date: August 8, 2019Applicant: LG INNOTEK CO., LTD.Inventors: Chang Hyuck LEE, Lee Im KANG, Ji Sung KIM, Yang Hyun JOO
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Publication number: 20190187255Abstract: The present embodiment relates to a light output module comprising: a first lens part including at least one lens; a second lens part including at least one lens and disposed at a lower side of the first lens part; an actuator for moving the second lens part; a third lens part disposed at a lower side of the second lens part; and a light source disposed at a lower side of the third lens part, wherein the actuator comprises: a first housing receiving the second lens part and including at least one first magnet disposed therein; a second housing receiving the first housing and including at least one second magnet disposed therein; and a third housing including a first coil facing the first magnet and a second coil facing the second magnet, wherein the first housing is operated in a first direction, and the first housing and the second housing are operated in a second direction.Type: ApplicationFiled: August 31, 2017Publication date: June 20, 2019Applicant: LG INNOTEK CO., LTD.Inventors: Young Bae JANG, Ji Sung KIM, Chang Hyuck LEE, Sung Ki JUNG, Yang Hyun JOO