Patents by Inventor Du Hyun Kim
Du Hyun 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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Publication number: 20240098884Abstract: A circuit board according to an embodiment includes an insulating layer; and a via formed in the insulating layer; wherein a width of an upper surface of the via is greater than a width of a lower surface of the via, and wherein the width of the lower surface of the via is 75% to 95% of the width of the upper surface of the via.Type: ApplicationFiled: November 26, 2021Publication date: March 21, 2024Applicant: LG INNOTEK CO., LTD.Inventors: Do Hyuk YOO, Seul Gi LEE, Du Hyun KIM
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Patent number: 11651831Abstract: A memory system includes a memory device including a plurality of banks, each including row and column spares for replacing defective rows and columns; and a memory controller suitable for controlling an operation of the memory device, wherein the memory controller includes: a built-in self-test (BIST) circuit suitable for performing a test operation on the banks and generating fail addresses for each bank based on a result of the test operation; and a built-in redundancy analysis (BIRA) circuit suitable for determining first and second spare counts by respectively counting the number of repairable row spares and repairable column spares, and selecting a target repair address from the fail addresses for each bank, according to the first and second spare counts.Type: GrantFiled: September 30, 2020Date of Patent: May 16, 2023Assignee: SK hynix Inc.Inventors: Jae Il Lim, Du Hyun Kim, Bo Ra Kim, Sung Eun Lee
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Patent number: 11579966Abstract: A semiconductor system includes a process control circuit configured to determine whether to perform a patrol training operation, generate a voltage code signal for adjusting a level of a reference voltage which determines a logic level of data in a target memory circuit, and adjust the voltage code signal on the basis of a fail information signal corresponding to the target memory circuit, an operation control circuit configured to receive a command and an address from a host, generate, from the command, a write signal and a read signal for performing a normal operation, and generate, from the address, an internal address for performing the normal operation and an error detection circuit configured to detect an error in the data by receiving the data from the target memory circuit, and generate the fail information signal depending on whether the error has occurred in the data.Type: GrantFiled: November 10, 2021Date of Patent: February 14, 2023Assignee: SK hynix Inc.Inventor: Du Hyun Kim
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Publication number: 20230043623Abstract: A semiconductor system includes a process control circuit configured to determine whether to perform a patrol training operation, generate a voltage code signal for adjusting a level of a reference voltage which determines a logic level of data in a target memory circuit, and adjust the voltage code signal on the basis of a fail information signal corresponding to the target memory circuit, an operation control circuit configured to receive a command and an address from a host, generate, from the command, a write signal and a read signal for performing a normal operation, and generate, from the address, an internal address for performing the normal operation and an error detection circuit configured to detect an error in the data by receiving the data from the target memory circuit, and generate the fail information signal depending on whether the error has occurred in the data.Type: ApplicationFiled: November 10, 2021Publication date: February 9, 2023Applicant: SK hynix Inc.Inventor: Du Hyun KIM
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Publication number: 20230030667Abstract: The disclosed technology for distributing a portion of a sales profit to purchasers if a product selling event is successful, thereby promoting product sales, wherein the sales profit distribution system may include a product payment unit adapted to allow a payment for the product to be made through a terminal of the purchaser; and a profit distribution unit adapted to calculate an individual distribution profit to be distributed to the purchaser from the distribution profit, and the sales profit distribution method may include the steps of: (a) performing a payment for the product by a terminal of the purchaser through a product payment unit; and (b) calculating an individual distribution profit to be distributed to the purchaser from the distribution profit through a profit distribution unit.Type: ApplicationFiled: August 12, 2022Publication date: February 2, 2023Inventors: Yong Hyun Kang, Du Hyun Kim
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Patent number: 11462930Abstract: An electronic device which can control battery charging on the basis of the state of a battery by checking the voltage of a battery and the output voltage of a charging circuit, while the battery is being charged in a constant current state, and determining the state of the battery on the basis of at least the voltage of the battery and the output voltage of the charging circuit. Other various embodiments identified in the description are possible.Type: GrantFiled: September 18, 2018Date of Patent: October 4, 2022Assignee: Samsung Electronic Co., LTD.Inventors: Ho Yeong Lim, Yong Seung Yi, Du Hyun Kim, Hyun Seok Kim, Dong Il Son
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Publication number: 20210375379Abstract: A memory system includes a memory device including a plurality of banks, each including row and column spares for replacing defective rows and columns; and a memory controller suitable for controlling an operation of the memory device, wherein the memory controller includes: a built-in self-test (BIST) circuit suitable for performing a test operation on the banks and generating fail addresses for each bank based on a result of the test operation; and a built-in redundancy analysis (BIRA) circuit suitable for determining first and second spare counts by respectively counting the number of repairable row spares and repairable column spares, and selecting a target repair address from the fail addresses for each bank, according to the first and second spare counts.Type: ApplicationFiled: September 30, 2020Publication date: December 2, 2021Inventors: Jae Il LIM, Du Hyun KIM, Bo Ra KIM, Sung Eun LEE
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Patent number: 11133535Abstract: A method for controlling a plurality of batteries and an electronic device thereof are provided.Type: GrantFiled: June 28, 2018Date of Patent: September 28, 2021Inventors: Du-Hyun Kim, Hyun-Seok Kim, Yongseung Yi, Hoyeong Lim, Dong-Il Son
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Patent number: 11106533Abstract: A memory system includes a host error correction code (ECC) encoder and a memory module. The host ECC encoder performs a host ECC encoding operation of write data to output host ECC encoded data, and the memory module includes a memory medium receiving the host ECC encoded data and a module controller controlling the memory medium. The module controller includes a parity remover and a module ECC decoder. The parity remover removes parity data from the host ECC encoded data to generate parity-removed data and performs a first write operation for writing the parity-removed data into the memory medium. The module ECC decoder performs a module ECC decoding operation of the host ECC encoded data to generate module ECC decoded data and performs a second write operation for writing the module ECC decoded data into the memory medium.Type: GrantFiled: May 19, 2020Date of Patent: August 31, 2021Assignee: SK hynix Inc.Inventor: Du Hyun Kim
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Patent number: 11070074Abstract: Disclosed is an electronic device including a battery; a temperature sensor; a charging circuit configured to charge the battery; a coil antenna; and at least one processor configured to measure a temperature corresponding to at least a part of the electronic device by using the temperature sensor; charge the battery depending on a first charging characteristic by using the charging circuit and supply a current to the coil antenna to allow the coil antenna to emit heat, when the temperature satisfies a first specified condition; and charge the battery depending on a second charging characteristic by using the charging circuit, when the temperature satisfies a second specified condition, after the current is supplied.Type: GrantFiled: March 9, 2018Date of Patent: July 20, 2021Inventors: Yong Seung Yi, Du Hyun Kim, Hyun Seok Kim, Ho Yeong Lim, Dong II Son
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Publication number: 20210035142Abstract: The disclosed technology for distributing a portion of a sales profit to purchasers if a product selling event is successful, thereby promoting product sales, wherein the sales profit distribution system may include a product payment unit adapted to allow a payment for the product to be made through a terminal of the purchaser; and a profit distribution unit adapted to calculate an individual distribution profit to be distributed to the purchaser from the distribution profit, and the sales profit distribution method may include the steps of: (a) performing a payment for the product by a terminal of the purchaser through a product payment unit; and (b) calculating an individual distribution profit to be distributed to the purchaser from the distribution profit through a profit distribution unit.Type: ApplicationFiled: October 16, 2020Publication date: February 4, 2021Inventors: Yong Hyun Kang, Du Hyun Kim
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Publication number: 20210034457Abstract: A memory system includes a host error correction code (ECC) encoder and a memory module. The host ECC encoder performs a host ECC encoding operation of write data to output host ECC encoded data, and the memory module includes a memory medium receiving the host ECC encoded data and a module controller controlling the memory medium. The module controller includes a parity remover and a module ECC decoder. The parity remover removes parity data from the host ECC encoded data to generate parity-removed data and performs a first write operation for writing the parity-removed data into the memory medium. The module ECC decoder performs a module ECC decoding operation of the host ECC encoded data to generate module ECC decoded data and performs a second write operation for writing the module ECC decoded data into the memory medium.Type: ApplicationFiled: May 19, 2020Publication date: February 4, 2021Applicant: SK hynix Inc.Inventor: Du Hyun KIM
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Patent number: 10855012Abstract: An electronic device supporting a universal serial bus (USB) interface operating according to various embodiments includes: a housing; an opening provided in a part of the housing; a receptacle arranged in the opening and including a pin mounting portion where a plurality of first receptacle pins and a plurality of second receptacle pins are provided; and a control circuit for sensing a connection between the receptacle and an external connector, wherein, when the connection between the receptacle and the external connector is sensed, the control circuit may apply a predetermined current to any one of the plurality of first receptacle pins and the plurality of second receptacle pins. Various other embodiments are possible.Type: GrantFiled: January 17, 2017Date of Patent: December 1, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-yeong Lim, Kyu-hyuck Kwak, Du-hyun Kim
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Patent number: 10775872Abstract: An electronic device includes a power management circuit which supplies power from a battery to electronic components, a battery management circuit which controls connection between the battery and the power management circuit, a physical key formed on a part of the electronic device, a key control circuit which controls connection between the physical key and the battery management circuit, and a processor connected to the power management circuit. The processor is configured to transmit a signal for powering off the electronic device to the power management circuit, and when the electronic device is powered off, to control the key control circuit to connect the physical key with the battery management circuit. The power management circuit is configured to, when receiving the signal for powering off the electronic device, control the battery management circuit to disconnect the battery from the one or more electronic components included in the electronic device.Type: GrantFiled: March 9, 2018Date of Patent: September 15, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun Seok Kim, Yong Seung Yi, Du Hyun Kim, Yong Jae Lee, Ho Yeong Lim, Byeong Bae Hyeon, Dong Il Son
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Publication number: 20200220371Abstract: Disclosed is an electronic device which can control battery charging on the basis of the state of a battery. The electronic device of the present disclosure can check the voltage of a battery and the output voltage of a charging circuit, while the battery is being charged in a constant current state, and determine the state of the battery on the basis of at least the voltage of the battery and the output voltage of the charging circuit. Other various embodiments identified in the description are possible.Type: ApplicationFiled: September 18, 2018Publication date: July 9, 2020Inventors: Ho Yeong LIM, Yong Seung YI, Du Hyun KIM, Hyun Seok KIM, Dong Il SON
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Patent number: 10641811Abstract: An electronic device according to various exemplary embodiments of the present invention may include one or more switches, one of more sub-systems, and an interface control unit electrically coupled with the one or more sub-systems and the one or more switches. The interface control unit is configured to: detect a coupling of an external device to the electronic device, identify a type of the coupled external device, when the external device is identified as a current detecting device, generate a first control signal for turning off power to the one or more sub-systems, and a second control signal for setting a first path to supply the one or more sub-systems with power from the current detecting device, and transmit the first control signal to the one or more sub-systems and the second control signal to the one or more switches.Type: GrantFiled: April 24, 2017Date of Patent: May 5, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Du-Hyun Kim, Hoyeong Lim, Yongseung Yi, Dong-Il Son
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Patent number: 10530167Abstract: A portable communication device, according to various embodiments of the present disclosure, may include: a battery pack; a power dissipation element disposed outside the battery pack; a detecting circuit configured to detect the state of the battery pack; and at least one of first switches that are connected to the battery pack and the detecting circuit, wherein the detecting circuit is configured to control at least one of the first switches to: electrically disconnect the power dissipation element from the battery pack when the state of the battery pack does not satisfy a specified condition; and electrically connect the power dissipation element to the battery pack when the state of the battery pack satisfies the specified condition.Type: GrantFiled: November 22, 2017Date of Patent: January 7, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-Seung Yi, Du-Hyun Kim, Hyun-Seok Kim, Ho-Yeong Lim, Byeng-Sang Jung
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Patent number: 10503588Abstract: A memory system includes a memory medium configured to store memory data and a media error correction code (ECC) decoder coupled to the memory medium. The media ECC decoder is configured to receive encoded read data from the memory medium, wherein the encoded read data is read from the stored memory data. The media ECC decoder is further configured to decode the encoded read data when the encoded read data is not poison data and a number of erroneous bits for the encoded read data is less than or equal to a threshold value. The media ECC decoder is also configured to skip decoding the encoded read data when the encoded read data is poison data and the number of erroneous bits for the encoded read data is less than or equal to the threshold value.Type: GrantFiled: April 25, 2018Date of Patent: December 10, 2019Assignee: SK hynix Inc.Inventor: Du Hyun Kim
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Patent number: 10438559Abstract: An electronic device includes a housing, a display device exposed through a first part of the housing, a recess formed in a second part of the housing, a receptacle formed in the recess, a plurality of conductive contacts disposed inside the receptacle and including a first contact, a first circuit that supplies and/or receives a current of a first level or larger to and/or from the first contact when an external connector is inserted into the receptacle, a first switching device that electrically connects the first circuit with the first contact or to interrupt a connection between the first circuit and the first contact, a second circuit that detects existence of a foreign object contacting the first contact while the external connector is inserted into the receptacle and a control circuit that controls the first switching device based at least in part on information regarding the detected existence of the foreign object.Type: GrantFiled: June 22, 2017Date of Patent: October 8, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Ho Yeong Lim, Du Hyun Kim, Yong Seung Yi, Je Kook Kim, Tae Lee Lee, Dong Il Son
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Patent number: 10436161Abstract: Provided is a strainer including: a filter paper filtering fuel and having a space part disposed therein; an inner rib disposed inside the filter paper; protruding parts protruding up and down from the inner rib to be disposed inside the filter paper; and a communicating pipe combined with the filter paper to communicate with the space part. The filter paper and the inner rib are partially folded up longitudinally. The folded portion is formed in a rounded form, and the upper and lower portions of the filter paper are formed not to contact each other at the folded portion. Widths of the protruding parts are each formed differently and distances between the protruding parts are each formed differently. The width and the distance are more narrowly formed at the portion at which the filter paper is folded than at the portion at which the filter paper is not folded.Type: GrantFiled: October 26, 2018Date of Patent: October 8, 2019Assignee: COAVISInventors: Jeong Sik Kim, Woo Keun Lee, Du Hyun Kim, Eun Ju Lee