Patents by Inventor Chang Han

Chang Han 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: 10362706
    Abstract: Examples herein relate to server systems with hinge mechanisms. In one example, a server system includes a first enclosure and a second enclosure, the first and second enclosure each include a front end and a back end disposed opposite to each other, the front end having an opening. The server system further includes a hinge mechanism, the hinge mechanism connecting an upper edge of the back end of the first enclosure to an upper edge of the front end of the second enclosure. The first enclosure is adapted to rotate around the hinge mechanism.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: July 23, 2019
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Geoffrey Sun, Chun-han Lin, Chang Yu Chen, Ku-Hsu Nien, Tse-Jen Sung
  • Publication number: 20190222281
    Abstract: Embodiments of apparatus and methods for signaling for resource allocation and scheduling in 5G-NR integrated access and backhaul are generally described herein. In some embodiments, User Equipment configured for reporting a channel quality indicator (CQI) index in a channel state information (CSI) reference resource assumes a physical resource block (PRB) bundling size of two PRBs to derive the CQI index.
    Type: Application
    Filed: November 13, 2018
    Publication date: July 18, 2019
    Inventors: Alexander Sirotkin, Alexei Davydov, Andrey Chervyakov, Anthony Lee, Avik Sengupta, Bharat Shrestha, Candy Yiu, Chang Hong Shan, Dae Won Lee, Dawei Ying, Debdeep Chatterjee, Farid Adrangi, Gang Xiong, Geng Wu, Gregory Morozov, Hassan Ghozlan, Hong He, Honglei Miao, Hua Li, Jaemin Han, Jeongho Jeon, Jie Cui, Jing Zhu, Joey Chou, Joonbeom Kim, Joonyoung Cho, Kathiravetpillai Sivanesan, Lu Lu, May Wu, Naveen Palle, Puneet Jain, Qian Li, Richard C. Burbidge, Robert Zaus, Rui Huang, Satish Chandra Jha, Seau S. Lim, Sergey Panteleev, Song Noh, Yaser M. Fouad, Yi Guo, Yizhi Yao, Yongjun Kwak, Youn Hyoung Heo, Yuhan Zhou, Yujian Zhang, Yushu Zhang
  • Publication number: 20190221492
    Abstract: A processor socket assembly includes a processor socket, a base frame, a guide member and a carrier. The processor socket is located on a circuit board. The base frame surrounds the processor socket. The guide member is pivoted to an edge of the bottom frame to be rotatable relative to the processor socket, and the guide member has a slot. The carrier detachably engages the slot of the guide member after being combined with a processor and is capable of being rotated with the guide member.
    Type: Application
    Filed: January 15, 2019
    Publication date: July 18, 2019
    Inventors: Chang-Chi YEH, Wei-Han HUANG
  • Publication number: 20190211425
    Abstract: Provided is a method for producing alloy steel, the method comprising producing first alloy steel in a temperature holding furnace; maintaining the first alloy steel at a temperature of no lower than a melting point in the temperature holding furnace; and producing second alloy steel having an alloy content lower than the alloy content in the first alloy steel by melt mixing of the first alloy steel and molten steel. In the producing of the alloy steel, melting and storing of the ferroalloy are continuously performed, and thus, the temperature drop of the ferroalloy may be suppressed or prevented.
    Type: Application
    Filed: December 16, 2016
    Publication date: July 11, 2019
    Inventors: Woong Hee HAN, Chong Tae AHN, Soo Chang KANG, Jun Jeong BEAK, Min Ho SONG
  • Patent number: 10344917
    Abstract: A liquefied petroleum gas (LPG) filling system of a bi-fuel vehicle is provided. The LPG filling system may be configured for reducing the temperature and pressure in an LPG bombe for storing LPG in the case in which the external temperature is very high, e.g. in the hot season, whereby it is possible to easily refill the LPG bombe with LPG. The LPG filling system is configured to cool the inside of an LPG bombe and to reduce the vapor pressure of LPG by supplying some gasoline from a gasoline tank into the LPG bombe using the fact that the temperature of gasoline in the gasoline tank is lower than the temperature of LPG in the LPG bombe, whereby it is possible to easily refill the LPG bombe with LPG even in the case in which the external temperature is very high, e.g. in the hot season.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: July 9, 2019
    Assignee: Hyundai Motor Company
    Inventors: Chang Han Kim, Keun Soo Kim, Jong Ki Kim, Jin Su Jeong
  • Patent number: 10344713
    Abstract: An LPG bombe cooling system of a bi-fuel vehicle using both gasoline and LPG is provided. The LPG bombe cooling system is configured to cool the interior of an LPG bombe and to reduce the vapor pressure of LPG by supplying some gasoline from a gasoline tank into the LPG bombe using the fact that the temperature of gasoline in the gasoline tank is lower than the temperature of LPG in the LPG bombe, whereby it is possible to easily refill the LPG bombe with LPG even in the case in which the external temperature is very high, e.g. in the hot season.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: July 9, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Chang Han Kim, Jae Min Lee, Keun Soo Kim, Jin Su Jeong
  • Patent number: 10346726
    Abstract: A method of recognizing a feature of an image may include receiving an input image including an object; extracting first feature information using a first layer of a neural network, the first feature information indicating a first feature corresponding to the input image among a plurality of first features; extracting second feature information using a second layer of the neural network, the second feature information indicating a second feature among a plurality of second features, the indicated second feature corresponding to the first feature information; and recognizing an element corresponding to the object based on the first feature information and the second feature information.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: July 9, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seungju Han, Sungjoo Suh, Jaejoon Han, Chang Kyu Choi
  • Patent number: 10346601
    Abstract: A method for a device to acquire biometric information includes acquiring a plurality of images including an ocular region using an infrared ray (IR) image sensor, detecting a sclera region in each of the plurality of acquired images, sensing a change of the detected sclera region, and determining biometric information based on information on the sensed change of the sclera region.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: July 9, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-kuk Yun, Je-in Yu, Dae-kwang Jung, Jun-ho Koh, Byeong-hoon Kwak, Sung-chan Kim, Chang-han Kim, Hyun-jung Kim, In-hak Na, Kang-jin Yoon, Yong-chan Lee
  • Patent number: 10343515
    Abstract: A fuel filling apparatus and method for a bi-fuel vehicle using both gasoline and liquefied petroleum gas (LPG) as fuel are provided to an LPG fuel tank. The fuel filling apparatus and method are capable of temporarily burning a portion of LPG fuel after collecting a fuel portion, using a gasoline fuel tank and a canister, when the internal pressure of the LPG fuel tank in the bi-fuel vehicle is equal to or greater than an LPG filling pressure of a filling gun. Additionally, the internal pressure of the LPG fuel tank is decreased to a level below the LPG filling pressure of the filling gun, thereby achieving smoother LPG fuel filling of the LPG fuel tank by the filling gun.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: July 9, 2019
    Assignee: Hyundai Motor Company
    Inventors: Chang Han Kim, Jong Ki Kim, Jae Hwa Park, Jae Min Lee
  • Patent number: 10343405
    Abstract: A manufacturing method of a fluid control device is provided. Firstly, a housing, a piezoelectric actuator and a deformable substrate are provided. The piezoelectric actuator includes a piezoelectric element and a vibration plate having a bulge. The deformable substrate includes a flexible plate and a communication plate. The flexible plate includes a movable part. Then, the flexible plate and the communication plate are stacked on and coupled with each other to form the deformable substrate. Then, the housing, the piezoelectric actuator and the deformable substrate are sequentially stacked on each other and coupled with each other. A synchronous deformation process is implemented by applying at least one external force to the deformable substrate, so that the flexible plate and the communication plate of the deformable substrate are subjected to a synchronous deformation, and a specified depth between the movable part and the bulge of the vibration plate is defined.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: July 9, 2019
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Shih-Chang Chen, Ying-Lun Chang, Hsiang-Dyi Wu, Chi-Feng Huang, Yung-Lung Han, Jia-Yu Liao, Jheng-Wei Chen
  • Publication number: 20190204025
    Abstract: A combined heat sink has multiple dissipation fins serially mounted together. Each one of the dissipation fins has a body and two flanges. The body has at least one through hole formed through the body. The two flanges are respectively formed on one of two surfaces of the body, and have at least one connecting arm. Multiple protrusions protrude on the at least one connecting arm, and a width of the at least one through hole is smaller than a total width of the at least one connecting arm and the multiple protrusions. When the multiple dissipation fins are mounted together, the protrusions of the at least one connecting arm of each dissipation fin pass through the at least one through hole of an adjacent one of the dissipation fins, and abut an area near the at least one through hole to avoid separations of the dissipation fins.
    Type: Application
    Filed: October 1, 2018
    Publication date: July 4, 2019
    Inventor: Chang-han Tsai
  • Publication number: 20190200897
    Abstract: A micro acetone detecting device is provided. The micro acetone detecting device includes a circuit board, a casing, an acetone sensor and an air pump. The casing has a first through hole and a second through hole. The casing is assembled on the circuit board, and an interior of the casing and the circuit board define an accommodation space. The acetone sensor is disposed in the accommodation space and electrically connected to the circuit board. The air pump is disposed in the accommodation space and electrically connected to the circuit board. When the air pump is actuated to change the pressure of the gas in the accommodation space, the gas flows into the accommodation space through the first through hole, and the gas in the accommodation space is measured by the acetone sensor to obtain an acetone concentration, and then the gas is discharged out through the second through hole.
    Type: Application
    Filed: November 28, 2018
    Publication date: July 4, 2019
    Applicant: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan MOU, Hung-Hsin LIAO, Shih-Chang CHEN, Jia-Yu LIAO, Shou-Hung CHEN, Chi-Feng HUANG, Yung-Lung HAN, Wei-Ming LEE
  • Publication number: 20190203445
    Abstract: A tooth for a bucket of an excavator includes a point body having a hollow insertion recess and having a pair of coupling holes provided at positions facing each other on the opposite sides, and a pair of connection units respectively inserted into the pair of coupling holes and having a unit body and a protrusion protruding from the unit body, wherein the point body includes: a guide portion positioned in each of the coupling holes and guiding a rotational operation of the protrusion, a fixing portion fixing a position of each of the inserted connection unit, a buffer portion positioned between the fixing portion and an inner surface of the point body and surrounding the fixing portion, and a support where the fixing portion and the buffer portion are positioned.
    Type: Application
    Filed: October 11, 2018
    Publication date: July 4, 2019
    Inventors: Keun Chul SONG, Dae Hyun RYU, Chang Woo LIM, Hwa Yong SHIN, Ryun Han LEE
  • Patent number: 10339253
    Abstract: A method of yield prejudgment and bump re-assignment for a die is provided. The die includes a plurality of areas. Each area is electrically connected to a substrate through a corresponding bump. The successful-connection probability of each area is prejudged. The die is divided into a signal region and a short-circuit region according to the successful-connection probabilities. The positions of the bumps are arranged so that signal bumps are disposed in the signal region and power bumps are disposed in the short region.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: July 2, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chi-Han Lee, Ding-Ming Kwai, Chang-Tzu Lin, I-Hsuan Lee
  • Publication number: 20190195848
    Abstract: A VOC detecting and warning method is provided. Firstly, an actuating-and-sensing module having a gas transportation actuator and a gas sensor is provided. Then, the gas transportation actuator is enabled to guide a specific amount of gas to the gas sensor in each monitoring time interval, so that each monitored value of a VOC in the specific amount of the gas corresponding to each monitoring time interval is acquired. A plurality of the monitoring time intervals define a time unit. Then, the monitored values during the time unit are added up to obtain a metabolism comparison value. If the metabolism comparison value is larger than a warning threshold value that is defined according to an upper limit of the VOC that a human subject inhales per time unit, the actuating-and-sensing module issues an emergency call, thereby providing a user with a protective measure.
    Type: Application
    Filed: November 15, 2018
    Publication date: June 27, 2019
    Applicant: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan Mou, Ta-Wei Hsueh, Shih-Chang Chen, Chi-Feng Huang, Yung-Lung Han, Hsuan-Kai Chen
  • Publication number: 20190198117
    Abstract: To program in a nonvolatile memory device, a memory block is provided with a plurality of sub blocks disposed in a vertical direction where the memory block includes a plurality of cell strings each including a plurality of memory cells connected in series and disposed in the vertical direction. A plurality of intermediate switching transistors are disposed in a boundary portion between two adjacent sub blocks in the vertical direction. Each of the plurality of intermediate switching transistors is selectively activated based on a program address during a program operation. The selectively activating each of the plurality of intermediate switching transistors includes selectively turning on one or more intermediate switching transistors in a selected cell string based on the program address.
    Type: Application
    Filed: September 25, 2018
    Publication date: June 27, 2019
    Inventors: Chang-Yeon YU, Kui-Han KO, Il-Han PARK, June-Hong PARK, Joo-Yong PARK, Joon-Young PARK, Bong-Soon LIM
  • Publication number: 20190197331
    Abstract: A processor-implemented liveness test method includes detecting a face region in a query image, the query image including a test object for a liveness test, determining a liveness test condition to be applied to the test object among at least one liveness test condition for at least one registered user registered in a registration database, determining at least one test region in the query image based on the detected face region and the determined liveness test condition, obtaining feature data of the test object from image data of the determined at least one test region using a neural network-based feature extractor, and determining a result of the liveness test based on the obtained feature data and registered feature data registered in the registration database and corresponding to the determined liveness test condition.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 27, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Youngjun KWAK, Byung In YOO, Youngsung KIM, Chang Kyu CHOI, Jaejoon HAN
  • Patent number: 10330056
    Abstract: A fuel pump controller having an integrated air filter includes: a mounting plate fixed to a fuel tank; a motor driver provided on the mounting plate; an air filter having a filter sheet disposed inside a filter case to remove a foreign substance from air and having an air inlet port for air introduction; and an air outlet port for discharging the air, which has passed through the filter sheet. The filter case is integrally disposed on the mounting plate to enable heat exchange between the air passing therethrough and the motor driver.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: June 25, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Chang Han Kim, Jong Ki Kim, Jae Min Lee
  • Publication number: 20190188510
    Abstract: An object recognition apparatus and method are provided. The apparatus includes a processor configured to verify a target image using an object model and based on reference intermediate data extracted by a partial layer of the object model as used in an object recognition of an input image, in response to a failure of a verification of the input image after a success of the object recognition of the input image, and perform an additional verification of the target image in response to the target image being verified in the verifying of the target image.
    Type: Application
    Filed: October 31, 2018
    Publication date: June 20, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: SeungJu HAN, SungUn PARK, JaeJoon HAN, Jinwoo SON, ChangYong SON, Minsu KO, Jihye KIM, Chang Kyu CHOI
  • Publication number: 20190187035
    Abstract: A particulate matter measuring device includes a gas transporting actuator, a micro particle sensor and a laser module. The micro particle sensor is disposed corresponding in position to the gas transporting actuator. The laser module is disposed between the gas transporting actuator and the micro particle sensor and emits a laser beam between the gas transporting actuator and the micro particle sensor. The air flowing between the gas transporting actuator and the micro particle sensor is irradiated by the laser beam. The micro particle sensor analyzes sizes of suspended particles in the air and calculates concentrations of the suspended particles. The air is ejected at high speed by the gas transporting actuator to perform a cleaning operation on a surface of the micro particle sensor so as to remove the suspended particles on the surface of the micro particle sensor and maintain accuracy of the micro particle sensor.
    Type: Application
    Filed: November 6, 2018
    Publication date: June 20, 2019
    Applicant: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan MOU, Shih-Chang CHEN, Jia-Yu LIAO, Yung-Lung HAN, Chi-Feng HUANG, Chang-Yen TSAI, Chiu-Lin LEE, Hsuan-Kai CHEN, Wei-Ming LEE