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).

  • 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: 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
  • 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
  • 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
  • Publication number: 20190184502
    Abstract: A laser welding apparatus for laser-welding a first welding target and a second welding target seated on the first welding target includes a first jig on which the first welding target is seated, a second jig configured to press the first welding target such that the first welding target is adhered to the first jig, a third jig configured to press the second welding target such that the second welding target is adhered to the first welding target, one or more connection members connecting the second jig and the third jig such that the second welding target is pressed by the second jig when the first welding target is pressed by the first jig, and a laser head configured to laser-weld the first welding target and the second welding target by irradiating a laser beam to a specific welding part of the second welding target.
    Type: Application
    Filed: July 18, 2018
    Publication date: June 20, 2019
    Inventors: Duck Whan Kim, Kwi Seong Jeong, Jung Han Yu, Young Bum Kum, Young Je Lee, Tae Min Lee, Yong Woo Choi, Chang Jun Lee
  • Patent number: 10325832
    Abstract: An air-cooling heat dissipation device is provided for removing heat from an electronic component. The air-cooling heat dissipation device includes a supporting substrate, an air pump and a heat sink. The supporting substrate includes a top surface, a bottom surface, an introduction opening and a thermal conduction plate. The thermal conduction plate is located over the top surface of the supporting substrate and aligned with the introduction opening. The electronic component is disposed on the thermal conduction plate. The air pump is fixed on the bottom surface of the supporting substrate and aligned with the introduction opening. The heat sink is attached on the electronic component. When the air pump is enabled, an ambient air is introduced into the introduction opening to remove the heat from the thermal conduction plate.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: June 18, 2019
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Jia-Yu Liao, Shih-Chang Chen, Che-Wei Huang, Chi-Feng Huang, Yung-Lung Han
  • Publication number: 20190180128
    Abstract: A user registration device and method is disclosed. The user registration device compares an initial image stored in a database and a newly input candidate image, and determines whether to generate and manage an additional database based on the similarity between the initial image and the candidate image.
    Type: Application
    Filed: September 18, 2018
    Publication date: June 13, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seungju HAN, Minsu KO, Chang Kyu CHOI, Jaejoon HAN, Wonsuk CHANG
  • Publication number: 20190181351
    Abstract: The present invention relates to a composition for an organic optoelectronic element, an organic optoelectronic element employing the composition, and a display device, wherein the composition comprises: a first compound for an organic optoelectronic element, represented by Chemical Formula 1; and a second compound for an organic optoelectronic element, comprising a combination of a moiety represented by Chemical Formula 2 and a moiety represented by Chemical Formula 3. The details of chemical formulas 1 to 3 are as defined in the specification.
    Type: Application
    Filed: May 10, 2017
    Publication date: June 13, 2019
    Inventors: Kipo JANG, Jun Seok KIM, Jinhyun LUI, Chang Ju SHIN, Sujin HAN, Youngkwon KIM, Eun Sun YU, Sung-Hyun JUNG, Ho Kuk JUNG
  • Patent number: 10321426
    Abstract: An apparatus and method for detecting synchronization and signals using block data processing in a receiving system are provided. To process an input signal, a cumulative matrix is obtained from an input vector signal for each frame generated from the signal. A primary eigenvector is extracted from the cumulative matrix, and the maximum value of a correlation vector is calculated from the extracted primary eigenvector. A time delay is detected by comparing the calculated maximum value of the correlation vector with a first threshold value, and a delay correlation vector is calculated from the detected time delay. Finally, synchronization and signals are detected by comparing the calculated delay correlation vector with a second threshold value.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: June 11, 2019
    Assignees: Samsung Electronics Co., Ltd., Electronics and Telecommunications Research Institute
    Inventors: Chang Wahn Yu, Youn Ok Park, Chong Hyun Lee, Jun-Woo Kim, Seungjae Bahng, Byung-Han Ryu, Jung Pil Choi, Young Jo Bang
  • Patent number: 10318806
    Abstract: A method and device for controlling an irradiating light for photographing an iris is provided. The device includes a light source configured to generate light, an active lens configured to have an adjustable refractive index to change light passing through the active lens, an image capturer configured to capture an image of the iris by using a camera, and a controller configured to control the active lens to change the light passing through the active lens based on distance, motion and ambient light levels.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: June 11, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-kwang Jung, Je-in Yu, In-kuk Yun, Jun-ho Koh, Byeong-hoon Kwak, Sung-chan Kim, Yang-wook Kim, Chang-han Kim, Hyun-jung Kim, In-hak Na, Kang-jin Yoon, Yong-chan Lee, Jae-ho Jung
  • Publication number: 20190170717
    Abstract: A gas detecting device includes an actuating-and-sensing module, a driving controller, a data storage device and a data processor. The actuating-and-sensing module includes a first gas sensor, a second gas sensor and a gas transportation actuator. The driving controller controls the actuations and non-actuations of the first gas sensor, the second gas sensor and the gas transportation actuator. The first gas sensor measures the target gas and transmits first gas measured information to the data storage device. The second gas sensor measures the target gas and transmits second gas measured information to the data storage device. The data processor calculates concentrations of the gases in the target gas by comparing the information stored in a gas database, the first gas measured information and the second gas measured information.
    Type: Application
    Filed: November 21, 2018
    Publication date: June 6, 2019
    Applicant: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan Mou, Ta-Wei Hsueh, Shih-Chang Chen, Li-Pang Mo, Yung-Lung Han, Chi-Feng Huang, Wei-Ming Lee, Chun-Yi Kuo
  • Patent number: 10314198
    Abstract: An air-cooling heat dissipation device is provided for removing heat from the electronic component. The air-cooling heat dissipation device includes a base and an air pump. The base includes a top surface, a bottom surface, two lateral walls, a guiding chamber, an introduction opening and plural discharge grooves. The two lateral walls are connected between the top surface and the bottom surface. The introduction opening is formed in the top surface. The guiding chamber runs through the bottom surface and is in communication with the introduction opening. The discharge grooves are formed in one of the lateral walls and in communication with the guiding chamber. The plural discharge grooves are oriented toward the electronic component, so that a lateral air flow generated by the air pump is discharged through the discharge grooves and passes the electronic component to remove heat therefrom.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: June 4, 2019
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Shih-Chang Chen, Jia-Yu Liao, Yung-Lung Han, Chi-Feng Huang
  • Patent number: 10307436
    Abstract: Provided are a food composition and a feed composition for removing amyloid plaques, each composition including ginsenoside F1, in which ginsenoside F1 is effective for removing amyloid plaques in the hippocampal area of the brain.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: June 4, 2019
    Assignee: INTELLIGENT SYNTHETIC BIOLOGY CENTER
    Inventors: Sun Chang Kim, Jin Hee Han, Bong Hwan Park
  • Publication number: 20190165281
    Abstract: Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device, an organic optoelectronic device including the same, and a display device. Details of Chemical Formula 1 are the same as defined in the specification.
    Type: Application
    Filed: January 18, 2017
    Publication date: May 30, 2019
    Inventors: Kipo JANG, Jun Seok KIM, Jinhyun LUI, Chang Ju SHIN, Sujin HAN, Youngkwon KIM, Eun Sun YU, Sung-Hyun JUNG, Ho Kuk JUNG