Patents by Inventor Chih-Hung Chang

Chih-Hung Chang 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: 20200236814
    Abstract: A cooling device for data center includes: a housing chamber configured for housing the data center; an air inlet plenum positioned at one side of the housing chamber and configured for inflowing of external natural wind; an air outlet plenum positioned at another side of the housing chamber; an air return plenum defining two opposite ends communicated with the air inlet plenum and the air outlet plenum, and comprising a return air damper; a controller connected to the return air damper and adapted for controlling the opening and closing of the return air damper; and a refrigeration module located in the air inlet plenum and connected to the controller. A cooling system for data center is also provided.
    Type: Application
    Filed: March 8, 2019
    Publication date: July 23, 2020
    Inventors: TZE-CHERN MAO, YEN-CHUN FU, CHIH-HUNG CHANG, HUI-HSUAN WANG, YAO-TING CHANG, CHAO-KE WEI
  • Publication number: 20200236802
    Abstract: A chassis includes a case and a sliding cover mounted on the case. The case defines a receiving space configured to receive electronic equipment and cooling liquid. The sliding cover includes a sliding frame and a number of cover plates. The sliding frame is arranged in an opening of the receiving space. Each of the cover plates is slidably mounted in the sliding frame. The cover plates cooperatively seal the receiving space when the cover plates are not overlapped with each other in the sliding frame.
    Type: Application
    Filed: January 25, 2019
    Publication date: July 23, 2020
    Inventors: CHIH-HUNG CHANG, CHAO-KE WEI, TZE-CHERN MAO, YEN-CHUN FU
  • Publication number: 20200196489
    Abstract: A heat dissipation apparatus for a plurality of heat-generating electrical devices in a server dissipates heat of the heat-generating electrical devices by using heat-absorbing liquid. The apparatus includes a container, an inlet pipe, and an outlet pipe. The container contains a non-conductive coolant liquid and the plurality of heat-generating electrical devices are entirely submerged in the coolant liquid.
    Type: Application
    Filed: December 27, 2018
    Publication date: June 18, 2020
    Inventors: CHIH-HUNG CHANG, CHAO-KE WEI, TZE-CHERN MAO, YEN-CHUN FU, YAO-TING CHANG, LI-WEN CHANG
  • Patent number: 10667434
    Abstract: A liquid immersion cooling device includes a mounting frame, a liquid reservoir mounted to the mounting frame, and a cold source distributor mounted on an outer side of the mounting frame. The liquid reservoir is configured to immerse a server in an insulating coolant. The liquid reservoir is movably mounted to the mounting frame. The cold source distributor comprises a telescopic cold source tube and a telescopic heat return tube. An output end of the cold source tube and an output end of the heat return tube are coupled to the liquid reservoir. When the liquid reservoir is pulled out of the mounting frame, the cold source tube and the heat return tube are extended by the liquid reservoir to a predetermined length. When the liquid reservoir is pushed into the mounting frame, the cold source tube and the heat return tube are retracted.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: May 26, 2020
    Assignee: HONGFUJIN PRECISION ELECTRONICS (TIANJIN) CO., LTD.
    Inventors: Tze-Chern Mao, Li-Wen Chang, Chao-Ke Wei, Yao-Ting Chang, Chih-Hung Chang, Yen-Chun Fu, Ching-Tang Liu
  • Patent number: 10645841
    Abstract: A cooling device includes a cooling tank, a support frame, and a rotary shaft. The cooling tank accommodates coolant and an electronic device. The electronic device is immersed in the coolant. The support frame defines an opening in a first side plate and a receiving space communicating with the opening. The cooling tank is received in the receiving space. The cooling tank includes a base plate and a sidewall. The rotary shaft is rotationally mounted to a bottom corner of the cooling tank formed by the base plate and the sidewall. The rotary shaft serves as a rotating axis of the cooling tank to rotate the cooling tank out of the opening.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: May 5, 2020
    Assignee: HONGFUJIN PRECISION ELECTRONICS (TIANJIN) CO., LTD.
    Inventors: Tze-Chern Mao, Yao-Ting Chang, Chih-Hung Chang, Yen-Chun Fu, Li-Wen Chang, Chao-Ke Wei
  • Publication number: 20200071070
    Abstract: An equipment moving device for moving equipment in and out of a container includes a base, a cover rotationally coupled to the base, a driving member mounted to an outer side of the cover, a transmission assembly mounted within the base and the cover and coupled to the driving member, and a pushing member. One end of the pushing member is coupled to the transmission assembly, and another end of the pushing member is mounted to the equipment. The driving member causes the transmission assembly to drive the pushing member to move the equipment.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 5, 2020
    Inventors: CHIH-HUNG CHANG, YEN-CHUN FU, TZE-CHERN MAO
  • Publication number: 20200071066
    Abstract: A movable equipment loading and unloading structure for movably mounting equipment within a container includes a loading and unloading assembly and a guide assembly. The loading and unloading assembly includes a loading and unloading rail mounted to a ceiling of the container and a loading and unloading wheel assembly movably coupled to the loading and unloading rail. The loading and unloading wheel assembly is mounted to a side of the equipment. The guide assembly includes a guide rail mounted to a floor of the container and at least one guide wheel rollably coupled to the guide rail. The guide wheel is mounted to another side of the equipment opposite to the side mounted to the loading and unloading wheel assembly.
    Type: Application
    Filed: November 2, 2018
    Publication date: March 5, 2020
    Inventors: CHIH-HUNG CHANG, YEN-CHUN FU, TZE-CHERN MAO, CHAO-KE WEI
  • Patent number: 10568234
    Abstract: A liquid-immersion cooling device includes a reservoir, a partition board, and a heat exchanger. The reservoir contains coolant to immerse the electronic device. The partition board and the heat exchanger are mounted within the reservoir. The partition board is arranged parallel to the electronic device. The heat exchanger and the electronic device are respectively arranged on opposite sides of the partition board within the reservoir. The partition board is configured to guide a flow of the coolant within the reservoir. When the coolant flows through the electronic device and carries away heat generated by the electronic device, the coolant carrying the heat is guided by the partition board to flow through the heat exchanger. After exchanging heat with the heat exchanger, the coolant is guided by the partition board to flow through the electronic device.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: February 18, 2020
    Assignee: HONGFUJIN PRECISION ELECTRONICS (TIANJIN) CO., LTD.
    Inventors: Tze-Chern Mao, Chih-Hung Chang, Yen-Chun Fu, Yao-Ting Chang, Li-Wen Chang, Chao-Ke Wei
  • Patent number: 10415757
    Abstract: A heat exchange system employed to gasify liquid natural gas (LNG) or for other required purpose includes the cold substance such as LNG, a heat dissipation apparatus, a water storage tank, a heating portion, and a cooling portion. The heating portion is coupled between the cold substance and the water storage tank. The cooling portion is coupled between the heat dissipation apparatus and the water storage tank. The cooling portion transmits heat of the heat dissipation apparatus to water of the water storage tank to cool the heating portion, and the heating portion transmits heat of the water of the water storage tank to the cold substance.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: September 17, 2019
    Assignee: HONGFUJIN PRECISION ELECTRONICS (TIANJIN) CO., LTD.
    Inventors: Tze-Chern Mao, Chih-Hung Chang, Yen-Chun Fu, Chao-Ke Wei, Yao-Ting Chang, Hung-Chou Chan
  • Patent number: 10330262
    Abstract: A heat exchange system includes a cold source, a heat dissipation apparatus, a water storage tank, a heating portion, and a cooling portion. The heating portion is coupled between the cold source and the water storage tank. The cooling portion is coupled between the heat dissipation apparatus and the water storage tank. The cooling portion transmits heat of the heat dissipation apparatus to water of the water storage tank to cool the heating portion, and the heating portion transmits heat of the water of the water storage tank to the cold source to heat the cold source.
    Type: Grant
    Filed: May 8, 2016
    Date of Patent: June 25, 2019
    Assignee: Cloud Network Technology Singapore Pte. Ltd.
    Inventors: Tze-Chern Mao, Chih-Hung Chang, Yen-Chun Fu, Chao-Ke Wei, Yao-Ting Chang, Hung-Chou Chan
  • Patent number: 10299663
    Abstract: A wide-angle illumination device includes a base, a first light guiding module and two second light guiding modules. The base includes a central region and two lateral regions, and the two lateral regions are respectively located on opposite positions of the central region. A first light emitting module is disposed on the central region, and two second light emitting modules are disposed on the two lateral regions. The first light guiding module is disposed on the central region and matched with the first light emitting module, to guide a first optical signal of the first light emitting module toward a front of the base. The two second light guiding modules are disposed on the lateral regions and matched with the second light emitting modules, to guide a second optical signal of the second light emitting module out of an end of the base.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: May 28, 2019
    Assignee: VIVOTEK INC.
    Inventors: Chih-Hung Chang, Yi-Hsin Yeh
  • Patent number: 10274421
    Abstract: Disclosed herein are embodiments of sensor devices comprising a sensing component able to determine the presence of, detect, and/or quantify detectable species in a variety of environments and applications. The sensing components disclosed herein can comprise MOF materials, plasmonic nanomaterials, redox-active molecules, a metal, or any combinations thereof. In some exemplary embodiments, optical properties of the plasmonic nanomaterials and/or the redox-active molecules combined with MOF materials can be monitored directly to detect analyte species through their impact on external conditions surrounding the material or as a result of charge transfer to and from the plasmonic nanomaterial and/or the redox-active molecule as a result of interactions with the MOF material.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: April 30, 2019
    Assignees: Oregon State University, U.S. Department of Energy
    Inventors: Chih-hung Chang, Ki-Joong Kim, Alan X. Wang, Yujing Zhang, Xinyuan Chong, Paul R. Ohodnicki
  • Publication number: 20190096513
    Abstract: Systems and methods are disclosed for the measurement of patient outcomes in a rehabilitation setting. In one exemplary method, an assessment relating to self-care is provided, an assessment relating to mobility is provided, and an assessment relating to cognition is provided, wherein the assessments have been pre-selected using item response theory.
    Type: Application
    Filed: September 26, 2018
    Publication date: March 28, 2019
    Inventors: Chih-Hung Chang, Andrew Bodine, James A. Sliwa
  • Publication number: 20190093824
    Abstract: A heat exchange system employed to gasify liquid natural gas (LNG) or for other required purpose includes the cold substance such as LNG, a heat dissipation apparatus, a water storage tank, a heating portion, and a cooling portion. The heating portion is coupled between the cold substance and the water storage tank. The cooling portion is coupled between the heat dissipation apparatus and the water storage tank. The cooling portion transmits heat of the heat dissipation apparatus to water of the water storage tank to cool the heating portion, and the heating portion transmits heat of the water of the water storage tank to the cold substance.
    Type: Application
    Filed: November 29, 2018
    Publication date: March 28, 2019
    Inventors: TZE-CHERN MAO, CHIH-HUNG CHANG, YEN-CHUN FU, CHAO-KE WEI, YAO-TING CHANG, HUNG-CHOU CHAN
  • Patent number: 10189003
    Abstract: Systems and methods for synthesizing nanocrystals using continuous, microwave-assisted, segmented flow reactor.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: January 29, 2019
    Assignee: OREGON STATE UNIVERSITY
    Inventors: Ki-Joong Kim, Eric Bradley Hostetler, Gregory Scott Herman, Daniel Alan Peterson, Chih-hung Chang, Brendan Thomas Flynn, Brian Kevin Paul, Richard Paul Oleksak, Padmavathi Chandran, Bob C. Fitzmorris, Gustavo Henrique Albuquerque
  • Publication number: 20190011966
    Abstract: A cooling system for a data center includes a cooling module and at least one heating module. The cooling module includes at least one cooling device and at least one airflow control switch. An air inlet is defined in the cooling module. The at least one heating module includes a heating device. When hot air flows into the air inlet, the at least one airflow control switch is closed, the hot air is cooled by the cooling device and passes through the heating device to cool the heating device.
    Type: Application
    Filed: September 13, 2018
    Publication date: January 10, 2019
    Inventors: TZE-CHERN MAO, CHIH-HUNG CHANG, YEN-CHUN FU, YAO-TING CHANG, CHAO-KE WEI, HUNG-CHOU CHAN
  • Patent number: 10177021
    Abstract: Aspects of the present disclosure are directed to methods and apparatuses involving a chip carrier having openings therein that align integrated circuit (IC) chips relative to an alignment feature. The IC chips and carrier are tested, such as by final testing the affixed IC chips after manufacture, and further testing after subjecting the affixed IC chips to one or more stress conditions. A test probe is aligned to one or more contacts on each chip based on the location of an alignment feature of the carrier relative to the opening in which the IC chip being tested is located. Responsiveness of the IC chip, before and after application of the one or more stress conditions, can be assessed by probing the IC chip via the aligned test probe, and assessing electrical signals received over the test probe.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: January 8, 2019
    Assignee: NXP B.V.
    Inventors: Chung Hsiung Ho, Wen-Hsuan Lin, Ju-Hsuan Ko, Chih Hung Chang
  • Publication number: 20180376622
    Abstract: A heat exchange system includes a heat-absorbing substance such as Liquid Natural Gas (LNG), a heat dissipation apparatus, a water storage tank, a heating portion, and a cooling portion. The heating portion is coupled between the LNG and the water storage tank. The cooling portion is coupled between the heat dissipation apparatus and the water storage tank. The cooling portion transfers heat of the heat dissipation apparatus to water of the water storage tank to cool the heating portion, and the heating portion transfers heat of the water of the water storage tank to the LNG.
    Type: Application
    Filed: August 15, 2017
    Publication date: December 27, 2018
    Inventors: TZE-CHERN MAO, YEN-CHUN FU, CHIH-HUNG CHANG, CHAO-KE WEI, LI-WEN CHANG, CHING-TANG LIU, HUNG-CHOU CHAN
  • Patent number: 10117595
    Abstract: A method and an apparatus for detecting cardiac arrhythmia and a recording medium using the method are provided. In the method, physiological signals of a human comprising a sequence of heart pulses are acquired, and an average of heartbeat intervals between pairs of consecutive heart pulses in the sequence of heart pulses is calculated. Each pair of consecutive heartbeat intervals is examined to identify premature ventricular contraction (PVC) candidates or atrial premature contraction (APC) candidates based on whether a difference between the pair of consecutive heartbeat intervals is larger than a product of a factor and the average of heartbeat intervals and whether an average of the pair of consecutive heartbeat intervals is within a predetermined range.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: November 6, 2018
    Assignee: HTC Corporation
    Inventors: Chih-Hung Chang, Emily Joanne Chang, Tung-Peng Wu
  • Publication number: 20180254137
    Abstract: A variable coupled inductor comprises a first core having a first protrusion, a second protrusion, a third protrusion, a first conducting-wire groove and a second conducting-wire groove on the top surface of the first core, wherein the second protrusion is disposed between the first protrusion and the third protrusion, wherein a first conducting wire is disposed in the first conducting-wire groove, and a second conducting wire is disposed in the second conducting-wire groove, wherein a second core, disposed over the first core, wherein a magnetic structure is integrally formed with the second core and protruded on the bottom surface of the second core, wherein the bottom surface of the magnetic structure is located over the top surface of the second protrusion.
    Type: Application
    Filed: May 7, 2018
    Publication date: September 6, 2018
    Inventors: Lan-Chin Hsieh, Cheng-Chang Lee, Chih-Hung Chang, Chih-Siang Chuang, Tsung-Chan Wu, Roger Hsieh