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: 20170200657
    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: Application
    Filed: January 13, 2016
    Publication date: July 13, 2017
    Inventors: Chung Hsiung Ho, Wen-Hsuan Lin, Ju-Hsuan Ko, Chih Hung Chang
  • Publication number: 20170196126
    Abstract: A data center cooling system utilizing natural elements in the environment includes a housing, a chimney, and a data center. The housing defines a cold air channel and a hot air channel separated by at least one separating piece. The chimney is mounted on the housing and aligned to the hot air channel. The data center is located in the housing. The data center includes an air inlet side and an air outlet side. The air inlet side is located in the cold air channel. The air outlet side is located in the hot air channel. Air from the cold air channel flows in the data center from the air inlet side to absorb heat of the data center, flows out of the data center into the hot air channel via the air outlet side, and is exhausted out of the housing via the chimney.
    Type: Application
    Filed: February 26, 2016
    Publication date: July 6, 2017
    Inventors: TZE-CHERN MAO, CHIH-HUNG CHANG, YEN-CHUN FU, CHAO-KE WEI, YAO-TING CHANG, HUNG-CHOU CHAN
  • Patent number: 9693573
    Abstract: The invention relates generally to remote data collecting systems and methods. In a general aspect, the present invention provides a remote data collecting system comprising a measuring device having at least two scales in communication with a web server. The web server can be used to display data from the measuring device on a website to be accessed by one or more users, for example, using a computing device. The remote data collecting system is particularly useful for real-time, uncontrolled environment (e.g., in-home) product testing.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: July 4, 2017
    Assignee: NESTEC SA
    Inventors: Xue Ling Wang, David Chih-Hung Chang, Bao Zhong Hu, Ruguo Hu
  • Patent number: 9661201
    Abstract: An image monitoring apparatus includes a casing, a camera module in the casing, and a lighting module disposed on the casing and located above or under the camera module on a plane corresponding to a vertical angle of view of the camera module. A horizontal light-emitting plane of a LED of the lighting module is perpendicular to the plane corresponding to the vertical angle of view. A lens of the lighting module covers the LED and has a convex light-exit surface, a bottom surface, and a concave light-entrance surface. A long axis of the convex light-exit surface is located at the horizontal light-emitting plane. A section thickness of the lens from the concave light-entrance surface to the convex light-exit surface along the long axis is greater than a section thickness of the lens from the concave light-entrance surface to the convex light-exit surface along a normal of the bottom surface.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: May 23, 2017
    Assignee: VIVOTEK INC.
    Inventors: Chiung-Wei Tsai, Yi-Hsin Yeh, Chih-Hung Chang
  • Publication number: 20170127572
    Abstract: A data center cooling system includes a housing and a number of container data centers. The housing includes an enclosure and a roof. The enclosure defines at least one first air inlet. The roof is attached to the top of the enclosure and defines an air vent. The housing defines a vertical exhaust channel and a plurality of receiving spaces within the enclosure. The exhaust channel communicates with the air inlet. The receiving spaces communicate with the exhaust channel and the air inlet. The container data centers are received in the receiving spaces. A gap is formed between the container data center and the receiving space to allow the air from the first air inlet to flow through the exhaust channel through the gap to expel hot air surrounding the container data centers out of the air vent of the exhaust channel.
    Type: Application
    Filed: December 21, 2015
    Publication date: May 4, 2017
    Inventors: TZE-CHERN MAO, CHAO-KE WEI, YAO-TING CHANG, HUNG-CHOU CHAN, YEN-CHUN FU, CHIH-HUNG CHANG
  • Publication number: 20170127571
    Abstract: A heat dissipating system for a data center includes a data center and an air processing unit. The data center includes an enclosure and an electronic device, and defines a first air vent and a second air vent. The air processing unit includes a case and an air processing device. The case defines a first air inlet, a second air inlet, and a first air outlet. At least one air inlet damper is mounted on the case, and a first return air damper is mounted in the case. The data center can adjust cooling based on ambient temperature through the air inlet damper and the first return air damper.
    Type: Application
    Filed: November 19, 2015
    Publication date: May 4, 2017
    Inventors: TZE-CHERN MAO, CHIH-HUNG CHANG, YEN-CHUN FU, YAO-TING CHANG, CHAO-KE WEI, HUNG-CHOU CHAN
  • Publication number: 20170112023
    Abstract: A cooling system for data center includes a server cabinet, a electronic equipment and a cooling module. The server cabinet includes a number of first check valves and second check valves. The cooling module includes a number of first cooling fans and heat-exchange equipments. The cooling system for data center can turn on or turn off the first cooling fans or the heat-exchange equipments to cool the electronic equipment if needed.
    Type: Application
    Filed: December 18, 2015
    Publication date: April 20, 2017
    Inventors: TZE-CHERN MAO, CHIH-HUNG CHANG, YEN-CHUN FU, YAO-TING CHANG, CHAO-KE WEI, HUNG-CHOU CHAN
  • Publication number: 20170112025
    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. When cool air flows into the air inlet, the at least one airflow control switch is open, the cool air passes through the at least one airflow control switch and the heating device to cool the heating device.
    Type: Application
    Filed: December 17, 2015
    Publication date: April 20, 2017
    Inventors: TZE-CHERN MAO, CHIH-HUNG CHANG, YEN-CHUN FU, YAO-TING CHANG, CHAO-KE WEI, HUNG-CHOU CHAN
  • Patent number: 9623396
    Abstract: Systems and methods for synthesizing high-quality nanocrystals via segmented, continuous flow microwave-assisted reactor were developed.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: April 18, 2017
    Assignee: STATE OF OREGON ACTING BY AND THROUGH THE STATE BOARD OF HIGHER EDUCATION ON BEHALF OF 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
  • Publication number: 20170105318
    Abstract: A container data center includes a container, two server cabinet groups, and a power supply equipment group. The container includes an interior. The two server cabinet groups are respectively arranged at two opposite ends of the interior of the container. The power supply equipment group is arranged in the container between the two server cabinet groups.
    Type: Application
    Filed: November 16, 2015
    Publication date: April 13, 2017
    Inventors: TZE-CHERN MAO, CHIH-HUNG CHANG, YEN-CHUN FU, YAO-TING CHANG, CHAO-KE WEI, HUNG-CHOU CHAN
  • Publication number: 20170094839
    Abstract: A heat dissipating system for a data center includes a return air area and an installation area. The return air area defines a return air damper and an air outlet, and the installation area defines an air inlet damper and an air outlet damper. The installation area includes a fan control unit, a humidity control unit and an electronic device. When the humidity control unit detects that the humidity value in the installation area is greater than a standard value, the humidity control unit controls the return air damper to partly open. Warmed air generated by the electronic device partly flows to the return air area through the return air damper, and the cold air and the warmed air are mixed. The mixed air is configured to dissipate heat for the electronic device, and the humidity in the data center is reduced.
    Type: Application
    Filed: October 30, 2015
    Publication date: March 30, 2017
    Inventors: HUI-FENG WU, HUNG-CHOU CHAN, CHIH-HUNG CHANG, CHING-BAI HWANG, CHIH-YUAN LIN, PEI-PIN PAI
  • Publication number: 20170071482
    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: Application
    Filed: September 15, 2015
    Publication date: March 16, 2017
    Inventors: Chih-Hung Chang, Emily Joanne Chang, Tung-Peng Wu
  • Patent number: 9572289
    Abstract: Data center includes a first container and a second container containing data racks therein. The first container includes an air intake for inputting outside cooling air into the first container. The second container contacts the first container via a base between the first container and the second container. The base defines a cooling air passage and heated air passage both communicating the first container and the second container. The cooling air passage inputs cooling air from the first container to the second container. The heated air passage inputs heated air from the second container to the first container.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: February 14, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chih-Hung Chang, Shih-Chieh Chen
  • Publication number: 20170010060
    Abstract: Heterogeneous surfaces to tailor bubble nucleation, bubble sites, and bubble dynamics. In some embodiments, piezoelectric inkjet printing is employed to deposit hydrophobic polymer dot arrays having any predetermined pattern. In some further embodiments, a field region comprising hydrophilic nanostructures further surrounds these dot arrays. The hydrophobic sites may be disposed at a crater bottom to enhancing wicking and replenishment of evaporate. In some embodiments, a heat exchanger comprises the heterogeneous surface for enhanced critical heat flux. In some embodiments, an apparatus for conveying information comprises the heterogeneous surface to generate a 2D binary image with each bubble serving as an image pixel that corresponds to one or more site within the heterogeneous surface.
    Type: Application
    Filed: July 5, 2016
    Publication date: January 12, 2017
    Inventors: Chih-Hung CHANG, Chang-Ho CHOI, Michele David
  • Patent number: 9534763
    Abstract: The disclosure provides a light-enhancing component and a photographic device having the same. The light-enhancing component includes a light reflective unit and a light source. The light reflective unit includes a first reflecting surface and a second reflecting surface. The light source is disposed between the first reflecting surface and the second reflecting surface. An inclination of the first reflecting surface is different from an inclination of the second reflecting surface.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: January 3, 2017
    Assignee: VIVOTEK INC.
    Inventors: Li-Shan Shih, Wen-Yuan Li, Chih-Hung Chang, Hsuen-Chun Lu
  • Publication number: 20160345400
    Abstract: A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value.
    Type: Application
    Filed: August 2, 2016
    Publication date: November 24, 2016
    Applicant: VIVOTEK INC.
    Inventors: Li-Shan SHIH, Yi-Chuan CHEN, Chih-Hung CHANG, Wen-Yuan LI
  • Publication number: 20160298823
    Abstract: A light emitting module includes a lens and first and second light sources aligning with the lens. The lens includes a first biconcave section having a first light-entrance concave surface and a first light-exit concave surface, a second biconcave section having a second light-entrance concave surface and a second light-exit concave surface, and a shared section having a light-exit shared surface. A tangent slope of the shared section where the light-exit shared surface is connected to the first light-exit concave surface is less than a tangent slope of the first biconcave section where the first light-exit concave surface is connected to the light-exit shared surface. A tangent slope of the shared section where the light-exit shared surface is connected to the second light-exit concave surface is larger than a tangent slope of the second biconcave section where the second light-exit concave surface is connected to the light-exit shared surface.
    Type: Application
    Filed: March 23, 2016
    Publication date: October 13, 2016
    Inventors: Li-Shan Shih, Yi-Hsin Yeh, Chih-Chung Wang, Chih-Hung Chang
  • Publication number: 20160302305
    Abstract: Highly conductive silver may be fabricated at room temperature using in-situ reactive silver precursor inks by microreactor-assisted printing without any post-processing. Reactive silver nanoinks, synthesized in-situ from the microreactor, may be directly delivered onto glass and polymeric substrates without any surface treatment to form a highly dense and uniform silver feature. The distribution of the reactive silver nanoinks can be controlled by adjusting the flow rate of the continuous flow. Silver lines may be fabricated using the in-situ reactive precursors delivered via a micro-channel applicator.
    Type: Application
    Filed: April 7, 2016
    Publication date: October 13, 2016
    Inventors: Chih-Hung CHANG, Chang-Ho CHOI
  • Publication number: 20160270264
    Abstract: A heat dissipation system for cabinet servers supported on a raised floor includes a condenser, airflow adjusting apparatus, a controller, and a temperature sensor located at an air outlet of each cabinet server. The raised floor defines air outlets adjacent to each cabinet server. The adjusting apparatus are mounted to the raised floor and aligning with the air outlets. Each of the airflow adjusting apparatus includes a number of shielding members rotatable relative to the raised floor and aligning with the air outlets, and a motor electrically coupled to the controller. The temperature sensors are electrically coupled to the controller. The condenser generates cool air entering the raised floor through the air inlet, to enter the cabinet servers through the airflow adjusting apparatus and the air outlets. The controller controls the shielding members to rotate, to change the opening size of the air outlets of the raised floor.
    Type: Application
    Filed: May 26, 2016
    Publication date: September 15, 2016
    Inventor: CHIH-HUNG CHANG
  • Patent number: 9439261
    Abstract: A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: September 6, 2016
    Assignee: VIVOTEK INC.
    Inventors: Li-Shan Shih, Yi-Chuan Chen, Chih-Hung Chang, Wen-Yuan Li