Patents by Inventor Yu-Han Chen

Yu-Han Chen 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: 9360949
    Abstract: There is provided a human interface device including a control chip and a plurality of control components. The control chip includes a voltage detection circuit coupled to the plurality of control components via a multiplexing pin and detects a voltage value on the multiplexing pin through the voltage detection circuit thereby identifying an operating state of the plurality of control components.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: June 7, 2016
    Assignee: PIXART IMAGING INC
    Inventors: Yu Han Chen, Chia Cheun Liang, Hsiang Sheng Liu, Chih Yen Wu, Chien Jung Huang, Chih Chung Tsai, Ming Tsan Kao
  • Publication number: 20160128628
    Abstract: A projected capacitive detecting system comprises a sensing pad device and a monitoring module. The sensing pad device comprises at least one sensing array unit and at least one control unit. The at least one sensing array unit comprises multiple sensing electrodes arranged in an array. The at least one control unit is electrically connected to the multiple sensing electrodes to receive capacitances of the multiple sensing electrodes. The at least one control unit performs a capacitance conversion to convert the capacitances of the multiple sensing electrodes to obtain multiple capacitive sensing values and digitize the multiple capacitive sensing values to obtain Boolean true/false results. The monitoring module is electrically connected to the at least one control unit to receive and display the multiple capacitive sensing values and the Boolean true/false results as references for determining human activities.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 12, 2016
    Inventor: Yu-Han CHEN
  • Patent number: 9335609
    Abstract: A driving system for an SMA based actuator having SMA wires or rods includes a capture module, a determination module, and four drive modules. The capture module captures current position of a lens module from a position sensor. The displacement difference between the current position and a target position is determined. The first drive module can rapidly or slowly increase the current to the SMA, or rapidly or slowly decrease the current to the SMA, causing fast or slow movement of a lens module in one direction or fast or slow movement in the opposite direction, to achieve the desired auto-focus of a camera module.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: May 10, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Yu-Han Chen
  • Patent number: 9229295
    Abstract: An exemplary image stabilizer includes a shaking sensor, a control module, a driving module, an image module, and a data adjusting module. The shaking sensor detects a shake of a lens associated with the image stabilizer. The control module stores a shake correcting setting having one or more error ranges. The driving module is controlled by the control module to move the lens according to the shake correcting setting. The image module captures an image through the corrected lens. The data adjusting module adjusts the shake correcting setting within one or more of the error ranges when a resolution value of the captured image is lower than a preset reference value.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: January 5, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yu-Han Chen, Ho-Kai Liang
  • Publication number: 20150359138
    Abstract: A detachable guiding mechanism is selectively disposed inside an electronic device and located above a half-height expansion card of the electronic device. The detachable guiding mechanism includes a bridging component and a guiding component. The bridging component includes at least one connecting portion. The guiding component is detachably assembled with the bridging component. The guiding component includes a contacting surface, a first guiding surface, a second guiding surface and at least one fixing portion. The contacting surface contacts against or abuts adjacent to an upper edge of the half-height expansion card since the detachable guiding mechanism is located above the half-height expansion card. The first guiding surface and the second guiding surface are connected to the contacting surface to respectively form a first angle and a second angle. The fixing portion is disposed on the connecting portion to detachably assemble the guiding component with the bridging component.
    Type: Application
    Filed: October 26, 2014
    Publication date: December 10, 2015
    Inventors: Shih-Huai Cho, Yi-Yu Chang, Yu-Han Chen, Yi-He Huang
  • Patent number: 9182834
    Abstract: There is provided a mouse device including a control chip and at least one control component. The control chip includes a voltage detection circuit coupled to the at least one control component through at least one multiplexing pin and detects at least one voltage value on the at least one multiplexing pin using the voltage detection circuit thereby identifying an operating state of the at least one control component.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: November 10, 2015
    Assignee: PIXART IMAGING INC
    Inventors: Chia Cheun Liang, Hsiang Sheng Liu, Yu Han Chen, Chien Jung Huang, Chih Chung Tsai, Chih Yen Wu, Ming Tsan Kao
  • Patent number: 9152016
    Abstract: An image capturing device includes a lens, a motor to move the lens, and a variety of modules. The variety of modules includes an interface control module, a module to control the lens movement, a determining module, and an analyzing module. The interface control module displays an input interface for inputting control data. The determining module determines an actual position of the lens according to the basic autofocus function. The analyzing module calculates an optimal autofocus position for the control data input, and determines a ratio between the actual position of the lens and the optimal autofocus position as a correction coefficient. When in use, after the correction coefficient has been set, the input control data is firstly modified according to the correction coefficient, and the lens is moved by the actuator to a modified autofocus position according to the corrected control data.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: October 6, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Ho-Kai Liang, Yu-Han Chen
  • Patent number: 9122124
    Abstract: An actuator includes a base, a stationary frame mounted on the base, a moveable frame supported on the base, and a driving unit. The stationary frame includes a receiving cavity, a first sidewall, a neighboring second sidewall, an upper end, and an opposing lower end. The stationary frame defines a first cutout in the first sidewall, a second cutout in the second sidewall, and a third cutout passing through the lower end. The first cutout and the second cutout communicate with the receiving cavity, and the third cutout is located between the first cutout and the second cutout and directly communicates with the first cutout and the second cutout. The moveable frame includes a main body received in the receiving cavity and a protruding portion received in the third cutout. The driving unit includes a guide pole, a first metal clip, a second metal clip, and a SMA wire.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: September 1, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Yu-Han Chen
  • Publication number: 20150240200
    Abstract: The present invention provides an isolated lactic acid bacterium, Lactobacillus plantarum subsp. plantarum K37 strain, deposited in DSME-DEUTSCHE SAMMLUNG VON MIKROORGANISMEN UND ZELLKULTUREN GmbH under Accession No. DSM 27445. The present invention further provides a pharmaceutical composition comprising the isolated lactic acid bacterium (Lactobacillus plantarum subsp. plantarum K37). Moreover, the present invention provides a method for preventing or treating a disorder in a subject, comprising a step of administering an effective amount of the isolated lactic acid bacterium (Lactobacillus plantarum subsp. plantarum K37) to the subject.
    Type: Application
    Filed: February 21, 2014
    Publication date: August 27, 2015
    Applicant: Asian Probiotics and Prebiotics Ltd.
    Inventors: Ying-Chieh Tsai, Tan-Wei Liao, Yen-Wenn Liu, Yu-Han Chen, Chien-Chen Wu
  • Publication number: 20150153630
    Abstract: A driving system for an SMA based actuator having SMA wires or rods includes a capture module, a determination module, and four drive modules. The capture module captures current position of a lens module from a position sensor. The displacement difference between the current position and a target position is determined. The first drive module can rapidly or slowly increase the current to the SMA, or rapidly or slowly decrease the current to the SMA, causing fast or slow movement of a lens module in one direction or fast or slow movement in the opposite direction, to achieve the desired auto-focus of a camera module.
    Type: Application
    Filed: November 27, 2014
    Publication date: June 4, 2015
    Inventor: YU-HAN CHEN
  • Patent number: 9046736
    Abstract: An image stabilizer includes a stationary frame, a moveable frame, and a driving assembly. The stationary frame defines a central axis and includes an upper end, a lower end opposite to the upper end, and a first protrusion extending from the upper end. The moveable frame is elastically connected to the upper end and coincides with the stationary frame. The driving assembly includes two first metal clips and a first SMA line. The first metal clips are connected to two neighboring side surfaces of the moveable frame. Opposite ends of the first SMA line are clipped to the respective first metal clips. A bending portion of the first SMA line between the opposite sides contacts and hooks the first protrusion.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: June 2, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Yu-Han Chen
  • Patent number: 8974920
    Abstract: Triphenylene derivatives having a structure of formula (1) are provided. Ar represents an aromatic compound, n is 1 to 3, and each of R and R1 to R13 is a member independently selected from the group consisting of hydrogen, halo, cyano, trifluoromethyl, amino, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C20 cycloalkyl, C3-C20 cycloalkenyl, C1-C20 heterocycloalkyl, C1-C20 heterocycloalkenyl, aryl and heteroaryl. The compound of the present invention may function as a host emitter or dopant in the emitter layer of OLED device. An OLED device is also herein provided.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: March 10, 2015
    Assignee: National Tsing Hua University
    Inventors: Chien-Hong Cheng, Yu-Han Chen, Ho-Hsiu Chou
  • Patent number: 8970777
    Abstract: The disclosure relates to a flash lighting module for providing flash lighting for a camera of a mobile communication device such as a mobile phone, a smart phone or a tablet computer having a phone communication capability. The flash lighting module includes a relay, at least one driver, and a plurality of light sources; the relay is in serial communication with the driver; the driver is electrically connected to the light sources; the light sources include at least three LEDs which are equidistantly arranged around the camera.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: March 3, 2015
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Yu-Han Chen
  • Publication number: 20140313396
    Abstract: An image capturing device includes a lens, a motor to move the lens, and a variety of modules. The variety of modules includes an interface control module, a module to control the lens movement, a determining module, and an analyzing module. The interface control module displays an input interface for inputting control data. The determining module determines an actual position of the lens according to the basic autofocus function. The analyzing module calculates an optimal autofocus position for the control data input, and determines a ratio between the actual position of the lens and the optimal autofocus position as a correction coefficient. When in use, after the correction coefficient has been set, the input control data is firstly modified according to the correction coefficient, and the lens is moved by the actuator to a modified autofocus position according to the corrected control data.
    Type: Application
    Filed: December 17, 2013
    Publication date: October 23, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: HO-KAI LIANG, YU-HAN CHEN
  • Publication number: 20140253497
    Abstract: There is provided a capacitive touch device including a controlling and processing circuit and a touch panel. The touch panel has a plurality of detection cells arranged in matrix. The controlling and processing circuit is configured to input a drive signal to the detection cells of the touch panel and read measurement data from the detection cells for post-processing, wherein the controlling and processing circuit reads a first sampling number of the measurement data of the detection cells in a normal mode and a second sampling number of the measurement data of the detection cells in a sleep mode, and the second sampling number is lower than the first sampling number.
    Type: Application
    Filed: January 23, 2014
    Publication date: September 11, 2014
    Applicant: PIXART IMAGING INC.
    Inventors: FU-CHEN CHEN, MING-TSAN KAO, YU-HAN CHEN
  • Patent number: 8810362
    Abstract: A recognition system is used for recognizing an operation of a user. The recognition system includes a sensor module, a processing device, a playing device, and data storage device. The sensor module is used for generating a first sensing signal according to an operation of a user. The data storage device stores a plurality of objects. The processing device compares the first sensing signal with the plurality of objects to generate a recognition result in response to the first sensing signal. The playing device is used for playing the recognition result. The sensor module is used for, after the recognition result is played, recognizing a response of the user to generate a second sensing signal, and feeding the second sensing signal back to the processing device. The processing device judges whether the recognition result corresponding to the first sensing signal is correct according to the second sensing signal.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: August 19, 2014
    Assignee: Pixart Imaging Inc.
    Inventors: Yu-Han Chen, Ming-Tsan Kao, Chih-Hung Lu
  • Publication number: 20140160469
    Abstract: A measurement method configured to measure a stereoscopic display includes: causing at least three different displaying positions to emit lights corresponding to a first viewing zone and measuring light intensities of the lights emitted by the displaying positions corresponding to the first viewing zone to respectively obtain at least three sets of first view light intensity distribution data, causing at least three different displaying positions to emit lights corresponding to the second viewing zone and measuring light intensities of the lights emitted by the displaying positions corresponding to the second viewing zone to respectively obtain at least three sets of second view light intensity distribution data, and calculating a set of total comprehensive distribution data according to the first and second view light intensity distribution data. A measurement apparatus and a computer program product are also provided.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 12, 2014
    Applicant: Industrial Technology Research Institute
    Inventors: Kuo-Chung Huang, Yi-Heng Chou, Ching-Chiu Liao, Yu-Han Chen, Hoang-Yan Lin, Wen-Hui Chang, Kuen Lee, Lang-Chin Lin
  • Publication number: 20140146225
    Abstract: The disclosure relates to a flash lighting module for providing flash lighting for a camera of a mobile communication device such as a mobile phone, a smart phone or a tablet computer having a phone communication capability. The flash lighting module includes a relay, at least one driver, and a plurality of light sources; the relay is in serial communication with the driver; the driver is electrically connected to the light sources; the light sources include at least three LEDs which are equidistantly arranged around the camera.
    Type: Application
    Filed: March 28, 2013
    Publication date: May 29, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: YU-HAN CHEN
  • Patent number: 8737696
    Abstract: A human face recognition method and apparatus are provided. A processor of the human face recognition apparatus calculates red, green, and blue component statistic information for each of a plurality of human face images. The processor uses an independent component analysis algorithm to analyze component statistic information of two colors and derive a piece of first component information and a piece of second component information. The processor transforms the pieces of first component information and second component information into a frequency domain to derive a piece of first frequency-domain information and a piece of second frequency-domain information. The processor calculates an energy value of the first frequency-domain information within a frequency range. The energy value is used to decide whether the human face images are captured from a human being.
    Type: Grant
    Filed: July 3, 2012
    Date of Patent: May 27, 2014
    Assignee: Pixart Imaging Inc.
    Inventors: Ren-Hau Gu, Yu-Hao Huang, Yu-Han Chen, Ming-Tsan Kao, Sen-Huang Huang
  • Publication number: 20140139729
    Abstract: An actuator includes a base, a stationary frame mounted on the base, a moveable frame supported on the base, and a driving unit. The stationary frame includes a receiving cavity, a first sidewall, a neighboring second sidewall, an upper end, and an opposing lower end. The stationary frame defines a first cutout in the first sidewall, a second cutout in the second sidewall, and a third cutout passing through the lower end. The first cutout and the second cutout communicate with the receiving cavity, and the third cutout is located between the first cutout and the second cutout and directly communicates with the first cutout and the second cutout. The moveable frame includes a main body received in the receiving cavity and a protruding portion received in the third cutout. The driving unit includes a guide pole, a first metal clip, a second metal clip, and a SMA wire.
    Type: Application
    Filed: April 19, 2013
    Publication date: May 22, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: YU-HAN CHEN