Patents by Inventor Yu-Hao Huang

Yu-Hao Huang 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: 9317744
    Abstract: A device for determining a gesture includes a light emitting unit, an image sensing device and a processing circuit. The light emitting unit emits a light beam. The image sensing device captures an image of a hand reflecting the light beam. The processing circuit obtains the image and determines a gesture of the hand by performing an operation on the image; wherein the operation includes: selecting pixels in the image having a brightness greater than or equal to a brightness threshold; dividing the selected pixels; and determining the gesture of the hand according to a number of group of divided pixels. A method for determining a gesture and an operation method of the aforementioned device are also provided.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: April 19, 2016
    Assignee: Pixart Imaging Inc.
    Inventors: Yu-Hao Huang, Ming-Tsan Kao, Sen-Huang Huang, Nien-Tse Chen, En-Feng Hsu, Yi-Yuan Chen
  • Publication number: 20160072984
    Abstract: The present invention discloses a gesture recognition apparatus including a substrate, a light emitting device, an image sensor and a processing unit. The light emitting device is for emitting a light beam according to a first clock signal. The image sensor is disposed on the substrate and is for receiving the light beam reflected by an object according to a second clock signal to generate an object image. The processing unit is disposed on the substrate and is for recognizing the object image detected by the image sensor to provide a command signal. There is a correlation between a period of the first clock signal and a period of the second clock signal. The present invention also provides a complex optical apparatus.
    Type: Application
    Filed: November 18, 2015
    Publication date: March 10, 2016
    Applicant: PixArt Imaging Incorporation
    Inventors: En-Feng Hsu, Ming-Tsan Kao, Yu-Hao Huang, Yi-Hsien Ko, Nien-Tse Chen
  • Patent number: 9269148
    Abstract: A displacement detection device includes a light source, an image sensor and a processing unit. The light source is configured to illuminate a work surface. The image sensor is configured to capture reflected light from the work surface and to output an image frame. The processing unit is configured to select a window of interest in the image frame having a maximum image feature and to calculate a displacement of the displacement detection device according to the window of interest.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: February 23, 2016
    Assignee: PIXART IMAGING INC.
    Inventors: Ming-Tsan Kao, Ren-Hau Gu, Yu-Hao Huang
  • Patent number: 9268409
    Abstract: A method and system provide light to project to an operation space so that a received image from the operation space will include, if an object is in the operation space, a bright region due to the reflection of light by the object, and identify a gesture according to the variation of a barycenter position, an average brightness, or an area of the bright region in successive images, for generating a corresponding command. Only simple operation and calculation is required to detect the motion of an object moving in the X, Y, or Z axis of an image, for identifying a gesture represented by the motion of the object.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: February 23, 2016
    Assignee: PIXART IMAGING INC.
    Inventors: Yu-Hao Huang, En-Feng Hsu, Ming-Tsan Kao
  • Patent number: 9256364
    Abstract: A computer readable recording media comprising at least one program code recorded thereon, a touch control method is performed when the program code is read and executed. The touch control method comprises the following steps: (a) detecting location data for an object relative to a detecting surface to generate at least one displacement data; (b) storing the displacement data to a storage apparatus and outputting the stored displacement data to a target apparatus from the storage apparatus after storing the displacement data for a predetermined time period, when the object touches the detecting surface; and (c) cleaning the stored displacement data when the object leaves the detecting surface.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: February 9, 2016
    Assignee: PixArt Imaging Inc.
    Inventors: Yung-Chang Lin, Yu-Hao Huang, Tsung-Fa Wang, Ching-Lin Chung
  • Patent number: 9229545
    Abstract: An optical navigation apparatus and an optical navigation method are provided. The optical navigation apparatus includes a light source unit, an image sensing unit, and a processing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit generates a beam of light. The image sensing unit captures a plurality of images within a time interval. The processing unit determines that the beam of light is projected onto a touch object according to the images, calculates a piece of displacement information related to the touch object according to the images, generates a comparison result by comparing the piece of displacement information with a threshold, and sets a displacement resolution of the optical navigation apparatus according to the comparison result.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: January 5, 2016
    Assignee: PIXART IMAGING INC.
    Inventors: Yu-Hao Huang, Ming-Tsan Kao, Ren-Hau Gu, Hsin-Chia Chen, Yung-Chang Lin, Tsung-Fa Wang
  • Patent number: 9223407
    Abstract: The present invention discloses a gesture recognition apparatus including a substrate, a light emitting device, an image sensor and a processing unit. The light emitting device is for emitting a light beam according to a first clock signal. The image sensor is disposed on the substrate and is for receiving the light beam reflected by an object according to a second clock signal to generate an object image. The processing unit is disposed on the substrate and is for recognizing the object image detected by the image sensor to provide a command signal. There is a correlation between a period of the first clock signal and a period of the second clock signal. The present invention also provides a complex optical apparatus.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: December 29, 2015
    Assignee: PIXART IMAGING INCORPORATION
    Inventors: En-Feng Hsu, Ming-Tsan Kao, Yu-Hao Huang, Yi-Hsien Ko, Nien-Tse Chen
  • Publication number: 20150310266
    Abstract: A device for determining a gesture includes a light emitting unit, an image sensing device and a processing circuit. The light emitting unit emits a light beam. The image sensing device captures an image of a hand reflecting the light beam. The processing circuit obtains the image and determines a gesture of the hand by performing an operation on the image; wherein the operation includes: selecting pixels in the image having a brightness greater than or equal to a brightness threshold; dividing the selected pixels; and determining the gesture of the hand according to a number of group of divided pixels. A method for determining a gesture and an operation method of the aforementioned device are also provided.
    Type: Application
    Filed: July 2, 2015
    Publication date: October 29, 2015
    Applicant: PIXART IMAGING INC.
    Inventors: YU-HAO HUANG, MING-TSAN KAO, SEN-HUANG HUANG, NIEN-TSE CHEN, EN-FENG HSU, YI-YUAN CHEN
  • Publication number: 20150248172
    Abstract: The present invention discloses a method for outputting a command by detecting a movement of an object, which includes the following steps. First, an image capturing device captures images generated by the movement of the object at different timings by. Next, a motion trajectory is calculated according to the plurality of images. Further next, a corresponding command is outputted according to the motion trajectory. The present invention also provides a system which employs the above-mentioned method.
    Type: Application
    Filed: May 18, 2015
    Publication date: September 3, 2015
    Applicant: PixArt Imaging Incorporation
    Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao, Nien-Tse Chen
  • Patent number: 9104910
    Abstract: A device for determining a gesture includes a light emitting unit, an image sensing device and a processing circuit. The light emitting unit emits a light beam. The image sensing device captures an image of a hand reflecting the light beam. The processing circuit obtains the image and determine a gesture of the hand by performing an operation on the image; wherein the operation includes: selecting pixels in the image having a brightness greater than or equal to a brightness threshold; sorting the selected pixels; selecting a first predetermined percentage of pixels from the sorted pixels; dividing the adjacent pixels in the first predetermined percentage of pixels into a same group; and determining the gesture of the hand according to the number of groups of pixels. A method for determining a gesture and an operation method of the aforementioned device are also provided.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: August 11, 2015
    Assignee: PIXART IMAGING INC.
    Inventors: Yu-Hao Huang, Ming-Tsan Kao, Sen-Huang Huang, Nien-Tse Chen, En-Feng Hsu, Meng-Huan Hsieh, Yi-Yuan Chen
  • Publication number: 20150188110
    Abstract: A battery with a heat-resistant layer is provided. The battery with a heat-resistant layer includes a positive electrode, a negative electrode, a separator, an electrolyte and a heat-resistant layer. The separator is disposed between the positive electrode and the negative electrode. The heat-resistant layer is disposed between at least one of the positive or negative electrodes and the separator, wherein the heat-resistant layer has a tetrapod-shaped surface morphology. The positive electrode, the negative electrode, the separator and the heat-resistant layer are soaked in the electrolyte. A method for manufacturing the heat-resistant layer is also provided.
    Type: Application
    Filed: December 15, 2014
    Publication date: July 2, 2015
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hsiu-Fen LIN, Shih-Chieh LIAO, Chia-Ming CHANG, Min-Ling HOU, Yu-Hao HUANG, Chia-Chin LEE
  • Patent number: 9063435
    Abstract: An exposure adjusting apparatus, which comprises: an image sensor, for catching an image according to an exposure parameter; a computing apparatus, for computing an exposure amount of the image and for determining whether the exposure amount is in a predetermined exposure range or not; and an exposure updating apparatus. If the exposure amount is in the predetermined exposure range, the exposure updating apparatus does not adjust the exposure amount. If the exposure amount is not in the predetermined exposure range, the exposure updating apparatus generates at least one adjusting amount according to at least one of the predetermined exposure range, the exposure amount and the exposure parameter, and utilizes the adjusting amount to increase or decrease the exposure parameter to generate a new exposure parameter.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: June 23, 2015
    Assignee: PixArt Imaging Inc.
    Inventors: Yu-Hao Huang, Ming-Tsan Kao, Sen-Huang Huang
  • Patent number: 9063585
    Abstract: The present invention discloses a method for outputting a command by detecting a movement of an object, which includes the following steps. First, an image capturing device captures images generated by the movement of the object at different timings by. Next, a motion trajectory is calculated according to the plurality of images. Further next, a corresponding command is outputted according to the motion trajectory. The present invention also provides a system which employs the above-mentioned method.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: June 23, 2015
    Assignee: PIXART IMAGING INCORPORATION
    Inventors: Yu-Hao Huang, Yi-Fang Lee, Ming-Tsan Kao, Nien-Tse Chen
  • Publication number: 20150131051
    Abstract: An eye detecting device includes an optical assembly, an image sensor and an arithmetic unit. The optical assembly provides a plurality of incident lights. The incident lights enter into eyes to form a plurality of glints. At least part of glints is near a pupil of the eye. The image sensor is used to capture an eye image. The eye image includes images of the glints. The arithmetic unit analyzes the gray scale value of eye image and obtains the distributions of the glints through the gray scale value. The arithmetic unit determines the position of the pupil of eye according to the distributions of the glints.
    Type: Application
    Filed: September 5, 2014
    Publication date: May 14, 2015
    Inventor: YU-HAO HUANG
  • Publication number: 20150109192
    Abstract: An image sensing system comprising: a controller; and an image sensing module. If the image sensing module performs a low resolution image sensing and the controller senses a trigger operation, the controller controls the image sensing module to switch from the low resolution image sensing to a high resolution image sensing.
    Type: Application
    Filed: May 21, 2014
    Publication date: April 23, 2015
    Applicant: PixArt Imaging Inc.
    Inventor: Yu-Hao Huang
  • Publication number: 20140375821
    Abstract: A detection system including a light source, an image sensor and a processor is provided. The light source is configured to illuminate an object. The image sensor is configured to output a picture. The processor is configured to generate an IR picture and a color picture according to the picture captured by the image sensor, identify a skin-color object in the color picture and determine an object image in the IR picture according to the skin-color object.
    Type: Application
    Filed: July 14, 2014
    Publication date: December 25, 2014
    Inventors: CHUNG-YUO WU, YU-HAO HUANG
  • Publication number: 20140333539
    Abstract: An object navigating apparatus, which comprises: a sensing apparatus, for sensing an object; and a control unit, for computing at least one displacement that the object is relative to the sensing apparatus. The control unit increases the sensing resolution if the control unit detects the displacement is larger than a first predetermined value for continuous N times, or if the control unit detects the displacement is larger than the first predetermined time for at least N times in a first sensing time interval. The N is a positive integer larger or equals to 2.
    Type: Application
    Filed: April 14, 2014
    Publication date: November 13, 2014
    Applicant: PixArt Imaging Inc.
    Inventor: Yu-Hao Huang
  • Patent number: 8836831
    Abstract: An image sensor includes a sensor matrix including a plurality of sensing elements and a plurality of shutter control lines. Each sensing element includes an electronic shutter and a photo-detector, wherein the electronic shutter controls the exposure time of the photo-detector. Each shutter control line couples to a row or column of the electronic shutters, whereby different rows or columns of the electronic shutters can be independently controlled, and the photo-detectors in the same row or column can have the same exposure time.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: September 16, 2014
    Assignee: Pixart Imaging Inc.
    Inventors: Ren Hau Gu, Chih Hsin Lin, Wen Han Yao, Hung Ching Lai, Shu Sian Yang, Yu Hao Huang, Chih Hung Lu, En Feng Hsu, Chi Chieh Liao
  • Publication number: 20140240229
    Abstract: A computer readable recording media comprising at least one program code recorded thereon, a touch control method is performed when the program code is read and executed. The touch control method comprises the following steps: (a) detecting location data for an object relative to a detecting surface to generate at least one displacement data; (b) storing the displacement data to a storage apparatus and outputting the stored displacement data to a target apparatus from the storage apparatus after storing the displacement data for a predetermined time period, when the object touches the detecting surface; and (c) cleaning the stored displacement data when the object leaves the detecting surface.
    Type: Application
    Filed: June 6, 2013
    Publication date: August 28, 2014
    Inventors: Yung-Chang Lin, Yu-Hao Huang, Tsung-Fa Wang, Ching-Lin Chung
  • Patent number: 8810550
    Abstract: Method for increasing accuracy of heart rate measuring includes sensing a finger of a user for generating sensed images of the finger, obtaining displacement information of the finger according to the sensed images, then using the motion information to compensate the sensed images of the finger, and finally using brightness variation of the compensated sensed images of the finger to measure heart rate of the user.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: August 19, 2014
    Assignee: PixArt Imaging Inc.
    Inventors: Ren-Hau Gu, Yu-Hao Huang, Hsin-Chia Chen, Ming-Tsan Kao, Sen-Huang Huang