Patents by Inventor Ting-Yang Chang

Ting-Yang 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: 20210221648
    Abstract: In the present invention, an anti-pinch device which uses a simple optical mechanism to prevent the user being hurt by the moving part before the moving part touches the user is disclosed. Also, a space computing device which uses a simple optical mechanism to compute acquired space of a target object is disclosed. Additionally, a hovering control device which uses a simple optical mechanism thereby the user can control the hovering control device without touching the hovering control device is disclosed. The optical mechanism comprises at least one light source and at least one optical sensor, which can arrange in various ways.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 22, 2021
    Inventors: Tsung-Fa Wang, Chiung-Wen Lin, Tzung-Min Su, Jeng-Yue Weng, Ting-Yang Chang, Chun-Sheng Lin
  • Patent number: 10955969
    Abstract: A light-guide assembly and an access control system are provided. The light-guide assembly is used as an interface for touch input. The light-guide assembly includes a light-guide element and a light source disposed on a lateral surface of the light-guide element. The light source emits a first light with a first wavelength. The light-guide element has an upper surface, a lower surface, and an inner layer that is made of a light-transmissive material. The first light enters the light-guide element through the lateral surface and propagates inside the light-guide element for reacting to the touch event occurring on the upper surface. A verification data used in an access control system is formed when the touch event is sensed and identified. A light-activation element of the assembly activates the first light propagating inside the light-guide element and produces a second light that is used to provide a visual effect.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: March 23, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Chao-Chien Huang, Hung-Ching Lai, Ting-Yang Chang, Yi-Hsien Ko
  • Publication number: 20200408508
    Abstract: A wireless charging device and an operation method thereof are provided. The wireless charging device includes a charging module, at least one proximity sensor and a central controller. The wireless charging device senses a distance variation between the wireless charging device and an object using the proximity sensor and accordingly determines whether to turn on or turn off the charging module to achieve energy saving.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Inventors: TING-YANG CHANG, SHIH-WEI KUO, YEN-MIN CHANG
  • Patent number: 10876873
    Abstract: An optical flow sensing method includes: using an image sensor to capture images; using a directional-invariant filter device upon at least one first block of the first image to process values of pixels of the at least one first block of the first image, to generate a first filtered block image; using the first directional-invariant filter device upon at least one first block of the second image to process values of pixels of the at least one first block of the second image, to generate a second filtered block image; comparing the filtered block images to calculate a correlation result; and estimating a motion vector according to a plurality of correlation results.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: December 29, 2020
    Assignee: PixArt Imaging Inc.
    Inventors: Hsin-Chia Chen, Sen-Huang Huang, Wei-Chung Wang, Chao-Chien Huang, Ting-Yang Chang, Chun-Wei Chen
  • Patent number: 10836271
    Abstract: A charging system comprising: a charging apparatus; and at least one guiding apparatus, comprising at least one light emitting device provided in at least one target apparatus. The charging apparatus moves to a charging location according a light emitting state of the light emitting device, to charge the target apparatus. The charging apparatus further receives battery power information from the target apparatus via wireless communication.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: November 17, 2020
    Assignee: PixArt Imaging Inc.
    Inventors: En-Feng Hsu, Ting-Yang Chang
  • Patent number: 10816321
    Abstract: Provided herein are a measurement device and an operation method thereof. The measurement device senses a distance variation between the measurement device and an object using a built-in proximity sensor and accordingly determines whether to turn on or turn off a track sensing module and an optical ranging module such that the measurement device provides intelligent selection to achieve energy saving without being interfered with by other sensors being turned on.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: October 27, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: Ting-Yang Chang, Shih-Wei Kuo, Yen-Min Chang
  • Publication number: 20200310551
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 1, 2020
    Inventors: TING-YANG CHANG, YEN-MIN CHANG, NIEN-TSE CHEN
  • Patent number: 10725554
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: July 28, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: Ting-Yang Chang, Yen-Min Chang, Nien-Tse Chen
  • Publication number: 20200182672
    Abstract: An optical flow sensing method includes: using an image sensor to capture images; using a directional-invariant filter device upon at least one first block of the first image to process values of pixels of the at least one first block of the first image, to generate a first filtered block image; using the first directional-invariant filter device upon at least one first block of the second image to process values of pixels of the at least one first block of the second image, to generate a second filtered block image; comparing the filtered block images to calculate a correlation result; and estimating a motion vector according to a plurality of correlation results.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 11, 2020
    Inventors: Hsin-Chia Chen, Sen-Huang Huang, Wei-Chung Wang, Chao-Chien Huang, Ting-Yang Chang, Chun-Wei Chen
  • Patent number: 10612951
    Abstract: An optical flow sensing method includes: using an image sensor to capture images; using a directional-invariant filter device upon at least one first block of the first image to process values of pixels of the at least one first block of the first image, to generate a first filtered block image; using the first directional-invariant filter device upon at least one first block of the second image to process values of pixels of the at least one first block of the second image, to generate a second filtered block image; comparing the filtered block images to calculate a correlation result; and estimating a motion vector according to a plurality of correlation results.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: April 7, 2020
    Assignee: PixArt Imaging Inc.
    Inventors: Hsin-Chia Chen, Sen-Huang Huang, Wei-Chung Wang, Chao-Chien Huang, Ting-Yang Chang, Chun-Wei Chen
  • Publication number: 20200064947
    Abstract: A light-guide assembly and an access control system are provided. The light-guide assembly is used as an interface for touch input. The light-guide assembly includes a light-guide element and a light source disposed on a lateral surface of the light-guide element. The light source emits a first light with a first wavelength. The light-guide element has an upper surface, a lower surface, and an inner layer that is made of a light-transmissive material. The first light enters the light-guide element through the lateral surface and propagates inside the light-guide element for reacting to the touch event occurring on the upper surface. A verification data used in an access control system is formed when the touch event is sensed and identified. A light-activation element of the assembly activates the first light propagating inside the light-guide element and produces a second light that is used to provide a visual effect.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 27, 2020
    Inventors: CHAO-CHIEN HUANG, HUNG-CHING LAI, TING-YANG CHANG, YI-HSIEN KO
  • Publication number: 20200021334
    Abstract: A charging system comprising: a charging apparatus; and at least one guiding apparatus, comprising at least one light emitting device provided in at least one target apparatus. The charging apparatus moves to a charging location according a light emitting state of the light emitting device, to charge the target apparatus. The charging apparatus further receives battery power information from the target apparatus via wireless communication.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventors: En-Feng Hsu, Ting-Yang Chang
  • Patent number: 10457152
    Abstract: A charging system, comprising: a charging apparatus; and at least one guiding apparatus, comprising at least one light emitting device provided in at least one target apparatus. The charging apparatus moves to a charging location according a light emitting state of the light emitting device, to charge the target apparatus.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: October 29, 2019
    Assignee: PixArt Imaging Inc.
    Inventors: En-Feng Hsu, Ting-Yang Chang
  • Patent number: 10248217
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: April 2, 2019
    Assignee: PIXART IMAGING INC.
    Inventors: Ting-Yang Chang, Yen-Min Chang, Nien-Tse Chen
  • Publication number: 20190087013
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 21, 2019
    Inventors: TING-YANG CHANG, YEN-MIN CHANG, NIEN-TSE CHEN
  • Publication number: 20180348032
    Abstract: An optical flow sensing method includes: using an image sensor to capture images; using a directional-invariant filter device upon at least one first block of the first image to process values of pixels of the at least one first block of the first image, to generate a first filtered block image; using the first directional-invariant filter device upon at least one first block of the second image to process values of pixels of the at least one first block of the second image, to generate a second filtered block image; comparing the filtered block images to calculate a correlation result; and estimating a motion vector according to a plurality of correlation results.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 6, 2018
    Inventors: Hsin-Chia Chen, Sen-Huang Huang, Wei-Chung Wang, Chao-Chien Huang, Ting-Yang Chang, Chun-Wei Chen
  • Publication number: 20180105048
    Abstract: A charging system, comprising: a charging apparatus; and at least one guiding apparatus, comprising at least one light emitting device provided in at least one target apparatus. The charging apparatus moves to a charging location according a light emitting state of the light emitting device, to charge the target apparatus.
    Type: Application
    Filed: April 6, 2017
    Publication date: April 19, 2018
    Inventors: En-Feng Hsu, Ting-Yang Chang
  • Publication number: 20170350691
    Abstract: Provided herein are a measurement device and an operation method thereof. The measurement device senses a distance variation between the measurement device and an object using a built-in proximity sensor and accordingly determines whether to turn on or turn off a track sensing module and an optical ranging module such that the measurement device provides intelligent selection to achieve energy saving without being interfered with by other sensors being turned on.
    Type: Application
    Filed: November 11, 2016
    Publication date: December 7, 2017
    Inventors: TING-YANG CHANG, SHIH-WEI KUO, YEN-MIN CHANG
  • Publication number: 20160054809
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Application
    Filed: November 5, 2015
    Publication date: February 25, 2016
    Inventors: TING-YANG CHANG, YEN-MIN CHANG, NIEN-TSE CHEN
  • Patent number: 7492413
    Abstract: A VBI receiver and method is disclosed. The receiver includes an over-sampling circuit, a transition detector, a data selector, and a data output device. The over-sampling circuit is for over-sampling VBI data and outputting and over-sampled signal. The transition detector is for detecting the transition of the over-sampled signal and outputting a transition signal representing the transition position. The data selector is for recording the transition signal and outputting a position signal according to the transition signal and at least a previous transition signal. The data output device outputs digital output data from the over-sampled signal according to the position signal.
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: February 17, 2009
    Assignee: Realtek Semiconductor Corp.
    Inventors: Chia-Hao Hsiung, Yi-Shu Chang, Ting-Yang Chang