Patents by Inventor Yen Min CHANG

Yen Min 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).

  • Patent number: 10847049
    Abstract: An operating method of an interactive service platform including the steps of: communicating with a plurality of user end devices via an application software; receiving physiological measurement information of user from the user end devices via the application software; analyzing the physiological measurement information to identify a physical and mental state/lifestyle of an associated subscriber; and automatically responding content information associated with at least one associated subscriber according to requests from the user end devices.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: November 24, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: Chih-Yuan Chuang, Yen-Min Chang
  • Publication number: 20200348688
    Abstract: There is provided a smart detection system including multiple sensors and a central server. The central server confirms a model of every sensor and a position thereof in an operation area. The central server confirms an event position and predicts a user action according to event signals sent by the multiple sensors.
    Type: Application
    Filed: April 30, 2019
    Publication date: November 5, 2020
    Inventors: Yi-Hsien KO, Yen-Min CHANG, Nien-Tse CHEN
  • 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
  • Publication number: 20200285133
    Abstract: A method capable of performing an automatic focus function upon a specific movable object in a real-time manner, the method being applicable to a photographic apparatus with the automatic focus function, includes: capturing real-time image within a field of view (FOV) of a lens; comparing images of a plurality of image areas of the real-time image with a feature image of the specific movable object to identify an image area corresponding to the feature image of the specific movable object; and, performing automatic focus on the identified image area.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Inventor: YEN-MIN CHANG
  • Publication number: 20200279035
    Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.
    Type: Application
    Filed: May 19, 2020
    Publication date: September 3, 2020
    Inventor: YEN-MIN CHANG
  • Patent number: 10732127
    Abstract: A dirtiness level determining system of a surface cleaning machine, comprising: an optical information generating circuit, configured to generate optical information; a feature level determining circuit, configured to determine an optical feature level of the optical information; and a reminding message generating circuit, configured to generate at least one dirtiness level reminding message according to a relation between the optical feature level and a feature threshold level; wherein the dirtiness level reminding message is adapted to indicate a cleaning status of the cleaning surface, and the cleaning status includes at least one parameter of: a dirtiness level of the cleaning surface, a dirtiness location of the cleaning surface, and an air quality of a room where the cleaning surface locates in.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: August 4, 2020
    Assignee: PixArt Imaging Inc.
    Inventors: Chung-Ting Yang, Yen-Min Chang
  • 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
  • Patent number: 10716445
    Abstract: A computer readable recording media recording at least one program. An automatic clean machine control method is performed if the program is executed, which comprises: (a) input a drawing or a picture to an automatic clean machine by a first user, wherein the automatic clean machine acquires a map based on the drawing or the picture; (b) directly selecting a region to be cleaned on the map; and (c) controlling the automatic clean machine to perform a first clean operation to the region to be cleaned based on the map.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: July 21, 2020
    Assignee: PixArt Imaging Inc.
    Inventor: Yen-Min Chang
  • Patent number: 10704931
    Abstract: An optical detecting device includes a multi-axis instruction outputting mechanism and an optical detecting module, and shift of the multi-axis instruction outputting mechanism is determined accordingly. An actuating component of the multi-axis instruction outputting mechanism is moved in reciprocation at a first operating direction to output an instruction. The optical detecting module is detachably disposed to the actuating component. An interval between the optical detecting module and the actuating component is varied according to a relative movement between the optical detecting module and the actuating component at a second operating direction, and the actuating component can be shifted between different gears.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: July 7, 2020
    Assignee: PixArt Imaging Inc.
    Inventors: Chung-Ting Yang, Yen-Min Chang, Chia-Fu Ke
  • Publication number: 20200213544
    Abstract: An image sensing circuit includes floating node, switch circuit, capacitor(s), and counting circuit. The floating node receives image electric charge from a photosensitive pixel. The switch circuit is coupled between floating node and capacitor(s) to dynamically connect and disconnect floating node and capacitor(s). The capacitor(s) include(s) first terminal(s) connected to switch circuit and second terminal(s) connected to ground. The counting circuit counts the number of charging and discharging behavior of capacitor(s) according to dynamic switches of switch circuit wherein the switch circuit dynamically switches to make capacitor(s) be charged and discharged dynamically in response to one exposure time period to receive energy of image electric charge which is determined by the number of charging and discharging behavior of the capacitor(s) and the capacitor(s)' potential value measured finally.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Inventors: Yen-Min Chang, Ren-Chieh Liu
  • Patent number: 10698297
    Abstract: A method capable of performing an automatic focus function upon a specific movable object in a real-time manner, the method being applicable to a photographic apparatus with the automatic focus function, includes: capturing real-time image within a field of view (FOV) of a lens; comparing images of a plurality of image areas of the real-time image with a feature image of the specific movable object to identify an image area corresponding to the feature image of the specific movable object; and, performing automatic focus on the identified image area.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: June 30, 2020
    Assignee: PIXART IMAGING INC.
    Inventor: Yen-Min Chang
  • Patent number: 10699558
    Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: June 30, 2020
    Assignee: PIXART IMAGING INC.
    Inventor: Yen-Min Chang
  • Publication number: 20200153481
    Abstract: There is provided a capacitive communication system including an object and a capacitive touch panel. The object includes a plurality of induction conductors configured to have different potential distributions at different time intervals by modulating respective potentials thereof. The capacitive touch panel includes a plurality of sensing electrodes configured to form a coupling electric field with the induction conductors to detect the different potential distributions at the different time intervals. When the different potential distributions match a predetermined agreement between the object and the capacitive touch panel, a near field communication is formed between the object and the capacitive touch panel.
    Type: Application
    Filed: January 8, 2020
    Publication date: May 14, 2020
    Inventors: Yung-Wei CHEN, Yen-Chang WANG, Yen-Min CHANG, Hsin-Chia CHEN
  • Patent number: 10631789
    Abstract: A biometric detection module including a light source module, a detection region and a control module is provided. The light source module is configured to emit green light, red light and IR light in a time division manner to illuminate a skin surface. The detection region is configured to detect penetration light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate a green light signal, a red light signal and an IR light signal. The control module is configured to determine a filtering parameter according to the green light signal to accordingly filter the red light signal and the IR light signal, and calculate a biometric characteristic according to at least one of the green light signal, a filtered red light signal and a filtered IR light signal.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: April 28, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: Chih-Yuan Chuang, Cheng-Nan Tsai, Ming-Tsan Kao, Ren-Hau Gu, Yen-Min Chang
  • Publication number: 20200126402
    Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Inventor: YEN-MIN CHANG
  • Patent number: 10630918
    Abstract: An image sensing circuit includes floating node, switch circuit, capacitor(s), and counting circuit. The floating node receives image electric charge from a photosensitive pixel. The switch circuit is coupled between floating node and capacitor(s) to dynamically connect and disconnect floating node and capacitor(s). The capacitor(s) include(s) first terminal(s) connected to switch circuit and second terminal(s) connected to ground. The counting circuit counts the number of charging and discharging behavior of capacitor(s) according to dynamic switches of switch circuit wherein the switch circuit dynamically switches to make capacitor(s) be charged and discharged dynamically in response to one exposure time period to receive energy of image electric charge which is determined by the number of charging and discharging behavior of the capacitor(s) and the capacitor(s)' potential value measured finally.
    Type: Grant
    Filed: September 16, 2018
    Date of Patent: April 21, 2020
    Assignee: PixArt Imaging Inc.
    Inventor: Yen-Min Chang
  • Publication number: 20200108891
    Abstract: A rotation calculating system, comprising: a first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of a first target device; and a calculating unit, configured to calculate rotation for a first rotating device based on the optical characteristics of the feature of the first target device. The first rotating device is a wheel, and the first target device is the wheel.
    Type: Application
    Filed: December 6, 2019
    Publication date: April 9, 2020
    Inventors: Chung-Ting Yang, Yen-Min Chang, Ching-Lin Chung
  • Publication number: 20200042757
    Abstract: An interactive electronic device includes an image capture module, a response module and a processing module. The image capture module is for capturing images. The processing module is for generating a first or second command set according to the image and output a control signal. The response module is for driving the interactive electronic device to perform a first continuous reaction corresponding to a specific pattern contained in the image according to the first command set or drive the interactive electronic device to perform a second continuous reaction according to the second command set. The processing module is further for replacing, adding or deleting at least a command in the first command set in a random manner thereby randomly obtaining a new command set.
    Type: Application
    Filed: October 15, 2019
    Publication date: February 6, 2020
    Inventors: SHU-SIAN YANG, YEN-MIN CHANG
  • Patent number: 10554660
    Abstract: A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: February 4, 2020
    Assignee: PIXART IMAGING INC.
    Inventor: Yen-Min Chang