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).

  • Virtual navigation apparatus, navigation method, and non-transitory computer readable medium thereof
    Patent number: 10275146
    Abstract: A virtual navigation apparatus, a navigation method, and a non-transitory computer readable medium thereof are provided. The virtual navigation apparatus includes a work surface, a touch detection module, and a processor. The touch detection module is electrically connected to the work surface and the processor. The touch detection module is configured to detect a plurality of detection data within a time interval. The processor determines that at least three touch objects touch the work surface within the time interval. The processor determines the movement datum of each touch object according to the detection data. The processor determines a position signal according to the movement data so that a host can move the cursor on a screen according to the position signal.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: April 30, 2019
    Assignee: PIXART IMAGING INC.
    Inventors: Yin-Hui Lee, Yen-Min Chang
  • Flow amount measuring apparatus, material mixing system and non transitory computer readable medium performing material mixing method
    Patent number: 10260918
    Abstract: A flow amount measuring apparatus comprising: a rotating device, configured to rotate while material flows through the rotating device; a rotating bar, connected to the rotating device, configured to rotate corresponding to rotating of the rotating device; a feature acquiring device, configured to detect at least one feature of the rotating bar; and a computing unit, configured to compute a number for full rotations for the rotating bar based on the feature of the rotating bar, and configured to compute a flow amount for the material flows through the rotating device based on the number for full rotations.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: April 16, 2019
    Assignee: PixArt Imaging Inc.
    Inventors: Feng-Chi Liu, Yen-Min Chang
  • Motion detection system
    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
  • MOTION DETECTING SYSTEM
    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
  • Capacitive touch device and mouse for near field communication
    Patent number: 10236935
    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: Grant
    Filed: August 15, 2017
    Date of Patent: March 19, 2019
    Assignee: PIXART IMAGING INC.
    Inventors: Yung-Wei Chen, Yen-Chang Wang, Yen-Min Chang, Hsin-Chia Chen
  • Auxiliary device and navigation system using the same
    Patent number: 10222873
    Abstract: Provided herein are an auxiliary device and a navigation system using the auxiliary device. The auxiliary device is configured to integrate with a pen mouse. When the pen mouse is tightly combined with the auxiliary device, the auxiliary device determines to use a first cursor displacement information data provided by the pen mouse and/or a second cursor displacement information data provided by the auxiliary device as a control signal for controlling a cursor corresponding to an electronic device according to an operation mode selected by the user.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: March 5, 2019
    Assignee: PIXART IMAGING INC.
    Inventors: Ching-Lin Chung, Chia-Fu Ke, Jr-Shen Yang, Yen-Min Chang
  • Optical encoder capable of identifying absolute positions and operating method thereof
    Patent number: 10210412
    Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: February 19, 2019
    Assignee: PIXART IMAGING INC.
    Inventors: Boon-How Kok, Keen-Hun Leong, Ching-Geak Chan, Chiang-Hee Lim, Chu-Leik Ho, Hsin-Chia Chen, Yen-Min Chang
  • Method for automatically focusing on specific movable object, photographic apparatus including automatic focus function, and computer readable storage medium for storing automatic focus function program
    Patent number: 10203586
    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: August 1, 2018
    Date of Patent: February 12, 2019
    Assignee: PIXART IMAGING INC.
    Inventor: Yen-Min Chang
  • IMAGE SENSING CIRCUIT AND METHOD CAPABLE OF OBTAINING HIGHER IMAGE BRIGHTNESS DYNAMIC RANGE
    Publication number: 20190045147
    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: September 16, 2018
    Publication date: February 7, 2019
    Inventor: Yen-Min Chang
  • Image capturing device
    Patent number: 10200579
    Abstract: An image capturing device is provided. The image capturing device includes a main body, an image capturing module and a rod. The image capturing module includes a lens and an image capturing unit. The main body includes a display module. The image capturing module is electrically connected to the main body. The rod is adjustably disposed between the image capturing module and the main body.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: February 5, 2019
    Assignee: ABILITY ENTERPRISE CO., LTD.
    Inventors: Yen-Min Chang, Shih-Pin Wang
  • Non-transitory computer readable recording medium can perform optical movement quality determining method and related optical movement detecting system
    Patent number: 10198088
    Abstract: A non-transitory computer readable recording medium, for storing at least one program, an optical movement quality determining method is performed if the program is executed, wherein the optical movement quality determining method is applied to an optical movement detecting apparatus configured to generate optical information and to determine a relative location between an object and the optical movement detecting apparatus, wherein the optical movement quality determining method comprises: (a) determining information quality of the optical information; and (b) generating at least one movement quality reminding message according to a relation between the information quality and a quality threshold value.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: February 5, 2019
    Assignee: PixArt Imaging Inc.
    Inventors: Chung-Ting Yang, Yen-Min Chang
  • OPTICAL DETECTING DEVICE CAPABLE OF DETERMINING SHIFT OF A MULTI-AXIS INSTRUCTION OUTPUTTING MECHANISM
    Publication number: 20190033101
    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: Application
    Filed: October 4, 2018
    Publication date: January 31, 2019
    Inventors: Chung-Ting Yang, Yen-Min Chang, Chia-Fu Ke
  • BIOMETRIC DETECTION MODULE AND BIOMETRIC DETECTION DEVICE WITH DENOISING FUNCTION
    Publication number: 20190015049
    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: Application
    Filed: September 4, 2018
    Publication date: January 17, 2019
    Inventors: Chih-Yuan Chuang, Cheng-Nan Tsai, Ming-Tsan Kao, Ren-Hau Gu, Yen-Min Chang
  • ROTATION CALCULATING SYSTEM AND ROTATION CALCULATING METHOD
    Publication number: 20190016414
    Abstract: A rotation calculating device comprising: a first rotating device; a first target device; an first optical characteristic acquiring device, configured to acquire optical characteristics for at least one feature of the first target device; and a calculating unit, configured to calculate rotation for the first rotating device based on the optical characteristics of the feature.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 17, 2019
    Inventors: Chung-Ting Yang, Yen-Min Chang, Ching-Lin Chung
  • Imaging module and electronic device using the same
    Patent number: 10180558
    Abstract: An image module and an electronic device using the same are provided. The image module includes a connecting element and a lens structure. The connecting element includes an inner ring, an outer ring and a connecting portion. The connecting portion connects the inner ring and the outer ring. The lens structure is mounted in the inner ring.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: January 15, 2019
    Assignee: ABILITY ENTERPRISE CO., LTD.
    Inventors: Yen-Min Chang, Chien-Hsin Lien, Chih-Chieh Yu, Cheng-En Lu, Hsien-Feng Lin
  • INDIVIDUALIZED CONTROL SYSTEM UTILIZING BIOMETRIC CHARACTERISTIC
    Publication number: 20190012856
    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: August 30, 2018
    Publication date: January 10, 2019
    Inventors: YEN-MIN CHANG, Chih-Yuan Chuang
  • METHOD FOR AUTOMATICALLY FOCUSING ON SPECIFIC MOVABLE OBJECT, PHOTOGRAPHIC APPARATUS INCLUDING AUTOMATIC FOCUS FUNCTION, AND COMPUTER READABLE STORAGE MEDIUM FOR STORING AUTOMATIC FOCUS FUNCTION PROGRAM
    Publication number: 20180341168
    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: August 1, 2018
    Publication date: November 29, 2018
    Inventor: YEN-MIN CHANG
  • Light sensor
    Patent number: 10139935
    Abstract: A control system, a mouse and a control method thereof are provided. The control system comprises a dongle and the mouse. The dongle is wiredly connected to a host and has a first light source for emitting a first light. The mouse is wirelessly connected to the dongle and has a transmitter, a second light source for emitting a second light, an optical sensor and a processor. The optical sensor senses the first light at a first time interval to generate a first sensing signal and then also, senses the second light at a second time interval to generate a second sensing signal. The processor generates a first control signal and a second control signal according to the first sensing signal and the second sensing signal, respectively, and transmits them to the dongle via the transmitter so that the host receives the first and second control signals via the dongle.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: November 27, 2018
    Assignee: PIXART IMAGING INC.
    Inventors: Chun-Wei Chen, Yen-Min Chang, Shih-Wei Kuo, Ching-Lin Chung
  • Automatic clean machine control method and automatic clean machine
    Patent number: 10111571
    Abstract: Disclosed is a computer readable recording media recording at least one program. An automatic clean machine control method applied to an automatic clean machine can be performed while the program is executed. The automatic clean machine control method comprises: (a) controlling the automatic clean machine to acquire a map; (b) selecting at least part of the map as a region to be cleaned; and (c) controlling the automatic clean machine to perform a first clean operation to the region to be cleaned.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: October 30, 2018
    Assignee: PixArt Imaging Inc.
    Inventor: Yen-Min Chang
  • FLOW AMOUNT MEASURING APPARATUS, MATERIAL MIXING SYSTEM AND NON TRANSITORY COMPUTER READABLE MEDIUM PERFORMING MATERIAL MIXING METHOD
    Publication number: 20180306612
    Abstract: A flow amount measuring apparatus comprising: a rotating device, configured to rotate while material flows through the rotating device; a rotating bar, connected to the rotating device, configured to rotate corresponding to rotating of the rotating device; a feature acquiring device, configured to detect at least one feature of the rotating bar; and a computing unit, configured to compute a number for full rotations for the rotating bar based on the feature of the rotating bar, and configured to compute a flow amount for the material flows through the rotating device based on the number for full rotations.
    Type: Application
    Filed: April 21, 2017
    Publication date: October 25, 2018
    Inventors: Feng-Chi Liu, Yen-Min Chang