Patents by Inventor Ching-Lin Chung

Ching-Lin Chung 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: 20180067459
    Abstract: An electronic device includes a case, a manipulation ring disposed on the case, a rotational unit, a waterproof member, and an optical tracking system (OTS) sensor. The case has a first chamber and a second chamber arranged outside the first chamber. The case has a thru-hole arranged between the first and second chambers. The rotational unit includes a shaft and a mating member arranged in the second chamber and connected to the shaft. The shaft has a first segment arranged in the first chamber and a second segment arranged in the thru-hole. The manipulation ring is spinable to rotate the mating member and the shaft. The waterproof member is configured to seal a gap between the second segment and an inner wall of the case defining the thru-hole. The OTS sensor is arranged in the first chamber and is corresponding in position to the first segment.
    Type: Application
    Filed: October 27, 2017
    Publication date: March 8, 2018
    Inventor: CHING-LIN CHUNG
  • Publication number: 20180051979
    Abstract: An optical detecting device is utilized to determine a relative position of a reference object or a light source according to an optical reflecting signal reflected from the reference object via an optical detecting signal emitted by the light source. The optical detecting device includes a light penetrating component, at least one light tight structure and an optical detecting component. A focal length of the light penetrating component is greater than a predetermined distance. The light tight structure is located on a region correlative to the light penetrating component. The optical detecting component is disposed by the light penetrating component and spaced from the light penetrating component by the predetermined distance. The optical reflecting signal is projected onto the optical detecting component through the light penetrating component to form a characteristic image via the light tight structure, and the characteristic image can be used to determine the relative position.
    Type: Application
    Filed: March 22, 2017
    Publication date: February 22, 2018
    Inventors: Ching-Lin Chung, Tien-Li Lin
  • Publication number: 20180032151
    Abstract: A two-dimensional navigation module of a cursor controller includes a top plate, a first rod, a sliding roller sleeved at the first rod, and a first OTS sensor. The top plate has an elongated groove recessed thereon. The first rod is arranged in the groove. Two opposite ends of the first rod are fastened to the top plate. The sliding roller is movable along the first rod between a first position and a second position, and the sliding roller is spinable along the first rod in a range of 0˜360 degrees. When the sliding roller is moved, a center segment of the first rod keeps touching the sliding roller. The first OTS sensor is arranged under the center segment of the first rod for detecting at least one of a moving distance and a spinning angle of the sliding roller.
    Type: Application
    Filed: October 5, 2017
    Publication date: February 1, 2018
    Inventors: CHING-LIN CHUNG, JR-SHEN YANG
  • Publication number: 20180024655
    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: Application
    Filed: September 27, 2017
    Publication date: January 25, 2018
    Inventors: Chun-Wei CHEN, Yen-Min CHANG, Shih-Wei KUO, Ching-Lin CHUNG
  • Patent number: 9804694
    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: August 6, 2013
    Date of Patent: October 31, 2017
    Assignee: PIXART IMAGING INC.
    Inventors: Chun-Wei Chen, Yen-Min Chang, Shih-Wei Kuo, Ching-Lin Chung
  • Publication number: 20170308191
    Abstract: Provided herein are an interactive system and a method thereof for controlling multiple remote devices. The method is executed by a portable navigation device to establish an interactive system including the portable navigation device, a host device and at least one controlled device. The portable navigation device, the host device and the least one controlled device communicate with one another according to at least one protocol. The host device receives an interactive interface provided by the least one controlled device. A cursor with respect to the host device is controlled by the portable navigation device. The least one controlled device corresponding to the interactive interface is controlled according to a motion of the cursor on the interactive interface to execute a function corresponding to the motion. Accordingly, the present invention achieves controlling the least one controlled device or transmitting data using the portable navigation device and the host device.
    Type: Application
    Filed: October 5, 2016
    Publication date: October 26, 2017
    Inventors: CHING-LIN CHUNG, CHIA-FU KE, JR-SHEN YANG, YEN-MIN CHANG
  • Publication number: 20170300130
    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: Application
    Filed: October 25, 2016
    Publication date: October 19, 2017
    Inventors: CHING-LIN CHUNG, CHIA-FU KE, JR-SHEN YANG, YEN-MIN CHANG
  • Publication number: 20170277285
    Abstract: A pen-typed navigation device includes a housing, a pen tip, a pressure detecting unit, and a navigation module having an optical large depth of field detecting unit and a processing unit. The pen tip is disposed on the housing. The pressure detecting unit is disposed on the pen tip to detect a pressure of the pen tip applied to a working plane. The optical large depth of field detecting unit is disposed by the pen tip and has a specific range about the depth of field, and can detect movement information of the pen tip relative to the working plane while a distance between the pen tip and the working plane is smaller than the foresaid specific range. The processing unit is adapted to acquire navigation information generated by the pen tip according to detection result of the pressure detecting unit and the optical large depth of field detecting unit.
    Type: Application
    Filed: May 26, 2016
    Publication date: September 28, 2017
    Inventors: Ching-Lin Chung, Chia-Fu Ke, Jr-Shen Yang
  • Publication number: 20170254699
    Abstract: An electronic device with waterproof structure includes an assembly and a manipulation member movably disposed on an outer surface of the assembly. The assembly includes a case and an optical detection module. The case defines a waterproof space and has a translucent region. The optical detection module is arranged in the waterproof space. The optical detection module has a lighting unit and a sensor array. Light emitted from the lighting unit enables to travel out of the waterproof space by penetrating through the translucent region. At least part of the manipulation member is corresponding in position to the translucent region. The lighting unit is configured to emit light onto the manipulation member, and the sensor array is configured to receive the light reflected from the manipulation member.
    Type: Application
    Filed: June 9, 2016
    Publication date: September 7, 2017
    Inventors: JR-SHEN YANG, CHING-LIN CHUNG, YEN-MIN CHANG
  • Publication number: 20170205901
    Abstract: An optical encoder has a displacement generating unit, a light-emitting unit and an optical navigation integrated circuit. The displacement generating unit has an axle body movable along a central axial line thereof. The axle body has a free end with a diameter larger than a part of the axle body and a planar working surface formed on the free end. The light-emitting unit is configured for operatively providing a light beam to irradiate the working surface of the displacement generating unit. The light beam has a divergence angle within a range to reduce scattering. The optical navigation integrated circuit receives the reflected light beam reflected by the working surface, and calculates a relative displacement between the optical navigation integrated circuit and the working surface.
    Type: Application
    Filed: April 4, 2017
    Publication date: July 20, 2017
    Inventors: CHING-LIN CHUNG, HSIN-CHIA CHEN
  • Publication number: 20170184424
    Abstract: An optical navigation device has a light-emitting unit, an optical navigation chip and a cover. The light-emitting unit provides a light to a surface of a displacement generating unit. The optical navigation chip has a sensing array, but excludes any optical lens for focusing a reflected light. The sensing array disposed opposite to the surface of the displacement generating unit receives the reflected light which the light provided by the light-emitting unit is reflected from the surface of the displacement generating unit. The cover has a first surface and a second surface, and an angle is formed between the cover and the optical navigation chip, to prevent another reflected light from the surface of the first surface of the cover from entering the sensing array. Particularly, the angle formed between the cover and the optical navigation chip is from 10 degrees to 15 degrees.
    Type: Application
    Filed: May 9, 2016
    Publication date: June 29, 2017
    Inventor: CHING-LIN CHUNG
  • Publication number: 20170168591
    Abstract: An electronic apparatus includes a structure and an optical navigation circuit. A first end of the structure is located inside the electronic apparatus and its second end corresponds to a user's control. The structure can be moved forward/backward in a specific direction and/or rotated in another direction. The optical navigation circuit emits light to the structure, captures reflected light from the structure to sense/receive an image from the surface of the structure, detects displacement of the image along a specific axis of the structure, and determines the user's operating behavior as a specific operation according to a change of the sensed displacement of the image.
    Type: Application
    Filed: June 6, 2016
    Publication date: June 15, 2017
    Inventors: Ching-Lin Chung, Kai-Ho Tsai
  • Publication number: 20170139489
    Abstract: An optical processing apparatus and a light source luminance adjustment method adapted to detect a rotational displacement and a pressing state are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.
    Type: Application
    Filed: January 27, 2017
    Publication date: May 18, 2017
    Inventors: Chun-Wei CHEN, Ching-Lin CHUNG
  • Publication number: 20170102790
    Abstract: A navigation trace calibrating method and a related optical navigation device are utilized to transform a first trace line generated by the optical navigation device into a second trace line suitable for user operation. The navigation trace calibrating method includes establishing a reference coordinate system, reading and analyzing the first trace line, calculating a first offset of the first trace line relative to the reference coordinate system, defining an offset between the first trace line and the second trace line as calibration weight to acquire a second offset of the second trace line relative to the reference coordinate system, and calculating a value of the calibration weight according to the second offset and a length of the first trace line.
    Type: Application
    Filed: January 27, 2016
    Publication date: April 13, 2017
    Inventors: Ching-Lin Chung, Chia-Fu Ke
  • Patent number: 9606636
    Abstract: An optical processing apparatus, a light source luminance adjustment method, and a non-transitory computer readable medium thereof are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: March 28, 2017
    Assignee: PIXART IMAGING INC.
    Inventors: Chun-Wei Chen, Ren-Hau Gu, Ching-Lin Chung
  • Patent number: 9578253
    Abstract: The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: February 21, 2017
    Assignee: PIXART IMAGING INC.
    Inventors: Chun-Wei Chen, Ren-Hau Gu, Ching-Lin Chung
  • Publication number: 20160357273
    Abstract: An optical processing apparatus, a light source luminance adjustment method, and a non-transitory computer readable medium thereof are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.
    Type: Application
    Filed: August 18, 2016
    Publication date: December 8, 2016
    Inventors: Chun-Wei CHEN, Ren-Hau GU, Ching-Lin CHUNG
  • Publication number: 20160306446
    Abstract: The present disclosure illustrates an optical navigation chip. The optical navigation chip is disposed on an optical navigation module. The optical navigation module includes a light-emitting unit. The light-emitting unit provides a light beam to irradiate a surface of a displacement generating unit. The light beam has a low divergence angle to reduce scattering. The optical navigation chip includes a sensing array and a displacement calculating unit. The sensing array is disposed corresponding to the surface. The sensing array receives a reflected light beam which the surface reflects, and captures an image once every capturing interval based upon the reflected light beam. The displacement calculating unit calculates a relative displacement between the optical navigation chip and the surface according to the images.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 20, 2016
    Inventors: CHING-LIN CHUNG, JR-SHEN YANG, CHIA-FU KE, YEN-MIN CHANG
  • Patent number: 9459338
    Abstract: A relative position positioning system includes a first apparatus and a second apparatus. Each one of the first and second apparatuses is configured to sense a relative position of the other in an initialization period. In an operation period, each one of the first and second apparatuses is configured to measure its own displacement relative to a plane, transmit its own measured displacement to the other through a wireless transmission unit, and update the relative position of the other according to its own displacement and the displacement received from the other.
    Type: Grant
    Filed: August 9, 2014
    Date of Patent: October 4, 2016
    Assignee: PIXART IMAGING INC.
    Inventors: Tsung-Ho Wu, Shih-Wei Kuo, Ching-Lin Chung
  • Patent number: 9442583
    Abstract: An optical mouse apparatus includes a light source circuit, a sensing circuit, and a processing circuit. The light source circuit is used for generating and emitting a light signal onto a surface so as to generate a light reflected signal. The sensing circuit is used for estimating an image offset of the optical mouse apparatus. The processing circuit is coupled to the light source circuit and the sensing circuit and used for generating and outputting a control signal to a terminal according to the image offset outputted by the sensing circuit. The sensing circuit is further used for detecting at least one of a moving speed or an offset direction of the image offset of the optical mouse apparatus, so as to dynamically determine whether to compress data of the image offset outputted to the processing circuit, for reducing data amount read by the processing circuit.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: September 13, 2016
    Assignee: PixArt Imaging Inc.
    Inventors: Yung-Chang Lin, Tsung-Fa Wang, Ching-Lin Chung