Patents by Inventor Yanmin Mao

Yanmin Mao 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: 20220413565
    Abstract: A mobile computing device includes: a housing having a front face, an opposing back face, and side walls joining the front and back faces; a microphone supported within the housing; and an acoustic channel extending between the microphone and an exterior of the housing, the acoustic channel defined by: (i) a microphone port traversing one of the side walls; (ii) a membrane assembly affixed to a first inner housing surface around the microphone port; and (iii) an isolation plate affixed to a second inner housing surface surrounding at least a portion of the first inner housing surface, the isolation plate having a channel opening therethrough and configured to engage with the membrane assembly.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 29, 2022
    Inventors: Yanmin Mao, Michele B. Feinstein, Mark X. Lamont
  • Patent number: 11003221
    Abstract: A keypad bezel for attaching to a housing of a handheld computer comprises a main body including plurality of screw holes and tabs for connecting the main body to the computer housing and a plurality of leverage points in the main body useful for removing the keypad bezel from the housing. To remove the keypad bezel, the screws are removed from the screw holes and a removal tool is positioned so that it mates with recesses the keypad bezel and force is applied to the removal tool in a direction way from the housing. The force removes the tabs out of corresponding slots in the housing allowing the bezel to be removed.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: May 11, 2021
    Assignee: Zebra Technologies Canada, ULC
    Inventors: Jin Liu, Yanmin Mao
  • Patent number: 10963008
    Abstract: A mobile computing device includes: a device housing including a base, a perimeter wall extending from the base to a perimeter upper edge and having a forward section and a rear section, and an external frame member including: (i) a U-shaped wall removably affixed to the forward section of the perimeter wall and terminating at the rear section of the perimeter wall; and (ii) a retaining bezel extending from the U-shaped wall over the perimeter upper edge.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: March 30, 2021
    Assignee: Zebra Technologies Corporation
    Inventors: Mu-Kai Shen, Yanmin Mao, I-Heng Tsai, Huang Chih Huang, JaeHo Choi, Mark X. Lamont, Carl A. Thelemann, Bo Xu, Xinghua Shi
  • Patent number: 10816793
    Abstract: A scanning assembly for scanning at least one object appearing in a field of view includes a circuit board, a shock assembly adjacent to the circuit board, a scanning module defining a scanning axis defined along a first side of the module, a shielding assembly at least partially surrounding the scanning module, and a frame assembly including at least one opening to accommodate at least a portion of the shielding assembly. The scanning module is operably coupled to the shock assembly such that the shock assembly is disposed between the scanning module and the circuit board. The frame restricts movement of the scanning module and the shielding assembly. The scanning module and the shock assembly are movable in a direction parallel to the scanning axis, and the shock assembly is adapted to dampen a force exerted by the scanning module on the circuit board.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: October 27, 2020
    Assignee: Zebra Technologies Corporation
    Inventors: Yanmin Mao, Ramana Reddy Palpunuri
  • Patent number: 10817028
    Abstract: A keypad module for a mobile computing device includes: a base member including: a base plate having (i) a lower surface configured to engage with a keypad mount of the mobile computing device, (ii) an opposing upper surface, and (iii) a light receiving region at the lower surface; a light pipe riser extending from the base plate and having a light emission region at an input surface of the keypad module; wherein the base plate and the light pipe riser define a light path from the light receiving region to the light emission region, configured to receive light from the mobile computing device and emit the light at the light emission region; and a keypad assembly supported on the upper surface of the base plate, the keypad assembly including a plurality of keys exposed at the input surface of the keypad module.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: October 27, 2020
    Assignee: Zebra Technologies Coproration
    Inventors: I-Heng Tsai, Yanmin Mao, Huang Chih Huang, Timothy Kyowski
  • Publication number: 20200285285
    Abstract: A keypad module for a mobile computing device includes: a base member including: a base plate having (i) a lower surface configured to engage with a keypad mount of the mobile computing device, (ii) an opposing upper surface, and (iii) a light receiving region at the lower surface; a light pipe riser extending from the base plate and having a light emission region at an input surface of the keypad module; wherein the base plate and the light pipe riser define a light path from the light receiving region to the light emission region, configured to receive light from the mobile computing device and emit the light at the light emission region; and a keypad assembly supported on the upper surface of the base plate, the keypad assembly including a plurality of keys exposed at the input surface of the keypad module.
    Type: Application
    Filed: March 8, 2019
    Publication date: September 10, 2020
    Inventors: I-Heng Tsai, Yanmin Mao, Huang Chih Huang, Timothy Kyowski
  • Publication number: 20200285278
    Abstract: A mobile computing device includes: a device housing including a base, a perimeter wall extending from the base to a perimeter upper edge and having a forward section and a rear section, and an external frame member including: (i) a U-shaped wall removably affixed to the forward section of the perimeter wall and terminating at the rear section of the perimeter wall; and (ii) a retaining bezel extending from the U-shaped wall over the perimeter upper edge.
    Type: Application
    Filed: December 10, 2019
    Publication date: September 10, 2020
    Inventors: Mu-Kai Shen, Yanmin Mao, l-Heng Tsai, Huang Chih Huang, JaeHo Choi, Mark X. Lamont, Carl A. Thelemann, Bo Xu, Xinghua Shi
  • Patent number: 10725504
    Abstract: A mobile computing device includes: a housing with a lower wall, a keypad seat and side walls joining the lower wall to the keypad seat and extending upwards from the keypad seat to a bay opening. The walls define an access compartment between the lower wall, the side walls and the keypad seat, and a keypad bay for a keypad module between the keypad seat, the side walls and the bay opening. The device includes a latch slidably mounted to the keypad seat between locked and unlocked positions, including: a hook to engage a keypad module recess in the locked position and secure the keypad module in the bay, and to disengage from the recess in the unlocked position to enable removal of the keypad module; and an activation member in the access compartment to receive an input to transition the latch from the unlocked position to the locked position.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: July 28, 2020
    Assignee: Zebra Technologies Corporation
    Inventors: I-Heng Tsai, Yanmin Mao, Carl A. Thelemann, Xinghua Shi, Mu-Kai Shen, Ramana Reddy Palpunuri
  • Publication number: 20200142185
    Abstract: A scanning assembly for scanning at least one object appearing in a field of view includes a circuit board, a shock assembly adjacent to the circuit board, a scanning module defining a scanning axis defined along a first side of the module, a shielding assembly at least partially surrounding the scanning module, and a frame assembly including at least one opening to accommodate at least a portion of the shielding assembly. The scanning module is operably coupled to the shock assembly such that the shock assembly is disposed between the scanning module and the circuit board. The frame restricts movement of the scanning module and the shielding assembly. The scanning module and the shock assembly are movable in a direction parallel to the scanning axis, and the shock assembly is adapted to dampen a force exerted by the scanning module on the circuit board.
    Type: Application
    Filed: November 5, 2018
    Publication date: May 7, 2020
    Inventors: Yanmin Mao, Ramana Reddy Palpunuri
  • Publication number: 20200089284
    Abstract: A keypad bezel for attaching to a housing of a handheld computer comprises a main body including plurality of screw holes and tabs for connecting the main body to the computer housing and a plurality of leverage points in the main body useful for removing the keypad bezel from the housing. To remove the keypad bezel, the screws are removed from the screw holes and a removal tool is positioned so that it mates with recesses the keypad bezel and force is applied to the removal tool in a direction way from the housing. The force removes the tabs out of corresponding slots in the housing allowing the bezel to be removed.
    Type: Application
    Filed: July 23, 2019
    Publication date: March 19, 2020
    Inventors: Jin Liu, Yanmin Mao
  • Patent number: 10545533
    Abstract: A mobile computing device includes: a device housing including a base, a perimeter wall extending from the base to a perimeter upper edge and having a forward section and a rear section, and a display seat within the forward section of the perimeter wall; a display module including a display assembly supported adjacent to the perimeter upper edge by the display seat, and a display module cover overlaid on the display panel; an external frame member including: (i) a U-shaped wall removably affixed to the forward section of the perimeter wall and terminating at the rear section of the perimeter wall; and (ii) a retaining bezel extending from the U-shaped wall over the perimeter upper edge.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: January 28, 2020
    Assignee: Zebra Technologies Corporation
    Inventors: Mu-Kai Shen, Yanmin Mao, I-Heng Tsai, Huang Chih Huang, JaeHo Choi, Mark X. Lamont, Carl A. Thelemann, Bo Xu, Xinghua Shi
  • Patent number: 10409333
    Abstract: A keypad bezel for attaching to a housing of a handheld computer comprises a main body including plurality of screw holes and tabs for connecting the main body to the computer housing and a plurality of leverage points in the main body useful for removing the keypad bezel from the housing. To remove the keypad bezel, the screws are removed from the screw holes and a removal tool is positioned so that it mates with recesses the keypad bezel and force is applied to the removal tool in a direction way from the housing. The force removes the tabs out of corresponding slots in the housing, allowing the bezel to be removed.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: September 10, 2019
    Assignee: Psion Inc.
    Inventors: Yanmin Mao, Jin Liu
  • Patent number: 9812808
    Abstract: Described herein is a molded printed circuit board. The printed circuit board may be placed inside of a mold and a material is injected therein. The material hardens in the mold around the printed circuit board thereby forming an overmolded printed circuit board. The overmolded material may have apertures in it to allow access to the leads on the printed circuit board so that components to be connected to it. The overmolded printed circuit boards may allow a plurality of electrical components to selectively and removably attach to it. Further, the printed circuit board may be attached in a housing which may itself removably and selectively connect to components.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: November 7, 2017
    Assignee: Psion, Inc.
    Inventors: Bo Xu, Yanmin Mao
  • Patent number: 9792478
    Abstract: A trigger assembly including a cylindrical pivot shaft having a pivot-shaft longitudinal axis; a trigger key having a front face, a back face opposite the front face, an actuator extending from the back face, and a trigger-key longitudinal axis, wherein the a first end on the of the trigger key has a plurality of through holes arranged to receive the cylindrical pivot shaft; a trigger-key support having an aperture for the actuator to pass through, the trigger-key support further having a plurality of pivot-shaft supports, wherein each pivot-shaft support includes a concave surface configured to receive the cylindrical pivot shaft; and a trigger bezel having a plurality of substantially flat surfaces positioned to constrain the pivot shaft in opposition to the plurality of pivot-shaft supports, wherein the substantially flat surfaces are located at different positions along the pivot-shaft longitudinal axis than are the pivot-shaft supports.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: October 17, 2017
    Assignee: Symbol Technologies, LLC
    Inventor: Yanmin Mao
  • Patent number: 9690965
    Abstract: Disclosed herein are embodiments of a scanner with a replaceable bezel and desiccant cartridge. One embodiment takes the form of a scanner that includes a device housing. The scanner also includes a data-acquisition module within the device housing. The scanner also includes a detachable rear bezel affixed to the device housing. The scanner also includes a desiccant cartridge removably attached to the interior wall of the detachable rear bezel.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: June 27, 2017
    Assignee: Symbol Technologies, LLC
    Inventors: Yanmin Mao, Iheng Tsai, Zhiming Zhang, Konstantinos D. Tsiopanos
  • Publication number: 20170147846
    Abstract: A trigger assembly including a cylindrical pivot shaft having a pivot-shaft longitudinal axis; a trigger key having a front face, a back face opposite the front face, an actuator extending from the back face, and a trigger-key longitudinal axis, wherein the a first end on the of the trigger key has a plurality of through holes arranged to receive the cylindrical pivot shaft; a trigger-key support having an aperture for the actuator to pass through, the trigger-key support further having a plurality of pivot-shaft supports, wherein each pivot-shaft support includes a concave surface configured to receive the cylindrical pivot shaft; and a trigger bezel having a plurality of substantially flat surfaces positioned to constrain the pivot shaft in opposition to the plurality of pivot-shaft supports, wherein the substantially flat surfaces are located at different positions along the pivot-shaft longitudinal axis than are the pivot-shaft supports.
    Type: Application
    Filed: November 2, 2016
    Publication date: May 25, 2017
    Inventor: Yanmin Mao
  • Publication number: 20170147845
    Abstract: Disclosed herein are embodiments of a scanner with a replaceable bezel and desiccant cartridge. One embodiment takes the form of a scanner that includes a device housing. The scanner also includes a data-acquisition module within the device housing. The scanner also includes a detachable rear bezel affixed to the device housing. The scanner also includes a desiccant cartridge removably attached to the interior wall of the detachable rear bezel.
    Type: Application
    Filed: November 20, 2015
    Publication date: May 25, 2017
    Inventors: YANMIN MAO, IHENG TSAI, ZHIMING ZHANG, KONSTANTINOS D. TSIOPANOS
  • Publication number: 20170149178
    Abstract: Described herein is a vibration resistant grounding spring. One embodiment takes the form of a mobile electronic device that includes an outer-bezel frame, a circuit-board frame, and a vibration resistant grounding spring. The grounding spring having a channel portion configured to receive an edge of a circuit board frame and a deflection portion extending from the channel portion. The deflection portion is configured to exert a pressure outward from the circuit-board frame towards an outer-bezel frame. The grounding spring provides for both relative motion and electrical connectivity between the circuit board and the outer-bezel frame.
    Type: Application
    Filed: November 20, 2015
    Publication date: May 25, 2017
    Inventors: YANMIN MAO, ZHIMING ZHANG
  • Patent number: 9576173
    Abstract: A trigger assembly including a cylindrical pivot shaft having a pivot-shaft longitudinal axis; a trigger key having a front face, a back face opposite the front face, an actuator extending from the back face, and a trigger-key longitudinal axis, wherein the a first end on the of the trigger key has a plurality of through holes arranged to receive the cylindrical pivot shaft; a trigger-key support having an aperture for the actuator to pass through, the trigger-key support further having a plurality of pivot-shaft supports, wherein each pivot-shaft support includes a concave surface configured to receive the cylindrical pivot shaft; and a trigger bezel having a plurality of substantially flat surfaces positioned to constrain the pivot shaft in opposition to the plurality of pivot-shaft supports, wherein the substantially flat surfaces are located at different positions along the pivot-shaft longitudinal axis than are the pivot-shaft supports.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: February 21, 2017
    Assignee: Symbol Technologies, LLC
    Inventor: Yanmin Mao
  • Patent number: D807374
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: January 9, 2018
    Assignee: Symbol Technologies, LLC
    Inventors: Yanmin Mao, Iheng Tsai, Zhiming Zhang, Konstantinos D. Tsiopanos, Jaeho Choi