Patents Assigned to BlackBerrry Limited
  • Mobile wireless communications device including a keyboard assembly for reducing SAR and related methods
    Patent number: 9886066
    Abstract: A mobile wireless communications device may include a portable housing and wireless transceiver circuitry carried by the portable housing. The mobile wireless communications device may also include an antenna carried by the portable housing and coupled to the wireless transceiver circuitry, and a light source carried by the portable housing. The device may further include a keyboard assembly carried by the portable housing including a light guide coupled to the light source and having input key receiving openings therein, and a mask carried by the light guide and having input key receiving openings. The mask may include an electrically conductive layer positioned relative to the antenna to reduce a Specific Absorption Rate value for the mobile wireless communications device.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: February 6, 2018
    Assignee: BLACKBERRRY LIMITED
    Inventors: Meide Qiu, Huanyu Chen
  • Mobile communication system
    Patent number: 9288768
    Abstract: In a mobile communication system, a mobile switching center 27 changes a transmission rate of communication data transmitted from a mobile station 16 and so on to a database 11 or a transmission rate of communication data transmitted from the data 11 to the mobile station 16 and so on, on a basis of request from the mobile station 16 and so on or the database 11, individually and independently.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: March 15, 2016
    Assignee: BlackBerrry Limited
    Inventors: Yoshinori Uchida, Kuniyuki Suzuki
  • Control signal management system and method
    Patent number: 8908570
    Abstract: A user equipment (UE) including a processor configured to transmit control plane data irrespective of on-duration/off-duration status.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: December 9, 2014
    Assignee: BlackBerrry Limited
    Inventors: Yi Yu, Zhijun Cai, James Earl Womack
  • Method and apparatus for controlling a display
    Patent number: 8675023
    Abstract: According to embodiments described in the specification, a method and apparatus for controlling a display are provided. The method comprises providing a first interface on the display, the first interface comprising a representation of a first application at a default zoom level; receiving a command to launch a second application; and, responsive to receiving the launch command, providing an updated interface on the display, the updated interface comprising updated representations of the first application and the second application; wherein the updated representation of the first application is inactive and occupies a first portion of the area of the display, and the updated representation of the second application is active and occupies a second portion of the display area, the second portion being larger than the first portion.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: March 18, 2014
    Assignee: BlackBerrry Limited
    Inventor: Thanh Vinh Vuong