Patents by Inventor Lim Sin-Heng

Lim Sin-Heng 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).

  • Proximity sensor for a graphical user interface navigation button
    Patent number: 8552979
    Abstract: A display device comprises a display screen, a graphical user interface navigation button and a proximity sensor including an infrared radiation emitter, an infrared radiation sensor and an infrared radiation source differentiator. The infrared radiation emitter emits a navigation infrared radiation. The infrared radiation sensor is positioned relative to the infrared radiation emitter to sense a reflection of the navigation infrared radiation in a navigation direction corresponding to the infrared radiation sensor.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: October 8, 2013
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Ong Chi-Boon, Lim Sin-Heng
  • Proximity sensor for a graphical user interface navigation button
    Publication number: 20070046629
    Abstract: A display device comprises a display screen, a graphical user interface navigation button and a proximity sensor including an infrared radiation emitter, an infrared radiation sensor and an infrared radiation source differentiator. The infrared radiation emitter emits a navigation infrared radiation. The infrared radiation sensor is positioned relative to the infrared radiation emitter to sense a reflection of the navigation infrared radiation in a navigation direction corresponding to the infrared radiation sensor.
    Type: Application
    Filed: August 30, 2005
    Publication date: March 1, 2007
    Inventors: Ong Chi-Boon, Lim Sin-Heng