Patents by Inventor Say Joo NG

Say Joo NG 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).

  • Method and system of automatically adjusting light intensity of a lighting fixture having multiple emitters
    Patent number: 8890437
    Abstract: A system for automatically adjusting light intensity of a lighting fixture having multiple emitters, includes a power supply for supplying at least one current source to multiple emitters, at least one first emitter capable of emitting light of a first wavelength, at least one second emitter capable of emitting light of a second wavelength and a luminous intensity adjusting circuit for adjusting light intensity of the at least one first emitter. Particularly, the luminous intensity adjusting circuit stabilizes a first current distributed from a feeding current of the at least one current source and the multiple emitters collectively emit light at a predefined variable light-intensity.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: November 18, 2014
    Assignee: Ledzworld SDN BHD
    Inventors: Deepak Ken Chakravarti, Say Joo Ng
  • METHOD AND SYSTEM OF AUTOMATICALLY ADJUSTING LIGHT INTENSITY OF A LIGHTING FIXTURE HAVING MULTIPLE EMITTERS
    Publication number: 20140159613
    Abstract: A system for automatically adjusting light intensity of a lighting fixture having multiple emitters, includes a power supply for supplying at least one current source to multiple emitters, at least one first emitter capable of emitting light of a first wavelength, at least one second emitter capable of emitting light of a second wavelength and a luminous intensity adjusting circuit for adjusting light intensity of the at least one first emitter. Particularly, the luminous intensity adjusting circuit stabilizes a first current distributed from a feeding current of the at least one current source and the multiple emitters collectively emit light at a predefined variable light-intensity.
    Type: Application
    Filed: December 12, 2012
    Publication date: June 12, 2014
    Applicant: LEDZWORLD SDN. BHD
    Inventors: Deepak Ken CHAKRAVARTI, Say Joo NG