Patents by Inventor TAO HAIMIN

TAO HAIMIN 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).

  • Retrofit light emitting diode, LED, tube for enabling step dimming in a multilamp luminaire lighting system
    Patent number: 10638564
    Abstract: A retrofit Light Emitting Diode, LED, tube to be used in a multi lamp luminaire system is presented, which LED tube comprises a controllable switch circuit arranged to short circuit the LED array of the LED tube such that the LED array does not emit light and such that the current path in the multi lamp luminaire system is not interrupted.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: April 28, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Tao Haimin, Peter Deixler
  • A RETROFIT LIGHT EMITTING DIODE, LED, TUBE FOR ENABLING STEP DIMMING IN A MULTILAMP LUMINAIRE LIGHTING SYSTEM
    Publication number: 20190208593
    Abstract: A retrofit Light Emitting Diode, LED, tube to be used in a multi lamp luminaire system is presented, which LED tube comprises a controllable switch circuit arranged to short circuit the LED array of the LED tube such that the LED array does not emit light and such that the current path in the multi lamp luminaire system is not interrupted.
    Type: Application
    Filed: September 18, 2017
    Publication date: July 4, 2019
    Inventors: TAO HAIMIN, PETER DEIXLER