Patents by Inventor John Feng Shi Hwang

John Feng Shi Hwang 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).

  • LIGHTING APPARATUS FOR A GAMING MACHINE CABINET
    Publication number: 20130003391
    Abstract: A lighting apparatus for a gaming machine cabinet comprising: a spot light source which emits light relative to a central emission axis; and a translucent diffuser spaced from the spot light source, the diffuser comprising an inner portion located so as to intercept light emitted along the emission axis and an outer portion spaced from the emission axis, the inner and outer portions arranged such that the diffuser prevents transmission of more light in the region of the inner portion than in the region of the outer portion.
    Type: Application
    Filed: September 12, 2012
    Publication date: January 3, 2013
    Applicant: Aristocrat Technologies Australia PTY Limited
    Inventors: John Feng Shi Hwang, Noel Voloh
  • LIGHTING APPARATUS FOR A GAMING MACHINE CABINET
    Publication number: 20110222269
    Abstract: A lighting apparatus for a gaming machine cabinet comprising: a spot light source which emits light relative to a central emission axis; and a translucent diffuser spaced from the spot light source, the diffuser comprising an inner portion located so as to intercept light emitted along the emission axis and an outer portion spaced from the emission axis, the inner and outer portions arranged such that the diffuser prevents transmission of more light in the region of the inner portion than in the region of the outer portion.
    Type: Application
    Filed: May 23, 2011
    Publication date: September 15, 2011
    Applicant: Aristocrat Technologies Australia PTY Limited
    Inventors: John Feng Shi Hwang, Noel Voloh
  • Lighting apparatus for a gaming machine cabinet
    Patent number: 8002424
    Abstract: A lighting apparatus for a gaming machine cabinet comprising: a spot light source which emits light relative to a central emission axis; and a translucent diffuser spaced from the spot light source, the diffuser comprising an inner portion located so as to intercept light emitted along the emission axis and an outer portion spaced from the emission axis, the inner and outer portions arranged such that the diffuser prevents transmission of more light in the region of the inner portion than in the region of the outer portion.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: August 23, 2011
    Assignee: Aristocrat Technologies Australia Pty Limited
    Inventors: John Feng Shi Hwang, Noel Voloh
  • Lighting Apparatus for a Gaming Machine Cabinet
    Publication number: 20090174346
    Abstract: A lighting apparatus for a gaming machine cabinet comprising: a spot light source which emits light relative to a central emission axis; and a translucent diffuser spaced from the spot light source, the diffuser comprising an inner portion located so as to intercept light emitted along the emission axis and an outer portion spaced from the emission axis, the inner and outer portions arranged such that the diffuser prevents transmission of more light in the region of the inner portion than in the region of the outer portion.
    Type: Application
    Filed: October 3, 2008
    Publication date: July 9, 2009
    Applicant: Aristocrat Technologies Australia Pty Limited
    Inventors: John Feng Shi Hwang, Noel Voloh