Patents by Inventor Romino Cretone

Romino Cretone 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).

  • Control device for a discharge lamp
    Patent number: 8405316
    Abstract: A control device of a driving circuit of a discharge lamp is described. The driving circuit comprises an half bridge with a high side and a low side switches and the control device comprises a first device configured to control the switching frequency of the half bridge and a second device configured to detect the saturation current condition of the choke or the over current condition by detecting, cycle by cycle, a signal representative of the current passing through the low side switch. The second device generate a signal to cause the turning off of the low side switch and the turning on of the high side switch when the saturation current or over current condition of the choke is detected.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: March 26, 2013
    Assignee: STMicroelectronics S.r.l.
    Inventors: Luca Giussani, Romino Cretone
  • CONTROL DEVICE FOR A DISCHARGE LAMP
    Publication number: 20120169255
    Abstract: A control device of a driving circuit of a discharge lamp is described. The driving circuit comprises an half bridge with a high side and a low side switches and the control device comprises a first device configured to control the switching frequency of the half bridge and a second device configured to detect the saturation current condition of the choke or the over current condition by detecting, cycle by cycle, a signal representative of the current passing through the low side switch. The second device generate a signal to cause the turning off of the low side switch and the turning on of the high side switch when the saturation current or over current condition of the choke is detected.
    Type: Application
    Filed: December 29, 2010
    Publication date: July 5, 2012
    Applicant: STMICROELECTRONICS S.r.I.
    Inventors: Luca Giussani, Romino Cretone