Inventor
TRESTMAN GRIGORIY A
US8 patents
Patents
8 patentsUS6680585B2Jan 20, 2004
Method and apparatus for modulating HID ballast operating frequency using DC bus ripple voltage
OSRAM SYLVANIA INC29 citations91
US6181076B1Jan 30, 2001
Apparatus and method for operating a high intensity gas discharge lamp ballast
OSRAM SYLVANIA INC41 citations91
US7288901B1Oct 30, 2007
Ballast with arc protection circuit
OSRAM SYLVANIA INC17 citations90
US7276859B1Oct 2, 2007
Three-phase electronic ballast with improved three-phase EMI filter
OSRAM SYLVANIA INC15 citations82
US7102297B2Sep 5, 2006
Ballast with end-of-lamp-life protection circuit
OSRAM SYLVANIA INC10 citations72
US7468586B2Dec 23, 2008
Ballast with arc protection circuit
OSRAM SYLVANIA INC6 citations71
US6906474B2Jun 14, 2005
Three-phase electronic ballast
OSRAM SYLVANIA INC11 citations70
US6680587B1Jan 20, 2004
Electronic ballast with adaptable charge pump power factor correction
OSRAM SYLVANIA INC9 citations70