Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Lamp ballast with frequency modulated lamp frequency

Lamp ballast with frequency modulated lamp frequency

US Patent 5410221 · Granted Apr 25, 1995

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of regulating power in a high-intensity-discharge lamp2004
Printed circuit board assembly with improved thermal performance2001
High intensity discharge ballast1999
Lamp ballast circuit characterized by a single resonant frequency substantially 1997
Electronic ballast for operating lamps in parallel1996
Lamp ballast circuit characterized by a single resonant frequency substantially 1995
Arrangement for predicting failure in fluorescent lamp systems1992
Switching arrangement for HID lamps1990