Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Discharge lamp power control circuit with reduced light fluctuations during lamp run-up

Discharge lamp power control circuit with reduced light fluctuations during lamp run-up

US Patent 5448139 · Granted Sep 5, 1995

Estimated economic value: $19,871,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of representing a video image by means of a projector2008
High pressure discharge lamp operating circuit with light control during lamp ru1996
Switching device1991
High-pressure sodium discharge lamp1990
Circuit arrangement for operating a high-pressure discharge lamp1988
Discharge lamp circuit with protected PTC resistor1987
High efficiency converter for discharge lamps1986
Control circuit for a DC-AC converter1984
Electronic flashgun1982
Electronic flashgun1982
Electric device for starting and feeding a metal vapor discharge lamp provided w1981