Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Retrofit light emitting diode, LED, lighting device for connection to a ballast, wherein said LED lighting device is arranged to detect a dip in said mains voltage using a zero current detector

Retrofit light emitting diode, LED, lighting device for connection to a ballast, wherein said LED lighting device is arranged to detect a dip in said mains voltage using a zero current detector

US Patent 11277898 · Granted Mar 15, 2022

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Overvoltage protection integrated in the module temperature protection2025
Luminaire arrangement and method for assembling such luminaire arrangement2025
Lamp driver with voltage sensing2025
Driver circuit and a method of controlling a driver2025
Artificial skylight2024
ESD protection of chip scale package LEDS2024
Lighting device which receives power from an external power supply2024
Lamp driver with over voltage protection2024
Tubular LED lamp and a circuit used for the lamp2024
Tubular device for fitting to a tubular light fitting2024
Mechanism for controlling a driver arrangement2024
Double ended retrofit light emitting diode, LED, based lighting device for conne2024