LED RETROFIT LAMP Russian patent published in 2019 - IPC H05B33/08 

FIELD: electricity.

SUBSTANCE: sources (10) of light for replacing fluorescent lamps contain lighting schemes (3) with LEDs, first and second terminals (1, 2) located at the first and second ends of sources (10) of light, for exchanging the first signals with high-frequency ballasts, and converter circuits (4) for converting the first signals to the second signals for energizing lighting circuits (3). Circuits (4) of transducers contain reactive circuits (5) for matching circuits (3) of lighting and high-frequency ballasts and provide safety to people when installing sources (10) of light. Light sources (10) may additionally contain protection circuits (7, 8) to protect parts of light sources (10) from problems. Protection circuits (7, 8) may contain monitoring circuits (7) for monitoring the parameters of light sources (10) and for short-circuiting the outputs of converter circuits (4) in response to monitoring results and fuses (8). Reactive circuits (5) contain protective capacitors (51, 52) and inductive element (55).

EFFECT: technical result is reduction of electromagnetic losses.

13 cl, 8 dwg