Inventor

UNGACTA CANDICE

US18 patents

⚠️ This page may combine multiple inventors who share the name “UNGACTA CANDICE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNGACTA CANDICE

UNIVERSAL LIGHTING TECH INC

Output transformer and resonant inductor in a combined magnetic structure

Primary current sensing method for isolated LED driver

Lighting device with dimming reference control method to stabilize low output current

LED driver configuration and dimming interface for dynamic adjustment of driver operating parameters

Input surge protection circuit and method for a non-isolated buck-boost LED driver

Constant current control for an LED driver circuit using a microcontroller-based oscillator controlled by a differential error feedback signal from a proportional and integration control loop

Constant current source LED driver circuit with self-clamped output

Auxiliary power supply with dynamically adjustable output

Circuit and method for eliminating power-off flash for LED drivers

Output tuning and dimming interface for an LED driver

Stability control of a power factor correction circuit using adaptive mulitplier voltage feedback

Circuit and method for abnormal fault testing in an LED driver

Circuit and method for indirectly sensing current and voltage in a floating output power supply

Automatic current and reference gain control for wide range current control

LED driver providing constant output power across a wide output voltage and current range

XIONG WEI

Lighting ballast and method for balancing multiple independent resonant tanks

Adaptive lamp warm up control for dimming ballast based on lamp impedance sensing

Electronic ballast circuit and method for detecting removal of parallel connected lamp filaments in low level dimming