Latch device
Latch relay drive circuit
Latchable relay
Latching relay control circuit
Laundry machine control system
Law energy solenoid energizer
Lead-lag load lockout control
LED light apparatus
Levitator with rotation control
Lid opener mechanism
Lifting electromagnet
Lifting magnet system
Light barrier arrangement
Light intensity controller using a proximity sensor
Light responsive control device
Lighting control interface apparatus
Linearity signal coupler
Load circuit for a differential driver
Load current control device
Load driver circuit