Lamp dimmer circuit
Lamp switch circuit
Level switch
Light control circuit for camcorder
Light intensity control device and circuit therefor
Light sensitive switching circuit
Light switch timer system for power circuit having manual and el
Light switch with delayed turnoff
Light-sensitive switch structure and method with inverse off/on
Light-sensitive switch structure and method with inverse off/on
Lighting control system
Limiter switching apparatus
Line voltage variation compensation apparatus
Liquid activated control switch
Liquid flow activated switch
Liquid level control apparatus
Liquid level sensor and electrode assembly therefor
Liquid level sensor, pump system means and circuit means
Liquid level shutoff control
Liquid rheostat system