Junction device with logic and expansion capability
Key input circuit, power supply control apparatus, and power...
Key switch device and portable key electronic device...
Key-operated device for saving electrical energy
Keyboard-equipped apparatus such as an electronic calculator wit
Keypad handling circuits
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