Identification card including optically powered electronic circu
Identification system using a laser retro-reflecting and modulat
Identifying radio stations along a travel route that...
Image information transmitting system
Image rejection
Impulse metering of local telephone switching offices via a DAMA
Individual selective-calling receiver with reduced number of swi
Indoor unit of receiver for broadcasting satellite
Induced absorption elements
Information distribution system
Information medium
Information medium for communicating data and/or a selectable co
Information processing system using optically encoded signals
Infra-red data communications system for coupling a battery powe
Infrared data communication system
Infrared data communications
Infrared extension system
Infrared receiver system for a remote control ceiling fan
Infrared remote control apparatus
Infrared remote control system for activating and deactivating o