(under subclass 493.1) Subject matter which includes two or more radiation sources.
(1) Note. The plural sources may act concurrently, alternately or separately.
(2) Note. Generally the claimed apparatus does not include a circuit or power supply to power the radiation sources; however, the circuit and power supply may be claimed where no other class will take the arrangement.
SEE OR SEARCH CLASS
313, Electric Lamp and Discharge Devices,
1, for electric lamps or discharge devices structurally combined to form a unitary device.
315, Electric Lamp and Discharge Devices: Systems, 35, for the combination of plural discharge devices loads having a circuit element; and subclasses 46 and 49 for a filament, electric heater or resistance in shunt or series with an electrical discharge load.