|
US5962968A
|
|
Vessel shapes and coil forms for electrodeless discharge lamps
|
|
US5880464A
|
|
Optical meter reader using a shadow
|
|
US6108614A
|
|
System and method for serial communication between a central unit and a plurality of remote units
|
|
US5598069A
|
|
Amalgam system for electrodeless discharge lamp
|
|
US5581157A
|
|
Discharge lamps and methods for making discharge lamps
|
|
US5734966A
|
|
Wireless communication system for adapting to frequency drift
|
|
US5561351A
|
|
Dimmer for electrodeless discharge lamp
|
|
US5734221A
|
|
Vessel shapes and coil forms for electrodeless discharge lamps
|
|
EP0643900A1
|
|
Electrodeless discharge lamp containing push-pull class e amplifier and bifilar coil
|
|
WO9323974A1
|
|
Stable power supply with high power factor
|
|
US5349271A
|
|
Electrodeless discharge lamp with spiral induction coil
|
|
US5397966A
|
|
Radio frequency interference reduction arrangements for electrodeless discharge lamps
|
|
US5306986A
|
|
Zero-voltage complementary switching high efficiency class D amplifier
|
|
US5198644A
|
|
System for display of prices and related method
|
|
AU8876891A
|
|
Method and apparatus for price display
|
