Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Electronic ballast with inverter protection and relamping circuits










Image Number 5 for United States Patent #5770925.

An electronic ballast (10) for powering at least one gas discharge lamp (20) comprising an AC-to-DC converter (100), an inverter (200), an output circuit (300), a relamping circuit (400), and an inverter protection circuit (500). Protection circuit (500) shuts down the inverter (200) in response to lamp removal or lamp failure. Following replacement of a failed lamp with an operational lamp, relamping circuit (400) provides restarting of the inverter (200) and ignition of the operational lamp by momentarily disabling the inverter protection circuit (500).








 
 
  Recently Added Patents
Image processing device, image forming apparatus, and non-transitory computer readable recording medium
Signal processing apparatus and methods
Assembly for providing an aligned stack of two or more modules and a lithography system or a microscopy system comprising such an assembly
Presenting a link to a user
Arrays of optical confinements and uses thereof
Method and apparatus for image sensor packaging
Automatic engine oil life determination with a factor for oil quality
  Randomly Featured Patents
Recuperator model for glass furnace reburn analysis
Heat dissipation device having cap for protecting thermal interface material thereon
Shoe
Process for recycling chemical plant waste streams containing recoverable chlorine
Herbicide applicator and welded endless rope
Display unit for samples of floor tiles, carpets or similar articles
Fire retardant and/or self-extinguishing fiber optic assemblies
Fuel puddle suction system for fuel injected engine
Color wheel and manufacturing method of same
Rechargable flashlight