Resources Contact Us Home
Solar powered lighting system

Image Number 4 for United States Patent #4384317.

A solar powered lighting system including a light emitting unit electrically connected to a rechargeable power storage unit, a solar powered recharger connected to that power storage unit, means to prevent discharge of that power storage unit through the solar powered recharger, means to prevent overcharging of the power storage unit, means to prevent discharging the power storage unit below a predetermined level and means to automatically connect the disconnect the light emitting unit from the power storage unit wherein the voltage output of the solar powered recharger and the power storage unit is matched to the voltage required by the light emitting unit.

  Recently Added Patents
Systems and methods for excluding undesirable network transactions
Systems and methods for economic retirement analysis
Under bump passive components in wafer level packaging
Phosphor adhesive sheet, light emitting diode element including phosphor layer, light emitting diode device, and producing methods thereof
Error scanning in flash memory
Inflatable workshop
Spin transition material
  Randomly Featured Patents
3 (5)-heteroaryl substituted pyrazoles as p38 kinase inhibitors
Display driving method and apparatus
Plugging an abandoned well with a polymer gel
Image processing apparatus and image processing method
Method and device for centralized management of warnings in an aircraft comprising several warning presentation interfaces
Safety belt retractor
Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste water
Cathode-ray tube socket
Human therapeutic uses of BPI protein products
Diesel engine system for use with emission control device