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
Disk drive increasing capacity by adjusting a servo gate during write operations
Sample analyzing device
Binary-to-gray converting circuits and gray code counter including the same
Re-establishing push notification channels via user identifiers
Anti-GITR antibodies
Computerized apparatus for identifying industries for potential transfer of a job function
Methods and apparatus to perform time zone determination by a mobile station
  Randomly Featured Patents
Solenoid operated valve device designed to ensure high responsiveness of valve action
Image enhancement and application functionality for medical and other uses
Method for data coding
Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system
Semiconductor device and method for manufacturing the same
Packaging for semiconductor logic devices
System and method for thermal throttling of memory modules
Semiconductor inversion layer transistor
Sound bar speaker system
Apparatus for producing a color picture on recording paper