Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method of operating a lamp with a power controller having current limited RMS regulated output










Image Number 9 for United States Patent #7462996.

A method for converting a line voltage to an RMS load voltage in a lamp includes providing a control circuit which includes a switch and a microcontroller that operates the switch to establish an RMS load voltage for the lamp. The load voltage of the lamp is sensed and the sensed load voltage is compared in the microcontroller to a reference RMS voltage. Operation of the switch is adjusted in response to the comparison so that the RMS load voltage is substantially constant at the reference RMS voltage over a first operating range of the line voltage and so that the RMS load voltage decreases with decreasing line voltage at non-zero line voltages less than the first operating range.








 
 
  Recently Added Patents
Packaging
Method of allocating IP address of image forming apparatus using DHCP, image forming apparatus and system of allocating IP address using DHCP
Methods and systems for presenting an inhalation experience
Superconducting magnetizer
Method and apparatus for pre-scheduling in closed-loop MU-MIMO antenna system
Dispensing of restricted goods
Data-conditioned encryption method
  Randomly Featured Patents
Pants
Radio frequency multiplier producing an even harmonic output
Pressure control system for free-floating piston
Voltage controlled oscillator and phase-locked oscillator using the same
Internet billing method
Bill counting machine
Unit for delivering fuel from a supply tank to the internal combustion engine of a motor vehicle
Collaborative classloader system and method
Laser distance-measuring apparatus and control methods thereof
Indolobenzoxazines