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Class Information
Number: 323/299
Name: Electricity: power supply or regulation systems > Input level responsive
Description: Subject matter which maintains an output at a desired level through the use of control means responsive to the input level.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615981 |
Boost converter with enhanced control capabilities of emulating an inductor current |
Nov. 10, 2009 |
| 7608946 |
Boosting circuit and integrated circuit having the same |
Oct. 27, 2009 |
| 7598719 |
Switching regulator with improved power supply voltage variation response |
Oct. 6, 2009 |
| 7592793 |
Voltage regulator providing power from AC power source |
Sep. 22, 2009 |
| 7570039 |
Apparatus and method for control supply output voltage techniques to track battery voltage |
Aug. 4, 2009 |
| 7560179 |
Fuel cell apparatus and method for controlling fuel |
Jul. 14, 2009 |
| 7557548 |
Safety barrier device employing an overload protection circuit for limiting current or voltage or current and voltage |
Jul. 7, 2009 |
| 7557556 |
Voltage control circuit |
Jul. 7, 2009 |
| 7554821 |
System and method for input current shaping in a power converter |
Jun. 30, 2009 |
| 7554219 |
DC/DC converter having an input switching stage and a plurality of output channels |
Jun. 30, 2009 |
| 7548438 |
System and method for input current shaping in a power converter |
Jun. 16, 2009 |
| 7541786 |
Voltage regulator |
Jun. 2, 2009 |
| 7538535 |
Error voltage ripple compensation to extend bandwidth of a feedback loop in a DC-to-DC converter |
May. 26, 2009 |
| 7518345 |
Device for converting a continuous supply voltage into a continuous output voltage and corresponding electronic circuit |
Apr. 14, 2009 |
| 7514913 |
Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction |
Apr. 7, 2009 |
| 7511460 |
Circuits, systems, methods, and software for power factor correction and/or control |
Mar. 31, 2009 |
| 7508641 |
Method of forming an in-rush limiter and structure therefor |
Mar. 24, 2009 |
| 7502950 |
Dual power supply switching system operating in parallel for providing power to a plurality of LED display modules |
Mar. 10, 2009 |
| 7492142 |
DC chopper and method for operating a DC chopper |
Feb. 17, 2009 |
| 7486056 |
Input current or voltage limited power supply |
Feb. 3, 2009 |
| 7486064 |
Under voltage lock out circuit and method |
Feb. 3, 2009 |
| 7482796 |
Switching regulator, power supply circuit and secondary cell charging circuit including the same |
Jan. 27, 2009 |
| 7471073 |
Method of finding a maximum power of a photovoltaic generator |
Dec. 30, 2008 |
| 7456625 |
Electric circuit |
Nov. 25, 2008 |
| 7456624 |
PWM control scheme under light load |
Nov. 25, 2008 |
| 7453251 |
Voltage tracking reference for a power regulator |
Nov. 18, 2008 |
| 7432691 |
Method and apparatus for controlling power drawn from an energy converter |
Oct. 7, 2008 |
| 7433211 |
System and method for input current shaping in a power converter |
Oct. 7, 2008 |
| 7425819 |
Slope compensation circuit |
Sep. 16, 2008 |
| 7420354 |
Method and apparatus for controlling power drawn from an energy converter |
Sep. 2, 2008 |
| 7417414 |
Semiconductor device provided with feedback circuit including resistive element and capacitive element |
Aug. 26, 2008 |
| 7405551 |
Method and an apparatus to adjust duty cycle for voltage supply regulation |
Jul. 29, 2008 |
| 7400119 |
Modular high voltage power supply for chemical analysis |
Jul. 15, 2008 |
| 7397678 |
Method for driving a switch that controls current drawn in a power factor correction circuit and a drive circuit therefor |
Jul. 8, 2008 |
| 7394237 |
Maxium power point tracking method and tracking device thereof for a solar power system |
Jul. 1, 2008 |
| 7388361 |
Mainboard and power control device thereof |
Jun. 17, 2008 |
| 7385376 |
Voltage regulator with high voltage protection |
Jun. 10, 2008 |
| 7382150 |
Sensitivity switchable detection circuit and method |
Jun. 3, 2008 |
| 7375503 |
System for current sensing in switched DC-to-DC converters |
May. 20, 2008 |
| 7368891 |
Charge control method of capacitor in thyristor converter |
May. 6, 2008 |
| 7362083 |
DC-DC converter with modulator circuit having a feed forward structure |
Apr. 22, 2008 |
| 7358712 |
Power supply control circuit and control method thereof |
Apr. 15, 2008 |
| 7355376 |
Battery status indicator compensating for battery voltage recovery |
Apr. 8, 2008 |
| 7339357 |
Power supply regulation using kelvin tap for voltage sense feedback from point within integrated circuit load |
Mar. 4, 2008 |
| 7336060 |
Circuit and method for controlling a DC-DC converter by enabling the synchronous rectifier during undervoltage lockout |
Feb. 26, 2008 |
| 7325749 |
Distributed solid state programmable thermostat/power controller |
Feb. 5, 2008 |
| 7327203 |
PWM signal generation circuit and PWM control circuit |
Feb. 5, 2008 |
| 7319311 |
Step down switching regulator with the substrate of the switching transistor selectively connected to either its drain or source |
Jan. 15, 2008 |
| 7317307 |
Circuit arrangement for load regulation in the receive path of a transponder |
Jan. 8, 2008 |
| 7301320 |
On-chip high frequency power supply noise sensor |
Nov. 27, 2007 |
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