| Patents for G05F 1 - Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems (37,749) |
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| 03/02/2006 | WO2005104371A3 Method and circuit used to prevent or at least to reduce disturbance signals when switching off voltage supply, in particular in a household device |
| 03/02/2006 | US20060044054 Midpoint potential generating circuit for use in a semiconductor device |
| 03/02/2006 | US20060044053 Startup circuit and method |
| 03/02/2006 | US20060044052 Charge pump circuit |
| 03/02/2006 | US20060044051 Bootstrap diode emulator with dynamic back-gate biasing and short-circuit protection |
| 03/02/2006 | US20060043956 Method and apparatus for calibrating a ramp signal |
| 03/02/2006 | US20060043955 PWM controller for a voltage regulator |
| 03/02/2006 | US20060043954 Digital current mode controller with low frequency current sampling |
| 03/02/2006 | US20060043953 Pulse frequency modulation methods and circuits |
| 03/02/2006 | US20060043952 Spring modulation with fast load-transient response for a voltage regulator |
| 03/02/2006 | US20060043951 Higher order slope compensation for fixed frequency current mode switching regulators |
| 03/02/2006 | US20060043950 Fan motor speed control circuit and voltage-regulating module thereof |
| 03/02/2006 | US20060043949 Load transient frequency modulation in fixed frequency PWM regulator |
| 03/02/2006 | US20060043948 Load transient frequency modulation in fixed frequency PWM regulator |
| 03/02/2006 | US20060043947 Method and apparatus for customizing of a power supply based on load characteristic data |
| 03/02/2006 | US20060043946 Voltage regulator controller power good indicator circuitry |
| 03/02/2006 | US20060043945 Power regulator having over-current protection circuit and method of providing over-current protection thereof |
| 03/02/2006 | US20060043944 Detection of the supply state of a load supplied by a variable voltage |
| 03/02/2006 | US20060043943 Fixed-frequency current mode converter and control method thereof |
| 03/02/2006 | US20060043942 Power converter apparatus and methods using output current feedforward control |
| 03/02/2006 | US20060043941 Reactive power compensator |
| 03/02/2006 | US20060043901 Lighting control circuit for vehicle lighting equipment |
| 03/02/2006 | DE102004041920A1 Spannungsversorgungsschaltung und Verfahren zur Inbetriebnahme einer Schaltungsanordnung Power supply circuit and method for starting a circuit arrangement |
| 03/02/2006 | DE102004041511A1 Spannungsregler mit Überspannungsschutz Voltage regulator with overvoltage protection |
| 03/01/2006 | EP1629583A2 System to control integrated circuit resonance |
| 03/01/2006 | EP1390825B1 Buffered current-feedback power supply and applications thereof |
| 03/01/2006 | CN2762432Y Isolated multiplex DC-DC voltage-stabilized source circuit board |
| 03/01/2006 | CN2762417Y Intelligent power factor correction control circuit |
| 03/01/2006 | CN1742422A Electrical converter for converting electrical power |
| 03/01/2006 | CN1742417A A device and a method for control of power flow in a transmission line |
| 03/01/2006 | CN1742246A One cycle control continuous conduction mode PFC boost converter integrated circuit with integrated power switch and boost converter |
| 03/01/2006 | CN1740937A Regulator circuit capable of detecting variations in voltage |
| 03/01/2006 | CN1740936A Adaptive power management apparatus and method |
| 03/01/2006 | CN1740935A Switch type DC voltage-stabilizing circuit |
| 03/01/2006 | CN1244257C Balanced power supply circuit for multiple cold-cathode fluorescent lamps |
| 03/01/2006 | CN1244197C Controlled self-oscillation modulator and power conversion system using such a modulator |
| 02/28/2006 | US7006367 Power factor controller |
| 02/28/2006 | US7006362 DC/DC converter |
| 02/28/2006 | US7005913 I/O buffer with wide range voltage translator |
| 02/28/2006 | US7005912 Simple step-up apparatus including level shift circuits capable of low breakdown voltage |
| 02/28/2006 | US7005867 Power supply circuit and testing device |
| 02/28/2006 | US7005839 Reference power supply circuit for semiconductor device |
| 02/28/2006 | US7005838 Voltage generation circuit |
| 02/28/2006 | US7005837 Digital potentiometer including output buffer |
| 02/28/2006 | US7005836 Differential power supply controller and method therefor |
| 02/28/2006 | US7005835 Method and apparatus for load sharing in a multiphase switching power converter |
| 02/28/2006 | US7005834 Synchronous rectifier circuit and power supply |
| 02/28/2006 | US7005813 Booster circuit for a pre-drive circuit of a brushless direct current single-phase motor |
| 02/28/2006 | US7005808 Discharge lamp illumination circuit |
| 02/23/2006 | WO2006020921A2 Self-driven synchronous rectified boost converter with inrush current protection using bidirectional normally on device |
| 02/23/2006 | WO2006020854A2 Ballast power supply |
| 02/23/2006 | WO2006019486A2 Voltage regulator with adaptive frequency compensation |
| 02/23/2006 | US20060038609 Method and apparatus for fast power-on of the band-gap reference |
| 02/23/2006 | US20060038608 Band-gap circuit |
| 02/23/2006 | US20060038607 Voltage generating circuit that produces internal supply voltage from external supply voltage |
| 02/23/2006 | US20060038606 Boost circuit with a voltage detector |
| 02/23/2006 | US20060038547 Adaptive gate drive voltage circuit |
| 02/23/2006 | US20060038546 Current-limited protection circuit of switching power converter |
| 02/23/2006 | US20060038545 Driver for swicthing circuit and drive method |
| 02/23/2006 | US20060038544 Power supply circuit capable of rapidly changing output voltages |
| 02/23/2006 | US20060038543 DC/DC converters using dynamically-adjusted variable-size switches |
| 02/23/2006 | US20060038542 Solid state lighting device |
| 02/23/2006 | US20060038526 Method for mounting multishaft servo amplifier module |
| 02/23/2006 | DE102004038353A1 Power factor control switching converter for such as a fluorescent light load has control signal based on load condition feedback |
| 02/23/2006 | CA2571806A1 System and method for delivery and management of end-user services |
| 02/22/2006 | EP1628182A1 Inverter for solar cells |
| 02/22/2006 | EP1440503B1 Dual input ac/dc/battery operated power supply |
| 02/22/2006 | CN2760850Y Switch power supply capable of outputting steady power |
| 02/22/2006 | CN2760849Y Adjustable direct current power supply |
| 02/22/2006 | CN2760623Y AC parameter voltage stabilizer |
| 02/22/2006 | CN1739074A Power supply circuit and communications equipment comprising a power supply circuit |
| 02/22/2006 | CN1739073A Dimming ballast control IC with flash suppression circuit |
| 02/22/2006 | CN1738148A Battery charger |
| 02/22/2006 | CN1738145A Generator reactive power adjuster and its adjusting flow |
| 02/22/2006 | CN1738142A Average current type current-equalizing circuit and its formed power supply and power supply system |
| 02/21/2006 | US7002869 Voltage regulator circuit |
| 02/21/2006 | US7002817 DC-to-DC converter with improved transient response |
| 02/21/2006 | US7002402 Method of producing a desired current |
| 02/21/2006 | US7002401 Voltage buffer for capacitive loads |
| 02/21/2006 | US7002400 Input circuits including boosted voltage and related methods |
| 02/21/2006 | US7002387 System and method for startup bootstrap for internal regulators |
| 02/21/2006 | US7002385 Circuit arrangement and method for producing a pulse width modulated signal |
| 02/21/2006 | US7002366 Superconducting constant current source |
| 02/21/2006 | US7002332 Source and sink voltage regulator |
| 02/21/2006 | US7002331 Modular power supply system including a power status signal generator to perform fast sag detection to input peak voltage |
| 02/21/2006 | US7002330 Switching regulator |
| 02/21/2006 | US7002329 Voltage regulator using two operational amplifiers in current consumption |
| 02/21/2006 | US7002328 Switching power converter method |
| 02/21/2006 | US7002327 Digital control apparatus for a switching DC-DC converter |
| 02/21/2006 | US7002326 Method of modulating current regulation control loop's current magnitude from a second control signal |
| 02/21/2006 | US7002325 Clocked cascading current-mode regulator with high noise immunity and arbitrary phase count |
| 02/21/2006 | US7002324 Switching power supply control circuit and switching power supply using same |
| 02/21/2006 | US7002323 Switching power supply circuit capable of reducing switching loss and control method used therein |
| 02/21/2006 | US7002322 Modulated power supply |
| 02/21/2006 | US7002321 Automatic power factor correction using power measurement chip |
| 02/21/2006 | US7002320 Power factor correction circuit with a coil |
| 02/21/2006 | US7002305 Electronic ballast for a discharge lamp |
| 02/21/2006 | US7002301 Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps |
| 02/16/2006 | WO2006017082A2 Systems and methods for minimizing static leakage of an integrated circuit |
| 02/16/2006 | WO2006016615A1 Power supply apparatus |