| 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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| 04/23/2013 | US8427127 Control loop for switching power converters |
| 04/23/2013 | US8427126 Digital control of PWM converters with nonlinear gain scheduling |
| 04/23/2013 | US8427125 Window comparator with accurate levels for use in DC-DC converters |
| 04/23/2013 | US8427124 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply |
| 04/23/2013 | US8427123 System, method and apparatus to transition between pulse width modulation and pulse-frequency modulation in a switch mode power supply |
| 04/23/2013 | US8427122 Enhancement of power supply rejection for operational amplifiers and voltage regulators |
| 04/23/2013 | US8427121 Multi-output DC-DC converter |
| 04/23/2013 | US8427120 Coupled inductor output filter |
| 04/23/2013 | US8427113 Voltage converter with combined buck converter and capacitive voltage divider |
| 04/23/2013 | US8427074 PLC controller and discharge lighting ballast receiver with high noise immunity |
| 04/23/2013 | US8427071 Light emitting diode driving device with a simple structure and an enhanced efficiency |
| 04/23/2013 | US8427069 Current-regulated power supply with soft-start protection |
| 04/23/2013 | US8427062 Illumination device and method for adapting an emission characteristic of an illumination device |
| 04/23/2013 | US8425053 Lighting control device and projector |
| 04/23/2013 | CA2599079C Solid state power controller with lightning protection |
| 04/18/2013 | US20130093505 On-chip voltage regulator |
| 04/18/2013 | US20130093503 High current drive switched capacitor charge pump |
| 04/18/2013 | US20130093408 Asymmetrical Coupled Inductors And Associated Methods |
| 04/18/2013 | US20130093407 Dc-dc converter |
| 04/18/2013 | US20130093406 Power regulator and controlling method thereof |
| 04/18/2013 | US20130093405 Buck converter |
| 04/18/2013 | US20130093404 Apparatus and method for protecting supply modulator |
| 04/18/2013 | US20130093403 Methods and Circuits for Improving the Dynamic Response of a DC-DC Converter |
| 04/18/2013 | US20130093402 Inductive load controlling device |
| 04/18/2013 | US20130093263 Power supply equipment providing a data signal, identification information and power to an electronic device |
| 04/18/2013 | DE102012109715A1 Verfahren, System und Vorrichtung mit Multicast-Funktion in einem Energieportal Method, system and apparatus with multicast function in a power Portal |
| 04/17/2013 | EP2581800A1 Stabilized dc power source device |
| 04/17/2013 | CN202889289U Layout structure for reducing direct current offset voltage of cascading amplifying circuit |
| 04/17/2013 | CN202887045U Solar cell panel maximum power tracing circuit |
| 04/17/2013 | CN202887044U Controller of cascaded-voltage regulator |
| 04/17/2013 | CN202887043U Low-dropout voltage stabilizing circuit |
| 04/17/2013 | CN202887042U Reference voltage generating circuit with self-starting circuit |
| 04/17/2013 | CN202887041U 信号输出电路 Signal output circuit |
| 04/17/2013 | CN202887040U Adjustable light attenuator drive plate |
| 04/17/2013 | CN202887039U Constant current electromagnetic signal generation device |
| 04/17/2013 | CN202887038U Linear voltage regulator for frequency compensation |
| 04/17/2013 | CN202887037U Output voltage constant value regulator circuit based on expansion land mobile (LM) 2575 |
| 04/17/2013 | CN202887036U Cascaded-voltage regulator |
| 04/17/2013 | CN202887035U Energy-saving voltage-stabilizing device |
| 04/17/2013 | CN202887034U Relay voltage zero passage gear shifting alternative current voltage stabilizer |
| 04/17/2013 | CN103051309A Pulse width modulation circuit, electronic system and generation method of pulse width modulation voltage |
| 04/17/2013 | CN103049035A Reconfiguration optimizing method of photovoltaic cell array local reconfigurable electrical system |
| 04/17/2013 | CN103049034A Variable step size disturbance maximum power point tracking method based on power forecating |
| 04/17/2013 | CN103049033A Constant current source circuit and sampling circuit |
| 04/17/2013 | CN103049032A Resistance-free CMOS (complementary metal oxide semiconductor) bandgap reference voltage source |
| 04/17/2013 | CN103049031A Three-end adjustable integrated voltage stabilizer current expanding device |
| 04/17/2013 | CN103049030A Voltage reference source circuit |
| 04/17/2013 | CN103049029A Current-limiting circuit |
| 04/17/2013 | CN103049028A Constant current source for high voltage magnetic switch resetting |
| 04/17/2013 | CN103049027A Device and method for controlling electro-optical modulator in phase-sensitive OTDR (Optical Time Domain Reflectometer) sensor |
| 04/17/2013 | CN103049026A Current biasing circuit |
| 04/17/2013 | CN102163067B Solar maximum power tracking method and solar charging device |
| 04/17/2013 | CN102117089B Low-voltage drop voltage stabilizer |
| 04/17/2013 | CN102117086B Pressure regulation control module for vehicle power supply and control method thereof |
| 04/17/2013 | CN101644935B Intelligent temperature controller for expectant temperature control of floor heating and working method thereof |
| 04/16/2013 | US8423805 Power supply device, portable electronic apparatus and related method for determining types of a power supply device |
| 04/16/2013 | US8422258 Maximum power point tracker, power conversion controller, power conversion device having insulating structure, and method for tracking maximum power point thereof |
| 04/16/2013 | US8421528 Semiconductor integrated circuit |
| 04/16/2013 | US8421527 Semiconductor integrated circuit device |
| 04/16/2013 | US8421526 Circuit charge pump arrangement and method for providing a regulated current |
| 04/16/2013 | US8421525 Semiconductor circuit device |
| 04/16/2013 | US8421524 Charge pump systems with reduction in inefficiencies due to charge sharing between capacitances |
| 04/16/2013 | US8421523 Voltage supply circuit and integrated circuit including the same |
| 04/16/2013 | US8421522 High voltage generator and method of generating high voltage |
| 04/16/2013 | US8421521 Chemical detection with MOSFET sensor |
| 04/16/2013 | US8421433 Low noise bandgap references |
| 04/16/2013 | US8421432 DC/DC converter having a fast and accurate average current limit |
| 04/16/2013 | US8421430 Digital control switching power supply unit |
| 04/16/2013 | US8421429 Control circuit and method for a power converter controlling adaptive voltage position |
| 04/16/2013 | US8421428 Current trigger circuit and switching power converter using the same |
| 04/16/2013 | US8421427 Reference voltage generation circuit, drive circuit, light emitting diode head, and image forming apparatus |
| 04/16/2013 | US8421426 Constant current driving device having an improved accuracy |
| 04/16/2013 | US8421425 Non-positive inductor current detector for step down switching regulators |
| 04/16/2013 | US8421424 Current driver circuit |
| 04/16/2013 | US8421372 Frequency converted dimming signal generation |
| 04/16/2013 | US8421371 LED drive circuit, LED illumination fixture, LED illumination device, and LED illumination system |
| 04/16/2013 | US8420997 Photo-detector array |
| 04/16/2013 | DE202010017963U1 Anordnung umfassend ein Schaltnetzteil und einen elektrischen Verbraucher sowie Schaltnetzteil und elektrischer Verbraucher Arrangement comprising a switching power supply and an electrical load and switching power supply and electrical loads |
| 04/11/2013 | WO2013050291A1 Ldo regulator |
| 04/11/2013 | US20130088392 Distributed power conditioning with dc-dc converters implemented in heterogeneous integrated circuit |
| 04/11/2013 | US20130088285 Dc voltage conversion circuit of liquid crystal display apparatus |
| 04/11/2013 | US20130088284 Semiconductor device |
| 04/11/2013 | US20130088211 Direct current converter with cuk-circuitry and load current detection |
| 04/11/2013 | US20130088210 Power System and Power Controlling Method and Apparatus Thereof |
| 04/11/2013 | US20130088209 System and method for current limiting a dc-dc converter |
| 04/11/2013 | US20130088208 Switching regulator and electronic device incorporating same |
| 04/11/2013 | US20130088207 Control circuit of step-down dc-dc converter, control circuit of step-up dc-dc converter and step-up/step-down dc-dc converter |
| 04/11/2013 | US20130088206 Power controller and power management control method |
| 04/11/2013 | US20130088169 Constant-current led driver circuit and output voltage adjustable circuit and method thereof |
| 04/10/2013 | EP2579120A1 LDO regulator |
| 04/10/2013 | EP2577834A2 Matrix connection device for photovoltaic panels and/or wind turbines. |
| 04/10/2013 | EP2577416A2 Method and apparatus for power converter input voltage regulation |
| 04/10/2013 | CN202872750U Hall switch circuit and starting and bias circuit thereof |
| 04/10/2013 | CN202872432U Household solar power generation device |
| 04/10/2013 | CN202870669U Double-way maximum power point tracking (MPPT) device |
| 04/10/2013 | CN202870668U Control circuit for pulse-width modulation (PWM) switch power supply |
| 04/10/2013 | CN202870667U Temperature compensating circuit in precision constant flow source not affected by craft deviation |
| 04/10/2013 | CN202870666U Nonlinearity correction circuit used for band-gap reference |
| 04/10/2013 | CN202870665U Circuit used for generating band-gap reference voltage |
| 04/10/2013 | CN202870664U Voltage generation circuit |