| 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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| 01/26/2012 | WO2012012012A2 Power supply for floating loads |
| 01/26/2012 | WO2012010203A1 Process to operate continuously a solar array to its maximum power in variable shadowing conditions and device needed to carry it out |
| 01/26/2012 | WO2011127348A3 Dc bias evaluation in an ac coupled circuit via transient gain response |
| 01/26/2012 | WO2011085980A3 Redundant module with symmetrical current paths |
| 01/26/2012 | US20120020133 Switch control device, power supply device comprising the same and switch control method |
| 01/26/2012 | US20120019322 Low dropout current source |
| 01/26/2012 | US20120019226 Tracking current through switching devices |
| 01/26/2012 | US20120019225 Control circuit and method for reducing output ripple in constant on-time switching regulator |
| 01/26/2012 | US20120019224 DC-DC Converter |
| 01/26/2012 | US20120019223 Miniature high-voltage power supplies |
| 01/26/2012 | US20120019222 Photoelectric Transducer Device |
| 01/26/2012 | US20120019221 5 Volt Tolerant Voltage Regulator |
| 01/26/2012 | US20120019220 Hybrid power converter |
| 01/26/2012 | US20120019219 Constant on-time switching regulator, and control method and on-time calculation circuit therefor |
| 01/26/2012 | US20120019218 Constant on-time switching regulator, and control method and on-time calculation circuit therefor |
| 01/26/2012 | US20120019217 Control concept for a digitally controlled magnetic supply device |
| 01/26/2012 | DE10252589B4 Stromversorgungsschaltung Power supply circuit |
| 01/26/2012 | DE10215403B4 Schaltung zur Regelung und zur Erfassung eines Laststromes Circuitry for control and for detecting a load current |
| 01/25/2012 | EP2409398A2 Device for monitoring step switches |
| 01/25/2012 | CN202126641U Depressurization circuit at front end of low-voltage-difference linear voltage regulator |
| 01/25/2012 | CN1968011B Transistor drive circuit, constant voltage circuit, and method thereof using a plurality of error amplifying circuits |
| 01/25/2012 | CN102332873A Power control circuit for mobile terminal power amplifier |
| 01/25/2012 | CN102332241A Ptat current generation circuit having high temperature coefficient, display device and method thereof |
| 01/25/2012 | CN102331808A Solar maximum power point tracking system and method for implementing same |
| 01/25/2012 | CN102331807A Low-dropout (LDO) linear regulator of integrated slew rate enhancing circuit |
| 01/25/2012 | CN102331806A Differential amplifier circuit and series regulator |
| 01/25/2012 | CN102331805A Energy-saving intelligent alternating current voltage stabilizing power supply |
| 01/25/2012 | CN102331804A Non-uniform-speed current regulator |
| 01/25/2012 | CN101751057B Electronic device power supply circuit and power supply method thereof |
| 01/25/2012 | CN101213499B Efficient charge pump for a wide range of supply voltages |
| 01/24/2012 | US8103892 Power management apparatus with buck boost converter module |
| 01/24/2012 | US8102685 High voltage power supply |
| 01/24/2012 | US8102200 Current control circuit |
| 01/24/2012 | US8102167 Phase-cut dimming circuit |
| 01/24/2012 | US8102166 Power source device and output voltage stabilizing method |
| 01/24/2012 | US8102165 Means of eliminating electrolytic capacitor as the energy storage component in the single phase AD/DC two-stage converter |
| 01/24/2012 | US8102164 Power factor correction converter control offset |
| 01/24/2012 | US8102163 Voltage regulator |
| 01/24/2012 | US8102162 Buck controller having integrated boost control and driver |
| 01/24/2012 | US8102161 Stable output in a switching power supply by smoothing the output of the secondary coil |
| 01/24/2012 | US8102160 Saturation preventing power factor improving method and apparatus |
| 01/19/2012 | WO2011149586A3 System and method for preventing power amplifier supply voltage saturation |
| 01/19/2012 | WO2011143136A3 Ac battery employing magistor technology |
| 01/19/2012 | US20120014150 Power factor correction efficiency improvement circuit, a converter employing the circuit and a method of manufacturing a converter |
| 01/19/2012 | US20120013396 Semiconductor circuit and constant voltage regulator employing same |
| 01/19/2012 | US20120013395 Internal Voltage Generation Circuit |
| 01/19/2012 | US20120013364 System for on-chip temperature measurement in integrated circuits |
| 01/19/2012 | US20120013323 Half bridge apparatus and half bridge control method |
| 01/19/2012 | US20120013322 Buck switch-mode power converter large signal transient response optimizer |
| 01/19/2012 | US20120013321 Systems and methods of primary-side sensing and regulation for flyback power converter with high stability |
| 01/19/2012 | US20120013320 Voltage regulating circuit and a method for producing a regulated dc output voltage from an unregulated dc input voltage |
| 01/19/2012 | US20120013319 Power control apparatus and method |
| 01/19/2012 | US20120013318 Voltage down converter |
| 01/19/2012 | US20120013317 Constant voltage regulator |
| 01/19/2012 | US20120013316 Dc-dc converter |
| 01/19/2012 | US20120013315 Circuits and methods for controlling a dc/dc converter |
| 01/19/2012 | US20120013314 Voltage regulator system |
| 01/19/2012 | US20120013312 Power Control Device and Method thereof |
| 01/19/2012 | US20120013311 Interface control |
| 01/19/2012 | US20120013310 Alternator Assembly With Opportunistic Voltage Regulation System |
| 01/19/2012 | DE102010027263A1 Voltage regulator assembly for smart card, has control transistor with control terminal, where control terminal is connected with output of charge pump |
| 01/18/2012 | CN202120154U Solar battery and output power regulating system thereof |
| 01/18/2012 | CN202120153U Band-gap reference voltage generation circuit |
| 01/18/2012 | CN102326130A Switch-mode power supply (smps) controller integrated circuit determining operating characteristics from filter component information |
| 01/18/2012 | CN102323844A Wide-output-range conversion system |
| 01/18/2012 | CN102323843A Three-phase dry type magnetic voltage regulator driver for driving cathodic power supply for processing niobium-silicon alloy |
| 01/18/2012 | CN102323842A Band-gap voltage reference source for high-order temperature compensation |
| 01/18/2012 | CN102323841A Current hysteresis control circuit, current hysteresis control method and direct current-direct current converter applying both of same |
| 01/18/2012 | CN102323840A Intelligent manual alternating current voltage stabilizer |
| 01/18/2012 | CN101739052B Current reference source irrelevant to power supply |
| 01/18/2012 | CN101677219B Device and method for dynamically controlling primary side feedback of reference voltage |
| 01/18/2012 | CN101652927B Overcurrent protector of load circuit |
| 01/18/2012 | CN101521200B Semiconductor device and voltage divider circuit |
| 01/18/2012 | CN101290509B Embedded system low-power consumption real time task scheduling method |
| 01/17/2012 | US8098501 Switching power supply control circuit |
| 01/17/2012 | US8098090 Open-drain output buffer for single-voltage-supply CMOS |
| 01/17/2012 | US8098059 Current negative-feedback circuit and DC-DC converter using the circuit |
| 01/17/2012 | US8098058 Circuit arrangement comprising a load transistor and a measuring transistor |
| 01/17/2012 | US8098057 Constant voltage circuit including supply unit having plural current sources |
| 01/17/2012 | US8098056 Bidirectional converter and electronic device |
| 01/17/2012 | US8098055 Step-up converter systems and methods |
| 01/17/2012 | US8098028 Control circuit and method for controlling LEDs |
| 01/17/2012 | US8098027 Light-emitting device driving circuit for dynamically adjusting turn-off time length of switch |
| 01/17/2012 | US8098025 LED flash bulb decorating light |
| 01/17/2012 | US8098022 Circuit configuration for operating at least one discharge lamp and method for generating an auxiliary voltage |
| 01/17/2012 | US8097977 Multi-output power supply device |
| 01/12/2012 | WO2012006092A2 Communication within a power inverter using transformer voltage frequency |
| 01/12/2012 | WO2012006028A2 System and method for dynamically managing power in an electronic device |
| 01/12/2012 | WO2012005788A1 System and method for regulating rms voltage delivered to a load |
| 01/12/2012 | WO2012004935A1 Semiconductor integrated circuit and electronic apparatus provided with same |
| 01/12/2012 | WO2012004083A1 Power-supply circuit |
| 01/12/2012 | WO2012003597A1 Voltage regulator circuit |
| 01/12/2012 | US20120008403 Semiconductor integrated circuit |
| 01/12/2012 | US20120008356 Current-fed converter |
| 01/12/2012 | US20120008355 Passive three phase input current harmonic reduction and power factor correction circuit for power supplies |
| 01/12/2012 | US20120007664 Apparatus and method for recovery of wasted power from differential drivers |
| 01/12/2012 | US20120007663 Integrated circuit with device for adjustment of the operating parameter value of an electronic circuit and with the same electronic circuit |
| 01/12/2012 | US20120007661 Apparatus and method for determining dynamic voltage scaling mode, and apparatus and method for detecting pumping voltage using the same |
| 01/12/2012 | US20120007573 Circuit and method for generating power-up signal |
| 01/12/2012 | US20120007572 Auto cascode buck voltage converter |