Patents
Sitemap › G05 - Controlling; Regulating › G05F - Systems for regulating electric or magnetic variables › 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
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)
06/2010
06/10/2010US20100141048 Mobile phone and power supply system of the same
06/10/2010US20100141035 Method and apparatus for providing a power factor correction (pfc) compatible solution for nonsinusoidal uninterruptible power supply (ups)
06/09/2010CN201504178U Bank client-side power supply device
06/09/2010CN201503559U Voltage-drop compensation circuit for power adapter output lines
06/09/2010CN1897431B Switching mode power supply with active load detection and switching method thereof
06/09/2010CN1734938B 半导体集成电路 The semiconductor integrated circuit
06/09/2010CN1606395B Drive system and AC conversion apparatus
06/09/2010CN101730870A Instrument power controller and method for adaptively providing an output voltage and an output current that together maintain a substantially constant electrical output power
06/09/2010CN101730869A voltage regulator for lnb
06/09/2010CN101727170A Power supply managing device for central processing unit
06/09/2010CN101727123A Intelligent self-adaption driving stage control system and method of integrated circuit chip
06/09/2010CN101727122A Quadratic linear power system latching preventing circuit for system level CMOS integrated circuit
06/09/2010CN101727121A Power supply controller and method
06/09/2010CN101727120A Linear voltage regulator circuit for rapidly responding to load change without plug-in capacitor
06/09/2010CN101727119A Low-dropout linear voltage source with effective compensation
06/09/2010CN101722857A Power supply special for automotive electronics
06/09/2010CN101436083B High speed constant flow output drive circuit
06/09/2010CN101349927B V-I switch circuit and programmed control current source using the same
06/09/2010CN101330252B DC-DC converter with temperature compensating circuit
06/09/2010CN101286075B Adjustable energy supply linear programmed control device
06/09/2010CN101281087B Dynamoelectric oscillating table excitation voltage automatic adjusting method
06/09/2010CN101206242B Method for controlling voltage and frequency of FM resonance type extra-high voltage test power supply
06/09/2010CN101189795B Electric power supply control apparatus and semiconductor device
06/08/2010US7734356 Method and system for controlling a luminaire
06/08/2010US7733678 Power factor correction boost converter with continuous, discontinuous, or critical mode selection
06/08/2010US7733675 PWN modulator in multi-phase converter
06/08/2010US7733163 Bias current compensation device and method
06/08/2010US7733160 Power supply circuit, display driver, electro-optical device, and electronic instrument
06/08/2010US7733074 Control circuit of current mode DC-DC converter and control method of current mode DC-DC converter
06/08/2010US7733073 Current regulator with current threshold dependent duty cycle
06/08/2010US7733072 Step-down/step-up DC/DC converter apparatus and method with inductor current threshold value adjusting
06/08/2010US7733071 Device for smoothing the load current supplied to a load
06/08/2010US7733070 Multi-output type DC/DC converter
06/08/2010US7733069 Power converting apparatus and power generating apparatus
06/08/2010US7733068 DC-DC converter
06/08/2010US7733067 Burst frequency resonant inverter
06/08/2010US7733034 Single inductor serial-parallel LED driver
06/08/2010US7731370 Projection system and method for operating a discharge lamp
06/03/2010WO2010062727A2 Low drop out (ldo) bypass voltage regulator
06/03/2010WO2010062467A1 Wafer level buck converter
06/03/2010WO2010060872A1 A switch-mode voltage regulator
06/03/2010WO2010003039A3 Method for maximum power point tracking of photovoltaic cells by power converters and power combiners
06/03/2010US20100135050 Switching power supply control circuit
06/03/2010US20100134181 Circuit for switchably connecting an input node and an output node
06/03/2010US20100134180 Bandgap-referenced thermal sensor
06/03/2010US20100134178 Boost circuit
06/03/2010US20100134177 Charge pump circuit and method thereof
06/03/2010US20100134085 Hysteretic switching regulator and control method used therein
06/03/2010US20100134084 Output voltage controller, electronic device, and output voltage control method
06/03/2010US20100134083 System and method for a/d conversion
06/03/2010US20100134082 Apparatus for delivering harmonic inductive power
06/03/2010US20100134081 Dc-dc converter
06/03/2010US20100134080 Adaptive constant on-time switching regulator
06/03/2010US20100134079 Analog variable-frequency controller and switching converter therewith
06/03/2010US20100134078 Step-down switching regulator
06/03/2010US20100134077 Power management apparatus with buck boost converter module
06/03/2010US20100134076 Reactive power regulation and voltage support for renewable energy plants
06/02/2010EP2190708A2 Accelerator braking module
06/02/2010DE102005044630B4 Spannungsregler Voltage Regulators
06/02/2010DE102005010904B4 Spannungsregelschaltung und Verfahren zum Versorgen eines elektrischen Bauelements mit einer Versorgungsspannung Voltage control circuit and method for powering an electrical device to a supply voltage
06/02/2010CN201497922U Constant current protective device
06/02/2010CN201497921U Silicon controlled rectifier power supply voltage stabilizing device
06/02/2010CN201497920U Voltage-stabilizing power supply circuit
06/02/2010CN201497919U Digital power single source
06/02/2010CN201497918U Digital voltage controller of rectification equipment for high-voltage static electricity dust removing
06/02/2010CN1941586B Energy effective switching power supply apparatus and energy-effective method thereof
06/02/2010CN1696859B Voltage regulator for separately obtaining pull-up voltage
06/02/2010CN1265479B DC-DC inverter having inductive current test and related method
06/02/2010CN101387893B Electrical heating power closed-loop control method
06/02/2010CN101364742B Lithium battery charger controlling integrated circuit and constant-current constant-voltage control circuit thereof
06/02/2010CN101329586B Reference voltage generator and method for providing multiple reference voltages
06/02/2010CN101324797B Electronic load device and circuit thereof
06/02/2010CN101303609B Low pressure difference voltage regulator with low load regulation rate
06/02/2010CN101282085B Method for sampling and outputting voltage for primary terminal of switch power supply
06/02/2010CN101271344B High-power supply noise restraint low-voltage difference voltage regulator
06/02/2010CN101183270B Low pressure difference voltage stabilizer
06/01/2010US7729134 Power conversion circuit, driving method and drive unit thereof
06/01/2010US7728683 Phase recovery circuit
06/01/2010US7728654 Current generator
06/01/2010US7728653 Display and method of driving the same
06/01/2010US7728652 Semiconductor integrated circuit
06/01/2010US7728651 Drive circuit, voltage conversion device and audio system
06/01/2010US7728573 DC-DC converter controller having optimized load transient response and method thereof
06/01/2010US7728572 Method and apparatus to reduce maximum power from a power supply with transition region regulation
06/01/2010US7728571 Load-dependent frequency jittering circuit and load-dependent frequency jittering method
06/01/2010US7728570 Power factor correction circuit and power supply apparatus thereof
06/01/2010US7728569 Voltage regulator circuitry with adaptive compensation
06/01/2010US7728568 Power supply circuit and switch drivers
06/01/2010US7728567 Current mode pulse frequency modulation switching regulator
06/01/2010US7728566 Voltage regulator
06/01/2010US7728565 Non-invasive load current sensing in low dropout (LDO) regulators
06/01/2010US7728564 Power supply for a load control device
06/01/2010US7728563 Fast voltage regulators for charge pumps
06/01/2010US7728562 Voltage link control of a DC-AC boost converter system
06/01/2010US7728559 Charging apparatus having a switching element for controlling charging power
06/01/2010US7728530 LED driving circuit and controlling method thereof
05/2010
05/27/2010WO2010059527A2 Sensing system, device, and method for therapy modulation
05/27/2010WO2010059276A1 Devices, systems, methods and tools for continuous analyte monitoring
05/27/2010US20100128551 Adjustable voltage regulator for providing a regulated output voltage
05/27/2010US20100127766 Semiconductor apparatus
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