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
06/23/2010CN101154930B Automatic gain control circuit
06/22/2010US7743266 Method and system for optimizing filter compensation coefficients for a digital power control system
06/22/2010US7742320 Method and apparatus for regulating power in a flyback converter
06/22/2010US7741901 Circuit for charging a bootstrap capacitor in a voltage converter
06/22/2010US7741900 Bias setting device
06/22/2010US7741899 Step-up power supply circuit and stepping-up method
06/22/2010US7741826 Device and method for compensating for ground voltage elevations
06/22/2010US7741825 Power supply circuit with temperature-dependent drive signal
06/22/2010US7741824 Switching power supply control
06/22/2010US7741823 Linear voltage regulator with improved large transient response
06/22/2010US7741822 DC-DC converter
06/22/2010US7741821 Start-up circuit and method for high voltage power distribution circuit
06/22/2010US7741820 Switching voltage regulator pulse width modulation controller and method
06/22/2010US7741819 Unipolar or bipolar chopping converter with two magnetically coupled windings
06/22/2010US7741818 Voltage regulator including an output unit for converting input voltage into a predetermined voltage and for outputting the converted voltage
06/22/2010US7741817 Circuit for the generation of two symmetrical buses of tension with respect to the negative of the feeding tension
06/22/2010CA2445481C Control system for a cogeneration unit
06/17/2010WO2010068682A2 Low drop-out voltage regulator with wide bandwidth power supply rejection ratio
06/17/2010WO2010068641A1 Improved linearity in led dimmer control
06/17/2010WO2010068640A1 Current ripple reduction circuit for leds
06/17/2010WO2010068568A1 Dimmer control leakage pull down using main power device in flyback converter
06/17/2010WO2010047879A3 System and method for post-exposure dosimetry using electron paramagnetic resonance spectroscopy
06/17/2010US20100153756 Load adaptive power delivery
06/17/2010US20100149015 Fast, efficient reference networks for providing low-impedance reference signals to signal processing systems
06/17/2010US20100148858 Bias circuit
06/17/2010US20100148856 Regulation of Recovery Rates in Charge Pumps
06/17/2010US20100148855 Constant Reference Cell Current Generator For Non-Volatile Memories
06/17/2010US20100148854 Comparator with reduced power consumption
06/17/2010US20100148840 Pulse modulated charge pump circuit
06/17/2010US20100148838 Wide range delay cell
06/17/2010US20100148743 Active filtering device for a power supply
06/17/2010US20100148742 Voltage regulator
06/17/2010US20100148741 Converting circuit and controller for controlling the same
06/17/2010US20100148740 Voltage buck-boost switching regulator
06/17/2010US20100148739 Digital control of power converters
06/17/2010US20100148738 Method for changing an output voltage and circuit therefor
06/17/2010US20100148737 Discontinuous conduction mode pulse-width modulation
06/17/2010US20100148736 Low-dropout linear regulator and corresponding method
06/17/2010US20100148735 Enhanced efficiency low-dropout linear regulator and corresponding method
06/17/2010US20100148733 Reverse Polarity Protection for MOSFETS
06/17/2010US20100148687 Lighting of discharge lamp by frequency control
06/16/2010EP2196887A1 Device for driving a load
06/16/2010EP2195720A1 Capless low drop-out voltage regulator with fast overvoltage response
06/16/2010CN1674421B Control circuit and method for controlling switch power supply by the control circuit
06/16/2010CN1630444B Light source control system
06/16/2010CN1542581B Pre-emptive power supply control system and method
06/16/2010CN1538806B Direct current power supply unit with high reliability
06/16/2010CN101743685A Delivery of electric power by means of a plurality of parallel inverters and control method based on maximum power point tracking
06/16/2010CN101743526A A current mode boost converter using slope compensation
06/16/2010CN101743521A Closed-loop control method and closed-loop control device with multi-channel feedback
06/16/2010CN101742761A Power regulation controller and method thereof
06/16/2010CN101742757A Light-dimmer and addressing method thereof
06/16/2010CN101742756A Switching converter capable of feeding back light intensity signal and light-emitting device using same
06/16/2010CN101742751A LED drive circuit of step-down converter
06/16/2010CN101741265A Control device of AC/DC converter
06/16/2010CN101739966A Voltage stabilizing circuit and display using same
06/16/2010CN101739054A Active current limiting circuit and power supply regulator using same
06/16/2010CN101739053A Power supply regulator with active foldback current limiting circuit
06/16/2010CN101739052A Current reference source irrelevant to power supply
06/16/2010CN101739051A Dynamic resistance-capacitance compensating device for bipolar low-pressure difference linear voltage regulator
06/16/2010CN101739050A Low dropout (ldo) voltage regulator and method therefor
06/16/2010CN101739049A Stabilized voltage power supply for cassette player
06/16/2010CN101736315A Off-line detection device for radio frequency generator
06/16/2010CN101317048B Portable tempering container
06/16/2010CN101221199B Equipotential high-tension electric energy measuring apparatus of authigenic power supply
06/16/2010CN101208644B Voltage sag generator device
06/16/2010CN101118779B Electrical resistance bias canceling circuit and electrical resistance compensation process using same
06/15/2010US7737819 Theatrical lighting control network
06/15/2010US7737771 Semiconductor integrated circuit
06/15/2010US7737770 Power switches having positive-channel high dielectric constant insulated gate field effect transistors
06/15/2010US7737769 OPAMP-less bandgap voltage reference with high PSRR and low voltage in CMOS process
06/15/2010US7737768 Internal voltage generator
06/15/2010US7737767 Control circuit and control method for charge pump circuit
06/15/2010US7737765 Fast start charge pump for voltage regulators
06/15/2010US7737764 Circuit arrangement having a changeover apparatus and method for operating a circuit arrangement
06/15/2010US7737673 Controlling a voltage regulator
06/15/2010US7737672 Semiconductor circuit and switching power supply apparatus
06/15/2010US7737671 System and method for implementing high-resolution delay
06/15/2010US7737670 Power converter with improved efficiency
06/15/2010US7737669 Hierarchical control for an integrated voltage regulator
06/15/2010US7737668 Buck-boost switching regulator
06/15/2010US7737667 3-phase electronic tap changer commutation and device
06/15/2010US7737666 Split gate drive scheme to improve reliable voltage operation range
06/15/2010US7737644 Backlight control circuit with feedback circuit
06/10/2010WO2010065493A1 Digital charge-mode control of a power supply
06/10/2010WO2010065052A1 High-resolution infrared imaging for enhanced detection, diagnosis, and treatment of cutaneous lesions
06/10/2010US20100142293 Boosting voltage generating circuit, negative voltage generating circuit, step-down voltage generating circuit, and semiconductor device
06/10/2010US20100141334 Bias circuit scheme for improved reliability in high voltage supply with low voltage device
06/10/2010US20100141332 Internal voltage generator of semiconductor device
06/10/2010US20100141230 Self-tuning sensorless digital current-mode controller with accurate current sharing for multiphase dc-dc converters
06/10/2010US20100141229 Semiconductor Device
06/10/2010US20100141228 Power Converter with Power Switch Operable in Controlled Current Mode
06/10/2010US20100141227 Step-down converter and power supply
06/10/2010US20100141226 Switching power circuit and power supply method
06/10/2010US20100141225 Active pulse positioning modulator
06/10/2010US20100141224 Digital charge-mode control of a power supply
06/10/2010US20100141223 Low drop-out voltage regulator with wide bandwidth power supply rejection ratio
06/10/2010US20100141222 Load transient sensing circuit for a power converter
06/10/2010US20100141221 Delivered energy compensation during plasma processing
06/10/2010US20100141150 Ballast protecting device
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