Patents
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)
10/2011
10/19/2011CN102221840A Voltage-stabilizing circuit and operation amplifying circuit
10/19/2011CN101533285B A reference voltage buffer circuit
10/19/2011CN101404199B Electromagnet controller
10/18/2011US8041524 Method of power factor correction
10/18/2011US8040813 Apparatus and method for reduced loading of signal transmission elements
10/18/2011US8040703 Power factor correction controller with feedback reduction
10/18/2011US8040177 Internal voltage generating circuit of semiconductor device
10/18/2011US8040176 Internal voltage generating circuit
10/18/2011US8040175 Supply regulated charge pump system
10/18/2011US8040122 Duty feed forward method and apparatus for modulating a duty of a PWM signal and power converting method and power converter using the same
10/18/2011US8040121 Switching regulator
10/18/2011US8040120 Switching DC-DC converter and oscillator
10/18/2011US8040119 Valley detecting circuit and method for a voltage across a switching device
10/18/2011US8040118 Low-dropout voltage regulator with level limiter limiting level of output voltage when level of load current changes and method of operating the same
10/18/2011US8040117 Closed loop negative feedback system with low frequency modulated gain
10/18/2011US8040116 Automatically configurable dual regulator type circuits and methods
10/18/2011US8040115 Multiple branch alternative element power regulation
10/18/2011US8040114 Method and apparatus to increase efficiency in a power factor correction circuit
10/18/2011US8040092 Power supply topology for a multi-processor controller in an electric traction system
10/18/2011US8040078 LED dimming circuit
10/18/2011US8040077 Starting circuit of starting device for high-pressure discharge lamp including auxiliary light source, starting device including the starting circuit, and lighting system including the starting device
10/18/2011US8040070 Frequency converted dimming signal generation
10/18/2011US8038619 Motor driver for ultrasound system
10/13/2011WO2011127348A2 Dc bias evaluation in an ac coupled circuit via transient gain response
10/13/2011WO2011051943A3 Energy collection system and method
10/13/2011US20110251757 Electronic Circuit Arrangement with one or more semiconductor main relays and use thereof
10/13/2011US20110249492 Semiconductor storage device and boosting circuit
10/13/2011US20110249134 Semiconductor device with conductive trenches to control electric field
10/13/2011US20110248777 Semiconductor chip with voltage adjustable function and manufacture method thereof
10/13/2011US20110248696 Method of forming a power supply controller and structure therefor
10/13/2011US20110248695 Switching mode power supply apparatus and power supply method thereof
10/13/2011US20110248694 Soft switching apparatus, method, and power conversion system
10/13/2011US20110248693 Voltage regulator with control loop for avoiding hard saturation
10/13/2011US20110248692 Turbo circuit for providing voltage regulation and related method
10/13/2011US20110248691 Method Of Starting DC/DC Converter Using Synchronous Freewheeling MOSFET
10/13/2011US20110248690 Power supply circuit for combustion appliance
10/13/2011US20110248689 Phase shedding converter with ripple minimization
10/13/2011US20110248688 Programmable low-dropout regulator and methods therefor
10/13/2011DE102010016406A1 Schaltungsanordnung zum Einschalten einer über Relaiskontakte mit Anschlüssen für ein elektrisches Versorgungsnetz verbindbaren Verbrauchers A circuit arrangement for turning on a relay contacts with connections for an electrical consumer supply network connectable
10/12/2011EP2375542A2 Power tool system
10/12/2011EP2125439B1 Device, system and method for reducing the consumption of closed-circuit current of a motor vehicle
10/12/2011EP2064806B1 Power supply device with power factor correction
10/12/2011EP1766491B1 Output power factor control of pulse-width modulated inverter
10/12/2011DE202010005413U1 Elektromotorischer Möbelantrieb mit einer Netzfreischaltungseinrichtung und entsprechende Netzfreischaltungseinrichtung Electromotive furniture drive with a mains cut-off device and corresponding mains cut-off device
10/12/2011CN202008614U Control system for radio frequency power of etching machine
10/12/2011CN102217086A Photovoltaic device
10/12/2011CN102216867A Low drop out (ldo) bypass voltage regulator
10/12/2011CN102216866A Systems and methods for voltage regulator communication
10/12/2011CN102216865A System for field - programmed determination of illumination set points in ballasts
10/12/2011CN102213967A GPU (Graphics Processing Unit) chip with voltage adjusting function and manufacturing method thereof
10/12/2011CN101727123B Intelligent self-adaption driving stage control system and method of integrated circuit chip
10/12/2011CN101609347B Power regulator and power supply switching method
10/12/2011CN101371210B Power supply for 2-line dimmer
10/12/2011CN101335517B Amplifier
10/12/2011CN101188382B Power supply controller and method therefor
10/11/2011US8036006 Power supply circuit having resistance element changing its resistance value to limit current flowing to capacitive load
10/11/2011US8035939 Tracking and fault communication for DC power supply modules
10/11/2011US8035441 High voltage generator and word line driving high voltage generator of memory device
10/11/2011US8035440 Multistage charge pumps with diode loss compensation
10/11/2011US8035415 Shift register and semiconductor display device
10/11/2011US8035367 Electronic device, detection circuit and voltage control method
10/11/2011US8035366 Driving circuit of load
10/11/2011US8035365 DC converter which has switching control unit to select PWM signal or PFM signal
10/11/2011US8035364 Step-down switching regulator with freewheeling diode
10/11/2011US8035363 Procedure and a switching arrangement for triggering a load element using an electronic switching element in a load circuit
10/11/2011US8035362 Amplifier system with DC-component control
10/11/2011US8035361 Boost device for voltage boosting
10/11/2011US8035360 Soft start unit for a power converting device
10/11/2011US8035358 Binary voltage regulator
10/11/2011US8035319 Voltage sensing apparatus for power regulation and over-voltage protection of discharge lamp and method thereof
10/11/2011US8035317 Optocoupler system with reduced power consumption and pulse width distortion
10/11/2011US8035254 Method and apparatus for integrated cable drop compensation of a power converter
10/11/2011DE202011050897U1 Medizintechnisches Interfacemodul, medizintechnisches System und Verwendung eines Interfacemoduls Medical Technical Interface Module, medical device system and use an interface module
10/11/2011DE202010005409U1 Elektromotorischer Möbelantrieb mit einer Energieversorgungseinrichtung Electromotive furniture drive with a power supply device
10/11/2011DE202010005406U1 Elektromotorischer Möbelantrieb mit einer Energieversorgungseinrichtung Electromotive furniture drive with a power supply device
10/06/2011WO2011122165A1 Solar power system and control system
10/06/2011WO2011121090A1 Voltage regulator
10/06/2011WO2011066402A3 Switched-mode pwm regulator with ramp reset
10/06/2011US20110242926 PSEUDO-INVERTER CIRCUIT ON SeO1
10/06/2011US20110242896 Semiconductor integrated circuit device
10/06/2011US20110242802 Adaptive solar powered system
10/06/2011US20110241769 Internal voltage generator of semiconductor integrated circuit
10/06/2011US20110241768 Semiconductor integrated circuit
10/06/2011US20110241734 Coupling tolerant precision current reference with high psrr
10/06/2011US20110241643 Power control device
10/06/2011US20110241642 Voltage converter
10/06/2011US20110241641 Current Mode Buck Converter with Fixed PWM/PFM Boundary
10/06/2011US20110241640 System and method of intermittent diode braking for multiple phase voltage regulator
10/06/2011US20110241639 Dc-dc converter, and power supply circuit having dc-dc converter
10/06/2011US20110241638 Feedback voltage stabilizing apparatus, method, and power conversion system
10/06/2011US20110241637 Switched capacitor hold-up scheme for constant boost output voltage
10/06/2011US20110241636 Multi-phase non-inverting buck boost voltage converter
10/06/2011US20110241635 Semiconductor integrated circuit and booster circuit including the same
10/06/2011US20110241634 Method and systems for conduction mode control
10/06/2011US20110241633 Switching converter control circuit
10/06/2011US20110241632 Power source apparatus, control circuit, and method of controlling power source apparatus
10/05/2011EP2372887A1 Analog current output circuit
10/05/2011EP2372486A1 Method and arrangement of tracking the maximum power point of a photovoltaic module
10/05/2011EP2372485A1 Voltage regulator
10/05/2011EP1463026B1 Signal line drive circuit and light emitting device