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)
10/2008
10/02/2008DE102008013758A1 Mehrmodusspannungsversorgungsschaltung Multi-mode power supply circuit
10/02/2008DE102007022034A1 Electronic circuit i.e. pulse width-modulated controller, monitoring circuit i.e. local interconnect network-transceiver, has capacitor, and electronic circuit including microcontroller supplied with logic operating voltage
10/01/2008EP1975759A1 Surge protected power supply
10/01/2008EP1974247A1 Sensing an operating state of a system
10/01/2008CN201127006Y Power supply circuit and electronic equipment
10/01/2008CN201127005Y Microcomputer-control silicon-controlled voltage-regulating DC high voltage constant power supply
10/01/2008CN101278249A Method and device for controlling of a magnetic flux
10/01/2008CN101278248A Semiconductor integrated circuit having current leakage reduction scheme
10/01/2008CN101277070A Switch type power converter and control circuit for pulse-width modulation
10/01/2008CN100423434C Power supply input controller of ultrasonic Doppler switch
10/01/2008CN100423432C Power supply device cable of producing state information
10/01/2008CN100423428C Integrative power supply for short pulse heavy current laser drive
10/01/2008CN100423425C Multiple-output power device, and mobile device using the same
10/01/2008CN100423400C Low ripple high reliable high-capacity capacitance voltage stabilizing charging circuit
10/01/2008CN100423288C Exciting controllable silicon rectifying bridge outputting method with intelligent control
10/01/2008CN100423134C Internal power supply voltage controller with two standard voltage generation circuit
10/01/2008CN100422899C Regulating apparatus of output voltage
10/01/2008CN100422898C Circuit system for generating a reference current and oscillator circuit comprising said circuit system
10/01/2008CN100422897C Synchronization of multiphase synthetic ripple voltage regulator
10/01/2008CN100422030C Protective circuit of electronic device for bicycle use
09/2008
09/30/2008US7430133 Apparatus and method for switch connected as a diode in a charge pump
09/30/2008US7429911 Power source control device for electronic device
09/30/2008US7429888 Temperature compensation for floating gate circuits
09/30/2008US7429883 Oscillator configured to complete an output pulse after inactivation
09/30/2008US7429852 Constant voltage circuit capable of quickly responding to a sudden change of load current
09/30/2008US7429851 Constant voltage power supply circuit
09/30/2008US7429850 Bias voltage converter
09/30/2008US7429834 Multi-lamp driver with active current regulator
09/25/2008WO2008116009A1 Emission control in aged active matrix oled display using voltage ratio or current ratio
09/25/2008WO2008115155A1 Method for regulating supply voltage
09/25/2008WO2008114416A1 Power supply voltage regulator, recording medium and power supply voltage regulating method
09/25/2008US20080231350 Internal voltage generating circuit for use in a semiconductor device
09/25/2008US20080231349 Semiconductor integrated circuit and semiconductor apparatus integrally having semiconductor integrated circuit
09/25/2008US20080231348 Circuit for fixing peak current of an inductor and method thereof
09/25/2008US20080231346 Charge pump circuit with dynamic curent biasing for phase locked loop
09/25/2008US20080231342 Programmable calibration circuit for power supply current sensing and droop loss compensation
09/25/2008US20080231247 Semiconductor device
09/25/2008US20080231246 Current Detection Circuit, Load Drive Circuit, and Memory Storage
09/25/2008US20080231245 Current Source and Control Device
09/25/2008US20080231244 Dc-dc converter
09/25/2008US20080231243 Load independent voltage regulator
09/25/2008US20080231242 Multi-Mode Voltage Supply Circuit
09/25/2008US20080231209 Power supply device, and led device and electronic device using same
09/25/2008CA2677406A1 Power supply
09/24/2008CN201122902Y Power adapter of vehicle mounted equipment
09/24/2008CN101273318A Current mode control with feed-forward for power devices
09/24/2008CN101272098A Twin-triode current control type self-oscillation flyback converter
09/24/2008CN101272095A Electric voltage stabilization method, pulse frequency modulation circuit and power supplier
09/24/2008CN101272093A Method and circuit for reducing switch concussion of switch type power supplier
09/24/2008CN101271345A Plasma ignition high power switch power source
09/24/2008CN101271344A High-power supply noise restraint low-voltage difference voltage regulator
09/24/2008CN101271343A Power supply device, and LED device and electronic device using same
09/24/2008CN101271342A Voltage-stabilizing circuit of multi-power system
09/24/2008CN101271341A Control circuit and method for fixing peak point current of inductor
09/24/2008CN100421339C Control method and control circuit for switching phase-shift full-bridge and PWM full-bridge in converter
09/24/2008CN100421045C Voltage regulator with self-compensation, booster circuit and related method of regulating voltage
09/24/2008CN100421044C Shunting device and method
09/23/2008US7427892 Current source circuit and method of outputting current
09/23/2008US7427891 Charge pump-type booster circuit
09/23/2008US7427890 Charge pump regulator with multiple control options
09/23/2008US7427889 Voltage regulator outputting positive and negative voltages with the same offsets
09/23/2008US7427888 Charge pump circuit operating responsive to a mode
09/23/2008US7427853 Soft-start circuit for a DC-to-DC converter
09/23/2008US7427852 Low power control mode for power supply
09/23/2008US7427840 Methods and apparatus for controlling illumination
09/18/2008US20080228327 Solar cell outdoor control system
09/18/2008US20080224776 Common-mode voltage controller
09/18/2008US20080224759 Low noise voltage reference circuit
09/18/2008US20080224746 Charge Pump Circuit
09/18/2008US20080224681 Controller for a DC to DC Converter
09/18/2008US20080224680 Voltage regulator
09/18/2008US20080224679 Regulator With Improved Load Regulation
09/18/2008US20080224678 Switching power supply controller with high frequency current balance
09/18/2008US20080224677 Dead time trimming in a co-package device
09/18/2008US20080224676 Voltage Clamp Circuit, a Switching Power Supply Device, a Semiconductor Integrated Circuit Device, and a Voltage Level Conversion Circuit
09/18/2008US20080224675 Voltage regulator and voltage regulation method
09/18/2008US20080224674 Dc-dc converter and power supply system
09/18/2008US20080224673 Circuit for starting up a synchronous step-up DC/DC converter and the method thereof
09/18/2008US20080224672 DC/DC converter controlled by pulse width modulation with high efficiency for low output current
09/18/2008US20080224636 Power control system for current regulated light sources
09/18/2008US20080224627 Regulated Charge Pump and Method Therefor
09/18/2008DE112006002904T5 Spitzenwertauswahlschaltung für eine mehrphasige Strombetriebsartensteuerung Peak selection circuit for a polyphase current mode control
09/17/2008EP1969691A1 Load detector for a dimmer
09/17/2008CN201119077Y Lighting power-saving automatic control device
09/17/2008CN201118466Y Power architecture with voltage power adjustment
09/17/2008CN201118446Y Zero-voltage resonance half-bridge switch voltage regulating power supply
09/17/2008CN201118443Y DC-DC converter for electric car
09/17/2008CN201118442Y A low-voltage power circuit
09/17/2008CN201118251Y Direct drive type permanent magnetism synchronous wind power generator paralleling and power regulation system
09/17/2008CN201118247Y Intelligent reactive controller
09/17/2008CN201118093Y Tunable laser automatic control device based on lock wave
09/17/2008CN201117719Y Voltage-stabilizing device for fuel cell
09/17/2008CN101267098A Quick low voltage difference current limiting circuit
09/17/2008CN101266505A Voltage regulator and voltage regulation method
09/17/2008CN101266504A Low heat dissipation I/O module using direct drive buck converter
09/17/2008CN101266503A Temperature controller based on energy supply chip
09/17/2008CN100420132C Enabling circuit for avoiding negative voltage transients and battery recharging system
09/17/2008CN100419614C Multichannel pulsewave width modulating converter with balanced current
09/17/2008CN100419613C Constant voltage supply circuit, substrate of constant voltage supply circuit, and method of applying constant voltage
09/17/2008CN100419612C Constant-current source device for differential outputting