| 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) |
|---|
| 10/05/2011 | CN202004494U Solar maximum power point tracking (MPPT) charging device |
| 10/05/2011 | CN202003791U Digital standard magnetic field generator |
| 10/05/2011 | CN202003254U Surge-resistant constant voltage source |
| 10/05/2011 | CN202003253U Voltage multiplying circuit for CMOS (Complementary Metal Oxide Semiconductor) circuit |
| 10/05/2011 | CN102210092A Three-phase AC power controller |
| 10/05/2011 | CN102207741A Low noise bandgap references |
| 10/05/2011 | CN102207740A Isolated multipath 4-20mA-current signal output circuit |
| 10/05/2011 | CN101097454B Voltage regulator |
| 10/04/2011 | US8032233 Method and apparatus for actively managing consumption of electric power supplied by an electric utility |
| 10/04/2011 | US8031497 Three-leg power converter apparatus |
| 10/04/2011 | US8030990 Measuring instrument in two-conductor technology |
| 10/04/2011 | US8030989 Internal voltage generation circuit |
| 10/04/2011 | US8030988 Method for generating multiple incremental output voltages using a single charge pump chain |
| 10/04/2011 | US8030911 Hybrid control circuit and method |
| 10/04/2011 | US8030910 DC-DC converter |
| 10/04/2011 | US8030909 Method and apparatus for switching a synchronous DC/DC converter between a PWM mode of operation and a light-load mode of operation |
| 10/04/2011 | US8030908 Control method for multi-phase DC-DC controller and multi-phase DC-DC controller |
| 10/04/2011 | US8030907 Accelerated response to load transients in PFM DC-to-DC converters |
| 10/04/2011 | US8030906 Switching power source apparatus and control method thereof |
| 10/04/2011 | US8030855 Single-stage electronic ballast for a fluorescent lamp |
| 10/04/2011 | CA2483261C Pwm controller with automatic low battery power reduction circuit and lighting device incorporating the controller |
| 09/29/2011 | WO2011119587A2 Systems and methods for detecting and correcting a suboptimal operation of one or more inverters in a multi-inverter system |
| 09/29/2011 | WO2011119355A2 Voltage regulator bypass resistance control |
| 09/29/2011 | US20110235457 Semicondcutor integrated circuit device |
| 09/29/2011 | US20110234856 Semiconductor device and control method of the same |
| 09/29/2011 | US20110234652 Charge pump, a method for controlling the same, and a display driving system comprising the charge pump |
| 09/29/2011 | US20110234309 Internal power supply voltage generation circuit |
| 09/29/2011 | US20110234308 Bias generator providing for low power, self-biased delay element and delay line |
| 09/29/2011 | US20110234306 Booster circuit |
| 09/29/2011 | US20110234255 Fault detection circuits for switched mode power supplies and related methods of operation |
| 09/29/2011 | US20110234198 Differential Reference Voltage Generator |
| 09/29/2011 | US20110234191 Switch control device, multi-channel converter including the same, and switch controlling method |
| 09/29/2011 | US20110234190 Method and systems for conduction mode control |
| 09/29/2011 | US20110234189 Current control device for electric load |
| 09/29/2011 | US20110234188 Buck Converter with Internal Ripple Compensation |
| 09/29/2011 | US20110234187 Voltage Regulator Bypass Resistance Control |
| 09/29/2011 | US20110234186 High voltage power supply |
| 09/29/2011 | US20110234185 Semiconductor-device driving circuit, and semiconductor apparatus including driving circuit |
| 09/29/2011 | US20110234184 Start-up in-rush current protection circuit for dcdc converter |
| 09/29/2011 | US20110234183 Power supply circuit and dynamic switch voltage control |
| 09/29/2011 | US20110234182 Modulated supply stage with feedback to switched supply |
| 09/29/2011 | US20110234172 Voltage converting apparatus |
| 09/29/2011 | US20110234123 Dynamic Loading of Power Supplies |
| 09/29/2011 | US20110234001 Drive circuit, light print head, and image forming apparatus |
| 09/29/2011 | DE102010016157A1 Method for operating electrical consumer i.e. backlit display, of control device of building installation device, involves reducing input voltage of consumer against nominal output voltage of switching network part in stand-by-mode |
| 09/29/2011 | DE102010012311A1 Steuerschaltung für ein elektronisches Haushaltsgerät A control circuit for an electronic domestic appliance |
| 09/29/2011 | DE102008008831B4 Strombegrenzte Spannungsquelle mit weitem Eingangsstrombereich Current-limited voltage source with wide input current range |
| 09/28/2011 | EP2369744A1 Remote power controller with parallel FETs |
| 09/28/2011 | EP2369437A2 Photovoltaic power generation system |
| 09/28/2011 | EP2368313A1 High current voltage regulator |
| 09/28/2011 | EP2368159A1 Digital control device for a parallel pmos transistor board |
| 09/28/2011 | CN201993666U 自动电压调节器 Automatic Voltage Regulator |
| 09/28/2011 | CN201993665U 带补偿电路的开关电源反馈电路 Switching power supply feedback circuit with a compensation circuit |
| 09/28/2011 | CN102203897A System and method for energy optimisation in photovoltaic generators |
| 09/28/2011 | CN102203690A Current ripple reduction circuit for leds |
| 09/28/2011 | CN102203689A Methods and systems for maintaining the illumination intensity of light emittiing diodes |
| 09/28/2011 | CN102200793A Maximum power point detection tracking method and circuit of power generating device |
| 09/28/2011 | CN102200792A Constant voltage circuit, comparator and voltage supervision circuit equipped therewith |
| 09/28/2011 | CN102200791A Low dropout linear regulator structure |
| 09/28/2011 | CN102200790A Differential reference voltage generator |
| 09/28/2011 | CN101529358B Method for reducing oscillations in system with foldback current limit when inductive load is connected |
| 09/28/2011 | CN101109971B 电压调节器 Voltage Regulator |
| 09/28/2011 | CN101101491B Power supply circuit |
| 09/27/2011 | US8027180 Power generating apparatus |
| 09/27/2011 | US8026756 Bandgap voltage reference circuit |
| 09/27/2011 | US8026755 Signal output apparatus, charge pump, voltage doubler and method for outputting current |
| 09/27/2011 | US8026708 Voltage regulator |
| 09/27/2011 | US8026707 Circuit system and method for reducing an in-rush current |
| 09/27/2011 | US8026706 Adaptive controller with mode tracking and parametric estimation for digital power converters |
| 09/27/2011 | US8026705 Bootstrap circuit and bulk circuit thereof |
| 09/27/2011 | US8026704 System and method for controlling a converter |
| 09/27/2011 | US8026703 Voltage regulator and method having reduced wakeup-time and increased power efficiency |
| 09/27/2011 | US8026702 Voltage regulator system |
| 09/27/2011 | US8026701 Voltage regulator for a synchronous clock system to reduce clock tree jitter |
| 09/27/2011 | US8026700 DC to DC converter having switch control and method of operation |
| 09/27/2011 | US8026676 Dimming control circuit |
| 09/27/2011 | US8026673 Methods and apparatus for simulating resistive loads |
| 09/27/2011 | US8026672 Light emitting device |
| 09/22/2011 | WO2011115827A2 Method and system delivering a controlled voltage |
| 09/22/2011 | WO2011114416A1 Power supply voltage determination method for semiconductor integrated circuit and power supply voltage control system for semiconductor integrated circuit |
| 09/22/2011 | WO2011114025A2 Compression garments impregnated with a mineral material emitting in the far infrared range |
| 09/22/2011 | US20110228578 Non-isolated dc-dc converter for solar power plant |
| 09/22/2011 | US20110227637 Method and Apparatus Improving Gate Oxide Reliability by Controlling Accumulated Charge |
| 09/22/2011 | US20110227636 Reference voltage circuit and semiconductor integrated circuit |
| 09/22/2011 | US20110227635 Voltage divider circuit and semiconductor device |
| 09/22/2011 | US20110227634 Semiconductor circuit device |
| 09/22/2011 | US20110227550 Modulation scheme using a single comparator for constant frequency buck boost converter |
| 09/22/2011 | US20110227549 Dc/dc converter including ultrasonic feature for use with low quiescent currents |
| 09/22/2011 | US20110227548 Power supply apparatus |
| 09/22/2011 | US20110227547 Sensing capacitor for constant on-time and constant off-time switching regulators |
| 09/22/2011 | US20110227546 Dc-dc converter |
| 09/22/2011 | US20110227542 Charge control device and load driving device |
| 09/22/2011 | DE102011005716A1 Stromversorgungs-Schaltkreis Current supply circuit |
| 09/21/2011 | CN201985549U Multi-input and multi-level photovoltaic inverter |
| 09/21/2011 | CN201985507U 一种pfc输出电压过高保护电路 One kind of high output voltage protection circuit pfc |
| 09/21/2011 | CN201984369U 补偿型继电器式稳压器 Compensation relay regulator |
| 09/21/2011 | CN201984368U 汽车点火锁电磁阀控制器 Automotive ignition lock solenoid valve controller |
| 09/21/2011 | CN201984367U 一种自动调整镜头驱动电压的电路 An automatic adjustment of the lens drive voltage circuit |
| 09/21/2011 | CN201984366U 无触点交流稳压器 Non-contact AC voltage regulator |
| 09/21/2011 | CN201984365U 自耦式无触点交流稳压器 Auto-type non-contact AC voltage regulator |