| 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) |
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| 05/29/2007 | US7224380 Light-emitting device driver and image forming apparatus |
| 05/29/2007 | US7224286 Solar panel having visual indicator |
| 05/29/2007 | US7224211 Midpoint potential generating circuit for use in a semiconductor device |
| 05/29/2007 | US7224210 Voltage reference generator circuit subtracting CTAT current from PTAT current |
| 05/29/2007 | US7224209 Speed-up circuit for initiation of proportional to absolute temperature biasing circuits |
| 05/29/2007 | US7224208 Voltage regulator which outputs a predetermined direct-current voltage with its extreme variation restrained |
| 05/29/2007 | US7224207 Charge pump system with smooth voltage output |
| 05/29/2007 | US7224206 Charge-pump with improved biasing of the body regions of the pass-transistors |
| 05/29/2007 | US7224156 Voltage regulator for use in portable applications |
| 05/29/2007 | US7224155 Method and apparatus for current limitation in voltage regulators |
| 05/29/2007 | US7224153 Apparatus and method to compensate for effects of load capacitance on power regulator |
| 05/29/2007 | US7224152 DC-DC converter and control circuit for DC-DC converter |
| 05/29/2007 | US7224151 Fixed phase power controller with analog trigger |
| 05/29/2007 | US7224150 Redundancy circuit for series-connected diodes |
| 05/29/2007 | US7224149 Current resonance type DC/DC converter capable of decreasing losses on no-load and a light load |
| 05/29/2007 | US7224130 Method of operating a lamp containing a fixed phase power controller |
| 05/29/2007 | US7222494 Adaptive intelligent circulation control methods and systems |
| 05/24/2007 | WO2007059450A2 Buck dc to dc converter and method |
| 05/24/2007 | WO2007059440A2 Non-linear pwm controller for dc-to-dc converters |
| 05/24/2007 | WO2007058088A1 Semiconductor integrated circuit |
| 05/24/2007 | WO2007057725A1 Device and method for compensating for voltage drops |
| 05/24/2007 | WO2007037142A9 Semiconductor device |
| 05/24/2007 | US20070115697 Method of controlling DC-to-DC converter whereby switching control sequence applied to switching elements suppresses voltage surges at timings of switch-off of switching elements |
| 05/24/2007 | US20070115045 Constant voltage circuit |
| 05/24/2007 | US20070115044 Charge pump for intermediate voltage |
| 05/24/2007 | US20070115043 Current control technique |
| 05/24/2007 | US20070114986 Switching regulator |
| 05/24/2007 | US20070114985 Non-linear pwm controller for dc-to-dc converters |
| 05/24/2007 | US20070114984 Register with default control and built-in level shifter |
| 05/24/2007 | US20070114983 Switching regulator with hysteretic mode control using zero-ESR output capacitors |
| 05/24/2007 | US20070114982 Constant-voltage power circuit with fold back current limiting capability |
| 05/24/2007 | US20070114981 Switching power supply system with pre-regulator for circuit or personnel protection devices |
| 05/24/2007 | US20070114980 Autonomous switching transformer |
| 05/24/2007 | US20070114979 Power converter employing a tapped inductor and integrated magnetics and method of operating the same |
| 05/24/2007 | US20070114978 System for transmission of electric power |
| 05/24/2007 | DE102006050313A1 Spannungspuffer-Schaltkreis Voltage buffer circuit |
| 05/24/2007 | DE102004010394B4 Strom-Controller für induktive Last Current controller for inductive load |
| 05/23/2007 | EP1787182A2 Direct amplitude modulation for switch power supplies |
| 05/23/2007 | CN2904426Y Intelligent controller of solar automobile sky-light power supply |
| 05/23/2007 | CN2904068Y 线性电压调节器 Linear Voltage Regulators |
| 05/23/2007 | CN1969244A Constant-voltage power supply circuit with fold-back-type overcurrent protection circuit |
| 05/23/2007 | CN1968011A Transistor drive circuit, constant voltage circuit, and method thereof using a plurality of error amplifying circuits to effectively drive a power transistor |
| 05/23/2007 | CN1967994A Two-way AC chopper |
| 05/23/2007 | CN1967993A Double buck/boost two-way AC chopper |
| 05/23/2007 | CN1967990A Variable DC voltage source |
| 05/23/2007 | CN1317803C Noncontact power supply facility and branch box for use therein |
| 05/22/2007 | US7221213 Voltage regulator with prevention from overvoltage at load transients |
| 05/22/2007 | US7221212 Trimming functional parameters in integrated circuits |
| 05/22/2007 | US7221135 Method for regulating the time constant matching in DC/DC converters |
| 05/22/2007 | US7221134 Apparatus and method for flywheel current injection for a regulator |
| 05/22/2007 | US7221133 Hybrid digital-analog switched power supply |
| 05/22/2007 | US7221132 Power supply circuit |
| 05/22/2007 | US7221131 Control circuit for DC-DC converter in semiconductor integrated circuit device |
| 05/22/2007 | US7221130 Switching power converter employing pulse frequency modulation control |
| 05/22/2007 | US7221129 Switching regulator and method for changing output voltages thereof |
| 05/22/2007 | US7221128 Converter with start-up circuit |
| 05/22/2007 | US7221106 Cordset based appliance controller |
| 05/22/2007 | CA2507731C Controller for power converter |
| 05/22/2007 | CA2358916C Transformerless power supply, dual positive or dual negative supplies |
| 05/18/2007 | WO2007056165A2 Signal-to-noise improvement for power loss minimizing dead time |
| 05/18/2007 | WO2007056040A2 Remote control of lighting |
| 05/18/2007 | WO2007035110A9 Autotransformer device with magnetic air gap |
| 05/18/2007 | WO2006116576A3 Led current bias control using a step down regulator |
| 05/18/2007 | WO2006013557A3 Method and control circuitry for improved-performance switch-mode converters |
| 05/18/2007 | WO2005072493A3 Cmos constant voltage generator |
| 05/18/2007 | CA2627609A1 Remote control of lighting |
| 05/17/2007 | US20070111045 Fuel cell power generating system, method for controlling fuel cell power generation, and fuel cell power generating apparatus |
| 05/17/2007 | US20070109699 Semiconductor integrated circuit |
| 05/17/2007 | US20070109040 Stacked CMOS current mirror using MOSFETs having different threshold voltages |
| 05/17/2007 | US20070109039 Reference circuit capable of supplying low voltage precisely |
| 05/17/2007 | US20070109038 Bias voltage generating circuit |
| 05/17/2007 | US20070109037 Bandgap reference circuits |
| 05/17/2007 | US20070109036 Semiconductor integrated circuit with reduced current consumption |
| 05/17/2007 | US20070109035 Charge pump |
| 05/17/2007 | US20070108956 System and method for charging and discharging a superconducting coil |
| 05/17/2007 | US20070108955 Method and apparatus to reduce maximum power from a power supply with transition region regulation |
| 05/17/2007 | US20070108954 Compensation offset adjustment scheme for fast reference voltage transitioning |
| 05/17/2007 | US20070108953 Non-linear controller for switching power supply |
| 05/17/2007 | US20070108952 Control device for a switching converter and related switching converter |
| 05/17/2007 | US20070108951 Power converter using extrapolative conductance mode control |
| 05/17/2007 | US20070108950 Regulator circuit |
| 05/17/2007 | US20070108949 Constant voltage generating apparatus with simple overcurrent/short-circuit protection circuit |
| 05/17/2007 | US20070108948 Buck dc to dc converter and method |
| 05/17/2007 | US20070108947 Switching regulator slope compensation generator circuit |
| 05/17/2007 | US20070108943 Charger and dc-dc converter |
| 05/16/2007 | EP1785800A1 Ventilation control |
| 05/16/2007 | CN2901660Y Digital control circuit modularization of high voltage reactive power compensator |
| 05/16/2007 | CN2901658Y 节电器 Saver |
| 05/16/2007 | CN1965277A On-chip power supply interface with load-independent current demand |
| 05/16/2007 | CN1965276A Device for regulating electrical voltage |
| 05/15/2007 | US7219244 Control circuitry for power gating virtual power supply rails at differing voltage potentials |
| 05/15/2007 | US7218537 In-rush current limiter |
| 05/15/2007 | US7218531 Switching regulator with reduced conducted emissions |
| 05/15/2007 | US7218204 Contactless IC card |
| 05/15/2007 | US7218169 Reference compensation circuit |
| 05/15/2007 | US7218168 Linear voltage regulator with dynamically selectable drivers |
| 05/15/2007 | US7218167 Electric reference voltage generating device of improved accuracy and corresponding electronic integrated circuit |
| 05/15/2007 | US7218166 Current stabilization circuit, current stabilization method, and solid-state imaging apparatus |
| 05/15/2007 | US7218165 Boost circuit |
| 05/15/2007 | US7218088 Control circuit of DC-DC converter and control method thereof |