| 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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| 12/29/2009 | US7638987 Method and apparatus for power supplying capable of effectively eliminating overshoot voltage |
| 12/29/2009 | US7638986 Control system for static VAR compensator |
| 12/29/2009 | US7638966 Voltage control and power factor correction in AC induction motors |
| 12/29/2009 | US7638956 Method of calibrating monochromatic light beams outputted by light emitting diodes and related light emitting diode control system |
| 12/29/2009 | US7638954 Light emitting diode drive apparatus |
| 12/29/2009 | US7638744 System and method for stabilizing wavelength of LED radiation in backlight module |
| 12/29/2009 | US7637723 Cavitation detection device and method |
| 12/24/2009 | US20090315617 Method and Algorithm of High Precision On-Chip Global Biasing Using Integrated Resistor Calibration Circuits |
| 12/24/2009 | US20090315616 Clock Generator Circuit for a Charge Pump |
| 12/24/2009 | US20090315599 Circuit with a regulated charge pump |
| 12/24/2009 | US20090315530 Pulse controlled soft start scheme for buck converter |
| 12/24/2009 | US20090315529 Sawtooth wave generating circuit and switch mode power supply device having the same |
| 12/24/2009 | US20090315528 Internal supply voltage generator capable of reducing latch-up and semiconductor device having the same |
| 12/24/2009 | US20090315527 Output current detection of a voltage regulator |
| 12/24/2009 | US20090315526 Voltage regulator device and method thereof |
| 12/24/2009 | US20090315525 Voltage reference device and methods thereof |
| 12/24/2009 | US20090315524 Constant current control circuit |
| 12/24/2009 | US20090315523 Dc-dc converter |
| 12/24/2009 | DE102008029113A1 Power sequence control circuit for use in LCD device, has current limit switching unit conducting to transmit input positive voltage as output positive voltage when control voltage is lower than enabling threshold |
| 12/24/2009 | DE102004052865B4 Verfahren zur Ansteuerung eines Schalters in einem freischwingend betriebenen Schaltwandler und Schaltwandler Method for driving a switch in a swinging freely operated Switching Converters and Switching Converters |
| 12/23/2009 | WO2009154987A2 Method, apparatus and article for detection of transponder tagged objects, for example during surgery |
| 12/23/2009 | WO2009154338A1 Phantom for evaluating the performance of mrsi (magnetic resonance spectroscopy imaging) |
| 12/23/2009 | WO2009153696A1 Harmonic compensation circuit and method for an led light unit |
| 12/23/2009 | WO2009126422A3 Apparatus and methods for non-invasive measurement of a substance within a body |
| 12/23/2009 | WO2009117452A3 Analyte sensor subassembly and methods and apparatuses for inserting an analyte sensor associated with same |
| 12/23/2009 | WO2009107066A3 Reactive power compensation circuit |
| 12/23/2009 | CN201369670Y Graphite furnace power supply with automatic compensation system |
| 12/23/2009 | CN201369573Y Switching controller of condenser bank |
| 12/23/2009 | CN201368996Y Walkman voltage stabilizing supply |
| 12/23/2009 | CN201368995Y PI type current controller circuit for current loop of AC servo drive |
| 12/23/2009 | CN201368248Y Control voltage generating device for proportional valve |
| 12/23/2009 | CN101610630A Drive circuit of fluorescent tube |
| 12/23/2009 | CN101610032A Driving circuit and electronic device using same |
| 12/23/2009 | CN101609710A Sense amplifier circuit and data sensing method thereof |
| 12/23/2009 | CN101609347A Power regulator and power supply switching method |
| 12/23/2009 | CN101609346A Current source circuit |
| 12/23/2009 | CN101609345A Linear voltage regulator |
| 12/23/2009 | CN101609344A CMOS subthreshold high-order temperature compensation bandgap reference circuit |
| 12/23/2009 | CN100574065C Low dropout voltage regulator providing adaptive compensation |
| 12/23/2009 | CN100574062C Method of optimization for power electronic circuit based on ant colony algorithm |
| 12/23/2009 | CN100574047C Semiconductor integrated circuit and non-contact electronic device using the same |
| 12/23/2009 | CN100573646C Reference voltage generating circuit and liquid crystal display device using the same |
| 12/23/2009 | CN100573400C 3-phase solar converter circuit and method |
| 12/23/2009 | CN100573399C Regulator circuit |
| 12/23/2009 | CN100573398C Device for improving power supply load regulation rate |
| 12/23/2009 | CN100573397C DC voltage stabilization device |
| 12/22/2009 | US7636862 Modular server system |
| 12/22/2009 | US7636247 Electronic circuit control element with tap element |
| 12/22/2009 | US7636011 Controller for ORing field effect transistor |
| 12/22/2009 | US7636010 Process independent curvature compensation scheme for bandgap reference |
| 12/22/2009 | US7636009 Bias current generating apparatus with adjustable temperature coefficient |
| 12/22/2009 | US7635970 Method for implementing radiation hardened, power efficient, non isolated low output voltage DC/DC converters with non-radiation hardened components |
| 12/22/2009 | US7635969 Power supply unit and portable device |
| 12/22/2009 | US7635968 Techniques for handling low line voltage Conditions in power supply units |
| 12/22/2009 | US7635957 LED temperature-dependent power supply system and method |
| 12/22/2009 | US7635284 Programmable appliance controller |
| 12/17/2009 | WO2009151946A2 Multi-modal transponder and method and apparatus to detect same |
| 12/17/2009 | WO2009149518A1 Fuel cell stabilisation system and method |
| 12/17/2009 | WO2009120635A3 Diagnostic imaging method |
| 12/17/2009 | WO2009111534A3 Metabolic analyzer transducer |
| 12/17/2009 | US20090312884 Method for power sharing and controlling the status of a display wall |
| 12/17/2009 | US20090310948 Regulating device for regulating the voltage on a high-side load |
| 12/17/2009 | US20090309567 Monitoring and control of power converters |
| 12/17/2009 | US20090309566 DC/DC converter circuit and controller thereof |
| 12/17/2009 | US20090309565 Boost circuit and power supply device |
| 12/17/2009 | US20090309564 Method for controlling a voltage regulator, in particular a converter of the multiphase interleaving type and corresponding controller |
| 12/17/2009 | US20090309563 Reference voltage generating circuit and dc-dc converter including the same |
| 12/17/2009 | US20090309562 Power regulator |
| 12/17/2009 | US20090309561 Dual mode transient recovery control method of dc-dc converters |
| 12/17/2009 | US20090309560 Remote Power Controller with Power Sharing Circuit |
| 12/17/2009 | US20090309559 Automatically configurable dual regulator type circuits and methods |
| 12/17/2009 | US20090309558 Rf adapter for field device with variable voltage drop |
| 12/17/2009 | US20090309557 Control circuit of dc-dc converter, dc-dc converter and control method of dc-dc converter |
| 12/17/2009 | US20090309556 Device-under-test power management |
| 12/17/2009 | CA2727807A1 Fuel cell stabilisation system and method |
| 12/17/2009 | CA2721418A1 Carrier solvent for fingerprint formulations |
| 12/16/2009 | CN201365356Y Thyristor voltage regulator circuit |
| 12/16/2009 | CN201365222Y Secondary precision adjusting circuit of direct current generator output voltage |
| 12/16/2009 | CN201365198Y High-efficient series-parallel LED power supply |
| 12/16/2009 | CN201365125Y High-voltage electricity-saving voltage regulator |
| 12/16/2009 | CN201364515Y Current transformer type power limit controller |
| 12/16/2009 | CN201364514Y Intermittent overflow protection serial voltage regulation circuit |
| 12/16/2009 | CN201364513Y Expandable constant current source device |
| 12/16/2009 | CN201364512Y Novel domestic power-saving device |
| 12/16/2009 | CN201364511Y Multi-path reference voltage regulating circuit |
| 12/16/2009 | CN201364510Y Wireless control high-precision voltage and current supply regulating system in industry |
| 12/16/2009 | CN101606319A Semiconductor integrated circuit device and power supply voltage control system |
| 12/16/2009 | CN101605422A Fluorescent lighting tube driving circuit |
| 12/16/2009 | CN101605416A LED driving circuit and controller thereof |
| 12/16/2009 | CN101605287A Integrated circuit used for providing microphone interface |
| 12/16/2009 | CN101604912A Switching type boost-buck power supplier and control method thereof |
| 12/16/2009 | CN101604174A Voltage regulator |
| 12/16/2009 | CN101604173A Low drop-out regulator |
| 12/16/2009 | CN101604172A Voltage control method based on phase-lock loop of decoupling multi-coordinate system |
| 12/16/2009 | CN101604154A Mainboard of wire feeder |
| 12/16/2009 | CN100570999C Switching control circuit and self-excited DC-DC converter |
| 12/16/2009 | CN100570982C High voltage electric-saver |
| 12/16/2009 | CN100570981C Apparatus and method for operation controlling of multi-electric power usage system |
| 12/16/2009 | CN100570527C Reference voltage generating circuit |
| 12/15/2009 | USRE41037 Adjustable minimum peak inductor current level for burst mode in current-mode DC-DC regulators |