| 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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| 02/28/2008 | US20080048770 Master bias current generating circuit with decreased sensitivity to silicon process variation |
| 02/28/2008 | US20080048769 Balance compensation circuit for multi-power-output voltage |
| 02/28/2008 | US20080048768 Circuit |
| 02/28/2008 | US20080048767 Semiconductor device with surge protection circuit |
| 02/28/2008 | US20080048766 Automatic current trimming method & circuits |
| 02/28/2008 | US20080048765 Power supply circuit and electronic device equipped with same |
| 02/28/2008 | US20080048764 Electronic circuit device |
| 02/28/2008 | US20080048763 Semiconductor device |
| 02/28/2008 | US20080048738 Voltage/current converter circuit and method for providing a ramp current |
| 02/28/2008 | US20080048737 Voltage Generating Circuit, Constant Current Circuit and Light Emitting Diode Driving Circuit |
| 02/28/2008 | US20080048632 High Frequency Power Supply |
| 02/28/2008 | US20080048631 Automatic External Switch Detection In Synchronous Switching Regulator Controller |
| 02/28/2008 | US20080048630 Switching power supply circuit |
| 02/28/2008 | US20080048629 Voltage regulator |
| 02/28/2008 | US20080048628 Voltage converter and a method of using the same |
| 02/28/2008 | US20080048627 Regulator circuit and integrated circuit device |
| 02/28/2008 | US20080048626 Series regulator circuit |
| 02/28/2008 | US20080048625 System and method for interleaving point-of-load regulators |
| 02/28/2008 | US20080048590 Voltage Regulator |
| 02/28/2008 | US20080048498 Power Delivery Control and Balancing Between Multiple Loads |
| 02/28/2008 | DE102007038378A1 Spannungsregler und Spannungsregelungs-Verfahren Voltage regulator and voltage control method |
| 02/28/2008 | CA2661723A1 Bi-polar bi-directional energy-balancing power-conversion engine |
| 02/27/2008 | EP1892784A1 Load controlling device, load controlling method, load controlling circuit, load controlling program, and computer-readable recording medium where load controlling program is recorded |
| 02/27/2008 | EP1892601A2 Method for operating an electric device |
| 02/27/2008 | EP1892600A1 Voltage regulator for non-volatile memories implemented with low-voltage transistors |
| 02/27/2008 | CN201029205Y Digital low-voltage compensating device |
| 02/27/2008 | CN101133374A Direct current power supply device |
| 02/27/2008 | CN101132162A Motor control device and control method thereof |
| 02/27/2008 | CN101132161A Motor controller and control method thereof |
| 02/27/2008 | CN101132153A Multifunctional power supply |
| 02/27/2008 | CN101132149A Multiple voltage regulating circuit |
| 02/27/2008 | CN101132115A High power laser diode driver |
| 02/27/2008 | CN101131591A Constant AC supplying device and method thereof |
| 02/27/2008 | CN100372224C Mobile communication terminal with vibrating motor mounted under antenna |
| 02/27/2008 | CN100372209C Method for making operation of load in spare mode (peak-reduced power mode) |
| 02/27/2008 | CN100371844C Parallel cross operation method of critical continuous conducting mode power factor corrector |
| 02/27/2008 | CN100371843C Maximum power tracking control device |
| 02/26/2008 | US7336514 Electrical power conservation apparatus and method |
| 02/26/2008 | US7336507 Power supply outputting multiple voltages |
| 02/26/2008 | US7336122 Low power high side current monitor which operates at high voltages and method therefor |
| 02/26/2008 | US7336121 Negative voltage generator for a semiconductor memory device |
| 02/26/2008 | US7336108 Semiconductor integrated circuit with stepped-up voltage pump circuit |
| 02/26/2008 | US7336059 System and method for charging and discharging a superconducting coil |
| 02/26/2008 | US7336058 Multistage low dropout voltage regulation |
| 02/26/2008 | US7336057 DC/DC converter |
| 02/26/2008 | US7336056 Switching power converter that supports both a boost mode of operation and a buck mode of operation using a common duty-cycle timing signal |
| 02/21/2008 | WO2008021521A2 Power converter with hysteretic control |
| 02/21/2008 | WO2008021198A2 Improved control circuit for multi-phase converter |
| 02/21/2008 | WO2008020808A1 Signal generation unit and method to generate a data signal in a control unit of a power system device |
| 02/21/2008 | WO2008020750A1 Controlled electric voltage transformer, method for adjusting the transformation ratio, and device for switching outlets |
| 02/21/2008 | US20080042741 Light emitting device and current mirror thereof |
| 02/21/2008 | US20080042740 Linear-in-decibel current generators |
| 02/21/2008 | US20080042739 Bias generator with feedback control |
| 02/21/2008 | US20080042738 Internal voltage generator for use in semiconductor device |
| 02/21/2008 | US20080042737 Band-gap reference voltage generator |
| 02/21/2008 | US20080042736 Temperature dependent internal voltage generator |
| 02/21/2008 | US20080042735 Signal-level detecting apparatus, optical receiver, and signal-level detecting method |
| 02/21/2008 | US20080042734 Voltage-controlled Current Source and Frequency Scanner Using the Same |
| 02/21/2008 | US20080042733 High-voltage pump switching circuit including ramp and discharge |
| 02/21/2008 | US20080042732 Constant ratio current source |
| 02/21/2008 | US20080042730 Internal voltage generating circuit and method for generating internal voltage using the same |
| 02/21/2008 | US20080042729 Mode transition control method and circuit for a charge pump |
| 02/21/2008 | US20080042728 Step-up voltage generator for semiconductor memory and method for controlling the same |
| 02/21/2008 | US20080042727 Device for limiting the capacitance charging current, charge pump arrangement, method for limiting a charging current at a charge pump and method for limiting the charging current at a capacitor |
| 02/21/2008 | US20080042633 Power converter with hysteretic control |
| 02/21/2008 | US20080042632 Self tracking adc for digital power supply control systems |
| 02/21/2008 | US20080042631 Switching power supply |
| 02/21/2008 | US20080042630 Power supply device and projection apparatus using the same |
| 02/21/2008 | US20080042629 Current source |
| 02/21/2008 | US20080042628 Method for driving voltage-controlled devices or current-controlled devices |
| 02/21/2008 | US20080042627 Voltage feedback circuit for liquid crystal display backlight inverter |
| 02/21/2008 | US20080042599 Ripple compensation method and apparatus |
| 02/21/2008 | DE102006038158A1 Voltage supply device for use in mobile communication device, has switch regulator with input coupled with voltage input, and voltage regulator coupled with output of switch regulator, where voltage regulator is coupled with voltage output |
| 02/20/2008 | EP1890214A1 Signal generation unit and method to generate a data signal in a control unit of a power system device |
| 02/20/2008 | EP1889135A2 Method and control circuitry for providing average current mode control in a power converter and an active power filter |
| 02/20/2008 | EP1889134A2 Output level voltage regulation |
| 02/20/2008 | CN201025512Y Multiplying and division instrument with error counteraction function |
| 02/20/2008 | CN201025511Y Remote voltage stabilized controlling circuit |
| 02/20/2008 | CN201025510Y Fully automatic intelligent power saver |
| 02/20/2008 | CN101128972A Supply power adjusting apparatus and semiconductor manufacturing apparatus |
| 02/20/2008 | CN101128788A Master slave critical conduction mode power converter |
| 02/20/2008 | CN101127495A System and method for switch power supply control |
| 02/20/2008 | CN101126937A Frequency compensation circuit and method for a switching regulator using external zero |
| 02/20/2008 | CN101126936A Electrical level output device for guaranting maximum voltage headroom and its method |
| 02/20/2008 | CN100370672C Equipment and method for exchanging power, in shunt connection, with an electric power network, and use of such equipment |
| 02/20/2008 | CN100370631C Light-emitting element driving circuit |
| 02/20/2008 | CN100370389C Power supply network voltage reactive-load remote control real-time optimization control method |
| 02/20/2008 | CN100370388C Feedback circuit for multi-channel output switch electric source and realizing method |
| 02/20/2008 | CN100370387C Control system for electric actuator |
| 02/19/2008 | USRE40072 Loss and noise reduction in power converters |
| 02/19/2008 | US7333351 Electronic circuit control element with tap element |
| 02/19/2008 | US7333349 Single-stage buck-boost inverter |
| 02/19/2008 | US7333310 ESD bonding pad |
| 02/19/2008 | US7332957 Constant current circuit |
| 02/19/2008 | US7332956 Method to avoid device stressing |
| 02/19/2008 | US7332955 High voltage generating circuit and semiconductor memory device having the same |
| 02/19/2008 | US7332900 Method and apparatus to reduce maximum power from a power supply with transition region regulation |
| 02/19/2008 | US7332899 Circuit arrangement for monitoring a voltage supply, and for reliable locking of signal levels when the voltage supply is below normal |
| 02/19/2008 | US7332898 Double-edge, stackable PWM with built-in feedforward |
| 02/19/2008 | US7332897 DC-DC converter |