| 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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| 08/21/2013 | CN102279610B Sub-threshold reference voltage source with extremely low power consumption and wide temperature range |
| 08/21/2013 | CN101853039B Reference voltage supplying circuit, reference voltage supplying method and voltage regulating circuit |
| 08/21/2013 | CN101813959B Control device of power factor correcting circuit and control method |
| 08/21/2013 | CN101546955B 电荷泵电路 The charge pump circuit |
| 08/20/2013 | US8516288 Microcomputer |
| 08/20/2013 | US8514628 Dynamic switching approach to reduce area and power consumption of high voltage charge pumps |
| 08/20/2013 | US8514210 Systems and methods for calibrating solid state lighting panels using combined light output measurements |
| 08/20/2013 | US8514010 Reference current generation circuit and power device using the same |
| 08/20/2013 | US8514009 Current sensing circuit |
| 08/20/2013 | US8513937 Switching regulator with optimized switch node rise time |
| 08/20/2013 | US8513936 Switching power supply circuit |
| 08/20/2013 | US8513935 Combinations of current feedback for frequency compensation, overload detection, and super overload detection in switching power converters |
| 08/20/2013 | US8513934 Switching device compensation circuit |
| 08/20/2013 | US8513933 DC-DC converter with low side switch control |
| 08/20/2013 | US8513932 DC/DC boost converter |
| 08/20/2013 | US8513931 Snubber circuit for buck converter |
| 08/20/2013 | US8513930 Active power switch topology for switching regulators |
| 08/20/2013 | US8513929 Method for providing and operating an LDO |
| 08/20/2013 | US8513928 Bidirectional buck-boost converter |
| 08/20/2013 | US8513927 Power generation circuit for generating and storing electric power utilizing radio wave energy |
| 08/20/2013 | US8513902 Power supply unit having dimmer function and lighting unit |
| 08/20/2013 | US8513898 Light emitting device that restores abnormal light emitting element |
| 08/15/2013 | US20130208514 Converter for hvdc transmission and reactive power compensation |
| 08/15/2013 | US20130207717 Charge Pump Circuit |
| 08/15/2013 | US20130207633 Switching regulator |
| 08/15/2013 | US20130207632 System and method for improved line transient response in current mode boost converters |
| 08/15/2013 | US20130207631 Semiconductor integrated circuit device, dc-dc converter, and voltage conversion method |
| 08/15/2013 | US20130207630 Systems and methods for dynamic management of switching frequency for voltage regulation |
| 08/15/2013 | US20130207629 Negative slope compensation for current mode switching power supply |
| 08/15/2013 | US20130207628 Power Supply Circuit, Switching Regulator, and Control Circuit and Control Method Thereof |
| 08/15/2013 | US20130207627 Virtual output voltage sensing for feed-forward control of a voltage regulator |
| 08/15/2013 | US20130207626 Switching Power Supply Circuit |
| 08/15/2013 | US20130207625 Switching regulator |
| 08/15/2013 | US20130207624 Providing Power to a Component |
| 08/15/2013 | US20130207623 Power Supply Device for a Nonlinear, Time-Varying Load |
| 08/15/2013 | US20130207622 System and method for reactive power regulation |
| 08/15/2013 | US20130207621 Power factor correction circuit |
| 08/15/2013 | US20130207567 Boost converter assisted valley-fill power factor correction circuit |
| 08/15/2013 | US20130207563 Power supply device and lighting device and lighting fixture using the same |
| 08/14/2013 | EP2626763A1 Power control device, power control method, and feed system |
| 08/14/2013 | EP2625581A1 High voltage high current regulator circuit |
| 08/14/2013 | DE102007023652B4 Spannungsregler und Verfahren zur Spannungsregelung Voltage regulator and Method for voltage regulation |
| 08/14/2013 | CN203133654U Photovoltaic inverter with maximum power point tracking module |
| 08/14/2013 | CN203133653U Power regulation control panel capable of equally distributing duty cycle |
| 08/14/2013 | CN203133652U Voltage adjuster |
| 08/14/2013 | CN203133651U Constant-current short-circuit protection circuit module |
| 08/14/2013 | CN203133650U Power supply control device for Hall current sensor device |
| 08/14/2013 | CN203133649U Special device for power source type experiments |
| 08/14/2013 | CN203133648U Voltage stabilizing circuit |
| 08/14/2013 | CN203133647U Alternating-current voltage stabilizer |
| 08/14/2013 | CN103248328A Power amplifier and utilization method |
| 08/14/2013 | CN103248229A Circuit arrangement with a swtiching converter |
| 08/14/2013 | CN103246311A Non-resistor band-gap reference voltage source with high-order curvature compensation |
| 08/14/2013 | CN103246310A CMOS (complementary metal-oxide-semiconductor) band-gap reference source circuit |
| 08/14/2013 | CN103246309A Reference voltage generator |
| 08/14/2013 | CN103246308A Multi-input low-pressure drop voltage stabilizer |
| 08/14/2013 | CN103246307A Program-control current source |
| 08/14/2013 | CN103246306A High-precision three-port chip |
| 08/14/2013 | CN103246305A Circuit structure for continuously generating positive and negative voltage and current on basis of feedback control |
| 08/14/2013 | CN103246304A In-chip reference voltage generation circuit, chip and method |
| 08/14/2013 | CN103246303A Control circuit of main transformer air-cooling system |
| 08/14/2013 | CN103246302A Output current sampling and constant output current control method |
| 08/14/2013 | CN103244832A Pipeline inspection device and supply voltage regulator circuit thereof |
| 08/14/2013 | CN102289240B Improved incremental conductance method for realizing maximum power point tracking of solar cell |
| 08/14/2013 | CN102243505B Low-offset and fast-response voltage-controlled current source, control method and power circuit applying voltage-controlled current source |
| 08/14/2013 | CN102147631B Non-band gap voltage reference source |
| 08/14/2013 | CN102141818B Self-adaptive temperature bandgap reference circuit |
| 08/14/2013 | CN102016741B Field instrument |
| 08/14/2013 | CN101763133B Auto-bias voltage stabilizing circuit |
| 08/13/2013 | US8508963 Step-down switching regulator capable of providing high-speed response with compact structure |
| 08/13/2013 | US8508559 Method of driving a light source, method of displaying an image using the same, and display apparatus for performing the same |
| 08/13/2013 | US8508289 Data-path cell on an SeOI substrate with a back control gate beneath the insulating layer |
| 08/13/2013 | US8508288 Charge pump circuit and methods of operation thereof |
| 08/13/2013 | US8508287 Charge pumps with improved latchup characteristics |
| 08/13/2013 | US8508286 Apparatus and method for electrical biasing |
| 08/13/2013 | US8508211 Method and system for developing low noise bandgap references |
| 08/13/2013 | US8508209 Switching regulator and control circuit thereof and input voltage detection method therefor |
| 08/13/2013 | US8508208 Buck-boost regulator with converter bypass function |
| 08/13/2013 | US8508207 Controlling a skew time of switches of a switching regulator |
| 08/13/2013 | US8508206 Adaptive constant on time adjustment circuit and method for adaptively adjusting constant on time |
| 08/13/2013 | US8508205 Buck DC-to-DC converter and method |
| 08/13/2013 | US8508204 Controller and method of operating a controller |
| 08/13/2013 | US8508202 Maximum power point tracking converter |
| 08/13/2013 | US8508201 Inductor driving circuit |
| 08/13/2013 | US8508200 Power supply circuit using amplifiers and current voltage converter for improving ripple removal rate and differential balance |
| 08/13/2013 | US8508199 Current limitation for LDO |
| 08/13/2013 | US8508198 Power supply conversion circuit of multi-phase power supply |
| 08/13/2013 | US8508197 Static compensator and method for controlling thereof |
| 08/13/2013 | US8508196 Switching regulator |
| 08/13/2013 | US8508195 PFC converter using a predetermined value that varies in synchronization with a phase of the input voltage |
| 08/13/2013 | US8508194 Semiconductor device |
| 08/13/2013 | US8508166 Power factor correction with variable bus voltage |
| 08/13/2013 | US8508157 Power supply device for driving light emitting diode |
| 08/13/2013 | US8508156 Energy saving LED lamp |
| 08/13/2013 | US8508155 System and method for calibrating backlight devices |
| 08/13/2013 | US8508154 Lighting devices |
| 08/13/2013 | US8508153 Electrical device for end user control of electrical power and lighting characteristics |
| 08/13/2013 | US8508152 Apparatus and method for compensating for reduced light output of a solid-state light source having a lumen depreciation characteristic over its operational life |
| 08/13/2013 | US8508141 Light control apparatus for light emitting device and illumination system |
| 08/08/2013 | WO2013115784A1 Reducing current harmonics at light loads |