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Class Information
Number: 363/49
Name: Electric power conversion systems > Current conversion > With starting arrangement
Description: Subject matter having means to initiate operation of the conversion system.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8711580 Resonant conversion system with over-current protection processes Apr. 29, 2014
8711584 Reducing voltage stress in a flyback converter design Apr. 29, 2014
8713332 System and method of supplying an electrical system with direct current Apr. 29, 2014
8693216 Switch control device, power supply device including the same, and switch control method Apr. 8, 2014
8686761 Gate driver and switching power source apparatus Apr. 1, 2014
8680622 Semiconductor device, integrated circuit including the semiconductor device, control IC for switching power supply and the switching power supply Mar. 25, 2014
8670247 Isolated DC-DC converter with active clamp circuit Mar. 11, 2014
8670252 Switch controller, switch control method, converter using the same, and driving method thereof Mar. 11, 2014
8670251 Regulating apparatus with soft-start and fast-shutdown function Mar. 11, 2014
8669743 Direct current electric power system with active damping Mar. 11, 2014
8638575 High voltage startup circuit Jan. 28, 2014
8629631 Method and system for improving start-up time of a light emitting diode (LED) driver at reduced input voltage Jan. 14, 2014
8630103 Method and apparatus for programming a power converter controller with an external programming terminal having multiple functions Jan. 14, 2014
8625317 Isolated switch-mode power supply device Jan. 7, 2014
8605469 AC side soft charge circuit for variable frequency drives Dec. 10, 2013
8599586 Power inverter system and method of starting same at high DC voltage Dec. 3, 2013
8587281 Operation controller, DC-DC converter controller, and DC-DC converter Nov. 19, 2013
8587973 Internal high-voltage current source in an AC/DC power converter Nov. 19, 2013
8581565 DC-to-DC converter having secondary-side digital sensing and control Nov. 12, 2013
8582319 Control arrangement for a resonant mode power converter Nov. 12, 2013
8576589 Switch state controller with a sense current generated operating voltage Nov. 5, 2013
8576594 Soft starter for phase-shifting autotransformer AC-DC power converter Nov. 5, 2013
8570018 Hot swappable synchronous buck regulator Oct. 29, 2013
8564983 Power supply device and image forming apparatus Oct. 22, 2013
8559200 Method and apparatus of low current startup circuit for switching mode power supplies Oct. 15, 2013
8559196 Output voltage control circuit of power converter for light-load power saving Oct. 15, 2013
8542506 Method and apparatus for controlling the power of a transformer using a soft start circuit Sep. 24, 2013
8536803 Fluorescent lamp power supply Sep. 17, 2013
8537577 Method and apparatus to select a parameter/mode based on a measurement during an initialization period Sep. 17, 2013
8531163 Switching power supply device, integrated circuit, and switching power supply device operation condition setting method Sep. 10, 2013
8531851 Start-up circuit and method thereof Sep. 10, 2013
RE44485 Device for feeding electrical energy from an energy source Sep. 10, 2013
8520418 Power source circuit efficient in conversion from alternating current to direct current Aug. 27, 2013
8514598 Power converter comprising an inverter module using normally ON field-effect transistors Aug. 20, 2013
8513926 Power factor correction circuit and driving method thereof Aug. 20, 2013
8514597 Chain-link converter, method for starting chain-link converter and static compensator system Aug. 20, 2013
8508196 Switching regulator Aug. 13, 2013
8503196 Feedback circuit and control method for an isolated power converter Aug. 6, 2013
8497666 Semiconductor device and power source device Jul. 30, 2013
8498134 Voltage converter circuit and method for a clock supply of energy to an energy storage Jul. 30, 2013
8487591 Power control system with power drop out immunity and uncompromised startup time Jul. 16, 2013
8471626 Start-up circuit to discharge EMI filter of power supplies Jun. 25, 2013
8472216 Circuit arrangement and control circuit for a power-supply unit, computer power-supply unit and method for switching a power-supply unit Jun. 25, 2013
8461915 Start-up circuit to discharge EMI filter for power saving of power supplies Jun. 11, 2013
8456867 Start-up procedure for an isolated switched mode power supply Jun. 4, 2013
8456872 Switching power supply Jun. 4, 2013
8446744 Method for controlling a switching device of a resonant power converter, especially in order to provide a required power, especially for an X-ray generator May. 21, 2013
8427849 Start-up circuit for power converters with wide input voltage range Apr. 23, 2013
8416591 DC-DC converter with soft start circuit Apr. 9, 2013
8411467 Ultra-low voltage boost circuit Apr. 2, 2013

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