H02M 1 - Details of apparatus for conversion

Patents for H02M 1 - Details of apparatus for conversion (33,954)
02/1995
02/14/1995	US5390099 Line-powered, phase-control circuit
02/08/1995	EP0637789A1 Power factor control arrangement for an ols based on quarter cycle averaged power flow
02/08/1995	EP0636284A4 Power supply.
02/07/1995	US5387848 Fluorescent lamp ballast with regulated feedback signal for improved power factor
02/02/1995	DE4430078A1 Circuit arrangement for avoiding switching losses in a pair of branches of a self-commutated converter having an impressed DC intermediate circuit (link) voltage
02/02/1995	DE4426258A1 Converter
02/01/1995	EP0636304A1 High power factor gas lamp energizing circuit
02/01/1995	EP0636284A1 Power supply
02/01/1995	CN1098242A Circuit arrangement
01/1995
01/26/1995	DE4430394A1 Three-phase rectifier circuit having virtually sinusoidal input currents and a regulated DC output voltage
01/26/1995	DE4324184A1 Method and circuit arrangement for generating a firing pulse for a converter valve
01/24/1995	US5384518 Power source device
01/17/1995	US5383109 High power factor boost rectifier apparatus
01/17/1995	US5383107 Harmonic control for an inverter by use of an objective function
01/17/1995	CA2054319C Power supply unit for arc processing
01/11/1995	EP0633652A2 A DC voltage supply circuit
01/10/1995	US5381329 Switch mode power supply for a television receiver and method of controlling therefor
01/10/1995	US5381294 Device for protecting power supply circuit
01/05/1995	WO1995001001A1 Converter circuit
01/05/1995	WO1995001000A1 Universal power converter with single, shared power transformation circuit
01/05/1995	WO1995000999A1 Power supply system
01/04/1995	EP0632570A2 Switch mode power supply with shortcircuit current limitation
01/04/1995	CN1027333C Device for protecting power supply circuit
12/1994
12/28/1994	EP0631371A2 Circuit for estimating a peak or RMS value of a sinusoidal voltage waveform
12/28/1994	EP0617858A4 Conversion of three-phase line voltages.
12/28/1994	CN1096909A Dynamic equalizing-current network circuit with several parallel bipolar power transistors
12/27/1994	US5377092 Method and apparatus for harmonic distortion correction
12/27/1994	US5376881 Method and apparatus for testing self-commutative electric power conversion device
12/27/1994	US5376832 MOS half-bridge drive circuit, particularly for power MOS half-bridges
12/22/1994	DE4421249A1 Switched-mode power supply device having a snubber circuit
12/22/1994	DE4332900C1 Method for operating changeover logic for a reversible converter (two-way rectifier)
12/21/1994	EP0630099A1 Power converter
12/20/1994	US5375053 Controlled power supply
12/20/1994	US5374875 High-power factor circuit for energizing gas discharge lamps
12/20/1994	US5374874 Electronic ballast with crest factor control
12/15/1994	DE4319549A1 Method and device for driving a motor at a variable rotation speed
12/14/1994	CN2185495Y Silicon bridge eliminator for electronic ballast
12/14/1994	CN2185486Y Vertoro with coil conductor bolt type connection
12/13/1994	US5373434 Pulse width modulated power supply
12/07/1994	EP0627808A2 Piloting system for electric inverter
12/06/1994	US5371667 Electric power supply
12/06/1994	US5371666 Average current mode control apparatus for an AC output amplifier
12/06/1994	US5371664 Line-commutated and self-commutated combined power conversion system
11/1994
11/29/1994	US5369561 Standby power supply system having a variable frequency inverter
11/29/1994	US5369308 Power transistor switching circuit with controlled turn-off
11/29/1994	US5369307 Switching power source
11/24/1994	WO1994027356A1 Resonant unity power factor converter
11/24/1994	DE4316816A1 Circuit arrangement
11/23/1994	EP0625291A1 A boost-converter with low losses.
11/22/1994	US5367247 Critically continuous boost converter
11/17/1994	EP0624951A1 Control circuit for slowly turning off a power switch
11/16/1994	CN2183047Y Transistor thick-film device for driving purpose
11/15/1994	US5365407 DC power supply device with printed-circuit board having ground pattern
11/15/1994	US5365118 Circuit for driving two power mosfets in a half-bridge configuration
11/08/1994	US5363287 Low noise multi-output and multi-resonant forward converter for television power supplies
11/08/1994	US5363020 Electronic power controller
11/02/1994	EP0622888A1 Improved power factor DC power supply
11/02/1994	EP0621995A1 A 0-100 % duty cycle, transformer isolated fet driver
10/1994
10/28/1994	CA2114809A1 Power factor dc power supply
10/27/1994	DE4410978A1 Method and circuit for improving the short-circuit stability of a bipolar IGBT
10/26/1994	EP0621743A1 Power factor correcting circuit
10/26/1994	EP0621678A1 Overvoltage protection circuit
10/26/1994	CN2181127Y Power supply wave filter
10/26/1994	CN1026375C Reactive power compensating apparatus with higher harmonic suppressing function
10/25/1994	US5359281 Quick-start and overvoltage protection for a switching regulator circuit
10/25/1994	US5359277 Low distortion alternating current output active power factor correction circuit using bi-directional bridge rectifier and bi-directional switching regulator
10/25/1994	US5359276 Automatic gain selection for high power factor
10/25/1994	US5359275 Load current fundamental filter with one cycle response
10/25/1994	US5359274 Active offset for power factor controller
10/24/1994	CA2121726A1 Circuit arrangement
10/20/1994	DE4412544A1 Power supply system with a high power factor
10/20/1994	DE4312607A1 Direct current supply circuit
10/19/1994	EP0620646A1 Zero bias current low-side driver control circuit
10/13/1994	WO1994023488A1 Snubber
10/13/1994	WO1994023482A1 Power factor corrected ups with improved connection of battery to neutral
10/12/1994	EP0619200A1 Stepped compound voltage control circuit of battery in combination with field-control DC motor driving circuit
10/11/1994	US5355299 Circuit device for preventing saturation of the transformer in a dc/ac converter having a feedback-regulated inverter
10/11/1994	US5355298 Conversion apparatus including latch and non-latch type functions
10/11/1994	US5355294 Unity power factor control for dual active bridge converter
10/11/1994	US5355077 High efficiency regulator with shoot-through current limiting
10/11/1994	US5355025 Active power line conditioner with synchronous transformation control
10/10/1994	CA2120884A1 Zero bias current low-side driver control circuit
10/05/1994	EP0617858A1 Conversion of three-phase line voltages
10/04/1994	US5353213 Circuit configuration for a self-oscillating blocking oscillator switched-mode power supply
10/04/1994	US5352932 Trigger circuit for a power FET with a load on the source side
10/04/1994	US5352861 Resonant high-voltage pulser for arcjet thruster ignition
09/1994
09/29/1994	WO1994022279A1 Furnace equipment
09/29/1994	WO1994022209A1 Transistor circuit for powering a fluorescent lamp
09/29/1994	WO1994022208A1 Frequency shift circuit for switching regulator
09/29/1994	DE4332899C1 Circuit arrangement for detecting the duration of current flow at converter valves
09/28/1994	EP0617567A1 Ballast for discharge lamp with improved crest factor
09/28/1994	CN1092912A A switching power source apparatus
09/27/1994	US5351177 Switch mode power supply with standby mode operation
09/22/1994	DE4308503A1 Switching controller, in particular for operation on loads having a capacitive component
09/21/1994	EP0616416A1 Conversion apparatus
09/21/1994	EP0616414A1 Controllable compound voltage DC/AC transforming circuit
09/20/1994	US5349523 Switching power supply
09/20/1994	US5349516 Switch mode power supply with reduced input current distortion
09/20/1994	US5349515 Switch mode power supply with feed-forward pulse limit control
09/20/1994	US5349284 Power factor boost converter power supply

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