Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
08/1983
08/31/1983EP0086793A1 Electrical converter
08/30/1983US4402030 Electrostatic voltage control circuit
08/24/1983EP0086663A2 Phase-on ride-through control circuit
08/24/1983EP0086650A2 Apparatus for providing a controlled power waveform
08/24/1983EP0086641A2 Three phase square wave welding power supply
08/24/1983EP0086483A2 Power rectifier arrangement
08/23/1983US4400656 Lifting device for driving a load
08/23/1983CA1152562A1 Dual speed control circuit for power flow through an inverter
08/18/1983WO1983002860A1 Method of securely interrupting the electric power supply from a low-frequency or direct voltage source to a load, and apparatus for carrying out the method
08/17/1983EP0085982A2 DC-AC Converter
08/16/1983US4399499 Bi-lateral four quadrant power converter
08/16/1983CA1152154A1 Protected converter arrangement
08/16/1983CA1152153A1 Uninterruptible power supply with load regulation of standby voltage source
08/16/1983CA1152151A1 Shootthrough fault protection system for a voltage source transistor inverter
08/10/1983EP0085430A2 D.C.-A.C. voltage conversion rectifier
08/10/1983EP0085249A1 Method and apparatus for electrical power conversion
08/10/1983EP0085073A1 Converter.
08/09/1983US4398126 Protected low-pressure discharge lamp operating circuit
08/09/1983CA1151771A1 Method and apparatus for enhancing the output of an rms converter
08/09/1983CA1151721A1 Power supply for a high density discharge or fluorescent lamp
08/03/1983EP0084912A1 High-voltage supply for an X-ray generator
08/03/1983EP0084651A1 Power conversion equipment
08/02/1983USRE31335 Search tuning system for television receiver
08/02/1983US4396818 Thyristor off-time controlled induction heating apparatus by differentiated thyristor anode potential
08/02/1983CA1151239A1 Commutation circuits for thyristor inverters
07/1983
07/26/1983US4395751 Flux-balanced variable frequency inverter
07/26/1983US4395659 Power supply device
07/20/1983EP0083717A2 D.C. power supplies
07/19/1983US4394723 Power supply circuit
07/19/1983US4394722 Television receiver high voltage generator
07/19/1983US4394721 Thyristor power converter with switched impedance
07/19/1983US4394720 Auto-stabilized high power electric generator especially adapted for powering processes involving discharge in a rarefied gaseous atmosphere
07/19/1983CA1150354A1 Selective commutation circuit for an inverter
07/12/1983US4393441 High voltage power supply
07/07/1983WO1983002370A1 Switching regulator with transient reduction circuit
07/06/1983EP0083326A1 Method and device for controlling a brushless alternating current motor
07/06/1983EP0083012A1 Method and system for controlling output voltage of pulse width modulation inverter
07/05/1983US4392193 Rectifying and inverting apparatus
07/05/1983US4392172 Reactive snubber for inductive load clamp diodes
07/05/1983US4392085 Direct drive ballast with delayed starting circuit
06/1983
06/28/1983US4390939 Electric power source device
06/28/1983US4390937 Self-starting transformer-coupled FET multivibrators
06/28/1983US4390831 Electrostatic precipitator control
06/28/1983US4390830 Back corona detection and current setback for electrostatic precipitators
06/22/1983EP0082029A1 Device for the correction of the alternating voltage supplied by a frequency converter feeding an asynchronous or synchronous motor
06/22/1983EP0081884A2 Circuit arrangement for operating high pressure gas-discharge lamps
06/22/1983EP0081723A1 Device for the control of the output voltage of a polyphase cycloconverter
06/21/1983US4389708 Method and apparatus for enhancing the output of an RMS converter
06/21/1983US4389703 Integrated voltage multiplier
06/21/1983US4389581 Pulse duty control system
06/15/1983EP0081302A1 Series resonant inverter with integrating feedback control loop
06/15/1983EP0081275A2 Improved power inverter
06/15/1983EP0081133A1 Current-type inverter
06/14/1983US4388561 Apparatus for operating discharge lamps
06/14/1983CA1148215A1 Circuit having improved firing angle symmetry for ignition pulses in the control of a multipulse rectifier
06/09/1983WO1983002044A1 Anion generating air cleaner
06/08/1983EP0080925A1 Static converter with a twelve-phase circuit of two Graetz bridges for the suppression of the 5th and 7th harmonics in the network
06/08/1983EP0052643A4 Converter with two or more independently controlled loads.
06/07/1983US4387421 Optimal and adaptive control of variable speed AC motor drives
05/1983
05/31/1983US4386396 Self-commutated inverter
05/31/1983CA1147400A1 Induction cooking system with a reactive power converter
05/24/1983US4385348 Inverter with improved power factor control
05/24/1983CA1147024A1 Bridge-doubler rectifier
05/24/1983CA1147020A1 Apparatus and method for generating waveforms which are particularly suitable for a pwm-driven motor
05/18/1983EP0079130A1 Reactive snubber for inductive load clamp diodes
05/18/1983EP0078923A1 Method of operating an intermediate circuit inverter, and circuit arrangement for carrying out the method
05/11/1983WO1983001694A1 Circuit arrangement for power control
05/10/1983US4383185 Switchable analog signal inverter
05/10/1983CA1146218A1 Three phase regulated supply with ripple current regulation
05/04/1983EP0078117A2 Inverter circuit
05/04/1983EP0077836A1 Control apparatus for electric motors
05/03/1983US4382276 AC-DC Electric power converting station
05/03/1983US4382275 PWM Inverter circuit
05/03/1983US4382212 One lamp out detect shutdown technique for high frequency, solid state fluorescent lamp ballasts
04/1983
04/27/1983EP0077625A1 Controlled-rectifier bridge converter
04/26/1983CA1145396A1 Apparatus and method for supplying direct current with superimposed alternating current
04/26/1983CA1145395A1 Direct current power supply for supplying constant real power
04/19/1983US4380795 Base drive circuit for a four-terminal power Darlington
04/14/1983WO1983001341A1 Transformer for converting 3-phase into single-phase voltage
04/14/1983WO1983001340A1 Transformer for converting 3-phase power into dc power
04/12/1983US4380045 Thyristor convertor failure detection device
04/12/1983CA1144600A1 Gate control circuit for thyristor converter
04/12/1983CA1144599A1 Static inverter employing an assymetrically energized inductor
03/1983
03/30/1983EP0075382A1 Power supply for arc lamps
03/30/1983EP0075357A1 Feeder circuit for a polyphase electric asynchronous machine
03/30/1983EP0075320A1 Rectifying apparatus for automotive A.C. generator
03/30/1983EP0075319A1 Control apparatus for d.c. power transmission system
03/29/1983US4378533 Modulator for injecting signals into a polyphase power transmission system
03/29/1983CA1143787A1 Bridge converter circuit
03/23/1983EP0074752A1 Power conversion circuit
03/23/1983EP0074689A1 Control circuit for a DC-AC converter
03/22/1983US4377780 Means for damping mechanical torsional oscillations of an electric a.c. generator
03/22/1983US4377779 Pulse width modulated inverter machine drive
03/22/1983US4377777 Switching drive circuit
03/22/1983CA1143436A1 Balanced control waveform for reducing inverter harmonics
03/17/1983WO1983000962A1 Electric power converter circuit
03/17/1983WO1983000961A1 Power conversion circuit
03/17/1983WO1983000960A1 Television receiver high voltage generator
03/17/1983WO1983000958A1 Inverter connection with bridge for transforming direct current into single phase or multiphase alternating current
03/17/1983WO1983000957A1 Electric power converter circuit
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