| Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
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| 06/11/1985 | US4523269 Series resonance charge transfer regulation method and apparatus |
| 06/04/1985 | US4521843 Programmable wall switch for controlling lighting times and loads |
| 06/04/1985 | CA1188367A1 Method and circuitry for sine wave reconstruction |
| 06/04/1985 | CA1188362A1 Ferroresonant power supply |
| 05/29/1985 | EP0142808A2 Method and apparatus for operating an asychronous motor fed by a current-source inverter during power failure |
| 05/21/1985 | US4518908 Control circuit of a synchronous motor with two induction windings |
| 05/21/1985 | US4518867 Self-adapting process and device for triggering a triac |
| 05/14/1985 | US4517620 Electrical feed and control circuit for the pump piston of a spray gun |
| 05/08/1985 | EP0140851A1 Magnetization arrangement for transformers |
| 05/07/1985 | US4516056 Capacitively ballasted low voltage incandescent lamp |
| 04/23/1985 | US4513240 Method and apparatus for selective cancellation of subsynchronous resonance |
| 04/16/1985 | US4511835 Voltage-controlled, inverter-motor system |
| 04/16/1985 | US4511834 Control and stabilizing system for damperless synchronous motor |
| 04/16/1985 | CA1185653A1 Stabilizing circuit for controlled inverter-motor system |
| 04/03/1985 | EP0136225A1 Power supply circuit for an ozone generator |
| 04/03/1985 | EP0135968A1 Alternating voltage converter |
| 04/02/1985 | US4508997 Lighting control system |
| 03/28/1985 | WO1985001367A1 Current regulator for carpet seaming apparatus |
| 03/26/1985 | US4507569 Electrical control system and driver |
| 03/26/1985 | CA1184597A1 Ac power control circuit |
| 03/19/1985 | US4506177 Function generator with means for selectively changing the discharge time constant |
| 03/12/1985 | US4504897 Harmonic noise control in chopper type voltage regulators |
| 03/12/1985 | US4504778 Self-powered, self-regulated, electronic ac control system |
| 03/12/1985 | US4504742 Electrical switching device |
| 02/12/1985 | US4499363 DC Power source |
| 01/22/1985 | CA1181481A1 Transformer for use in a static inverter |
| 01/16/1985 | EP0131102A2 Variable frequency controller |
| 01/02/1985 | EP0130121A1 Underdimensioned electric transformer or choke with retarded conduction |
| 12/27/1984 | EP0129133A1 Power supply circuit for electrical apparatuses with automatic mains supply selection |
| 12/20/1984 | WO1984004993A1 Transformer for converting 3-phase ac into single-phase ac and 6-step dc |
| 12/18/1984 | US4489261 Method and means for feeding electric energy to a portable power tool |
| 12/12/1984 | EP0127742A1 Power supply |
| 12/11/1984 | US4488216 Unrestricted frequency changer system and adjustable frequency AC motor drive using such a system |
| 12/11/1984 | US4488211 Harmonic and pulsation reducing circuit used in a multiplex polyphase rectifier circuit |
| 12/11/1984 | US4488199 Protection circuit for capacitive ballast |
| 12/11/1984 | US4488101 Starting system for chopper controlled motor-commutated thyristor inverter |
| 12/05/1984 | EP0127306A1 Improved unrestricted frequency changer system and adjustable frequency AC motor drive using such a system |
| 11/28/1984 | EP0126180A2 Circuit for reducing harmonics and pulsation in multiplex polyphase rectifying circuits or inverters, respectively provided with interphase reactors |
| 11/14/1984 | EP0124719A1 Current-type GTO/inverter |
| 11/13/1984 | US4482854 Inverter circuit |
| 11/07/1984 | EP0124302A2 A.C. supply converter |
| 10/30/1984 | US4480299 Method of controlling the output voltage of a pulse width modulation inverter |
| 10/24/1984 | EP0122445A2 Continuous ship power supply from the propulsion network at alternating current ship drive of a vaiable frequency and partial frequency converter |
| 10/24/1984 | EP0020640B1 High efficiency, light weight audio amplifier and power supply |
| 10/23/1984 | US4479175 Phase modulated switchmode power amplifier and waveform generator |
| 10/23/1984 | US4479164 Control for an electrostatic treater |
| 10/17/1984 | EP0122227A1 Supply circuit with controllable voltage |
| 10/11/1984 | WO1984004004A1 Electric power conversion apparatus |
| 10/02/1984 | US4475150 Coordinated load commutated inverter protection system |
| 10/02/1984 | US4475074 Apparatus for determining the common frequency of two independently variable electrical a-c variables, especially in a rotating-field machine |
| 09/27/1984 | WO1984003805A1 Ac voltage stabilizer easily convertible into uninterruptible power supply (ups) |
| 09/19/1984 | EP0118966A1 AC voltage stabilizer easily convertible into uninterruptible power supply (UPS) |
| 09/18/1984 | US4471855 Control device for an A.C. elevator |
| 09/11/1984 | US4471419 Circuitry and method of operation for an intermediate-like converter |
| 09/04/1984 | US4469999 Regenerative drive control |
| 08/28/1984 | US4468725 Direct AC converter for converting a balanced AC polyphase input to an output voltage |
| 08/21/1984 | US4467259 Slip energy recovery control system using hybrid inverter to improve quadrature current consumption |
| 08/14/1984 | US4466053 Thyristor converter drive |
| 08/07/1984 | US4464605 Three terminal solid state pilot light |
| 08/01/1984 | EP0114276A1 Starting system for chopper controlled motor-commutated thyristor inverter |
| 08/01/1984 | EP0114275A1 Voltage-controlled, inverter-motor system |
| 08/01/1984 | EP0114274A1 Control and stabilizing system for damperless synchronous motor |
| 07/31/1984 | US4463414 Alternating current power supply for highly inductive loads |
| 07/25/1984 | EP0113744A1 Power graduation system with monoline distribution of the controls and energy. |
| 07/17/1984 | US4460954 Ferroresonant power supply |
| 07/17/1984 | CA1171135A1 Power circuit for an electronic device submitted to a high electric potential |
| 07/03/1984 | US4458306 High amplitude, pulsed current plating system |
| 06/26/1984 | US4456855 Intensity regulator, especially a light regulator |
| 06/05/1984 | US4453122 Electrical balancing control for three-phase loads |
| 05/30/1984 | EP0109522A1 Inverter for a parallel resonant circuit frequency converter |
| 05/29/1984 | CA1168306A1 Polyphrase frequency converter with individually current-regulated outputs |
| 05/29/1984 | CA1168305A1 Full wave frequency converter contractor structure and method |
| 05/22/1984 | CA1167919A1 Power supply for load controller |
| 05/22/1984 | CA1167914A1 Static converter set buffer circuit adapter |
| 05/22/1984 | CA1167902A1 Frequency converter for supplying an electrodeless discharge lamp |
| 05/15/1984 | US4449054 Electronic circuit for controlling the supply voltage of electromagnets, electric motors, resistors, in single- and three-phase systems |
| 05/15/1984 | CA1167525A1 Load control and switching circuits |
| 05/15/1984 | CA1167524A1 Load control and switching circuits and remote/local control systems using such circuits |
| 05/08/1984 | US4447765 Power supply for low voltage incandescent lamp |
| 05/08/1984 | US4447764 Power supply for low-voltage incandescent lamp and like load |
| 05/02/1984 | EP0107539A1 Control circuit for a synchronous motor with two armature windings |
| 04/25/1984 | EP0106119A1 Remotely operable switch |
| 04/25/1984 | EP0106022A2 Method and device to discover the fundamentals of an output signal of a control device and its use in the control of a control device feeding a supply network |
| 04/24/1984 | US4445167 Inverter system |
| 04/10/1984 | CA1165391A1 Zero crossing phase fired controller |
| 04/04/1984 | EP0104397A2 Circuit to decrease the power consumption of a discharge lamp |
| 04/03/1984 | US4441055 Lighting system |
| 03/28/1984 | EP0103997A2 A.C. power control system |
| 03/27/1984 | US4439823 Converting multiphase power from one frequency to another using current waveforms |
| 03/21/1984 | EP0103473A1 Alternating power supply for highly inductive loads |
| 03/20/1984 | US4438375 Electric circuit for converting an AC voltage into a DC voltage or a voltage variable at a lower frequency |
| 03/13/1984 | US4437050 Stabilizing circuit for controlled inverter-motor system |
| 03/06/1984 | US4435750 Rectified AC frequency converter |
| 03/06/1984 | US4435632 Three phase square wave welding power supply |
| 02/16/1984 | WO1984000663A1 Power graduation system with monoline distribution of the controls and energy |
| 02/07/1984 | US4430697 Method and apparatus for starting a parallel-tuned current fed inverter |
| 01/24/1984 | US4427900 Supply circuit for electronic apparatus at a high electric potential |
| 01/17/1984 | US4426611 For controlling power supplied to an AC load from an AC source |
| 01/11/1984 | EP0097958A2 Method and device for suppressing parasite values contained in an output valves system of a control device and in a direct cyclo-converter with three-phase current output |
| 01/03/1984 | US4424475 Apparatus for controlling a static AC/AC thyristor converter which feeds a synchronous rotating machine at a variable frequency |