| Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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| 09/26/1992 | WO1993019516A1 Dc/dc/ac power supply |
| 09/24/1992 | DE4208911A1 Voltage supply for hand-held electrical device - uses battery coupled via self-oscillating oscillator to transformer supply AC voltage for load circuit |
| 09/24/1992 | DE4206663A1 Multi-pulse rectifier circuit - has transductor winding for similar valve current path phases carried by common core |
| 09/23/1992 | EP0505293A2 Pulse-width-modulation control system for an inverter |
| 09/23/1992 | EP0504449A1 Method and device to produce commutation signals from a control voltage vector |
| 09/23/1992 | CN2116991U Large power contravariant source |
| 09/23/1992 | CN2116990U High voltage dc power source |
| 09/23/1992 | CN2116956U Food processor controllor |
| 09/23/1992 | CN1064772A Superimposed high voltage power supply and chain type control mood |
| 09/23/1992 | CN1018413B Pwm conversion current apparatus |
| 09/22/1992 | CA1307821C Integratable synchronous rectifier |
| 09/19/1992 | CA2063209A1 Power generating dwice for induction heating apparatus |
| 09/17/1992 | WO1992016085A1 Power supply having high power factor with control that tracks the input alternating supply |
| 09/17/1992 | DE4208114A1 Control circuit for AC=DC pulse width modulation converters - uses real and imaginary components of incoming 3-phase supply to generate control signals for PWM unit |
| 09/17/1992 | DE4203882A1 Solid state capacitive ladder-type DC=AC converter - comprises electronically-controlled series parallel switching network that sequentially charges and discharges row of capacitors |
| 09/17/1992 | DE4111734C1 Symmetrising current distribution in parallel three=phase inverters - controlling inversion of potential setting of power semiconductors w.r.t. detected shunt currents |
| 09/17/1992 | DE4111733C1 Universal symmetrising method for current distribution in parallel three=phase inverters - controlling pulse formation w.r.t. shunt or zero current thresholds by supplying corresp. null vectors |
| 09/17/1992 | CA2103542A1 Power supply having high power factor with control that tracks the input alternating supply |
| 09/16/1992 | EP0504094A2 High power factor converter for motor drives and power supplies |
| 09/16/1992 | EP0504079A1 Static power generator and power supply method using this generator |
| 09/16/1992 | EP0503715A1 Power supply circuit |
| 09/16/1992 | EP0503631A2 High frequency link power conversion apparatus |
| 09/16/1992 | CN1018326B Modular cabinet for elctrical battery banks |
| 09/15/1992 | US5148362 Method and device for balancing a three-phase system |
| 09/15/1992 | US5148361 Method and device for balancing the circuits of a three-phase system |
| 09/15/1992 | US5148357 Auto-connected hexagon transformer for a 12-pulse converter |
| 09/10/1992 | DE4107674A1 Pulsed current revs. control for electric motor - uses controlled switching of current regulator switches to maintain constant mean power loss |
| 09/10/1992 | DE4107391A1 Electric road vehicle with rechargeable battery - has DC=AC converter acting as DC regulator during battery recharging |
| 09/09/1992 | EP0502507A1 Method and apparatus for electrolytic treatment |
| 09/09/1992 | EP0502478A2 Procedure of resistance welding in particular with alternating non sinusoidal welding current and arrangement for the working of the procedure |
| 09/09/1992 | EP0502226A1 Method and apparatus for simulating the currents in an inverter fed rotating field machine |
| 09/09/1992 | EP0502142A1 Inverter circuit |
| 09/09/1992 | EP0502096A1 Apparatus for a balanced three phase ac power supply in a computer having variable dc loads. |
| 09/09/1992 | CN2115613U Piezoelectric ceramics transformer high voltage source of portable computer display |
| 09/08/1992 | US5146601 Pulse width modulation input/output controller for image processing apparatus |
| 09/08/1992 | CA1307317C Overvoltage protector for rectifier/inverter bridges |
| 09/07/1992 | CA2062081A1 Process for resistance welding and arrangement for carrying out the process |
| 09/03/1992 | WO1992015146A1 Power unit with multi-phase supply |
| 09/03/1992 | WO1992015145A1 Process for controlling voltage transformers having a wide input voltage range and use of said process |
| 09/03/1992 | DE4105462A1 Generating calling AC voltage in telephone subscriber circuit - producing DC voltage with amplitude control by pulses of different pulse-interval ratio |
| 09/02/1992 | EP0501594A2 Trapezoidal wave generator |
| 09/02/1992 | EP0500948A1 System for driving induction motor |
| 09/02/1992 | EP0500818A1 Method for controlling a power converter using an auxiliary resonant commutation circuit. |
| 09/02/1992 | EP0500738A1 Dc/dc power transformer |
| 09/02/1992 | EP0500528A1 Process for correcting a detected faulty actual value of a signal with harmonic vibrations and circuit arrangement for implementing this process. |
| 09/02/1992 | EP0465507A4 Fault-powered power supply |
| 09/02/1992 | CN1064179A Circuit arrangement for generating ac voltage |
| 09/02/1992 | CN1064178A High power factor power supply |
| 09/01/1992 | US5144547 Rectifying circuit with FETs |
| 09/01/1992 | US5144203 Circuit for driving an electric field luminous lamp |
| 09/01/1992 | US5144202 High-frequency power supply for incandescent lamp |
| 08/27/1992 | DE4106055A1 Network brake circuitry in rectifier substation - has feedback diode coupled at each track start and linked to feedback loop line |
| 08/27/1992 | DE4106054A1 DC power supply circuitry for electrically powered vehicles - has thyristor rectifier and switching stages coupled to distributed sections of overhead conductor |
| 08/27/1992 | DE4106039C1 Inverter for prodn. of AC voltage - with switch operation controlled to generate rectangular signals |
| 08/27/1992 | DE4105463A1 Steuerverfahren fuer einen spannungswandler mit grossem eingangsspannungsbereich und die verwendung eines solchen verfahrens A control method for a voltage converter with a large input voltage range and the use of such a method |
| 08/26/1992 | EP0500121A2 Controller for induction motor |
| 08/26/1992 | EP0500113A2 Power-supply unit |
| 08/26/1992 | EP0500032A1 Converter device and its use |
| 08/26/1992 | EP0499869A1 Circuitry for production of an alternating voltage |
| 08/26/1992 | EP0314669B1 Switched capacitor induction motor drive |
| 08/26/1992 | EP0285674B1 Inverter |
| 08/26/1992 | CN1063979A Silicon-controlled large-power ac-dc power converting circuit |
| 08/25/1992 | US5142468 Power conditioning system for use with two PWM inverters and at least one other load |
| 08/25/1992 | US5142439 Integrated bus bar/multilayer ceramic capacitor module |
| 08/20/1992 | DE4103675A1 Voltage increasing circuit producing erasing or control pulse potential |
| 08/20/1992 | DE4103674A1 Voltage increasing circuit producing erasing or control pulse potential |
| 08/20/1992 | DE4103673A1 Voltage increasing circuit producing erasing or control pulse potential |
| 08/19/1992 | EP0498840A1 High voltage power supply. |
| 08/18/1992 | US5140591 Generator of drive signals for transistors connected in a half-bridge configuration |
| 08/18/1992 | US5140514 Regulation of d.c. voltage of a pulse-width modulated rectifier using spatial vectors in a stationary coodinate system |
| 08/18/1992 | US5140511 Switched mode power supply having a discharge circuit for an auxiliary power source |
| 08/18/1992 | US5140248 Open loop motor control with both voltage and current regulation |
| 08/13/1992 | DE4120112C1 Symmetrising PWM transformer feeding inverter bridges - involves force switching off electronic switches of bridge branch pairs independently of control |
| 08/12/1992 | EP0498651A2 High power factor power supply |
| 08/12/1992 | EP0498646A2 Power unit and power connecting method |
| 08/12/1992 | EP0498631A2 BI-mode high voltage resonant power supply |
| 08/12/1992 | EP0498350A2 Voltage boosting circuit |
| 08/12/1992 | EP0498090A1 High frequency oscillator-inverter circuit for discharge lamps |
| 08/11/1992 | US5138545 Hybrid high voltage transformer |
| 08/11/1992 | US5138544 Harmonically modified twelve-pole inverter |
| 08/11/1992 | US5138515 Pulse-controlled gate circuit with protection against short-circuit |
| 08/06/1992 | DE4103108A1 Mains power supply unit with surge-preventing semiconductor switch - incorporates control casing switch to commence conduction at phase determined by position of mains voltage window |
| 08/06/1992 | DE4102893A1 Pulse width modulated three=phase current converter for washing machine motor - has transistors clocked by fundamental frequency of output voltage in half bridges with diodes in one half |
| 08/05/1992 | CN1017766B Control arrangement for inverter current |
| 08/05/1992 | CA2059241A1 Bi-mode high voltage resonant power supply |
| 08/04/1992 | US5135725 Ozone generator equipment and methods |
| 08/04/1992 | CA1306005C Ac/dc converter |
| 07/30/1992 | DE4201357A1 Current determination system for control and regulation of reversible converter - current transformer circuit using series circuit of load resistor and parallel circuit of resistor and diode poled in conductive direction |
| 07/29/1992 | CN2111591U Direct current power supply |
| 07/28/1992 | US5134307 Uninterruptible power supply apparatus and isolating method thereof |
| 07/23/1992 | DE4122070A1 Inductive system with inductive load, e.g. for heating workpieces - has AC power generator contg. DC source and switching transistors driven alternately by controller |
| 07/22/1992 | EP0495415A1 Valve stack for high voltages |
| 07/22/1992 | CN2110955U Regulator for permanent-magnet ac generator |
| 07/22/1992 | CN2110944U Energy saving full-automatic convertion electric source |
| 07/21/1992 | US5132896 Inverter unit with improved bus-plate configuration |
| 07/21/1992 | US5132892 PWM controller used in a multiple inverter |
| 07/16/1992 | DE4100655A1 Electronic circuitry with measuring tap and PLL circuit - supplies output signal as rated current value to circuit with P or PI mode |
| 07/15/1992 | EP0494713A2 Circuit arrangement for generating a higher DC voltage |
| 07/15/1992 | EP0494629A2 Electric power source |
| 07/15/1992 | EP0494137A1 Process and device for the optimum operation of a pulse converter connected to a power supply. |