Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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10/12/1976 | US3986050 Firing arrangement for a number of electric valves, particularly of thyristors |
10/12/1976 | US3986047 Ramp release and reset circuit for a three phase voltage regulator |
09/28/1976 | USRE28986 Static inverter wherein a plurality of square waves are so summed as to produce a sinusoidal output wave |
09/21/1976 | US3982175 Power regulating device |
09/21/1976 | US3982174 Switching voltage regulator with low RFI noise |
09/14/1976 | US3980921 Illuminating device for a microscope |
08/31/1976 | US3978389 Series-connected static convertors with re-starting regulator after fault |
08/31/1976 | US3978346 High dc voltage generator |
08/17/1976 | US3974660 Power supply for refrigeration units |
07/06/1976 | US3968397 Firing apparatus for a plurality of electric valves |
06/29/1976 | US3967244 Apparatus for the wireless transmission of a control signal to the control path of a controlled semiconductor valve |
06/29/1976 | US3967189 Power supply for electronic circuits at high-voltage potential |
06/29/1976 | US3967138 Device for firing thyristor |
06/22/1976 | US3965409 D-C control element circuit |
06/15/1976 | US3963975 Electromagnetically shielded electrical power supply with reduced common mode electromagnetic interference output |
06/15/1976 | US3963973 Dc converter |
06/08/1976 | US3962624 Thyristor rectifier |
06/01/1976 | US3961235 Static switch controller synchronized with a passage to zero of the supply voltage |
06/01/1976 | US3961204 Firing circuit for an electric valve |
05/25/1976 | US3959714 Transient turn-on protection circuit for power supplies |
05/25/1976 | US3959668 Semiconductor bidirectional switch circuit |
05/18/1976 | US3958173 Power converter employing non-saturating interphase transformer |
05/18/1976 | US3958172 Frequency reduction and power control circuit for thyristor line controllers |
05/18/1976 | US3958137 Thyristor circuit |
05/04/1976 | US3955131 Circuit for controlling the reverse current in a controlled rectifier |
04/27/1976 | US3953783 Low cast chopper inverter power supply and gating circuit therefor |
04/20/1976 | US3952241 Electronic power varying controller device |
04/13/1976 | US3950693 Ignition apparatus for thyristors |
03/30/1976 | US3947739 Regenerative braking controller for a DC motor |
03/23/1976 | US3946389 Circuit arrangement for the wireless transmission of control signals to the control paths of controlled semiconductor valves |
03/23/1976 | US3946304 Phase-initiation control arrangement, particularly for a three-phaseconsumer unit |
03/23/1976 | US3946252 Integral cycle power controller |
03/16/1976 | US3944815 Firing apparatus for a plurality of electric valves |
03/09/1976 | US3943430 Circuitry for reducing thyristor turn-off times |
03/09/1976 | US3943427 Apparatus for protecting the thyristors of a high-voltage controlled converter from overvoltage |
03/02/1976 | US3942094 Commutation circuit and applications thereof |
03/02/1976 | US3942041 Thyristor control circuit |
02/24/1976 | US3940685 Thyristor-firing apparatus using an acoustic surface wave device |
02/24/1976 | US3940684 Power controller |
02/24/1976 | US3940680 A.C. - D.C. power converter for D.C. load |
02/24/1976 | US3940669 AC motor control system |
02/17/1976 | US3939387 Variable frequency power converter for ac motor drive |
02/17/1976 | US3939363 Circuitry with zener diode voltage surge suppressor connected to serve as half wave rectifier |
02/17/1976 | US3939319 High-frequency heating device for variably controlling a high frequency output in a continuous or stepwise manner |
02/10/1976 | US3938032 Gate pulse power supply for static alternating current switch |
02/10/1976 | US3938027 Electrical thyristor circuit |
02/10/1976 | US3938026 Circuit for the simultaneous ignition of a plurality of thyristors |
02/03/1976 | US3936675 Reference point potential compensating circuit for use with phase controller |
01/27/1976 | US3935551 Filter arrangement for a converter circuit |
01/27/1976 | US3935527 Inrush current limit circuit with reset response to lowered input voltage |
01/27/1976 | US3935512 Circuit for the compensation of current interference signals |
01/13/1976 | US3932803 Electronic monitoring system including contactless motion detector |
01/13/1976 | US3932774 Electronic monitoring system with short-circuit protection |
01/13/1976 | US3932766 Control system for an externally controlled converter |