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