Matches 301 - 350 out of 446 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
4315306 High-voltage generating device  
A high-voltage generating device which comprises a transformer having a secondary coil subdivided into sections which are series-connected via diodes. The beginning of the first section is...
4302806 Filter for polyphase rectifier  
A filter for a polyphase rectifier includes first and second substantially identical sections each including a capacitor connected in series with a parallel circuit of a diode and a resistor, the...
4293903 High voltage rectifier for television receiver sets  
In a high voltage rectifier for use in a television receiver set, a resistor block is incorporated therein to produce focusing and screen voltages, and a focusing voltage feeder for supplying the...
4275436 Converter bleeder circuit responsive to flux condition of filter inductor  
A bleeder circuit is utilized to insure proper operation of a filter inductor in a pulsed power system. A control arrangement couples a bleeder resistor to the filter inductor in response to actual...
4274071 Three-phase ferroresonant transformer structure embodied in one unitary transformer construction  
A three-phase transformer structure has a double-window magnetic structure with an independent flux path encircling each window and an outer flux path encircling both windows. A shunt path for the...
4272807 Regenerative DC power supply  
A DC power supply is disclosed which returns excessive regenerative energy to the AC line. The regenerative power supply generates a DC bus voltage from an AC power line and regulates the maximum...
4271462 Power converter and regulation apparatus  
A power converter utilizes an inverter operating at a frequency near 30 kHz to produce an RF voltage which is divided by a reactive voltage divider, one portion of the divider including a saturable...
4271463 High voltage transformer  
A high voltage transformer for use in a television receiver or the like having a magnetic core, a primary winding, a secondary winding and a voltage rectifier. The secondary winding is wound on a...
4259641 Linearized detector/rectifier circuit  
Circuit for use in the rectification and detection of alternating electrical signals. The circuit employs a feedback amplifier in combination with a non-linear rectifier element to provide an...
4247889 High-voltage-secondary transformer, particularly television line transformer  
To decrease the internal resistance of a transformer operable as a television line transformer of the "diode-split" type, the secondary winding sections are matched to each other and to the...
4245294 Power supply providing constant power output  
A power supply for developing substantially constant average power in a variable resistance load (18) from an alternating polarity source (11) comprises an AC portion including serially connected...
4229787 Flyback transformer  
A flyback transformer includes a high voltage winding with a first rectifier coupled to the high voltage lead and a second rectifier coupled to the ground return lead. The rectifiers are poled in...
4227143 High-voltage transformer  
A high voltage transformer comprising a secondary winding composed of coils which are wound one on top of the other and which are electrically interconnected by diodes which are connected in the...
4222096 D-C Power supply circuit with high power factor  
A d-c power supply is described which is energized from a relatively low frequency power source and produces a d-c output voltage with low ripple and high power factor. An inductance-capacitance...
4219872 Power supply  
A linear DC power supply provides high efficiency with substantially lower total capacitance than prior art linear DC power supplies. The power supply includes first and second input terminals,...
4212054 DC Power source  
A DC power source is provided with a rectifier circuit connected to an AC power source and a smoothing circuit, which is comprised of a DC reactor and a parallel capacitor, connected to the output...
4204263 Flyback transformer  
A flyback transformer comprising a magnetic core and primary and secondary windings wound around the magnetic core, the secondary winding being divided into a plurality of coil units and...
4196387 Apparatus for measuring output DC current of rectifier devices  
In apparatus for indirectly measuring the output DC current of a rectifier device on the input side of a polyphase rectifier transformer, a polyphase auxiliary current transformer is provided and...
4194240 Precision envelope detector and linear rectifier circuitry  
Disclosed is a method and apparatus for the precise linear rectification and envelope detection of oscillatory signals. The signal is applied to a voltage-to-current converter which supplies...
4193111 Unity power factor converter  
A unity power factor converter capable of effecting either inversion (dc-to-dc) or rectification (ac-to-dc), and capable of providing bilateral power control from a DC source (or load) through an...
4177413 Battery chargers  
A charging circuit for charging a low voltage battery from an AC supply, said circuit comprising a full wave bridge rectifier, each leg of the bridge including a rectifying element, and means for...
4158144 Circuit arrangement for the transmission of electrical supply power  
A circuit arrangement is disclosed for the transmission of electrical supply outputs for low power devices which must be electrically separated from the mains supply. The circuit arrangement has at...
4156897 Apparatus for supplying direct current from a three-phase alternating-current source  
Apparatus for supplying direct current from a three-phase alternating-current source, comprising a three-phase A.C. transformer; one end of each transformer phase leg being connected via separate...
4156276 Effective value converting circuit  
An effective-value converting circuit comprising a rectifier circuit of which four arms are composed of diodes to rectify an a-c input, a temperature compensating diode connected between the output...
4131939 Constant current power supply  
A power supply circuit for converting alternating current into d.c. voltage at substantially constant current for loads varying over a wider range of resistance or impedance, allowing the d.c....
4110821 Semiconductor device having a semiconductor accommodated in a sealed vessel  
A semiconductor device includes a sealed vessel accommodating a semiconductor body and a heating element. When the semiconductor body is not energized, the heating unit is heated.
4109306 Power supply  
A power supply for providing two different DC voltages from a transformer having a center tapped secondary winding is disclosed. An arrangement of diodes and capacitators forming a voltage doubler...
4099227 Sensor circuit  
A circuit for sensing the motor stator voltage on any one or more phases of an AC electrical drive system. In a three phase system, all three phases of the motor terminal voltage are applied to a...
4084217 Alternating-current fed power supply  
An A.C. voltage fed power supply for D.C. gas-discharge lamps is disclosed having full-wave rectifying means connected on the A.C. side to at least two phase-adjusting networks for forming mutually...
4061958 Constant power rating power supply  
The amplitude of the rectified voltage applied to the filter capacitor of a power supply is varied by selecting different taps in the secondary winding as a function of the output voltage and...
4058759 Power supply for computer peripheral device  
In a computer peripheral device having a controllable element and control means coupled to the controllable element and operative in response to a power supply voltage of a predetermined level for...
4045708 Discharge lamp ballast circuit  
Electrical ballast circuit for operating gaseous discharge lamps with direct current. An inductive reactor coil connected to an alternating current source is connected to a discharge lamp via a...
4045722 Power converter system  
A power converter system comprises a connection of a plurality of controlled rectifiers and a plurality of uncontrolled rectifiers, or a connection of only a plurality of controlled rectifiers....
4030016 Precision active rectifier circuit  
An improved feedback/compensation scheme for a precision active rectifier circuit improves the slew rate and loop gain during diode switching and thereby reduces fractional scale linearity problems.
4030017 Controlled reactance regulator circuit  
A circuit for providing a regulated a-c or d-c output voltage from an unregulated a-c input voltage. A series inductance is connected between the regulator input and the regulator output to support...
4027205 Environmentally protected arc welding apparatus of the forced ventilation type  
A compact and portable arc welding apparatus of the transformer reactor type having a main compartment cooled by forced ventilation and a side compartment sealed from hostile environment, the two...
4015184 Silicon junction diode rectifier power pack  
A forced-air, convection-cooled, stud-mounted, silicon junction diode, full-wave rectifier power pack having improved cooling air circulation and a more effective electrical conductance and...
4007402 Three phase full wave rectifier assembly  
A three phase full wave rectifier assembly includes first and second sub-assemblies each of which includes three semi-conductor diodes. In addition, each sub-assembly includes an electrically...
3970915 Fault detector and interrupt circuit useful in a television signal processing system  
A supply voltage for signal processing circuits of a television signal processing system is developed in the secondary circuit of a transformer. AC power is coupled to the primary of the...
3968406 Direct current electromagnetic assembly operating on alternating-current mains  
This d.c. electromagnet having a rectifying device designed for operating from an a.c. mains utilizes a pair of diodes. The winding structure comprises a first winding supplied through a first...
3962622 High-voltage generator for an X-ray diagnostic apparatus  
A high-voltage generator for an X-ray diagnostic apparatus which is initially intended for single-phase operation and subsequently, through an addition, completed in a simple manner into a...
3962631 Circuit for determining a measure value of a rectified a-c voltage  
A circuit for determining a measured value of a rectified a-c voltage of the type having at least one compensation diode for compensating the diode threshold values in the rectifier and which is...
3961152 Magnetron power supply and control circuit  
A counter-top microwave oven comprises an upstanding box-like metal wall structure defining a heating cavity, a microwave generator including a voltage quadrupler power supply, and transmission...
3959786 Isolated two-wire transmitter  
An isolated two-wire transmitter includes a regulated d.c. power supply having an astable multivibrator which generates isolated power supplies and input terminals which are connected to a first...
3953781 Controllable and quenchable rectifier circuit for high direct current values  
A controllable and quenchable rectifier circuit for high d.c. current values, which is fed from an alternating or three-phase current main and includes a plurality of controllable rectifier...
3950690 Fail-safe reference voltage source  
This disclosure relates to a vital type of d.c. reference voltage supply. The reference voltage supply is coupled to a suitable source of a.c. voltage. A zener diode rectifies the a.c. voltages and...
3947749 Apparatus for generating high voltage for cathode-ray tube  
A high voltage generator suitably applied to the television receiver has a secondary winding divided into three or more units of different numbers of turns by a plurality of diodes. Each secondary...
3947754 Open loop series regulated power supply  
Two AC-DC regulator circuits are disclosed which are suitable for providing a constant minimal ripple DC supply voltage in response to AC line voltages having varying peak amplitudes. Each of the...
3942094 Commutation circuit and applications thereof  
The disclosed circuit comprises a thyristor, a diode connected across the thyristor with the opposite polarity, and a commutation capacitor connected across the thyristor through a primary winding...
3936719 High voltage generator for a television receiver  
A high voltage generator comprising a high voltage generating transformer having a primary winding and first and second secondary windings, a first rectifier having one end connected to one end of...
Matches 301 - 350 out of 446 < 1 2 3 4 5 6 7 8 9 >