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4264971 |
Converter devices
The converter device transforms a changing direct signal generated by a source of direct current, into a signal whose amplitude is substantially greater than that of said changing signal, at least...
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4241395 |
Non-dissipative DC active filter and transformer
Non-dissipative filtering of a DC voltage, or current, is provided with an energy storage inductor coupled sequentially in alternate directions across the DC source. In another embodiment the...
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4224659 |
Stabilized power supply circuit
In a stabilized power supply circuit including a feedback circuit, wherein there alternately occur a time during which a current is caused to flow in a transformer so that energy is stored therein...
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4156895 |
Transistor flow through converter
A flow through converter utilizing a transistor as the switching element with its collector emitter path connected in parallel with a capacitor and a transformer which is arranged in the power...
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4144485 |
Contactless connector circuit
A contactless connector circuit for connecting two or more conductors with one another by means of reactance coupling, e.g., inductance coupling or capacitance coupling and transmitting electrical...
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4079295 |
Power supply arrangement with minimum interaction between plural loads
A source of alternating current in a power supply and deflection system of a television receiver is coupled to a primary winding of a transformer, a relatively closely coupled secondary winding of...
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4073003 |
High efficiency low-loss power supply
A synchronized power supply for use with display systems and data processing equipment in general in which information is displayed on a screen such as a cathode ray tube in which the power supply...
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4070699 |
Charging circuits using controlled magnetic fields
A circuit for charging an electrical storage device, such as a capacitor, from a source of energy via an induction coil interconnected between the source of energy and the storage device. Current...
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4031453 |
Triggered transistor switching regulator
A switched-mode power supply in which disturbing oscillations which are produced by the associated (auto) transformer are eliminated by means of a clipping circuit, a supply voltage being generated...
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4028596 |
Corona power supply circuit
A portable power supply circuit for supplying a high voltage corona in a portable electrophotographic apparatus. An A.C. signal comprising a series of pulses is produced by an oscillating circuit....
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4028606 |
Control circuit for a switched-mode power supply, particularly for a television receiver
A switched-mode power supply provided with a control stage and a switching stage coupled by means of a transformer. The collector of an additional transistor is connected to the transformer. In...
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4027200 |
High voltage generating circuit
A high voltage generating circuit for a television receiver including a flyback transformer having primary and secondary windings which are loosely coupled to achieve substantial operational...
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3986097 |
Bilateral direct current converters
Bilateral converters are disclosed which translate direct current voltages at one level to direct current voltages at another level. The same converter can also be used to translate direct current...
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3963973 |
Nonsaturating asymmetric DC/DC converter
A DC converter including a transistor switch and a transformer having first and second windings connected so that the transistor passes asymmetrical current pulses to the first winding. When the...
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3925716 |
Stable power supply
A system for producing stable direct current voltages from the horizontal output transformer of a television receiver includes an oscillator operating at the horizontal frequency to supply drive...
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3925717 |
Inductive base drive for transistor switching in DC converters
A DC voltage converter utilizing a switching transistor for switching the primary of a transformer, the transistor including an inductive base drive circuit. The transistor is initially turned on...
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3913000 |
Two-phase solid state power converter
A driven two-phase power converter such as a DC-to-AC inverter or boost converter is modified by the incorporation of a unique differential current transductor and transistor pulse drive circuit....
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3828239 |
HIGH DC VOLTAGE GENERATING CIRCUIT
A high DC voltage generating circuit is provided with an impedance element connecting a switching element with the primary winding of a fly-back transformer, and a capacitive element is connected...
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3735236 |
TV HORIZONTAL OSCILLATOR HAVING A STABILIZED AUXILIARY DC OUTPUT
A TV horizontal oscillator having an output transformer is arranged to supply a principal AC output to the horizontal deflection yoke of a picture tube. In order to provide stabilized DC voltage to...
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3725765 |
SWITCH-TYPE D.C. TO D.C. CONVERTER
A transistor coupled to a nonsaturating transformer is provided with a capacitive feedback path to form a D.C. to D.C. converter.
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3725739 |
DUAL MODE POWER SUPPLY PROTECTION CIRCUIT
An overload protection circuit for a power supply having circuitry for sensing the amount of current delivered by the supply, and for turning off the supply with a silicon controlled rectifier in...
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3671842 |
BATTERY POWERED EXPLOSIVE SYSTEM WITH RELAXATION OSCILLATION IN CHARGING CIRCUIT
An electrical system for firing an explosive bridge wire device or the like which utilizes a battery powered blocking oscillator and a transformer having its primary winding in the oscillator...
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3628047 |
NONDISSIPATIVE POWER LOSS SUPPRESSION CIRCUIT FOR TRANSISTOR CONTROLLED POWER CONVERTERS
A nondissipative power loss suppression circuit for a transistor controlled DC power converter of the type having a pair of positive and negative input terminals for connection to a source of DC...
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3621363 |
AN ARRANGEMENT FOR PREMAGNETIZING A STATIC DC CONVERTER
The invention relates to a DC converter for transforming a DC voltage to an AC voltage of high frequency and including one or several switching means to effect this operation. The invention is...
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3579094 |
VOLTAGE-GENERATING APPARATUS
Apparatus for generating a DC voltage whose amplitude is controlled in accordance with variations in the amplitude of supplied control pulses. In one embodiment a DC control signal is developed...
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3573596 |
ELECTRONIC CONVERTER FOR USE IN THE VOLTAGE TRANSFORMATION AND REGULATION OF A UNI-DIRECTIONAL VOLTAGE
An electronic converter for use in the voltage transformation and regulation of a unidirectional voltage having a controlled relaxation oscillator to which is coupled a power monostable circuit so...
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3562623 |
CIRCUIT FOR REDUCING STRAY CAPACITY EFFECTS IN TRANSFORMER WINDINGS
A transformer charging system that provides a highly efficient operation and that substantially eliminates switching transients. The high voltage or secondary winding of the transformer as well as...
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3530363 |
ARRANGEMENT FOR STABILIZING THE RECTIFIED OUTPUT VOLTAGE PULSES OF A TRANSFORMER
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3526823 |
SWITCHING REGULATOR CONTROL CIRCUIT
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3522510 |
DC TO DC CONVERTER
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3514688 |
OUTPUT-TRANSFORMERLESS STATIC INVERTER
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3443194 |
DC-TO-DC CONVERTER WITH CONTINUOUS FEED TO THE LOAD
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3443195 |
DC-TO-DC CONVERTER WITH CONTINUOUS FEED TO THE LOAD
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3434030 |
TRANSFORMER COUPLED TIME RATIO CONTROLLED CIRCUITS
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3381201 |
Pulse-actuated, d-c to d-c converter for a thermionic diode
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3376489 |
Regulated power supply
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3343061 |
Transistor circuit for developing a high voltage and including short-circuit protection means
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