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3740640 |
RADAR POWER SUPPLY
A radar power supply charges a pulse network in a sequence of high frequency charging pulses. Transformation, providing isolation and voltage boost between the primary power source and the pulse...
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3733495 |
ELECTRICAL CONTROL UNIT
A device, preferably of the plug-in type, which is connected in an electrical master circuit and operates when the master circuit is energized to momentarily open and/or close a contact in an...
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3731183 |
POWER CONTROL AND PHASE ANGLE CORRECTING APPARATUS
Apparatus for controlling power and for compensating for a low power factor due to a relatively large varying inductive load. A number of branches having an inverse parallel connected pair of...
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3721886 |
BLASTING MACHINE WITH OVERVOLTAGE AND UNDERVOLTAGE PROTECTION FOR THE ENERGY STORAGE CAPACITOR
A blasting machine for firing an explosive bridge wire device or the like. The blasting machine includes a storage capacitor that is charged to an energy level within a predetermined range. The...
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3721884 |
SINGLE TRANSISTOR OSCILLATOR BLASTING DEVICE
A blasting apparatus for firing an explosive bridge wire device or the like comprising a d.c. to d.c. converter circuit that utilizes only one transistor in the oscillator portion of the circuit to...
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3721885 |
BLASTING MACHINE WITH OVERVOLTAGE AND UNDERVOLTAGE PROTECTION FOR THE ENERGY STORAGE CAPACITOR
An electrical system for firing an explosive bridge wire device or the like which includes a battery powered blocking oscillator to charge a storage capacitor, a circuit controlling the maximum...
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3711725 |
APPARATUS AND METHOD FOR RADIO-FREQUENCY PULSE GENERATION IN TUNED RADIO-FREQUENCY LOADS
This disclosure describes a radio frequency (RF) pulse generation system employing magnetic pulse compression circuits coupled through individual matching transformers into a tuned RF load. The...
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3703661 |
GENERATOR FOR DELIVERING VERY-HIGH-VOLTAGE SQUARE-TOPPED PULSES
A square-topped voltage pulse having a very fast rise time and fall time is obtained between the two terminals of a load by means of a generator comprising a first and a second voltage source which...
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3700913 |
TRIGGER TRANSFORMER FOR PULSE FORMING NETWORK
The inductor of a pulse forming network comprising a storage capacitor and inductor is provided by the secondary winding of a series-connected trigger transformer. Electromagnetic radiation is...
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3681656 |
HIGH POWER WIDE BANDWIDTH PULSE GENERATOR
A pulse generator, particularly useful for synthetic generation of microwaves, in the form of a superatmospheric gas-filled elongated tube having coaxial conductors. The outer conductor is...
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3678362 |
SOLID STATE PULSER USING PARALLEL STORAGE CAPACITORS
A solid state pulse generator that produces high current narrow pulses and includes a bank of parallel silicon controlled rectifier-capacitor combinations, designed for driving a gallium arsenide...
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3673423 |
ELECTRONIC HIGH FREQUENCY PULSE GENERATOR
An electronic high frequency pulse generator, connected to the A.C. feed mains, constituted essentially by a voltage limiter, a diode and a capacitor arranged in such a way that alternate...
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3666964 |
ENERGY STORAGE AND DISCHARGE SYSTEM
This system is for charging a plurality of capacitors connected in parallel. Only individual ones of the capacitors are discharged in accordance with the setting of a multi-position switch....
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3657555 |
VARIABLE PASSIVE VOLTAGE TRANSIENT GENERATOR
A passive generator that provides for the precise and repeatable generation f voltage transients. A portion of the supply voltage, as determined by a potentiometer, is applied to a first and second...
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3629740 |
TRANSMISSION LINE FILTER CIRCUIT
A filter circuit stage for pulse shaping having a main shield-grounded transmission line having a characteristic impedance 2Z o and a time length T terminated at both ends with legs of the same 2Z...
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3626200 |
ELECTRIC PULSE GENERATOR MEANS
A closed series circuit is composed of a plurality of circuit elements, i.e. a DC current source, an inductive reactor, a transistor. The conduction of the transistor is chosen to take place for a...
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3624422 |
CIRCUIT GENERATING HIGH VOLTAGE
A circuit for generating high voltage comprising in combination an AC power source, an RC circuit, a pair of parallel connected switching element groups each consisting of at least one switching...
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3614605 |
HOLIDAY DETECTOR UTILIZING STAGGERED CAPACITOR DISCHARGES FOR PRODUCING A FAST RISE TIME HIGH-VOLTAGE PULSE
An electrical detector operable to detect holidays or defects in insulating coatings or mastic coatings generally applied to pipelines has a portable DC power supply, a DC to DC converter, an...
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3603844 |
ELECTRONIC DELAY MULTIPERIOD INITIATING SYSTEM
A device for providing electronically delayed multiple point initiating current to electrical initiators in blasting circuits is provided. The device has a plurality of firing circuits each of...
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3587065 |
CIRCUIT ARRANGEMENT FOR GENERATING STEEP FLANKED PULSES TO A MAGNETIC MEMORY
A circuit arrangement for generating current impulses with very steep flanks, utilizing a current superimposed on that of a current impulse source connected to a time-dependently controlled voltage...
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3577017 |
RECTANGULAR PULSE MODULATOR
Discharge of a RLC network is controlled with a silicon-controlled rectifier to provide a rectangular pulse for pulsing GaAs lasers.
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3569829 |
PRECISION POWER LINE TRANSIENT GENERATOR
An electronic-testing apparatus that can be operated to simulate and apply to a circuit under test, transient voltages similar in amplitude and duration to those induced by lightning in an...
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3566150 |
IMPULSE GENERATOR CIRCUIT FOR THE CONTROL OF RECTIFIERS
Generator of an electrical impulse having a steep wavefront for extinguishing voltage controlled rectifiers including a capacitor charging circuit in parallel with the series combination of an...
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3564278 |
SQUIB CONTROL CIRCUIT
A squib control circuit for feeding a high power current pulse to a load comprising: a low peak power source of a DC voltage having a pair of output terminals across which said DC voltage appears,...
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3559788 |
SWITCHING ARRANGEMENT AND METHOD EMPLOYING COIN CONTROLLED MOTION TRANSDUCER
A switching effect is achieved by utilizing a transducer to convert motion of an inanimate object into an electrical signal. Transduction is achieved by having the moving object produce a cyclical...
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3558907 |
IMPULSE COIL SYSTEM FOR TRANSMITTING SHOCK WAVE THROUGH STATIONARY ROD
A mechanical shock signal is applied to a stationary shock-transmitting rod from an impulse coil system in which a fixed short circuited disc is connected to the bottom of the rod and has current...
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3553478 |
PULSE GENERATOR
A sweep generator in which the forward conduction of an intermittently operated positive feedback path including a transistor and a pentode is maintained by the discharge of a grounded capacitor...
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3551677 |
FIELD REVERSAL TYPE PULSE GENERATOR HAVING A SHORTING SWITCH IN THE FORM OF A PLURALITY OF PARALLEL SPARK GAPS
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3546540 |
CONTROL SYSTEM
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3541347 |
VEHICLE DETECTOR AND PULSE GENERATOR THEREFOR
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3539870 |
VACUUM TUBE ISOLATOR,CIRCUIT PROTECTOR,AND VOLTAGE REGULATOR
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3539871 |
CIRCUIT PROTECTING,GAS-TUBE,DISCHARGE INTERRUPTER
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3538383 |
MAGNETIC PULSE GENERATOR PROTECTIVE DEVICE
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3532959 |
VOLTAGE REVERSAL CONCELLATION ON SERIES CONNECTED CAPACITORS
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3530304 |
DRIVING CIRCUIT FOR IMPULSE COILS WITH CAPACITOR SHORTING SWITCH
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3530370 |
FLICKER PREVENTING CIRCUIT
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3524071 |
OSCILLATORY PULSE FORMING CIRCUIT
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3513328 |
PULSE GENERATING CIRCUIT UTILIZING AVALANCHE FIRING OF SERIES CONNECTED SCR'S
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3510676 |
PULSED POWER SUPPLY
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3509443 |
PULSE CIRCUIT FOR SUPPLYING TWO CLOSELY SPACED ELECTRIC PULSES
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3505533 |
SHIELDED HIGH VOLTAGE PULSE GENERATOR
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3505564 |
AUTOMATIC TRIGGER CIRCUIT FOR PASSIVE CLAMP SYSTEM
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3504265 |
DEVICE FOR CONVERSION OF ELECTRICAL ENERGY FROM AC TO DC AND VICE VERSA
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3504191 |
CIRCUIT ARRANGEMENT FOR CHARGING AND DISCHARGING MULTISTAGE PULSE GENERATORS
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3501646 |
MULTIPLE-STAGE HIGH-VOLTAGE IMPULSE GENERATORS HAVING A SERIES ARRAY OF SPARK GAPS IN EACH STAGE
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3496378 |
SELECTIVELY INTERCONNECTED PARALLEL CHARGE,SERIES DISCHARGE,CAPACITIVE IMPULSE VOLTAGE GENERATOR
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3484673 |
PULSE GENERATOR WITH ENERGY CONSERVING CIRCUIT
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3470454 |
ELECTRICAL GENERATORS,MORE PARTICULARLY FOR DELIVERING ELECTRICAL ENERGY IN PULSE FORM
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3465207 |
PROTECTION CIRCUIT FOR SCR PULSE GENERATOR
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3463937 |
REGENERATIVELY SWITCHED SAWTOOTH AND SQUAREWAVE GENERATOR
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