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5519348 Sense circuit, memory circuit, negative-resistance circuit, schmitt trigger, load circuit, level shifter, and amplifier  
A Schmitt trigger circuit has a field effect transistor coupled between a first fixed potential and an output terminal, and a variable negative resistance circuit coupled between the output...
5272399 Circuit limiting the load current of a power MOSFET  
A circuit configuration for limiting current flowing through a power MOSFET includes a voltage divider being connected between drain and source terminals of the power MOSFET and having a node at...
5003191 Emission of pulsed energy  
A circuit (FIG. 1) for generating a current impulse comprises an avalanche transistor 2 which responds to a stimulus to apply an electrical impulse to the bases of a plurality of further avalanche...
4989057 ESD protection for SOI circuits  
A floating body field effect transistor having a defined breakdown voltage, and a lower holding voltage, serves to clamp electrostatic discharge voltages to a low voltage level, thereby minimizing...
4967101 Pre-drive circuit  
A pre-drive circuit for controlling turn-on/turn-off of a MOS-type field-effect transistor via a pulse transformer has an element provided between the secondary side of the pulse transformer and...
4939995 Integrator and firing circuit for proximity fuzes  
A projectile proximity fuze firing circuit which is compatible with the rirements of both a negative supply voltage and a grounded electronic detonator. In addition, a simple and novel transistor...
4053798 Negative resistance device  
A negative resistance device formed by series-connection of a complementary pair of insulated gate type FETs (field effect transistors), the source of the FETs being connected to each other and the...
3974486 Multiplication mode bistable field effect transistor and memory utilizing same  
A novel solid state device which exhibits two-terminal negative resistance characteristics. The negative resistance characteristic may be readily shaped by external bias control, providing a wide...
3924253 Indicating system using pulsed optical techniques  
A system for indicating the state of transparency of an optical path has: at one end of the path, a light pulse generator which includes a solid state means, such as a light-emitting diode, which...
3868518 AUTOMOBILE THEFT ALARM WITH IGNITION CONTROLLED AUTOMATIC ARMING MEANS  
A vehicle alarm system adapted to provide a pulsed actuation of an audible alarm upon unauthorized entry is provided with means to automatically rearm the circuit a predetermined interval after the...
3786443 NONDESTRUCTIVE READ SEMICONDUCTOR MEMORY UTILIZING AVALANCHE BREAKDOWN  
A semiconductor memory system contains an array of two-terminal memory cells which each comprise a single junction transistor having an uncontacted base. Bit information is written into a selected...
3742383 PULSING SYSTEM  
A pulsing system is described in which a capacitor is charged until it reaches the avalanche breakdown voltage of a transistor whereupon it discharges through the transistor and the load. Included...
3699540 TWO-TERMINAL TRANSISTOR MEMORY UTILIZING COLLECTOR-BASE AVALANCHE BREAKDOWN  
A semiconductor memory cell containing a single transistor having an uncontacted base is operated as a two-terminal device with a voltage pulse circuit coupled to the collector and a conduction...
3699542 TWO-TERMINAL TRANSISTOR MEMORY UTILIZING SATURATION OPERATION  
A semiconductor memory cell containing a dual emitter transistor having an uncontacted base is operated as a two-terminal device. A voltage pulse circuit connected to the first emitter, a...
3699541 TWO-TERMINAL TRANSISTOR MEMORY UTILIZING EMITTER-BASE AVALANCHE BREAKDOWN  
A semiconductor memory cell containing a single transistor having an uncontacted base is operated as a two-terminal device with a voltage pulse circuit coupled to the collector and a conduction...
3686516 HIGH VOLTAGE PULSE GENERATOR  
A high power, fast rise time pulse is provided by a pulse generator in which a first circuit provides a relatively narrow, high peak power pulse and a second circuit provides a relatively wide,...
3665222 SHORT DURATION HIGH CURRENT PULSE GENERATOR  
A pulse modulator includes a pair of avalanche breakdown transistors connected in series, a direct current source for maintaining the avalanche transistors in their quiescent states and a...
3660822 VARIABLE BREAKDOWN STORAGE CELL WITH NEGATIVE RESISTANCE OPERATING CHARACTERISTIC  
This application discloses a storage cell which employs a single gated multi-emitter semiconductor device that exhibits a negative resistance operating characteristic. The semiconductor device is...
3621300 TRANSISTOR CIRCUIT HAVING THE PROPERTIES OF A UNIJUNCTION TRANSISTOR IN IMPROVED DEGREE  
Known unijunction transistors having two bases and an emitter electrode provide a curve of emitter current vs. voltage of emitter to base one having joined negative and positive resistance...
3611204 WIDE PULSE LOW PRF PULSE GENERATOR  
A pulse generator capable of producing wide low RPF pulses having fast rise and fall times is realized by circuits which alternately drive a bistable device. A multivibrator is periodically placed...
3604943 SPRINKLER SYSTEMS AND VARIABLE TIMING MEANS  
A programming system involving automatic water sprinkling in which one of a plurality of resistances is automatically selected for insertion in the RC (resistance-capacitance) frequency-determining...
3584240 TRIGGER PULSE CIRCUITS  
A charge storage means, such as a capacitor, and a switch, such as the emitter-to-base diode of a unijunction transistor connected across the capacitor. To prevent the capacitor from discharging...
3564296 WAVEFORM SHAPING CIRCUIT COMPRISING A UNIJUNCTION TRANSISTOR AND ZENER DIODE  
A circuit for converting an input voltage waveform having a magnitude which varies slowly with time to a substantially rectangular voltage pulse having a steep leading edge. The output pulse is...
3558923 CIRCUIT ARRANGEMENT INCLUDING TWO-VALLEY SEMICONDUCTOR DEVICE  
A two-valley semiconductor device, biased below the threshold voltage for triggering or sustaining oscillations, is triggered by input pulses to release an output that is an amplified or...
3551704 PULSE GENERATOR  
3535529 SENSITIVE LIGHT SENSOR BIASED INTO THE AVALANCHE MODE BY MEANS OF A PLURALITY OF CURRENT SOURCES  
3487338 THREE TERMINAL SEMICONDUCTOR DEVICE FOR CONVERTING AMPLITUDE MODULATED SIGNALS INTO FREQUENCY MODULATED SIGNALS  
3470500 NEGATIVE RESISTANCE NETWORK  
3466512 IMPACT AVALANCHE TRANSIT TIME DIODES WITH HETEROJUNCTION STRUCTURE  
3465174 VARIABLE SINGLE-SHOT MULTIVIBRATOR  
3438023 SYNCHRONOUS SWITCHING CIRCUIT FOR CONTROLLING THE FLASHING OPERATION OF A SIGNAL LIGHT  
3421025 HIGH-SPEED AVALANCHE SWITCHING CIRCUIT  
3388347 Dc voltage level sensing relaxation oscillator  
3383549 Sawtooth signal generator  
3381533 Rapidly starting oscillator  
3371252 Solenoid drive system  
3358187 Master dimming system for ballasts  
3349255 Delay multivibrator  
3339136 Apparatus including time controlled indicating means and constant energy discharge storage means for electrically testing for holidays in insulating coatings  
3337816 Gated unijunction transistor oscillator having improved periodicity  
3332031 Free-running gate controlled switch generator with disabling switch  
3315097 Pulse-generator using punch-throughavalanche transistor producing both pulse and step-wave outputs in response to single sweep input  
3308308 Square-wave pulse-generator employing triggered avalanche transistor and two equal-length delaylines connected thereto to provide sharp cutoff  
3304470 Negative resistance semiconductor device utilizing tunnel effect  
3293453 Negative resistance multistable circuit switching  
3290515 Controlled pulse progression circuits with complementary transistors  
3260962 Gated pulse generator with time delay  
3239723 Alternating current voltage sensor  
3238384 Two terminal triggering circuit comprising complementary transistors with one transistor having emitter operating as collector  
3233116 Control rectifiers having timing means energized in response to load effecting commutation  
Matches 1 - 50 out of 79 1 2 >