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6859075 |
High-speed output buffer
A robust output buffer component capable of providing high quality output signals comprising a cascode module for receiving a differential signal from a differential pair module and transmitting...
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6603342 |
Light emitting element driver with low supply voltage
A light emitting element driver composed of two transistors, one ground resistor, one inductance and a single capacitor is arranged to drive an LED with a supplied voltage as low as about 0.92 V....
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6377107 |
Fast turn-off circuit arrangement
A circuit arrangement having at least one electric main switch (T 1 ) with a reference electrode (E), a control electrode (B), and a work electrode (C). A recovery diode (D 1; D 2 ) is connected...
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5781046 |
Push-and-pull driver circuit for driving an H-bridge coupled to a two-terminal inductive load
A write driver for a two-terminal inductive load comprises an H-bridge switching circuit and a push-pull driver circuit. The H-bridge switching circuit responds to a first mode to conduct a current...
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5144155 |
Power source apparatus using time sensitive switching
A power source apparatus includes a rectifier, a smoothing circuit, an output control circuit, a switching circuit and a voltage detecting circuit. The voltage detecting circuit has a smaller time...
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5075567 |
Electronic switch circuit
An electronic switch circuit generates an output signal which is alternatively brought either into a first condition or into a second condition dependent upon a voltage level of an input signal....
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5066871 |
Maximum swing cascode circuit for a bipolar charge pump
A maximum swing bipolar charge pump retains a cascode switching configuration for high breakdown. The charge pump includes a charge pump capacitor with a first plate connected to supply in the...
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4823023 |
Transistor with differentiated control switching circuit
A switching circuit is improved in efficiency by including a switching corrector circuit for feeding back reversed polarity, differentiated switching pulses to the base of the switching transistor....
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4763016 |
Feedback control device for switching off a transistor
A circuit device is provided for feedback controlling a transistor to switch off which is incorporated to a transfer circuit as the last stage thereof, and when, during the "off" phase, a current...
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4631419 |
Transistor switch and driver circuit
A switch circuit is comprised of first and second NPN transistors, the collectors of which are interconnected and the emitters of which are respectively connected to an input terminal and a...
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4623802 |
Multiple-stage gate network having independent reference voltage sources
A circuit technique for eliminating history-dependent skew and distortion of signals as they propagate through multiple gate stages in critical timing paths. It has been discovered that spurious...
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4621419 |
Automatic IC mounting process and apparatus for performing the process
An automatic IC mounting process for mounting a plurality of ICs on an upper surface of a printed circuit board in accordance with a predetermined sequence program. Each of the ICs has a plurality...
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4612452 |
Control circuit for the switching of inductive loads having a push-pull output stage
A control circuit for the switching of inductive loads which is monolithically integratable and includes an output stage having push-pull transistors. The base of each transistor of the output...
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4590389 |
Compensation circuit and method for stabilization of a circuit node by multiplication of displacement current
A compensation circuit for stabilization of a circuit node coupled to an integrated circuit substrate by a parasitic capacitance of a value C 1 has a displacement current substantially equal to C...
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4572968 |
SCR Fire sensitivity control and fire control apparatus
An SCR with a fire sensitivity control circuit connected to one of the gates to greatly reduce the sensitivity of the SCR during initial turn-on of a potential source thereacross and fire pulse...
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4568838 |
Control circuit for a semiconductor element with a control electrode
A control circuit for a semiconductor element with a control electrode includes a signal transmission circuit, in which two switching elements made conductive when a control signal is supplied from...
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4371792 |
High gain composite transistor
A composite transistor suitable for use in monolithic integrated circuits is characterized as having extremely high current gain, stable operation and low leakage current. Two vertical NPN...
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4287440 |
Proximity switching device
A proximity switching device is disclosed, which comprises an oscillating circuit including a detection coil, a signal producing circuit for producing a detection signal in response to an...
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4266100 |
Monolithically integrated semiconductor circuit
A monolithically integrated semiconductor circuit, provided for coupling arrangements having symmetrical cross points, comprising two through switching NPN transistors, and a composite circuit for...
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4223235 |
Electronic switching circuit
An electronic switching circuit for switching electrical signals from several channels towards one channel or vice versa. For switching an electrical signal selected from others, the invention...
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4194134 |
Two-terminal network comprising a transistor
A two-terminal network includes a transistor which is arranged to switch from a low-ohmic to a high-ohmic state when a predetermined value of a potential drop across a collector-emitter path of the...
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4190778 |
A.C. supplied integrated semi-conductor logic circuit
An integrated semiconductor circuit arrangement includes active and passive function elements in a semiconductor body and a high frequency a.c. voltage is used as a supply voltage for the function...
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4180748 |
Electronic solid state switching device
A switch is described comprising a diode directly connected to the base of a transistor, the diode, the transistor and the connection therebetween forming part of a signal path between input and...
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4138614 |
JFET switch circuit
JFET and bipolar transistor devices are combined into an analog signal switching circuit. A JFET acts as a switch device for controlling analog signals. The JFET gate is charged through a bipolar...
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4020364 |
Resistance read amplifier
Resistance read amplifier in which a resistor the resistance of which is to be determined is connected by an electronic selection switch to a constant-current source which at the same time switches...
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3986051 |
Signal switching apparatus
Signal switching apparatus is disclosed whereby a selected one of a plurality of supplied input signals is switched to an output terminal, including a switching circuit having plural input...
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3980901 |
Trigger pulse generator circuit
A trigger pulse generator circuit for converting an input pulse into a sharp pulse to be used as a trigger pulse is disclosed. The input pulse is applied to a first and a second switching means...
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3974401 |
System for detecting the transmission direction of a signal on a two-way transmission line
A system for detecting the transmission direction of a signal on a two-say transmission line, in which a switch is inserted in the two-way transmission line while a signal detector is connected to...
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3930170 |
Switching transistor drive apparatus
Switching transistor drive apparatus having a first transistor for receiving a signal condition, a resistance, capacitor and transformer primary for charging the capacitor when the transistor is...
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3903433 |
Television channel selector
An electronic channel selector switching system for television receivers embodied in five integrated circuit devices of two types, one device of the first type providing the functions of an up-down...
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3892983 |
Switching circuit
A switching circuit in which the signal path between a signal input and a signal output terminal includes at least two amplifier stages, the first one of which has its collector connected in a...
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3808464 |
HIGH ISOLATION R. F. SIGNAL SELECTION SWITCHES
A selection switch with high isolation between R.F. signal input terminals is achieved with a gated Schmitt trigger circuit feeding into a control NAND gate in each signal switching channel. The...
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3786278 |
ELECTRONIC SWITCHING APPARATUS
A switching circuit for enabling a selected one of a number of channels. The circuit includes a number of devices, one for each channel, each having a voltage/current characteristic with a...
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3786279 |
ADAPTIVE TRANSISTOR SWITCH
A transistor switch connecting a load to a suitable source of power with amplifying means supplying base current to the transistor switch with a voltage sensitive device, such as a diode or a...
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3780316 |
DATA DISTRIBUTION LINE ARRANGEMENT
A data distribution line arrangement with transmitting and receiving gates which are connected to a distribution line wherein the transmitting gates respectively provide data to the distribution...
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3764829 |
ADAPTIVE TRANSISTOR SWITCH
A transistor connected to a variable load and a suitable source of power to control the current through the load in response to current applied to the base of the transistor and means connected to...
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3751686 |
TELEGRAPH RELAY
A solid state telegraph relay of the dual channel type is provided in which each signal channel output is constrained to OPEN and CLOSE as a function of the differential between the strengths of...
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3742256 |
FUEL PUMP DRIVER CIRCUIT
A fuel pump driver circuit for an internal combustion engine includes a voltage supply which energizes the fuel pump through an output or switch transistor. The output transistor is turned off to...
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3735153 |
HIGH VOLTAGE SEMICONDUCTOR PULSE
High voltage transistorized pulse circuit controlling a high voltage pulse as might be applied to a piezoelectric crystal for operating a hammer or a wide line high speed printer. The dimensional...
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3612905 |
SOLID-STATE BIDIRECTIONAL SWITCHING CIRCUIT
This is a bidirectional solid-state switching circuit having DC ground isolation between the activating signal and the output. The activating signal powers an oscillator which generates an RF...
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3571623 |
TRANSISTORIZED SWITCHING CIRCUIT AND DRIVER MEANS THEREFOR
A transistorized switching circuit which employs a driver means that provides turn-on and turnoff driver signals to control input. The driver circuit provides a constant turnoff time period for the...
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3525883 |
BRIDGE AMPLIFIER CIRCUIT
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3519842 |
VOLTAGE SWITCHING DEVICE
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3458722 |
INDUSTRIAL PROCESS INSTRUMENTATION APPARATUS
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3414783 |
Electronic apparatus for high speed transistor switching
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3371228 |
Transistor electronic switch with base control stage
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3350571 |
Signal compression apparatus employing selectively enabled amplifier stages utilized in a monopulse angle-offboresight radar
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3311758 |
Transistorized broadband switch
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3299284 |
Selective electronic signal receiving and actuating device
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3239692 |
Gate circuit which uses the output signal to control bias of an input trigger circuit
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