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7268576 Superconducting qubit with a plurality of capacitive couplings  
A first qubit having a superconducting loop interrupted by a plurality of Josephson junctions is provided. Each junction interrupts a different portion of the superconducting loop and each...
7253654 Superconducting qubits having a plurality of capacitive couplings  
A first qubit having a superconducting loop interrupted by a plurality of Josephson junctions is provided. Each junction interrupts a different portion of the superconducting loop and each...
7215174 Method and apparatus for implementing a radiation hardened N-channel transistor with the use of non-radiation hardened transistors  
A non-radiation hardened N-channel transistor used in a power switching circuit functioning in a high-ionizing, radiation-dose environment. The circuit including at least one non-radiation hardened...
6967539 Low phase-noise local oscillator and method  
An oscillator to generate a low phase-noise reference signal at an oscillation frequency includes a frequency generator to generate the reference signal responsive to a control signal, and a delay...
6507234 Active timing arbitration in superconductor digital circuits  
A superconductor circuit ( 50 ) for providing active timing arbitration between SFQ pulses. The superconductor circuit ( 50 ) includes a first superconducting transmission line ( 52 ) having at...
5959483 Method for amplifying voltage in Josephon junction  
The present invention discloses a method for amplifying voltage to which a test will be given in Josephon junction having external current, and more particularly, to a method for amplifying voltage...
5389837 Superconducting flux flow digital circuits  
A NOR/inverter logic gate circuit and a flip flop circuit implemented with superconducting flux flow transistors (SFFTs). Both circuits comprise two SFFTs with feedback lines. They have extremely...
5365476 Three-port Josephson memory cell for superconducting digital computer  
A three-port Josephson memory cell has one input port (a data line) and two output ports (first and second sense lines). The memory cell receives a write enable pulse on a write line to store a bit...
5336941 Superconducting circuit and method for driving the same  
According to the present invention, there is provided a superconducting circuit including a Josephson tunnel junction 1 and a load resistor 2 connected in parallel to the Josephson tunnel junction,...
5326986 Parallel N-junction superconducting interferometer with enhanced flux-to-voltage transfer function  
A physical configuration for a parallel multi-junction superconducting quantum interference device that can be used for a variety of applications involving the detection of magnetic flux, including...
5315180 Synchronizing interface circuit between semiconductor element circuit and a Josephson junction element circuit  
In an interface circuit transferring a data signal from a semiconductor element circuit to a Josephson junction element circuit, a first unit detects a change switching of a first clock signal...
5309038 Superconducting toggle flip-flop circuit and counter circuit  
A high-speed counter capable of counting the number of randomly incoming pulses is constructed by serially connecting a plurality of toggle flip-flop circuits, each of which is activated by input...
5286710 Superconductive alloys having bifurcated critical current density and method of preparation  
A device having superconductive and resistive states including an element comprising a high temperature superconductive material having a first (high) state with a first (high) critical current...
5266844 Timing discriminator circuit and method for determining the arrival order of input signals  
The present invention is directed to systems and methods capable of analyzing a wide variety of input signal waveforms to arbitrate their arrival sequence with a high resolution. In an exemplary...
5253199 JJ-MOS read access circuit for MOS memory  
Apparatus for selecting memory cells in a MOS memory array and reading data contained therein. Superconducting Josephson junction devices switch between a superconducting and voltage gap mode for...
5227792 Superconducting analog-to-digital converter with a triple-junction reversible flip-flop bidirectional counter  
A high-performance superconducting analog-to-digital (A/D) converter providing high-speed, high-resolution A/D conversion with low power consumption. The superconducting A/D converter of the...
5191236 System and circuits using Josephson junctions  
An electronic clock has a single Josephson junction connected in parallel to a resonant circuit, which is a delay line with a matching resistance at the input end to provide series termination. The...
5070070 High temperature superconducting memory storage device and cryotron  
Binary memory storage devices and cryotrons utilizing superconducting crystals exhibiting an onset of superconductivity and a relatively weak flux exclusion at a temperature T1 and the onset of...
5019818 Superconducting analog-to-digital converter with grounded four-junction squid bidirectional counter  
A high-speed, high-resolution superconducting counting A/D converter providing greatly increased conversion speeds with a low device count. The superconducting counting A/D converter includes a...
5012243 Superconducting analog-to-digital converter with floating four-junction squid bidirectional counter  
A high-speed, high-resolution superconducting counting A/D converter providing greatly increased conversion speeds with a low device count. The superconducting counting A/D converter includes...
4983971 Josephson analog to digital converter for low-level signals  
This is a superconducting analog-to-digital converter for producing a digital output signal which is a function of an analog input signal. The analog-to-digital converter uses a...
4926067 Integrated superconducting sampling oscilloscope  
An Integrated Superconductor Sampling Oscilloscope may include a sampling gate utilizing superconductor devices such as a Josephson junction device as well as external circuitry for producing a...
4866302 Time domain reflectometer  
A circuit is provided for sampling and accurately reproducing unknown signals which could be electrical, optical, x-ray, gamma ray or particle signals with picosecond resolution. The circuit...
4823026 Apparatus and method for measurement of a signal with a sampler  
An apparatus and method for measurement of a signal with a monitor gate is disclosed. A signal to be measured is applied as an input to the monitor gate and a detection signal is generated that...
4631423 Ultra high resolution Josephson sampling technique  
A circuit is provided for sampling and accurately reproducing unknown signals with picosecond resolution, which could be electrical, optical, x-ray, gamma ray, or particle signals. The circuit...
4609831 Apparatus for transmitting energy to and from coils  
An apparatus for transmitting energy to and from superconductive coils, via a unipolar capacitor having a large capacitance. The apparatus is characterized by the use of two on-off...
4603263 Josephson pulse generator of current injection type  
A Josephson pulse generator of the current injection type is composed of a first group of N (N≥2) resistors, one end of each being connected together, the other ends of two of the N resistors...
4506166 Pulse generation circuit using at least one Josephson junction device  
A pulse generator utilizes a Josephson junction gate circuit having first and second control current paths for conducting control currents in opposite directions. An input signal applied to one of...
4501975 Josephson junction latch circuit  
A Josephson junction latch circuit is provided which has an AND gate having plural inputs and a single output. The output of the single AND gate is directly coupled to a Josephson junction flux...
4489424 Frequency divider making use of Josephson junction circuits  
A frequency divider is provided by coupling the gate current paths of a pair of Josephson junction gate circuits in parallel with the control current path of a third Josephson junction gate circuit...
4373138 Hybrid unlatching flip-flop logic element  
Described is a DC powered flip-flop logic or memory element (i.e., circuit) which comprises two Josephson junction gates J 1 and J 2 which operate individually in the latching mode. In one logic...
4336523 Superconductive switching and storage device  
A switching and storage device is described in which a superconductor is arranged in regard to a magnetic or magnetizable element so that the magnetic field of the element surrounds the...
4274015 Self-resetting Josephson digital current amplifier  
A self-resetting digital current amplifier which utilizes Josephson devices is disclosed. The basic circuit includes a pair of switchable Josephson devices connected to each other and with an...
4263603 Subminiature bore and conductor formation  
A process for forming subminiature bores through very thin layers of insulative material disposed between spaced electrical conductors permits the lining of the conductors by a further conductor of...
4227153 Pulse generator utilizing superconducting apparatus  
High power, phase coherent pulses are generated by superconducting appara which includes a superconducting cavity resonator that is pumped by a low power microwave source while being isolated from...
4168441 Picosecond pulse generator utilizing a Josephson junction  
A picosecond pulse generator for producing pulses having widths in the or of 10 -12 seconds utilizes a Josephson junction that has an external load resistor connected in shunt therewith by a...
4167791 Non-volatile information storage arrays of cryogenic pin diodes  
A semiconductor memory device exhibiting non-volatile storage characteristics is disclosed. The device comprises a storage element, maintained in a prescribed range of temperatures, which exhibits...
4164030 Film cryotron  
Disclosure is made of a film cryotron comprising a super-conductive ground plane and two superconductive electrodes arranged on said ground plane. The ground plane and electrodes are all insulated...
4144465 Self-resetting Josephson device circuit  
A self-resetting Josephson device circuit is disclosed which responds to one transition of a circuit input by producing a short output pulse, and which resets itself in response to another,...
4136290 Josephson self gating And circuit and latch circuit  
A Josephson Self Gating And circuit which is powered by pulsed or clipped alternating current and provides true and complement outputs in response to true and complement inputs is disclosed. Inputs...
4096508 Multiple junction supercurrent memory device utilizing flux vortices  
A supercurrent memory device comprises a plurality of extended Josephson junctions coupled to one another by having their weak-link layers in contact. Vortices corresponding to one logic state are...
4028714 Ultralow-power, micro-miniaturized Josephson devices having high inductance  
Superconducting devices comprising at least a pair of Josephson tunneling junctions and means for providing a large kinetic inductance interconnecting the pair of Josephson junctions are disclosed....
3953749 Binary circuitry including switching elements utilizing superconductive tunneling effects  
Two Josephson gates are connected in series to a low impedance voltage source. Each junction is bridged by a load impedance. The feed voltage is maintained in the order of the gap voltage which...
3949395 Successive-approximation analog-to-digital converter using Josephson devices  
A comparison means has plural Josephson devices each controlled by an analog input current and an opposing subtraction current. A subtraction means has a series circuit of Josephson devices...
3943383 Superconductive circuit level converter  
A binary circuit is provided having a first and second Josephson device connected in series, each of the devices exhibiting a superconductive state and a resistive state. A first circuit is...
3916432 Superconductive microstrip exhibiting negative differential resistivity  
A device capable of exhibiting negative differential electrical resistivity over a range of values of current and voltage is formed by vapor-depositing a thin layer of a material capable of...
3848259 MULTICONTROL LOGIC GATE DESIGN  
A Josephson tunnelling device with means for producing magnetic fields which intercept the device. These fields establish screening currents in the device. The field producing means includes means...
3707670 VARIABLE LOW RESISTANCE CIRCUIT WITH SUPERCONDUCTING SHUNTS  
Low resistance circuit, for use in series with superconducting component, having resistance value changeable between a low resistance and that of a superconductor below its critical temperature T c...
3600644 SUPERCONDUCTOR-NORMAL METAL CIRCUIT ELEMENTS EXHIBITING JOSEPHSON EFFECTS  
This disclosure relates to a low temperature circuit element exhibiting radio frequency or AC Josephson effects comprising a member constructed of metal capable of superconductivity at low...
3573662 WEAK-LINK SUPERCURRENT PULSE GENERATORS  
A weak-link supercurrent pulse generator includes an inductive-resistive circuit connected across an interfacial region having a finite zero voltage current characteristic of, but not limited to,...
Matches 1 - 50 out of 96 1 2 >