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| Number | Title | Issue Date |
| 7340699 | Analysis apparatus for semiconductor LSI circuit electrostatic discharge by calculating inter-pad voltage between pads A semiconductor integrated circuit electrostatic discharge analysis apparatus includes a resistance network generation unit generating a resistance network served as a power supply interconnect equivalent circuit in a logic cell region of a semiconductor LSI circuit... | 03/04/2008 |
| 7170960 | Instantaneous clock recovery circuit A clock recovery circuit (10) for a superconductor system that enables the phase of a system clock to be instantaneously reset without any pulse interaction. The clock recovery circuit (10) includes a Josephson transmission line oscillator loop (14 | 01/30/2007 |
| 7149497 | Radio signal receiving device The radio signal receiving device that has an input terminal for inputting an input signal and an output terminal for amplifying the signal inputted to the input terminal and then outputting the signal, comprises an insulating container comprising the input terminal... | 12/12/2006 |
| 7081370 | Silicon substrate apparatus and method of manufacturing the silicon substrate apparatus A first rectangular groove having a rectangular cross section and a second rectangular groove substantially orthogonal to the first rectangular groove and having a rectangular cross section are formed in a first silicon substrate. A third rectangular groove located ... | 07/25/2006 |
| 6922066 | Sampler and method of measuring a waveform of a current with jitters reduced In a sampler for use in measuring a waveform of an electric signal, a measurement target current is given as the electric signal to a sampler chip 11 and is also used to produce a trigger current Itr for determining measurement timing on the sampler chip. A c... | 07/26/2005 |
| 6529092 | Superconductor filter and radio transmitter-receiver A superconductor filter includes a superconductor receiver filter of a planar transmission line structure including a signal input line, a resonator element and a signal output line and configured to select a signal received from an antenna, a superconduc... | 03/04/2003 |
| 6331805 | On-chip long Josephson junction (LJJ) clock technology One aspect of the invention is directed to on-chip high-frequency, low-jitter clock circuits including long Josephson junction (LJJ) oscillators usable as clock sources. LJJ oscillators embodying the invention may be formed using either "linear" or "annul... | 12/18/2001 |
| 6078223 | Discriminator stabilized superconductor/ferroelectric thin film local oscillator A tunable local oscillator (10) with a tunable circuit (12) that includes a resonator (16) and a transistor (14) as an active element for oscillation. Tuning of the circuit (12) is achieved with an externally applied dc bias (22, 24) across coupled lines ... | 06/20/2000 |
| 5760736 | Direct X-band waveform generator X-band signals are generated from the output of a Josephson junction array which is excited by a first RF frequency waveform digitally implemented in a data stream generated by a digital waveform generator gated by a stabilized local oscillator operating ... | 06/02/1998 |
| 5757243 | High frequency system including a superconductive device and temperature controlling apparatus An effective high frequency oscillator is made of a plurality of Josephson devices. A high frequency converter as a high frequency circuit is made of the high frequency oscillator, nonlinear superconductor devices, and transmission line. Josephson devices... | 05/26/1998 |
| 5450040 | Gaussian-beam oscillator for microwave and millimeter waves A Gaussian-beam oscillator for microwave and millimeter wave comprising a negative resistance amplifier circuit which produces and amplifies a high-frequency signal, a resonator consisting of a pair of reflecting mirrors, which consist of a spherical mirr... | 09/12/1995 |
| 5339457 | Superconductive electromagnetic wave mixer and superconductive electromagnetic wave mixing apparatus employing the same The present invention relates to a superconductive electromagnetic wave mixer comprising a local-oscillator section and a receiving section, said receiving section serving as a section at which an electromagnetic wave from the local-oscillator section and... | 08/16/1994 |
| 5309117 | Superconducting ring resonator microwave oscillator for operating as a remote temperature sensor A remote temperature sensor includes a microwave oscillator which generates n output signal having a frequency which is proportional to the temperature of the environment in which it is located. The oscillator includes a relatively high transition temperat... | 05/03/1994 |
| 5289139 | Push-push ring resonator oscillator A push-push microwave oscillator has two branch oscillators fabricated of a transistor and transmission line elements extending from terminals of the transistor, and a resonator which is fabricated of an annulus of superconductor material and serves to ph... | 02/22/1994 |
| 5204641 | Conducting plane resonator stabilized oscillator A conducting plane resonator (10) is used to stabilize an oscillating means (12) typically operating at microwave frequencies. The conducting plane resonator (10) is in proximity to the oscillating means (12) and is magnetically coupled thereto. In a firs... | 04/20/1993 |
| 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 opposite end of the delay line is an open end to reflect ... | 03/02/1993 |
| 5166647 | Low-noise oscillator A low-noise oscillator has a resonant circuit for generating a signal at a desired frequency. A linear amplifier and a limiter are electrically connected to the resonant circuit at first, second and third locations. A buffer amplifier is electrically conn... | 11/24/1992 |
| 5114912 | Two-dimensional, Josephson-array, voltage-tunable, high-frequency oscillator A two-dimensional array of Josephson junctions is used as a high-frequency oscillator capable of emitting coherent power of predetermined frequencies since the geometry of the two-dimensional array allows the individual Josephson junctions to phase lock a... | 05/19/1992 |
| 4901038 | Low-noise oscillator using superconducting nonlinear element A low-noise oscillator includes a resonator constituted by a coil, a capacitor and a sustaining coil which are made of superconductivity material and maintained at a low temperature below the critical temperature; a linear amplifier which always operates ... | 02/13/1990 |
| 4754384 | Triggerable superconductive switching means, and apparatus comprising the means Disclosed is a novel switching device. In its currently preferred embodiment the device comprises a conductive path that comprises a superconductive section, with the remainder of the path being non-superconductive, means for applying a voltage across the... | 06/28/1988 |
| 4733182 | Josephson junction Q-spoiler An automatic Q-spoiler comprising at least one Josephson tunnel junction connected in an LC circuit for flow of resonant current therethrough. When in use in a system for detecting the magnetic resonance of a gyromagnetic particle system, a high energy pu... | 03/22/1988 |
| 4470023 | Coherent array of Josephson oscillators with external bias leads A coherent array of Josephson oscillators is provided. Individual hysteresis-free Josephson junctions are longitudinally arranged in a line and have such a spacing as to substantially eliminate quasiparticle interactions. To provide a common frequency of ... | 09/04/1984 |
| 4468635 | Transmission line biased coherent array of Josephson oscillators A coherent array of Josephson oscillators is provided. Individual hysteresis-free Josephson junctions are longitudinally arranged in a gap of a central conductor in a line and have such a spacing as to substantially eliminate quasiparticle interactions. T... | 08/28/1984 |
| 4344052 | Distributed array of Josephson devices with coherence Josephson devices are distributed in series in a transmission line structure in which electromagnetic waves are used to synchronize the dynamics of the Josephson devices in order to achieve coherence between the devices. Electromagnetic waves, such as osc... | 08/10/1982 |
| 4249094 | Relaxation oscillation logic in Josephson junction circuits A DC powered, self-resetting Josephson junction logic circuit relying on relaxation oscillations is described. A pair of Josephson junction gates are connected in series, a first shunt is connected in parallel with one of the gates, and a second shunt is ... | 02/03/1981 |
| 4181902 | Fluxon oscillators utilizing a ring shaped Josephson junction The fluxon oscillators for producing electromagnetic radiation having a wavelength shorter than the shortest radio waves, but longer than the longest infrared radiation, may comprise two closely spaced superconductive ring-shaped members having a ring-sha... | 01/01/1980 |
| 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 balanced transmission line. The Josephson junction is... | 09/18/1979 |
| 4117503 | Josephson interferometer structure which suppresses resonances Josephson interferometers contain inductive, capacitive and resistive components, and, as a result, such devices are subject to the presence of relatively high amplitude resonances similar to those found in in-line gases. Interferometer structures exhibit... | 09/26/1978 |
| 4081573 | Method for preparing superconductive Nb3 Sn layers on niobium surfaces for high-frequency applications A method for preparing superconductive Nb3 Sn layers on niobium surfaces for high frequency applications in which a defined reaction zone which contains a tin source and the niobium surface is formed in an open reaction chamber and sealed off t... | 03/28/1978 |
| 3978351 | Quantum interference Josephson logic devices A quantum interference Josephson junction logic device is disclosed which comprises three or more junctions connected in parallel which are capable of carrying Josephson current and includes means integral with at least one of the junctions for carrying a... | 08/31/1976 |
| 3970965 | Injection locked Josephson oscillator systems Various injection locking arrangements employing Josephson oscillators are disclosed for achieving signal amplification, frequency conversion and the detection of extremely low level signals at high frequency ranges.... | 07/20/1976 |
