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Class Information
Number: 327/527
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Specific identifiable device, circuit, or system > Superconductive (e.g., cryogenic, etc.) device
Description: Subject matter including a particular circuit which operates at temperatures which are approximately absolute zero (i.e., less than or equal to 30 K) where electrical resistance becomes essentially zero.

Sub-classes under this class:

Class Number Class Name Patents
327/529 Impact ionization 6
327/528 Josephson junction 113

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8655813 Synaptic weight normalized spiking neuronal networks Feb. 18, 2014
8432163 Method for low frequency noise cancellation in magneto-resistive mixed sensors Apr. 30, 2013
7911265 Interfacing at low temperature using CMOS technology Mar. 22, 2011
7876145 Control system architecture for qubits Jan. 25, 2011
7805267 Apparatus, method and program for verification of transmission margin Sep. 28, 2010
7468630 Superconducting switching amplifier Dec. 23, 2008
7459927 Superconductive crossbar switch Dec. 2, 2008
7445845 Synthesis, spectroscopy, photophysics of multi-chromophoric ZN(II) group 8 metal complexes Nov. 4, 2008
7317345 Anti-gate leakage programmable capacitor Jan. 8, 2008
7095227 Superconducting driver circuit Aug. 22, 2006
6960929 Superconductive crossbar switch Nov. 1, 2005
6815949 Apparatus for measuring a magnetic field Nov. 9, 2004
6448767 Fast flux locked loop Sep. 10, 2002
6339526 Low voltage cutoff circuit with short circuit detection capability and method of operation thereof Jan. 15, 2002
6259309 Method and apparatus for the replacement of non-operational metal lines in DRAMS Jul. 10, 2001
6225800 Arrangement for coupling an RF-squid magnetometer to a superconductive tank circuit May. 1, 2001
6066948 Squid magnetometer having resistor-capacitor damping circuits May. 23, 2000
5952833 Programmable voltage divider and method for testing the impedance of a programmable element Sep. 14, 1999
5900730 Magnetometer using two squids May. 4, 1999
5880647 High frequency signal generator using superconducting quantum interference device Mar. 9, 1999
5867024 RF-squid with an integrated lambda-microwave resonator useful as highly sensitive magnetometer Feb. 2, 1999
5818373 Interface between superconductor and semiconductor electronic circuits using phase-shift keying coded output data format Oct. 6, 1998
5757243 High frequency system including a superconductive device and temperature controlling apparatus May. 26, 1998
5732343 Microwave harmonic mixer circuit of super conducting quantum interference device Mar. 24, 1998
5668472 Multichannel flux measuring apparatus having function for compensating interference due to crosstalk Sep. 16, 1997
5635834 SQUID detector with flux feedback coil sized and located to produce uniform feedback flux Jun. 3, 1997
5619159 Signal processing device and a method for transmitting signal Apr. 8, 1997
5545932 Superconducting switch and application to a charger for a superconducting coil Aug. 13, 1996
5532592 Squid control apparatus with non-cryogenic flux-locked loop disposed in close proximity to the squid Jul. 2, 1996
5523686 Probes for scanning SQUID magnetometers Jun. 4, 1996
5469057 Method and apparatus for extending the dynamic range of DC-squid measurements using a flux tracking loop Nov. 21, 1995
5453690 Squid magnetometer in which feedback current for a squid flux-locked-loop is conductively coupled into the input circuit of the squid Sep. 26, 1995
5434530 Superconducting semiconducting cross-bar circuit Jul. 18, 1995
5387864 Channel equalized DC squid flux-locked loop Feb. 7, 1995
5378949 Signal mixing device utilizing a superconducting strip line with superconducting weak links and two control lines Jan. 3, 1995
5376626 Magnetic field operated superconductor switch Dec. 27, 1994
5365476 Three-port Josephson memory cell for superconducting digital computer Nov. 15, 1994
5355085 Multichannel SQUID flux meter having multiplexed SQUID flux sensors Oct. 11, 1994
5355275 Current limiting device for electromagnetic coil employing gap containing superconductive shield Oct. 11, 1994
5352978 Apparatus for sensing a magnetic field with a superconductive material Oct. 4, 1994
5347168 Cryogenic electronics power supply and power sink Sep. 13, 1994
5345115 Superconducting input interface circuit for superconducting circuit Sep. 6, 1994
5343147 Method and apparatus for using stochastic excitation and a superconducting quantum interference device (SAUID) to perform wideband frequency response measurements Aug. 30, 1994
5339062 High power energy transfer system utilizing high temperature superconductors Aug. 16, 1994
5338943 Magnetic flux-enhanced control line for superconducting flux flow transistor Aug. 16, 1994
5326986 Parallel N-junction superconducting interferometer with enhanced flux-to-voltage transfer function Jul. 5, 1994
5315163 Analogic neuronal network May. 24, 1994
5298485 Superconductive logic device Mar. 29, 1994
5296749 Superconductor microelectronic devices and circuits and a method of fabricating therefor Mar. 22, 1994
5286710 Superconductive alloys having bifurcated critical current density and method of preparation Feb. 15, 1994

1 2 3 4

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