Superconducting Josephson junction gyroscope apparatus

Details Superconducting Josephson junction gyroscope apparatus Superconducting Josephson junction gyroscope apparatus

1990-05-23

1991-10-22

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

324248, G01P 344

Patent

active

050584316

ABSTRACT:
A superconducting Josephson junction gyroscope for detecting rotational motion of a vehicle about an axis. A persistent current of Cooper-paired electrons travels around a thin-film superconducting ring and the phase change across a Josephson junction in the ring produces an output signal directly proportional to the rate of rotation of the platform.

REFERENCES:
patent: 3657927 (1972-04-01), Tyson
patent: 4403189 (1983-09-01), Simmonds
J. E. Zimmerman et al., "Compton Wavelength of Superconducting Electrons," hysical Review Letters, vol. 14, No. 22, May 31, 1965, pp. 887-888.

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