Measuring and testing – Gas analysis – By vibration
Reexamination Certificate
2005-07-19
2005-07-19
Williams, Hezron (Department: 2856)
Measuring and testing
Gas analysis
By vibration
C073S025020, C073S025050, C073S031050, C073S03200R, C073S653000, C073S655000, C033S345000
Reexamination Certificate
active
06918283
ABSTRACT:
An apparatus for demonstrating, investigating and observing Brownian motion and temperature of a medium, such as gas or liquid, uses a small particle which is diamagnetically suspended in the medium. The tiny magnetized particle having a known mass is levitated using a diamagnetic technique, and the displacement of the particle over time is observable, which can be used to determine a temperature of the medium. Optionally, a second particle is suspended in a vacuum but mechanically connected to the same apparatus as the first enclosure with the first particle, thereby allowing observation and measurement of non-Brownian movement of the structure, and allowing more precise observation of Brownian movement effects on the first suspended particle.
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Frantz Robert H.
Miller Rose M.
Mims Jr. David A.
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