Instrument to measure the polarization of a hyperpolarized...

Details Instrument to measure the polarization of a hyperpolarized... Instrument to measure the polarization of a hyperpolarized...

2007-05-15

2007-05-15

Shrivastav, Brij B. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

C324S317000

Reexamination Certificate

active

11287108

ABSTRACT:
This invention concerns a new embodiment of the instrument to measure nuclear polarization described in U.S. Pat. No. 6,356,080.The coil, that couples the nuclear polarized substance to the electronics, has been designed not to pick up ambient electromagnetic noise. The output from the low level oscillator is passed through a Schmidt trigger to reduce noise. A local oscillator beats with the output of the low level oscillator to provide an audible output.The instrument is automated, using a microprocessor with a customized downloaded program, to control the operation of the instrument and to output the results of measurement to a liquid crystal display and, if desired, to an external computer. This computer is not necessary and the instrument can act as a stand alone.

REFERENCES:
patent: 6356080 (2002-03-01), Daniels
patent: 6867591 (2005-03-01), Nelson

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