Surgery – Diagnostic testing – Cardiovascular
Reexamination Certificate
2007-08-30
2010-10-12
Manuel, George (Department: 3762)
Surgery
Diagnostic testing
Cardiovascular
Reexamination Certificate
active
07811234
ABSTRACT:
A remote-detection system is provided for monitoring changes in permittivity associated with physiological activity of a subject that is free to move. The system includes a source containing an oscillator configured to illuminate tissue of the subject with an electromagnetic signal beam. The system further includes a receiver configured to receive reflections of the electromagnetic signal beam from the subject. The reflections include amplitude variations indicative of motion of the illuminated tissue and amplitude variations indicative of time dependent variations in the permittivity of the illuminated tissue associated with electrical activity of the subject's heart. The system further includes a detector connected to the receiver and configured to extract from the reflected signal beam the variations in amplitude indicative of motion of the illuminated tissue or indicative of time dependent variations in the permittivity of the illuminated tissue associated with the electrical activity of the subject's heart.
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California Institute of Technology
Christie Parker & Hale LLP
Manuel George
Wieland Robert N
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