Non-invasive sensor and method of use

Details Non-invasive sensor and method of use Non-invasive sensor and method of use

2007-02-12

2009-12-01

Van, Quang T (Department: 3742)

Electric heating

Microwave heating

With control system

C324S339000

Reexamination Certificate

active

07626149

ABSTRACT:
A method of temperature and/or composition measurement of an at least partially aqueous target (6) using a system (1) including; a transmitter and receiver mechanism (2) including one or more transmitting (3) and receiving antenna(e) (4); signal processor (5), capable of calculating the attenuation of the transmitted signal; the method including the steps of; irradiating a target (6) with a plurality of electromagnetic radiation signals including a first signal with a frequency in the microwave/UHF spectrum, and a second signal with a frequency in the radio frequency (RF) spectrum; receiving an attenuated signal transmitted though the target (6); calculating the attenuation of the transmitted signal with the signal processor (5).

REFERENCES:
patent: 4716360 (1987-12-01), Pakulis
patent: 4727311 (1988-02-01), Walker
patent: 5028929 (1991-07-01), Sand et al.
patent: 5055849 (1991-10-01), Andersson et al.
patent: 6218842 (2001-04-01), Bittar et al.
patent: 2002/0014966 (2002-02-01), Strassner et al.
patent: WO98/01747 (1998-01-01), None
patent: WO2004/055504 (2004-07-01), None

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