Method and apparatus for material indentification by means...

Details Method and apparatus for material indentification by means... Method and apparatus for material indentification by means...

2007-07-10

2007-07-10

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid level or depth gauge

Float

C073S313000

Reexamination Certificate

active

11075045

ABSTRACT:
Described is a sensor for filling level measurement using a gravitational field analysis, comprising a first and a second gravimeter unit. The measurement is effected in a contactless manner, via the container wall and without input of energy into the filling good. Thus, there is no need for a source emitting measurement rays.

REFERENCES:
patent: 3731537 (1973-05-01), Trageser
patent: 4513618 (1985-04-01), Lautzenhiser
patent: 5565665 (1996-10-01), Biglari et al.
patent: 6612171 (2003-09-01), Stephenson et al.
patent: 689 15 455 (1994-12-01), None
patent: 98/57197 (1998-12-01), None

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