Method and device for measuring a path that has been covered

Details Method and device for measuring a path that has been covered Method and device for measuring a path that has been covered

2005-05-31

2005-05-31

Noori, Max (Department: 2855)

Measuring and testing

Blower, pump, and hydraulic equipment

Reexamination Certificate

active

06898968

ABSTRACT:
A displacement measuring device measures a path of a moving object that can be displaced in a direction has at least one first component that is allocated to the moveable object and a second, stationary component. The components are interlinked for the purpose of converting a movement and/or displacement of the moving object into an electrical signal. The displacement measuring device also has an evaluating device for converting the electrical signal into movement and/or position information. The displacement measuring device has a high degree of accuracy, is not susceptible to wear, is resistant to vibration, shocks, or corrosion and is economical to use in almost all media. To this end, the first component is a spring element connecting the moving object and the second component is a force-measurement device which releases an electrical signal corresponding to the force that is exerted on the spring element.

REFERENCES:
patent: 3782653 (1974-01-01), Jones
patent: 4423747 (1984-01-01), Heiser et al.
patent: 4844554 (1989-07-01), Rojecki
patent: 5038622 (1991-08-01), Tijmann
patent: 5806761 (1998-09-01), Enoki et al.
patent: 6041667 (2000-03-01), Pischinger et al.
patent: 6668639 (2003-12-01), Fong et al.
Chr. Rohrbach:Handbuch für elektrisches Messen mechanischer Grössen; 1967, Vdl—Verlag, Dusseldorf(DE) XP002156890 (pp. 448-449).

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