Measured value acquisition and processing unit for small...

Details Measured value acquisition and processing unit for small... Measured value acquisition and processing unit for small...

2005-02-08

2005-02-08

Pert, Evan (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

C702S060000

Reexamination Certificate

active

06853180

ABSTRACT:
The invention relates to a measured value acquisition and processing unit (5) that facilitates the acquisition and processing of very small measuring signals in the range of interfering signals, such as, for example, noise, spillovers, etc. This means that the useful values to be detected usually contain interfering portions. The inventive measured value acquisition and processing unit (5) separately acquires these interfering portions by means of a switch element (10) disposed in the area of feed of the measured signals by means of which the measuring circuit is short-circuited in such a manner that the measured signal is not coupled in but only interfering signals that might occur in the measuring circuit are detected. The inventive method provides a large range of dynamic ratio for the detection of measured values at low costs.

REFERENCES:
patent: 5128611 (1992-07-01), Konrad
patent: 6392402 (2002-05-01), Swift
patent: 37 00 368 (1988-06-01), None
patent: 44 34 318 (1996-03-01), None
patent: A-1 575 148 (1980-09-01), None

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