Microelectromechanical acceleration sensor system

A microelectromechanical acceleration sensor system including a microelectromechanical acceleration sensor element for detecting acceleration values acting on the acceleration sensor element, a sigma-delta analog-to-digital converter for converting the analog output signals of the acceleration senso...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Jemili, Amin, Roewer, Falk
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY PERFORMING OPERATIONS PHYSICS TARIFF METERING APPARATUS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A microelectromechanical acceleration sensor system including a microelectromechanical acceleration sensor element for detecting acceleration values acting on the acceleration sensor element, a sigma-delta analog-to-digital converter for converting the analog output signals of the acceleration sensor element into digital output signals, and a first signal generator element and a second signal generator element. The first signal generator element is connected between the acceleration sensor element and the analog-to-digital converter and being configured to apply a predetermined signal value to the output signals of the acceleration sensor element. The signal value of the first signal generator element corresponding to an acceleration value that is greater than the average gravity acceleration, and the second signal generator element being connected in a signal processing direction downstream from the analog-to-digital converter and being configured to correct the digital output signals of the analog-to-digital converter by the signal value of the first signal generator element.