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Pressure sensor with improved rate-of-change compatible data output | Drucksensor mit verbesserter kompatiblen Wechselraten-Datenausgabe | Capteur de pression doté d'une sortie améliorée de données compatible avec le taux de variation

Patentnummer:EP2116812B1
IPC Hauptklasse:G01D000524
Anmelder:
Erfinder:
Anmeldung:22.04.09
Offenlegung:07.05.08
Patenterteilung:29.11.17

Abstract / Hauptanspruch
An integrated sensor implementation employs a data acquisition method for producing digital output signals that enables computing low latency, low noise, rate of pressure (or altitude etc.) change measurements. An example sensor includes a self-digitizing pressure and temperature sensor circuit that outputs a serial digital signal that varies with at least one physical parameter to which the sensor circuit is exposed. The sensor incorporates an internal sigma-delta A/D converter and digital data acquisition device that effectively time-stamps all acquired data. This time stamped data is then transmitted to an external processing resource (microprocessor) that is used to convert the self-digitized, time stamped data into low latency, low-noise proportional and rate parameter outputs having the desired engineering units for at least one physical parameter sensed. This low-latency, low noise rate of change signal may be derived without the latency penalty of digital filtering.

EP2116812B1


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