Berührungslose Abtastung mit magnetoresistivem Sensor

A device for administering a fluid product includes a measuring assembly for measuring a position between spaced apart elements of the apparatus that can be moved relative to each other. The measuring assembly includes at least one magneto-resistive sensor that is fixed to a first element, such as a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	STEFFEN, BEAT
Format:	Patent
Sprache:	ger
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY ELECTRICITY HUMAN NECESSITIES HYGIENE MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MEDICAL OR VETERINARY SCIENCE PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	A device for administering a fluid product includes a measuring assembly for measuring a position between spaced apart elements of the apparatus that can be moved relative to each other. The measuring assembly includes at least one magneto-resistive sensor that is fixed to a first element, such as a casing, and is arranged opposite at least a second element, such as a sleeve, which can be moved relative to the first element. A magnetic device co-operates with the at least one sensor and is formed by a permanent magnet on the first element and a magnetized second element including a magnetic surface profile or including of a number of alternately arranged, different magnetic pole areas.