Micro-sensys Gmbh

Sylvo Jäger

Reinhard Jurisch

Peter Peitsch

Jürgen Tautz

The invention relates to a device () for determining a filling level of a liquid (F) in a container (B), comprising a submersible unit () having a pressure sensor unit () and a transmitter unit () configured as a radio transmitter unit, an ultrasonic transmitter unit or a light signal transmitter unit, and a float unit () having a further pressure sensor unit () and a further transmitter unit () configured as a radio transmitter unit, wherein the further pressure sensor unit () is arranged at or in a floating body () of the float unit () in such a manner that, if the float unit () is arranged in the liquid (F) for which the device () is intended to determine the filling level, the further pressure sensor unit () is arranged below the surface (O) of the liquid (F).

Device for determining a filling level of a liquid in a container

The present disclosure relates to an arrangement () for controlling an entrance hole () of a beehive () of a beehive with bees, comprising a closure element () for at least partially closing the entrance hole (). According to the present disclosure, the arrangement () comprises at least one identification unit () arrangeable or arranged on a queen bee (), a reading unit () for reading out the at least one identification unit (), wherein the reading unit () or at least one antenna unit () of the reading unit () is arrangeable or arranged at the entrance hole (), and an actuation unit (), in particular coupled with the reading unit (), for actuating the closure element (). Moreover, the present disclosure relates to a method for controlling an entrance hole () of a beehive ().

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Erfurt, Germany

Sylvo Jäger