Measuring apparatus, charging apparatus and a magnetic resonance apparatus having a measuring apparatus and a charging method herefor

A magnetic resonance apparatus, comprising:

• a magnet;
• a patient couch for receiving a patient in a cylindrical receiving area enclosed by the magnet;
• and
• a measuring apparatus comprising:
• a charging apparatus comprising an energy buffering unit;
• a mobile sensor unit for detecting a physiological signal of the patient,
• wherein the mobile sensor comprises a sensor element and an energy storage element,
• wherein the energy storage element is configured to supply electrical energy to the sensor element in an operating mode,
• wherein the charging apparatus is configured to increase a charging state of the energy storage element in a charging process, and
• wherein the mobile sensor unit is configured to be coupled to the charging apparatus.

A charging method for charging an energy storage element of a mobile sensor unit of a measuring apparatus, comprising:

• charging the energy storage element by a charging apparatus of the measuring apparatus;
• coupling the energy storage element to the charging apparatus;
• and
• storing electrical energy in an energy buffering unit of the charging apparatus.