An inductive sensing element for sensing displacement of a resilient flexible beam or diaphragm. The inductive sensing element comprises an open faced member and a closed faced member one of which is attachable to the flexible beam and the other of which is attachable to a stationary member. The parameters...http://www.google.fr/patents/US5524490?utm_source=gb-gplus-shareBrevet US5524490 - Inductive proximity sensor
