Siemens Aktiengesellschaft

Horst Ruckdeschel

Dieter K Busch

Friedrich Harless

Wilhelm Pfander

An electro-acoustical transmitter converts electrical signals which correspond to acoustical events into mechanical vibrations which are transmitted onto the skin. The aim is to achieve a small vibrator which, insofar as possible, can be worn on the wrist, for instance, in the manner of a wristwatch. To that end, a coil is employed into which a magnetic core, resiliently mounted relative thereto for instance by a diaphragm, projects as an armature. The housing which carries both the diaphragm and the coil forms the magnetic return flux path. Thus, a miniaturization of the vibrator on the desired order is achieved. An inventive vibrator is particularly suited for the deaf.

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Forchheim, Germany

Horst Ruckdeschel