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TS File #..2

Private hospital patient with severely limited strength and dexterity.

Devices to be operated: Needs access to the nurse call system and also wants to control a television.

The patient did not have the strength to operate a standard 'light pressure' switch but could reliably move her hand. Thus an Electronic Touch Switch was used with an extension sensor mounted on a boom arm stand beside the bed. This switch is so sensitive that any contact with bare skin will activate it - no pressure is required.

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A Nurse Call Timer was adapted to interface with the existing nurse call system - so that it could be plugged into the wall as a replacement for the standard nurse call pendant.

The Electronic Touch Switch plugs into the Nurse Call Timer (Call Interface) which in turn plugs into the call system.

In order to give the patient control over a television, the ECU output from the Nurse Call Timer is connected to a scanning Television Controller.

Operation:
Brief activation's of the switch will activate the scanning Television Controller, while a longer sustained activation will trigger the nurse call alarm.

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