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US 2007/0176734 A1Published application
Input unit for a field device
AssigneeEndress + Hauser Process Solutions AG
InventorEugenio Da Silva Neto
Life of this patent
Estimating the term…
Abstract
An input unit for a field device, has a registering unit for an electronic identifier of a user, which enables a definite identification of the user.
Claims12
1-11. (canceled)
An input unit for a field device, comprising:
- a registering unit serving as an electronic identifier of a user, which enables a definite identification of the user;
- and
- means for connecting said registering unit to the field device.
A transmitting unit for process automation technology, to an input unit having a registering unit, comprising:
- means for storing an electronic signature of the user therein, and wirelessly transmitting the signature to said registering unit.
Dependencies are inferred from the claim text.