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US 6,723,937 B2Granted
Touch switch with a keypad
AssigneeSchott Glas
InventorsHarry Englemann, Kurt Schaupert
Life of this patent
Estimating the term…
Abstract
In a touch switch with a keypad 2, a tactual feedback of its operation, perceptible to the user, is said to be achieved. For this purpose a transducer 7 is provided, which upon a touching of the keypad 2 impressed a movement on the latter.
Claims17
A touch switch comprising:
- a keypad comprising a plurality of touch zones, each touch zone having a capacitive sensor for detecting when said each touch zone is touched by an operator;
- and
- a transducer imposing a movement on the keypad when the keypad is touched by an operator to provide a tactual feedback.
Dependencies are inferred from the claim text.