Touch switch with a keypad

US6723937B2 · kind B2 · utility

Assignee

• Schott Glas · DE

Inventors

• Harry Englemann · Haßloch, DE
• Kurt Schaupert · Hofheim, DE

Key dates

• Filing date: Apr 10, 2002
• Grant date: Apr 20, 2004
• Expiry date: Apr 10, 2022

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04M2250/22
• WIPO field: Basic communication processes
• WIPO sector: Electrical engineering

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.