Patent ID: 7786400
Filing Date: 2010-08-31
Classification: F24C,H03K,H05B

Abstract:
1. An operating device for operation of an electrical appliance, wherein said operating device has a cover, a portion of which comprises an operating field, wherein said operating field is uninterrupted and wherein a thickness of said cover in the vicinity of said operating field is thinner than the remainder of said cover, said operating field capable of deflection upon application of pressure by a user's finger and at least one pressure-sensitive sensor element below said operating field and coupled to said operating field, wherein said operating device is configured to operate in response to the user's finger pressing on said operating field effecting a movement of said operating field, wherein said sensor element comprises an electret microphone capsule for converting said movement of said operating field into an electrical signal for evaluation as an operation of said operating device, wherein a diaphragm of said sensor element is connected by an elastic coupling element to said operating field.