Operating device, preferably for electrical appliance, e.g. domestic appliance, has at least one distance measurement device associated with several operating fields arranged on line

摘要

The device determines the distance of a finger (22) or similar of an operator on an operating field (20) from an optical or acoustic measurement device (27) with suitable distance measurement and with a transmitter (24) and receiver (26) over a reflective transmission path and evaluates application to the operating field as an operation. At least one distance measurement device is associated with several operating fields arranged on a line. Independent claims are also included for the following: (A) an electrical appliance with an inventive operating device (B) and an arrangement of an electric glass ceramic cooker hob with an inventive operating device.