Abstract: An operating device for a household appliance includes a visual display unit, a touch-sensitive operating ring acting as a touch-sensitive operating region which is configured in a surface area of the visual display unit, and a transparent cover separate from the visual display unit and configured to cover the visual display unit. The cover has an upper side formed with a recess which is defined by a recess wall and configured as a continuous crater-like depression, when viewed as a whole, such that the recess wall in its entirety is configured in adjacent relation to the depression below a level of a surface area of the upper side. The recess wall includes an upper annular partial surface which forms a touch surface of the operating ring, and a further partial surface which adjoins the touch surface at a bottom thereof.

Abstract: A gas hob comprising a top sheet, a port, a gas burner arranged on the top sheet and releasably connected to the port, the port being configured to supply the gas burner with fuel gas, and an extraction unit configured to extract fumes, the extraction unit being retractable into the top sheet.