US Patent 7714254 Air-conditioner comprising an operating device

A climate control device (1) with a heater (5), a ventilation device (7), and with an operating device (3). The operating device includes an operating element (9) that can be switched to at least three different operating states. The operating element (9) has a first and a second electrical resistance device (11, 11″, 13, 13″), the first of which is associated with the heater (5) and the second of which is associated with the ventilation device. The electrical resistance of the two resistance devices (11, 11′, 13, 13′) can be changed simultaneously by actuating the operating element (9).