10. The controller as claimed in claim 9 , further comprising: a local energy store; a wireless communications interface; and a control device that is operable to control or minimize the power consumption of functional elements of the controller.
10. The controller as claimed in claim 9 , further comprising: a local energy store; a wireless communications interface; and a control device that is operable to control or minimize the power consumption of functional elements of the controller. 11. The controller as claimed in claim 10 , further comprising: an accelerometer system that is operable to influence the control device for controlling or minimizing the power consumption.