Lock system and apparatus having a lock system

A lock system, in particular for access authorization in a motor vehicle, having a first device which has at least two states and is embodied as a control device, such as a control device for unlocking and/or locking the car doors, the tailgate or the like, and having an associated second device which is embodied in the manner of an electronic key, an ID signal transmitter, a chip card or the like, wherein the two devices have, for their intended operation, transmitters and/or receivers for, in particular, electromagnetic signals, wherein in particular at least one of the signals transmitted between the second device and the first device is an encoded operating signal for authenticating the second device, with the result that after a positive evaluation of the transmitted operating signal when the second device is authorized it is possible to bring about a change in the state of the first device, and having a first energy store for supplying energy to the first device for the intended operation thereof as well as having a second energy store for supplying energy to the second device for the intended operation thereof, characterized in that an energy transmission means, in particular a coil of the type of an LF (Low Frequency) coil, for transmitting energy from the first energy store is assigned to the first device, in that the second device comprises a transponder such that energy can be transmitted from the first energy store to the second device by means of the energy transmission means, for the emergency operation of said second device when the second energy store is exhausted, and in that the first device is assigned an emergency battery with such a storage capacity that when the first energy store is exhausted the energy of said emergency battery is sufficient for the emergency operation of the first device with at least one one-time, in particular one repeated, change in the state of the first device.