A lock (10, 40, 42, 58) for security devices 26, such as banknote dispensers, to limit access to a confined space (32, 34) within the device. A remote computer (28) exclusively controls opening of the lock (10, 40, 42, 58). A plurality of the devices may form a network controlled by the remote computer...http://www.google.fr/patents/US7382226?utm_source=gb-gplus-shareBrevet US7382226 - Device for limiting access to a confined space
