Security arrangement for ensuring access to device such as portable computer, has key unit with input and communication units to identify user before key unit accepts locking-unlocking

摘要

A key unit (11) which is arranged at preset distance from the lock unit (12) has an input unit (13) and a communication unit (14). The identification of a user is performed in the key before key unit accepts locking-unlocking. Independent claims are also included for the following: (a) Mobile communication unit; (b) Method in security arrangement for ensuring access to device or information in device.