| 摘要 |
A method of determining an unusual behaviour of an electronic apparatus, the electronic apparatus carrying out an operation requiring the use of an item of information regarding an internal reference clock of the electronic apparatus, the method including comparing the internal reference clock information item with a span of temporal coherence of the electronic apparatus, the span of temporal coherence being determined on the basis of various temporal information items stored within the electronic apparatus; in the case of inconsistency between the internal reference clock information item and the coherence span, storing an information item relating to an unusual behaviour of the electronic apparatus. |
