| 摘要 |
<p>A method of correcting a real-time clock of an electronic apparatus, notably a mobile telephone, in which the real-time clock operates with a first clock generator which generates a real-time clock while the electronic apparatus operates with a second clock generator which generates a system clock, which method includes the following steps: - determining the actual frequency of the real-time clock, - determining the ration V¿clock/standard? of the actual frequency of the real-time clock to the reference frequency of a standard clock, - determining the deviation time of the real-time clock per second from the difference (1-V¿clock/standard?), - determining, on the basis of the deviation time per second, a time difference dt within which the real-time clock is to be corrected by correction time difference Δt, - correcting the real time by Δt after expiration of dt.</p> |
