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发明授权
CN101194265B 数字内容消费限制日期的控制方法 失效 - 权利终止

数字内容消费限制日期的控制方法
摘要：
本发明涉及一种用于控制数字内容的消费限制日期的方法，在暂时连接期间将该数字内容从分发装置(100)传送至消费设备(120)，以便在限制日期之前在该设备上消费该数字内容，该分发装置(100)具有被称为参考时钟的时钟(104)，该时钟在每一时刻的值称为真实日期。根据本发明，每次消费设备与分发装置(100)连接时，通过安全方法将包括真实日期的信号从分发装置(100)传输到消费设备(120)，以验证尚未超过消费限制日期。
摘要（英）：

This invention relates to a method for controlling the consumption limit date of a digital content which is transferred from distribution means (100) to a consuming device (120) during a temporary connection to be consumed on that device until the limit date, the distribution means (100) having a clock (104), called a reference clock, the value of which at each instant is called the true date. According to this invention, each time the consuming device connects to the distribution means (100), a signal including the true date is transmitted from the distribution means (100) to the consuming device (120) by a secured method to verify that the consumption limit date is not exceeded.

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