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发明授权
US5842042A Data transfer control method for controlling transfer of data through a buffer without causing the buffer to become empty or overflow 失效
用于通过缓冲器控制数据传送而不使缓冲器变空或溢出的数据传输控制方法

Data transfer control method for controlling transfer of data through a buffer without causing the buffer to become empty or overflow
摘要：
A data transfer control system in a data transfer apparatus including a plurality of data processing units having different data transfer speeds and a temporary holding circuit provided between the data processing units for temporarily holding data transferred between the data processing units. The data transfer apparatus sends a transfer request for data corresponding to a data storage capacity of the temporary holding circuit of the data transfer apparatus to the data processing unit on the side of sending data and sends a transfer request for data corresponding to the data storage capacity of the temporary holding circuit after an elapse of a delivering time of data to an information processing unit on the data transferred side of the temporary holding circuit from the time the data transfer request is sent until the requested data from the data processing unit on the data sending side reaches the temporary holding circuit of the data transfer apparatus.
摘要（中）：

一种数据传送装置，包括具有不同数据传输速度的多个数据处理单元的数据传送控制系统和临时保持电路，该数据处理单元用于临时保存在数据处理单元之间传送的数据。 数据传送装置在发送数据一侧向数据处理单元发送与数据传送装置的临时保持电路的数据存储电容相对应的数据的传送请求，并发送与数据存储容量对应的数据的传送请求 在从发送数据传送请求之后到数据处理单元的所请求的数据到数据之后的临时保持电路的数据传输侧的信息处理单元经过数据传送时间之后，临时保持电路 发送侧到达数据传送装置的临时保持电路。

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