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    • 3. 发明授权
    • Deflate decompressor
    • 放气解压器
    • US08125357B1
    • 2012-02-28
    • US12729816
    • 2010-03-23
    • Jason R. HamletPerry J. RobertsonLyndon G. PiersonRonald R. Olsberg
    • Jason R. HamletPerry J. RobertsonLyndon G. PiersonRonald R. Olsberg
    • H03M7/34
    • H03M7/4081H03M7/3086H03M7/4043H03M7/607
    • A deflate decompressor includes at least one decompressor unit, a memory access controller, a feedback path, and an output buffer unit. The memory access controller is coupled to the decompressor unit via a data path and includes a data buffer to receive the data stream and temporarily buffer a first portion the data stream. The memory access controller transfers fixed length data units of the data stream from the data buffer to the decompressor unit with reference to a memory pointer pointing into the memory buffer. The feedback path couples the decompressor unit to the memory access controller to feed back decrement values to the memory access controller for updating the memory pointer. The decrement values each indicate a number of bits unused by the decompressor unit when decoding the fixed length data units. The output buffer unit buffers a second portion of the data stream after decompression.
    • 放气解压缩器包括至少一个解压缩器单元,存储器存取控制器,反馈路径和输出缓冲器单元。 存储器访问控制器经由数据路径耦合到解压缩器单元,并且包括数据缓冲器以接收数据流并临时缓冲数据流的第一部分。 存储器访问控制器参考指向存储器缓冲器的存储器指针,将数据流的固定长度数据单元从数据缓冲器传送到解压缩器单元。 反馈路径将解压缩器单元耦合到存储器访问控制器,以将反馈值反馈到存储器访问控制器以更新存储器指针。 递减值分别表示解码固定长度数据单元时解压缩单元未使用的位数。 输出缓冲器单元在解压缩之后缓冲数据流的第二部分。