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1. 发明授权

US5293634A System for retrieving token having a selected nest level and satisfying predetermined retrieval condition 失效
标题翻译：用于检索具有所选巢级并满足预定检索条件的令牌的系统
公开(公告)号：US5293634A
公开(公告)日：1994-03-08
申请号：US634739
申请日：1990-12-27
申请人： Kousuke Takahashi , Tetsuya Yamazaki , Ryuichi Takahashi
发明人： Kousuke Takahashi , Tetsuya Yamazaki , Ryuichi Takahashi
IPC分类号： G06F17/30 , H04L29/00 , H04L29/06 , G06F13/3
CPC分类号： H04L29/00 , H04L29/06 , H04L69/06
摘要： In a token train retrieval device including a memory device (24) for memorizing a plurality of tokens as stored tokens each of which starts at a starting address and ends at an end address and each of which has a nest level selected from first through N-th nest levels and comprises a header and a data set where the header comprises a data length code and a data identifier code including a nest bit, a retrieval condition memory (25) memorizes a retrieval condition as a stored condition. Supplied with the header, a header register (26) holds the data length code, the data identifier code, and the nest bit as a held data length code, a held data identifier code, and a held nest bit. Responsive to the held data identifier code and a decided nest level, a checking circuit (27) checks whether or not the stored condition is satisfied to produce a matching signal when the stored condition is satisfied. An intra-train address generating circuit (29) generates an intra-train address variable in response to the matching signal, the held nest bit, and the held data length code. By using the intra-train address and the held data length code, an end address calculating circuit (30) calculates the end address of each token as a calculated address. By using the calculated address, the intra-train addresses, and the held nest bit, a nest level decision circuit (31) decides the decided nest level indicative of one of the first through the N-th nest levels.
摘要翻译：在令牌列车检索装置中，包括存储装置（24），用于存储多个令牌作为存储令牌，每个令牌以起始地址开始并结束于结束地址，并且每个令牌具有从第一至第N 并且包括报头和数据集，其中报头包括数据长度代码和包括嵌套位的数据标识符代码，检索条件存储器（25）存储检索条件作为存储条件。标题寄存器（26）将标题寄存器（26）保存为数据长度代码，数据标识符代码和嵌套位作为保持的数据长度代码，保存的数据标识符代码和保持的嵌套位。响应于所保持的数据标识符代码和确定的嵌套级别，当满足存储条件时，检查电路（27）检查是否满足存储条件以产生匹配信号。列车内地址生成电路（29）响应于匹配信号，保持的巢位和保持的数据长度码，生成列车内地址变量。通过使用列车内地址和保持的数据长度代码，结束地址计算电路（30）计算每个令牌的结束地址作为计算的地址。通过使用所计算的地址，列车内地址和所保持的巢位，嵌套级判定电路（31）决定表示第一到第N嵌套电平之一的所确定的嵌套电平。

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