公开(公告)号：US3805025A

公开(公告)日：1974-04-16

申请号：US29804772

申请日：1972-10-16

Applicant: INT COMPUTERS LTD

Inventor： SANIGAR W

IPC: G06K7/00 ,  G06K13/06 ,  G11C19/00

CPC classification number: G06K13/06 ,  G06K7/00

Abstract: A document handling system is described in which a feed path between a document feed hopper and a reader is capable of carrying a number of documents. The feed hopper is actuated to pass documents on to the feed path normally in a continuous succession in response to read instructions and, in order to maintain an association of a fed document with that read instruction which caused it to be fed, the read instructions are passed into a nesting buffer having a number of stages. The instructions are read from one end of the buffer as the documents from the feed path respectively reach the reader. Thus, the reader always withdraws from the buffer that instruction appropriate to the document that is being read. By making the number of stages of the buffer equal to the number of documents that can be carried concurrently on the feed path it becomes possible to associate a feed-inhibit marker with the first buffer stage, so that if this stage becomes empty as a result, for example, of the exhaustion of read instructions, then feeding is halted. However, the presence of the buffer and the withdrawal of instructions under control of reading ensures that all documents arriving at the reader may be read and correctly associated each with the appropriate instruction.

Abstract translation: 描述了一种文件处理系统，其中原稿进料斗和读取器之间的进给路径能够承载多个文档。 馈送料斗被致动以响应于读取指令而将文档通常连续地传送到进给路径，并且为了保持馈送的文档与导致其被馈送的读取指令的关联，读取指令是 传递到具有多个级的嵌套缓冲器。 当来自馈送路径的文档分别到达读取器时，从缓冲器的一端读取指令。 因此，读取器总是从缓冲器中提取适合于正在读取的文档的指令。 通过使缓冲器的级数等于可以在馈送路径上同时承载的文档的数量，可以将馈送禁止标记与第一缓冲级相关联，使得如果该阶段变为空，结果 例如，读取指令的耗尽，则停止进给。 然而，缓冲器的存在和读取控制下的指令的撤销确保了到达​​读取器的所有文档可以被读取并且被正确地与每个指令相关联。