| 摘要 |
A document conveying circuit for use in a facsimile system capable of manually conveying a document and supplementing for the low conveying speed of a document by means of a manual conveying method. The circuit compensates for discontinuous and irregular speed of a manual document conveying process. The inventive subject includes a first sensor for detecting a conveying distance of a document, a codec for coding the output signal from a picture signal processor and decoding the data of a memory, a memory for storing the output signal of said codec, a data processor for controlling said codec and a memory, an error indicator for indicating a speed error in response to the document conveying speed, a conveying distance detector, a first timer for controlling the second sensor controller, and a second timer for controlling the picture signal processor.
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