Double face scanner

A double-sided scanning and scanner technology, applied in the field of scanners, can solve problems such as out-of-step, vibration and noise, motor deadlock, etc.
CN1691737AActive Publication Date: 2005-11-02AVISION PRECISION IND (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
AVISION PRECISION IND (SUZHOU) CO LTD
Publication Date
2005-11-02

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Abstract

A double-faced scanner comprises first and second scan module, drive mechanism, power source and control process unit. The first scan module scan the front face of document waiting for scanning and acquire front face image of the document; second scan module scan the back face of document waiting for scanning and acquire back face image of the document. Drive mechanism drives document waiting for scanning, first and second scan module to move relatively. Power source bring along drive mechanism and output at least one feedback signal. Control unit receives a scan command and control the drive of power source to drive mechanism by the command. Control unit receives feedback signal and control first and second scan module to scan with double faces by the signal.
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Description

technical field

[0001] The present invention relates to a scanner, in particular to a duplex scanner. Background technique

[0002] With the advancement and development of science and technology, the integration and application of multi-media has become a trend. The so-called multimedia refers to data content including various data forms such as text, video, and sound. In order to display data in the form of multimedia, a variety of multimedia devices that can capture images or sounds have been developed. For image processing, scanners are one of the image capture tools that users often use. one.

[0003] Please refer to Figure 1A , which shows a block diagram of a conventional sheet-feed type single-sided scanner with a step motor. exist Figure 1A Among them, the scanner 10 includes an automatic document feeder (ADF) charge coupled device (CCD) 11 , a controller 12 , a stepping motor 13 and a roller set 14 . When the scanner 10 starts to...

Claims

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