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Imaging equipment

An imaging device and sensor technology, applied in typewriters, printing, printing devices, etc., can solve problems such as poor accuracy and easy interference from external environmental factors, and achieve the effect of reducing tilt judgment, improving detection accuracy and printing accuracy.

Active Publication Date: 2021-08-06
珠海纳思达莱曼科技有限公司
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AI Technical Summary

Problems solved by technology

However, the calculation of skew by time difference is easily disturbed by external environmental factors and the accuracy is poor, especially for printers, portable printers, thermal printers, etc. where the transfer of printing media is manually operated.

Method used

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Embodiment Construction

[0036] In order to better understand the technical solutions of the present application, the embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0037] It should be clear that the described embodiments are only some of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0038] Terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of this application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.

[0039] It should be understood that the term "and / ...

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Abstract

The invention relates to the technical field of imaging, in particular to imaging equipment. The imaging equipment comprises a first sensor, at least two second sensors, a memory and a controller; the first sensor is arranged at the inlet end of a printing assembly, and the second sensors are arranged at the inlet end of the printing assembly and are perpendicularly arranged left and right along the conveying direction of a printing medium; the memory is used for storing a plurality of groups of preset transmission speeds and preset time differences, and the controller is electrically connected with the first sensor, the second sensors and the memory; and the controller obtains a first conveying speed of the printing medium according to a detection signal of the first sensor, and obtains a first time difference according to detection signals of the printing medium entering the second sensors on the left and right sides, and the controller compares the first conveying speed and the first time difference with the preset conveying speed and the preset time difference, and controls the printing assembly to work or stop working. Whether the printing medium is inclined or not in the printing process is judged through the double indexes of the time difference and the conveying speed, and the influence of interference of external factors on inclination judgment is reduced, so that the detection and printing precision of the imaging equipment is improved.

Description

technical field [0001] The present application relates to the field of imaging technology, and in particular to an imaging device. Background technique [0002] Print media (such as paper, film, cloth, etc.) are imaged by a print assembly of an image forming device. If the printing medium enters the printing assembly skewedly, it is easy to cause problems such as paper jams and skewed printing content. Existing printers for detecting skew basically calculate the skew of the printing medium by setting sensors on the medium inlet and outlet passages and using the time difference between the sensors on both sides. However, the calculation of skew by time difference is easily disturbed by external environmental factors and the accuracy is poor, especially for printers, portable printers, thermal printers, etc. where the transfer of printing media is manually operated. Contents of the invention [0003] The present application provides an imaging device, which aims at judging...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/32B41J2/01B41J2/47B41J3/36B41J29/38
CPCB41J2/32B41J2/01B41J2/471B41J3/36B41J29/38
Inventor 刘汉莉罗艳辉
Owner 珠海纳思达莱曼科技有限公司
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