Droplet discharge device and droplet discharge method
An image and medium technology, applied to printing devices, typewriters, printing, etc., can solve the problem of increased processing load and achieve the effect of simple configuration
Active Publication Date: 2020-11-03
RICOH KK
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Problems solved by technology
[0004] However, in the method disclosed in Patent Document 1, since it is necessary to detect the force applied in a direction different from the direction on the surface of the medium, and judge the occurrence of floating based on this, it is not only the two sides on the surface of the medium. The calculation of the movement amount in the three-dimensional direction also needs to calculate the movement amount in the three-dimensional direction, so the processing load will increase.
Method used
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Embodiment Construction
[0034] Embodiments of the present invention will be described below with reference to the drawings.
[0035] figure 1 Shown is an example of printing by the handheld printer 10 . The handheld printer 10 can receive image data from an image data output device such as a smart device or a personal computer (PC: Personal Computer). Next, the hand-held printer 10 can scan freely on the print medium in a planar manner, that is, freehand, based on the image data, to form an image. The printing medium is, for example, a notebook or a design paper.
[0036] The handheld printer 10 detects the position by the navigation sensor 30 and the gyro sensor 17 as described later, and when the handheld printer 10 moves to the target discharge position, it discharges the ink of the color to be discharged at the target discharge position. Since the place where the ink has been ejected is shielded from being the object of ink ejection, the user can form an image by scanning the handheld printer ...
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The present invention relates to a liquid droplet ejection device and a liquid droplet ejection method, and aims to detect the floating of a hand-held printer with a simple configuration during freehand scanning of the hand-held printer. The droplet ejection device receives image data and forms an image on a medium by being scanned by a user, and includes: a head that ejects liquid droplets; a sensor that detects the amount of movement of the droplet ejection device within a predetermined period an ejection control section that performs ejection control that instructs the ejection of liquid droplets based on the image data and the amount of movement detected by the sensor, and a judgment section that judges the floating of the liquid droplet ejection device The judging unit judges floating based on the acceleration of the droplet ejection device, and the discharge control unit stops the discharge control when the judging unit judges that it is floating.
Description
technical field [0001] The present invention relates to a droplet ejection device and a droplet ejection method. Background technique [0002] Printers that feed paper and eject ink or the like at a timing when the paper reaches an image forming position to form an image are known. On the other hand, with the miniaturization of notebook computers and popularization of smart devices, there is an increasing demand for miniaturization and portability of printer devices. Thus, miniaturized hand-held printers have gradually become practical by eliminating the paper delivery system from the printer device. Since there is no paper delivery system in the handheld printer, the paper is scanned and the ink is discharged by the movement of a person on the paper. [0003] Since the handheld printer is scanned and printed by the user on the paper, when floating occurs, there will be a problem of continuous printing with the ejection position deviated. Then, Patent Document 1 discloses...
Claims
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IPC IPC(8): B41J3/36B41J2/07B41J29/393
CPCB41J3/36B41J2/07B41J29/393B41J11/0095B41J2/04586B41J2/04505B41J3/4075
Inventor 饭岛秀晃中田哲美渡边顺原田泰成细川俊彰下冈俊介
Owner RICOH KK