Ink remaining amount measuring device, ink-jet recorder comprising same, ink remaining amount measuring method, and ink cartridge
一种水平检测、喷墨记录的技术,应用在印刷等方向,能够解决噪音敏感、噪音的影响、难以检测等问题
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[0044] Hereinafter, the present invention will be described in detail with reference to the embodiments of the present invention. The following embodiments do not limit the invention in the claims, and the combination of all the features described in the embodiments is not always indispensable for the solution means of the present invention.
[0045] An ink level detection unit according to an embodiment of the present invention will be described below with reference to the accompanying drawings.
[0046] FIG. 1 shows the configuration of an ink level detection unit according to a first embodiment of the present invention. In FIG. 1, an ink level detection unit 10 includes a piezoelectric element 12 that functions as a vibrating element, provided for detachably mounted on a cartridge-type ink tank 11 on an inkjet recording apparatus (inkjet printer); An excitation pulse generating section 13 that applies an excitation pulse to this piezoelectric element 12; a sensor 14 that d...
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