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Liquid container and liquid ejecting apparatus including liquid container

A technology of liquid container and spraying device, which is applied in printing and other directions, and can solve the problems of no improvement in sensitivity and decrease in sensitivity

Active Publication Date: 2012-11-28
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, in the prism provided with such a cutout portion, although the curvature of the reflection surface is greatly reduced, there is a problem that the sensitivity of detecting the liquid in the liquid container is not improved but degraded.

Method used

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  • Liquid container and liquid ejecting apparatus including liquid container
  • Liquid container and liquid ejecting apparatus including liquid container
  • Liquid container and liquid ejecting apparatus including liquid container

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0059] Hereinafter, in order to clarify the contents of the present invention described above, examples will be described in the following order.

[0060] A. The structure of inkjet printer:

[0061] B. Construction of the ink cartridge:

[0062] C. Ink detection method:

[0063] D. Variations:

[0064] D—1. The first modified example:

[0065] D-2. The second modified example:

[0066] A. The structure of inkjet printer:

[0067] figure 1 This is an explanatory diagram illustrating a schematic configuration of a liquid ejecting device, as an example of an inkjet printer equipped with an ink cartridge. As shown in the figure, the inkjet printer 10 includes: a carriage 20 that forms ink dots on printing paper 2 as a printing medium while reciprocating in the main scanning direction; a drive mechanism 30 that reciprocates the carriage 20; The press roller 40 for feeding the printing paper 2; and the maintenance mechanism 50 for maintaining normal printing. The carriage 2...

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PUM

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Abstract

A liquid chamber for a liquid ejecting apparatus includes a prism disposed on a bottom portion of the liquid chamber. The prism includes a first reflection surface having a first reflection region by which light incident on the prism from a light emitting element is reflected when liquid does not make contact with the first reflecting region. The prism includes a relief that includes a first relief surface opposed to the first reflection region. The thickness of the prism between the first reflection region and the first relief surface is substantially constant. The constant thickness of the prism between the first reflection region and the first relief surface suppresses deflection of the first reflection region, thereby improving sensitivity for the detection of liquid in the liquid chamber.

Description

technical field [0001] The present invention relates to a liquid container mounted on a liquid ejecting device for ejecting liquid and containing liquid therein. Background technique [0002] There is known a liquid ejecting device typified by a so-called inkjet printer that ejects liquid such as ink from an ejecting head. The liquid ejected from the ejection head is contained in a dedicated liquid container such as an ink cartridge, and the liquid is supplied from the liquid container to the ejection head. In addition, the liquid container is generally configured to be detachable from the liquid ejection device, so that it can be replaced with a new liquid container when the liquid inside is used up. [0003] In such a liquid ejection device, when the liquid in the liquid container is exhausted and the ejection operation is performed without liquid being supplied to the ejection head, so-called cavitation occurs, causing damage to the ejection head. Therefore, a technique...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/175
CPCB41J2/17566B41J2002/17573
Inventor 吉田淳平西原雄一
Owner SEIKO EPSON CORP
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