View source for 18476136. LIQUID EJECTION APPARATUS AND ABNORMALITY DETECTION METHOD CAPABLE OF DETECTING ABNORMALITY OF NOZZLE simplified abstract (KYOCERA Document Solutions Inc.)

=LIQUID EJECTION APPARATUS AND ABNORMALITY DETECTION METHOD CAPABLE OF DETECTING ABNORMALITY OF NOZZLE=


==Organization Name==

[[:Category:KYOCERA Document Solutions Inc.|KYOCERA Document Solutions Inc.]]


[[Category:KYOCERA Document Solutions Inc.]]

==Inventor(s)==

[[:Category:Daichi Kawano of Osaka (JP)|Daichi Kawano of Osaka (JP)]][[Category:Daichi Kawano of Osaka (JP)]]

[[:Category:Takashi Inoue of Osaka (JP)|Takashi Inoue of Osaka (JP)]][[Category:Takashi Inoue of Osaka (JP)]]

[[:Category:Keisuke Maeyama of Osaka (JP)|Keisuke Maeyama of Osaka (JP)]][[Category:Keisuke Maeyama of Osaka (JP)]]

[[:Category:Tatsuya Nakagawa of Osaka (JP)|Tatsuya Nakagawa of Osaka (JP)]][[Category:Tatsuya Nakagawa of Osaka (JP)]]

[[:Category:Satoshi Morimoto of Osaka (JP)|Satoshi Morimoto of Osaka (JP)]][[Category:Satoshi Morimoto of Osaka (JP)]]

[[:Category:Minori Yamamoto of Osaka (JP)|Minori Yamamoto of Osaka (JP)]][[Category:Minori Yamamoto of Osaka (JP)]]

==LIQUID EJECTION APPARATUS AND ABNORMALITY DETECTION METHOD CAPABLE OF DETECTING ABNORMALITY OF NOZZLE - A simplified explanation of the abstract==


This abstract first appeared for US patent application 18476136 titled 'LIQUID EJECTION APPARATUS AND ABNORMALITY DETECTION METHOD CAPABLE OF DETECTING ABNORMALITY OF NOZZLE

==Simplified Explanation==

The liquid ejection apparatus described in the abstract is a device that ejects liquid through a nozzle using a pressure chamber and a piezoelectric element. Here is a simplified explanation of the patent application:

* The apparatus includes a nozzle that ejects liquid, a pressure chamber that holds the liquid, a piezoelectric element that changes pressure in the chamber, an acquisition processing portion that measures non-ejection periods, and a restriction processing portion that restricts abnormality detection processing.

* The acquisition processing portion measures the length of non-ejection periods during image formation processing, and if the length is below a certain threshold, the restriction processing portion limits abnormality detection processing using the piezoelectric element.

Potential Applications:
- Inkjet printers
- 3D printers
- Medical devices for precise liquid dispensing

Problems Solved:
- Ensures accurate liquid ejection
- Prevents false alarms in abnormality detection

Benefits:
- Improved printing quality
- Reduced maintenance costs
- Enhanced reliability of liquid ejection

Potential Commercial Applications:
- Printing industry
- Medical equipment manufacturers
- Research institutions

Possible Prior Art:
- Piezoelectric elements used in inkjet printers
- Pressure chambers in medical devices

Unanswered Questions:
1. How does the apparatus differentiate between a true abnormality and a temporary issue causing a short non-ejection period?
2. Are there any limitations to the size or type of liquid that can be ejected using this apparatus?


==Original Abstract Submitted==

A liquid ejection apparatus includes a nozzle, a pressure chamber, a piezoelectric element, an acquisition processing portion, and a restriction processing portion. The nozzle ejects a liquid. The pressure chamber communicates with the nozzle and contains the liquid. The piezoelectric element changes a pressure in the pressure chamber in response to an input of a drive signal. When image formation processing for ejecting the liquid from the nozzle is executed based on image data, the acquisition processing portion acquires a length of a non-ejection period in which the liquid is not ejected from the nozzle, the non-ejection period being included in an execution period of the image formation processing. When the length of the non-ejection period acquired by the acquisition processing portion is less than a predetermined first threshold value, the restriction processing portion restricts abnormality detection processing for detecting an abnormality of the nozzle using the piezoelectric element.



[[Category:B41J2/045]]