METHOD OF DEVICE FOR DETECTING EJECTION OF LIQUID AND INKJET RECORDER

Japanese Patent JP3697209

B2

PROBLEM TO BE SOLVED: To solve problems wherein a conventional detector has less detection performance of an ink drop, a small output, and therefore less reliability, a high voltage is generated to be applied in a conventional device so that the device has a safety problem.
SOLUTION: There is disclosed a liquid ejection detecting method and a device for detecting a liquid ejected from a liquid jet head. An electrode 9 is provided to a position where the liquid ejected from the liquid jet head 6 contacts the head 6. The liquid is ejected, and then the head 6 and the electrode 9 are connected with each other so that circuit is made to be a closed circuit. A value of a voltage generated on both ends of a resistor (r) by a current (i) flowing through the closed circuit is obtained. When the voltage becomes higher than a predetermined voltage, the ejection of the liquid can be detected.

JP2009262438	INKJET RECORDING MATERIAL
JP2022041430	LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARGE METHOD
JP2009116366	ELECTROPHORETIC DISPLAY AND MATERIAL

Hiroyuki Sugiyama
Hiroyuki Ishinaga
Yoshinori Misumi
Takahiro Matsui

JP2001397874A

September 21, 2005

December 27, 2001

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Canon Inc

B41J2/01; B05B1/16; B41J2/045; B41J2/055; B41J2/12; B41J2/125; B41J2/14; B41J2/165; B41J29/38; B41J29/393; G01P13/00; (IPC1-7): B41J2/01; B05B1/16; B41J2/045; B41J2/055

JP3202354A
JP3029338U

Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura

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