JPS6331938U - - Google Patents
Info
- Publication number
- JPS6331938U JPS6331938U JP12583586U JP12583586U JPS6331938U JP S6331938 U JPS6331938 U JP S6331938U JP 12583586 U JP12583586 U JP 12583586U JP 12583586 U JP12583586 U JP 12583586U JP S6331938 U JPS6331938 U JP S6331938U
- Authority
- JP
- Japan
- Prior art keywords
- ink
- inkjet recording
- signal
- conversion element
- electro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図ａ，ｂは本考案のインクジエツト記録装
置でａはノズルの基本構造の縦断面図、ｂはａの
ノズルの平面図で記録ならびに気泡検知手段のブ
ロツク図、第２図は第１図ｂの記録動作時におけ
る駆動パルス電圧波形図、第３図は第１図ｂの気
泡検知動作時におけるパルス電圧検索信号波形図
、第４図は気泡検知動作時における各種電気信号
波形図、第５図は気泡検知するためのセンサー装
置のブロツク図である。
１……ノズル、５ａ，５ｂ……インク室、８，
９，９ａ……電気―機械変換素子、１１，１２…
…駆動パルス電圧発生回路、１３……センサー装
置。
1A and 1B are inkjet recording apparatuses of the present invention; a is a vertical cross-sectional view of the basic structure of the nozzle; b is a plan view of the nozzle in a; a block diagram of the recording and bubble detection means; FIG. 2 is the same as that shown in FIG. Fig. 3 is a diagram of the drive pulse voltage waveform during the recording operation in Fig. 1b, Fig. 4 is a diagram of the pulse voltage search signal waveform during the bubble detection operation in Fig. The figure is a block diagram of a sensor device for detecting air bubbles. 1... Nozzle, 5a, 5b... Ink chamber, 8,
9, 9a...Electro-mechanical conversion element, 11, 12...
...Drive pulse voltage generation circuit, 13...Sensor device.
Claims (1)
供給路、と前記インク室に対応して配置された複
数の電気―機機変換素子で構成したノズルの前記
電気―機械変換素子に駆動パルス信号を印加し、
インク粒子１個を噴出するインクジエツト記録装
置において、前記インク粒子発生に寄与しない電
気―機械変換素子を１つのオリフイスに対応して
少なくとも１個以上配置し、前記インク粒子発生
に寄与するべき電気―機械変換素子の一部あるい
は全部に検索信号を印加し、該インク粒子発生に
寄与しない電気―機械変換素子からセンサー信号
を取り出し、該センサ信号と所定の比較信号を比
較し、その差信号により異常検知を行なう装置を
有することを特徴とするインクジエツト記録装置
。 ２ 請求の範囲第１項において、予め記憶素子へ
記憶されている情報成分を前記所定の比較信号と
して利用することを特徴とするインクジエツト記
録装置。 ３ 請求の範囲第１項において、異常検知動作時
にはインク粒子を噴出しないことを特徴とするイ
ンクジエツト記録装置。[Claims for Utility Model Registration] 1. The electro-mechanical conversion element of a nozzle comprising at least an orifice/ink chamber, an ink supply path, and a plurality of electro-mechanical conversion elements arranged corresponding to the ink chamber. Apply a driving pulse signal to
In an inkjet recording device that ejects one ink droplet, at least one electromechanical conversion element that does not contribute to the generation of the ink droplet is disposed corresponding to one orifice, and an electromechanical conversion element that should contribute to the generation of the ink droplet is arranged corresponding to one orifice. A search signal is applied to some or all of the conversion elements, a sensor signal is extracted from the electro-mechanical conversion element that does not contribute to the generation of ink particles, the sensor signal is compared with a predetermined comparison signal, and an abnormality is detected based on the difference signal. An inkjet recording device characterized by having a device for performing. 2. An inkjet recording apparatus according to claim 1, characterized in that an information component stored in a storage element in advance is used as the predetermined comparison signal. 3. An inkjet recording device according to claim 1, characterized in that ink particles are not ejected during an abnormality detection operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12583586U JPS6331938U (en) | 1986-08-20 | 1986-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12583586U JPS6331938U (en) | 1986-08-20 | 1986-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331938U true JPS6331938U (en) | 1988-03-01 |
Family
ID=31019079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12583586U Pending JPS6331938U (en) | 1986-08-20 | 1986-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011131530A (en) * | 2009-12-25 | 2011-07-07 | Seiko Epson Corp | Liquid jetting device and method for controlling the liquid jetting device |
-
1986
- 1986-08-20 JP JP12583586U patent/JPS6331938U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011131530A (en) * | 2009-12-25 | 2011-07-07 | Seiko Epson Corp | Liquid jetting device and method for controlling the liquid jetting device |
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