JPH01122942U - - Google Patents
Info
- Publication number
- JPH01122942U JPH01122942U JP1814088U JP1814088U JPH01122942U JP H01122942 U JPH01122942 U JP H01122942U JP 1814088 U JP1814088 U JP 1814088U JP 1814088 U JP1814088 U JP 1814088U JP H01122942 U JPH01122942 U JP H01122942U
- Authority
- JP
- Japan
- Prior art keywords
- discharge
- electrode
- voltage
- generating device
- applied voltage
- 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
- 230000006698 induction Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 4
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Description
第１図はこの考案に係るイオン生成装置をイオ
ン流記録ヘツドに適用した一実施例を示す断面説
明図、第２図は第１図中方向から見た矢視図、
第３図は実施例で用いられる印加電圧制御回路に
よる交流電源の電圧変化を示すグラフ図、第４図
は従来のイオン生成装置の一例を示す模式説明図
である。
符号の説明、 １１……絶縁基板、１２……ド
ライブ電極（誘導電極）、１３……絶縁層、１４
……コントロール電極（放電電極）、１６……絶
縁性薄膜、１７……交流電源、２０……印加電圧
制御回路（手段）、２１……電流検知素子（手段
）、２２……印加電圧切換回路（手段）。
FIG. 1 is a cross-sectional explanatory view showing an embodiment in which the ion generating device according to the invention is applied to an ion flow recording head, FIG. 2 is a view taken from the direction of the arrow in FIG. 1,
FIG. 3 is a graph diagram showing voltage changes of an AC power source caused by the applied voltage control circuit used in the embodiment, and FIG. 4 is a schematic explanatory diagram showing an example of a conventional ion generator. Explanation of symbols, 11... Insulating substrate, 12... Drive electrode (induction electrode), 13... Insulating layer, 14
... Control electrode (discharge electrode), 16 ... Insulating thin film, 17 ... AC power supply, 20 ... Applied voltage control circuit (means), 21 ... Current detection element (means), 22 ... Applied voltage switching circuit (means).
Claims (1)
この誘導電極１２上に絶縁層１３を介して放電電
極１４を重合配置すると共に、この放電電極１４
を絶縁性薄膜１６で被覆し、上記誘導電極１２及
び放電電極１４間に交流高電圧を印加することに
より、放電電極１４周辺でイオンを生成するよう
にしたイオン生成装置において、 上記誘導電極１２と放電電極１４との間に印加
される交流高電圧を放電開始直後に放電開始電圧
から放電維持電圧に降下させる印加電圧制御手段
２０を設けたことを特徴とするイオン生成装置。 (2) 印加電圧制御手段２０は、交流電源１７、
誘導電極１２及び放電電極１４の直列回路中の初
期放電電流を検知する電流検知手段２１と、この
電流検知手段２１の検知信号に基づいて放電開始
タイミングを検知し、交流電源１７の印加電圧を
放電開始電圧から放電維持電圧に切換える印加電
圧切換手段２２とで構成されていることを特徴と
する請求項１記載のイオン生成装置。[Claims for Utility Model Registration] (1) An inductive electrode 12 is arranged on an insulating substrate 11,
A discharge electrode 14 is superimposed on this induction electrode 12 via an insulating layer 13, and this discharge electrode 14
In an ion generating device, ions are generated around the discharge electrode 14 by coating the induction electrode 12 with an insulating thin film 16 and applying an AC high voltage between the induction electrode 12 and the discharge electrode 14. An ion generating device characterized by being provided with an applied voltage control means 20 that lowers the AC high voltage applied between the discharge electrode 14 from the discharge starting voltage to the discharge sustaining voltage immediately after the start of discharge. (2) The applied voltage control means 20 includes an AC power supply 17,
A current detection means 21 detects the initial discharge current in the series circuit of the induction electrode 12 and the discharge electrode 14, and the discharge start timing is detected based on the detection signal of this current detection means 21, and the applied voltage of the AC power supply 17 is discharged. 2. The ion generating device according to claim 1, further comprising applied voltage switching means 22 for switching from a starting voltage to a discharge sustaining voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1814088U JPH01122942U (en) | 1988-02-16 | 1988-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1814088U JPH01122942U (en) | 1988-02-16 | 1988-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01122942U true JPH01122942U (en) | 1989-08-21 |
Family
ID=31232516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1814088U Pending JPH01122942U (en) | 1988-02-16 | 1988-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01122942U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63132268A (en) * | 1986-11-25 | 1988-06-04 | Canon Inc | Discharging device |
-
1988
- 1988-02-16 JP JP1814088U patent/JPH01122942U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63132268A (en) * | 1986-11-25 | 1988-06-04 | Canon Inc | Discharging device |
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