JPS62101461A - Static recording head - Google Patents
Static recording headInfo
- Publication number
- JPS62101461A JPS62101461A JP24122185A JP24122185A JPS62101461A JP S62101461 A JPS62101461 A JP S62101461A JP 24122185 A JP24122185 A JP 24122185A JP 24122185 A JP24122185 A JP 24122185A JP S62101461 A JPS62101461 A JP S62101461A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- voltage
- electrodes
- power supply
- polarity
- 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
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- Dot-Matrix Printers And Others (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
Abstract
Description
【発明の詳細な説明】
イ、発明の目的
〔産業上の利用分野〕
本発明は、開孔に生じる電界を利用して画像な形成する
装置、特に電気信号により、荷電粒子が開孔を通過する
のを制御して画像を得る静電記録ヘッドに関する。Detailed Description of the Invention A. Object of the Invention [Industrial Field of Application] The present invention relates to an apparatus for forming an image by using an electric field generated in an aperture, and in particular, an apparatus for forming an image by using an electric field generated in an aperture, in particular, an apparatus for forming an image by using an electric signal to cause charged particles to pass through an aperture. The present invention relates to an electrostatic recording head that obtains images by controlling the process.
従来この種の技術としては、米国特許第3,689.9
35号明細書で提案されている。この方法は絶縁層を介
して2枚の電極を設け、これに列状に多数の孔をあけた
もの(以下アパーチャボードと呼ぶ)を利用し、このア
パーチャボードで荷電粒イの各孔通過を制御して荷電粒
子供給源と反対側に設けた被記録部材上に孔を選択的に
通過した荷電粒子を付着せしめ画像を得ようとするもの
である。Conventionally, this type of technology is disclosed in U.S. Patent No. 3,689.9.
This is proposed in Specification No. 35. This method uses an aperture board (hereinafter referred to as an aperture board) in which two electrodes are provided with an insulating layer in between and a large number of holes are drilled in a row.This aperture board allows charged particles to pass through each hole. An image is obtained by controlling the charged particles that have passed through the holes selectively to adhere to a recording member provided on the opposite side of the charged particle supply source.
即ち第4図に於て、第3電極3・第2絶縁体4・第4電
極5を積層し、第3電極3の背面には荷電粒子発生源と
して導電性シールド8に囲まれたコロナワイヤ7を配置
し、高圧直流電源1oより高電圧を印加することによっ
てコロナ放電を行わせ、第3電極3拳第4電極5間には
信号電源9より画像模様に応じた信号電圧を印加し、か
つ第4電極5と記録媒体6間には直流電源11より直流
電圧を印加し、荷電粒子の第3・第4電極、第2絶縁体
4の積層体にあけた孔16の通過を制御して記録媒体上
に静電潜像を得るものである。That is, in FIG. 4, a third electrode 3, a second insulator 4, and a fourth electrode 5 are stacked, and a corona wire surrounded by a conductive shield 8 is placed on the back of the third electrode 3 as a source of charged particles. A high voltage is applied from the high-voltage DC power source 1o to cause corona discharge, and a signal voltage corresponding to the image pattern is applied between the third electrode and the fourth electrode from the signal power source 9. A DC voltage is applied between the fourth electrode 5 and the recording medium 6 from a DC power source 11 to control the passage of charged particles through the holes 16 formed in the laminate of the third and fourth electrodes and the second insulator 4. An electrostatic latent image is obtained on a recording medium.
しかし、上述方法では荷電粒子の発生密度が低く高速度
の記録は行えない。この解決法としては特開昭59−6
8267号公報で提案されている様に、コロナワイヤ7
と第3電極3の間を近接する方法もあるが、コロナワイ
ヤ7の振動等によって開孔を通過する荷電粒子の密度が
変化したり、電極とコロナワイヤ間で火花放電現象を発
生し、実用化に到っていない。However, in the above-mentioned method, the density of generated charged particles is low and high-speed recording cannot be performed. As a solution to this problem, JP-A-59-6
As proposed in Publication No. 8267, corona wire 7
There is also a method of placing the third electrode 3 and the third electrode 3 in close proximity, but vibration of the corona wire 7 or the like may change the density of charged particles passing through the hole, or a spark discharge phenomenon may occur between the electrode and the corona wire, making it impractical for practical use. It has not yet reached the point where it has become a reality.
又荷電粒子を多量に発生する方法としては、米国特許第
4 、180.257号明細書で提案されている。A method for generating a large amount of charged particles is proposed in US Pat. No. 4,180.257.
即ち、第5図の如く(第1図と同一符号は同一機能部品
を示す)第3電極3の上面に絶縁体13・第5電極12
を配設し、かつ交流電源21より第3電極3と第5電極
12間に交流電圧を印加して、第3電極3と絶縁体13
間で放電を行わせ荷電粒子を発生し、第1図説明同様第
3・第4電極3・5で電界制御を行わせるものである。That is, as shown in FIG. 5 (the same reference numerals as in FIG. 1 indicate the same functional parts), an insulator 13 and a fifth electrode 12 are placed on the upper surface of the third electrode 3.
and applying an AC voltage between the third electrode 3 and the fifth electrode 12 from the AC power supply 21 to connect the third electrode 3 and the insulator 13.
Charged particles are generated by causing a discharge to occur between the electrodes, and the electric field is controlled by the third and fourth electrodes 3 and 5 as described in FIG.
上部後者の方式は、荷電粒イの発生密度は大幅に向上出
来、高速記録に適するが、第3電極3の損傷等によって
制御電極を交換する場合第5′市極12・第3電極3・
第4電極5.が絶縁体13・4を介し張り合わされ一体
となっている為に、それ等を全て交換しなければならず
コピーコストの増大等問題がある。The latter method can greatly improve the generation density of charged particles A and is suitable for high-speed recording, but if the control electrode is replaced due to damage to the third electrode 3, etc.
Fourth electrode5. Since they are bonded together through insulators 13 and 4, they all have to be replaced, resulting in problems such as an increase in copying costs.
本発明は、上記の欠点を除去すると同時に、名ドツト共
均−な記録濃度をIIIることが可能な装置を得ること
を1的とする。An object of the present invention is to provide an apparatus which can eliminate the above-mentioned drawbacks and at the same time achieve a uniform recording density of three dots.
口、発明の構成
〔問題点を解決するための手段〕
本発明は、第1・第2・第3・第4電極l・2φ3・5
を有し、第1電極lと網目状の第2電極2との間には第
1の誘電体又は半絶縁材料15、第30第4の電極3・
5間には第2の絶縁体4をそれぞれ介在させ、それ等第
1・第2の電極l・2を第1電極群、第3争4の電極3
・5を第2電極群とし、その二群を間隙を置いて配置し
、かつ第3電極3・第2の絶縁体4、第4電極5は開孔
16を有し、開孔16と対峙する様に記録媒体6を配置
し、第1・第2電極1−2間に電源14より直流電圧を
、第2・第3電極2・3には夫々の電源19・20から
直流電圧を印加し、さらに第4電極5と記録媒体6間に
は信号電源9から信号電圧を印加することを特徴とする
静電記録ヘッドである。Configuration of the invention [Means for solving the problem] The present invention provides first, second, third and fourth electrodes l, 2φ3, 5
A first dielectric or semi-insulating material 15 is provided between the first electrode 1 and the mesh-like second electrode 2, and a 30th fourth electrode 3.
A second insulator 4 is interposed between the electrodes 5 and 5, and the first and second electrodes 1 and 2 are connected to the first electrode group, and the third electrode 4 is connected to the electrode 3.
5 is a second electrode group, and the two groups are arranged with a gap, and the third electrode 3, the second insulator 4, and the fourth electrode 5 have an opening 16 and face the opening 16. Arrange the recording medium 6 so that This electrostatic recording head is further characterized in that a signal voltage is applied between the fourth electrode 5 and the recording medium 6 from a signal power supply 9.
第1・第2電極l・2間に誘電体15を挾み直流電圧を
印加することによって第2電極でイオン発生を行わせ、
第30第4電極3φ5でイオン制御を行わせることで、
第2電極2と第3電極3間が常に一定に保たれている為
に開孔16を通過するイオンの量が一定し、常に安定し
た記録画像が出来る。Ions are generated at the second electrode by sandwiching the dielectric 15 between the first and second electrodes 1 and 2 and applying a DC voltage,
By performing ion control with the 30th fourth electrode 3φ5,
Since the distance between the second electrode 2 and the third electrode 3 is always kept constant, the amount of ions passing through the aperture 16 is constant, and a stable recorded image can always be obtained.
また第1・第2電極1−2を第1電極群、第3・284
電極3・5を第2電極群と分割して別体に構成し、間隙
を置いて配置したから、その損傷時容易に交換可能であ
る。In addition, the first and second electrodes 1-2 are the first electrode group, and the third and second electrodes 1-2 are the first electrode group.
Since the electrodes 3 and 5 are constructed separately from the second electrode group and arranged with a gap between them, they can be easily replaced if they are damaged.
第1図は本発明の実施例で、第4図・第5図と同一符号
は同一機能部品を示す。以下各部の材料φ数値の例を挙
げて説明する。FIG. 1 shows an embodiment of the present invention, and the same reference numerals as in FIGS. 4 and 5 indicate the same functional parts. An example of the material φ value of each part will be explained below.
従来例第4図の第3電極3の1一方に第1図のように第
1電極!・第1誘電体層15・第2電極2を配置する。Conventional Example The first electrode as shown in FIG. 1 is placed on one side of the third electrode 3 in FIG. 4! - Arrange the first dielectric layer 15 and the second electrode 2.
その第1電極lは銅箔、第1誘電体層15は厚さ 40
0pLm*抵抗率3 X 109Ω−c園に調整された
Mn−Ni−0系のセラミック板を使用した。但しAl
2O3にZrO2等を楕加剤として作成することも可能
である。The first electrode l is copper foil, and the first dielectric layer 15 has a thickness of 40
A Mn-Ni-0 ceramic plate adjusted to 0 pLm*resistivity of 3 x 109 Ω-c was used. However, Al
It is also possible to create it by adding ZrO2 or the like to 2O3 as an elliptical additive.
又アルミニウム板を100−500 p、、 mに陽極
酸化させ、これに樹脂等を含浸させて抵抗値を調整させ
ることでもよい。この場合アルミニウム基板を第1電極
l、陽極酸化物を第1誘電体15としてもよい。Alternatively, the resistance value may be adjusted by anodizing an aluminum plate to 100-500 m and impregnating it with a resin or the like. In this case, the aluminum substrate may be used as the first electrode 1, and the anodic oxide may be used as the first dielectric material 15.
第2電極2としては厚さ1107Lのステンレス箔の網
目状電極を使用した。第3電極3には厚さlO#Lmの
ステンレス箔を使用し、第2絶縁体4には厚さ 100
gmのポリイミド樹脂を使用した。この第2絶縁体4に
は雲母やA 1203−Z ro2系のセラミック等、
電気的に絶縁が保たれる物であればよい。第4電極5に
は銅箔で厚さ20ILmの物を使用し、第3電極3から
第4電極5に貫通するように直NN100ILの開孔1
6を設けた。又第2電極2と第3電極3の距離が0.2
■になる様に平行に配設した。As the second electrode 2, a mesh electrode made of stainless steel foil with a thickness of 1107 L was used. A stainless steel foil with a thickness of lO#Lm is used for the third electrode 3, and a stainless steel foil with a thickness of 100 mm is used for the second insulator 4.
GM polyimide resin was used. This second insulator 4 is made of mica, A 1203-Z ro2 ceramic, etc.
Any material that maintains electrical insulation may be used. For the fourth electrode 5, a copper foil with a thickness of 20 ILm is used, and a hole 1 of NN100IL is directly inserted so as to penetrate from the third electrode 3 to the fourth electrode 5.
6 was established. Also, the distance between the second electrode 2 and the third electrode 3 is 0.2
■They were arranged in parallel so that
記録媒体6としては、静電電荷が保持出来る誘電体であ
ればよいが、本発明に於ては、直径80+wmのアルミ
ニウムシリンダ17を使用し、その表面を厚さ40#L
mになる様に陽極酸化させ、その面の空隙に紫外線硬化
性樹脂を含浸させた後硬化させた物を誘電体18として
使用した。The recording medium 6 may be any dielectric material capable of retaining electrostatic charges, but in the present invention, an aluminum cylinder 17 with a diameter of 80+wm is used, and its surface is coated with a thickness of 40#L.
The dielectric material 18 was anodized so as to have a diameter of m, impregnated with an ultraviolet curable resin in the voids on its surface, and then cured.
又記録媒体6と第4電極5の距離は0.2msになる様
に配置した。Further, the distance between the recording medium 6 and the fourth electrode 5 was set to 0.2 ms.
以りの構成にて第1電極lと第2電極2間に直がt電源
14より、第2電極2と第1誘電体15間で放電が行−
われる電圧値例えば直流電圧 1.2KVを第1電極l
プラス・第2電極2マイナスの極性に印加した。With the above configuration, a direct power source 14 is connected between the first electrode 1 and the second electrode 2, and a discharge is generated between the second electrode 2 and the first dielectric 15.
For example, a DC voltage of 1.2 KV is applied to the first electrode l.
The voltage was applied to the positive polarity of the second electrode 2 and the negative polarity.
第2電極2には第1の直流電源19より直流電圧−2K
Vを、第3電極には第2の直流電源20より直流電圧−
900v、第4電極5には信号電源9より画像模様に応
じた信号電圧として、静電荷が必要な箇所には一800
■、不必要な箇所には−ttoovの電圧印加が出来る
様になっている。The second electrode 2 is supplied with a DC voltage of -2K from the first DC power supply 19.
V, and the third electrode is supplied with a DC voltage - from the second DC power supply 20.
900V is applied to the fourth electrode 5 as a signal voltage according to the image pattern from the signal power supply 9, and 1800V is applied to the parts where static charge is required.
(2) A voltage of -ttoov can be applied to unnecessary locations.
上記例の場合の記録媒体6上面の静電潜像の極性は、マ
イナス潜像になるが、プラス潜像を作成する場合は各電
源よりの極性を全て逆にすればよい。In the above example, the polarity of the electrostatic latent image on the upper surface of the recording medium 6 is a negative latent image, but if a positive latent image is to be created, all the polarities from each power source may be reversed.
以上の構成で記録媒体6を図示されない駆動源にて周速
毎秒1801■で移動させる。電極群を通過した記録媒
体6は静電潜像が形成され、現像位置21で一般に使わ
れている粉体現像・液体現像等を使用し、着色荷電粒子
トナーで可視化される。With the above configuration, the recording medium 6 is moved at a circumferential speed of 1801 square meters per second by a drive source (not shown). An electrostatic latent image is formed on the recording medium 6 that has passed through the electrode group, and is visualized with colored charged particle toner at a development position 21 using commonly used powder development, liquid development, etc.
そのトナー像は転写位置22にてfE力転写・コロナ転
写又は熱ベルト等の手段で記録紙24−1−に転写され
る。The toner image is transferred to the recording paper 24-1- at the transfer position 22 by means such as fE force transfer, corona transfer, or a thermal belt.
転写後の記録媒体6−1−転写残りトナーはクリーニン
グ位置25でブレード・紙ウェーブ等の手段にて掻き落
としクリーニングされ、残留している不必要な電荷があ
る場合は除電装置26例えばACコロナ放電等の手段に
よって表面は均一に略0電位に保たれ再度使用される。Recording medium 6-1 after transfer - Transfer residual toner is scraped off and cleaned by means such as a blade or paper wave at a cleaning position 25, and if there is any unnecessary charge remaining, it is removed by a static eliminator 26 such as an AC corona discharge. The surface is kept uniformly at approximately zero potential by means such as the above, and then used again.
以−Lの構成に於いて、第1電極l・第2電極2を第1
電極群、第3電極3・第4電極5を第2電極群とするこ
とによって、第1電極群・第2電極群が分割することが
出来る為に、開孔部16の目詰りが有る場合、第1電極
群を取り除いて簡単に取り除くことが可能となり、第5
図の場合のように第3電極3の損傷等によって全ての電
極を交換する必要がないから、コピーコストの低下が可
能となる。In the configuration of L, the first electrode l and the second electrode 2 are
By making the electrode group, the third electrode 3 and the fourth electrode 5 into the second electrode group, the first electrode group and the second electrode group can be divided, so if the opening 16 is clogged. , the first electrode group can be removed easily, and the fifth electrode group can be easily removed by removing the first electrode group.
Since it is not necessary to replace all the electrodes due to damage to the third electrode 3 as in the case shown in the figure, copying costs can be reduced.
又第1電極lと第2電極2間では常時放電が行われ、且
コロナワイヤ等も使用していない為に振動がなく、イオ
ン発生源と電極との距離が常一定に保たれ安定した画像
が得られる。In addition, discharge is constantly occurring between the first electrode 1 and the second electrode 2, and no corona wire is used, so there is no vibration, and the distance between the ion source and the electrode is always kept constant, resulting in a stable image. is obtained.
ヌ第5図例のように第5電極12・第3電極3に高い周
波数の交流を与える必要もない為に周囲への電波障害等
もあまり考慮する必要がなく、装置本体の製造コストも
下げることが可能である。Since there is no need to apply high-frequency alternating current to the fifth electrode 12 and third electrode 3 as in the example in Figure 5, there is no need to consider radio wave interference to the surroundings, and the manufacturing cost of the device body is also reduced. Is possible.
第2図は第1図の電極群の一実施例の展開図である。FIG. 2 is a developed view of one embodiment of the electrode group shown in FIG.
第2図に於て開孔部16を記録媒体6の進行方向に対し
て1厘鳳当り16個18−1. 18−2,1B−3、
・・・16−18を斜めに配列し、1幅300 lLm
を有する第3電極3を開孔部16の数だけ3−1. 3
−2.3−3、・・・3−18の様に電気的に独立して
記録媒体の進行方向に配し、その各電極間の間隙は30
0#Lmになる様に作成した。又第3電極への直流電圧
印加は第2の直流電源20よりそれぞれ個別に独立印加
する構成とし、イオンの不必要箇所は一600V、必要
な箇所は一800■が印加出来る構成とした。第4電極
5へ画像模様に応じた信号電圧を信号電源9より個別に
印加することにより、第3電極3と第4電極5の組合せ
で記録媒体6上には鮮明な静電潜像を得ることが可能と
なった。又第2電極2は200メツシユの開孔率が50
%になる様にエツチングで作成した。これはタングステ
ン線の様な金属の金網でもよい。In FIG. 2, there are 16 openings 16 per hole 18-1 in the traveling direction of the recording medium 6. 18-2, 1B-3,
...16-18 arranged diagonally, 1 width 300 lLm
The third electrode 3 having the same number of openings 16 as 3-1. 3
-2.3-3, ...3-18 are arranged electrically independently in the traveling direction of the recording medium, and the gap between each electrode is 30.
It was created to be 0#Lm. The DC voltage applied to the third electrodes was configured to be applied individually and independently from the second DC power source 20, so that 1600 V could be applied to areas where ions were not needed, and 1800 V could be applied to areas where ions were needed. By individually applying a signal voltage corresponding to the image pattern to the fourth electrode 5 from the signal power supply 9, a clear electrostatic latent image is obtained on the recording medium 6 by the combination of the third electrode 3 and the fourth electrode 5. It became possible. In addition, the second electrode 2 has a 200 mesh porosity of 50.
I made it by etching to make it %. This may be a metal wire mesh such as tungsten wire.
第3図は他の実施例で、第1誘電体15と第2電極2間
に絶縁体27を挿入し、第1電極1から第1id電体1
5を通して第2電極2へ流れるコロナ放電に寄与しない
電流を阻止し、第1誘電体15と第2電極2間での放電
を行わせる方法である。なお絶縁体27に代えて第1誘
電体15と第2電極2間に若干の間隙を設けることでも
同様な効果が得られる。FIG. 3 shows another embodiment in which an insulator 27 is inserted between the first dielectric 15 and the second electrode 2, and the first id electric material 1 is connected to the first electrode 1.
This is a method of blocking current that does not contribute to corona discharge from flowing to the second electrode 2 through the first dielectric 15 and allowing discharge to occur between the first dielectric 15 and the second electrode 2. Note that the same effect can be obtained by providing a slight gap between the first dielectric 15 and the second electrode 2 instead of the insulator 27.
なお第1図・第3図の第2電極2は第2図のような網目
状電極の一部分を表わしたものである。Note that the second electrode 2 in FIGS. 1 and 3 represents a part of the mesh electrode as shown in FIG.
また第1図において直流電源20と信号電源9とを入れ
換えても開口16内の電界の作用は同じである。Further, even if the DC power source 20 and the signal power source 9 are replaced in FIG. 1, the effect of the electric field within the opening 16 remains the same.
ハ、発明の効果
作用の項に記載したように、第1・第2電極l・2間に
直流電圧を印加して放電を行わせて第2電極2で高密度
のイオンを発生ネせ、第2電極2と第3電極3を一定間
隙に保つことと相まって開孔16を通過するイオンの量
が一定する。その間+119・20は直流電源、9は信
号電源。C. As described in the section on effects of the invention, a DC voltage is applied between the first and second electrodes 1 and 2 to cause discharge, and high-density ions are generated at the second electrode 2. Coupled with maintaining a constant gap between the second electrode 2 and the third electrode 3, the amount of ions passing through the aperture 16 is constant. Meanwhile, +119 and 20 are DC power supplies, and 9 is a signal power supply.
孔を形成する第30第4電極305間でイオン制御を行
わせるから常に安定した記録画像が得られる。Since ion control is performed between the 30th and 4th electrodes 305 that form the holes, a stable recorded image can always be obtained.
また第1電極1・2群と第2の電極3−4群は各単体に
構成され、間隙を置いて配置したから、第1電極・第2
電極群は単体で交換可能で、前記公知(第5図例)の一
体型の方式よりコピーコストを低減する。そしてイオン
ヘッドを作製する場合、一体型に於いては第2・第3φ
第4の電極の位置合せを慎重に行わなければならないが
、本発明はその手数が少なく製造での不良率を少なくす
ることが可能となった。さらに交流電圧を用いないので
、第1・第2の電極群の損傷が少ない等相まってコスト
低減の効果を有する。In addition, since the first electrodes 1 and 2 groups and the second electrodes 3-4 groups are each configured as a single unit and arranged with a gap, the first electrode and second electrode group
The electrode group can be replaced individually, which reduces copying costs compared to the previously known integrated system (example in FIG. 5). When manufacturing an ion head, in the case of an integrated type, the second and third φ
Although it is necessary to carefully align the fourth electrode, the present invention reduces the number of steps involved and makes it possible to reduce the defective rate during manufacturing. Furthermore, since no alternating current voltage is used, there is less damage to the first and second electrode groups, and this also has the effect of reducing costs.
第1図は本発明の実施例、第2図はその電極の展開斜視
図、第3図は電極の変形例、第4図φ第5図は従来例の
説明図。
lは第1電極、2は第2電極、3は第3電極、5は第4
電極、6は記録媒体、16は開孔、14へ°る解蚊
史
特開BffG2−101461 (5)==) \FIG. 1 is an embodiment of the present invention, FIG. 2 is a developed perspective view of the electrode, FIG. 3 is a modified example of the electrode, and FIG. 4 is an explanatory diagram of a conventional example. l is the first electrode, 2 is the second electrode, 3 is the third electrode, 5 is the fourth electrode
Electrode, 6 is a recording medium, 16 is an opening, 14 goes to Mosquito Elimination History Japanese Patent Publication BffG2-101461 (5)==) \
Claims (1)
網目状の第2電極間には第1の誘電体又は半絶縁材料、
第3・第4の電極間には第2の絶縁体をそれぞれ介在さ
せ、それ等第1・第2の電極を第1電極群、第3・第4
の電極を第2電極群とし、その二群を間隙を置いて配置
し、かつ第3電極・第2の絶縁体、第4電極は開孔を有
し、開孔と対峙する様に記録媒体を配置し、第1・第2
電極間には直流電圧を、第2・第3電極には夫々の電源
から直流電圧を印加し、さらに第4電極と記録媒体間に
は信号電源から信号電圧を印加することを特徴とする静
電記録ヘッド。(1) It has first, second, third, and fourth electrodes, and a first dielectric or semi-insulating material is provided between the first electrode and the mesh-like second electrode;
A second insulator is interposed between the third and fourth electrodes, and the first and second electrodes are connected to the first electrode group and the third and fourth electrodes.
The electrodes are a second electrode group, and the two groups are arranged with a gap between them, and the third electrode, the second insulator, and the fourth electrode have an aperture, and the recording medium is placed so as to face the aperture. Place the first and second
A static electricity source characterized in that a DC voltage is applied between the electrodes, a DC voltage is applied to the second and third electrodes from respective power sources, and a signal voltage is applied from a signal power source between the fourth electrode and the recording medium. Electric recording head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24122185A JPS62101461A (en) | 1985-10-28 | 1985-10-28 | Static recording head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24122185A JPS62101461A (en) | 1985-10-28 | 1985-10-28 | Static recording head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62101461A true JPS62101461A (en) | 1987-05-11 |
Family
ID=17070999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24122185A Pending JPS62101461A (en) | 1985-10-28 | 1985-10-28 | Static recording head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62101461A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0537280U (en) * | 1991-10-23 | 1993-05-21 | 中京遊技施設有限会社 | Coin lifting lift |
-
1985
- 1985-10-28 JP JP24122185A patent/JPS62101461A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0537280U (en) * | 1991-10-23 | 1993-05-21 | 中京遊技施設有限会社 | Coin lifting lift |
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