JPS626993B2 - - Google Patents
Info
- Publication number
- JPS626993B2 JPS626993B2 JP54133255A JP13325579A JPS626993B2 JP S626993 B2 JPS626993 B2 JP S626993B2 JP 54133255 A JP54133255 A JP 54133255A JP 13325579 A JP13325579 A JP 13325579A JP S626993 B2 JPS626993 B2 JP S626993B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- magnetic
- electrodes
- ink
- electrode
- 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.)
- Expired
Links
- 239000000696 magnetic material Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000011295 pitch Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001454 recorded image Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000011231 Crohn disease Diseases 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/06—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field
- B41J2/065—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field involving the preliminary making of ink protuberances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/06—Ink jet characterised by the jet generation process generating single droplets or particles on demand by electric or magnetic field
- B41J2002/061—Ejection by electric field of ink or of toner particles contained in ink
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Facsimile Heads (AREA)
Description
【発明の詳細な説明】
本発明は記録面裏側に整列された多数の記録電
極を設け、記録面表側に記録面と対向して磁性体
辺を設け、この磁性体辺上に磁力により磁性イン
クを***させ、記録電極および磁性体辺に電圧を
印加して前記***部分をクローン電気力により飛
翔もしくは泳動させて記録面上に直接画像を得る
画像記録装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a large number of recording electrodes aligned on the back side of a recording surface, a magnetic side facing the recording surface on the front side of the recording surface, and magnetic ink on the magnetic side by magnetic force. The present invention relates to an image recording apparatus in which an image is directly obtained on a recording surface by raising a recording electrode and applying a voltage to the side of a magnetic material to cause the raised portion to fly or migrate using Crohn's electric force.
本発明の目的は、高密度で品質の高い記録画像
を普通紙上に高速かつ安定に得ることである。 An object of the present invention is to rapidly and stably obtain high-density, high-quality recorded images on plain paper.
従来から複数の配線を施した記録ヘツドを用い
た装置として感熱記録装置と静電記録装置がよく
知られている。ところがこれらの記録装置はその
記録原理からして加工紙またはそれに類似した特
別な記録媒体上に記録画像を得るものであつて、
本記録装置のように直接普通紙上に記録を得るこ
とができないという根本的な相違がある。 2. Description of the Related Art Conventionally, thermal recording devices and electrostatic recording devices are well known as devices that use a recording head with a plurality of wires. However, due to the recording principle of these recording devices, images are recorded on processed paper or a special recording medium similar to it.
There is a fundamental difference in that it is not possible to directly record on plain paper as in this recording device.
また普通紙への直接記録法としては、インクジ
エツト記録法がよく知られているが、この方法に
よる装置は微細孔を有するノズルを使用するため
ノズルの高密度化、さらにそれらノズルを個別に
制御することは極めて困難である。 In addition, the inkjet recording method is well known as a method for direct recording on plain paper, but since devices using this method use nozzles with fine holes, the density of the nozzles is increased, and each nozzle must be controlled individually. This is extremely difficult.
以上のことからわれわれは、高密度で高品質の
画像を高速に普通紙上に得る記録装置として、既
に特願昭54―5091号「マトリクス制御記録装置」
の明細書により新規な手段を提案した。しかしな
がらこの技術は磁性体の記録電極上に磁力により
磁性インクの飛翔***点を形成するものであつ
て、磁力源を各々が独立した多数の複雑な記録電
極上に設置するという加工を要し、記録ヘツド作
成の歩留りを低減させる結果となる。そこで本発
明は記録電極の方には複雑な磁気的な加工を施さ
ず、比較的構造の簡単な対極に磁性インクの飛翔
***点を形成させることにより、本来の目的を達
成し、かつ記録部装置の加工効率を向上させるも
のである。 Based on the above, we have already developed the patent application No. 54-5091 ``Matrix Control Recording Device'' as a recording device that can quickly produce high-density, high-quality images on plain paper.
proposed a new means. However, this technique uses magnetic force to form flying ridges of magnetic ink on a recording electrode made of a magnetic material, and requires processing in which a magnetic force source is installed on a large number of independent and complex recording electrodes. This results in a reduction in the yield of recording head production. Therefore, the present invention achieves the original purpose by forming ridged points for flying magnetic ink on the counter electrode, which has a relatively simple structure, without performing any complicated magnetic processing on the recording electrode. This improves the processing efficiency of the device.
すなわち、本発明は、記録面の裏側に、同一平
面内に配列された多数の記録電極を有する記録ヘ
ツドを設け、記録面と対向して前記記録電極先端
列と平行に、磁化されている磁性体辺を設け、こ
の磁性体辺上に磁性インクを***させ、クーロン
電気力により磁性インクを記録面に飛翔または泳
動させて記録面上に記録を得るよう構成され、前
記磁性体辺が記録電極のピツチに対応して凹凸形
状を有することを特徴とするものであります。 That is, in the present invention, a recording head having a large number of recording electrodes arranged in the same plane is provided on the back side of a recording surface, and a magnetized magnetic head is provided opposite to the recording surface and parallel to the array of recording electrode tips. A body side is provided, magnetic ink is raised on this magnetic body side, and the magnetic ink is caused to fly or migrate to a recording surface by Coulomb electric force to obtain recording on the recording surface, and the magnetic body side is a recording electrode. It is characterized by having an uneven shape corresponding to the pitch of the surface.
そして、上記の構成により、磁性体辺上に***
されたインクは、上記凹凸形状に応じた凹凸を形
成することになり、従つて記録電極と一対一に対
応するインク***が、各々分離して形成きれるこ
とになり、対応する記録電極への電圧印加によつ
てのみ、正しくインクを飛翔させることが容易に
なる。つまり、記録のＳ／Ｎが改善される。 With the above configuration, the ink raised on the side of the magnetic material forms unevenness corresponding to the above-mentioned uneven shape, so that the ink raised in one-to-one correspondence with the recording electrode are separated from each other. The ink can be easily ejected correctly only by applying a voltage to the corresponding recording electrode. In other words, the recording S/N is improved.
以下図面とともに本発明の一実施例の詳細につ
いて説明する。 The details of one embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明の基本的構成を示す実施例であ
る。図中１は線径80μｍの銅線からなる記録電極
で、250μｍピツチで同一平面上に等間隔に多数
並べて、絶縁体樹脂２で固着して記録電極ヘツド
と称するものを作る。図中３は厚さ約20μｍの絶
縁体フイルムで記録電極ヘツド先端面に接着され
ている。このフイルムは高電圧印加時のアーク放
電防止の手段である。４は記録紙であり、前記絶
縁体フイルム３を介して記録電極ヘツドと接して
いる。基本的に記録紙の厚みは薄い方が効果的で
あり、40〜80μｍの厚みで実用化できる。５はカ
ミソリの刃状の磁性体の板で、その先端部の辺を
記録電極ピツチに合わせて凹凸形状に加工してあ
る。６は図面の奥行き方向に細長く裁断されたゴ
ム磁石で磁性体板の先端部近傍の表裏に接着され
ている。磁石６に磁性インク７を供給すると、図
の形状のように図面奥行方向に一様に均一な磁性
インクの***が磁性体辺上に形成される。なお第
１図は磁性体板５の表裏に磁石６を接着したもの
を示したが、表側だけでも同一な目的を充分果せ
るものである。次に本発明に用いる磁性インクで
あるが、これは、炭化水素オイルのような不揮発
性・低粘度・高絶縁性の媒体にマグネタイトやγ
―フエライトの超微粒子（粒径約100A゜）を分
散させて、インクの比抵抗を107〜109Ω・cm，飽
和磁化を200〜400ガウスに調整したものが最適で
あつた。磁性体板５と記録電極１の列（スタイラ
ス）とは等間隔で平行に配置されている。図中８
は各々の記録電極１に信号電圧を供給する信号源
であり、第１図の場合は記録電極には負の信号パ
ルスが印加される。９は直流電源を示し、インク
飛翔の応答性を高めるためのバイアス電圧を供給
する。 FIG. 1 shows an embodiment showing the basic configuration of the present invention. In the figure, reference numeral 1 denotes a recording electrode made of copper wire with a wire diameter of 80 μm. A large number of these electrodes are arranged at equal intervals on the same plane with a pitch of 250 μm and fixed with an insulating resin 2 to form what is called a recording electrode head. In the figure, numeral 3 is an insulating film approximately 20 μm thick that is adhered to the tip of the recording electrode head. This film is a means of preventing arc discharge when high voltage is applied. A recording paper 4 is in contact with the recording electrode head via the insulating film 3. Basically, the thinner the recording paper, the more effective it is, and a thickness of 40 to 80 μm can be put to practical use. Reference numeral 5 denotes a razor blade-shaped magnetic plate, the edge of which is processed into an uneven shape to match the pitch of the recording electrodes. Reference numeral 6 denotes a rubber magnet cut into long strips in the depth direction of the drawing, and is glued to the front and back sides of the magnetic plate near the tip. When the magnetic ink 7 is supplied to the magnet 6, a uniform ridge of magnetic ink is formed on the side of the magnetic body in the depth direction of the drawing as shown in the figure. Although FIG. 1 shows a magnetic plate 5 with magnets 6 bonded to the front and back sides, the same purpose can also be achieved with just the front side. Next is the magnetic ink used in the present invention, which is injected into a nonvolatile, low viscosity, highly insulating medium such as hydrocarbon oil with magnetite or γ.
- The most suitable ink was one in which ultrafine ferrite particles (particle size: approximately 100 A°) were dispersed, and the specific resistance of the ink was adjusted to 10 7 - 10 9 Ω·cm, and the saturation magnetization was adjusted to 200 - 400 Gauss. The magnetic plate 5 and the row of recording electrodes 1 (stylus) are arranged in parallel at equal intervals. 8 in the diagram
is a signal source that supplies a signal voltage to each recording electrode 1, and in the case of FIG. 1, a negative signal pulse is applied to the recording electrode. Reference numeral 9 indicates a DC power supply, which supplies a bias voltage to improve the responsiveness of ink flying.
いま信号電圧を印加せず、バイアス電圧だけを
印加すると磁性インクの***形状は変化し表面に
無数の小さなインクの突起が生じる。次にこのよ
うな状態で各々の選ばれた記録電極に信号源８か
らの記録信号を印加すると、前記磁性インクの小
さな突起の先端からインクが飛翔し、電圧が印加
された記録電極位置に対応する記録紙４上に記録
が得られる。この場合、記録電極１は相対的に負
極に設定したが、正極にしても、飛翔に要する総
合電圧は全く同じである。この実施例の場合、磁
性体板５の先端部の辺を記録電極ピツチに合わせ
て凹凸形状に加工してあるので、磁性インクの隆
起はこの凹凸形状にあわせて凸部に山形の***が
できる。このように加工を施した磁性体板５を用
い、前述と同様にバイアス電圧および信号電圧を
印加すると、所望の記録が得られる。このときバ
イアス電圧の値は、前述のインクの***部上に小
さな突起ができるまで高める必要はなく、より低
いバイアス電圧でも記録が得られ、さらに記録ド
ツトの形状がより均一なものが得られる。 If only a bias voltage is applied without applying a signal voltage, the shape of the ridges of the magnetic ink changes and countless small ink protrusions appear on the surface. Next, when a recording signal from the signal source 8 is applied to each selected recording electrode in this state, the ink flies from the tip of the small protrusion of the magnetic ink and corresponds to the recording electrode position where the voltage was applied. A record is obtained on the recording paper 4. In this case, the recording electrode 1 is set to a relatively negative electrode, but even if it is set to a positive electrode, the total voltage required for flight is exactly the same. In the case of this embodiment, since the side of the tip of the magnetic plate 5 is processed into an uneven shape to match the pitch of the recording electrodes, the protrusions of the magnetic ink are formed into chevron-shaped protrusions on the protrusions in accordance with the uneven shape. . By using the magnetic plate 5 processed in this manner and applying a bias voltage and a signal voltage in the same manner as described above, desired recording can be obtained. At this time, it is not necessary to increase the value of the bias voltage to such a level that a small protrusion is formed on the above-mentioned raised portion of the ink, and recording can be obtained even with a lower bias voltage, and furthermore, a more uniform shape of the recording dot can be obtained.
上記実施例では記録電極数に相当した信号回路
数が必要であつたが、次にマトリクス配線によ
り、回路部品点数を削減した実施例を示す。記録
電極ヘツドとしては上記実施例の記録電極１を多
数並べた同様の形状でかつ64本毎に規則的に電気
接続したものを用いる。次に上記実施例の磁性体
板５に相当するものを第２図に示す構成のものと
する。ここで図中１０は、直径60μｍの純鉄線に
10μｍ厚のウレタン被覆を施したもので、先端部
については予め被覆を除去したものを使用する。
この鉄線は線密度が４本／mmとなるよう、250μ
ｍピツチで一平面上に並べられている。先端近傍
に取付ける磁石は１mm厚のゴム磁石を５mm幅に切
断したものを用い、先端から0.5mmの位置に接着
する。前記鉄線は端部から32本づつ電気的に接続
して制御電極列１３とする。このように制御電極
列本体は簡易な構成であり、加工も容易で製造歩
留り率も高いものである。図中１１は磁石に磁性
インクを供給したときの***の形状を示すもので
ある。１２は各々の制御電極に信号を供給する信
号源を示すものである。制御電極への信号は記録
電極の信号とは異符号の信号を供給するもので、
例えば記録電極への信号パルスが正極パルスであ
る場合、制御電極への信号は負極パルスを印加す
る。 In the above embodiment, the number of signal circuits corresponding to the number of recording electrodes was required, but next we will show an embodiment in which the number of circuit components is reduced by matrix wiring. The recording electrode head used is one having a similar shape to that of the above embodiment in which a large number of recording electrodes 1 are arranged and electrically connected to each other regularly every 64 electrodes. Next, a structure corresponding to the magnetic plate 5 of the above embodiment is shown in FIG. Here, 10 in the figure is a pure iron wire with a diameter of 60 μm.
It is coated with urethane with a thickness of 10 μm, and the tip is used with the coating removed beforehand.
This iron wire is 250μ so that the wire density is 4 wires/mm.
They are arranged on one plane with m pitches. The magnet to be attached near the tip is a 1 mm thick rubber magnet cut into 5 mm width and glued at a position 0.5 mm from the tip. Thirty-two iron wires are electrically connected from each end to form a control electrode array 13. As described above, the control electrode array main body has a simple structure, is easy to process, and has a high manufacturing yield. In the figure, numeral 11 indicates the shape of a protrusion when magnetic ink is supplied to the magnet. Reference numeral 12 indicates a signal source that supplies a signal to each control electrode. The signal to the control electrode is of a different sign from the signal to the recording electrode.
For example, when the signal pulse to the recording electrode is a positive pulse, the signal to the control electrode is a negative pulse.
第３図は本実施例の要部斜視図である。１４は
磁性インクの容器で、ィンク液面を上下すること
により磁性体板５もしくは制御列１３先端のイン
ク量、すなわちインクの***量を調節することが
できる。しかるのちに、記録電極１および制御電
極列１３に信号を印加すると、両信号が同時に印
加されている箇所についてのみ、磁性インクの飛
翔が起り、所望の画像が得られるものである。 FIG. 3 is a perspective view of essential parts of this embodiment. Reference numeral 14 denotes a magnetic ink container, and by raising or lowering the ink liquid level, the amount of ink at the tip of the magnetic plate 5 or the control row 13, that is, the amount of ink protrusion can be adjusted. Thereafter, when a signal is applied to the recording electrode 1 and the control electrode array 13, the magnetic ink is ejected only at the locations where both signals are applied simultaneously, and a desired image is obtained.
以上のように本発明によれば、高密度で高品質
の記録画像を高速に普通紙上に得ることを可能に
するものであつて、さらに記録部特にインク***
のための基体の製造が簡易となるという優れた特
徴をもあわせもつものである。 As described above, according to the present invention, it is possible to obtain a high-density, high-quality recorded image on plain paper at high speed, and furthermore, the manufacturing of the substrate for the recording part, especially the ink bump, is simple. It also has the excellent feature of becoming.
第１図は本発明の画像記録装置の一実施例の記
録部を示す要部構成図、第２図は他の実施例の要
部を示し、ａは平面図、ｂは側面図、第３図は本
実施例の要部斜視図である。
１……記録電極、２……絶縁体樹脂、３……絶
縁体フイルム、４……記録紙、５……磁性体板、
６……磁石、７……磁性インク、８……信号源、
９……バイアス電源、１０……鉄線、１１……磁
性インク、１２……信号源、１３……記録電極
列、１４……インク容器。
FIG. 1 is a block diagram showing the main parts of a recording section of one embodiment of the image recording apparatus of the present invention, and FIG. 2 shows the main parts of another embodiment, in which a is a plan view, b is a side view, and FIG. The figure is a perspective view of essential parts of this embodiment. DESCRIPTION OF SYMBOLS 1... Recording electrode, 2... Insulating resin, 3... Insulating film, 4... Recording paper, 5... Magnetic plate,
6... Magnet, 7... Magnetic ink, 8... Signal source,
9... Bias power supply, 10... Iron wire, 11... Magnetic ink, 12... Signal source, 13... Recording electrode array, 14... Ink container.
Claims (1)
数の記録電極を有する記録ヘツドを設け、記録面
と対向して前記記録電極先端列と平行に、磁化さ
れている磁性体辺を設け、この磁性体辺上に磁性
インクを***させ、クーロン電気力により前記イ
ンクを記録面に飛翔または泳動させて記録面上に
記録を得るよう構成され、前記磁性体辺が記録電
極のピツチに対応して凹凸形状を有することを特
徴とする面像記録装置。 ２ 前記記録電極は整数個毎に規則的に電気接続
されており、かつ記録電極の一定数毎に対応して
磁性体辺が電気的に分離された制御電極列を形成
し、制御電極と記録電極の双方に選択的に信号を
印加することにより画像を得ることを特徴とした
特許請求の範囲第１項記載の画像記録装置。[Claims] 1. A recording head having a large number of recording electrodes arranged in the same plane is provided on the back side of the recording surface, and is magnetized in parallel to the array of recording electrode tips facing the recording surface. A magnetic side is provided, magnetic ink is raised on the magnetic side, and the ink is caused to fly or migrate to the recording surface by Coulomb electric force to obtain recording on the recording surface, and the magnetic side is the recording surface. A surface image recording device characterized by having an uneven shape corresponding to the pitch of electrodes. 2. The recording electrodes are regularly electrically connected every integer number, and a control electrode array is formed in which magnetic material sides are electrically separated corresponding to every fixed number of recording electrodes, and the control electrodes and recording electrodes are electrically connected to each other. 2. The image recording device according to claim 1, wherein an image is obtained by selectively applying a signal to both electrodes.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13325579A JPS5656883A (en) | 1979-10-15 | 1979-10-15 | Picture recorder |
| US06/094,588 US4258371A (en) | 1978-11-20 | 1979-11-15 | Image recording apparatus |
| GB7939697A GB2038719B (en) | 1978-11-20 | 1979-11-16 | Image recording apparatus |
| CA340,060A CA1125835A (en) | 1978-11-20 | 1979-11-16 | Image recording apparatus |
| FR7928425A FR2441491A1 (en) | 1978-11-20 | 1979-11-19 | SMOOTH PAPER IMAGE RECORDING APPARATUS |
| DE2946599A DE2946599C2 (en) | 1978-11-20 | 1979-11-19 | Image recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13325579A JPS5656883A (en) | 1979-10-15 | 1979-10-15 | Picture recorder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5656883A JPS5656883A (en) | 1981-05-19 |
| JPS626993B2 true JPS626993B2 (en) | 1987-02-14 |
Family
ID=15100330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13325579A Granted JPS5656883A (en) | 1978-11-20 | 1979-10-15 | Picture recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5656883A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4962024A (en) * | 1972-09-29 | 1974-06-15 | ||
| JPS4983329A (en) * | 1972-12-13 | 1974-08-10 | ||
| JPS5423534A (en) * | 1977-07-22 | 1979-02-22 | Matsushita Electric Ind Co Ltd | Image recording method |
-
1979
- 1979-10-15 JP JP13325579A patent/JPS5656883A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4962024A (en) * | 1972-09-29 | 1974-06-15 | ||
| JPS4983329A (en) * | 1972-12-13 | 1974-08-10 | ||
| JPS5423534A (en) * | 1977-07-22 | 1979-02-22 | Matsushita Electric Ind Co Ltd | Image recording method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5656883A (en) | 1981-05-19 |
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