JPS585277A - Electrical transfer recorder - Google Patents

Abstract

PURPOSE:To obtain a highly reliable electrical transfer recorder with a high resolution, capable of recording on an usual paper, by a method in which plural recording electrodes and plural return electrodes are contacted with an ink sheet, and an image signal voltage is applied between both the electrodes to melt the ink sheet. CONSTITUTION:On an electrode holder 2, plural needle-like recording electrodes 3 are aligned at given intervals in one row, and also plural return electrodes 4 are aligned in one row in parallel with the row of the recording electrodes 3, inserting a recording paper 13 to be sent along an ink ribbon 8 sent by a delivery roller 9 and a guide plate 16 and being in the face of a platen 1. While moving the ink ribbon 8 and the recording paper 13 continuously or intermittently, an image signal voltage is applied between the recording electrodes 3 and the return electrodes 4, whereupon the ink ribbon 8 in the recording electrodes 3 is melted by Joule heat because of very high resistance near the electrodes 3. The melted ink ribbon 8 is transferred to the recording paper 13 to form dots.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an energization transfer recording sickle device for recording dot-shaped images on a recording medium such as paper.

2. Description of the Related Art Indirect electrostatic recording devices and inkjet recording devices using dielectric materials have been known as facsimile i9 recording devices capable of recording on plain paper.

However, indirect electrostatic recording devices using dielectrics require the maintenance of minute intervals when forming charge latents, but it is difficult to maintain this stably. If the lifespan is short, there will be 115 momme odor.

Further, inkjet recording apparatuses have drawbacks in that nozzles are easily clogged, it is difficult to eject droplets stably, and maintenance is not easy.

An object of the present invention is to provide an electrical transfer recording device that is capable of recording on plain paper, has high reliability, and has a high degree of decomposition.

In the present invention, a plurality of recording electrodes and a return electrode are brought into contact with an ink sheet, and an image signal voltage is applied between the recording electrode and the return electrode while moving the ink sheet and the recording medium in contact with the ink sheet. By passing the ink onto the ink sheet and melting it with Joule heat, it is less likely that it will be transferred onto the recording medium.
be a sign.

A detailed description of the invention based on the illustrated embodiments below.
11.

In FIG. 1, reference numeral 1 indicates a platen.

An electrode holder 2 is arranged to face the platen 1 at a predetermined distance. On this electrode holder 2, as shown in FIG. 2, a plurality of needle-shaped recording electrodes 3 are arranged in a row at regular intervals, and a plurality of return electrodes 4 are arranged in parallel with these rows. They are arranged in one row. These recording electrodes 3 and return electrodes 4 are connected to an image signal voltage applying device 5.

An ink ribbon supply roller 6 and an ink ribbon take-up roller 7 are provided on both sides of the recording electrode 3 and return electrode 40.
is located. The ink ribbon supply roller 6 has an outer frame tube 6b fixedly attached to a rotating core roller 6a via a bearing. The core roller 6aK is wound with an ink ribbon 8 made of a ribbon-shaped ink sheet, and the ink is passed between the recording electrode 3 and the return electrode 4 and the platen 10 so that one end of the ink ribbon 8 comes into contact with the recording electrode 3 and the return electrode 4. It is locked to a ribbon take-up roller 7. Is there a feed row between the ink ribbon take-up roller 7 and the electrode holder 2? -9,9 are placed. Guides are provided between the ink ribbon supply roller 6 and the electrode holder 2 and between the electrode holder 2 and the feed roller 9.

Plates 10, 11 are provided. When the ink ribbon take-up roller 7, feed roller 9, and ink ribbon supply roller 6 are rotated in the direction of the arrow, the ink ribbon 8 between them is moved in the direction of the arrow a. The ink ribbon 8 is made of a single ink layer made by dispersing a coloring material in a thermoplastic resin, or a paste layer and an ink layer, and melts when the temperature exceeds a certain level. It is something.

A paper supply roller 12 is arranged above the ink ribbon supply roller 6. A recording paper 13 is wound around this paper supply roller 12 . The paper supply roller 12
A paper feed roller 14.14 is arranged between the platen 1 and the electrode holder 20, and a paper discharge roller 1 is disposed on the opposite side of the platen 1 and the electrode holder 2 from the paper feed roller 14.
5 is placed. The recording paper 13 from the paper supply roller 12 is fed between the platen 1 and the electrode holder 2 by a paper feed roller 14 so as to come into contact with the ink ribbon 8, and then discharged by a paper discharge roller 15. A guide plate 16 and a cutter 17 are arranged between the paper feed roller 14 and the platen 1. A separation member 18 is electrically connected to the discharge roller 15@ of the platen 1 and the electrode holder 2, and this separation member 18 is connected to the platen 1 and the electrode holder 20.
The recording paper 13 is separated from the ink ribbon 8 that has passed through the gap and guided toward the paper discharge roller 15. A paper discharge tray 19 that accommodates the recording paper 13 is arranged on the paper discharge direction side of the paper discharge roller 15 .

A recording electrode 3 and a return electrode 4 are in contact with the ink ribbon 8 located between the platen 1 and the electrode holder 2, and a recording paper 13 is placed between the ink ribbon 8 and the platen 1 so as to be in contact with these. is located. While moving the ink ribbon 8 and the recording paper 13 continuously or intermittently, an image signal voltage is applied between the recording electrode 3 and the return electrode 4 by the ms signal voltage applying device 5 to By melting a portion of the ink ribbon 8, it is transferred onto the recording paper 13.

When the K11iil signal voltage is applied between the recording electrode 3 and the return electrode 4, a current flows in the ink ribbon 8, and the ink of the recording electrode 3 is Since the contact area with the ribbon 8 is very small, the resistance near the recording electrode 3 is larger than the resistance near the return electrode 4, and the total current flowing through the recording electrode 3 and the return electrode 4 is the same. Since the jet heat near the return electrode 4 is much larger than the jet heat near the return electrode 4, the portion of the ink ribbon 8 near the recording electrode 3 is melted by the jet heat and the recording paper 13#c
be transferred. When the recording of the part of the ink ribbon 8 corresponding to one return electrode 4 is completed, the ink ribbon 8 is moved to the next return electrode 4.

By repeating such a recording operation, a predetermined length of recording paper 13 is
When the recording paper 13 passes near the cutter 17, the cutter 17 cuts the recording paper 13 and the paper feed I-ler 14 is stopped. In this case, the platen 1 and the paper discharge roller 15 are rotated, and the recording paper 13 is moved by these rollers K while recording continues, and then the recording paper 13 is sent to the paper discharge tray 19 by the paper discharge roller 15.

As shown in FIG. 3, the recording electrodes 3 are arranged in two rows, one row of recording electrodes 3 is located between the other rows of recording electrodes 3, and a plurality of return paths are provided on both sides of the recording electrodes 3. The electrodes 4 may be arranged in a row. With this configuration, the recording electrodes 3 in the second row form dots between the dots on the recording paper 13 formed by the recording electrodes 3 in the first row. In addition, since the interval between the recording electrodes 30 in each row can be increased, the density is 8 dots)/m to 16 dots).
This has the advantage that high-density recording of approximately 1/m is possible, and mutual interaction between adjacent recording electrodes 3 can be eliminated.

Next, the means for locking the end of the ink ribbon 8 to the ink ribbon winding μm2 7 will be described.

As shown in FIG.
When the ink ribbon supply roller 6 is set at a predetermined position and the four-core roller 6m is rotated, a take-out part 8m protrudes from one end of the ink ribbon 8 wound around the K. Ink ribbon supply of ink ribbon 8 - part - 6
5 so that it can be pulled out and inserted between the platen 1 and the electrode holder 20.

As shown in FIG. 5, the ink ribbon take-up roller 7 is provided with a clamp 7b inside a cylinder 7m, and a cylinder 7a with a hole 7C for attachment. By inserting the takeout portion 8m of the ink ribbon 8 into the ink ribbon winding p-toe 7 through the mounting hole 7C and holding it with the clamp 7b, the ink ribbon 8 is attached to the current transfer recording device.
This means that it has been placed so that it can be recorded. The above feed roller 9
An ink ribbon detection means 20 consisting of a light emitting element and a light receiving element is arranged between the ink ribbon 80 and the ink ribbon 80. When the ink ribbon reaches the position where it is attached to the roller 7, the ink ribbon supply roller 6
and a signal to the control circuit of the driving means of the platen 1' to control the ink ribbon supply roller 6 and the platen 1.
And the rotation of the feed row two 9 is stopped. Note that the ink ribbon supply roller 6 and the ink ribbon take-up roller 7 are not limited to those shown.

Further, the return electrode 4 may be arranged separately from the electrode holder 2. Instead of the recording paper 13, other placement media may be used.

In the above-described current transfer recording device, while moving the ink ribbon 8 and the recording paper 13, each having a width of 220 strokes, at a speed of 400 m/l IC, two
When recording was performed by applying a pulse voltage of 00 V and a width of 1 m5 ec, an image with high resolution was obtained.

The current transfer recording device of the present invention is capable of recording on plain paper, has high QII reliability, and has a high degree of resolution.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway front view showing the current transfer recording device of the present invention, FIG. 2 is a partially cutaway plan view showing the recording electrodes and return path electrodes of the same device, and FIG. 3 is the recording electrodes and return path of the same device. FIG. 4 is a partially cutaway plan view showing another embodiment of the electrode; FIG. 4 is a partially cutaway oblique view showing the ink ribbon supply μm roller of the same device; FIG. 2... Electrode holder, 3... Recording electrode, 4... Return electrode, 5... Image signal voltage application l & placement, 8... Ink ribbon, 13... Journal paper %4 bacteria

Claims (1)

[Claims] A plurality of needle-shaped recording electrodes are arranged in a row, an ink sheet is arranged so as to be in contact with these, a recording medium is arranged so as to be in contact with these ink sheets, and an ink sheet is placed at a predetermined interval from the recording electrodes. A return electrode is placed in contact with K, and while moving the ink sheet and recording medium, a KijigI signal voltage is applied between the recording electrode and the return electrode. An energized transfer placement device characterized in that it is transferred onto a recording medium by being melted by K.