JP2002127479A - Perfecting recorder for rewritable recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that a rewritable recording medium, having a recording layer exhibiting color developing properties upon application of first thermal energy and exhibiting fading properties upon application of second thermal energy on the opposite sides of support, must be taken out and turned over upon finishing recording on one side thereof and then must be reset before starting recording on the opposite side when the rewritable recording medium is recorded on the opposite sides. SOLUTION: Two sets of carriers, each having specified carriers in the housing thereof, are disposed in series at a specified interval and a traveling path changeover unit is disposed in the interval part to form an inverting path. A recording head and an erasing head are disposed along one traveling path, an extra traveling path is provided along the two sets of traveling paths and traveling path changeover units are provided at the opposite end parts of the extra traveling path.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for recording on both sides of a rewritable recording medium.

[0002]

2. Description of the Related Art As shown in FIG. 18, a rewritable recording medium comprises a support 1 on which a group exhibiting color development with respect to a leuco dye by the action of heat and a group exhibiting color reduction are formed of the same molecule. Forming a recording layer 2 made of a compound such as a color-reducing agent and a binder contained therein, and protecting the surface with a protective layer for improving the durability, a UV protective layer, or a protective layer for abrasion resistance, if necessary. The layer 3 is configured to overlap. The support 1 is generally a synthetic resin film.

In general, a leuco dye thermally reacts with a phenolic compound to open the lactone ring of the leuco dye,
The color changes from colorless to colored. However, a colored compound having a lactone ring opened returns to a colorless compound having a lactone ring when the basic substance is touched. Thus, due to the reversibility of the color-reducing agent and the leuco dye, the color-reducing agent turns the colorless leuco dye into a colored compound by opening the lactone ring only by controlling thermal energy, or by closing the colorless leuco dye. It is a rewritable recording medium utilizing the property that it can be returned several times.

[0004] The rewritable recording medium having such a configuration can be used for a high temperature, short time first thermal energy, for example, 150 thermal energy.
When heat energy of 1 to 3 msec is applied at ~ 180 ° C, the portion is black (for example, blue, red, etc.).
become. Next, low-temperature, long-time second heat energy,
For example, when a thermal energy of 5 msec to 2 sec is applied at 130 to 150 ° C., the black at that point is erased.

As a recording apparatus for recording on such a rewritable recording medium, there is a technique as disclosed in, for example, JP-A-5-131722.

[0006]

Such a conventional recording apparatus is a technique for performing recording on one side of a rewritable recording medium. In addition, some rewritable recording media have a recording layer formed on both surfaces on which both surfaces can be recorded, but when recording is performed on both surfaces of such a rewritable recording medium, recording on one surface is completed. Then, there is a problem that the rewritable recording medium must be taken out, turned upside down, set again, and then recorded on the opposite side, so that the recording must be performed twice.

[0007]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a rewritable recording layer having a recording layer on both sides of a support, which exhibits a color developing property by applying a first thermal energy and a fading property by applying a second thermal energy. Using a recording medium, two sets of traveling paths having a predetermined conveying device are arranged in series in the apparatus housing at intervals, and a traveling path switching device is provided at the interval to form a reverse path, and one traveling path is formed. A recording head and an erasing head are provided along the traveling path, and a traveling path is provided along the two pairs of traveling paths, and a traveling path switching device is provided at both ends of the traveling path, thereby automatically rewriting. It is possible to perform recording on both sides of the recording medium and various display changes can be made.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. The rewritable recording medium used in the present invention is, as shown in FIG.
Forming a recording layer 2 comprising a group exhibiting a color developing property to the leuco dye by the action of the leuco dye and heat and a developing agent and a binder which are compounds having a group exhibiting a color reducing property in the same molecule. If necessary, a protective layer 3 such as a protective layer for improving durability, a UV protective layer, or a protective layer for abrasion resistance is laminated on the surface. The support 1 is preferably made of a synthetic resin film, and in this embodiment, is made of a PET material in consideration of durability and resource properties.

Generally, the leuco dye thermally reacts with a phenolic compound to open the lactone ring of the leuco dye,
The color changes from colorless to colored. However, a colored compound having a lactone ring opened returns to a colorless compound having a lactone ring when the basic substance is touched. Thus, due to the reversibility of the color-reducing agent and the leuco dye, the color-reducing agent turns the colorless leuco dye into a colored compound by opening the lactone ring only by controlling thermal energy, or by closing the colorless leuco dye. It is a rewritable recording medium utilizing the property that it can be returned several times.

[0010] The rewritable recording medium having such a configuration can be used for a high-temperature, short-time first thermal energy, for example, 150 thermal energy.
When heat energy of 1 to 3 msec is applied at ~ 180 ° C, the portion is black (for example, blue, red, etc.).
become. Next, low-temperature, long-time second heat energy,
For example, when a thermal energy of 5 msec to 2 sec is applied at 130 to 150 ° C., the black at that point is erased.

The embodiment will be described with reference to the drawings. 1 is a front view, FIG. 2 is a side view,
In the figure, reference numeral 4 denotes a display device, and the following device is incorporated in the device housing. Reference numerals 51 and 52 denote feed rollers provided at predetermined intervals, and reference numerals 53 and 54 also denote feed rollers provided at predetermined intervals.

Reference numerals 61 and 62 denote transport devices such as a pin tractor and a transport roller (in the present embodiment, pin tractors) disposed between the feed rollers 51 and 52. 71 is formed. 63,
Reference numeral 64 denotes a transport device such as a pin tractor or a transport roller (in this embodiment, a pin tractor is shown) disposed between the feed rollers 53 and 54. is there.

A running path 73 is formed along the running paths 71 and 72 by conveying means 81 and 82 such as pin tractors and conveying rollers. These running paths 71, 72, 7
3 allows the rewritable recording medium to travel within the apparatus housing. Reference numerals 91 and 92 denote switching devices such as blades, and a reversing path 74 for switching the traveling of the traveling paths 71 and 72 in the rewritable recording medium display device 4 is formed. As shown, a plurality of blades are controlled simultaneously by the same axis.

Reference numerals 93 and 94 denote switching devices such as blades, which are provided on the traveling path 7 in the display device 4 for rewritable recording media.
Switching of traveling from 3 to traveling paths 71 and 72 is performed. 1
Reference numerals 1 and 12 denote rewritable recording media that travel on the respective traveling paths 71, 72, and 73. 13 is a rewritable recording medium 1
Recording heads 1 and 12 perform heating recording. The recording heads have a fixed heating width, and an erasing / recording head assembly is supported by a movement shaft so as to move in the width direction of the rewritable recording media 11 and 12 to perform recording. ing.

Numeral 14 denotes an erasing head for heating and erasing the recording on the rewritable recording media 11 and 12, which has a fixed heating width, and erases and records so as to move in the width direction of the rewritable recording media 11 and 12 to perform erasing. The head assembly is supported on the moving shaft. Rewritable recording medium 1
1 and 12, the characters and images recorded by the erasing head 14 are erased, and new contents are heated and recorded by the recording head 13. At this time, in the present embodiment, the assembly in which the erasing head and the recording head are integrated moves so that erasing and recording can be performed simultaneously.

Reference numerals 151, 152, and 153 denote driving sources.
In this embodiment, a motor is used. Drive source 151
Are feed rollers 51 and pin tractors 61 and 62
Is driving. The drive source 152 is for moving the recording head 13 and the erasing head 14 and for running the rewritable recording medium, and includes a feed roller 53 and a pin tractor 6.
3, 64 are driven.

The driving source 153 is connected to the conveying means 8 of the traveling path 73.
1, 82 for driving. Therefore, the two rewritable recording media 11 and 12 each have a recording layer on both front and back surfaces as described above. In the rewritable recording medium 11, the outer surface shown in FIG. As shown in FIG. 3, when the rewritable recording medium 11 is displaying in the display area, the rewritable recording medium 12
Is in a state of waiting on the back side.

Next, the operation of the display device having the above configuration will be described with reference to FIGS. FIG. 3 shows a display state in the display area of the display device. One rewritable recording medium 11 is in a display state, and the other rewritable recording medium 12 is waiting in a standby area at the rear. 4 and 5
Is a state in which the rewritable recording medium 11 is turned over and recording is performed on the surface B while the rewritable recording medium 11 is being displayed. In this state, the switching devices 93 and 94 switch the rewritable recording medium to the travel paths 71 and 7.
2 so as not to be guided to the traveling path 73 by the guideway 2.

FIG. 6 shows that the rewritable recording medium 12 is reversed and guided to the traveling path 71 by the above-described traveling, and the switching devices 91 and 92 close the reversing path 74 to guide the rewritable recording medium 12 to the traveling path 72. I do. 7 and 8
Is a step of erasing / recording the inverted B-side of the rewritable recording medium 12, in which characters and images recorded by the erasing head 14 are erased, and new contents are heated and recorded by the recording head 13. At this time, in the present embodiment, the assembly in which the erasing head and the recording head are integrated moves so that erasing and recording can be performed simultaneously.

FIG. 9 shows a process of reversing the rewritable recording medium 12 again, in a state similar to that of FIGS. 4 and 5 described above.
Reference numeral 92 denotes an open state so as to be guided to the reversing path 74, and the switching devices 93 and 94 are open so that the rewritable recording medium is guided by the traveling paths 71 and 72 and is not guided by the traveling path 73. As a result, the surface A is reversed so as to be the recording surface.

FIG. 10 shows that the rewritable recording medium 12 is reversed and guided to the traveling path 71 by the above-mentioned traveling, and the switching devices 91 and 92 close the reversing path 74 to guide the rewritable recording medium 12 to the traveling path 72. I do. FIG.
FIG. 12 shows a process for recording the inverted A surface of the rewritable recording medium 12. Since the erasing process has been completed in the processes shown in FIGS. 7 and 8, only the recording needs to be performed. Heat recording of new content.

By recording on both sides in this way,
Since the rewritable recording medium is transparent, recording on both sides is displayed from one side, so that recording with different colors can be performed on the front and back sides, and a ground pattern can be formed.
FIG. 13 shows the step of reversing the rewritable recording medium 12 again, in the same state as in FIGS. 4 and 5 described above. The running paths 71 and 72 are driven, and the switching devices 91 and 92 are guided to the reversing path 74. The switching devices 93 and 94 are set in the open state, and the rewritable recording media are
And is not opened so as to be guided to the travel path 73.

FIG. 14 shows that the rewritable recording medium 12 is reversed and guided to the traveling path 71 by the above traveling, and the switching devices 91 and 92 close the reversing path 74 to guide the rewritable recording medium 12 to the traveling path 72. I do. FIG.
Indicates that the recording of the front and back sides of the rewritable recording medium 12 is completed,
The rewritable recording medium 12 is in a standby state in a standby area at the rear, and is in a standby state until the next display change is determined. The rewritable recording medium 11 is in a display state.

FIG. 16 shows a process of replacing the rewritable recording medium 11 in the display state with the rewritable recording medium 12 waiting in the standby area.
Is closed, the rewritable recording medium 12 is guided to the traveling path 73, and the rewritable recording medium 11 is guided to the traveling paths 71 and 72. As shown in FIG. 17, the rewritable recording medium 12 is in the display state, and the other rewritable recording medium 11 is to stand by in the waiting area at the rear.
3 and 94 are opened, and the steps after FIG. 3 are repeated and used repeatedly.

The display can be sequentially changed by repeating the above steps. By performing recording on both sides of the rewritable recording medium in this manner, recording on both sides is displayed because the rewritable recording medium is transparent, and recording with different coloring on the front and back sides is performed, and the ground pattern is exposed. As described above, by using a transparent rewritable recording medium having recording layers of different colors on the A side and the B side, the display color on the A side (for example, blue) and the display color on the B side can be obtained. One rewritable recording medium can produce three colors, such as (for example, red) and a composite color (for example, green) where display colors on the A and B sides overlap.

The recording on the rewritable recording medium is performed by using a rewritable recording medium having a recording layer of the same color on both sides by a mechanism capable of recording on one side each time the recording head 9 travels and recording on both sides. When the rewritable recording medium is replaced, the rewritable recording medium has twice the durability of use by alternately recording one side at a time, and two rewritable recording media are mounted as an apparatus. The period is quadrupled.

In the above description, the case where two single-sheet rewritable recording media are used has been described. However, a method of use in which the display exchange time may be long, for example, the exchange may be performed during the night. Rewritable recording medium is 1
The operation is also possible, and its operation will be described below. FIG.
4 shows a state in which only the rewritable recording medium 11 in the display area is used, and FIGS.
To FIG. 8 to perform reversal and one-sided erasure / recording, and further to FIG. 9 to FIG. 10 for reversal, and FIG. 11 to complete double-sided recording, and FIG. Runway 7
3 and moved to the display area according to FIG.

Although the above-described rewritable recording medium has been described as being transparent, the rewritable recording medium is not necessarily a transparent rewritable recording medium. Display becomes possible, whereby different colors can be displayed at different times, and the display effect is great. further,
The installation location and size of the device are free, and since it can be self-standing or wall-mounted, it can be installed on the ceiling, etc., which is a high place in the building, and can be appropriately selected according to the purpose of use. Decisions can be made, and public notices, public notices, guidance, various displays, and the like can be made at various facilities, inns, shops, and the like.

[0029]

According to the present invention described in detail above, recording layers exhibiting a color developing property by applying the first thermal energy and exhibiting a fading property by applying the second thermal energy are provided on both surfaces of the support. Using a rewritable recording medium, a transport path is formed at predetermined intervals between feed rollers provided in the apparatus housing to form a traveling path, and along this traveling path, the rewritable recording medium is moved between the front side and the rear side in the apparatus casing. At the same time, it is possible to switch between the front side and the back side of the rewritable recording medium display device by providing a switching device in the middle of the traveling path, and further record on the rewritable recording medium facing the traveling path. By arranging the recording head for performing and the erasing head for erasing the recording, the recording can be automatically and arbitrarily performed on each side of the rewritable recording medium having the recording layers on both sides. The Ukoto has the effect that it is possible to automatically change a variety of display.

In addition, the device can be of a free-standing type, a wall-mounted type, or a type embedded in a wall, which has an effect that it can be used in any place.

[Brief description of the drawings]

FIG. 1 is an explanatory front view of an apparatus showing an embodiment;

FIG. 2 is an explanatory side view of the same.

FIG. 3 is an explanatory diagram showing an operation state.

FIG. 4 is an explanatory diagram showing an operation state.

FIG. 5 is an explanatory diagram showing an operation state.

FIG. 6 is an explanatory diagram showing an operation state.

FIG. 7 is an explanatory diagram showing an operation state.

FIG. 8 is an explanatory diagram showing an operation state.

FIG. 9 is an explanatory diagram showing an operation state.

FIG. 10 is an explanatory diagram showing an operation state.

FIG. 11 is an explanatory diagram showing an operation state.

FIG. 12 is an explanatory diagram showing an operation state.

FIG. 13 is an explanatory diagram showing an operation state.

FIG. 14 is an explanatory diagram showing an operation state.

FIG. 15 is an explanatory diagram showing an operation state.

FIG. 16 is an explanatory diagram showing an operation state.

FIG. 17 is an explanatory view showing an operation state.

FIG. 18 is an explanatory diagram of a rewritable recording medium.

[Description of Reference Numerals] 1 support 2 recording layer 3 protective layer 4 display device 51, 52 feed roller 61, 62, 63, 64 transport device 71, 72, 73 transport path 81, 82 transport means 91, 92, 93, 94 Switching device 11, 12 Rewritable recording medium 13 Recording head 14 Erasing head 151, 152, 153 Driving source

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Ikuo Shimizu 3-1 Futaba-cho, Takasaki-shi, Gunma F-term in Oki Information Systems Co., Ltd. (Reference) 2C061 AQ04 AR03 AS11 GG03 GG17 GG23 GG37

Claims (3)

[Claims] 1. A rewritable recording medium having a recording layer which exhibits a color developing property by applying a first thermal energy and exhibits a bleaching property by applying a second thermal energy on both surfaces of a support, and is provided in an apparatus housing. Two sets of traveling paths having a predetermined conveying device are arranged in series at intervals, and a traveling path switching device is provided at the interval to form a reversing path, and a recording head and an erasing head are provided along one traveling path. A two-sided rewritable recording medium recording apparatus, further comprising a traveling path provided along these two traveling paths, and a traveling path switching device provided at both ends of the traveling path. 2. The two-sided recording apparatus for a rewritable recording medium according to claim 1, wherein a transparent rewritable recording medium is used. 3. The two-sided recording apparatus for a rewritable recording medium according to claim 1, wherein an opaque rewritable recording medium is used.