JP2014102688A - Information management system and erasing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To erase information, while keeping a consistency between written information and electronic data on information associated with information on a recording medium and written on the recording medium.SOLUTION: An information management system is formed by connecting an erasing apparatus with an information processing apparatus over a network. The erasing apparatus includes: acquiring means for acquiring information stored in a storage medium included in a recording medium; detection means for detecting that written data has been erased by the erasing apparatus; and transmission means for transmitting the information acquired by the acquiring means and data indicating erasure to the information processing apparatus. The information processing apparatus includes: management means for managing the information stored in the storage medium in association with the electronic data; and erasing means for erasing the electronic data corresponding to the received information on receipt of the data indicating erasure from the erasing apparatus.

Description

  The present invention relates to an information management system and erasing apparatus for erasing information written on a reproducible recording medium.

  Conventionally, with the advancement of computers and the speeding up of networks, processing of various documents has been digitized. On the other hand, a method of writing on paper using a pen or the like has an advantage that it is easier than a method of inputting an electronic document to a computer using a keyboard or a mouse.

  There is also a technique for digitizing information written with a pen or the like. In this technique, for example, a pattern such as a lattice pattern is printed on a recording medium, and the movement of the pen can be read by measuring the pattern using an optical device provided on the pen tip.

  Patent Document 1 discloses a technique for referring to an attribute of a paper document acquired by a coordinate acquisition device and reflecting it in an electronic document corresponding to the paper document in which information is entered. Japanese Patent Application Laid-Open No. 2004-228561 discloses a technique that makes it possible to specify the authority to digitize and edit an addition to an information display medium.

  There is also a technique for reusing a recording medium to be added. For example, Patent Document 3 discloses a technique for performing reprinting by cleaning a rewritable paper.

  Here, the association between the digitized document and the digitized writing information becomes important. For example, in Patent Document 4, writing is performed using a recording medium having a magnetic recording layer in which document information specifying a document is magnetically recorded and a thermoreversible recording layer in which written information is recorded. A data input system for inputting electronic data of document information and document information is disclosed.

  In the prior art, the written information and the document information recorded on the magnetic recording layer are associated with each other by a host computer, and the associated information is deleted by the host computer. When erasing information on the host computer, there is a problem that consistency with written information cannot be obtained. In addition, there is a problem that consistency with data stored in the host computer cannot be achieved even when the written data written on the recording medium is erased. That is, when the written data is erased, there is a problem that consistency between the written data and the electronic data on the management side that manages the electronic data of the written data cannot be obtained.

  The present invention has been made in view of the above problem, and when erasing information, information that can maintain consistency between written data and electronic data on the management side that manages the electronic data of the written data. It is an object to provide a management system and an erasing device.

  An information management system according to an aspect of the present invention is information in which an erasing device that erases written data written on a recording medium and an information processing device that manages electronic data of the written data are connected via a network. In the management system, the erasing device detects acquisition means for acquiring information stored in a storage medium included in the recording medium, and that the writing data is erased by the erasing device. A detection unit; and a transmission unit that transmits information acquired by the acquisition unit and data indicating erasure to the information processing apparatus when the detection unit detects deletion of the writing data. The processing device includes management means for managing information stored in the storage medium in association with electronic data of the writing data, and a data indicating the erasure from the erasing device. If the data is received, comprising an erasing means for erasing the electronic data corresponding to the received information.

  According to the present invention, when erasing information, it is possible to maintain consistency between the written data and the electronic data on the management side that manages the electronic data of the written data.

FIG. 3 is a cross-sectional view illustrating an example of a recording medium in the first embodiment. FIG. 3 is a diagram illustrating an example of a recording medium according to the first embodiment. FIG. 4 is a diagram illustrating an example of a dot pattern in the first embodiment. The figure which shows the shift | offset | difference of a dot pattern. The figure which shows an example of the system which manages information using the recording medium of FIG. The block diagram which shows an example of a structure of the writing apparatus 300 in a data input system. The block diagram which shows an example of the erasing apparatus (the 1) in a data erasing system. The block diagram which shows an example of the erasing apparatus (the 2) in a data erasing system. FIG. 2 is a block diagram illustrating an example of hardware of the information processing device according to the first embodiment. FIG. 2 is a block diagram illustrating an example of functions of the information processing device in Embodiment 1; The figure which shows the example of a transition of each data. 1 is a diagram illustrating an example of a configuration of an image erasing apparatus. The figure which shows an example of a structure of a reproduction | regeneration coating apparatus. The figure which shows the specific example of a series of operation | movement of image formation, data deletion, image deletion, and reproduction | regeneration. The figure which shows an example of a work process. 6 is a flowchart showing an example of RFID tag preparation processing. The flowchart which shows an example of a process of a writing apparatus. 9 is a flowchart showing an example of processing (part 1) of the erasing device. 10 is a flowchart showing an example of processing (part 2) of the erasing device. 6 is a flowchart illustrating an example of information management processing of the information processing apparatus. The flowchart which shows an example of the mail process of information processing apparatus. FIG. 10 is a diagram illustrating an example of data managed by the management unit of the information processing apparatus according to the second embodiment. 10 is a flowchart illustrating an example of information management processing of the information processing layer device according to the second embodiment. FIG. 10 illustrates an example of data input in Embodiment 3. FIG. 9 is a block diagram illustrating an example of a configuration of a writing apparatus according to Embodiment 3. 10 is a flowchart illustrating an example of processing performed by a writing apparatus according to Embodiment 3. 10 is a flowchart illustrating an example of information management processing of the information processing apparatus according to Embodiment 3.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[Embodiment 1]
In the embodiment, for example, with respect to an image formed with an image forming material having hydrophilicity and / or a recording medium having a predetermined pattern, the image forming material is removed and the recording medium is recorded. Applicable to playback.

  In addition, the first embodiment is suitable for removing the image forming material and reproducing the recording medium, for example, on the recording medium having an image and / or a predetermined pattern by the ink jet recording method. Therefore, the first embodiment will be described below by taking an inkjet recording system as an example of the recording system. First, the configuration of the recording medium 1 will be described.

<Recording medium>
FIG. 1 is a cross-sectional view showing an example of a recording medium 1 in the first embodiment. In the recording medium 1 shown in FIG. 1, an intermediate layer 20 is provided on one surface of a substrate (support) 10 having water resistance, and an image is formed on a surface of the intermediate layer 20 different from the surface on the substrate 10 side. A receiving layer 30 for the forming material 40 is provided. The image forming material 40 has hydrophilicity.

(Substrate)
The substrate (support) 10 in the first embodiment is preferably water-resistant so that it does not change in quality due to the supply of a later-described image forming material removal solution (hereinafter also simply referred to as a removal solution). The substrate 10 includes a storage medium 50. The storage medium 50 is a wireless IC chip such as an RFID (Radio Frequency IDentification) tag. Hereinafter, the storage medium 50 will be described using an RFID tag as an example.

  When the RFID tag 50 is embedded in the substrate 10, the substrate 10 that does not impair the performance of the RFID tag 50 even when the removal liquid is supplied is preferable.

  As the substrate 10, high-grade printing paper, electrophotographic recording paper, thermal recording paper, and the like can be used. In particular, many reversible thermosensitive recording papers have a cured resin layer on the surface so that the recording layer can withstand repeated image formation and image erasure by a thermal head. Such reversible thermosensitive recording paper is preferably used as the substrate 10. be able to.

  As the substrate 10, either a transparent support or an opaque support can be used. The substrate 10 may have other layers such as an undercoat layer as desired.

  Although the thickness of the substrate 10 varies depending on the purpose of use, it is preferably 30 μm to 1000 μm, and more preferably 60 μm to 800 μm. The thickness varies depending on the usage, sheet size, material, and the like. For example, when the RFID tag 50 is embedded in the substrate 10, the thickness is normally relatively 600 μm to 800 μm.

  As described above, the substrate 10 may be a thermal recording medium, a thermal transfer recording medium, or the like, and the reversible thermosensitive recording medium as a typical example of this type of substrate 10 is the same as Japanese Patent Application No. 2010-. See 197395.

(Middle layer)
In the case of the recording medium 1 for inkjet, if the intermediate layer 20 is provided on the substrate 10, for example, a hydrophilic polymer material called latex or an aqueous emulsion coating solution of an inherently hydrophobic polymer material has been used. As a large amount of a strong emulsifier, there is a forced emulsion of an inherently water-insoluble resin due to surface activity.

  Thereby, strong adhesiveness with both the substrate 10 surface and the receiving layer 30 can be obtained, and prevention of beading and bleeding by the printed ink can be achieved. On the other hand, the harmful effects of using a large amount of strong emulsifier are already known. When a water-soluble resin coating solution is rarely used, it has been subjected to a crosslinking reaction treatment with a crosslinking agent having a functional group capable of chemically bonding with the constituent resin. In the prior art, it is natural that the appearance of strong adhesiveness is mainly taken into consideration, and it is not intended to delete the intermediate layer by applying water or an aqueous liquid.

  On the other hand, the intermediate layer 20 in Embodiment 1 contains as a main component an uncured water-soluble polymer material or a water-soluble resin that dissolves or swells when the removal liquid is supplied. Here, “main component” means 60% or more by dry weight. The intermediate layer 20 of the recording medium 1 in Embodiment 1 is desired to have various subcomponents such as inorganic fine particles, organic fine particles, a small amount of a surfactant, an antioxidant, a leveling agent, etc., as long as the object of the present invention is not impaired. Can be contained.

  The water-soluble polymer material used for the intermediate layer 20 of the recording medium 1 in Embodiment 1 itself has a film-forming property and is excellent in the adhesion between the substrate 10 and the receiving layer 30, but is dissolved by supplying the removal liquid. Or it swells and reduces adhesiveness with the substrate 10. Adhesion with the receiving layer 30 is also significantly reduced, but this is not essential in the present invention. For the water-soluble resin used for the mid layer 20, refer to Japanese Patent Application No. 2010-197395 of the same applicant.

  Moreover, as the intermediate layer 20, a water-soluble polyester is suitable. The water-soluble polyester is, for example, a water-soluble polyester having an arylene group and an alkylene group and / or a polyoxyalkylene group in the main chain and pendant with a metal sulfonate group. Thereby, the water-soluble polyester intermediate layer 20 has both toughness and flexibility, and the solubility in water at a temperature 20 ° C. higher than normal temperature (20 ° C. to 25 ° C.) is 1.5 times the solubility in water at normal temperature. That's it.

  The water-soluble polyester is preferably a water-soluble polyester represented by the following formula (1).

式（１）中、Ａｒはフェニル基、ナフチル基を表し、Ｒは分岐を有してもよい炭素数１〜１０の炭化水素基、炭素数１〜１０のポリオキシアルキレンを表し、Ｍはアルカリ金属を表し、ｍ、ｎは整数を表し、ｍ／ｎは、１０／９０〜４０／６０である。

In formula (1), Ar represents a phenyl group or a naphthyl group, R represents an optionally branched hydrocarbon group having 1 to 10 carbon atoms, or a polyoxyalkylene having 1 to 10 carbon atoms, and M represents an alkali. It represents a metal, m and n represent an integer, and m / n is 10/90 to 40/60.

  The water-soluble polyester is imparted with excellent hydrophilicity due to the metal sulfonate group, and exhibits excellent adhesion to resin materials such as polyester, vinyl chloride and polycarbonate, and metal materials such as aluminum plates and steel plates.

  Moreover, since water-soluble polyester is saturated polyester which does not have a double bond, it is excellent in tolerance. If the content of the metal sulfonate group is too small, the water-solubility of the resulting polyester resin will be insufficient, and it will be difficult to peel off during regeneration. Conversely, even if the content of the metal sulfonate group is too large, the water resistance of the water-soluble polyester resin may be insufficient, so m / n is 10/90 to 40/60, and 15/85 to 35. / 65 is preferable, and 20/80 to 30/70 is more preferable.

  The molecular weight of the water-soluble polyester is preferably 10,000 to 30,000. If the molecular weight is less than 10,000, the mechanical strength may decrease.

  The water-soluble polyester is obtained by subjecting a dicarboxylic acid component, a diol component, and a water-solubility-imparting component having a metal sulfonate group as raw materials to a condensation reaction. In addition, in the case where the raw material of the water-soluble polyester resin is separated from the dicarboxylic acid component, the glycol component, and the water-solubility imparting component having a metal sulfonate group, the dicarboxylic acid component and the glycol component may also correspond to the water-solubility imparting component included.

  Moreover, you may use a commercial item as said water-soluble polyester. For example, copolymers of terephthalic acid, ethylene glycol, and 5-sodium sulfoisophthalic acid commercially available from a mutual chemical industry (“Plus Coat Z-221”, “Plus Coat Z-446”, “Plus Coat Z-561” Etc.) may be used.

  For details of the water-soluble polyester used in the intermediate layer 20, refer to Japanese Patent Application No. 2012-029044 of the same applicant.

  In addition, the intermediate layer 20 may be mixed with a material that can receive a hydrophilic image forming material.

  The substrate 10 in this case is, for example, a reversible thermosensitive recording medium (RECO-View, manufactured by Ricoh Co., Ltd.) having a thermosensitive reversible recording layer (leuco dye) on the front surface and a PET sheet attached to the back surface.

  The intermediate layer 20 is formed on the back surface (PET sheet side) of the substrate 10 as follows. A solution is produced by adding 1000 ppm (0.1%) of “RY-2” activator to the water-soluble polyester resin, Plastic Coat Z-221 manufactured by Kyodo Chemical. This solution and a water-soluble ink receiving material utilizing water absorption of protein powder (water-soluble material WR-452 manufactured by Idemitsu Technofine) are mixed at 50% and 50%, respectively (nonvolatile component ratio 67:33). The mixed solution is applied with a wet film thickness of 80 μm (dry film thickness of 25 μm) using a wire bar.

  The recording medium 1 is obtained by applying the intermediate layer 20 to the substrate 10 and drying it with a dryer until the solution is solidified.

  Regarding the constitution in which the intermediate layer 20 is mixed with a material capable of receiving a hydrophilic image forming material, the material capable of receiving the image forming material, and the hydrophilic image forming material composition, the same application is applied. See Japanese Patent Application No. 2011-059083.

  Further, the intermediate layer 20 may be formed including polyvinyl alcohol. Polyvinyl alcohol can be obtained by saponifying polyvinyl acetate obtained by polymerizing vinyl acetate, and examples thereof include polyvinyl alcohol represented by the following formula (2).

一般式ｍ＋ｎは重合度を表し、４００〜４０００、〔ｍ／（ｍ＋ｎ）〕×１００は鹸化度を表し、７０モル％〜９９モル％の範囲の鹸化度が好ましく、７０モル％〜９０モル％の範囲の鹸化度を有するポリビニルアルコールを使用することがより好ましい。また、ポリオキシレン基などの変性基を有する変性ポリビニルアルコールも使用できる。

General formula m + n represents the degree of polymerization, 400 to 4000, [m / (m + n)] × 100 represents the degree of saponification, and the degree of saponification is preferably in the range of 70 mol% to 99 mol%, preferably 70 mol% to 90 mol%. It is more preferable to use polyvinyl alcohol having a degree of saponification in the range of. Moreover, the modified polyvinyl alcohol which has modification groups, such as a polyoxylene group, can also be used.

  As the polyvinyl alcohol having a saponification degree of 70 to 90 mol%, specifically, GOHSENOL GH-17, KH-17, NK-05R manufactured by Nippon Synthetic Chemical Industry Co., Ltd. can be used. Moreover, Nippon Synthetic Chemical Industry Co., Ltd. Ecomati WO-320R etc. can be used as modified polyvinyl alcohol.

  Further, the intermediate layer 20 may be formed by including a resin having a core-shell type particle structure having a different composition between the core of the particle and the outer shell. For example, the intermediate layer 20 is formed including a water-soluble resin whose core is vinyl chloride and whose shell is water-soluble acrylic.

  As this intermediate layer 20, for example, a vinyl chloride-acrylic resin emulsion obtained by a production method as disclosed in JP-T-2005-522578 can be used, such as Starlight PMC Co., Ltd .: Hiros-X: BE-7650, etc. Can be used.

  Further, the intermediate layer 20 may be formed including a starch derivative having water solubility. Water-soluble starch derivatives include water-soluble starch that is soluble in cold or warm water. As a starch derivative having water solubility, for example, Fsmash manufactured by Futamura Chemical Co., Ltd. and the like can be mentioned.

That is, the intermediate layer 20 may include any one of the following water-soluble resins.
・ A water-soluble polyester with an arylene group and an alkylene group and / or a polyoxyalkylene group in the main chain and pendant with a metal sulfonate group ・ Polyvinyl alcohol ・ Particle core (core) and outer shell (shell) A resin having a different core / shell type particle structure, wherein the core is vinyl chloride and the shell is a water-soluble acrylic. A water-soluble starch derivative. Further, the intermediate layer 20 cannot be accommodated in the receiving layer 30. Ink (image forming material) may be received. Therefore, the intermediate layer 20 is made of inorganic fine particles such as silica, titanium oxide, alumina, zinc oxide, calcium carbonate, acrylic, styrene, etc. in order to prevent further image dust and bleeding, and to maintain film hardness during drying. The resin fine particles may be added. When such inorganic fine particles are added, 1 to 50 parts by weight, preferably 1 to 20 parts by weight can be added to 100 parts by weight of the water-soluble resin.

  Further, the intermediate layer 20 may be subjected to an antistatic treatment such as a cationic surfactant as necessary in order to increase water permeability. The antistatic agent may be added to the material forming the receiving layer 30, or after forming the receiving layer 30, a solution dissolved and dispersed in an appropriate solvent may be applied. Furthermore, in order to prevent the intermediate layer 20 from being deteriorated, an ultraviolet absorber or an acid value inhibitor may be contained. The amount of the ultraviolet absorber or acid value inhibitor added is preferably 5% by weight or less.

(Receptive layer)
The receiving layer 30 in the first embodiment is for receiving ink droplets sent from the ink jet recording head suitably without forming a beading or bleeding and for forming an image. In this respect, there is essentially no difference from the ink receiving layer of glossy recording paper in ordinary ink jet. However, conventionally, a coating liquid containing a large amount of inorganic fine particles and organic fine particles that absorb the ink colorant and a small amount of binder resin for fixing them is applied and dried.

  On the other hand, the receiving layer 30 in the first embodiment also has sufficient water permeability (passability) to the intermediate layer 20 which is the lower layer in the process of removing the image forming material described later. The image forming material is, for example, a colorant for inkjet ink. In addition, the receptor layer 30 is disintegrated or relaxed in an adhesive state with the intermediate layer 20 by dissolution or swelling with the removal liquid of the intermediate layer 20.

  Also, the amount of inorganic fine particles and organic fine particles added is zero or very small compared to the case of the ink receiving layer of glossy recording paper in ordinary ink jet, and most of the material is preferably a resin. The technical idea is different from that of the ink receiving layer.

  The addition amount of the fine particles having a relatively large BET surface area for ink absorption is preferably conservative, and the layer thickness may be slightly thick accordingly. The amount added is, for example, 50 parts or less, preferably 30 parts or less, more preferably 25 parts or less per 100 parts of the binder resin.

  In the case of the first embodiment, the lower intermediate layer 20 receives the ink liquid that has penetrated into the receiving layer 30 and leaked from the receiving layer 30.

  The receiving layer 30 in the first embodiment includes a resin material that may include fine particles for absorbing and receiving an ink liquid for ink jet recording including a colorant. Further, it comprises an aqueous solution or an aqueous emulsion containing various auxiliary agents such as a stabilizer, a dispersant, a thickener, an antifoaming agent, an antioxidant, a wetting agent, an ultraviolet absorber, and a water-resistant agent, if desired. The receiving layer 30 may be formed as a coating layer of the coating agent. For detailed components of the receiving layer 30, refer to Japanese Patent Application No. 2010-197395 filed by the same applicant.

  The thickness of the receiving layer 30 is about 1 to 120 μm, preferably about 2 to 60 μm so that the ink absorbing action by the receiving layer 30 is sufficient and the forming operation of the receiving layer 30 can be performed satisfactorily. If the thickness is less than 1 μm, the effect of improving the environmental resistance such as water resistance, scratch resistance, weather resistance, etc. when formed into a film may be insufficient.

<Image forming material>
The image forming material 40 in Embodiment 1 contains a coloring agent and other auxiliary materials added as desired in the hydrophilic liquid medium. The colorant is, for example, various dyes and pigments included in a normal inkjet ink. For the ink composition used, see Japanese Patent Application No. 2010-197395 of the same applicant.

<Information management system>
Hereinafter, a case where the above-described recording medium 1 is used for an information management system will be described. FIG. 2 is a diagram illustrating an example of the recording medium 1 according to the first embodiment. In the recording medium 1 shown in FIG. 2, an image 70 and a predetermined pattern 60 are formed by the image forming material 40. The image 70 shows the process name “A-1”. In the image, a production model, a factory name, an assembly check sheet, and the like are also formed. The process name “A-1” 70 will be described as an example.

  In the example of the recording medium 1 shown in FIG. 2, the RFID tag 50 is embedded in the recording medium 1. The RFID tag 50 is configured to record and erase data. The RFID tag 50 stores predetermined data.

  A predetermined pattern 60 is formed on the recording medium 1 shown in FIG. The predetermined pattern is a pattern capable of recognizing writing data, and is, for example, a dot pattern (Anoto pattern) manufactured by Anoto. The handwritten data is handwritten characters or images, and is also called handwriting data or handwritten data.

  FIG. 3 is a diagram illustrating an example of the dot pattern 60 according to the first embodiment. The dot pattern 60 is, for example, a special dot pattern (so-called anoto pattern) in which dots are arranged at intervals of 0.3 mm in length and width. As shown in FIG. 3, the dot pattern 60 is composed of a combination of a total of 36 dots, 6 × 6 dots in length and width, arranged on a grid pattern with a spacing of 0.3 mm.

  FIG. 4 is a diagram showing the deviation of the dot pattern 60. As shown in FIG. 4, each dot is slightly shifted from the intersecting point perpendicular to either the upper, lower, left, or right direction. Since each of the 36 dots has 4 positions, a huge number of patterns of 4 to the 36th power can be created.

  In order to form the dot pattern 60, it is necessary to form the dot pattern 60 with a high-resolution printer, but the recording medium 1 described above can be printed with a high-resolution printer. Therefore, the recording medium 1 can be formed even with the predetermined pattern 60 that requires high resolution. The predetermined pattern 60 is not limited to the Anoto pattern, and may be any pattern that can recognize the writing data.

<System configuration>
FIG. 5 is a diagram showing an example of a system for managing information on the recording medium shown in FIG. In the example illustrated in FIG. 5, the information management system includes at least an erasing device 600 and an information processing device 100. Further, the information management system can be a data erasure system or a data input system.

  The information management system includes an information processing apparatus (for example, a host computer) 100, a printer (for example, an ink jet printer) 200, a recording medium 1, a writing apparatus 300, an RFID reader / writer 400, and an erasing apparatus 600. The RFID reader / writer 400 is installed at a work site. The RFID reader / writer 400 has an RFID antenna.

  The information processing apparatus 100, the printer 200, the writing apparatus 300, the RFID reader / writer 400, and the erasing apparatus 600 can transmit and receive data via a network. The printer 200 includes an RFID reader / writer 201 that can write and read data to and from the RFID tag. The RFID reader / writer 201 has an RFID antenna.

  In the data erasing system according to Embodiment 1 shown in FIG. 5, the recording medium 1 is used when erasing data recorded by the process management “A-1” of the model “GX3300”. Hereinafter, a case where the person who performs the process “A-1” is “XXX” and the person who deletes data is “YYY” will be described. “XXX” and “YYY” may be the same person.

  The RFID tag 50 stores information relating to the recording medium 1 or the storage medium 50, for example, “a” that is unique identification information (hereinafter also referred to as a unique ID). This data is sent from the information processing apparatus 100 to the printer 200, and the printer 200 writes the data to the RFID tag 50 of the recording medium 1 using the RFID reader / writer 201. Further, this data may already be stored at the time of factory shipment.

  When the printer 200 acquires data to be printed on the recording medium 1 from the information processing apparatus 100, the printer 200 prints images such as characters and photographs representing work processes, as shown in FIG. The image may be a barcode or the like. The printer 200 ejects ink (image forming material) from the recording head to print a predetermined pattern 60 on a part of the surface of the recording medium 1.

  Here, it is assumed that writing is performed using the writing apparatus 300 on the predetermined pattern 60 printed on the recording medium 1. At this time, the writing data is read by the writing device 300, and the electronic data of the writing data is transmitted to the information processing device 100 described later together with the ID of the storage medium 50. The electronic data of the writing data is managed by the information processing apparatus 100 together with the ID of the storage medium 50.

  Further, it is assumed that the writing data written on the predetermined pattern 60 printed on the recording medium 1 is erased using the erasing device 600. At this time, the erasing device 600 recognizes the erasure of the writing data, and the data indicating the erasure is transmitted to the information processing device 100 together with the ID input by the RFID reader 602 or the input device 650 of the erasing device 600 described later. As a result, the information processing apparatus 100 erases the electronic data of the writing data corresponding to the acquired ID.

(Work contents)
Next, the work content will be described. Prior to work on the data erasure system, work on the data entry system is done on the information management system. First, when “XXX” performs the process “A-1” of the model “GX3300”, the recording medium 1 is held over the RFID reader / writer 400. The RFID reader / writer 400 reads the unique ID “a” stored in the RFID tag 50 of the recording medium 1.

  The read data is transmitted to the information processing apparatus 100, and the information processing apparatus 100 displays a work instruction corresponding to the process “A-1” corresponding to the unique ID “a” on the display screen. As will be described later, the information processing apparatus 100 manages the unique ID “a” and the work process “A-1” in association with each other. The work process “A-1” may be associated with a corresponding work instruction.

  Further, a display unit may be installed in the vicinity of the RFID reader / writer 400, and the display unit may display data read by the RFID reader / writer 400, the above-described work instructions, and the like.

  “XXX” assembles according to the work instructions displayed on the display screen, and when the work is finished, confirms the work according to the check sheet on the recording medium 1. When the confirmation of the check sheet is completed, Mr. “XXX” writes the worker name by handwriting in the column of the worker signature on which the predetermined pattern 60 is printed. In this case, the writing data is, for example, “XXX”. When the writing of the operator name is finished, the work standard is to press the transfer switch of the writing device 300.

  For this reason, when Mr. “XXX” finishes the work, the writing device 300 writes the name of the worker in the column of the worker signature on which the predetermined pattern 60 on the recording medium 1 is printed. The writing apparatus 300 can recognize the writing data as image data (electronic data). The writing device 300 can read data (for example, ID) of the RFID tag 50. The writing device 300 transmits the electronic data of the recognized writing data and the ID of the read RFID tag 50 to the information processing device 100.

  The information processing apparatus 100 manages the received ID of the RFID tag 50 in association with the electronic data of the writing data.

  Next, a case where a data erasing system is used will be described. When the data erasing system is used, “YYY” uses the erasing apparatus 600 to erase the written data that has been written.

  The erasing device 600 inputs the ID of the RFID tag 50 from an RFID reader 602 or an input device 650 described later. When the erasing device 600 recognizes erasure of written data, the erasing device 600 transmits the acquired ID of the RFID tag 50 and data indicating erasure to the information processing device 100. The RFID tag 50 has at least an ID area for storing the unique ID of the RFID tag 50 and a data area for storing predetermined data. The predetermined data is, for example, a work process name.

  Next, the writing device 300 in the data input system and the erasing device 600 in the data erasing system will be described.

<Writing device>
FIG. 6 is a block diagram illustrating an example of the configuration of the writing apparatus 300 in the data input system. The writing apparatus 300 shown in FIG. 6 is a pen type, and includes a reading unit 301, an RFID reader 302, a pen-down detection unit 303, a data recording unit 304, a data transfer unit 305, a transfer switch 306, a clear switch 307, a data processing unit 308, And a writing unit 310.

  The reading unit 301, the RFID reader 302, the pen-down detection unit 303, the data recording unit 304, the data transfer unit 305, the transfer switch 306, the clear switch 307, and the data processing unit 308 are connected to the data bus 309, respectively. The data transfer unit 305 is connected to the information processing apparatus 100 via a wireless or wired line.

  The reading unit 301 is provided at the tip of the writing apparatus 300, optically reads a predetermined pattern 60 on the recording medium 1, and accurately measures the trajectory to obtain writing data as image data. For example, the reading unit 301 uses the pen-down detection unit 303 to perform reading processing when the pen tip is in contact with the recording medium 1.

  The reading unit 301 is, for example, a small camera, and when writing a character, for example, a dot pattern 60 in a range of 1.8 mm square (6 × 6 dots in length and width = 36 dots in total as described above), for example, 75 sheets per second. Perform high-speed shooting. The reading unit 301 reproduces the writing data as image data that has been image-scanned by capturing the position information on the dot pattern 60 that the writing device 300 has passed every moment.

  The RFID reader 302 includes an RFID antenna and reads data from the RFID tag 50 built in the recording medium 1. For example, the RFID reader 302 reads the unique ID “a” from the RFID tag 50 when the pen-down detection unit 303 detects a pen-down. The RFID reader 302 functions as a reading unit that reads data of the RFID tag 50.

  The pen-down detection unit 303 detects whether or not the pen tip of the writing apparatus 300 is in contact with the recording medium 1. The pen-down detection unit 303 is, for example, a writing pressure sensor, and detects the presence or absence of contact between the pen tip and the recording medium 1 by measuring the writing pressure at the pen tip.

  Since the pen-down detection unit 303 only needs to detect contact between the pen tip and the recording medium 1, the pen tip may have a slight stroke in the direction along the pen axis, and a micro switch may be provided at the end thereof. realizable.

  The data recording unit 304 records electronic data of handwritten data generated by the reading unit 301. The electronic data is, for example, image data, but may be character data as long as OCR processing is possible in the writing apparatus 300.

  The data recording unit 304 records the unique ID read by the RFID reader 302 in association with electronic data.

  The data recording unit 304 is a memory having a predetermined capacity sufficient to record electronic data. The data recording unit 304 can also erase the recorded data. The trigger for erasing is when the clear switch 307 is turned on and a signal for erasing is acquired.

  The data transfer unit 305 is a communication unit that can transmit and receive data via a network. The data transfer unit 305 receives electronic data of handwritten data recorded in the data recording unit 304 and a unique ID “a” read from the RFID tag 50. Then, the information is transferred (transmitted) to the information processing apparatus 100. The trigger for transfer is when the transfer switch 306 is turned on and a signal for transfer is acquired.

  The transfer switch 306 is a switch that controls ON / OFF. When the transfer switch 306 is turned on, the data processing unit 308 outputs a signal for transfer to the data transfer unit 305.

  The clear switch 307 is a switch that controls ON / OFF. When the clear switch 307 is turned on, the data processing unit 308 outputs a signal for erasing to the data recording unit 304.

The transfer switch 306 and the clear switch 307 are provided in the writing apparatus 300 so as to be pressed, and are switched ON / OFF by the user. The data processing unit 308 controls the above units. The data processing unit 308 is, for example, a CPU (Central Processing Unit).
Note that the clear switch 307 is not necessarily required.

  The writing device 300 is housed in a cylindrical casing having a pen tip that enables writing on the recording medium 1 like a ballpoint pen or a magic, and operates with electric power supplied from a power source (not shown).

  The writing unit 310 is a unit for visualizing writing data, and is, for example, a pencil lead or a ballpoint pen. The tip of the writing unit 310 is the above-described pen tip. The user visualizes predetermined writing data on the predetermined pattern 60 using the writing unit 310.

  Here, as a specific example of the writing apparatus 300, there is Anotopen manufactured by Anoto. Anotopen realizes digitization of handwritten information, and can also record the writing order, writing speed, writing pressure, pen tilt, writing date and time.

  Note that the information processing apparatus 100 executes various document processing or document management using image data of writing data recorded in the writing apparatus 300. Next, the erasing device 600 for erasing the writing data written by the writing device 300 will be described.

<Erase device>
Next, the configuration of erasing apparatus 600 in the first embodiment will be described. FIG. 7 is a block diagram showing an example of an erasing device (part 1) in the data erasing system. An erasing apparatus 600A illustrated in FIG. 7 includes an erasing unit down detection unit 601, an RFID reader 602, a data recording unit 604, a data transfer unit 605, a transfer switch 606, a clear switch 607, a data processing unit 608, and an erasing unit 610.

  Further, the erasure unit down detection unit 601, the RFID reader 602, the data recording unit 604, the data transfer unit 605, the transfer switch 606, the clear switch 607, and the data processing unit 608 are connected to the data bus 609, respectively. The data transfer unit 605 is connected to the information processing apparatus 100 via a wireless or wired line.

  The erasing unit down detection unit 601 detects whether or not the erasing unit 610 is in contact with the recording medium 1. The erasure unit down detection unit 601 is disposed, for example, on the surface of the erasing unit 610 that faces the contact surface of the recording medium 1 (hereinafter also simply referred to as the back surface) or the side surface of the contact surface (hereinafter also simply referred to as the side surface). It is a pressure sensor. This pressure sensor detects the presence or absence of contact between the erasing unit 610 and the recording medium 1 by measuring the pressure between the erasing unit 610 and the case of the erasing unit 610, for example. While the erasing unit 610 is erasing, the back or side surface of the erasing unit 610 and the case are pressed, and this state is used to determine whether there is contact.

  Note that the erasure unit down detection unit 601 only needs to detect contact between the erasure unit 610 and the recording medium 1, and therefore has a slight stroke on the back surface or side surface of the erasure unit 610 and includes a microswitch at the end thereof. But it can be realized.

  The erasure unit down detection unit 601 is a detection unit that detects that the erasure unit 610 is erasing the writing data when the erasure unit 610 and the recording medium 1 are in contact with each other. The erasure unit down detection unit 601 outputs a read signal to the RFID reader 602 when detecting that the writing data is being erased.

  Further, the erasure unit down detection unit 601 may output a signal for transfer to the data transfer unit 605 when the erasure unit 610 is released from the state in contact with the recording medium 1.

  The RFID reader 602 includes an RFID antenna and reads data from an RFID tag 50 built in the recording medium 1. For example, the RFID reader 602 reads the unique ID “a” from the RFID tag 50 when the erasure unit down detection unit 601 acquires a read signal. The RFID reader 602 functions as a reading unit that reads data from the RFID tag 50.

  The data recording unit 604 records the unique ID read by the RFID reader 602.

  The data transfer unit 605 is a communication unit that can transmit and receive data via a network. The data transfer unit 605 serves as a transmission unit that transfers (transmits) the unique ID (for example, “a”) recorded in the data recording unit 604 to the information processing apparatus 100 together with data indicating erasure for erasing the data. Function. Data indicating erasure is an erasure command, clear data, or the like. The clear data is data for erasing data, for example, NULL data. The trigger for transfer is when the transfer switch 606 is turned on and a signal for transfer is acquired. In addition, as a trigger for transfer, transfer processing may be performed when a signal for transfer is acquired from the erasure unit down detection unit 601.

  The transfer switch 606 is a switch that controls ON / OFF. When the transfer switch 606 is turned on, the data processing unit 608 outputs a signal for transfer to the data transfer unit 605.

  The clear switch 607 is a switch that controls ON / OFF. When the clear switch 607 is turned on, the data processing unit 608 outputs a signal for erasure to the data recording unit 604.

  The transfer switch 606 and the clear switch 607 are provided in the erasing apparatus 600A so that they can be pressed, and the user switches ON / OFF. The data processing unit 608 controls each of the above units. The data processing unit 608 is, for example, a CPU (Central Processing Unit). Note that the transfer switch 606 and the clear switch 307 are not necessarily required configurations.

  In addition, the erasing device 600A has a housing that serves as a case of an erasing unit 610 that enables erasing of information written on the recording medium 1 like an eraser. In this case, for example, an erasure unit down detection unit 601, an RFID reader 602, a data recording unit 604, a data transfer unit 605, a transfer switch 606, a clear switch 607, and a data processing unit 608 are configured. Each part in the housing operates with electric power supplied from a power source (not shown).

  The erasing unit 610 is a unit for erasing written information, and is, for example, an eraser or a friction unit for erasing ball-point pen characters. The user erases predetermined writing data from the predetermined pattern 60 using the erasing unit 610.

  Next, another configuration of the erasing device will be described. FIG. 8 is a block diagram showing an example of an erasing device (part 2) in the data erasing system. An erasing device 600B shown in FIG. 8 includes an erasure unit down detection unit 601, a data recording unit 604, a data transfer unit 605, a transfer switch 606, a clear switch 607, a data processing unit 608, an erasing unit 610, and an input device I / F. (Interface) 611 is provided.

  Here, the difference between the configuration of erasing apparatus 600B shown in FIG. 8 and the configuration of erasing apparatus 600A shown in FIG.

  The input device 650 inputs data stored in the RFID tag 50 to the erasing device 600B. The input device 650 is an input device such as a keyboard.

  The input device I / F 611 functions as an input unit that inputs data from the input device 650, and records data in the data recording unit 604. The input data is information stored in the RFID tag 50 such as an ID of the RFID tag 50, for example.

  Note that the RFID reader 602 illustrated in FIG. 7 and the input device I / F 611 illustrated in FIG. 8 also function as an acquisition unit in the sense that the information stored in the RFID tag 50 is acquired. The processing of other parts of the input device I / F 611 is the same as the processing shown in FIG. Further, the erasing device 600A and the erasing device 600B are simply expressed as the erasing device 600 when it is not necessary to distinguish them.

<Information processing device>
Next, the hardware of the information processing apparatus 100 in Embodiment 1 will be described. FIG. 9 is a block diagram illustrating an example of hardware of the information processing apparatus 100 according to the first embodiment. As illustrated in FIG. 9, the information processing apparatus 100 includes a control unit 101, a main storage unit 102, an auxiliary storage unit 103, an external storage device I / F unit 104, a network I / F unit 105, an input unit 106, and a display unit 107. including. These components are connected to each other via a bus so as to be able to transmit and receive data.

  The control unit 101 is a CPU that controls each device, calculates data, and processes in a computer. The control unit 101 is an arithmetic device that executes a program stored in the main storage unit 102. The control unit 101 receives data from the input device or the storage device, calculates and processes the data, and outputs the data to the output device or the storage device.

  The main storage unit 102 is a ROM (Read Only Memory), a RAM (Random Access Memory), or the like, and a storage device that stores or temporarily stores programs and data such as an OS and application software that are basic software executed by the control unit 101. It is.

  The auxiliary storage unit 103 is an HDD (Hard Disk Drive) or the like, and is a storage device that stores data related to application software or the like.

  The external storage device I / F unit 104 is an interface between the information processing apparatus 100 and a storage medium 108 (for example, a flash memory or an SD card) connected via a data transmission path such as USB (Universal Serial Bus). .

  In addition, a predetermined program is stored in the storage medium 108, and the program stored in the storage medium 108 is installed in the information processing apparatus 100 via the external storage device I / F unit 104, and the installed predetermined program is It can be executed by the information processing apparatus 100.

  The network I / F unit 105 is a peripheral having a communication function connected via a network such as a LAN (Local Area Network) or a WAN (Wide Area Network) constructed by a data transmission path such as a wired and / or wireless line. This is an interface between the device and the information processing apparatus 100.

  The input unit 106 includes a keyboard having cursor keys, numeric input, various function keys, and the like, a mouse and a slice pad for performing key selection on the display screen of the display unit 107, and the like. The input unit 106 is a user interface for a user to give an operation instruction to the control unit 101 and input data.

  The display unit 107 is configured by a CRT, LCD, or the like, and performs display according to display data input from the control unit 101. The display unit 107 may be separate from the information processing apparatus 100, and the information processing apparatus 100 in that case has a display control function for displaying on the display unit 107.

(function)
Next, functions of the information processing apparatus 100 will be described. FIG. 10 is a block diagram illustrating an example of functions of the information processing apparatus 100 according to the first embodiment. In the example illustrated in FIG. 10, the information processing apparatus 100 includes a communication unit 111, a character recognition unit 112, a management unit 113, a mail creation unit 114, a storage unit 115, and a deletion unit 116.

  The communication unit 111 can be realized by the network I / F unit 105, for example. The character recognition unit 112, the mail creation unit 114, and the deletion unit 116 can be realized by the control unit 101, the main storage unit 102 as a work memory, or the like, for example. The management unit 113 can be realized by the control unit 101, the auxiliary storage unit 103, and the like, for example. The storage unit 115 can be realized by the auxiliary storage unit 103, for example.

  The communication unit 111 transmits / receives data via a network. The communication unit 111 receives, for example, electronic data (for example, image data or character data) of writing data or a unique ID from the writing apparatus 300. Further, the communication unit 111 receives the unique ID of the storage medium and / or electronic data of writing data from the RFID reader / writer 400, and transmits the unique ID of the storage medium and the print contents to the printer 200. Further, the communication unit 111 receives data indicating erasure from the erasing apparatus 600 such as a unique ID, an erasure command, and clear data for erasing data.

  The character recognition unit 112 can execute, for example, OCR processing. When the electronic data is image data, the character recognition unit 112 performs character recognition processing on the image data. The character recognition unit 112 performs character recognition processing on, for example, image data “XXX” and converts “XXX” into character data. When the character recognition process ends, the character recognition unit 112 outputs character data “XXX” to the mail creation unit 114.

  The management unit 113 manages the unique ID of the storage medium 50. One or a plurality of unique IDs are managed by the management unit 113. Here, the management unit 113 manages, for example, the unique ID, the work process, and the signed electronic data in association with each other. The management unit 113 may manage, for example, signed image data or character recognized character data as electronic data.

  When the management unit 113 acquires the character data “a” indicating the unique ID and the electronic data from the communication unit 111, first, the management unit 113 performs collation processing to determine whether the character string “a” has already been managed. When the management unit 113 has already managed the character string “a”, the electronic data “XXX” is managed in association with the character string “a”. When the association of the electronic data “XXX” is completed, the management unit 113 notifies the mail creation unit 114 to that effect.

  When the character string “a” is not managed, the management unit 113 performs error processing. The error process is, for example, a process of notifying the writing apparatus 300 of an error, and the writing apparatus 300 is a process of notifying the user by turning on or blinking an LED (Light Emitting Diode) or the like when the error is notified.

  The storage unit 115 stores address information that associates the user name with the mail address. For example, in the address information, a mail address of “XXX@yyy.com” is associated with the user name “XXX”. The address information holds one or more combinations of user names and mail addresses.

  The mail creation means 114 is acquired from the management means 113 or the character recognition means 112 when the management means 113 receives a notification that the association of electronic data has ended, or when the character string “XXX” is deleted. The character string “XXX” is compared with the user name of the address information stored in the storage unit 115.

  When the matching user name is found in the address information, the mail creating unit 114 creates a mail with the mail address corresponding to the user name as the destination. The mail text describes, for example, that the signature association has been completed or that the association has been canceled. The mail creation unit 114 outputs a mail to the communication unit 111. The communication unit 111 transmits the mail created by the mail creation unit 114 to the destination.

  If there is no matching user name, the mail creating unit 114 performs error processing. The error process is, for example, a process of notifying the writing device 300 that the mail could not be transmitted, and activating the vibration function of the writing device 300 or turning on or blinking the LED.

  It should be noted that the error process when the electronic data cannot be associated may be different from the error process when the mail cannot be transmitted. For example, the LED may be turned on when electronic data is not yet stored, and the LED may be blinked when mail is not transmitted.

  As a result, the user can grasp which error processing is performed, and can easily take subsequent measures.

  When the erasure unit 116 acquires the character data “a” indicating the unique ID and the data indicating erasure (for example, the erasure command) from the communication unit 111, is the character string “a” already managed by the management unit 113? Check whether or not. When the management unit 113 has already managed the character string “a”, the deletion unit 116 deletes the electronic data corresponding to “a”.

  In addition, when the erasing unit 116 acquires the clear data, the erasing unit 116 associates the clear data with the character string “a” managed by the management unit 113. That is, when the character string “XXX” is already associated with “a”, the erasure unit 116 overwrites the NULL data and erases the character string “XXX”. The management unit 113 may notify the mail creation unit 114 that the electronic data of the character string “XXX” has been deleted.

  When the character string “a” is not managed, the erasing unit 116 performs error processing in the same manner as in writing.

  Thereby, when the management means 113 manages the signed electronic data, the process can indicate that the work has been completed, and can also manage who has done the work. If the signature is mistakenly performed, the erasure unit 116 can erase the electronic data corresponding to the signature.

<Data example>
Next, transition of various data will be described with reference to FIG. FIG. 11 is a diagram illustrating a transition example of each data.

  FIG. 11A shows an example of data stored in the RFID tag 50 and handwritten data written on the recording medium 1. As shown in FIG. 11A, the RFID tag 50 stores a unique ID “a” for identifying the RFID tag 50 and predetermined data “DDD”. Further, “XXX” is written on the recording medium 1 using the writing device 300.

  FIG. 11B shows a case where handwritten data is erased from the state shown in FIG. When the writing data written on the recording medium 1 is deleted using the erasing device 600, the writing data “XXX” is deleted as shown in FIG.

  FIG. 11C shows an example of data transmitted from the erasing device 600 to the information processing device 100. As illustrated in FIG. 11C, the erasing device 600 transmits the unique ID “a” of the RFID tag 50 and data indicating erasure to the information processing device 100.

  FIG. 11D illustrates an example of data managed by the management unit 113 of the information processing apparatus 100. As shown in FIG. 11D, the management means 113 manages the unique ID, data (for example, process name, etc.) and electronic data of handwritten data in association with each other.

  FIG. 11E shows a case where electronic data is erased from the state shown in FIG. As illustrated in FIG. 11E, the information processing apparatus 100 deletes the electronic data “XXX” corresponding to the received unique ID “a”.

  Thereby, it is possible to match the writing data written on the recording medium 1 with the electronic data of the writing data managed by the information processing apparatus 100. That is, when the writing data written on the recording medium 1 is deleted, the electronic data of the writing data managed by the information processing apparatus 100 can be automatically deleted.

<Recording medium initialization>
The recording medium 1 described above can be initialized. When the recording medium 1 is initialized, it is necessary to erase an image printed on the recording medium 1, a predetermined pattern 60, writing data, and the like. Further, the data written in the RFID tag 50 may be erased once and initialized.

  Next, an image erasing apparatus suitable for erasing the image of the recording medium 1, the predetermined pattern 60, and the data of the RFID tag 50 in the first embodiment will be described. FIG. 12 is a diagram illustrating an example of the configuration of the image erasing apparatus 500.

  The image erasing method of the recording medium 1 in Embodiment 1 includes a removing liquid supply process for supplying a removing liquid (removing liquid for an image forming material) having water or an aqueous liquid to the image holding surface of the recording medium 1, It includes a wiping process for wiping the image holding surface of the recording medium 1. These processes may proceed simultaneously, but are sequentially performed in the image erasing apparatus 500 shown in FIG.

  In the image erasing apparatus 500 shown in FIG. 12, the recording medium 1 is transported into the apparatus by a pair of transport rollers 501, and the removal liquid in the image material removal liquid tank 502 is pressurized at the location where the removal liquid is applied, and liquid ejection Jetted from the nozzle 503 onto the surface of the recording medium 1.

  The liquid ejection nozzle 503 may be a nozzle array including a plurality of nozzle heads, or may be a slit type ejection head. The removing liquid is applied to the surface of the receiving layer 30 having the image forming material, and the intermediate layer 20 is swollen. The removal liquid may be cold or warm, and the temperature only needs to be changed appropriately according to the material of the intermediate layer 20.

  Next, the recording medium 1 is guided to the rubbing process and brushed by the brush roller 508 while being held by the holding roller pair 506 and the holding roller pair 507. Thereby, the swelled intermediate layer 20 is removed.

  However, in the first embodiment, wiping with a woven cloth or the like may be used instead of brushing. A brush cloning belt 509 shown in FIG. 12 removes paste-like debris attached to the brush roller 508.

  Thereafter, in the example shown in FIG. 12, the recording medium 1 removes the remaining intermediate layer 20 material more completely. It is scraped off. Thereafter, the recording medium 1 is discharged onto the tray 513, but such a surface cleaning blade 511 is not necessarily required in the first embodiment.

  Further, the image erasing apparatus 500 includes an RFID reader / writer 512 that can write data to the RFID tag 50.

  The RFID reader / writer 512 erases the data of the RFID tag in the recording medium 1 from which the image or the predetermined pattern has been erased by the image erasing apparatus 500. In this case, the recording medium 1 is ejected to the tray 513 in a state where there is no image or data of the predetermined pattern 60 and the RFID tag 50. As described above, the recording medium 1 after the image removal processing is only the substrate 10. The substrate 10 incorporates an RFID tag 50 as necessary.

<Reproduction of recording medium>
Next, reproduction of the recording medium 1 will be described. FIG. 13 is a diagram illustrating an example of the configuration of the regenerative coating apparatus 800. The reproduction coating apparatus 800 can reproduce the recording medium 1.

  As shown in FIG. 13, in the recording medium 1 having only the substrate 10 by the image erasing process, the intermediate layer 20 is coated on the substrate 10 having water resistance by the reproduction coating apparatus 800, and the intermediate layer 20 is dried. The

  After the intermediate layer 20 is dried, the reproduction coating apparatus 800 coats the receiving layer 30 for the image forming material 40 on the surface opposite to the substrate 10 side of the intermediate layer 20 and dries it. Thereby, the reproduction of the recording medium 1 is completed.

<Specific example>
Here, a specific example of a series of operations of image formation, image erasure, and reproduction of the recording medium 1 will be described. Depending on the model to be produced and each process, images such as characters, bar codes, photographs, etc. representing the work process are replaced, and the recording medium 1 is rewritten.

  Also, since the workers are different, it is necessary to erase written data written with a ballpoint pen or magic in the column of worker signatures. Further, since the layout printed on the recording medium 1 is also changed depending on the model and each process, the position and size of the predetermined pattern 60 are also changed as necessary.

  FIG. 14 is a diagram illustrating a specific example of a series of operations of image formation, image erasure, and reproduction. As shown in FIG. 14, the recording medium 1 changes to the states (1) to (6). Each state will be described using the surface of the recording medium 1 and the cross section of the recording medium 1.

  The state (1) indicates a state at the time of factory shipment, for example. The recording medium 1 in the state (1) has a substrate 10, an intermediate layer 20 on the substrate 10, and a receiving layer 30 on the intermediate layer 20. The RFID tag 50 at this time stores, for example, unique identification information (unique ID) of the RFID tag.

  The state (2) indicates a state in which an image (including the image 70) and a predetermined pattern 60 are formed by the image forming material 40 by the printer 200. For example, the image 70, the predetermined pattern 60, and the like are printed on the recording medium 1 by inkjet ink. At this time, the RFID reader / writer 201 of the printer 200 transmits data for recognizing the model to be assembled and data for recognizing the working process “A-1” corresponding to the unique ID of the RFID tag 50 at the time of printing. The tag 50 may be written. On the recording medium 1 of (2), the image 70 and the predetermined pattern 60 in the case of the process “A-1” are printed.

  The state of (3) indicates a state in which the work of the process “A-1” is completed and the name of the worker is written on the predetermined pattern 60 by the worker. Here, the name of the worker is “XXX”. At this time, the worker writes his / her name using the writing apparatus 300 described above.

  Thereafter, for example, the writing apparatus 300 transmits the generated electronic data “XXX” together with the ID of the RFID tag 50 to the information processing apparatus 100. Thereby, the information processing apparatus 100 can manage the unique ID of the RFID tag 50 and the electronic data in association with each other.

  The state (4) indicates a state in which the operator's name has been erased by the erasing device 600. The written data is erased, for example, when the name of the operator is incorrect or when electronic data cannot be correctly recognized. At this time, the person who erases erases the name using the above-described eraser 600. Thereafter, for example, the erasing apparatus 600 transmits data indicating erasure together with the acquired unique ID to the information processing apparatus 100.

  The state (5) indicates a state in which the operator's name is written again on the predetermined pattern 60. The processing in this case is the same as (3).

  The state (6) indicates a state after the image erasing process is performed on the recording medium 1 in the state (3) or (5). When the work is completed on the recording medium 1 in the state of (3) or (5) and the use is finished, image erasing for reusing the recording medium 1 is performed. The recording medium 1 is subjected to an image erasing process by the image erasing device 500 to erase the image 70, the predetermined pattern 60, and the like.

  Further, for example, data other than the unique ID is deleted by the RFID reader / writer 512 from the RFID tag 50 in the recording medium 1. Note that the unique ID may be deleted as necessary. At this time, the recording medium 1 is only the substrate 10.

  The state (7) indicates a state where the reproduction coating process is performed after the image is erased. In the recording medium 1 in the state (7), the intermediate layer 20 and the receiving layer 30 are reproduced on the substrate 10 by the reproduction coating process. As a result, the recording medium 1 returns to the state (1), is initialized for reproduction, and is reused.

  The state (8) indicates a state where an image different from the state (2) and a predetermined pattern are printed. On the recording medium 1 of (8), the image 70 and the predetermined pattern 60 in the case of the process “A-2” are printed. The recording medium 1 in (8) is different from the recording medium 1 in the state of (2) in the size and position of the predetermined pattern 60 and the position of the image 70. Further, if the unique ID of the RFID tag 50 can be rewritten, it may be rewritten. As a result, the recording medium 1 can change the formed image, change the position and size of the predetermined pattern to be formed, and rewrite the unique ID according to the model and process contents. .

  In the recording medium 1 of (8), after the unique ID “b” is stored in the RFID tag 50, the operator name “YYY” is written on the predetermined pattern 60 by the writing device 300. Then, the same processing as the processing of “XXX” described above is performed.

(Working example)
Next, an application example of data input using the data input system according to the first embodiment will be described. FIG. 15 is a diagram illustrating an example of a work process. Here, an example is shown in which a container carrying a product goes through each process. RFID reader / writers 400 and 401 are installed for each process.

  For example, the worker “XXX” performs the work in the process “A-1”, and when the work is completed, signs the recording medium 1 using the writing apparatus 300 and moves the container to the next process.

  The worker “ZZZ” performs the work in the process “A-2”, and when the work is completed, signs the other recording medium 1 using the writing apparatus 300 and moves the container to the next process. In this case, if each RFID reader / writer reads the RFID tag of the recording medium, it is possible to quickly grasp who is in charge of which work.

  For example, when an error inspection machine indicates that an operation in a predetermined process is an error when starting each operation, the RFID reader / writer transmits electronic data associated with the unique ID of the RFID tag corresponding to that process. read. The read electronic data is displayed on the display unit or output by voice so that the operator who has performed the error work can be easily identified without having to check the title column of the recording medium. Will be able to.

<Operation>
Next, the operation of the information management system in the first embodiment will be described. Hereinafter, an RFID preparation process example, a writing apparatus process example, an erasing apparatus process example, an information processing apparatus data management process example, and an information processing apparatus mail process example will be described in this order.

(RFID tag preparation process)
FIG. 16 is a flowchart illustrating an example of RFID tag preparation processing. In step S101 shown in FIG. 16, the RFID tag 50 is numbered with a unique number and stores the number as a unique ID.

  In step S102, the information processing apparatus 100 manages the unique ID set (stored) in the RFID tag 50 in association with a work process or the like.

  Thereby, the information processing apparatus 100 can manage the unique ID of the RFID tag 50 included in the recording medium 1.

(Processing of writing device)
FIG. 17 is a flowchart illustrating an example of processing of the writing apparatus 300. In step S <b> 201 shown in FIG. 17, the reading unit 301 determines whether or not writing data written on the predetermined pattern 60 is detected. When the reading unit 301 detects writing data, the reading unit 301 acquires image data of the writing data. If the reading unit 301 does not detect writing data, the process returns to step S201. When the reading unit 301 acquires the image data of the writing data, the reading unit 301 proceeds to step S202.

  In step S <b> 202, the data recording unit 304 stores electronic data of writing data generated by the reading unit 301. At this time, the data recording unit 304 stores the electronic data in association with the unique ID read from the RFID reader 302.

  In step S203, the data processing unit 308 determines whether or not the clear switch 307 is turned on. The data processing unit 308 can determine that the clear switch 307 has been turned on when the push signal is acquired from the clear switch 307. If the clear switch 307 is ON (step S203—YES), the process returns to step S201. If the clear switch 307 is OFF (step S203—NO), the process proceeds to step S204.

  In step S204, the data processing unit 308 determines whether or not the transfer switch 306 is turned on. The data processing unit 308 can determine that the transfer switch 306 has been turned ON when the pressing signal is acquired from the transfer switch 306. If the transfer switch 306 is OFF, the process returns to step S203 to determine whether the clear switch has been turned ON during that time. If the transfer switch is turned on (YES in step S204), the process proceeds to step S205.

  In step S <b> 205, the data transfer unit 305 transmits the unique ID and electronic data to the information processing apparatus 100.

  Thereby, the writing apparatus 300 transmits the unique ID of the RFID tag 50 and the electronic data of the writing data (handwritten signature) to the information processing apparatus 100, so that the information processing apparatus 100 associates these pieces of information. Can be managed. Note that the process of step S203 is not necessarily a necessary process.

(Eraser processing)
FIG. 18 is a flowchart illustrating an example of the process (part 1) of the erasing apparatus 600. The process shown in FIG. 18 is executed by the erasing apparatus 600A.

  In step S <b> 301 shown in FIG. 18, the erasure unit down detection unit 601 determines whether or not the erasure unit 610 is in contact with the recording medium 1. That the erasing unit 610 is in contact with the recording medium 1 is referred to as down. If a down is detected (step S301-YES), it will progress to step S302, and if a down is not detected (step S301-NO), it will return to step S301.

  In step S <b> 302, the RFID reader 602 reads the unique ID from the RFID tag 50 included in the recording medium 1.

  In step S303, the data recording unit 604 records the read unique ID in the ID storage area.

  In step S304, the erasure unit down detection unit 601 determines whether or not the down state has changed to the non-down state. The non-down state corresponds to no down detection. If down is not detected (step S304—YES), the process proceeds to step S305. If down is not detected (step S304—NO), the process returns to step S304.

  In step S <b> 305, the data transfer unit 605 transmits data indicating deletion together with the unique ID recorded in the data recording unit 304 to the information processing apparatus 100.

  FIG. 19 is a flowchart illustrating an example of the process (part 2) of the erasing apparatus 600. The process shown in FIG. 19 is executed by the erasing apparatus 600B.

  In step S401 illustrated in FIG. 19, the input device I / F 611 determines whether data is input from the input device 650. This data may be a unique ID of the RFID tag 50, for example. If data is input (step S401—YES), the process proceeds to step S402. If no data is input (step S401—NO), the process returns to step S401.

  In step S402, the erasure unit down detection unit 601 determines whether a down is detected. If a down is detected (step S402-YES), it will progress to step S403, and if a down is not detected (step S402-NO), it will return to step S402.

  In step S403, the data recording unit 604 records the input unique ID in the ID storage area.

  The processing in steps S404 to S405 is the same as the processing in steps S304 to S305 shown in FIG.

  As a result, the erasing device 600 issues a command to erase the electronic data managed on the information processing device 100 side and associated with the unique ID of the RFID tag 50 together with the erasure of the handwritten data (handwritten signature). can do.

(Information management processing of information processing device)
FIG. 20 is a flowchart illustrating an example of information management processing of the information processing apparatus 100. In the example shown in FIG. 20, an erasure command is taken as an example of data indicating erasure.

  In step S501 illustrated in FIG. 20, the communication unit 111 determines whether data has been received from the writing apparatus 300 or the erasing apparatus 600. If data is received (step S501-YES), the process proceeds to step S502, and if data is not received (step S501-NO), the process returns to step S501.

  In step S502, the communication unit 111 analyzes the received data. It is determined by analysis processing what data is included in the received data.

  In step S503, the communication unit 111 determines whether the received data includes an erasure command. If an erase command is included (step S503-YES), the process proceeds to step S505, and if an erase command is not included (step S503-NO), the process proceeds to step S504.

  In step S504, the management unit 113 manages the received unique data and the electronic data of the writing data in association with each other.

  In step S505, the erasure unit 116 searches for the unique ID managed by itself to match the character data of the received unique ID.

  In step S506, the erasure unit 116 determines whether there is a matching unique ID. If there is a matched unique ID (step S506-YES), the process proceeds to step S508, and if there is no matched unique ID (step S506-NO), the process proceeds to step S507.

  In step S507, the erasing unit 116 performs error processing. The error process is a process in which an error notification is transmitted to the erasing device 600, and the erasing device 600 notifies the user of the error by, for example, lighting or blinking an LED or vibrating the LED.

  In step S508, the erasing unit 116 erases electronic data (for example, image data) associated with the matched unique ID.

  Thereby, the information processing apparatus 100 can delete the electronic data of the writing data managed by the information processing apparatus 100 along with the deletion of the writing data written on the recording medium 1.

(Information processing device mail processing)
FIG. 21 is a flowchart illustrating an example of mail processing of the information processing apparatus 100. The process shown in FIG. 21 is a process performed after electronic data is associated.

  In step S601 shown in FIG. 21, the character recognition means 112 performs character recognition processing (OCR processing) on the received electronic data (image data) and converts it into character data. Here, the operator name is obtained as character data. If the electronic data is character data, step S601 is omitted.

  In step S <b> 602, the mail creation unit 114 searches the address information stored in the storage unit 115 for a user name that matches the worker name that has been character-recognized.

  In step S603, the mail creating unit 114 determines whether there is a matching user name. If there is a matching user name (step S603—YES), the process proceeds to step S604, and if there is no matching user name (step S603—NO), the process proceeds to step S606.

  In step S604, the mail creation unit 114 acquires a mail address corresponding to the matching user name from the address information, and creates a mail using the mail address as a destination. The mail text is, for example, a text notifying that the association of the image data has been completed.

  In step S605, the communication unit 111 transmits the mail created by the mail creation unit 114. As a result, the worker can know that the image data of his / her signature has been successfully managed by the information processing apparatus 100.

  In step S606, the mail creation unit 114 performs error processing. In the error process, for example, the writing apparatus 300 is notified that mail could not be transmitted. When the writing device 300 is notified that mail transmission is impossible, the writing device 300 lights or blinks the LED, or activates the vibration function. Note that this error processing may be different from the error processing associated with image data. Thereby, the worker can know that the mail could not be transmitted, and can know that the mail address should be registered in the information processing apparatus 100.

  As described above, according to the first embodiment, when the written information is erased, consistency between the written information and the recorded information can be achieved. For example, the consistency of information can be achieved by erasing data associated with the unique ID managed by the information processing apparatus 100 in accordance with the erasure of written information.

  Further, according to the first embodiment, it is possible to re-form a predetermined pattern by forming a predetermined pattern capable of recognizing writing data on a recording medium capable of printing at a high resolution. Can do.

  Further, even if the recording medium in the first embodiment is handwritten on a predetermined pattern, the written data can be erased. Further, the recording medium in the first embodiment can be printed by an ink jet printer capable of high resolution, and for example, minute dots such as an Anoto pattern can be formed.

  In addition, the recording medium in the first embodiment includes a storage medium such as a wireless IC chip, thereby associating image data of data written on a predetermined pattern with information stored in the storage medium. become able to.

  In Embodiment 1, the writing device 300 and the erasing device 600 are described as separate bodies, but they may be provided in the same housing. In this case, the RFID reader, the data transfer unit, the data recording unit, and the data processing unit are shared by the writing device and the erasing device.

  Further, when the erasing unit 610 is an eraser, for example, the erasing device 600 can replace the erasing unit 610 with respect to the housing. In this case, a configuration other than the erasing unit 610 may be mounted on the casing of the erasing unit 610 as an erasing device.

[Embodiment 2]
Next, the information management system in Embodiment 2 is demonstrated. In the information management system according to the second embodiment, history identification information for identifying the history written in the recording medium 1 is given to the information processing device, and history identification information is assigned to each data sent from the writing device. By doing so, the image data is managed. The history identification information is, for example, a history number.

  In the second embodiment, a data management method of the information processing apparatus 100 will be described using the same reference numerals as those described in the first embodiment. In the second embodiment, since the configuration other than the data management method of the information processing apparatus 100 is the same as that of the first embodiment, the description thereof is omitted.

<Data example>
FIG. 22 is a diagram illustrating an example of data managed by the management unit 113 of the information processing apparatus 100 according to the second embodiment. The example illustrated in FIG. 22 illustrates data management when image data corresponding to the unique ID “a” is transmitted again from the writing apparatus 300.

  In the example shown in FIG. 22A, data (for example, process), history (history identification information), and electronic data corresponding to the unique ID “a” and the unique ID “b” are managed. The history is, for example, a history number indicating the order when the same unique ID is transmitted.

  Here, from the state where the information processing apparatus 100 manages the data shown in FIG. 22A, the information processing apparatus 100 has transmitted the unique ID “a” and the electronic data “XXX” from the writing apparatus 300. Suppose.

  In the example shown in FIG. 22B, two histories are managed for the electronic data corresponding to the unique ID “a”. This is because the electronic data corresponding to the unique ID “a” is transmitted twice from the writing device 300, so that the history numbers “01” and “02” are given and the two times transmitted together with the unique ID “a”. Electronic data is distinguished by history number.

  Therefore, when the management unit 113 obtains the electronic data of the writing data corresponding to one unique ID a plurality of times, the management unit 113 associates the history identification information (for example, the history number) with each electronic data of the writing data, so Manage your history.

<Operation>
Next, the operation of the information management system in the second embodiment will be described. Since the RFID preparation process and the writing apparatus process are the same as those in the first embodiment, description thereof is omitted.

(Processing of information processing device)
FIG. 23 is a flowchart illustrating an example of processing of the information processing layer device 100 according to the second embodiment. In step S701 illustrated in FIG. 23, the communication unit 111 determines whether data has been received from the writing apparatus 300. If data is received (step S701—YES), the process proceeds to step S702. If no data is received (step S701—NO), the process returns to step S701.

  In step S702, the management unit 113 reads the number of bytes determined from the top of the image data. The head part includes a unique ID.

  In step S703, the management unit 113 searches the unique ID managed by itself for a match with the received character data of the unique ID.

  In step S704, the management unit 113 determines whether there is a matching unique ID. If there is a matching unique ID (step S704-YES), the process proceeds to step S705, and if there is no matching unique ID (step S704-NO), the process proceeds to step S707.

  In step S705, the management unit 113 stores the electronic data in the storage unit (for example, the storage unit 115) in association with the matched unique ID and the history number. The storage unit is provided inside or outside the management unit 113 and is, for example, a RAM.

  In step S706, the management unit 113 increments the history number corresponding to the matched unique ID stored in the storage unit. This is to cope with a case where the same unique ID is transmitted to the information processing apparatus 100 next time.

  Note that step S706 is performed after the image data is stored, but may be performed before step S705. In addition, the history number is incremented, for example, by moving the history number stored in the storage unit to the history number of the next address.

  In step S707, the management unit 113 performs error processing. In the error process, an error notification is transmitted to the writing apparatus 700, and the writing apparatus 700 is a process of notifying the user of an error by, for example, lighting or blinking an LED or vibrating the LED.

  As described above, according to the second embodiment, when electronic data is transmitted a plurality of times for one unique ID, the information processing apparatus 100 can store each electronic data by assigning a history number. it can.

[Embodiment 3]
Next, the information management system in Embodiment 3 is demonstrated. In the information management system according to the third embodiment, the writing device is divided into writing means and position information acquisition means having a function as a reading unit.

<Example of data entry>
In the third embodiment, the method of data input is different from the above embodiment. FIG. 24 is a diagram illustrating an example of data input in the third embodiment. FIG. 24 is an enlarged view of the vicinity of the recording medium 1 shown in FIG.

  As shown in FIG. 24, the writing apparatus 700 is divided into writing means 710 and position information acquisition means 720. The writing means 710 is a pen, for example, and the position information acquisition means 720 is installed near the writing location of the writing means 710.

  In the example shown in FIG. 24, writing is performed on the dot pattern 60, but writing is not necessarily performed on the dot pattern 60. That is, in Embodiment 3, the dot pattern 60 may not be formed on the recording medium 1.

  In the example illustrated in FIG. 24, the position information acquisition unit 720 acquires infrared rays and ultrasonic waves generated from the writing unit 710. The position information acquisition means 720 reads written data using the acquired infrared rays and ultrasonic waves.

<Writing device>
FIG. 25 is a block diagram illustrating an exemplary configuration of the writing apparatus 700 according to the third embodiment. The writing apparatus 700 according to the third embodiment includes writing means 710 and position information acquisition means 720. Note that in the writing apparatus 700, the same components as those in the above-described embodiments are denoted by the same reference numerals. In the following, differences from the above embodiment will be mainly described.

(Writing means)
The writing unit 710 includes a pen-down detection unit 303, a control unit 711, an ultrasonic generation circuit 712, and an infrared generation circuit 713.

  When the pen-down detection unit 303 detects that the pen tip of the writing unit 710 is in contact with the recording medium 1 and is pressed, the pen-down detection unit 303 notifies the control unit 711 of an ON signal. The ON signal is notified to the control unit 711 while pen-down is detected.

  Upon receiving an ON signal from the pen-down detection unit 303, the control unit 711 applies a power supply voltage to the ultrasonic generation circuit 712 and the infrared generation circuit 713, and periodically generates an ultrasonic signal and an infrared signal. The ultrasonic signal and the infrared signal are generated while the ON signal is notified.

  On the other hand, when there is no notification of the ON signal from the pen-down detection unit 303, the control unit 711 stops supplying the power supply voltage to the ultrasonic generation circuit 712 and the infrared generation circuit 713, and stops generating the ultrasonic signal and the infrared signal. Let However, the generation start and stop timings of the ultrasonic signal and the infrared signal are not necessarily synchronized with the presence or absence of the ON signal.

  As a result, the writing means 710 generates an ultrasonic signal and an infrared signal while being written by the user using the writing means 710.

(Position information acquisition means)
The position information acquisition unit 720 includes a reading unit 721, an RFID reader 302, a data recording unit 304, a data transfer unit 305, a transfer switch 306, a clear switch 307, and a data processing unit 308.

  The reading unit 721 includes an infrared light receiving unit 722, an ultrasonic wave receiving unit 723, an infrared ultrasonic wave measuring unit 724, and a coordinate calculation unit 725. As will be described later, the reading unit 721 receives a signal or light generated from the writing unit 710 during writing, and generates electronic data representing predetermined writing data based on a change in the received signal or light.

  The infrared light receiving unit 722 is an infrared sensor including, for example, an IrDA (Infrared Data Association) standard module. The infrared light receiving unit 722 receives the infrared signal generated from the infrared generation circuit 713, and generates a signal when the infrared signal is received. The infrared light receiving unit 722 can receive the received infrared signal without being blocked by providing an opening in the position information acquisition unit 720 or the like.

  The ultrasonic receiving unit 723 is an ultrasonic sensor using, for example, PVDF (Polyvinylidene Fluoride). Two ultrasonic wave receivers 723 are provided at the left and right ends of the position information acquisition unit 720 in the longitudinal direction.

  The ultrasonic reception unit 723 receives the ultrasonic signal generated from the ultrasonic generation circuit 712, and generates a signal when the ultrasonic signal is received. The ultrasonic receiving unit 723 can receive an ultrasonic signal without being blocked by providing an opening in the position information acquisition unit 720.

  The infrared ultrasonic measurement unit 724 measures the time difference between the signal output from the infrared light reception unit 722 and the signal output from the ultrasonic reception unit 723. That is, the infrared ultrasonic measurement unit 724 measures each arrival time difference from the reception of the infrared signal to the reception of the ultrasonic signal.

The infrared signal flies at a speed of light of about 3 × 10 ⁸ m / s, while the ultrasonic signal flies at a speed of sound of about 3.5 × 10 ² m / s. Therefore, the arrival time from the writing means 710 for the infrared signal to the infrared light receiving section 722 is negligibly small with respect to the arrival time from the writing means 710 for the ultrasonic signal to the ultrasonic receiving section 723. Therefore, the infrared ultrasonic measurement unit 724 can use the measured arrival time difference as the flight time of the ultrasonic signal from the writing unit 710 to the ultrasonic reception unit 723.

  The coordinate calculation unit 725 calculates the position of the writing means 710 (pen) from the time difference measured by the infrared ultrasonic measurement unit 724 and reads the writing data. For example, the coordinate calculation unit 725 converts the flight time of the ultrasonic signal measured by the infrared ultrasonic measurement unit 724 into a flight distance, and the known distance between the flight distance and the two ultrasonic reception units 723. Is used to calculate the position coordinate data of the writing means 710 by the three-side survey method. The calculated position coordinate data (read data) may be recorded in the data recording unit 304 in association with the unique ID of the recording medium 1.

  The unique ID can be acquired using the RFID reader 302 as described above. In addition, the data processing unit 308 may generate image data from the position coordinate data of the read data and record the image data in the data recording unit 304. In this case, the image data recorded in the data recording unit 304 is transmitted by the data transfer unit 305.

<Operation>
Next, the operation of the information management system in the third embodiment will be described. Processing different from the above embodiments will be described.

(Processing of writing device)
FIG. 26 is a flowchart illustrating an example of processing of the writing apparatus 700 according to the third embodiment. The processes in steps S801 to S802 shown in FIG. 26 are the same as the processes in steps S201 to S202 shown in FIG.

  In step S803, the reading unit 721 determines whether writing data has been detected. For example, when the reading unit 721 receives an infrared signal or an ultrasonic signal, the reading unit 721 determines that the writing data is detected.

  If writing data is detected (step S803-YES), it will progress to S804, and if writing data is not detected (step S803-NO), it will return to step S803. In step S804, the data recording unit 304 stores the read data of the writing data at the address next to the unique ID.

  In step S805, the data processing unit 308 determines whether the transfer switch 306 is turned on. The data processing unit 308 can determine that the transfer switch 306 has been turned ON when the pressing signal is acquired from the transfer switch 306. If the transfer switch 306 is OFF, the process returns to step S805. If the transfer switch is ON (step S805-YES), the process proceeds to step S806.

  In step S806, the data transfer unit 305 transmits the read data recorded in the data recording unit 304 to the information processing apparatus 100 in association with the unique ID. Thereby, writing data can be acquired using an ultrasonic signal or an infrared signal.

(Information management processing of information processing device)
FIG. 27 is a flowchart illustrating an example of information management processing of the information processing apparatus 100 according to the third embodiment. In step S901 shown in FIG. 27, the communication unit 111 determines whether or not read data has been received from the writing apparatus 700. If read data is received (step S901—YES), the process proceeds to step S902. If read data is not received (step S901—NO), the process returns to step S901.

  In step S902, the management unit 113 reads the number of bytes determined from the top of the image data. The head part includes a unique ID.

  In step S903, the management unit 113 searches the unique ID managed by itself for a match with the character data of the received unique ID.

  In step S904, the management unit 113 determines whether there is a matching unique ID. If there is a matched unique ID (step S904-YES), the process proceeds to step S905, and if there is no matched unique ID (step S904-NO), the process proceeds to step S907.

  In step S905, the management unit 113 includes an image data generation unit, and generates image data based on the position coordinate data of the read data. The generation of the image data is performed on the data that has not been read in the process of S902. Note that the image data may be generated by another information processing apparatus having an image data generation unit.

  In step S906, the management unit 113 stores, for example, image data of the worker name in association with the matched unique ID.

  In step S907, the management unit 113 performs error processing. In the error process, an error notification is transmitted to the writing apparatus 700, and the writing apparatus 700 is a process of notifying the user of an error by, for example, lighting or blinking an LED or vibrating the LED.

  In the process shown in FIG. 27, in order to reduce the processing load, the image generation process is performed when there is a matching ID, but the timing of image generation is associated with the unique ID after data is received. Any timing may be used.

  Thus, the information processing apparatus 100 manages the completion of the work by managing the electronic data of the worker name, and can also manage the worker name.

  As described above, according to the third embodiment, even if the writing device is divided into the writing means such as a pen and the position information acquiring means having the function of the reading unit, the same effect as the above-described embodiment can be obtained. Can do.

  As described above, the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of disclosed constituent elements. For example, some components may be deleted from all the components shown in the embodiment.

1 Recording medium 10 Substrate 20 Intermediate layer 30 Receiving layer 40 Image forming material 50 RFID tag 60 Predetermined pattern 70 Image 80 Unique ID
DESCRIPTION OF SYMBOLS 100 Information processing apparatus 111 Communication means 112 Character recognition means 113 Management means 114 Mail preparation means 115 Storage means 116 Erase means 200 Printer 201 RFID reader / writer 300 Writing device 301 Reading part 302 RFID reader 303 Pen down detection part 304 Data recording part 305 Data transfer Unit 306 transfer switch 307 clear switch 308 data processing unit 310 writing unit 601 erasing unit down detection unit 602 RFID reader 604 data storage unit 605 data transfer unit 608 data processing unit 610 erasing unit 711 control unit 712 ultrasonic wave generation circuit 713 infrared generation circuit 722 Infrared light receiving unit 723 Ultrasonic wave receiving unit 724 Infrared ultrasonic wave measuring unit 725 Coordinate calculation unit

JP 2007-279889 A Japanese Patent Laid-Open No. 2002-278692 JP 2006-99559 A JP 2002-82864 A

Claims (6)

An information management system in which an erasing device for erasing written data written on a recording medium and an information processing device for managing electronic data of the written data are connected via a network,
The erasing device is
Obtaining means for obtaining information stored in a storage medium included in the recording medium;
Detecting means for detecting that the writing data is being erased by the erasing device;
A transmission unit that transmits information acquired by the acquisition unit and data indicating deletion to the information processing apparatus when the detection unit detects deletion of the writing data;
With
The information processing apparatus includes:
Management means for managing information stored in the storage medium in association with electronic data of the writing data;
When data indicating the erasure is received from the erasing device, erasing means for erasing electronic data corresponding to the received information;
An information management system comprising: The storage medium stores identification information for identifying the storage medium,
The erasing means includes
The information management system according to claim 1, wherein the electronic data associated with the identification information is erased. The acquisition means includes
The information management system according to claim 1, wherein the information management system is a reading unit that reads information from the storage medium or an input unit that inputs information from an external input device. The recording medium is
A substrate having water resistance;
An intermediate layer containing a water-soluble resin that dissolves or swells with water or an aqueous liquid on at least one surface of the substrate;
The surface of the intermediate layer different from the surface on the substrate side has permeability to the water or aqueous liquid, and the disintegration or the adhesion state with the intermediate layer is relaxed by dissolution or swelling of the intermediate layer. And a receptive layer
The information management system according to any one of claims 1 to 3, wherein the predetermined pattern capable of recognizing the writing data can be formed on at least the receiving layer with a hydrophilic image forming material.   The information management system according to claim 4, wherein the predetermined pattern is each dot arranged on a grid at a predetermined interval, and each dot is shifted in any of the vertical and horizontal directions from the grid intersection. . An erasing device connected via an information processing device for managing electronic data of written data written on a recording medium via a network, and capable of erasing the written data,
Obtaining means for obtaining information stored in a storage medium included in the recording medium;
Detecting means for detecting that the writing data is being erased by the erasing device;
A transmission unit that transmits information acquired by the acquisition unit and data indicating deletion of the electronic data to the information processing apparatus when the detection unit detects deletion of the writing data;
An erasing device comprising:

Images