JP2014099116A - Information input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information input device capable of suppressing the positional deviation of a booklet-like recording medium during writing in a sheet.SOLUTION: In a reading device 2, a cover sheet 110L is positioned via a medium holding sheet 5L by attaching sections 71L and 72L so that a substantially whole page space of the cover sheet 110L faces a sensor substrate. A cover sheet 110R is positioned via a medium holding sheet 5R by attaching sections 71R and 72R so that a substantially whole page space of the cover sheet 110R faces the sensor substrate. On the basis of the position of an electronic pen 3 detected by the sensor substrate, stroke data written in a sheet 120 overlapping the cover sheets 110L and 110R is acquired.

Description

  The present invention relates to an information input apparatus capable of acquiring information input on a booklet-shaped recording medium in which a plurality of sheets are bound.

  2. Description of the Related Art Conventionally, there is known a technique for storing and managing information entered in a booklet-shaped paper medium in which a plurality of sheets are bound, by digitizing the information (see, for example, Patent Document 1). In the information management system disclosed in Patent Document 1, a human puts a notebook on a digitizer pad and describes handwritten content with a dedicated pen. The handwritten content is read as image data by the digitizer and stored in the memory of the PC.

JP 2002-132944 A

  In the information management system disclosed in Patent Document 1, since the notebook is not fixed to the digitizer, the position of the notebook may be shifted on the digitizer during content description. When the position of the notebook is shifted on the digitizer, the reproducibility of the content based on the image data read into the digitizer may be deteriorated.

  An object of the present invention is to provide an information input device capable of suppressing the occurrence of positional deviation of a booklet-shaped recording medium during entry on a sheet.

  An information input device according to an aspect of the present invention includes a booklet-like shape in which a pair of covers and a plurality of sheets arranged in an overlapping manner between the pair of covers are bound at a part of each edge. An information input device capable of acquiring information input on a recording medium, a pair of plate-like bodies capable of detecting the position of an adjacent writing instrument, and a paper surface of a first cover of the pair of covers A first detection unit capable of facing the entire surface, a second detection unit capable of facing substantially the entire surface of the second cover of the pair of covers, and a substantially entire surface of the first cover covering the first detection unit. A first positioning portion that positions the first cover so as to face each other, and a second positioning portion that positions the second cover such that substantially the entire surface of the second cover faces the second detection portion. , Based on the position of the writing instrument detected by the first detection unit, Based on the position of the writing instrument detected by the first information acquisition means for acquiring information entered on the paper that overlaps the first cover positioned by the positioning part, and the second detection part, the second Second information acquisition means for acquiring information to be written on the sheet overlapping the second cover positioned by the positioning unit.

  In the information input device, the first cover is positioned by the first positioning unit so that substantially the entire surface of the first cover faces the first detection unit. The second cover is positioned by the second positioning unit so that substantially the entire surface of the second cover faces the second detection unit. Based on the position of the writing instrument detected by the first detection unit, information to be entered on a sheet overlapping the first cover is acquired. Based on the position of the writing instrument detected by the second detection unit, information to be entered on a sheet overlapping the second cover is acquired. According to this, the pair of detection units (the first detection unit and the second detection unit) are independent from each other, and one of the pair of cover sheets is positioned on each detection unit. Therefore, it is possible to suppress the positional deviation of the booklet-shaped recording medium during the entry on the paper that overlaps one of the pair of cover sheets.

  The first detection unit and the second detection unit are arranged side by side so that the opposing sides extend in parallel, and are rotatable around an axis extending between the opposing sides, And it may be movable in the direction which approaches and separates from each other across the axis. In this case, along with the behavior of the pair of cover sheets, the pair of detection units can rotate with the axis therebetween and can move in directions toward and away from each other. As described above, the pair of detection units move following the pair of covers, and thus the positional deviation of the recording medium can be further suppressed.

  The first positioning part protrudes toward the first cover facing the first detection part, and is connected to the first cover or the member to which the first cover is attached, which is stacked on the first detection part. The second positioning portion protrudes toward the second cover facing the second detection portion, and the second cover or the second cover placed on the second detection portion is attached to the second positioning portion. It may be connectable to other members. In this case, the pair of positioning portions (the first positioning portion and the second positioning portion) are connected to a member to which one of the pair of cover sheets is attached. Therefore, the pair of detection units can follow and move easily and smoothly via a member that operates in accordance with the behavior of the pair of covers.

  A sensor unit that optically reads information from an image pattern provided on the first cover in a state where the first cover is positioned by the first positioning unit may be provided. In this case, not only the information written on the sheet can be acquired by the pair of detection units, but also the information can be optically acquired from the cover by the sensor unit.

  You may provide the flexible cover member in which said 1st detection part and said 2nd detection part are accommodated. In this case, the cover member can protect the pair of detection units, and the pair of detection units can move following the pair of cover sheets in the flexible cover member.

1 is an overall configuration diagram of a handwriting input system 1. FIG. It is the perspective view seen from diagonally forward of the reader 2 of the open state. 2 is a front view of a reading device 2. FIG. FIG. 3 is a perspective view of the reading device 2 in a closed state when viewed from an oblique rear side. FIG. 5 is a part development view of resin covers 7L and 7R. It is the perspective view seen from slanting back of resin covers 7L and 7R. It is the perspective view seen from the slanting back of resin covers 7L and 7R which removed rear covers 80L and 80R. 2 is a block diagram showing an electrical configuration of a reading device 2. FIG. FIG. 6 is a perspective view of medium holding sheets 5L and 5R as viewed obliquely from the front. FIG. 3 is a rear view in which the paper medium 100 is spread apart. FIG. 3 is a perspective view of the paper medium 100, the medium holding sheets 5L and 5R, and the reading device 2 as viewed obliquely from the front. It is the II sectional view taken on the line of FIG. FIG. 13 is a cross-sectional view illustrating a state in which the reading device 2 illustrated in FIG. 12 is closed. It is a flowchart of a format setting process. FIG. 6 is a perspective view of a modified example of a paper medium 100 and a reading device 2 as viewed obliquely from the front. FIG. 10 is a partially enlarged perspective view of the reading device 2 to which a paper medium 100 is attached in a modified example. FIG. 6 is a rear view in which a paper medium 100 of a modified example is opened.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The drawings to be referred to are used for explaining technical features that can be adopted by the present invention. The configuration of the apparatus, the flowcharts of various processes, and the like described in the drawings are not intended to be limited to these, but are merely illustrative examples.

<1. Overview of handwriting input system 1>
With reference to FIGS. 1-3, the outline | summary of the handwriting input system 1 which concerns on this embodiment is demonstrated. In the following description, the upper side, lower side, left side, and right side in FIG. 1 are defined as the rear side, front side, left side, and right side of the handwriting input system 1. The upper side, the lower side, the upper left side, the lower right side, the upper right side, and the lower left side of FIG. 2 are respectively the front side, the rear side, the left side, the right side, and the upper side of the reading device 2, the medium holding sheets 5L and 5R, and the paper medium 100. , Defined as the lower side. The upper side, lower side, left side, right side, front side, and rear side of FIG. 3 are the upper side, lower side, left side, right side, front side, and rear side of the reader 2, the medium holding sheets 5L and 5R, and the paper medium 100, respectively. It is defined as The reading device 2 shown in FIG. 1 shows a state in the middle of opening and closing of the reading device 2. The reading device 2 shown in FIGS. 2 and 3 shows a state in which the reading device 2 is opened.

  As shown in FIG. 1, the handwriting input system 1 includes a reading device 2, an electronic pen 3, a pair of medium holding sheets 5L and 5R, a paper medium 100, and the like. The reading device 2 is a tablet-type handwriting input device that can be folded in the left-right direction (that is, folded in half) and can be carried by the user. The electronic pen 3 is a writing instrument that can input information (characters, symbols, figures, numbers, etc.) on the paper medium 100 with ink and can input the information to be input to the reading device 2. The pair of medium holding sheets 5 </ b> L and 5 </ b> R are plate-like members for attaching the paper medium 100 to the reading device 2. The paper medium 100 is a booklet-shaped recording medium in which information is written by the electronic pen 3.

  As shown in FIGS. 2 and 3, in the handwriting input system 1, the paper medium 100 is fixed to the front surface of the reading device 2 via the medium holding sheets 5 </ b> L and 5 </ b> R. The user enters information on the paper medium 100 fixed to the reading device 2 using the electronic pen 3. The reading device 2 detects a trajectory of the electronic pen 3 for entering information on the paper medium 100 and acquires stroke data described later. The reading device 2 according to the present embodiment can wirelessly communicate with a PC 9 located in the vicinity. The stroke data acquired by the reading device 2 is transferred to the PC 9 according to a transfer instruction input by the user, for example. The PC 9 can generate and display an image file obtained by digitizing information entered on the paper medium 100 based on the stroke data transferred from the reading device 2.

<2. Structure of Reader 2>
The structure of the reading device 2 will be described with reference to FIGS. The reading device 2 shown in FIG. 4 shows a state where the reading device 2 is closed. In FIG. 4, the battery attaching / detaching port 48 is indicated by a two-dot chain line, and the hook-and-loop fasteners 49A and 49B are indicated by a dotted chain hatch.

  As shown in FIGS. 1 to 3, in the reading device 2, a pair of resin covers 7 </ b> L and 7 </ b> R are accommodated side by side in a flexible exterior cover 4. In the following, for ease of understanding, the reading device 2 is not bent as shown in FIGS. 2 and 3 (that is, a left side portion 4L and a right side portion 4R of an exterior cover 4 to be described later are left and right). The positional relationship of each component will be described with reference to a state in which the components are arranged in parallel.

<2-1. Detailed structure of exterior cover 4>
The detailed structure of the exterior cover 4 will be described. As shown in FIGS. 1 to 4, the exterior cover 4 is a rectangular bag body that is long in the left-right direction in an unfolded state in which three sides other than the upper side are sealed. The exterior cover 4 has an accommodation opening 40 that opens upward. The storage port 40 is a slit-like opening having a small opening width in the front-rear direction and extending in the left-right direction in a state where the exterior cover 4 is not bent. Since the exterior cover 4 is made of, for example, synthetic leather or a nylon material, the exterior cover 4 has flexibility that can be deformed according to an external force.

  The pair of resin covers 7L and 7R is a box-like body that has a rectangular shape that is long in the vertical direction when viewed from the front and has a small thickness in the front-rear direction. A sensor substrate 10L and a sensor control substrate 11 (see FIG. 8) described later are accommodated inside the resin cover 7L. A sensor board 10R, a sensor control board 12, and a main board 20 (see FIG. 8), which will be described later, are accommodated in the resin cover 7R.

  The resin covers 7 </ b> L and 7 </ b> R are accommodated in the exterior cover 4 through the accommodation opening 40 so as to be separated from each other. At this time, the resin cover 7 </ b> L is disposed on the left side portion 4 </ b> L of the exterior cover 4. The resin cover 7 </ b> R is disposed on the right side portion 4 </ b> R of the exterior cover 4. The gap formed between the resin cover 7L and the resin cover 7R is located in the central portion 4M in the left-right direction of the exterior cover 4. Therefore, the outer cover 4 can open and close the right portion 4R and the left portion 4L with the central portion 4M as the center.

  In other words, the movable range of the resin covers 7L and 7R can be defined as follows. The resin covers 7L and 7R are arranged side by side in the exterior cover 4 so that the opposing sides (that is, the right side of the resin cover 7L and the left side of the resin cover 7R) extend in parallel. A gap is formed between the resin covers 7L and 7R along an axis O extending between the opposing sides (specifically, a line extending in the vertical direction between the resin covers 7L and 7R). . Therefore, the resin covers 7L and 7R can rotate around the axis O, and can move in a direction approaching and separating from each other across the axis O. Such movable ranges of the resin covers 7L and 7R are synonymous with movable ranges of the sensor substrates 10L and 10R described later.

  The front surface 41L of the left portion 4L and the front surface 41R of the right portion 4R face each other in the left-right direction when the exterior cover 4 is closed. Guide holes 42L and 43L, which are long through holes in the left-right direction, are provided in the upper left portion and the lower left portion of the front surface 41L, respectively. In other words, the guide holes 42L and 43L are provided on both the upper and lower sides of the open end that is farthest from the closed end (central portion 4M) on the front surface 41L. Guide holes 42R and 43R that are long through holes in the left-right direction are provided in the upper right portion and the lower right portion of the front surface 41R. That is, the guide holes 42R and 43R are provided on both the upper and lower sides of the open end that is farthest from the closed end (center portion 4M) on the front surface 41R. A sensor window 44 that is a rectangular cutout that is long in the vertical direction is provided below the guide hole 42R in the front surface 41R.

  As shown in FIG. 4, an opening / closing cover 46 is provided on the rear surface 45R of the right portion 4R. A battery insertion / removal port 48 that is a substantially square cutout is provided at the center of the rear surface 45R. The open / close cover 46 has a rectangular shape that is long in the vertical direction, and covers at least the battery attachment / detachment port 48. The battery attachment / detachment opening 48 is an opening for exposing a battery attachment portion 82 described later to the outside of the exterior cover 4.

  The right side portion of the opening / closing cover 46 is connected to the right side portion (that is, the open side end portion) of the right side portion 4R. The upper and lower sides of the opening / closing cover 46 are bonded to hook-and-loop fasteners 49A and 49B provided on the rear surface 45R, respectively. The left side portion of the opening / closing cover 46 is not bonded to the rear surface 45R, and a gap can be formed with respect to the rear surface 45R. Therefore, the space surrounded by the opening / closing cover 46 and the rear surface 45 </ b> R functions as a storage pocket 47 that can store articles from the left side of the opening / closing cover 46. On the other hand, when the opening / closing cover 46 is peeled off from the hook-and-loop fasteners 49A and 49B, the battery attachment / detachment port 48 covered with the opening / closing cover 46 is exposed to the outside (see FIG. 12).

<2-2. Detailed structure of resin covers 7L and 7R>
The detailed structure of the resin covers 7L and 7R will be described. As shown in FIG. 5, the resin cover 7L includes a front cover 70L and a rear cover 80L. The front cover 70L and the rear cover 80L are substantially rectangular resin plates that are long in the vertical direction. A substrate placement portion 81L on which electronic components such as the sensor substrate 10L are placed is provided on the front surface of the rear cover 80L. The front cover 70L is assembled to the rear cover 80L in a state where electronic components such as the sensor substrate 10L are arranged on the substrate arrangement portion 81L.

  Two attachment portions 71L and 72L are provided on the front surface of the front cover 70L. The attachment portions 71L and 72L are provided at the upper left corner and the lower left corner of the front cover 70L, respectively. The attachment portions 71L and 72L are members for connecting and fixing the medium holding sheet 5L. In the present embodiment, the attachment portions 71L and 72L are hook-like bodies that protrude toward a cover 110L (see FIG. 1), which will be described later, facing the sensor substrate 10L. . The attachment portions 71L and 72L position the cover 110L such that substantially the entire surface of the cover 110L faces the sensor substrate 10L. Details will be described later.

  The resin cover 7R includes a front cover 70R and a rear cover 80R. The front cover 70R and the rear cover 80R are substantially rectangular resin plates that are long in the vertical direction. A substrate placement portion 81R on which electronic components such as the sensor substrate 10R are placed is provided on the front surface of the rear cover 80R. The front cover 70R is assembled to the rear cover 80R in a state where electronic components such as the sensor substrate 10R are arranged on the board arrangement portion 81R.

  Two attachment portions 71R and 72R are provided on the front surface of the front cover 70R. The attachment portions 71R and 72R are provided at the upper right corner and the lower right corner of the front cover 70R, respectively. The attachment portions 71R and 72R are members for connecting and fixing the medium holding sheet 5R. In the present embodiment, the attachment portions 71R and 72R are hook-like bodies that protrude toward a cover 110R (see FIG. 1) described later that faces the sensor substrate 10R. . The attachment portions 71R and 72R position the cover 110R so that substantially the entire surface of the cover 110R faces the sensor substrate 10R, details of which will be described later.

  Further, the front cover 70 </ b> R is provided with a reading window 73 and a switch housing portion 74. The reading window 73 is provided on the lower side of the attachment portion 71R and covers the front of the sensor portion 24 described later. The reading window 73 has a rectangular shape that is long in the vertical direction, and is a transparent plate that can transmit light emitted from the sensor unit 24. The switch accommodating portion 74 is provided in the upper right portion of the front cover 70R and accommodates various switch components of the main board 20.

  As shown in FIGS. 5 and 6, a battery mounting portion 82 is provided at the center of the rear cover 80R. The battery mounting portion 82 protrudes slightly rearward from the rear surface of the rear cover 80R. The battery mounting portion 82 has a mounting opening 82A that opens on the rear surface of the rear cover 80R. The user can open and close the mounting opening 82A by attaching / detaching the cover 82C from the rear of the rear cover 80R. Further, the user can attach and detach the battery 19 that supplies power to the reading device 2 with respect to the mounting opening 82A from which the cover 82C has been removed.

<2-3. Electrical structure of reader 2>
The electrical structure of the reader 2 will be described together with the arrangement of various electronic components. As shown in FIGS. 7 and 8, the reading device 2 includes sensor boards 10 </ b> L and 10 </ b> R, sensor control boards 11 and 12, and a main board 20. The sensor substrates 10L and 10R are substrates on which a large number of elongated loop coils are arranged in each of the X-axis direction (specifically, the horizontal direction) and the Y-axis direction (specifically, the vertical direction), and are close to each other. The position of the electronic pen 3 can be detected. Each of the sensor substrates 10L and 10R has a rectangular shape that has a size covering almost the entire surface of the resin covers 7L and 7R and is long in the vertical direction. The sensor boards 10L and 10R of the present embodiment have sizes that can face substantially the entire paper surface of the A5 size covers 110L and 110R, respectively.

  The main board 20 includes a CPU 21, a flash ROM 22, a wireless communication unit 23, a sensor unit 24, and the like. The flash ROM 22 and the wireless communication unit 23 are electrically connected to the CPU 21. The CPU 21 controls the reading device 2. The flash ROM 22 stores various programs that the CPU 21 executes to control the reading device 2. Further, stroke data indicating the locus of the electronic pen 3 for entering information on the paper medium 100 is stored in the flash ROM 22. The stroke data specifies the trajectory of the electronic pen 3 for writing information on the paper medium 100 based on a plurality of pieces of position information (for example, coordinate information) of the electronic pen 3 detected over time by the sensor substrates 10L and 10R.

  The wireless communication unit 23 is a controller for performing short-range wireless communication with an external electronic device (for example, the PC 9 shown in FIG. 2). The sensor unit 24 can optically read information from an image pattern provided on the cover 110R in a state where the cover 110R is positioned by the attachment portions 71R and 72R. The sensor unit 24 of the present embodiment is a plurality of optical sensors that can read an identification mark 140 (see FIG. 10) described later provided on the tag unit 130 of the cover 110R. In the example illustrated in FIG. 5, the sensor unit 24 includes six optical sensors arranged in the vertical direction.

  As shown in FIG. 5, the main board 20 has a rectangular shape that is smaller in area than the sensor boards 10L and 10R and is long in the left-right direction. Various switch components such as a power switch, a light emitting element, and a wireless communication unit 23 (not shown) are provided on the upper end portion of the main board 20. Further, a sensor unit 24 is provided at the right end portion of the main board 20. The main board 20 is arranged on the upper part of the board arrangement portion 81R. The sensor substrate 10R is disposed on the front side of the main substrate 20 in the substrate disposition portion 81R.

  When the sensor board 10R and the main board 20 are arranged in the board arrangement portion 81R, the various switch components and the sensor unit 24 of the main board 20 are exposed to the front without being covered with the sensor board 10R. When the front cover 70R is assembled to the rear cover 80R, various switch components of the main board 20 are accommodated in the switch accommodating portion 74 described above, and the sensor portion 24 is disposed behind the reading window 73.

  As shown in FIGS. 7 and 8, a sensor control board 11 having an ASIC 11A is provided on the rear surface side of the sensor board 10L. The sensor board 10L is electrically connected to the ASIC 11A of the sensor control board. A sensor control board 12 including an ASIC 12A is provided on the rear surface side of the sensor board 10R. The sensor board 10R is electrically connected to the ASIC 12A of the sensor control board. The ASIC 11A and the ASIC 12A are connected by a flexible cable 13.

  The CPU 21 controls the ASIC 11A to acquire stroke data based on the writing operation when the writing operation by the electronic pen 3 is performed near the sensor substrate 10L. The CPU 21 controls the ASIC 12A and acquires stroke data based on the writing operation when the writing operation by the electronic pen 3 is performed in the vicinity of the sensor substrate 10R. The principle of acquiring these stroke data will be described later separately. Of the ASICs 11A and 12A, the ASIC 12A on the master side is directly connected to the CPU 21, and the ASIC 11A on the slave side is connected to the CPU 21 via the ASIC 12A.

  As described above, the reading device 2 is provided with the battery mounting portion 82. As shown in FIG. 7, the battery mounting portion 82 is provided with a connection terminal 82 </ b> B for connecting to the main board 20. When the battery 19 is attached to the attachment opening 82A, the battery 19 is electrically connected to the main board 20 via the connection terminal 82B. As a result, power is supplied from the battery 19 to the main board 20.

<3. Structure of electronic pen 3>
The structure of the electronic pen 3 will be described with reference to FIG. The electronic pen 3 includes a core body 31, a coil 32, a variable capacitor 33, a substrate 34, a capacitor 35, and an ink storage unit 36. The core body 31 is provided at the tip of the electronic pen 3. The core body 31 is urged toward the distal end side of the electronic pen 3 by an elastic member (not shown). The tip of the core 31 protrudes outside the electronic pen 3. The rear end side of the core 31 is connected to an ink storage portion 36 that stores ink. The ink storage unit 36 supplies ink to the core body 31.

  The coil 32 is held between the core body 31 and the variable capacitor 33 while being wound around the ink storage portion 36. The variable capacitor 33 is fixed inside the electronic pen 3 by the substrate 34. A capacitor 35 is mounted on the substrate 34. The capacitor 35 and the variable capacitor 33 are connected in parallel to the coil 32 and constitute a known resonance (tuning) circuit. When the user fills in the paper medium 100 using the electronic pen 3, information is formed on the paper medium 100 by ink, and the written information is input to the reading device 2 by a known electromagnetic induction method.

<4. Structure of medium holding sheets 5L and 5R>
The structure of the medium holding sheets 5L and 5R will be described with reference to FIG. The medium holding sheets 5L and 5R are prepared for each paper size of the paper medium 100. The medium holding sheets 5L and 5R of the present embodiment are dedicated to the A5 size paper medium 100.

  The medium holding sheet 5L is a resin plate for fixing the cover 110L to the front surface 41L of the reading device 2. In the present embodiment, the front surface 50L of the medium holding sheet 5L has a size capable of attaching substantially the entire A5 size cover sheet 110L. In the medium holding sheet 5L, the cover 110L can be fixed in surface contact with the front surface 50L.

  The medium holding sheet 5L is provided with positioning portions 51L and 52L, which are substantially L-shaped plates, and two connection holes 53L and 54L penetrating in the front-rear direction. The connection hole 53L is provided in the upper left corner of the medium holding sheet 5L. The connection hole 54L is provided at the lower left corner of the medium holding sheet 5L. The connection holes 53L and 54L are notched in a substantially H shape when viewed from the front, and the above-described mounting portions 71L and 72L are connected and fixed, respectively.

  The positioning portions 51L and 52L are provided on the right side of the connection holes 53L and 54L in the front surface 50L, respectively. The positioning part 51L is a member for positioning the upper left corner of the cover 110L. The positioning part 52L is a member for positioning the lower left corner of the cover 110L. In the present embodiment, the positioning portions 51L and 52L are provided at positions corresponding to the upper left corner and the lower left corner of the A5 size cover 110L. The cover sheet 110L is attached to the front surface 50L in a state where the cover sheet 110L is positioned in a region on the right side of the positioning portions 51L and 52L.

  The connection holes 53L and 54L described above are provided in a region on the left side of the positioning portions 51L and 52L. That is, the connecting holes 53L and 54L are formed at positions that do not overlap with the cover 110L positioned by the positioning portions 51L and 52L in the direction orthogonal to the front surface 50L (the front-rear direction in this embodiment). Therefore, when the attachment portions 71L and 72L are connected and fixed to the connection holes 53L and 54L, the attachment portions 71L and 72L do not interfere with the cover sheet 110L attached to the front surface 50L.

  The medium holding sheet 5R is a resin plate for fixing the cover 110R to the front surface 41R of the reading device 2. In the present embodiment, the front surface 50R of the medium holding sheet 5R has a size capable of attaching substantially the entire A5 size cover sheet 110R. In the medium holding sheet 5R, the cover 110R can be fixed in surface contact with the front surface 50R.

  The medium holding sheet 5R is provided with positioning portions 51R and 52R that are substantially L-shaped plate-like bodies and two connection holes 53R and 54R that penetrate in the front-rear direction. The connection hole 53R is provided in the upper right corner of the medium holding sheet 5R. The connecting hole 54R is provided at the lower right corner of the medium holding sheet 5R. The connection holes 53R and 54R are cut out in a substantially H shape when viewed from the front, and the aforementioned attachment portions 71R and 72R are connected and fixed, respectively.

  The positioning portions 51R and 52R are provided on the left side of the connection holes 53R and 54R in the front surface 50R, respectively. The positioning portion 51R is a member for positioning the upper right corner of the cover 110R. The positioning part 52R is a member for positioning the lower right corner of the cover 110R. In the present embodiment, the positioning portions 51R and 52R are provided at positions corresponding to the upper right corner and the lower right corner of the A5 size cover 110R. The cover sheet 110R is attached to the front surface 50R in a state where the cover sheet 110R is positioned in a region on the left side of the positioning portions 51R and 52R.

  The aforementioned connection holes 53R and 54R are provided in a region on the right side of the positioning portions 51R and 52R. That is, the connection holes 53R and 54R are formed at positions that do not overlap with the cover sheet 110R positioned by the positioning portions 51R and 52R. Therefore, when the attachment portions 71R and 72R are connected and fixed to the connection holes 53R and 54R, the attachment portions 71R and 72R do not interfere with the cover sheet 110R attached to the front surface 50R.

  Further, a sensor hole 58 and a seal member 56 are provided in the medium holding sheet 5R. The sensor hole 58 has six square-shaped through holes arranged below the connecting hole 53R and arranged in the vertical direction. The six through holes of the sensor hole 58 correspond to the six optical sensors of the sensor unit 24 (see FIG. 5).

  The seal member 56 is a non-translucent plate-like body that covers a part of the front surface 50R, and closes at least the sensor hole 58 in a front view. The seal member 56 has a rectangular shape that is long in the vertical direction, and is fixed to the front surface 50R on three sides excluding the left side. Therefore, the left side portion of the seal member 56 can form a gap with respect to the front surface 50R. In the present embodiment, in order to reduce the number of parts, the positioning part 51R and the seal member 56 constitute a single part plate part 57 that is connected.

  A portion of the front surface 50 </ b> R covered with the seal member 56 is a covering portion 59. A bag-shaped portion surrounded by the seal member 56 and the covering portion 59 is the tag accommodating portion 55 (see FIG. 2). The tag accommodating portion 55 can insert a tag portion 130 (see FIG. 10) described later along the front surface 50 </ b> R from the left side portion of the seal member 56. Since at least a part of the covering portion 59 has translucency, light can be irradiated into the tag accommodating portion 55 from the rear of the medium holding sheet 5R. In the present embodiment, it is possible to irradiate light into the tag accommodating portion 55 from behind the medium holding sheet 5R through the sensor hole 58 formed in the covering portion 59.

<5. Structure of paper medium 100>
The structure of the paper medium 100 will be described with reference to FIG. The paper medium 100 has a booklet shape in which a plurality of sheets 120 are bound between a cover sheet 110L and a cover sheet 110R and can be spread in the left-right direction. That is, in the paper medium 100, a pair of cover sheets 110L and 110R and a plurality of sheets 120 are bound at a part of each edge. As an example, the paper medium 100 of the present embodiment is an A5 size notebook, and the paper 120 has a document format in which, for example, 20 ruled lines are drawn.

  The paper medium 100 includes a tag portion 130 from which a part of the cover 110R protrudes outward. The tag portion 130 of the present embodiment protrudes rightward from the upper right portion of the cover 110R. The tag portion 130 has a rectangular shape that is long in the vertical direction, and various information (for example, a title, an index, and the number of turns) can be entered therein. In the present embodiment, an identification mark 140 indicating the format of the paper 120 is printed on the rear surface of the tag unit 130. The identification mark 140 has six identification areas 141 to 146 arranged in the vertical direction. The six identification regions 141 to 146 correspond to the six through holes of the sensor hole 58 (see FIG. 9), respectively. Each of the identification regions 141 to 146 has a rectangular shape, and is color-coded with uncolored (white) or black. Code information corresponding to the format of the paper 120 is indicated by a combination pattern of the six identification regions 141 to 146 (that is, a bar pattern of the identification mark 140).

<6. Usage Mode of Handwriting Input System 1>
A mode in which the user uses the handwriting input system 1 will be described with reference to FIGS. 4 and 11 to 13. In FIG. 11, the outer cover 4 is omitted for easy understanding. In FIG. 12, the opened opening / closing cover 46 is indicated by a two-dot chain line.

  As shown in FIG. 11, the user first attaches the medium holding sheets 5L and 5R to the paper medium 100 into which information is to be written. Specifically, on the front surface 50L of the medium holding sheet 5L, the user positions the upper end of the cover 110L on the open side (the upper left corner in the present embodiment) on the positioning unit 51L and the lower end of the cover 110L on the open side ( In this embodiment, the lower left corner) is positioned on the positioning portion 52L. With the cover sheet 110L positioned as described above, the user attaches the cover sheet 110L to the front surface 50L with the double-sided tape 160L (see FIG. 12). As a result, the cover 110L is held on the medium holding sheet 5L.

  Similarly, on the front surface 50R of the medium holding sheet 5R, the user positions the open side upper end portion (upper right corner portion in the present embodiment) of the cover sheet 110R at the positioning portion 51R, and the open side lower end portion (book) of the cover sheet 110R. In the embodiment, the lower right corner) is positioned on the positioning portion 52R. At this time, the user moves the tag unit 130 to the right along the front surface 50 </ b> R, and inserts the tag unit 130 into the tag accommodating unit 55. With the cover sheet 110R positioned as described above, the user attaches the cover sheet 110R to the front surface 50R with the double-sided tape 160R (see FIG. 12). As a result, the cover 110R is held on the medium holding sheet 5R.

  Next, the user attaches the medium holding sheets 5L and 5R to the reading device 2. Specifically, the user arranges the medium holding sheets 5L and 5R so as to face the front surfaces 41L and 41R of the reading device 2, respectively. The user inserts the attachment portions 71L and 72L protruding forward from the front surface 41L into the connection holes 53L and 54L, respectively. As a result, the attachment portions 71L and 72L are engaged with the connection holes 53L and 54L, respectively, and the medium holding sheet 5L is connected to the resin cover 7L. Similarly, the user inserts the attachment portions 71R and 72R protruding forward from the front surface 41R into the connection holes 53R and 54R, respectively. As a result, the attachment portions 71R and 72R are locked in the connection holes 53R and 54R, respectively, and the medium holding sheet 5R is connected to the resin cover 7R.

  Through the above procedure, the paper medium 100 is attached to the reading device 2 via the medium holding sheets 5L and 5R. As shown in FIG. 12, in the state where the reading device 2 is opened, the cover 110L is positioned on the front surface 41L so that substantially the entire surface of the cover 110L faces the sensor substrate 10L in parallel. The sheet 120 that overlaps the cover sheet 110L is also substantially opposed to the sensor substrate 10L in parallel with the entire sheet surface. In this state, the sensor board 10L can accurately detect the electronic pen 3 that enters information on the paper 120 that overlaps the cover 110L.

  Similarly, the cover sheet 110R is positioned on the front surface 41R so that substantially the entire surface of the cover sheet 110R faces the sensor substrate 10R in parallel. The sheet 120 that overlaps the cover sheet 110R is also substantially parallel to the sensor substrate 10R. In this state, the sensor board 10R can accurately detect the electronic pen 3 that writes information on the sheet 120 overlapping the cover 110R.

  For example, when the reading device 2 is inclined or vibrated, an external force that moves the paper medium 100 in the front-rear and left-right directions may be applied. However, the movement ranges in the front-rear and left-right directions of the attachment portions 71L, 72L are restricted by the guide holes 42L, 43L of the exterior cover 4. Similarly, the movement ranges in the front-rear and left-right directions of the attachment portions 71R, 72R are restricted by the guide holes 42R, 43R of the exterior cover 4. Therefore, even when an external force that moves the paper medium 100 in the front-rear and left-right directions is applied, the attachment portions 71L and 72L regulate the movement range of the cover 110L via the medium holding sheet 5L, and the attachment portions 71R and 72R The movement range of the cover 110R is regulated via the holding sheet 5R.

  That is, the paper medium 100 attached to the reading device 2 is suppressed from moving significantly by an external force. Since the positional relationship between the paper medium 100 and the sensor substrates 10L and 10R is unlikely to change, the state in which the paper medium 100 faces the sensor substrates 10L and 10R is maintained. That is, the state in which the electronic pen 3 for entering information on the paper 120 is accurately detected by the sensor boards 10L and 10R is maintained.

  Further, in conjunction with the behavior of the paper medium 100, the attachment portions 71L and 72L may move within a range regulated by the guide holes 42L and 43L. In this case, the resin cover 7L (that is, the sensor substrate 10L) moves in the front-rear and left-right directions through the attachment portions 71L and 72L with the same movement direction and movement amount as the paper medium 100. Similarly, in conjunction with the behavior of the paper medium 100, the resin cover 7R (that is, the sensor substrate 10R) moves in the front-rear and left-right directions through the attachment portions 71R and 72R with the same movement direction and movement amount as the paper medium 100. To do. Accordingly, since the positional relationship between the paper medium 100 and the sensor substrates 10L and 10R is not easily changed, the state of being accurately detected by the sensor substrates 10L and 10R is maintained.

  In the state where the reading device 2 shown in FIG. 12 is opened, the paper medium 100 is also opened facing the front surfaces 41L and 41R which are continuous with each other. At this time, the attachment portions 71L and 72L have moved to the closed end portions (in the present embodiment, the right end positions of the guide holes 42L and 43L) in the guide holes 42L and 43L, respectively. The attachment portions 71R and 72R have moved to the closed side end portions (the left end positions of the guide holes 42R and 43R in the present embodiment) in the guide holes 42R and 43R, respectively. That is, in the exterior cover 4, the separation distance between the resin cover 7L and the resin cover 7R is the smallest.

  On the other hand, as the reading apparatus 2 is closed, the paper medium 100 is also closed. At this time, inside the exterior cover 4, the resin cover 7L follows the behavior of the cover 110L and rotates forward about the axis O (see FIG. 1). At the same time, the resin cover 7R follows the behavior of the cover 110R and rotates forward about the axis O. At this time, the attachment portions 71L and 72L move to the open side (left side in the present embodiment) in the guide holes 42L and 43L while maintaining the parallel state of the sensor substrate 10L and the medium holding sheet 5L. At the same time, the attachment portions 71R and 72R move to the open side (right side in the present embodiment) in the guide holes 42R and 43R, respectively, while maintaining the parallel state of the sensor substrate 10R and the medium holding sheet 5R. That is, with the rotation of the resin covers 7L and 7R, the distance between the resin cover 7L and the resin cover 7R gradually increases.

  As shown in FIG. 13, when the reading device 2 is closed, the paper medium 100 to which the medium holding sheets 5L and 5R are attached is also closed between the front surfaces 41L and 41R facing each other. At this time, the attachment portions 71L and 72L have moved to the open side end portions (the left end positions of the guide holes 42L and 43L in the present embodiment) in the guide holes 42L and 43L, respectively. The attachment portions 71R and 72R have moved to the open side end portions (in the present embodiment, the right end positions of the guide holes 42R and 43R) in the guide holes 42R and 43R, respectively. That is, in the exterior cover 4, the separation distance between the resin cover 7L and the resin cover 7R is the largest.

  Thus, in conjunction with opening and closing of the paper medium 100, the sensor substrates 10L and 10R rotate forward about the axis O while maintaining a state of facing the paper medium 100 in parallel. At this time, the mounting portions 71L and 72L move through the guide holes 42L and 43L, respectively, and the mounting portions 71R and 72R move through the guide holes 42R and 43R, respectively, so that the change in the separation distance of the resin covers 7L and 7R is absorbed. Is done. Accordingly, since the positional relationship between the paper medium 100 and the sensor substrates 10L and 10R is not easily changed, the state of being accurately detected by the sensor substrates 10L and 10R is maintained.

  Further, as described above, the cover 110R is accurately positioned on the medium holding sheet 5R, so that the positional relationship between the tag portion 130 accommodated in the tag accommodating portion 55 and the sensor portion 24 is not easily changed. Therefore, even if the reading device 2 is inclined or vibrated, or the reading device 2 is opened and closed, the sensor unit 24 maintains a state where the identification mark 140 can be read accurately from the tag unit 130.

  As shown in FIGS. 4 and 13, for example, when the user folds and carries the reading device 2, the opening / closing cover 46 is adhered to the hook-and-loop fasteners 49A and 49B. ) Can be accommodated. On the other hand, as shown in FIG. 12, when the user replaces the battery 19 of the reading device 2, the opening / closing cover 46 is peeled off from the hook-and-loop fasteners 49A and 49B. Thereby, the battery mounting portion 82 is exposed to the outside through the battery attachment / detachment port 48. The user can replace the battery 19 attached to the attachment opening 82A by removing the cover 82C.

  In the present embodiment, the resin cover 7R has a greater thickness in the front-rear direction than the resin cover 7L because the battery mounting portion 82 projects rearward. On the other hand, in the exterior cover 4, the battery mounting portion 82 is disposed inside the battery attachment / detachment port 48. Therefore, when the user looks at the appearance of the reading device 2, it is difficult to understand that the resin cover 7R has a greater thickness in the front-rear direction than the resin cover 7L. Further, it is possible to prevent the thickness of the entire reading device 2 from increasing in the front-rear direction by the battery mounting portion 82 by accommodating the battery mounting portion 82 inside the battery attachment / detachment port 48.

<7. Data Acquisition Principle of Reading Device 2>
As described above, the user enters information on the paper 120 using the electronic pen 3 while the paper medium 100 is mounted on the reading device 2. Position information of the electronic pen 3 that writes information on the paper 120 is detected by one of the sensor substrates 10L and 10R facing the paper 120. The reading device 2 acquires the above-described stroke data based on the detected position information of the electronic pen 3.

  With reference to FIG. 8, the principle by which the stroke data is acquired by the reading device 2 will be schematically described. The CPU 21 controls the ASICs 11A and 12A, and causes a current of a specific frequency (excitation transmission current) to flow through each of the loop coils of the sensor substrates 10L and 10R. Thereby, a magnetic field is generated from each of the loop coils of the sensor substrates 10L and 10R. In this state, for example, when the user enters information on the paper 120 of the paper medium 100 fixed to the reading device 2 using the electronic pen 3, the electronic pen 3 comes close to the sensor substrates 10L and 10R. Therefore, the resonance circuit of the electronic pen 3 resonates by electromagnetic induction and generates an induction magnetic field.

  Next, the CPU 21 controls the ASICs 11A and 12A to stop the generation of magnetic fields from the loop coils of the sensor substrates 10L and 10R. Further, the induction magnetic field generated from the resonance circuit of the electronic pen 3 is received by each loop coil of the sensor boards 10L and 10R. The CPU 21 controls the ASICs 11A and 12A to detect signal currents (reception currents) flowing through the loop coils of the sensor boards 10L and 10R. The ASICs 11A and 12A execute this operation for all the loop coils one by one, so that the position of the electronic pen 3 is detected based on the received current.

  Further, writing pressure is applied to the core 31 in a state where information is written on the paper 120 using the electronic pen 3. The inductance of the coil 32 changes according to the writing pressure applied to the core body 31. As a result, the resonance frequency of the resonance circuit of the electronic pen 3 changes. The CPU 21 detects the change (phase change) in the resonance frequency and specifies the writing pressure applied to the electronic pen 3. That is, the CPU 21 can determine whether or not information is written on the paper 120 based on the writing pressure specified from the electronic pen 3.

  When the CPU 21 determines that information is written on the paper 120, the CPU 21 acquires stroke data indicating the locus of the electronic pen 3. That is, the CPU 21 acquires the stroke data written on the paper sheet 120 that overlaps the cover sheet 110L positioned on the reading device 2 based on the position of the electronic pen 3 detected by the sensor substrate 10L. Based on the position of the electronic pen 3 detected by the sensor substrate 10R, the CPU 21 acquires stroke data written on the paper sheet 120 that overlaps the cover sheet 110R positioned on the reading device 2. The acquired stroke data is stored in the flash ROM 22.

<8. Format setting processing of reading device 2>
With reference to FIG. 14, main processing executed by the reading device 2 in the handwriting input system 1 of the present embodiment will be described. When the power of the reading device 2 is turned on, the CPU 21 executes a format setting process shown in FIG. 14 based on a program stored in the flash ROM 22.

  As shown in FIG. 14, in the format setting process of the reading device 2, the identification mark 140 is first read (S1). As described above, when the paper medium 100 is loaded in the reading device 2, the tag unit 130 is inserted into the tag storage unit 55. In step S <b> 1, measurement light is emitted forward from each of the six optical sensors included in the sensor unit 24. The six measurement beams are applied from the rear to the covering portion 59 of the medium holding sheet 5R through the reading window 73. At this time, the six measurement lights are applied to the identification marks 140 printed on the tag portion 130 via the corresponding through holes of the sensor holes 58. Six reflected lights reflected by the identification mark 140 are detected by the sensor unit 24. The sensor unit 24 reads the bar pattern of the identification mark 140 based on each detected reflected light.

  Next, it is determined whether or not the code information has been detected (S3). For example, when the tag unit 130 is not inserted into the tag storage unit 55, the bar pattern cannot be properly read by the sensor unit 24. When the bar pattern cannot be read properly as described above, it is determined that the code information cannot be detected (S3: NO). In this case, the format information of the general-purpose notebook (for example, A5 size blank notebook) is set in the flash ROM 22 as the format of the paper 120 included in the paper medium 100 loaded in the reading device 2 (S5).

  On the other hand, when the bar pattern is properly read by the sensor unit 24, it is determined that the code information has been detected (S3: YES). In this case, format information corresponding to the detected code information is set in the flash ROM 22 as the format of the paper 120 included in the paper medium 100 loaded in the reading device 2 (S7). For example, in the example of the identification mark 140 shown in FIG. 10, a bar pattern in which the identification areas 141, 144, and 146 are black and the identification areas 142, 143, and 145 are white is read. Based on the code information indicated by the bar pattern, for example, an A5 size document format in which 20 ruled lines are drawn is set in the flash ROM 22. After step S5 or step S7 is executed, the format setting process (see FIG. 14) is terminated.

  In the reading device 2, after completion of the format setting process (see FIG. 14), stroke data indicating the locus of the electronic pen 3 is stored in the flash ROM 22 over time as described above. After the acquisition of the stroke data by the reading device 2, the stroke data stored in the flash ROM 22 is transferred to the PC 9 (see FIG. 2) in response to a transfer instruction from the user. At this time, the format information set in step S5 or step S7 is also transferred to the PC 9.

  In the PC 9, based on the stroke data transferred from the reading device 2, an image file that can reproduce the information entered on the paper 120 is generated. Further, when the format information set in step S7 is transferred from the reading device 2, the format of the paper 120 included in the paper medium 100 loaded in the reading device 2 and the information entered on the format are faithfully preserved. Can be reproduced. When the format information set in step S5 is transferred from the reading device 2, for example, information entered on a blank note can be reproduced.

<9. Illustrative effects of this embodiment>
In the reading device 2, the cover 110L is positioned by the attachment portions 71L and 72L via the medium holding sheet 5L so that the substantially entire surface of the cover 110L faces the sensor substrate 10L. The cover sheet 110R is positioned by the attachment portions 71R and 72R via the medium holding sheet 5R so that the substantially entire surface of the cover sheet 110R faces the sensor substrate 10R. Based on the position of the electronic pen 3 detected by the sensor substrate 10L, stroke data to be written on the paper 120 overlapping the cover 110L is acquired. Based on the position of the electronic pen 3 detected by the sensor substrate 10R, stroke data to be written on the paper 120 overlapping the cover 110R is acquired.

  According to this, the pair of sensor substrates 10L and 10R are independent from each other, and one of the pair of cover sheets 110L and 110R is positioned on each sensor substrate 10L and 10R. Therefore, it is possible to suppress the displacement of the booklet-shaped paper medium 100 during the entry on the paper 120 that overlaps one of the covers 110L and 110R.

  The sensor boards 10L and 10R can be rotated with the axis O between them in accordance with the behavior of the cover sheets 110L and 110R, and can be moved toward and away from each other. Thus, the positional displacement of the paper medium 100 can be further suppressed by the sensor substrates 10L and 10R moving following the cover sheets 110L and 110R.

  The attachment portions 71L and 72L are connected to the medium holding sheet 5L to which the cover 110L is attached. The attachment portions 71R and 72R are connected to the medium holding sheet 5R to which the cover sheet 110R is attached. Therefore, the sensor substrates 10L and 10R can follow and move easily and smoothly via the medium holding sheets 5L and 5R that operate according to the behavior of the cover sheets 110L and 110R.

  The CPU 21 can acquire information (specifically, stroke data) written on the paper sheet 120 by the sensor substrates 10L and 10R, as well as optical information (specifically, from the identification mark 140 of the positioned cover 110R. Code information).

  The exterior cover 4 can protect the pair of sensor substrates 10L and 10R housed inside from, for example, an external impact. The sensor boards 10L and 10R can move following the covers 110L and 110R while being housed in the flexible exterior cover 4.

  In the above embodiment, the paper medium 100 corresponds to the “recording medium” of the present invention. The electronic pen 3 corresponds to the “writing instrument” of the present invention. The sensor substrate 10L corresponds to the “second detection unit” of the present invention. The sensor substrate 10R corresponds to the “first detector” of the present invention. The attachment portions 71L and 72L correspond to the “second positioning portion” of the present invention. The attachment portions 71R and 72R correspond to the “first positioning portion” of the present invention. The cover 110L corresponds to the “second cover” of the present invention. The cover 110R corresponds to the “first cover” of the present invention. The ASIC 11A and the CPU 21 correspond to the “second information acquisition unit” of the present invention. The ASIC 12A and the CPU 21 correspond to the “first information acquisition unit” of the present invention. The medium holding sheet 5L corresponds to the “member to which the second cover is attached” of the present invention. The medium holding sheet 5R corresponds to the “member to which the first cover is attached” of the present invention. The exterior cover 4 corresponds to the “cover member” of the present invention.

<10. Example of modification>
(1) The present invention is not limited to the above-described embodiment, and modifications can be made without changing the gist of the invention. For example, the paper medium 100 may be directly attached to the reading device 2 without using the medium holding sheets 5L and 5R. This modification will be described with reference to FIGS. The reading device 2 of this modification does not include the exterior cover 4. The user can open and close the reading device 2 by directly touching the resin covers 7L and 7R.

  As shown in FIGS. 15 and 17, in the paper medium 100 of the modified example, the cover pages 110 </ b> L and 110 </ b> R are larger in page width than the paper 120 (in this embodiment, the length in the left-right direction). A portion of the cover 110L that extends to the open side (left side in the present embodiment) from the paper 120 that overlaps the cover 110L is referred to as an extension 150L. A portion of the cover 110R that extends to the open side (right side in the present embodiment) from the paper 120 that overlaps the cover 110R is referred to as an extension 150R.

  Connection holes 151L and 152L, which are through-holes that are long in the page width direction, are provided in the upper and lower corners on the open side of the extension 150L. Connection holes 151R and 152R, which are through-holes that are long in the page width direction, are provided in the upper and lower corners on the open side of the extension 150R. Furthermore, an identification mark 140 similar to that in the above embodiment is provided below the connection hole 151R in the extension 150R.

  On the other hand, in the reading device 2 of the modified example, the attachment portions 71L, 72L, 71R, 72R are different from the above embodiment. The attachment portion 71L includes an insertion pin 171L and a clamping plate 173L. The insertion pin 171L is a pin that protrudes forward from the upper corner of the open side (left side in the present embodiment) of the front cover 70L. The sandwiching plate 173L is a plate-like member that is provided adjacent to the open side with respect to the insertion pin 171L and protrudes upward. Similarly, the attachment portion 72L includes an insertion pin 172L protruding from the lower corner portion on the open side of the front cover 70L, and a sandwiching plate 174L adjacent to the open side with respect to the insertion pin 172L.

  The attachment portion 71R includes an insertion pin 171R that protrudes from the upper corner of the open side (right side in the present embodiment) of the front cover 70R, and a sandwiching plate 173R that is adjacent to the open side with respect to the insertion pin 171R. The mounting portion 72R includes an insertion pin 172R that protrudes from the lower corner portion on the open side of the front cover 70R, and a sandwiching plate 174R that is adjacent to the open side with respect to the insertion pin 172R.

  As shown in FIGS. 15 and 16, when the user attaches the paper medium 100 to the reading device 2, the insertion pins 171L and 172L are inserted into the connection holes 151L and 152L, respectively. Thereby, the part of the extension part 150L on the opening side with respect to the connection hole 151L is sandwiched between the insertion pin 171L and the sandwiching plate 173L. A portion of the extension portion 150L on the opening side with respect to the connection hole 152L is sandwiched by the insertion pin 172L and the sandwiching plate 174L. Therefore, the cover 110L is connected to the resin cover 7L and positioned with respect to the sensor substrate 10L.

  Further, the user inserts the insertion pins 171R and 172R into the connection holes 151R and 152R, respectively. As a result, a portion of the extension portion 150R that is on the open side with respect to the connection hole 151R is sandwiched by the insertion pin 171R and the sandwiching plate 173R. A portion of the extension portion 150R that is on the open side with respect to the connection hole 152R is sandwiched between the insertion pin 172R and the sandwiching plate 174R. Accordingly, the cover 110R is fixed to the resin cover 7R and positioned with respect to the sensor substrate 10R.

  In the present modification, the sensor unit 24 irradiates measurement light to the identification mark 140 provided on the extension 150 </ b> R through the reading window 73. Accordingly, the CPU 21 can set the format information of the paper 120 by reading the code information from the identification mark 140 as in the above embodiment.

(2) The method of attaching the paper medium 100 or the medium holding sheets 5L and 5R to the reading device 2 is not limited to the above-described embodiment and modification. Hereinafter, a modification example in which the medium holding sheet 5L is attached to the reading device 2 will be exemplified, but it goes without saying that the paper medium 100 and the medium holding sheet 5R can also be modified in the same manner as described below.

  For example, the attachment portions 71L and 72L of the reading device 2 may be female hooks. In this case, a male hook is provided in place of the connection holes 53L and 54L of the medium holding sheet 5L. The user can fix the medium holding sheet 5L to the resin cover 7L by fitting the male hook of the medium holding sheet 5L to the attachment portions 71L and 72L which are female hooks.

  The attachment portions 71L and 72L of the reading device 2 may be female screw holes. In this case, the user can fix the medium holding sheet 5L to the resin cover 7L by screwing screws (not shown) into the attachment portions 71L and 72L via the connection holes 53L and 54L of the medium holding sheet 5L.

  The attachment portions 71L and 72L of the reading device 2 may be rotation stoppers provided with a rotating body at the tip. In this case, the user inserts the attachment portions 71L and 72L into the connection holes 53L and 54L, and further rotates the rotating bodies of the attachment portions 71L and 72L. Accordingly, the attachment portions 71L and 72L are prevented from coming off from the connection holes 53L and 54L, and the medium holding sheet 5L can be fixed to the resin cover 7L.

  The attachment portions 71L and 72L of the reading device 2 may be a mechanism that is slid and fixed by a movable body. For example, the user inserts the attachment portions 71L and 72L into the connection holes 53L and 54L, and further moves the movable bodies of the attachment portions 71L and 72L. Accordingly, the attachment portions 71L and 72L are prevented from coming off from the connection holes 53L and 54L, and the medium holding sheet 5L can be fixed to the resin cover 7L.

(3) The reading device 2 may detect the position of the electronic pen 3 by other methods. For example, the reading device 2 may include a touch panel. The driving method of the touch panel is preferably a resistive film method. The paper medium 100 may be placed on the touch panel. When the operation of entering information on the paper 120 of the paper medium 100 is performed by the electronic pen 3, the CPU 21 may detect the position where the writing pressure is applied via the touch panel.

(4) At least a part of the covering portion 59 may be translucent that can be optically measured by the sensor portion 24. For example, instead of the sensor hole 58 of the above embodiment, at least a part of the covering portion 59 may be transparent.

(5) The size, format, material, and the like of the paper medium 100 are not limited to the above embodiment. The medium holding sheets 5L and 5R may be any size that can attach at least the paper medium 100. The reading device 2 may be of a size that can attach the medium holding sheets 5L and 5R attached to the paper medium 100, or a size that can attach at least the paper medium 100.

2 Reading device 3 Electronic pen 4 Exterior cover 5L Medium holding sheet 5R Medium holding sheet 10L Sensor board 10R Sensor board 11 Sensor control board 12 Sensor control board 21 CPU
24 Sensor part 71L, 72L Attachment part 71R, 72R Attachment part 100 Paper medium 110L Cover 110R Cover 120 Paper 140 Identification mark

Claims (5)

Information input on a booklet-like recording medium in which a pair of covers and a plurality of sheets arranged in a superimposed manner between the pair of covers are bound at a part of each edge can be acquired. An information input device,
A pair of plate-like bodies capable of detecting the positions of adjacent writing instruments, the first detection unit capable of facing substantially the entire surface of the first cover of the pair of covers, and the first of the pair of covers A second detector capable of facing substantially the entire surface of the two covers;
A first positioning unit that positions the first cover so that substantially the entire surface of the first cover faces the first detection unit;
A second positioning part for positioning the second cover so that substantially the entire surface of the second cover faces the second detection part;
Based on the position of the writing instrument detected by the first detection unit, first information acquisition means for acquiring information to be written on the sheet that overlaps the first cover positioned by the first positioning unit;
Second information acquisition means for acquiring information to be written on the sheet overlapping the second cover positioned by the second positioning unit based on the position of the writing instrument detected by the second detection unit. An information input device characterized by that.   The first detection unit and the second detection unit are arranged side by side so that the opposing sides extend in parallel, and are rotatable around an axis extending between the opposing sides, The information input device according to claim 1, wherein the information input device is movable in a direction approaching and separating from each other across the axis. The first positioning part protrudes toward the first cover facing the first detection part, and is connected to the first cover or the member to which the first cover is attached, which is stacked on the first detection part. Is possible,
The second positioning portion protrudes toward the second cover that faces the second detection portion, and is connected to the second cover that is placed on the second detection portion or a member to which the second cover is attached. The information input device according to claim 1, wherein the information input device is possible.   4. A sensor unit that optically reads information from an image pattern provided on the first cover in a state where the first cover is positioned by the first positioning unit. The information input device according to any one of the above.   The information input device according to claim 1, further comprising a flexible cover member in which the first detection unit and the second detection unit are accommodated.

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