JP2013025683A - Electronic pen system and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic pen and a program capable of properly displaying a display mode of the stroke selected by a user.SOLUTION: In the electronic pen, an applicant enters a hand-written stroke in an entry sheet by an electronic pen, and selects a display mode at the time of displaying the hand-written stroke entered in the entry sheet by performing the entry in a selected sheet by the electronic pen. A terminal device displays the hand-written stroke entered in the entry sheet in the display mode selected by the selection sheet based on entry information received from the electronic pen, and displays the display mode selected by the selection sheet.

Description

  The present invention relates to an electronic pen system that displays handwritten strokes written with an electronic pen, and a program executed by a terminal device in the electronic pen system.

  In recent years, electronic pens that digitize written information have been developed, and “Anot pen” developed by Swedish company Anoto is known as a representative one. Anotopen is used with dedicated paper on which a predetermined dot pattern is printed. In addition to the usual ink cartridge for writing characters, etc., the anotopen has a small camera for capturing the dot pattern printed on the dedicated paper and the position coordinates on the dedicated paper from the captured dot pattern. A processor for calculating and a data communication unit for transmitting the calculated position coordinates and the like to an external device are mounted. When the user writes characters on the special paper with an anotopen or puts a check mark on the image designed on the special paper, the small camera captures the dot pattern printed on the special paper as the pen moves. The entry information such as characters and images written by the user is recognized from the continuous position coordinates calculated by the processor. Then, this entry information is transmitted from the Anotopen by the data communication unit to a nearby terminal device such as a personal computer or a mobile phone (for example, see Patent Document 1).

  Patent Document 2 describes a rotation correction processing function that corrects an arrangement of dots on an image caused by an angle of an electronic pen facing a dot pattern. Patent Document 3 discloses a technology for changing the color and line width of a stroke displayed on a computer when tapping on a color / line width selection palette sheet with an electronic pen in a collaborative learning system using an electronic pen. ing. Patent Document 4 discloses a technique for displaying a list of the same range in each answer sheet in a collaborative learning system using an electronic pen when an arbitrary position / size range is designated on a display screen.

Japanese Patent No. 3874498 Special table 2003-529853 gazette JP 2009-251925 A JP 2009-276479 A

  In the technique described in Patent Document 3, even if the user (student) taps the color / line width selection pallet sheet, it is difficult to know whether the color or the line width is actually changed on the computer. Therefore, the user may tap the pallet paper many times, and there is a possibility that the work cannot be efficiently performed. SUMMARY OF THE INVENTION Accordingly, it is a main object of the present invention to provide an electronic pen system and a program capable of appropriately displaying a display mode of a stroke selected by a user.

  According to one aspect of the present invention, an electronic pen that reads an encoded pattern printed on a sheet and generates entry information according to the encoded pattern, and an encoded pattern that can be read by the electronic pen are printed and entered. An entry form on which the user enters handwritten strokes with the electronic pen and a coding pattern that can be read with the electronic pen are printed, and the display mode is selected when the entry person displays the handwritten strokes entered on the entry form. An electronic pen system comprising: a selection sheet for performing the processing, and a terminal device that receives the entry information from the electronic pen and performs processing according to the entry information, wherein the terminal device is the electronic pen Display control for displaying the display mode selected by the writer based on the entry information corresponding to the entry on the selection form Equipped with a stage.

  In the electronic pen system described above, the writer enters a handwritten stroke (hereinafter also simply referred to as “stroke”) on the entry sheet with the electronic pen and fills in the selection sheet with the electronic pen. A display mode for displaying the written handwritten stroke is selected. The terminal device displays the handwritten strokes written on the entry sheet in the display mode selected by the selection sheet based on the entry information received from the electronic pen, and the display mode selected by the selection sheet. indicate. Thus, when the writer selects the display mode by filling in the selection sheet with the electronic pen, it can be easily determined on the terminal device that the display mode has been changed. Therefore, according to said electronic pen system, compared with the structure which does not display a display mode, it becomes possible for an writer to work efficiently.

  In one aspect of the electronic pen system, the display control unit displays a list of the display forms selected by a plurality of writers in association with the plurality of writers. Thereby, it is possible to easily grasp the display mode selected by each writer.

  In another aspect of the electronic pen system, the display control means displays a first image corresponding to the handwritten stroke entered by the writer selected by the operator and is selected by the operator. A list of the second images corresponding to the handwritten strokes entered by other writers who did not exist is displayed in a smaller size than the first image.

  In this aspect, the display control means displays the handwritten stroke of the writer selected by the operator (the person who operates the terminal device) in a large size, and displays the handwritten strokes of the writer not selected by the operator in a small size. Specifically, the display control means displays a list of handwritten strokes of the writer who was not selected by the operator side by side at the same time. Thereby, it is possible to display a handwritten stroke of another writer in a comparable manner while displaying the handwritten stroke of a specific writer in an easy-to-see manner.

  In another aspect of the electronic pen system, when the second image is selected by an operator, the display control unit displays the second image by reducing the first image that has already been displayed. At the same time, the second image selected by the operator is enlarged and displayed as a first image. Thereby, according to an operator's selection, a 1st image and a 2nd image can be changed suitably and can be displayed.

  In another aspect of the electronic pen system described above, the display control unit displays the second image when an operation for moving the second image to an area where the first image is displayed is performed by an operator. When the operator performs an operation for moving the first image to an area where the second image is displayed, the second image is reduced by reducing the first image. Display as. Thereby, based on an operator's operation, the display mode of the 1st picture and the 2nd picture can be changed flexibly.

  In another aspect of the electronic pen system, the display control means selects one of the plurality of categories with respect to a plurality of categories in which the contents of the handwritten strokes entered by a plurality of writers are classified. When one of the plurality of categories is selected by the selection button, the handwriting classified into the selected category among the handwritten strokes entered by the plurality of writers is displayed. Display strokes only. Thereby, the operator can display only the handwritten stroke of the writer classified into the desired category by selecting using the selection button.

  In another aspect of the above electronic pen system, the display control means displays a selection button for selecting an aspect for dividing the area for displaying the handwritten stroke, and divides the area by the selection button. When is selected, the handwritten stroke is displayed in each area obtained by dividing the area according to the mode. Thereby, a screen can be divided | segmented based on an operator's selection, and a handwritten stroke can be appropriately displayed on each divided | segmented area.

  Preferably, in the above electronic pen system, the display control means displays the display mode and the handwritten strokes in the order in which the handwritten strokes are completed by a plurality of writers. Thereby, it is possible to easily grasp the order in which the handwritten strokes have been completed.

  Preferably, in the electronic pen system, the display control means displays the display mode and the handwritten strokes in order of increasing number of strokes of the handwritten strokes among a plurality of writers. Thereby, it is possible to easily grasp the order in which the number of strokes is large.

  In a suitable example, the color and / or line width of a handwritten stroke can be used as the display mode described above.

  In another aspect of the present invention, an electronic pen that reads an encoded pattern printed on a sheet and generates entry information corresponding to the encoded pattern, and an encoded pattern that can be read by the electronic pen are printed and entered. An entry form on which the user enters handwritten strokes with the electronic pen and a coding pattern that can be read with the electronic pen are printed, and the display mode is selected when the entry person displays the handwritten strokes entered on the entry form. In an electronic pen system comprising a selection sheet for performing and a terminal device that receives the entry information from the electronic pen and performs processing in accordance with the entry information, the program executed by the terminal device includes: Based on the entry information corresponding to the entry on the selection form by the electronic pen, the above selected by the writer It said to function terminal device as a display control means for displaying the 示態 like.

  In one aspect of the above program, the display control means displays a list of the display modes selected by a plurality of writers in association with the plurality of writers.

  In another aspect of the program, the display control means displays a first image corresponding to the handwritten stroke entered by the writer selected by the operator and has not been selected by the operator. A second image corresponding to the handwritten stroke entered by another writer is displayed in a list with a smaller size than the first image.

  In another aspect of the program, when the second image is selected by the operator, the display control unit displays the second image by reducing the first image that has already been displayed. The second image selected by the operator is enlarged and displayed as a first image.

  In another aspect of the program, the display control unit enlarges the second image when an operation for moving the second image to an area where the first image is displayed is performed by an operator. When the operation for moving the first image to the area where the second image is displayed is performed by the operator, the first image is reduced and displayed as the second image. To do.

  In another aspect of the program described above, the display control means selects a plurality of categories for classifying the contents of the handwritten strokes entered by a plurality of writers to select one of the plurality of categories. When the button is displayed and one of the plurality of categories is selected by the selection button, only the handwritten strokes classified into the selected category among the handwritten strokes entered by the plurality of writers Is displayed.

  In another aspect of the program, the display control means displays a selection button for selecting an aspect for dividing the area for displaying the handwritten stroke, and the aspect for dividing the area by the selection button is selected. When it is done, the handwritten stroke is displayed in each area obtained by dividing the area according to the aspect.

  In another mode of the above program, the display control means displays the display mode and the handwritten strokes in the order in which the handwritten strokes are completed by a plurality of writers.

  In another aspect of the program, the display control means displays the display mode and the handwritten strokes in order of increasing number of strokes of the handwritten strokes among a plurality of writers.

  In another aspect of the program, the display mode is a color and / or line width of the handwritten stroke.

  By executing these programs, the above-described electronic pen system can be realized.

  According to the present invention, the terminal device displays the handwritten strokes written on the entry sheet in the display mode selected by the selection sheet based on the entry information received from the electronic pen, and is selected by the selection sheet. The displayed display mode is displayed. Thus, when the writer selects the display mode by filling in the selection sheet with the electronic pen, it can be easily determined on the terminal device that the display mode has been changed. Therefore, the writer can work efficiently compared to the configuration in which the display mode is not displayed.

It is a system configuration figure of the electronic pen system concerning this embodiment. It is a figure which shows the answer sheet utilized with an electronic pen system. It is a figure which shows the color pallet paper utilized with an electronic pen system. It is a figure for demonstrating correspondence of an answer sheet, an electronic pen, and a student. It is explanatory drawing which shows the relationship between the arrangement | positioning of the dot in a dot pattern, and the value converted. (A) shows a dot pattern typically, and (b) is a figure showing an example of information corresponding to it. It is the schematic which shows the structure of an electronic pen. 1 is a system configuration diagram of an electronic pen system including a functional block diagram of an aggregation device. It is a figure which shows the relationship between a user ID, a user name, and pen ID memorize | stored in the aggregation apparatus. It is a figure which shows the relationship between a user area, line | wire type ID, a color, and line | wire width memorize | stored in the aggregation apparatus. It is a structure figure of the file of the learning data memorize | stored in an aggregation apparatus. It is a display example of a drawing application window in the aggregation device. It is a display example of the drawing application window when the selected user display button is selected. It is a display example of a drawing application window when a comparison list display button is selected. 6 is a flowchart executed to set and display a color / line width and to draw a stroke with a set color / line width. It is a flowchart which shows the process performed in a selection user display. It is a figure which shows the name list paper which concerns on the modification 1. FIG. An example of the drawing application window which concerns on the modification 2 is shown. The other example of the drawing application window which concerns on the modification 2 is shown. An example of the drawing application window which concerns on the modification 3 is shown. An example of the drawing application window which concerns on the modification 4 is shown. An example of the drawing application window which concerns on the modification 5 is shown.

  Hereinafter, preferred embodiments of a system according to the present invention will be described with reference to the drawings.

[System configuration of electronic pen system]
FIG. 1 is a system configuration diagram of an electronic pen system 10 according to the present embodiment. As shown in FIG. 1, the electronic pen system 10 provides answer sheets (entry sheets) 5A, 5B,... (5) distributed to each student (entrant) and answer sheets (handwriting) on the answer sheet 5. The electronic pens 1A, 1B,... (1) for transmitting the entered information to the outside by a wireless communication method such as Bluetooth (registered trademark) and the entry information transmitted from each electronic pen 1 are received. And an aggregation device (terminal device) 2 that displays entry contents and the like on a display (display means).

  In FIG. 1, the aggregation device 2 receives the entry information directly from the electronic pens 1 </ b> A to 1 </ b> C. However, since there are many answer sheets 5 to be filled in, the number of electronic pens 1 that transmit the entry information is large. If the location where the student answers is out of the range of the wireless communication due to the remote location, etc., the entry information transmitted from the other electronic pens 1D, 1E,. A transfer device 3 for transferring is provided. At this time, transmission of data from the transfer device 3 to the aggregation device 2 may be performed by a TCP / IP communication method via a LAN, for example. Each electronic pen 1 can use an anotopen, the aggregation device 2 can use a laptop personal computer, etc., and the transfer device 3 can use a laptop personal computer or a data transfer dedicated computer. can do. The projector 4 is a device that receives display information from the aggregation device 2 and projects and displays the screen of the aggregation device 2 on the screen 6.

  The system 10 also includes a color pallet sheet (selection sheet) 7 for specifying the color and line width for displaying the handwriting written by the aggregation device 2 when filling in the answer sheet 5 with the electronic pen 1. ing. In FIG. 1, only one color pallet sheet 7 is shown, but actually, a plurality of color pallet sheets 7 exist and are distributed to each student.

[Answer sheet]
The answer sheet (entry form) 5 will be described with reference to FIG. As shown in FIG. 2, a set of a plurality of answer sheets 5 is prepared for each student, and dot patterns (coded patterns) in different coordinate ranges are printed on the same answer sheet 5. Further, squares are printed on the answer sheet 5. The dot pattern is printed with ink containing carbon that absorbs infrared rays, and the squares are printed with ink that does not absorb in the infrared region. The answer sheet 5 may be printed with an entry field, a question, an answer field, and the like.

[Color palette paper]
The color pallet paper 7 will be described with reference to FIG. A dot pattern (coded pattern) that can be read by the electronic pen 1 is printed on substantially the entire surface of the color pallet paper 7, and user areas 701 to 706 are defined thereon. Specifically, dot patterns (coded patterns) in different coordinate ranges are printed in the user areas 701 to 706, respectively. The user areas 701 to 706 are used to select a color and a line width (display mode) for displaying stroke information (handwriting) by the electronic pen 1 on the display unit 26 of the aggregation device 2. The user area 701 is a user area for displaying the stroke information in black on the display means 26 of the aggregation device 2 and is printed with “Kuro”. The user area 702 is a user area for displaying stroke information in red on the display unit 26 of the aggregation device 2 and is printed with “red”. The user area 703 is a user area for displaying the stroke information in blue on the display unit 26 of the aggregation device 2, and “A” is printed.

  The user area 704 is a user area for displaying stroke information on the display unit 26 of the aggregation device 2 with a line width of 0.3 mm, and is printed as “0.3 mm”. The user area 705 is a user area for displaying the stroke information on the display unit 26 of the aggregation device 2 with a line width of 0.5 mm, and “0.5 mm” is printed. A user area 706 is a user area for displaying stroke information on the display unit 26 of the aggregation device 2 with a line width of 1.0 mm, and is printed as “1.0 mm”. The dot pattern printed on the color pallet paper 7 has a different dot pattern from the answer paper 5, and the dot pattern is printed with ink containing carbon that absorbs infrared rays. Further, the frames and characters of the user areas 701 to 706 are printed with ink that does not absorb in the infrared region. The student taps the desired user area with the pen tip portion 103 of the electronic pen 1 when setting the color and line width of the stroke information (handwriting) to be displayed on the display unit 26 of the aggregation device 2.

[Answer sheet, correspondence between electronic pen and students]
As for the correspondence between the answer sheet, the electronic pen and the student (entrant), in this embodiment, as shown in FIG. 4, the student “Taro” answers the answer sheet 5A using the electronic pen 1A, The student “Jiro” answers the answer sheet 5B using the electronic pen 1B, the student “Saburo” answers the answer sheet 5C using the electronic pen 1C, and the student “Shiro” uses the electronic pen 1D. It is assumed that the student “Goro” answers the answer sheet 5E using the electronic pen 1E. Further, it is assumed that a lecturer (operator) “Hanako” operates the aggregation device 2.

  [Dot pattern]

  Next, an Anoto dot pattern (coded pattern) printed on the answer sheet 5 and the color pallet sheet 7 will be described with reference to FIGS. FIG. 5 is a diagram for explaining the relationship between the dots of the dot pattern printed on the answer sheet 5 and the color pallet sheet 7 and the values to which the dots are converted. As shown in FIG. 5, each dot of the dot pattern is associated with a predetermined value depending on its position. In other words, each dot is associated with a value of 0 to 3 depending on which direction the top, bottom, left, or right is shifted from the reference position of the grid (intersection of the vertical line and horizontal line). The value of each dot can be further converted into a first bit value for the X coordinate and a second bit value for the Y coordinate. The position coordinates on the paper are determined by the combination of the information thus associated.

  FIG. 6A shows an arrangement of a certain dot pattern. As shown in FIG. 6A, 6 × 6 dots are arranged in a range of about 2 mm in length and width so that a unique pattern can be obtained no matter where 6 × 6 dots are taken from any part of the paper. Yes. The dot pattern formed by these 36 dots holds the position coordinates (for example, where the dot pattern is on the answer sheet 5). FIG. 6B is a diagram in which each dot shown in FIG. 6A is converted into a corresponding value based on the regularity shown in FIG. 5 according to the shift direction from the reference position of the lattice. This conversion is performed by the electronic pen 1 that captures an image of a dot pattern.

[Electronic pen]
Next, the electronic pen 1 will be described with reference to FIG. FIG. 7 is a schematic view showing the structure of the electronic pen 1. 7, the electronic pen 1 includes an ink cartridge 104, an LED 105, a CMOS camera 106, a pressure sensor 107, a processor 108 including a CPU, a memory 109 such as a ROM and a RAM, A communication unit 111 including a real time clock 110, an antenna, and the like, and a battery 112 are provided. The tip of the ink cartridge 104 is a pen tip portion 103, and each student taps the pen tip portion 103 of the electronic pen 1 on the color palette paper 7 or abuts the answer paper 5 to stroke ( Write handwritten strokes). The ink of the ink cartridge 104 does not include a material that absorbs infrared rays (for example, carbon). Here, contact of the pen tip portion 103 of the electronic pen 1 with the paper is referred to as “pen down”, and removal of the pen tip portion 103 from the contact (contact) state is referred to as “pen up”. . A trajectory written between the pen-down and pen-up of the electronic pen 1 is one stroke, and characters, figures, etc. are composed of one or a plurality of strokes.

  The battery 112 is for supplying electric power to each component in the electronic pen 1. For example, the battery 112 is configured to turn on / off the electronic pen 1 itself by attaching and detaching a cap (not shown) of the electronic pen 1. May be. The real time clock 110 transmits time information indicating the current time (time stamp) and supplies the time information to the processor 108. The pressure sensor 107 measures the pressure applied through the ink cartridge 104 from the pen tip portion 103 when the student writes characters or marks on the answer sheet 5 with the electronic pen 1 or taps on the color palette sheet 7, that is, the writing pressure. The value is detected and the value is transmitted to the processor 108.

  The processor 108 switches on / off the switches of the LED 105 and the CMOS camera 106 based on the writing pressure data supplied from the pressure sensor 107. That is, when the student writes characters or the like on the answer sheet 5 with the electronic pen 1, the pen pressure is applied to the pen tip portion 103, and when the pressure sensor 107 detects a writing pressure higher than a predetermined value, the processor 108 It is determined that the student has started entry, and the LED 105 and the CMOS camera 106 are operated. When the student finishes entering one stroke and releases the electronic pen 1 from the answer sheet 5, the pressure sensor 107 detects pen-up because no writing pressure exceeding a predetermined value is detected. Then, the communication unit 111 associates the pen-up information detected by the pressure sensor 107 with the pen ID and transmits it as entry information to the aggregation device 2.

  The LED 105 and the CMOS camera 106 are attached near the pen tip portion 103 of the electronic pen 1, and an opening 102 is formed in a portion of the housing 101 that faces the LED 105 and the CMOS camera 106. The LED 105 illuminates infrared rays toward the vicinity of the pen tip portion 103 on the answer sheet 5 and the color pallet sheet 7. The area is slightly shifted from the position where the pen tip 103 contacts the answer sheet 5 and the color pallet sheet 7. The CMOS camera 106 is provided with an infrared transmission filter that transmits infrared rays and blocks non-infrared rays. The CMOS camera 106 captures a dot pattern in an area illuminated by the LED 105, and the image data of the dot pattern is captured. This is supplied to the processor 108. Here, since carbon absorbs infrared rays, the infrared rays irradiated by the LED 105 are absorbed by the carbon contained in the dots. Therefore, the dot portion has a relatively small amount of infrared reflection, and the portion other than the dot has a relatively large amount of infrared reflection. By photographing with the CMOS camera 106, a threshold value is provided based on the difference in the amount of reflected infrared light, so that a dot region containing carbon can be distinguished from other regions. Therefore, even when an entry column or the like is printed on the answer sheet 5, the printed ink does not have an absorptivity in the infrared region, and thus the processor 108 can recognize the dot pattern. Note that the shooting area by the CMOS camera 106 is a range including a size of about 2 mm × about 2 mm as shown in FIG. 6A, and the shooting by the CMOS camera 106 is performed at regular intervals of about 50 to 100 times per second. Is called. Further, the CMOS camera 106 has a sufficient depth of field in order to photograph dots clearly.

  The processor 108 uses the dot pattern of the image data supplied by the CMOS camera 106 while the student's entry is performed, and the X and Y coordinates (hereinafter simply referred to as “X” and “Y” coordinates on the answer sheet 5 of the stroke (handwriting) to be entered by the student. (Also called “coordinate data” or “coordinate information”) is continuously calculated. That is, the processor 108 converts the image data of the dot pattern as shown in FIG. 6A supplied by the CMOS camera 106 into the data array shown in FIG. The data is converted into a Y coordinate bit value, and X and Y coordinate data are calculated from the data array by a predetermined calculation method. The processor 108 has a rotation correction processing function for correcting the arrangement of dots on the image due to the angle of the electronic pen 1 facing the dot pattern, and is used for coordinate calculation. Then, the processor 108 associates the current time (time stamp: entered time information) transmitted from the real-time clock 110, writing pressure data, and X and Y coordinate data. Hereinafter, these associated data are collectively referred to as “coordinate attribute information”. The 6 × 6 dot pattern in the answer sheet 5 and the color pallet sheet 7 does not overlap in the answer sheet 5 and the color pallet sheet 7, so when the student enters characters or the like with the electronic pen 1, Which position on the answer sheet 5 and the color pallet sheet 7 the entered position corresponds to can be specified by coordinate calculation by the processor 108.

  The memory 109 stores property information such as pen IDs “pen01” to “pen05”, pen manufacturer numbers, and pen software versions for identifying the electronic pens 1A to 1E. Then, the communication unit 111 associates the pen ID, time information (time stamp), writing pressure data, and X and Y coordinate data, and transmits them to the aggregation device 2 as entry information. Transmission to the aggregation device 2 by the communication unit 111 is performed instantaneously and sequentially by wireless transmission such as Bluetooth (registered trademark). Here, one or a plurality of coordinate attribute information generated between the pen-down and pen-up of the electronic pen 1 and transmitted to the aggregation device 2 is stored as stroke information by the aggregation device 2. In other words, one stroke is composed of one or a plurality of X and Y coordinates (coordinate points), and the aggregation device 2 uses one or more of the pen-down information and the pen-up information to constitute one or a plurality of strokes. Recognize coordinate attribute information.

  As described above, each time the student fills in the answer sheet 5 and the color pallet sheet 7, the electronic pens 1 </ b> A to 1 </ b> E generate entry information and transmit it to the aggregation device 2. In other words, the electronic pens 1 </ b> A to 1 </ b> E continue to generate entry information and transmit it to the aggregation device 2 while the student continues to fill in the answer sheet 5 and the color palette sheet 7. When the student leaves the electronic pen 1 from the answer sheet 5 and the color pallet sheet 7 (pens up), the electronic pen 1 is no longer detected by the pressure sensor 107 to have a writing pressure higher than a predetermined value. It is determined that the student has stopped entry. In this case, the pen-up electronic pen 1 stops the LED 105 and the CMOS camera 106 and stops sending the entry information to the aggregation device 2.

[Transfer device]
The transfer device 3 will be described with reference to FIG. FIG. 8 shows a system configuration diagram of the electronic pen system 10 including a functional block diagram of the transfer device 3 and a functional block diagram of the aggregation device 2.

  As illustrated in FIG. 8, the transfer device 3 includes a transfer reception unit 31 and a transfer transmission unit 32. The transfer receiving means 31 is means for receiving data such as entry information transmitted from the electronic pen 1 by the Bluetooth (registered trademark) wireless communication system. The transfer transmitting unit 32 is a unit that transmits data such as entry information received by the transfer receiving unit 31 to the aggregation device 2. The transmission of data to the aggregation device 2 by the transfer transmission means 32 may be performed by a TCP / IP communication system via a LAN, for example.

[Aggregator]
Next, the aggregation device 2 will be described. As shown in FIG. 8, the aggregation device 2 includes a range designation unit 20, an input unit 21, an aggregation individual reception unit (reception unit) 22, an aggregation transfer reception unit (reception unit) 23, an aggregation processing unit (processing unit) 24, A storage unit 25, a display unit 26, and a transmission unit 27 are provided. The aggregation device 2 includes, as hardware, a communication device capable of data communication with the electronic pen 1 and the projector 4, a processor such as a CPU, a memory such as a ROM, a RAM, and a hard disk, a display, a mouse, a keyboard, and the like. It is a configured personal computer or the like. Further, the aggregation device 2 processes the entry information received from the electronic pen 1 by executing the drawing application (program) by the aggregation processing means 24 and reproduces the entry contents on the display means 26.

  The aggregated individual receiving means 22 is means for receiving data such as entry information transmitted from the electronic pen 1. The aggregate transfer receiving means 23 is means for receiving data such as entry information transferred from the transfer device 3. The aggregated individual receiving unit 22 and the aggregated transfer receiving unit 23 are configured by an antenna, a receiving circuit, and the like.

  The range specifying means 20 is constituted by a pointing device such as a mouse and means for detecting the operation thereof, and by using the mouse, a button click operation on the screen of the display means 26 and a rectangular screen range of an arbitrary position / size are displayed. The specified drag operation is possible. The input means 21 is a means for instructing a processing mode including processing and display types, and is configured by a keyboard and a mouse and a means for detecting the operation. As described above, the mouse serves as both the range specifying unit 20 and the input unit 21 by the operation. The transmission means 27 is a means for transmitting the same content as the content displayed on the display means 26 from the projector 4 to the screen 6 and transmitting the display signal to the display means 26 to the projector 4 in synchronization.

  The storage means 25 is constituted by a memory such as a ROM, a RAM, and a hard disk, and stores each user area and the position coordinates in the answer sheet 5 in association with each other. As shown in FIG. 9, the storage unit 25 stores a user ID and a user name in association with the unique pen ID held by the electronic pen 1 as user definition information. In FIG. 9, for example, a user ID “U01” and a user name “Taro” are stored in association with a pen ID “pen01” in advance. Further, the storage unit 25 stores the entry information transmitted by each electronic pen 1 for each pen ID.

  The storage unit 25 associates the user areas 701 to 706 on the color pallet sheet 7 with the color, line width, and line type ID, and stores them as color pallet definition information. That is, as illustrated in FIG. 10, the storage unit 25 stores the color, line width, and line type ID for displaying the stroke information (handwriting) on the display unit 26 of the aggregation device 2 for each of the user areas 701 to 706. ing. In the color palette definition information, each user area 701 to 706 is associated with the coordinate range of the corresponding dot pattern. Here, in the user areas 701 to 703, “Kuro”, “Aka”, “Ao” and their line types “L71”, “Color” are displayed as the colors displayed on the display unit 26 of the aggregation device 2, respectively. L72 ”and“ L73 ”are associated with each other, and the user areas 704 to 706 have“ 0.3 mm ”,“ 0.7 mm ”,“ 1. 0 mm "and the line type IDs" L74 "," L75 ", and" L76 "are associated with each other. The colors and line widths associated with the user areas 701 to 706 correspond to the characters and line colors and line widths printed in the user areas 701 to 706 of the color palette 7, so that the student wants to use them. The color and line width are easy to select, and the color palette 7 is easy to use.

  The storage unit 25 stores learning data in a file format by executing the drawing application (program) by the aggregation processing unit 24 based on the entry information and the user definition information. FIG. 11 shows a schematic structure of a data file format. As shown in FIG. 11, the learning data includes file attribute information and personal learning data for each user ID. The file attribute information includes creation date information. The personal learning data includes a user ID, user stroke information including position coordinate information of entry information transmitted from the electronic pen 1, and a user set by the operator for categorization according to the answer content and the like. Color (classification) information and the like are included. The user ID is identified by the aggregation processing unit 24 by referring to the user definition information stored in advance in the storage unit 25 based on the pen ID included in the entry information, and corresponds to the user stroke information based on the entry information. Attached. The user stroke information includes position coordinate (XY coordinate) information calculated by the electronic pen 1, time information when written, and writing pressure information. The stroke color and line width are stored as user stroke information in association with the stroke. When reading the file data, the operator inputs specific information such as user ID and user color information into the predetermined input area by using the input unit 21, thereby causing the aggregation processing unit 24 to search for specific data, and the user stroke information. Can be reproduced on the display means 26.

  The aggregation processing unit 24 is a unit that aggregates and processes data from the electronic pen 1 and is configured by a processor such as a CPU that exhibits a function by executing an application program. When receiving the entry information including the position coordinates and the pen ID from the electronic pen 1, the aggregation processing unit 24 stores the entry information for each pen ID in the storage unit 25. Further, the aggregation processing unit 24 reproduces the entry information associated with each pen ID as a handwriting and displays it on the display unit 26, and each corresponding to the range specified by dragging by the mouse operation of the range specifying unit 20 The entry information on the answer sheet 5 is extracted from the storage means 25, and various processes are performed such as displaying the entry information on each answer sheet 5 as a handwriting on the display means 26 as a list.

  Further, the aggregation processing unit 24 displays the entry content on the display unit 26 and displays the user name corresponding to the user ID corresponding to the electronic pen ID based on the learning data including the entry information about the answer sheet 5. Since the entry content and the user name by the electronic pen 1 are displayed on the display means 26, the lecturer “Hanako” who is an operator can recognize the student (filler) and the entry content by the person together. it can. In addition, the aggregation processing unit 24 synchronizes the same contents as the display unit 26 and projects and displays it on the screen 6 from the projector 4, so that the same signal as the display signal for the display unit 26 is directed to the projector 4 to the transmission unit 27. To send. Then, each student can also recognize the entry contents projected from the projector 4 on the screen 6 and the entry person. Although the details will be described later, the aggregation processing unit 24 corresponds to an example of the “display control unit” in the present invention.

[Screen display by drawing application]
Next, display processing on the display unit 26 of the aggregation processing unit 24 by executing the drawing application will be described with reference to FIG. FIG. 12 shows an example of a window (also referred to as a “drawing application window”) based on the drawing application displayed on the display screen of the display means 26.

  As shown in FIG. 12, based on the entry information generated when the answer sheet 5 is filled with the electronic pen 1, the user stroke information (hereinafter simply referred to as simply learning data) stored in the storage means 25 by the aggregation device 2 is stored. Is drawn in the user stroke information display area 50 of the display means 26 by the aggregation processing means 24. When the user stroke information to be drawn is larger than the user stroke information display area 50 in enlarged display or the like, the aggregation processing unit 24 validates the horizontal scroll bar 51 and the vertical scroll bar 52, and the user stroke information is operated by the operator's mouse operation. The display area 50 is scrolled so that the entire user stroke information can be displayed in a plurality of times.

  In addition, the aggregation processing unit 24 includes a selection user display button 53, a comparison list display button 54, a reproduction display button 56, a selection image output button 57, a display size change list 58, and a reduction display button as function buttons at the top of the drawing application window. 59, an enlarged display button 60, page feed buttons 61 and 62, rotation display buttons 63 and 64, a user control display button 65, and the like, and each process is executed by selecting a function button with a mouse.

  The selected user display button 53 displays a large list of user stroke information corresponding to one user name selected from a user selection list 69, which will be described later, and displays a list of thumbnails that display small user stroke information corresponding to other user names. It is a button for. Hereinafter, the display of the drawing application window when the selected user display button 53 is selected is referred to as “selected user display”. The comparison list display button 54 is a button for displaying a list of user stroke information corresponding to a plurality of user names at the same time. Hereinafter, the display of the drawing application window when the comparison list display button 54 is selected is referred to as “comparison list display”. The reproduction display button 56 is a button for reproducing and displaying user stroke information one stroke at a time. The selected image output button 57 is a button for outputting user stroke information within an arbitrary selection range as image data. By providing this function, it is possible to easily create a model answer collection that can be used as a reference from the information entered by each student.

  The display size change list 58 is a list indicating the display size of the user stroke information currently drawn in the user stroke information display area 50. In addition, the operator can arbitrarily select and change the display size from the pull-down menu using the mouse. The reduction display button 59 is a function for reducing the display size of the user stroke information drawn in the user stroke information display area 50 at a predetermined rate from the currently set display size. The enlargement display button 60 is a function for enlarging the display size of the user stroke information drawn in the user stroke information display area 50 at a predetermined rate from the currently set display size. The page feed buttons 61 and 62 are buttons for displaying answer sheets 5 having different page addresses (paper dot patterns) when a plurality of answer sheets 5 are set. The rotation display buttons 63 and 64 are buttons for rotating the user stroke information drawn in the user stroke information display area 50 by 90 degrees. By providing such a function, the paper orientation on the display can be easily changed. The user control display button 65 is a function for switching display / non-display of the user control list 68. By making it non-displayed, the user stroke information display area 50 can be enlarged.

  As shown in FIG. 12, the user control list 68 includes a user selection list 69, color classification buttons 71 to 76, a list order sort button 78, a color order sort button 79, a classification graph display button 81, a reload button 82, and the like. Is done.

  The user selection list 69 is a list for selecting user stroke information displayed in the user stroke information display area 50 by a user name. The user selection list 69 includes a user color (classification) information display field 691, a user name display field 692, and a color / width display field 693. The aggregation processing unit 24 displays the user name corresponding to the user ID associated with each user stroke information acquired from the electronic pen 1 and stored as individual learning data in the storage unit 25 in the user name display field 692, and the color The user color (classification) information selected by the classification buttons 71 to 76 is displayed in the user color (classification) information display field 691, and the stroke color and line width selected by each student on the color palette paper 7 are displayed in the color / width. Displayed in the display field 693. In the user name display field 692 of the user selection list 69, the user name corresponding to the user ID of the individual learning data stored in the storage unit 25 is displayed by the aggregation processing unit 24. Then, when the operator selects a desired user from the user selection list 69 with the mouse and clicks the selected user display button 53, the aggregation processing unit 24 displays the selected student in the user stroke information display area 50. Stroke information is displayed in a large size, and thumbnails displaying small stroke information of other students are displayed in a list.

  The color classification buttons 71 to 76 are buttons for setting user color (classification) information for each student displayed in the user selection list 69. The button 71 is a button for setting user color (classification) information in red, the button 72 in blue, the button 73 in yellow, the button 74 in green, the button 75 in brown, and the button 76 in white. When the operator of the aggregation device 2 selects a specific user name in the user selection list 69 with the mouse and selects a desired button among the color classification buttons 71 to 76, the aggregation processing unit 24 displays the user selection list 69. The user color (classification) information display column 691 of the selected user name is displayed in the designated color. With this function, an instructor who is an operator can see the answer contents of the student displayed in the user stroke information display area 50, color the way of thinking and the like, and make it easy to see. The user color (classification) information may be set to white when not set.

  The list order sort button 78 is a button for sorting the user list displayed in the user selection list 69 in the order of the list number. In the present embodiment, the order of user IDs shown in FIG. The color order sort button 79 arranges the user list displayed in the user selection list 69 continuously with students having the same user color (classification) information attached by the operation of the color classification buttons 71 to 76. In this way, the buttons are used for rearranging in the order of user color (classification) information. The classification graph display button 81 is a button for displaying the number of users for each user color information attached by operating the color classification buttons 71 to 76 in the user stroke information display area 50 as a bar graph or the like.

  The reload button 82 is a button for returning the user stroke information of the student selected in the user selection list 69 to the state when the learning data file is stored. With this function, when the instructor who is the operator selects the reload button 82 with the mouse, the aggregation processing means 24 performs electronic processing after the previous file storage based on the user ID associated with the selected student. The user stroke information received from the pen 1 and stored in the storage area for each user ID in the storage means 25 is cleared, and the user stroke information up to the time when the previous file was saved is read and displayed in the user stroke information display area 50. This function can be used when an individual student wants to redo an answer.

  In addition, file data storage, application settings, and the like may be prepared as function menus in the same manner as general applications. As a pull-down menu of the file menu 90, a list of execution functions related to general management of the application such as a menu for reading and saving file data, a menu for saving in an image format, and a menu for closing the application is prepared. It is convenient to leave.

  In addition, since the file format for saving file data has a structure in which user stroke information for each user is associated with setting information, when reading file data, search for specific data from the user ID, user color information, etc. The user stroke information thus displayed can be displayed in the user stroke information display area 50.

  As a pull-down menu of the display menu 91, it is convenient to prepare a list of execution functions related to application display, such as a full-screen display menu that hides the window frame and maximizes the display area of the application. Further, as a pull-down menu of the tool menu 92, a pen management menu for displaying the connection status of the electronic pen 1 (for example, the IP address of the transfer device 3) and an image of the answer sheet 5 as a background for displaying user stroke information are set. It is convenient to prepare a list of execution functions related to application settings, such as a paper management menu and a menu that displays application version and property information. When these buttons and menus are selected, each function is executed by the aggregation processing means 24.

[Selected user display function]
Next, the selected user display function when the selected user display button 53 is selected will be described with reference to FIG.

  FIG. 13 shows an example of the selected user display in the drawing application window displayed when the selected user display button 53 is selected. As shown in FIG. 13, when the selected user display button 53 is selected, the aggregation processing unit 24 selects the student (FIG. 13) selected by the operator using the user selection list 69 in the user stroke information display area 50. In the example shown in FIG. 13, an enlarged image 200A (200) in which the user stroke information of “Taro”) is displayed is displayed, and other students who are not selected by the operator (“Jiro” in the example shown in FIG. 13), The user stroke information of “Saburo”, “Shiro”, “Goro”) is displayed as a list with thumbnails 201B to 201E (201) displayed smaller than the enlarged image 200. Specifically, the aggregation processing unit 24 displays the enlarged image 200 in the upper area of the user stroke information display area 50 and displays thumbnails 201 in a list in the lower area of the user stroke information display area 50 at the same time. In this case, the aggregation processing unit 24 displays the thumbnail 201 corresponding to the user stroke information of each student at the same scale.

  More specifically, the aggregation processing unit 24 uses the color / line width selected by the student using the color pallet paper 7 or, if no color / line width is selected, the default color / line width, The strokes written on the answer sheet 5 by the electronic pen 1 are displayed by each student. Further, the aggregation processing unit 24 cuts out a range including at least a stroke written by each student, and displays an image corresponding to the cut-out range as an enlarged image 200 and a thumbnail 201. Since the number of strokes, the stroke length, and the like are different for each student, the size of the cut-out range is different, and therefore the size of the thumbnail 201 tends to be different for each student. Furthermore, the aggregation processing unit 24 highlights the portion of the user selection list 69 corresponding to the student selected by the operator (that is, the student displaying a large stroke). Specifically, the aggregation processing means 24 displays the number of the user selection list 69 corresponding to the student selected by the operator (“Taro” in the example shown in FIG. 13) surrounded by a frame 99 such as red. Let When the thumbnails 201 to be displayed in a list do not fit in the user stroke information display area 50, the aggregation processing unit 24 validates the horizontal scroll bar 51 and scrolls the user stroke information display area 50 by an operator's mouse operation. Thus, the thumbnail 201 can be displayed in a plurality of times.

  The enlarged image 200 corresponds to the “first image” in the present invention, and the thumbnail 201 corresponds to the “second image” in the present invention. Here, the enlarged image 200 does not use the word “enlarge” in the sense that it is an image obtained by actually enlarging the stroke entered by the student, but means “enlarged” in the sense that the image is larger than the thumbnail 201. Is used (the same applies hereinafter). This definition is similarly applied to “enlarged display” and “reduced display” described later. That is, “enlarged display” is not used to mean that the actual stroke is enlarged and displayed, but is used to mean that the actual stroke is displayed in a larger size than the thumbnail 201, and “reduced display” is used to reduce the actual stroke. It is not used in the sense of displaying the image, but is used in the meaning of displaying in a size smaller than the enlarged image 200 (the same applies hereinafter).

  On the other hand, when any one of the thumbnails 201 is selected by an operator's mouse operation or the like, the aggregation processing unit 24 reduces the enlarged image 200 that has already been enlarged and displays the selected thumbnail 201. Zoom in. That is, the aggregation processing unit 24 displays a list of the enlarged images 200 that are already enlarged and displayed as thumbnails 201 and displays the thumbnails 201 selected by the operator as the enlarged image 200. In other words, the enlarged image 200 that has already been enlarged and the thumbnail 201 selected by the operator are exchanged.

  Further, as shown in FIG. 13, the currently set stroke color and line width are displayed in the color / width display field 693 of each student. Specifically, the student “Taro” displays a line segment indicating that the color is blue and the line width is 1 mm, and the student “Jiro” has a red color and the line width is 0.7 mm. A line segment indicating that the student “Saburo” has a blue color and a line width of 0.7 mm is displayed, and the student “Shiro” has a black color and a line width A line segment indicating that the color is 0.7 mm is displayed, and the student “Goro” is displayed a line segment indicating that the color is black and the line width is 0.3 mm. When the color / line width is selected by the student using the color pallet sheet 7, the aggregation processing unit 24 displays the color / line width in the color / width display column 693. On the other hand, the aggregation processing unit 24 displays the default color / line width in the color / width display field 693 when the color / line width is not selected by the student. For example, the default color is black and the default line width is 0.7 mm.

  Further, as shown in FIG. 13, colors are displayed in the user color (classification) information display column 691 of each student. Specifically, the student “Taro” is yellow, the student “Jiro” is yellow, the student “Saburo” is blue, and the student “Shiro” is red. The person “Goro” is yellow. The operator categorizes the way of thinking (how to solve) the student's answer, assigns a color to each, and selects a desired button among the color classification buttons 71 to 76 for each student. Then, the aggregation processing unit 24 displays the user color (classification) information display field 691 of each student in the color designated by the operator. In the example shown in FIG. 13, the operator assigns yellow to the idea of an answer using a sequence of numbers, assigns blue to the idea of an answer using a triangular area, and assigns red to the idea of an answer based on the trapezoid area. ing.

[Compare list display function]
Next, a comparison list display function when the comparison list display button 54 is selected will be described with reference to FIG.

  FIG. 14 shows an example of the comparison list display of the drawing application window displayed when the comparison list display button 54 is selected. As shown in FIG. 14, when the comparison list display button 54 is selected by the operator, the aggregation processing unit 24 displays thumbnails 202A to 202B on which the user stroke information of each student is reduced and displayed in the user stroke information display area 50. 202E (202) is arranged and displayed at the same time. In this case, the aggregation processing unit 24 displays the thumbnail 202 corresponding to the user stroke information of each student at the same scale. Further, the aggregation processing unit 24 cuts out a range including at least a stroke written by each student, and displays an image corresponding to the cut-out range as the thumbnail 202.

  In the example shown in FIG. 14, as in FIG. 13, the color is displayed in the user color (classification) information display field 691 of each student, and the color / width display field 693 of each student is also displayed. The currently set stroke color and line width are displayed.

[Processing flow]
Next, a processing flow performed by the aggregation device 2 in this embodiment will be described with reference to FIGS. 15 and 16.

  FIG. 15 is a flowchart executed to set and display the color / line width and to draw a stroke with the set color / line width. First, in the aggregation device 2, the aggregated individual receiving unit 22 and the aggregated transfer receiving unit 23 receive entry information from the electronic pen 1, and the aggregation processing unit 24 stores entry information including stroke information and pen ID in the storage unit 25. Store (step S101). Then, the aggregation processing unit 24 recognizes the pen ID included in the entry information (step S102). At this time, the aggregation processing unit 24 specifies the user ID and the user name corresponding to the pen ID included in the entry information by referring to the user definition information (see FIG. 9). Next, the aggregation processing unit 24 determines the paper type from the position coordinates included in the entry information (step S103).

  In step S103, when the aggregation processing unit 24 determines that the color pallet paper 7 is filled in from the user area and the paper type specified based on the position information included in the stroke information (step S103: color pallet paper). Referring to the color palette definition information (see FIG. 10), the color / line width corresponding to the user area is specified, and the specified color / line width is stroked by the electronic pen 1 with the pen ID recognized in step S102. Is set as the color and line width for rendering (step S104). Specifically, the aggregation processing unit 24 refers to the color palette definition information based on the coordinate data of the entry information, and identifies the color and line type of the user area. Then, the aggregation processing unit 24 displays the color / line width set in this way in the color / width display column 693 corresponding to the pen ID recognized in step S102 (step S105).

  On the other hand, in step S103, the aggregation processing unit 24 determines that the answer sheet 5 is filled in from the user area and the sheet type specified based on the position information included in the user stroke information (step S103: answer sheet). ) A stroke is drawn in the user stroke information display area 50 with the color / line width set in step S104 (step S106).

  The aggregation processing unit 24 sets the color and the line width selected by the student when both the color and the line width are selected by the student using the color palette sheet 7. On the other hand, when only one of the color and the line width is selected by the student, the aggregation processing unit 24 sets one of the color and the line width to the one selected by the user, and the color and the line Set the other width to the default. On the other hand, the aggregation processing means 24 sets the default color and line width when neither the color nor the line width is selected by the student. The aggregation processing unit 24 displays the color and line width set in this way in the color / width display column 693 and draws a stroke with the color and line width. For example, the default color is black and the default line width is 0.7 mm.

  FIG. 16 is a flowchart showing processing executed in the selected user display. First, the aggregation processing unit 24 detects that any one of the thumbnails 201 displayed in the lower area is selected by an operator's mouse operation or the like (step S201). Then, the aggregation processing unit 24 displays the enlarged image 200 already displayed in the upper area in a reduced size and displays the thumbnail 201 selected by the operator in the upper area in an enlarged manner (step S202). That is, the aggregation processing unit 24 displays a list of the enlarged images 200 that are already enlarged and displayed as thumbnails 201 and displays the thumbnails 201 selected by the operator as the enlarged image 200. In other words, the enlarged image 200 that has already been enlarged and the thumbnail 201 selected by the operator are exchanged.

[Effects of this embodiment]
According to the present embodiment described above, the aggregation device 2 displays the currently set stroke color and line width in the color / width display field 693 for each student. Specifically, when the color / line width is selected by the student using the color pallet sheet 7, the aggregation device 2 displays the color / line width in the color / width display field 693, and the student When the color / line width is not selected by the above, the default color / line width is displayed in the color / width display field 693. Thereby, when the student selects the color / line width by tapping the color palette sheet 7 with the electronic pen 1, it is possible to easily determine on the aggregation device 2 that the color / line width has been changed. it can. Therefore, according to the present embodiment, it is possible for the student to work efficiently compared to the case where the color / line width is not displayed in the color / width display field 693.

  In addition, in the selected user display, the aggregation device 2 displays an enlarged image 200 in which the stroke of the student selected by the operator is enlarged and displays the strokes of other students not selected by the operator in a reduced manner. Listed thumbnails 201 are displayed. Thereby, it is possible to display the strokes of other students in a comparable manner while displaying the strokes of a specific student easily.

  Furthermore, when any one of the thumbnails 201 is selected by the operator's mouse operation or the like in the selected user display, the aggregation device 2 displays a list of the enlarged images 200 that have already been enlarged and displayed as thumbnails 201 and the operation. The thumbnail 201 selected by the user is displayed as the enlarged image 200. Accordingly, the thumbnail 201 and the enlarged image 200 can be appropriately switched and displayed according to the operator's selection.

[Modification]
Next, a modification of the above embodiment will be described. In addition, the modification shown below can be implemented in combination as appropriate.

(Modification 1)
In the embodiment described above, the entry information transmitted by the electronic pen 1 is stored in the storage device 25 in the aggregation device 2 in direct association with the preset pen ID. In the first modification, a name list sheet 8 as shown in FIG. 17 is used for storing such entry information.

  Specifically, in the first modification, a list sheet 8 printed with a dot pattern different from the answer sheet 5 as shown in FIG. 17 is prepared, and a user ID is associated with each of the user areas 801 to 806 to collect the aggregation device 2. Remember it. Then, when filling in the answer sheet 5, by tapping any of the user areas 801 to 806 with the electronic pen 1 in advance, the pen ID of the electronic pen 1 and the user area are associated with the aggregation device 2 side. The user ID may be stored in association with each other, and subsequent entry information by the electronic pen 1 may be stored in association with the user ID. With this configuration, even when a plurality of students use the same electronic pen 1, the user ID associated with the electronic pen 1 can be changed by changing the user area tapped on the name sheet 8. Therefore, whenever the student changes, the electronic pen 1 to be used may be tapped on the corresponding user area.

(Modification 2)
The second modification is different from the above-described embodiment in that a stroke is displayed in the user stroke information display area 50 for each of a plurality of categories classified by the operator using the color classification buttons 71 to 76 according to the idea of the answer. That is, in the second modification, only the strokes of the students having the same user color (classification) information attached by the operation of the color classification buttons 71 to 76 are displayed in the user stroke information display area 50. Specifically, in the second modification, the aggregation processing unit 24 of the aggregation device 2 displays a button for allowing the operator to select user color (classification) information, and the user color (classification) selected by the button. The stroke of the student for whom information is set is displayed.

  FIG. 18 shows an example of a drawing application window according to the second modification. It should be noted that functions and processing not particularly described here are the same as those in the above-described embodiment (particularly, see FIG. 13).

  As shown in FIG. 18, in the second modification, the aggregation processing unit 24 selects the display for causing the operator to select desired user color (classification) information in order to display a stroke for each user color (classification) information. Buttons 85A to 85F (85) are displayed on the color classification buttons 71 to 76 in the user control list 68. The selection display buttons 85A to 85F are radio buttons for displaying a student's stroke set with user color (classification) information corresponding to the color classification buttons 71 to 76 positioned below each. When any of the selection display buttons 85A to 85F is selected by the operator, the aggregation processing unit 24 sets the user color (classification) information corresponding to the selection display button 85 selected by the operator. The stroke is displayed in the user stroke information display area 50.

  In the example shown in FIG. 18, it is assumed that the operator has selected the selection display button 85C corresponding to the color classification button 73 (button for setting the user color (classification) information to yellow). In this case, the aggregation processing unit 24 displays the strokes written by the students “Taro”, “Jiro”, and “Goro” with the user color (classification) information set to yellow with the electronic pen 1 in the user stroke information display area 50. To display. Specifically, the aggregation processing means 24 displays an enlarged image 203A in which the stroke of a specific student (“Taro” in the example shown in FIG. 18) is enlarged and displayed, as in the above-described selected user display (see FIG. 13). In addition to the display, thumbnails 203B and 203E are displayed as thumbnails with the strokes of other students (“Jiro” and “Goro” in the example shown in FIG. 18) reduced.

  According to the modified example 2 described above, the operator can display only the stroke of the student for which the desired user color (classification) information is set by selecting using the selection display button 85.

  As shown in FIG. 19, the user color (classification) selected by the operator when displaying the stroke of the student in which the user color (classification) information selected by the operator is set as described above is displayed. Only students for whom information is set may be displayed in the user selection list 69A as a user list.

(Modification 3)
In the selected user display described with reference to FIG. 13 and the like, only the strokes of one student are enlarged and displayed, but in Modified Example 3, the strokes of a plurality of students are enlarged and displayed in the selected user display. Specifically, in Modification 3, the aggregation processing unit 24 of the aggregation device 2 displays a plurality of thumbnails side by side when a plurality of thumbnails are selected by an operator's mouse operation or the like.

  FIG. 20 shows an example of a drawing application window according to the third modification. It should be noted that functions and processing not particularly described here are the same as those in the above-described embodiment (particularly, see FIG. 13).

  In the third modification, when the selected user display button 53 is selected by the operator, the aggregation processing unit 24 selects the plurality of thumbnails when the thumbnail is dragged and moved to the upper area by the mouse operation of the operator. Enlarged images with the thumbnails of the images enlarged are displayed side by side. In the example shown in FIG. 20, the operator drags two thumbnails (FIG. 20 shows a display image after the two thumbnails are enlarged and the two thumbnails are not shown) with the mouse. Then, the aggregation processing unit 24 displays the enlarged images 204C and 204D in which the two thumbnails are enlarged and displayed side by side on the left and right.

  In addition, the aggregation processing unit 24 highlights portions of the user selection list 69 corresponding to a plurality of students selected by the operator (that is, a plurality of students who have displayed the strokes in an enlarged manner). In the example shown in FIG. 20, the aggregation processing means 24 displays the numbers of the user selection list 69 corresponding to each of the students “Saburo” and “Shiro” surrounded by frames 99A and 99B such as red.

  Note that when the enlarged image is dragged and moved to the lower area by the operator's mouse operation, the aggregation processing unit 24 may reduce the enlarged image into a thumbnail. Further, the aggregation processing unit 24 may display the enlarged images in which the plurality of thumbnails are enlarged when the plurality of thumbnails are clicked or double-clicked by an operator's mouse operation. Further, when the enlarged image is clicked or double-clicked by an operator's mouse operation, the aggregation processing means 24 may reduce the enlarged image to make a thumbnail. In addition, the aggregation processing unit 24 may display an enlarge button for causing each thumbnail to be displayed in an enlarged manner, and may enlarge and display a thumbnail for which the enlarge button has been pressed.

  According to Modification 4 described above, the display mode of the selected user display can be flexibly changed based on the operation of the operator.

(Modification 4)
In the selected user display described with reference to FIG. 13 and the like, thumbnails 201 with reduced strokes are displayed in a list in the horizontal direction. However, in Modification 4, thumbnails are displayed in a list in the selected user display in the vertical direction. Let

  FIG. 21 shows an example of a drawing application window according to the fourth modification. It should be noted that functions and processing not particularly described here are the same as those in the above-described embodiment (particularly, see FIG. 13).

  As shown in FIG. 21, in Modification 4, the aggregation processing means 24 of the aggregation device 2 is selected by the operator in the user stroke information display area 50 when the selected user display button 53 is selected by the operator. The enlarged image 205A in which the strokes of the students are enlarged is displayed, and thumbnails 205B to 205D in which the strokes of other students not selected by the operator are reduced are displayed in a list in the vertical direction. Specifically, the aggregation processing unit 24 displays the enlarged image 205 </ b> A in the left area of the user stroke information display area 50, and displays thumbnails 205 </ b> B to 205 </ b> D at the same time in the right area of the user stroke information display area 50. . In the example shown in FIG. 21, since the thumbnails to be displayed in a list do not fit in the user stroke information display area 50, the aggregation processing unit 24 enables the vertical scroll bar 52, and the user stroke information display area is operated by the operator's mouse operation. 50 is scrolled so that thumbnails can be displayed in multiple times.

  According to the modified example 4 described above, thumbnails can be displayed in parallel with the user list displayed in the user selection list 69A by displaying the thumbnails arranged in the vertical direction and displayed in the user list. Thumbnails can be displayed in the same order as the order of students. This makes it easy to determine the correspondence between the student and the thumbnail.

(Modification 5)
Modification 5 relates to another example of the comparison list display (see FIG. 14). In the modified example 5, in the comparison list display, strokes of all the students are not displayed in a list, but the strokes are displayed in the divided area of the user stroke information display area 50 by the number of the areas. Specifically, in Modification 5, the aggregation processing unit 24 of the aggregation device 2 causes the operator to select a mode (such as two division or four division) for dividing the user stroke information display area 50 and is selected by the operator. The user stroke information display area 50 is divided in such a manner that a stroke is displayed for each divided area.

  FIG. 22 shows an example of a drawing application window according to the fifth modification. It should be noted that functions and processes not specifically described here are the same as those in the above-described embodiments (particularly, see FIGS. 13 and 14).

  As shown in FIG. 22, in the fifth modification, the aggregation processing unit 24 sets the division setting for setting the mode for dividing the user stroke information display area 50 when the comparison list display button 54 is selected by the operator. Buttons 88A to 88D (88) are displayed on the user control list 68. The division setting button 88A is a button for performing setting so as not to divide the user stroke information display area 50, and the division setting button 88B performs setting for dividing the user stroke information display area 50 into two (that is, left and right directions). The division setting button 88C is a button for setting the user stroke information display area 50 to be divided into two in the vertical direction (that is, the vertical direction), and the division setting button 88D is the user stroke information display area 50. Is a button for performing a setting to divide the screen into four parts vertically and horizontally (that is, vertically and horizontally).

  In the example shown in FIG. 22, it is assumed that the operator selects the division setting button 88B. In this case, the aggregation processing unit 24 divides the user stroke information display area 50 into two in the left-right direction, and displays a stroke for each divided area. Specifically, the aggregation processing unit 24 displays thumbnails 206 </ b> C and 206 </ b> D in which strokes are displayed at the same scale in the left area and the right area of the user stroke information display area 50, respectively. Further, the aggregation processing unit 24 displays feed buttons 206X and 206Y for sequentially switching the strokes to be displayed in each of the left area and the right area. When the feed button 206X is selected by the operator, the aggregation processing unit 24 sequentially switches the strokes to be displayed in the left area of the user stroke information display area 50, and the feed button 206Y is selected by the operator. In this case, the strokes to be displayed in the area on the right side of the user stroke information display area 50 are sequentially switched. For example, the aggregation processing unit 24 switches the strokes to be displayed in the order of the list numbers.

  According to Modification 5 described above, the display mode of the comparison list display can be flexibly changed based on the operation of the operator.

(Modification 6)
In the above-described embodiment, an example in which the user list displayed in the user selection list 69 is sorted in the list number order (specifically, the ID order shown in FIG. 9) and the selected user display and the comparison list display are performed according to the list number order. Although shown, it is not limited to this. In another example, the user list displayed in the user selection list 69 may be sorted in the order from the earliest answer time instead of the list number order, and the selected user display and the comparison list display can be performed in the order from the earliest answer time. In this example, the aggregation processing means 24 of the aggregation device 2 obtains the order in which the answer times are earlier based on the time information included in the last entry information received from the electronic pen 1 used by each student. In yet another example, the user list displayed in the user selection list 69 is sorted in the descending order of the number of strokes instead of the order of the list number or the order of the answer time, and the selected user display and comparison list are sorted in the descending order of the number of strokes. Display can be made. In this example, the aggregation processing unit 24 obtains the order in which the number of strokes is large by counting the number of strokes with the electronic pen 1 used by each student.

(Modification 7)
In the above-described embodiment, a case where one student enters an answer with the electronic pen 1 on one answer sheet 5 is illustrated, but one student uses the electronic pen 1 on a plurality of answer sheets 5 Even when the answer is entered, the same selection user display and comparison list display as in the embodiment (including the above-described modification) can be performed. In this case, the strokes entered on a plurality of answer sheets 5 may be displayed side by side over a plurality of pages. In one example, the aggregation processing unit 24 of the aggregation device 2 displays pages so that a plurality of pages overlap. In another example, the aggregation processing unit 24 displays pages side by side or vertically so that a plurality of pages do not overlap.

(Modification 8)
In the above description, the stroke color and the line width are shown as an example of the “display mode” in the present invention. In another example, instead of using both the color and the line width, only one of the color and the line width can be used as the “display mode”. In yet another example, a stroke line type (eg, a solid line, a broken line, a one-dot chain line, etc.) may be used as a “display mode” instead of or in addition to the color and / or line width. it can.

(Modification 9)
In the above-described embodiment, the Anoto method is used for the electronic pen, the dot pattern (coded pattern), and the entry information, but the use of the Anoto method is not limited.

DESCRIPTION OF SYMBOLS 1 (1A-1E) ... Electronic pen 2 ... Aggregation device 3 ... Transfer device 4 ... Projector 5 (5A-5E) ... Answer sheet 6 ... Screen 7 ... Color palette paper 10 ... Electronic pen system 20 ... Range designation means 21 ... Input Means 22: Aggregate individual reception means 23 ... Aggregation transfer reception means 24 ... Aggregation processing means 25 ... Storage means 26 ... Display means 27 ... Transmission means

Claims (20)

An electronic pen that reads the coded pattern printed on the paper and generates entry information according to the coded pattern;
An entry form on which a coded pattern readable by the electronic pen is printed and a writer enters handwritten strokes with the electronic pen;
A coding sheet that is readable by the electronic pen is printed, and a selection sheet for selecting a display mode when an writer displays a handwritten stroke written on the filling sheet;
A terminal device that receives the entry information from the electronic pen and performs processing according to the entry information,
The terminal device
An electronic pen system comprising: display control means for displaying the display mode selected by the writer based on entry information corresponding to entry on the selection sheet by the electronic pen.   2. The electronic pen system according to claim 1, wherein the display control unit displays a list of the display modes selected by a plurality of writers in association with the plurality of writers.   The display control means displays the first image corresponding to the handwriting stroke entered by the operator selected by the operator, and the handwriting entered by another operator who has not been selected by the operator. 3. The electronic pen system according to claim 1, wherein the second image corresponding to the stroke is displayed as a list in a size smaller than the first image. 4.   When the second image is selected by the operator, the display control means displays the second image by reducing the first image that has already been displayed, and the second image selected by the operator. The electronic pen system according to claim 3, wherein the electronic pen system displays the first image by enlarging the image. The display control means includes
When an operation for moving the second image to an area where the first image is displayed is performed by an operator, the second image is enlarged and displayed as a first image.
4. When the operation for moving the first image to an area where the second image is displayed is performed by an operator, the first image is reduced and displayed as a second image. Or the electronic pen system of 4. The display control means includes
With respect to a plurality of categories in which the contents of the handwritten strokes entered by a plurality of writers are classified, a selection button for selecting one of the plurality of categories is displayed.
When any of the plurality of categories is selected by the selection button, only the handwritten strokes classified into the selected category among the handwritten strokes entered by the plurality of writers are displayed. The electronic pen system according to claim 1, wherein the electronic pen system is characterized in that: The display control means includes
Displaying a selection button for selecting an aspect for dividing the area for displaying the handwritten stroke;
When the aspect which divides | segments the said area by the said selection button is selected, the said handwritten stroke is displayed on each area which divided | segmented the said area according to the said aspect. Electronic pen system as described in.   8. The display control unit according to claim 1, wherein the display control unit displays the display mode and the handwritten strokes in the order in which the handwritten strokes have been completed by a plurality of writers. An electronic pen system according to claim 1.   The said display control means displays the said handwriting stroke while displaying the said display aspect in order with many stroke numbers of the said handwriting stroke in a several writer, The one of the Claims 1 thru | or 7 characterized by the above-mentioned. Electronic pen system as described in.   The electronic pen system according to any one of claims 1 to 9, wherein the display mode is a color and / or line width of the handwritten stroke. An electronic pen that reads the coded pattern printed on the paper and generates entry information according to the coded pattern;
An entry form on which a coded pattern readable by the electronic pen is printed and a writer enters handwritten strokes with the electronic pen;
A coding sheet that is readable by the electronic pen is printed, and a selection sheet for selecting a display mode when an writer displays a handwritten stroke written on the filling sheet;
In an electronic pen system comprising a terminal device that receives the entry information from the electronic pen and performs processing according to the entry information, a program executed by the terminal device,
A program for causing the terminal device to function as display control means for displaying the display mode selected by the writer based on entry information corresponding to entry on the selection sheet by the electronic pen.   12. The program according to claim 11, wherein the display control means displays a list of the display modes selected by a plurality of writers in association with the plurality of writers.   The display control means displays the first image corresponding to the handwriting stroke entered by the operator selected by the operator, and the handwriting entered by another operator who has not been selected by the operator. The program according to claim 11 or 12, wherein the second image corresponding to the stroke is displayed in a list with a smaller size than the first image.   When the second image is selected by the operator, the display control means displays the second image by reducing the first image that has already been displayed, and the second image selected by the operator. The program according to claim 13, wherein the program is displayed as a first image by enlarging the image. The display control means includes
When an operation for moving the second image to an area where the first image is displayed is performed by an operator, the second image is enlarged and displayed as a first image.
14. When an operation for moving the first image to an area where the second image is displayed is performed by an operator, the first image is reduced and displayed as a second image. Or the program of 14. The display control means includes
With respect to a plurality of categories in which the contents of the handwritten strokes entered by a plurality of writers are classified, a selection button for selecting one of the plurality of categories is displayed.
When any of the plurality of categories is selected by the selection button, only the handwritten strokes classified into the selected category among the handwritten strokes entered by the plurality of writers are displayed. The program according to any one of claims 11 to 15, characterized in that: The display control means includes
Displaying a selection button for selecting an aspect for dividing the area for displaying the handwritten stroke;
When the aspect which divides | segments the said area by the said selection button is selected, the said handwritten stroke is displayed on each area which divided | segmented the said area according to the said aspect. The program described in.   The display control means displays the display mode and the handwritten strokes in the order in which the handwritten strokes have been completed by a plurality of writers in an early order. A program according to any one of the above.   The display control means displays the display mode and the handwritten strokes in order of increasing number of strokes of the handwritten strokes among a plurality of writers. The program described in.   The program according to any one of claims 11 to 19, wherein the display mode is a color and / or a line width of the handwritten stroke.