JP2002331796A - Electronic whiteboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic whiteboard wherein a marker pen of any color can be fitted in the same pen holder, and the color information of the fitted marker pen can be accurately transmitted from the pen holder. SOLUTION: This electronic whiteboard has the pen holder 1 and a plurality of receiving sensors. In this case, a marker pen 2d for whiteboard is fitted in the pen holder 1, and an infrared ray and an ultrasonic wave including the color information of the marker pen for whiteboard are transmitted by the pen holder 1. The plurality of receiving sensors measure a distance to the pen holder by an arrival time interval until the infrared ray and the ultrasonic wave transmitted from the pen holder are received. In such an electronic whiteboard for the marker pens for whiteboard, silver band-shape printings 3 and 4 having patterns which are different depending on colors are applied on the body sections. Then, for the pen holder, photo-interactor sensors 7 and 8 are provided at locations corresponding with the silver band-shape printings when the marker pen for whiteboard is fitted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a whiteboard marker pen using a surface input type acoustic coordinate input technology using sound waves (hereinafter referred to as "digitizing technology"). The present invention relates to an electronic blackboard for sending drawn information to a personal computer (hereinafter, referred to as “PC”).

[0002]

2. Description of the Related Art In recent years, digitizers for picking up coordinates by pointing a design drawing pasted on a whiteboard with a dedicated pen and inputting the design drawing to a PC have been frequently used. The dedicated pen has a function of transmitting ultrasonic waves and infrared light, and sends ultrasonic waves and infrared light from the dedicated pen to the receiving sensors arranged at both ends in the width direction at the upper end of the whiteboard, so that it is displayed on the whiteboard. Is transferred to the PC and converted into data.

FIG. 3 shows an electronic blackboard using a general digitizing technique and a P which receives data from the electronic blackboard.
FIG. 1 is a schematic configuration diagram illustrating an electronic blackboard system including C.

In FIG. 3, 101 is a white board,
102a to 102d are pen holders on which black, red, blue, and green whiteboard marker pens are mounted, 103 is a reception sensor that receives infrared light and ultrasonic waves, and 104 is a PC to which data is transferred from the reception sensor 103. It is.

In the electronic blackboard shown in FIG. 3, four pen holders 102a, 102b, 102c, 102d
Black, red, blue, green marker pens for whiteboards are respectively attached and have a function of transmitting infrared light and ultrasonic waves. From the pen holder 102a to be used, at the both ends in the width direction of the upper end of the whiteboard 101. The infrared light and the ultrasonic wave are transmitted to the arranged receiving sensor 103. The two receiving sensors 103 calculate the distance from the pen holder 102a to the receiving sensor 103 based on the arrival time difference between the infrared light and the ultrasonic wave, and transfer the data to the PC 104. PC104
Calculates the position of the pen holder 102a on the whiteboard 101 by triangulation, and displays the position information of the pen holder 102a on the display of the PC 104.

In the electronic blackboard having such a configuration, the position information of the pen holder 102a is instantly displayed on the display of the PC 104, and the drawing information on the white board 101 can be transferred to the PC.

FIGS. 4A and 4B are schematic diagrams of a pen holder used for an electronic blackboard using a conventional digitizing technique.

In FIG. 4, reference numerals 1a and 1b denote pen holders on which black and red whiteboard marker pens 2a and 2b are mounted, 5 an ultrasonic transmitter, and 6 an infrared light transmitter.

As shown in FIG. 4, the pen holders 1a, 1a
b, a marker pen 2a for whiteboard 2a, 2b can be attached, and an ultrasonic transmitter 5 and an infrared light transmitter for transmitting infrared light containing color information of the marker pens 2a, 2b for whiteboard. 6 is provided.

According to the configuration shown in FIG. 4, when drawing in black is desired, a black whiteboard marker pen 2a is attached to a pen holder 1a for transmitting infrared light containing black color information, and drawing is performed. Ultrasonic waves and infrared light containing black color information are transmitted from 1a. If you want to draw in red, use the red whiteboard marker pen 2b as a pen holder 1b that emits infrared light containing red color information.
, And drawing, an ultrasonic wave and infrared light containing red color information are transmitted from the pen holder 1b.

[0011]

However, in the above-mentioned conventional electronic blackboard, a pen holder as shown in FIG. 4 is used, and four white, black, red, blue and green marker pens are used. In such a case, a pen holder corresponding to each color is required, so that there are four pen holders, and there is a problem that handling is complicated.
This is because the color information is fixed and set in an arbitrary pen holder in advance. Further, since a plurality of pen holders are required in accordance with the color to be used, there is a problem that the cost becomes extremely high. Furthermore, if the user mistakenly attaches a whiteboard marker pen with a color different from the pen holder's unique color, the PC
In addition, there is a problem that color information different from the marker pen color is transferred, and if one pen holder fails, the color specific to the failed pen holder cannot be used, and another color will be used instead. Had the problem that

In this electronic blackboard, a single pen holder can be used even when a plurality of whiteboard marker pens such as black, red, blue and green are used.
It is required that color information different from the marker pen color can be prevented from being transferred.

According to the present invention, in order to satisfy this requirement, any color whiteboard marker pen can be mounted on the same pen holder, and the color information of the mounted whiteboard marker pen is accurately transmitted from the pen holder. The purpose is to provide an electronic blackboard that can do it.

[0014]

In order to solve this problem, an electronic blackboard according to the present invention is provided with a marker pen for whiteboard, and an infrared light and an ultrasonic wave containing color information of the marker pen for whiteboard. And the infrared light and the ultrasonic wave transmitted from the pen holder are received,
In an electronic blackboard having a plurality of reception sensors that measure the distance to the pen holder from the difference in arrival time between the received infrared light and the ultrasonic wave, the whiteboard marker pen has a silver band-like print of a different pattern depending on the color. The pen holder is provided on the body, and the pen holder has a configuration in which a photointeractor sensor is provided at a position corresponding to silver band printing when the whiteboard marker pen is mounted.

[0015] With this, an electronic blackboard can be mounted in the same pen holder with any whiteboard marker pen of any color, and can accurately transmit the color information of the mounted whiteboard marker pen from the pen holder. can get.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An electronic blackboard according to a first aspect of the present invention is provided with a whiteboard marker pen and emits infrared light and ultrasonic waves containing color information of the whiteboard marker pen. In the electronic blackboard having a pen holder and a plurality of reception sensors that receive the infrared light and the ultrasonic wave transmitted from the pen holder and measure the distance to the pen holder from the arrival time difference between the received infrared light and the ultrasonic wave,
The whiteboard marker pens are printed on the body with silver bands of different patterns depending on the color, and the pen holder is located at the position corresponding to the silver band printing when the whiteboard marker pens are attached. A sensor is to be provided.

With this configuration, even if a whiteboard marker pen of any color is mounted on the same pen holder, the color of the whiteboard marker pen is automatically detected by the photointeractor sensor at the time of mounting, Since infrared light and ultrasonic waves containing the detected color information can be transmitted, a single pen holder can be used for multiple color whiteboard marker pens, and cost reduction by reducing pen holders. In addition, when two pen holders are prepared, even if one pen is broken, all the colors can be obtained with another pen holder. Has the effect that it can be used.

In the electronic blackboard according to the present invention, a marker pen for whiteboard is mounted, a pen holder for transmitting infrared light and ultrasonic waves including color information of the marker pen for whiteboard, and a pen holder for transmitting from the pen holder. In the electronic blackboard having a plurality of receiving sensors for receiving the infrared light and the ultrasonic wave and measuring the distance to the pen holder from the arrival time difference between the received infrared light and the ultrasonic wave, the whiteboard marker pen is colored. According to the above, a band-shaped magnetic tape having a different pattern is applied to the body, and the pen holder is provided with a magnetic sensor at a position corresponding to the band-shaped magnetic tape when the whiteboard marker pen is mounted.

With this configuration, even if a whiteboard marker pen of any color is mounted on the same pen holder, the color of the whiteboard marker pen is automatically detected by the magnetic sensor when the whiteboard marker pen is mounted, and the detection is performed. It has the effect that infrared light and ultrasonic waves containing the color information can be transmitted.

An embodiment of the present invention will be described below with reference to FIGS.

(Embodiment 1) FIGS. 1 (a), 1 (b),
FIG. 2C is a configuration diagram showing black, red, and blue whiteboard marker pens used for the electronic blackboard according to Embodiment 1 of the present invention, and FIG. 2 is a pen holder equipped with a green whiteboard marker pen. FIG. The configuration of an electronic blackboard system including an electronic whiteboard (whiteboard) and a PC is the same as that shown in FIG. That is, in FIG. 3, the pen holder is not four,
It becomes one.

1 and 2, reference numeral 1 denotes a pen holder to which a plurality of whiteboard marker pens can be mounted.
a, 2b, 2c, and 2d are black, red, blue, and green marker pens for whiteboard markers; 3, 4 are silver band-shaped prints applied to the marker pens for each whiteboard; Are infrared light transmitters for transmitting infrared light containing color information of the whiteboard marker pens 2a to 2d, and 7 and 8 are photointeractors arranged at positions corresponding to silver band prints 3 and 4, respectively. Sensor.

As shown in FIGS. 1 and 2, black, red, blue and green whiteboard marker pens 2a, 2b, 2c, 2
In each of d, different patterns of silver bands are printed on the body of the marker pen. The pen holder 1 is provided with photointeractor sensors 7 and 8 at positions corresponding to silver band-shaped prints 3 and 4 of the marker pens when the whiteboard marker pens 2a, 2b, 2c and 2d are mounted.

Table 1 shows the silver band-shaped prints 3 and 4 of the whiteboard marker pens of each color and the photointeractor sensors 7 and 8 provided on the pen holder 1.
Are shown together.

[0025]

[Table 1]

For example, in the case of the black whiteboard marker pen 2a, since the silver band-shaped prints 3 and 4 are not applied, when the pen is attached to the pen holder 1, the photointeractor sensors 7 and 8 do not detect either. . Next, in the case of the red whiteboard marker pen 2b, only the silver band print 4 behind the marker pen is applied, and the silver band print 3 in front of the marker pen is not applied.
When mounted on the pen holder 1, the photointeractor sensor 8 senses, and the photointeractor sensor 7 does not sense. Thus, the response of the photointeractor sensor differs depending on the color of the whiteboard marker pen. The color information contained in the infrared light is switched inside the pen holder 1 by the reaction.

In this embodiment having such a configuration, the color of the whiteboard marker pen can be automatically recognized only by mounting the whiteboard marker pen on the pen holder 1. Therefore, for example, the drawing information is written in black on the PC1.
04 (see Fig. 3), pen holder 1
Simply by attaching the black whiteboard marker pen 2a to the drawing, the pen holder 1 transmits ultrasonic waves and infrared light including black color information, and the black drawing information is transferred to the PC 104. When the user wants to take the drawing information into the PC 104 in red, the user only needs to attach the red whiteboard marker pen 2b to the same pen holder 1 and draw.
Ultrasonic waves and infrared light containing red color information are transmitted from the pen holder 1, and the red drawing information is transferred to the PC 104.

In the present embodiment, the method of using the silver band-shaped prints 3 and 4 and the photointeractor sensors 7 and 8 as the color identification detection means of the whiteboard marker pen has been described. As the color identification detection means of the marker pen for, for example, a band-shaped magnetic tape of a different pattern according to the color is applied to the body of the marker pen for whiteboard, at a position corresponding to the magnetic tape applied to the body The color identification of the whiteboard marker pen may be detected by providing the provided magnetic sensor in the pen holder 1. In addition, although the identification method of four colors has been described, it is possible to cope with the identification of four or more colors by increasing the number of silver band printing and photointeractor sensors.

As described above, according to this embodiment, the whiteboard marker pens 2a to 2d are provided with silver belt-shaped prints 3 and 4 having different patterns depending on the colors on the body.
The pen holder 1 is a marker pen 2a for whiteboard.
Since the photointeractor sensors 7 and 8 are provided at positions corresponding to the silver band prints 3 and 4 when the 2d is mounted, the whiteboard marker pens 2a to 2d of any color are provided in the same pen holder 1. Even when the camera is mounted, the colors of the whiteboard marker pens 2a to 2d are automatically detected by the photointeractor sensors 7 and 8 at the time of mounting, and infrared light and ultrasonic waves including the detected color information are detected. Can be transmitted, so that a single pen holder 1 is provided for the marker pens 2a to 2d for whiteboards of a plurality of colors.
Thus, the cost can be reduced by reducing the number of pen holders, and erroneous operation due to erroneous mounting by the user can be prevented. In addition, if two pen holders 1 are prepared, even if one of the pen holders 1 fails, the other one can use all colors.

Also, a marker pen 2a for whiteboard
In 2 to 2d, a band-shaped magnetic tape of a different pattern is applied to the body according to the color, and the pen holder 1 is provided with a magnetic sensor at a position corresponding to the band-shaped magnetic tape when the whiteboard marker pens 2a to 2d are mounted. By having been
Regardless of which color the whiteboard marker pens 2a to 2d are mounted on the same pen holder 1, the color of the whiteboard marker pens 2a to 2d is automatically detected by the magnetic sensor at the time of mounting, and the detection is performed. It is possible to emit infrared light and ultrasonic waves containing the color information.

[0031]

As described above, according to the electronic blackboard according to the first aspect of the present invention, the marker pen for whiteboard is mounted, and the infrared light including the color information of the marker pen for whiteboard and the ultra-violet light are used. A pen holder that transmits sound waves,
An electronic blackboard having a plurality of reception sensors that receive infrared light and ultrasonic waves transmitted from a pen holder and measure a distance to the pen holder from a difference in arrival time between the received infrared light and ultrasonic waves, and for a whiteboard. The marker pen has a silver band print with a different pattern depending on the color on the body, and the pen holder has a photointeractor sensor at the position corresponding to the silver band print when the whiteboard marker pen is attached. As a result, even if a whiteboard marker pen of any color is mounted on the same pen holder, the color of the whiteboard marker pen is automatically detected by the photointeractor sensor at the time of mounting, and the detection is performed. It can emit infrared light and ultrasonic waves containing the color information, so it can be used as a marker pen for whiteboards of multiple colors. Can be accommodated by a single pen holder for the advantageous effect that it is possible to prevent an erroneous operation by the user of the erroneous mounting can be obtained it is possible to achieve a cost reduction by penholder reduced. In addition, if two pen holders are prepared, an advantageous effect is obtained in that even if one pen holder breaks down, all the colors can be used by another pen holder.

According to the electronic blackboard of the present invention, a pen holder for mounting a whiteboard marker pen and transmitting infrared light and ultrasonic waves containing color information of the whiteboard marker pen, and a pen holder In an electronic blackboard having a plurality of receiving sensors for receiving transmitted infrared light and ultrasonic waves and measuring a distance to a pen holder from a difference in arrival time between the received infrared light and ultrasonic waves, a whiteboard marker pen By applying a band-shaped magnetic tape with a different pattern according to the color on the body, the pen holder is provided with a magnetic sensor at a position corresponding to the band-shaped magnetic tape when the whiteboard marker pen is mounted,
Regardless of the color of the whiteboard marker pen attached to the same pen holder, the color of the whiteboard marker pen is automatically detected by the magnetic sensor at the time of attachment, and the red color containing the detected color information is included. An advantageous effect that external light and ultrasonic waves can be transmitted is obtained.

[Brief description of the drawings]

FIG. 1 (a) is a configuration diagram showing a black whiteboard marker pen used for an electronic blackboard according to Embodiment 1 of the present invention. (B) Red white used for an electronic blackboard according to Embodiment 1 of the present invention. Configuration diagram showing a marker pen for a board (c) Configuration diagram showing a marker pen for a blue white board used for an electronic blackboard according to Embodiment 1 of the present invention

FIG. 2 is a cross-sectional view showing a pen holder equipped with a green whiteboard marker pen.

FIG. 3 is a schematic configuration diagram showing an electronic blackboard system including an electronic blackboard using a general digitizing technique and a PC for receiving data from the electronic blackboard.

FIG. 4A is a schematic configuration diagram of a pen holder used for an electronic blackboard using a conventional digitizing technology. FIG. 4B is a schematic configuration diagram of a pen holder used for an electronic blackboard using a conventional digitizing technology.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Pen holder 2a, 2b, 2c, 2d Marker pen for whiteboards 3, 4 Silver band printing 5 Ultrasonic transmission part 6 Infrared light transmission part 7, 8 Photointeractor sensor 101 Whiteboard 103 Reception sensor 104 PC

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G06F 3/033 370 H04N 1/00 H 5C062 H04N 1/00 G01S 11/00 DF term (Reference) 2C071 CA02 CA04 CB06 DB01 DC01 DC02 DC04 2F068 AA03 BB01 DD02 FF25 2F069 AA03 BB40 GG04 GG07 GG09 GG59 2F076 BD02 BD05 BD12 BD15 BE05 5B087 AA09 BC03 BC12 BC13 BC26 BC31 BC32 BC34 DD17 DG02 5C062 AA07 AB13 AB29

Claims (2)

[Claims] 1. A pen holder having a marker pen for whiteboard mounted thereon for transmitting infrared light and ultrasonic waves containing color information of the marker pen for whiteboard, and an infrared light and an ultrasonic light transmitted from the pen holder. Receiving sound waves and
In an electronic blackboard having a plurality of reception sensors that measure a distance to the pen holder from a difference in arrival time between the received infrared light and ultrasonic waves, the whiteboard marker pen has a silver band shape having a different pattern depending on a color. An electronic blackboard, wherein a photointeractor sensor is provided at a position corresponding to the silver band-shaped printing when the whiteboard marker pen is mounted on the pen holder. 2. A pen holder mounted with a whiteboard marker pen, for transmitting infrared light and ultrasonic waves containing color information of the whiteboard marker pen, and an infrared light and a supersonic light transmitted from the pen holder. Receiving sound waves and
In an electronic blackboard having a plurality of reception sensors for measuring a distance to the pen holder from a difference in arrival time between the received infrared light and the ultrasonic wave, the whiteboard marker pen has a band-shaped magnetic pattern having a different pattern depending on a color. An electronic blackboard, wherein a tape is applied to a body, and a magnetic sensor is provided in the pen holder at a position corresponding to the band-shaped magnetic tape when the whiteboard marker pen is mounted.