KR200295866Y1 - Combined Learning Aid using Position Location System and Barcode Reader - Google Patents

Abstract

The present invention relates to a comprehensive learning machine that combines a positional coordinate recognition system and a barcode reader that provides learners with various functions using a technology of recognizing coordinates on a two-dimensional plane and a barcode reading technology. Coordinate recognition function to check the position of the coordinates in the proximity contact method using the electronic pen and barcode recognition function printed on the learning card by using the optocoupler in one system and accept the input data according to the learner's operation. By outputting the learning contents by voice or sound, the learner can purchase the learner using the position coordinate recognition system or the learner using the barcode reader separately and can learn two functions with one learner. Not only does it increase efficiency, In addition, the cost savings are large.

In addition to the barcode reader device by the card feeding of the motor mounted on the main body, the barcode reading function is added to the inside of the electronic pen to increase the effectiveness of learning using the barcode, and includes the function of directly recording and playing the learner's voice. By attaching a separate keyboard with key for Korean character keyboard, it is possible to learn by keyboard, diversifying the function of the learner and combining positional coordinate recognition system and barcode reader to increase learner's learning desire and learning effect. It is a learning period.

Description

Combined Learning Aid using Position Location System and Barcode Reader}

The present invention relates to a comprehensive learning machine combining a position coordinate recognition system and a barcode reader, and integrates the functions of the learner, which has been used separately in the related art, into a single system. As a representative learner using a planar coordinate recognition system on a tablet, which is conventionally used, a product of Japan's Sega Co., Ltd. is commercialized, and a product such as a leaf pad of US Leaf Frog is commercialized. In particular, in the latter case, US patent 5,877,458 is used as a source technology, and it is evaluated to have many conveniences in manufacturing cost or production process.

In addition, a bar code learning machine has been commercialized in various forms for a long time, such as a method of pushing a card through a slot by mounting a bar code reader on a main body, or using a hand scanner or a pointer.

In order to utilize the advantages of the learner using the position coordinate recognition system and the benefits of the learner using the barcode reading technology, the present invention incorporates these two technical matters into one system and implements them in one learner body. Its purpose is to provide an advantage that the system is inexpensive in terms of manufacturing cost and simplifies the production process than configuring the system separately.

In addition, by adding a hand scanning function in the body of the electronic pen, which is a proximity touch sensor, not only barcode reading by card feeding using a motor but also hand scanning by hand can be used to increase the effectiveness of learning using a barcode. There is another purpose.

In addition to the position coordinate recognition system and barcode reading function, it is equipped with a recording / playback function to enable learners to record their voices and play them while learning, and to attach a keyboard equipped with a keyboard separately. Therefore, another purpose is to enable a variety of learning methods by allowing learners to learn while typing in the keyboard on the keyboard.

As such, the comprehensive learning machine combining the position coordinate recognition system and the barcode reader of the present invention for achieving the above object uses a part of the surface coordinate recognition method of the US Patent 5,877,458 as a source technology, and a barcode printed on the learning card. In constructing a learner that implements the function of reading and outputting the data, it uses a digital signal processor (DSP) that integrates and controls various functions of the entire system and plays the role of compression, playback, memory read / write, etc. In order to implement the positioning function, an AC oscillation circuit and a tablet connected thereto, an electronic pen composed of a coaxial cable, a demodulation unit for demodulating and converting an AC signal, and a control unit (MCU) for controlling the same, using a motor Card feeding structure, motor drive circuit, optocoupler with light emitting part and light receiving part for barcode reading It characterized in that the box is formed.

And, to achieve the above object, a comprehensive learning unit combining the position coordinate recognition system and the barcode reader of the present invention has a voice input unit through a microphone so that a learner can record and play his or her voice while learning. It consists of a separate dedicated integrated circuit (IC) capable of writing and reproducing voice compressed data into RAM, or directly recording / reproducing voice, and using a separate keyboard for learners. It is characterized by having a keyboard input and output port to enable learning while inputting a character.

1 is a functional block diagram according to a preferred embodiment of the present invention

2 is a schematic perspective view of a comprehensive learning machine combining a position coordinate recognition system and a barcode reader

Figure 3 is a structural diagram showing the appearance and internal components of the electronic pen of the integrated learner combined position coordinate recognition system and barcode reader

4 is a keyboard for keyboard to be used from the outside of the combined learning system combining the position coordinate recognition system and the barcode reader

5 is a card feeding structure using a motor of a barcode reading device

6 is a schematic diagram showing hand scanning using a learning card and an electronic pen printed with a barcode.

7 is a flowchart illustrating a process of outputting and processing a variety of inputs and learning contents according to an embodiment of the present invention by voice.

* Explanation of symbols for main parts of the drawings

100: System Controller (DSP Controller)

101: Position coordinate recognition system control unit (MCU)

102: signal generator section

103: AC signal generating circuit

104: amplifier with phase inversion output port

105, 106: semiconductor switch

110, 201: tablet coated with a conductive material

111, 112, 113: Points of contact on the tablet (measurement points)

114: demodulator with analog / digital conversion function

115: coaxial cable

120: electronic pen

121, 126: Optocoupler

122, 127: barcode reader power switch

123: internal barcode reader

124: Card Feeding Motor

125: motor drive circuit

128: Finger Grip

130: coaxial cable extension conductor protrusion

135 port extension

136: ROM Memory

137: RAM memory

138: card feeding pulley

139, 139-1: Card Feeding Roller

140: stand-alone recording / playback integrated circuit

141: analog / digital conversion circuit

142: microphone

143: Amplifier

144: Speaker

150: keyboard

151: Keyboard Controller

153: connector for keyboard

154: Jack for keyboard

155: character key

200: General Learning Machine

202: slot for barcode learning card

210: Study Book

211: selection position of the book side

212: barcode printed on the book

221: recording key

222: key for playback

223: power switch

230: learning card

231: Barcode

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing a comprehensive learner combining a position coordinate recognition system and a barcode reader according to a preferred embodiment of the present invention, Figure 2 is a schematic perspective view and a side view of a comprehensive learner combining a position coordinate recognition system and a barcode reader. .

As shown in FIG. 1, there is a system controller (100, DSP controller) that performs the control operation of the entire system, and is uniformly coated with a conductive material so that the tablet 110 is used to correspond to the coordinate recognition two-dimensional plane. , The AC signal generating unit 102, the coaxial cable 115 connected to the electronic pen 120, which generates an AC signal and switches it according to the necessary procedures for the contacts 111, 112, and 113 on the tablet. The position coordinate recognition system is composed of a demodulation unit 114 for receiving an AC signal from the demodulation unit 114 and converting it into a digital signal, a position coordinate recognition system control unit 101 (MCU) for performing a coordinate recognition procedure, and an internal barcode reader unit 123. ), The card feeding motor 124 for feeding the learning card to the slot 202 of FIG. 2, the motor drive circuit 125 for driving the learning card, the optocoupler 126 for reading the barcode, and the power supply thereof are short-circuited.Laundry consists includes a further power switch 127.

In addition, the system controller 100 is connected to the ROM 136 including voice data such as programs and learning contents, and a RAM 137 that temporarily stores operation data or digital data of a recorded voice, together with the input / output port expansion unit 135. The audio output includes an amplifier 143 and a speaker 144 for voice reproduction, and includes an input / output port and a keyboard controller 151 for communication with an external keyboard 150.

The system controller 100 uses an ordinary digital signal processor (DSP Controller) to input the input signal from the position coordinate recognition system controller 101 and the input from the barcode reader unit 123, 122, the keyboard controller 151, or the like. In response to the program function stored in the ROM 136, a signal is used to perform a control operation of the entire system that outputs a predetermined learning content as a voice. A detailed process thereof is illustrated in FIG.

The comprehensive learning machine that combines the position coordinate recognition system and the barcode reader of the present invention used part of the surface coordinate recognition method of US Patent 5,877,458 as the source technology of the position coordinate recognition system. This is because it is economical and has many conveniences in the manufacturing process.

Usually, three contact points 111, 112, and 113 are installed on an electrode detector 110 coated with a conductive material, usually called a tablet, and a voltage is applied to the tablet. The potential levels attenuated in proportion are distributed. If voltage is applied to only two contacts, a contour of potential level (this is called X value) is formed on the two-dimensional surface, and if voltage is applied to two other contacts, contour of another potential level (this is called Y value) By this formation, the potential level inclination is formed at all points on the entire two-dimensional plane. That is, every point on the two-dimensional plane has a different pair of X and Y values, respectively. Therefore, if you measure the value of X and Y at a point on the 2D plane, you can convert the value and check the position. US Pat. No. 5,877,458 also describes a method for a three-dimensional form including a plurality of tablets, where a two-dimensional form is applied. 2, the learning book 210 was placed on the main body 200, and the tablet 201 was mounted directly under the case. In addition, the integrated learning system that combines the position coordinate recognition system and barcode reader of the present invention places the book on the tablet and learns by touching the printed letters or pictures on the book with an electronic pen, so that the distance of the book's thickness can be recognized for the coordinate recognition. Also, a non-contact method that can be sensed was used, and for this, the applied voltage used an AC signal. The AC signal generating circuit 103 of the signal generator unit 102 generates an AC signal, amplifies the amplifier 104 with a phase inversion output port to a predetermined voltage level, and then the position coordinate recognition system controller 101 switches the semiconductor switch. Opening and closing the 105 and 106 according to the procedure, the AC signal is applied to the contacts 111, 112 and 113.

When the learner approaches the stylus (Stylus), which is usually called the electronic pen (120), within a certain distance on the learning book (210) within a certain distance, the AC signal of the nearest position of the tablet (110, 201) mounted below the antenna inside the electronic pen It is picked up by the inner conductor 130 of the coaxial cable 115 performing the role and enters the position coordinate recognition system control unit 101 via the demodulator 114. The demodulator 114 has a built-in demodulation circuit and an analog / digital conversion function so that the potential level is converted into a digital value when an AC signal is input. At this time, while the semiconductor switches 105 and 106 repeatedly open and close according to the procedure, a signal is applied to the selected two contact pairs, and the signal level is received from the electronic pen 120 to read the X and Y values. In conversion, the coordinates of the points indicated by the electronic pens on the tablets 110 and 201 are recognized. The outer conductor of the coaxial cable 115 is connected to the electrical ground point of the system, and minimizes the interference of unnecessary external signals by exposing only the end of the inner conductor 130 that performs the antenna role at the end thereof.

In this way, when the learner makes close contact with the learning contents such as a picture or a sentence on the learning book 210 placed on the learner main body 200 using the electronic pen 120, the corresponding information is output as a voice. In the case of a book, the page distinction selection position 211 is first selected for the page selection, and then the page is learned.

FIG. 5 illustrates a basic structure of a barcode reader that feeds a learning card printed with a barcode using a motor and reads a barcode. When the learning card 230 is inserted into the slot 202, the power of the optocoupler and the motor are short-circuited. When the micro-switched barcode reader power switch 127 is turned on and the card feeding motor 124 rotates in the direction of the arrow, the card feeding pulley 138 connected to the pitch rotates, thus the learning card 230 has two It is pushed in at a constant speed between the card feeding rollers (139, 139-1). In this case, the optocoupler 126 mounted at an appropriate height according to the position of the barcode printed on the learning card has a light emitting unit illuminating the barcode, and the light receiving unit detects the contrast of the barcode bar to generate a series of pulse trains as the learning card proceeds. The pulse train generated in this way is converted into a unique number by the system controller 100.

The integrated learning system that combines the position coordinate recognition system and the barcode reader of the present invention selects the location of the learning contents on the study book placed on the main body using the electronic pen in such a way that the learning function and the barcode printed learning card are selected. Coordinate recognition technology using a flat tablet and barcode reading device are integrated in one system to read and learn with a barcode reader.

As shown in FIG. 3, an optocoupler 121 having a light emitting part and a light receiving part, a circuit board module 129, and a power switch 122 are mounted inside the electronic pen 120 to which the coaxial cable 115 is mounted. By connecting to the system control unit 100 through the wire 131, the electronic barcode 120 is held by the hand in addition to the internal barcode reader unit 123 using the above-described motor to move the barcode in a predetermined direction so that hand scanning is possible. It was. At the inner end of the electronic pen 120, the end of the electronic pen 120 is formed to expose the light emitting part and the light receiving part of the optocoupler 121 to the outside, and the learner places the end of the optocoupler 121 exposed on the barcode. When scanning, the pulse train is detected according to the intensity of the bar of the bar code, and this signal is received by the system controller 100 and converted into a unique number. In this case, the speed may vary depending on the learner, but the program of the system control unit 100 is written so that the reading is accurate even within a certain error range. The barcode reader power switch 122 mounted on the side of the electronic pen 120 was turned on and used only with a finger to read the barcode so as to avoid unnecessary power consumption. As the feeding method using the motor, only a learning card for a bar code manufactured to a certain standard should be used. Thus, the hand scanning using the electronic pen 120 is possible, and the bar code is not only on a learning card of a certain standard but also on a general learning book 210. By printing the 212 and hand-scanning to output the corresponding learning information, the utilization of the learning using the barcode can be increased.

For reference, the part of the finger grip 128 shown in FIG. 3 is made of a conductive material, and is connected to the outer conductor of the coaxial cable 115 which is grounded inside the electronic pen 120. ) When the hand is held by hand, the learner's hand is grounded to minimize the electric noise that can be induced through the body, thereby reducing the error of the coordinate confirmation of the position coordinate recognition system.

In addition, the system control unit 100 has a separate input and output port that can receive the input of the keyboard, as shown in Figure 4 is equipped with the English alphabet, the Korean keyboard, or the key 155 of the required function A separate keyboard 150 can be connected to the keyboard controller 150 inside the main body 200 through the keyboard connector 153, so that the input signal through the keyboard of the learner's keyboard 150 is controlled by the system controller. By processing at (100) was to perform the learning function using the keyboard.

In addition, as a function of recording and playing the learner's voice, when the recording key 221 of FIG. 2 is pressed, the voice is input through the microphone 140 and the analog / digital conversion process 141 is performed. The compressed voice data stored in the RAM 137 through the compression process is outputted to the speaker 144 through the amplifier 143 when the key 222 for reproduction is pressed. Here, the recording / playback function may be configured separately from the system control unit 100 by using the flash ROM type independent recording / playback integrated circuit 140 that is frequently used.

Various inputs of the integrated learning machine combining the position coordinate recognition system and the barcode reader of the present invention, which can be learned in various ways by integrating various functions as described above, will be described with reference to FIG. 7.

When the power is first turned on, the system initializes all states and outputs the first greeting message (step 302). The system program routine then starts and checks whether there is a barcode input (step 304). When there is no bar code input, the tablet input (step 305), the keyboard input (step 306), the recording key input (step 311), and the playback key input are checked (step 313).

When the barcode input (step 304) is input through the optocoupler, a series of pulse trains are read and converted into a unique number (step 307), and the corresponding address is found in the memory where the data is stored (step 310) and output as a voice. (Step 314). In addition, when the tablet input (step 305) is input through the electronic pen, the coordinates are extracted (step 308), and the corresponding address is found in the memory where the data is stored (step 310). Similarly, the keyboard input 306 undergoes a conversion operation (step 309) of the input code, finds the corresponding address in the memory where the data is stored (step 310), and outputs it as a voice. When the recording key input (step 311) is input, the recording procedure is performed (step 312), and when the playback key input (step 313) is input, the recorded contents are output as voice. The system controller 100 continuously checks when the various input signals manipulated by the learner enter and performs the corresponding procedure when the input signals are received. In this case, the priority is set between the input signals so that the program does not have a conflict in the performance of the procedure. do.

As described above, according to the integrated learning machine combining the position coordinate recognition system and the barcode reader of the present invention, when the learner wants to use the learner having different functions by integrating the coordinate recognition technology and the barcode reading technology into one system, This eliminates the inconvenience of having to purchase another learner, and has the effect of increasing the learning effect of the learner by being implemented in one learner.

The built-in coaxial cable, which acts as a positioning antenna, and an optocoupler for barcode readers can be installed inside a single electronic pen to print handsets by printing barcodes 212 on general learning books as well as bar codes. By doing so, it is possible to increase the utilization of the learning using the barcode.

In addition, the integrated learning system that combines the position coordinate recognition system and the barcode reader of the present invention has a recording / playback function so that the learner can directly record and listen to the voice to enhance the learning effect, and attach a keyboard separately. By enabling the learner to learn by the keyboard on the keyboard, a more efficient and comprehensive learning effect can be obtained.

In this way, the conventional learner is composed of mostly adopting one technology, so if you want to learn by using it, you have to purchase it separately. It is effective to enable learning in a more economical and diverse way with one learner by integrating it into one system.

Claims (4)

In the comprehensive learning device which combines the position coordinate recognition system using the coordinate recognition technology and the barcode reading technology to output the learning contents by voice according to the learner's operation, The comprehensive learning device; A system control unit for receiving a variety of operation inputs from a learner and performing a whole system control operation; Applying an AC signal to several contacts set on a two-dimensional plane on the tablet, measuring the value of the attenuated AC signal at that point by approaching the tip of the electronic pen to a location on the tablet, and measuring two or more values A position coordinate recognition system that recognizes the coordinates in terms of It is a comprehensive learning device that reads the barcode printed on the learning card and integrates the barcode reader that recognizes the unique number of the card into one system, and outputs the learning contents corresponding to the recognized coordinates and the unique number by voice. The system control unit is connected to a ROM and RAM memory for storing a series of programs and learning contents for performing a control operation, and a port expansion unit for expanding an input / output port. The position coordinate recognition system includes an AC signal generator, a signal generator portion consisting of an amplifier having a phase inversion output port and a semiconductor switch, a tablet coated with a conductive material, an electronic pen equipped with a coaxial cable, and a signal received therefrom, and demodulating and It consists of a demodulation unit that converts and a position coordinate recognition system control unit that performs the coordinate recognition procedure, The barcode reader may include an opto-coupler having a light emitting unit and a light receiving unit, a motor for card feeding, a pulley connected to the motor, a card feeding roller, a power switch for barcode reader, and the like. Comprehensive learner combined barcode reader. The method of claim 1, The barcode reader has an optocoupler having a light emitting part and a light receiving part and a coaxial cable, which is an antenna for position coordinate recognition, to perform two functions such as positioning function and barcode hand scanning function by close contact with one electronic pen. Comprehensive learning machine that combines the position coordinate recognition system and the bar code reader, characterized in that included inside. The method of claim 1, Equipped with a microphone capable of recording voice and an analog / digital converter, and when recording voice, digitally encoded data is stored in a RAM connected to the system controller, or an independent recording / reproducing integrated circuit using a flash ROM is used. Comprehensive learning machine that combines the position coordinate recognition system and the barcode reader, characterized in that it comprises an amplifier and a speaker to record the learner's voice, and to reproduce it. The method of claim 1, The system control unit has an input / output port for receiving a key input signal according to a learner's operation from a separate keyboard, and connects a separate keyboard having an English or Korean character keyboard to process a signal input therefrom. Comprehensive learning machine that combines the position coordinate recognition system and bar code reader, characterized in that the output of the learning content by voice