KR101885787B1 - Using mercury sensor electronic dice and operating method of same - Google Patents

Abstract

The present invention relates to an electronic dice using a mercury tilting sensor and an operating method thereof. According to an embodiment of the present invention, an electronic dice using a mercury tilting sensor comprises: a support capable of absorbing external vibration and shock which can occur during an operation of rolling a dice; an external appearance surface for covering the support and protecting an external design of the dice and electronic devices contained inside the dice; a mercury tilting sensor; a Bluetooth transmission/reception means; a universal serial bus (USB) (microB-type android mobile phone charging) port; a lithium ion battery; a printed circuit board (PCB); and a Bluetooth speaker. Accuracy according to a use of an electronic dice can be improved by utilizing a mercury tilting sensor in which a reaction speed is instantaneous.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a mercury tilt sensor,

The present invention relates to an electronic dice using a mercury tilt sensor and a method of operating the same.

Conventionally, when playing a game using a dice, the user first throws a die. The user then visually confirms the number of dots or points on the top of the thrown dice as a dice value and applies the dice value to the game or play.

In recent years, computers have been providing random selection of these physical dice functions. However, since the computer-based dice game has a limited effect of throwing dice, there was a demand for a technique to combine the actual physical form of dice throwing and the software game played in the computer.

In order to meet such a demand, an electronic dice has been proposed in which an electronic device is built in a physical dice to throw a die, and then the dice value is transferred to an external electronic device such as a computer.

For example, in Korean Patent Laid-Open No. 10-2006-0000802, "Automatic Determination Method of Number of Dice and Number of Dice" and a publication of an external device control section controlled by the die, there are disclosed an infrared sensor in a cube- An electronic die having a light emitting device and a circuit portion is described. According to the related art, when the electronic dice are thrown on a certain floor surface, the electronic circuit portion inside the electronic dice automatically finds the number of dots or points on the top of the dice by finding the face of the die closest to the bottom surface , And wirelessly transmits the identified signal to the outside. However, the related art has a problem in that the infrared sensor is required to be installed on each surface of the cube, the power consumption is large, and the infrared sensor malfunctions due to environmental conditions.

Accordingly, there is a technical need in the art to detect a constant value regardless of external environmental conditions while reducing the power consumption of the sensor and the circuit part embedded in the electronic dice. As an example of a sensor that can be adapted to such a demand, there is known an inertial sensor for detecting an inertial force by an acceleration acting on a moving object, or an acceleration sensor for detecting a change in velocity per unit time. Recently, MEMS (Micro Electro Mechanical System) technology has been applied to miniaturization and low power consumption of these sensors, and it is developed as a multi - axis sensor and has optimal conditions applicable to electronic dice.

However, such an inertia or acceleration sensor has a very good detection sensitivity. For example, when an object is held by a user with a hand, a movement such as a slight motion is detected, and thus, a malfunction occurs. An example of a technique for solving such a problem with a software correction method in a circuit is disclosed in Korean Patent No. 10-0940095 entitled " pointer movement value calculation device, pointer movement value correction method, and attitude angle variation correction method, &Quot; is registered in the registration bulletin.

According to this, the detection value of the sensor for detecting the inclination of the pointer is corrected according to the specific algorithm executed by the processor, so that it is possible to prevent the error from accumulating due to unnecessary detection values such as minute hand jiggling.

 However, it is difficult to apply the above technique to the electronic dice as it is difficult to apply to the case of throwing a hand-held dice, since a conventional technique for correcting a minute hand motion of a hand holding a pointer is difficult, Do.

Therefore, as a result of intensive researches in the prior art, it has been found that, in the electronic dice in which the movement of the dice is detected, the die value is determined based on the detected value, and the determined die value is transmitted to the external device, We could develop a new algorithm that can determine the dice value suitable for the movement of the electronic dice constructed using the acceleration sensor.

However, even in such a method, there is a problem that an acceleration sensor or a gyro sensor is used, because the reaction speed is slow or the error is accumulated and an inaccurate value is measured.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a dice which operates using a mercury tilt sensor (Arduino sensor) which is immediate and which is easy in principle.

In addition, the mercury tilt sensor is basically used as a training kit using a mercury tilt sensor. Another purpose of the mercury tilt sensor is to transmit and control information about numbers generated on the electronic dice.

According to an aspect of the present invention, there is provided an electronic dice using a mercury tilt sensor, comprising: a support capable of absorbing external vibrations and shocks that may occur during a rolling operation of a die; A mercury tilt sensor disposed at an angle of 45 degrees with respect to an apex of a die between the outer surface and the support to protect the outer design of the dice and the electronic elements contained therein, To the outside; One of the six outer surfaces includes a USB (Universal Serial Bus) port for charging a battery, and a Lithium Ion Battery ); A PCB (Printed Circuit Board) substrate for controlling the operation of the electronic die; And a Bluetooth speaker for outputting binary data measured by the mercury tilt sensor as data voice; An electrode connection terminal electrically connected to a lower portion of the vertex surface when the mercury tilt sensor is disposed on a vertex surface formed on the upper side of the vertexes of the electronic dice; And a mercury tilt sensor of the four vertexes constituting the upper surface of the die calculates four binary signals. When the Bluetooth connection is normally performed, the ConnectThread class is generated, and the Bluetooth transmitting / receiving means and the Android The device can transmit Pulse Code Modulation (PCM) data that comes in via a socket communication.

In one embodiment of the present invention, the six external planes are formed with oblique faces at four edges, the oblique faces are one line with respect to the eight vertexes of the electronic die, and the vertex planes are parallel When the die is rolled, the mercury tilt sensor is turned ON for the surface constituting the upper side, and the mercury tilt sensor is turned OFF for the four vertex surfaces disposed at the lower side, For example, the mercury tilt sensor disposed at the first to fourth vertexes disposed at the lower side and the signal 1 for the mercury tilt sensor disposed at the first to fourth vertexes disposed at the upper side may be in the OFF state.

A method of operating an electronic dice using a mercury tilt sensor according to an embodiment of the present invention includes connecting a Bluetooth transmitting and receiving means embedded in an electronic die using a mercury tilt sensor and transmitting a software serial library ), Stores data received through the Bluetooth communication in a buffer, and uploads a source code including an if / else statement according to the stored data, thereby preparing a state capable of transmitting and receiving data from the electronic die 100 (S120) of pairing the Bluetooth transmitting / receiving means mounted on the electronic die 100 with a portable terminal capable of short range wireless communication, and a Bluetooth transmitting / receiving means of the electronic dice using the mercury tilt sensor The HeadSetServiceClass UUID is used to create a socket, and a Bluetooth connection (s130) ; And a ConnectThread class so that the Bluetooth transmitting / receiving unit of the electronic dice 100 and the Android device transmit the PCM data that are received through the socket communication (S140).

In the embodiment of the present invention, the data transmitted to the Bluetooth transmitting / receiving means includes eight binary data of 0 or 1 measured through a mercury tilt sensor mounted on eight vertexes of the electronic dice, It can be a number up to the number 1-6.

According to an embodiment of the present invention having the above-described structure, the accuracy of the reaction using the electronic dice can be improved by utilizing an instantaneous mercury tilt sensor, and it can be utilized in the development of educational programs and game programs.

Further, according to the method of operating the electronic dice using the mercury tilt sensor according to the present invention, the mercury tilt sensor is disposed on the vertex surface at a stable position, the operation state is connected through the Bluetooth to produce its own effect sound, And can be applied to a die having a multi-sided surface such as an octahedron or a dodecahedron other than a hexahedron.

1 is an exploded perspective view of an electronic dice using a mercury tilt sensor according to an embodiment of the present invention.
2 is a perspective view showing a PCB substrate 40 constituting an electronic die using a mercury tilt sensor according to an embodiment of the present invention.
3 is a view showing a mercury tilt sensor of an electronic die using a mercury tilt sensor according to an embodiment of the present invention.
4 is a developed view of an electronic die using a mercury tilt sensor according to an embodiment of the present invention.
5 is a perspective view showing an appearance of an electronic dice using a mercury tilt sensor according to an embodiment of the present invention.
6 is a block diagram schematically illustrating an operation method of an electronic dice using a mercury tilt sensor according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it is not necessarily the case that it is "directly connected", but also includes the case where it is "indirectly connected" do. Also, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

Hereinafter, characteristics of an electronic dice using a mercury tilt sensor according to a preferred embodiment of the present invention will be discussed with reference to the accompanying drawings.

The core of the electronic dice 100 using the mercury tilt sensor 200 is a Bluetooth, a speaker 50, and a S / W technology for recognizing data. Currently, the speaker 50 using Bluetooth is not competitive because it is produced worldwide. In this situation, products with analog and digital can be competitive with new educational products. In response to these demands, it is time to move beyond the existing Bluetooth market to a new paradigm as an educational system for the development of infants' five senses.

The electronic dice 100 using the mercury tilt sensor 200 may include a support table 10 capable of absorbing external vibrations and shocks that may occur during the operation of rolling the die 100; An outer surface (20) covering the outer surface of the die (100) and protecting the electronic elements contained in the die while covering the support (10); A mercury tilt sensor 200 disposed at an angle of 45 degrees to the vertex of the dice 100 between the outer surface 20 and the support 10; A Bluetooth transmitting / receiving means for transmitting a signal from the mercury tilt sensor 200 to the outside; and a USB (Universal Serial Bus, MicroB type A lithium ion battery 30 which is equipped with a port 25 for charging an electronic cell 100 and is capable of supplying power to the electronic die 100, And a Bluetooth speaker 50 for outputting binary data measured by the mercury tilt sensor 200 as a data voice in order to align the center of gravity of the dice 100 And the mercury tilt sensor 200 is arranged in the center, and when the mercury tilt sensor 200 is disposed at an edge formed on the upper side of the vertices of the electronic die 100, the mercury tilt sensor 200 is electrically connected to the lower side line of the vertex by gravity, The mercury tilt sensor 200 of the four vertices constituting the upper side of the die calculates four binary signals, and when the Bluetooth connection is normally performed, the ConnectThread class is generated, and the bluetooth The transmitting and receiving means and the Android device may be capable of transmitting PCM (Pulse Code Modulation) data through a socket communication.

The electronic dice according to an embodiment of the present invention may include a memory unit and transmitting and receiving means. The memory unit (not shown) stores data sensed by the mercury tilt sensor 200 and may store software commands necessary for the controller to operate.

The transmitting and receiving means is a communication capable of communicating with an external device by a short distance wireless communication using a wired or Bluetooth, a wireless universal serial bus (USB), a zigbee, an IrDA (Infrared Data Association), a Nordic or a SimliciTi Lt; / RTI > For example, a communication protocol such as BT / Nordic / SimliciTi may be used as the communication protocol used in the wireless communication of the transmission / reception unit. It should be noted that the short-range wireless communication apparatus and / or communication protocol that can be used in the present invention are not limited to the above-described ones, and those skilled in the art will appreciate that various short-range wireless communication apparatuses and / It will be obvious that it can be applied

2 is a perspective view showing a PCB substrate 40 constituting an electronic die using a mercury tilt sensor according to an embodiment of the present invention.

Referring to FIG. 2, the PCB substrate 40 may have a four-layer structure. The main circuit in the PCB board 40 is indicated by a green line. In addition to such a main circuit, each layer for driving a smooth circuit such as a USB port 25, a Bluetooth speaker 50, A circuit can be constructed.

In FIG. 2, the speaker terminal 50 may be for outputting data received through the Bluetooth and the mobile device to the speaker 50.

On the PCB substrate 40, a rechargeable secondary battery such as a battery 30, for example, a lithium ion battery, may be disposed. The USB port 25 can be charged by the MicroB method. It is known that the above-mentioned MicroB charging is widely used for an Android product used in a lithium ion battery.

It is known that the lithium ion battery 30 used in the present invention has the following charging algorithm. Namely, trickle charge (first stage), constant current charging (second stage), constant voltage charging (third stage), and charge termination (fourth stage). Current charging is used to restore charge to a considerably consumed cell. When the cell voltage is less than 3V, the cell is charged with a constant current of 0.1 C at maximum (Step 1).

When the cell voltage rises above the current charging threshold, the charging current rises to perform constant current charging. Constant current charging can be performed in the range of 0.2C to 1.0C. Constant current is not necessarily accurate and half-current is allowed. In linear charging, in many cases, the current increases with cell voltage rise to minimize the heat dissipation of the pass transistor.

When charging a current exceeding 1C, it is preferable not to shorten the overall charging period and to avoid the current. When charged with a high current, the voltage rises faster due to the overvoltage of the electrode reaction and the voltage increase in the cell internal resistance. Although the time required for the constant current step is shortened, the time required for the constant voltage step increases proportionally, so that the overall charge period is not shortened (step 2).

When the cell voltage reaches 4.2 V, constant current charging is completed and constant voltage charging is performed. To ensure maximum performance, the voltage regulation tolerance is better than + 1% (Step 3).

Unlike nickel-based batteries, trickle-charged magnetic fluxes may not be desirable in lithium-ion batteries. If the trickle charge is continued, the lithium metal plating phenomenon is caused to cause the battery state to become unstable, resulting in sudden automatic disassembly (step 4).

Through the above process, the charging process of the lithium ion battery, i.e., the secondary battery, used in the present invention can be performed.

3 is a view showing a mercury tilt sensor of an electronic die using a mercury tilt sensor according to an embodiment of the present invention.

Referring to FIG. 3, the mercury tilt sensor 200 may include a case (not numbered), mercury 210 embedded in the case, and an electrode connection terminal 220.

As shown in FIG. 3, the mercury tilt sensor 200 can be embedded in a case in which electrically conductive mercury can flow, and the mercury tilt sensor 200 is connected to the built- The conductive state (ON) and the open state (OFF) are determined depending on the arrangement state of the electrode connection terminal 220. [

However, as described above, the mercury tilt sensor 200 is disposed at the vertex of the electronic die 100 according to an embodiment of the present invention. Therefore, the mercury tilt sensor 200 is disposed at an angle of 45 degrees with respect to each outer surface 20 of the electronic die 100, and the vertex surface on which the mercury tilt sensor 200 is disposed And an angle of 45 degrees with respect to the outer surface 20 is obtained.

As shown in FIG. 3, the mercury tilt sensor 200 is placed inside the vertex surface since the corner portion is in the form of a rounded cylinder.

The vertex surface is disposed at an edge of the outer surface 20 of the electronic die 100 so as to enhance the strength of the surface by reinforcing a state where the outer surface 20 is coupled to the support table 10 Can be performed. That is, when the electronic die 100 is a cube having an angled corner, a corner portion may be broken. However, when the electronic die 100 is manufactured with a vertex surface (i.e., a beveled surface) as in the present invention, . ≪ / RTI >

4 is a developed view of an electronic die using a mercury tilt sensor according to an embodiment of the present invention.

Referring to FIG. 4, the electronic die 100 may have a total of six surfaces. As shown in FIG. 4, the total number of the six outer surfaces 20 may be a number corresponding to the number of dice for each outer surface 20.

The arrangement of the numbers may be arbitrarily configured, but for convenience of description, the corresponding outer surface 20 (the corresponding outer surface refers to the outer surface located on the opposite side with respect to any one of the surfaces, 4, which is an exploded view in which the electronic dice are arranged, the numbers arranged on the opposite sides are referred to as " As can be understood, the sum of the numbers can be arranged to be 7. In other words, 6 is arranged on the outer surface 20 corresponding to 1, 5 is arranged on the outer surface 20 corresponding to 2, 4 can be arranged on the corresponding outer surface 20.

As described above, the electronic die 100 is provided with six external face surfaces 20 with respect to the external face, and vertex faces 21, 22, 23, 24, 26, 27, 28, 29 , The strength of the outer surface 20 can be improved. As described above, in the case where the outer surface 20 is square, there are four surfaces in contact with the supporter 10, but the outer surface 20 may be an oblique surface (the oblique surfaces 21, 22, 23, 24, 26, 27, 28, 29), the number of abutting surfaces is eight, which is advantageous in terms of the strength of the product.

A USB port 25 may be disposed on a surface of the battery pack 30 where the battery 30 can be charged. The USB port 25 may be equipped with a USB micro b type (for charging an Android mobile phone).

The battery 30, the PCB substrate 40 and the speaker 50 may be disposed in the center of the electronic die 100 to align the center of gravity of the electronic die 100.

Here, a method of transmitting numerals read from the dice 100 using the vertexes 21, 22, 23, 24, 26, 27, 28, 29 of the electronic dice 100 will be discussed.

 The vertex surfaces 21, 22, 23 and 24 of the die may refer to the vertex surfaces 21, 22, 23 and 24 appearing on the upper surface when the number 1 is rolled on the die 100. Of course, the vertex surfaces 21, 22, 23, 24, 26, 27, 28, 29 may be changed from the upper vertex surface to the lower vertex surface according to the rotation of the die.

The first vertex surface 21 and the seventh vertex surface 28 may correspond to each other. If the first vertex surface 21 is in the ON state, the seventh vertex surface 28 must be the OFF state. In the case of the electronic dice 100 using the mercury tilt sensor according to the embodiment of the present invention, the numbers represented by the electronic dice 100 can be known as signals for four vertexes. In the permutation combination, it is ₄ C ₂ = 6.

A method of operating the electronic dice using the mercury tilt sensor according to an embodiment of the present invention is as follows.

In the electronic dice using the mercury tilt sensor according to the embodiment of the present invention, the six outer surfaces 20 are formed with four oblique sides 20A, and the oblique surfaces 20A are formed in the electronic die 22, 23, 24, 26, 27, 28, 29) of the eight vertexes (21, 22, 23, 24, 26, 29, a mercury tilt sensor may be disposed in parallel.

When the die 100 is rolled, the die 100 may stop and the mercury tilt sensor 200 may be turned on for the upper surface. That is, the mercury 210 disposed in the mercury tilt sensor 200 may be electrically connected to the electrode connection terminal 220. Then, the mercury tilt sensor 200 can be turned OFF with respect to the four vertexes disposed on the lower side.

5 is a perspective view showing an appearance of an electronic dice using a mercury tilt sensor according to an embodiment of the present invention.

For example, as shown in FIG. 5, a signal 1 for the mercury tilt sensor 200 disposed on the first to fourth vertexes 21, 22, 23, 24 disposed on the upper side, The mercury tilt sensor 200 disposed on the fifth to eighth vertex surfaces 26, 27, 28, 29 may be in the OFF state. When a signal for the mercury tilt sensor 200 disposed on the eight vertexes 21, 22, 23, 24, 26, 27, 28, 29 is acquired in this manner, the signal is configured to be interlocked via Bluetooth communication To a portable terminal that is connected to the network.

The four mercury tilt sensors 200 are in the ON state and the four mercury tilt sensors 200 are in the OFF state in the case of the electronic die 100 using the mercury tilt sensor 2000 according to the embodiment of the present invention, That is, the vertex surface on the upper side of the vertex surface becomes the ON state, and the vertex surface on the lower side becomes the OFF state.

Of course, at this time, the signal transmission can be performed for eight signals.

For example, when the number of dice is 1, as shown in FIG. 5, the mercury tilt sensor 200 disposed on the first to fourth vertexes 21, 22, 23, 24 is turned ON, The binary signals for the vertexes 1 to 8 can be of the form (1, 1, 1, 1, 0, 0, 0, 0). It is to be understood that the present invention is not limited to the above-described exemplary embodiments, but the present invention is not limited thereto.

In the late 1990s and 2000s when the Internet grew explosively, the word virtual reality was often used. Molecular and Physical Structure As the services and information that were operated on the internet are ported to the Internet, the importance of bit-based information network becomes bigger.

But the information of the time of virtual reality was still limited to space. It was still in the desktop-pc era because it was a network that could only be accessed in the office or home space provided with the classic wired network.

In the early 2000s, people also had mobile phones in their pockets and some early adopters actively used PDAs (Personal Display Assistants). The current smartphone was divided into two devices in those days.

In recent years, the term Internet of Things is often used. In other words, the Internet of things is another name for ubiquitous and can be understood as pieces that seem viable.

Though the Internet is inherited from the legacy of mobile, the Internet has penetrated people's everyday lives, gathering information, and creating new services. In keeping with these trends, embedded devices have become smaller, have lower power consumption, and have a smartphone as a hub for connecting to the Internet.

The information network may appear to be ready to infiltrate the constraint of the palm of the handset.

In the case of the electronic dice 100 using the mercury tilt sensor 200 according to an embodiment of the present invention, a method of linking an analog (electronic dice) and a digital (application) to provide a new education paradigm for infants Respectively. It is expected that it will make a great contribution to the improvement of the five senses by touching, listening, and feeling the product.

6 is a block diagram schematically illustrating an operation method of an electronic dice using a mercury tilt sensor according to an embodiment of the present invention.

Referring to FIG. 6, the mercury tilt sensor 200 outputs data quickly as described above, and outputs audio through the Bluetooth speaker 50 from the electrically-connected PCB substrate 40, Data can be transmitted in PCM (Pulse Code Modulation) by a terminal (represented by a smart phone in the present invention) application.

The application receives the data value and performs the S / W function to output the data value through a display such as a LCD monitor. It may be configured to work with a server (not shown).

That is, the server can provide education contents and free classical sound sources in a streaming form. Various educational contents can be added as a database (DB) function by adding them from the user's viewpoint.

Bluetooth is a standard for sending and receiving data over a 2.4 GHz radio link. Bluetooth is a security protocol that allows devices to be connected wirelessly over short distances, low power, and low cost.

In recent years, many devices are connected wirelessly, and the proportion of Bluetooth is gradually increasing. Bluetooth can be applied to many fields such as a headset, a video game controller, a keyboard, an MP3 player, and an electronic dice.

Especially, it is possible to wirelessly replace serial communication interfaces, which are wired communication, as a communication protocol for exchanging relatively small data in a short distance of 100m or less.

Such Bluetooth operates in the RF (Radio Frequency) band, which is the same frequency band as Zigbee, WiFi and the like. To this end, Bluetooth has been standardized to operate separately from other protocols.

A Bluetooth network called piconets uses a master / slave module. In this model, one device can be connected to multiple (up to seven) slave devices. A slave device connected to a piconet can be connected to only one device. The master device coordinates communication through the piconet and can be connected to the master device. The master device can send data to any slave device connected via a piconet and can send a request for data. The slave device can exchange data with the master device, but can not communicate with the slave device.

Such Bluetooth devices can be retrieved from the portable terminal and displayed in the form of individual names on the screen of the mobile phone.

The Bluetooth connection process is as follows. In other words, if there is an inquiry, the process of searching for each other is performed in a state in which two of them do not coincide with each other. When a portable terminal sends a request, the other device responds to the request with an address, name and other information.

The process of connecting two devices in this way is called paging.

There is a restriction that each device must know each other's address before the two devices are connected through the paging process. When this paging state is reached, each device can change its mode. This includes Active mode (two devices can transmit and receive data).

Sniff mode is a power saving mode that is used to check if there is a transmission or reception at an interval (for example, 100ms) set to sleep (inactive state).) Hold mode (temporary power saving mode, Mode, and then return to the active mode, where the master device can instruct the slave device to enter this mode: Park Mode (stop mode, deeper sleep mode, And a mode for notifying the user to enter the stop mode when there is a certain time).

Bluetooth is a protocol for transmitting and receiving data through a wireless link, and can be bonded and paired through an inquiry and a paging process. Once the two devices have been paired, once the specific data (address, name, profile) has been exchanged, the pairing process will proceed automatically when maintaining close distances.

As described above, after exchanging specific data after the two devices are connected, a bonding state can be created. Bonded devices can be connected automatically when they are close to each other. In the case of the electronic dice 100 using the mercury tilt sensor 200 according to an embodiment of the present invention, they can be automatically connected and transmit / receive data when they are nearby (approximately 5 m or so).

The above Bluetooth profile refers to a protocol added to the basic Bluetooth standard to clearly define what kind of data a Bluetooth device sends. The Bluetooth specification describes how Bluetooth works and defines how the Bluetooth profile is used.

Such a Bluetooth profile may be used for each device (e.g., a headset, a wired communication module (e.g., a serial communication interface such as RS-232, or UART), a HFP_Hands Free Profile, A profile (Audio Distribution Profile) can be used, and the Bluetooth profile is a representative profile used in Bluetooth.

Bluetooth is not a suitable protocol for all situations where wireless networks are applied. Instead, it is a useful protocol for creating near-field, wireless piconet networks. And provides a convenient connection process over other protocols.

 Connects the Bluetooth transmitting / receiving means contained in the electronic die 100 using the mercury tilt sensor 200, invokes a software serial library for Bluetooth communication, and stores the received data in the Bluetooth communication in a buffer And if the source code including the if / else statement is uploaded according to the stored data, the data can be transmitted / received from the electronic die 100 (s110).

In this way, the Bluetooth transmitting / receiving means mounted on the electronic dice 100 is paired with a portable terminal capable of short-range wireless communication (s120)

The pairing of the portable terminal and the Bluetooth transmitting / receiving means built in the electronic dice 100 means that the Bluetooth module (normally used as a Bluetooth module in the portable terminal is HC-05 / HC-06) in the device setting of the portable terminal And input the PIN number.

When 1234 or 0000 is input as the PIN number and confirmation is made, the pairing process of the Bluetooth transmitting / receiving means and the portable terminal is completed.

An Android phone, one of the handheld terminals, should be able to run an app that can send the above signals.

After starting the app built in the Android phone, when the Bluetooth button is clicked, it is checked whether the Bluetooth function of the Android device, which is a portable terminal, is inherent. Most Android devices have Bluetooth capabilities.

When the portable terminal is paired with the Bluetooth transmitting and receiving means as described above, the Bluetooth transmitting and receiving means of the electronic dice (10) using the current Android device and the mercury tilt sensor (200) The HeadSetServiceClass UUID is used to create a socket, and a Bluetooth connection is established (S130).

The HeasSetServiceClass UUID is one of a kind of class list used in the Bluetooth pairing API (Application Programming Interface).

When the Bluetooth connection is normally established, the ConnectThread class is generated, and the Bluetooth transmitting / receiving unit of the electronic dice 100 and the Android device can transmit the PCM data that is received through the socket communication (S140).

The ConnectThread class is a thread used to connect to Android Bluetooth devices.

The PCM data refers to data transmitted in such a manner that the sound is converted into a binary code with a precise time interval.

At this time, the Bluetooth skipper 50 can use a Bluetooth voice codec called OVC3860. The OVC3860 is a Bluetooth stereo audio module that can be used in a Bluetooth speaker 50.

When an external device (app + Android) is manufactured on the electronic dice and electrically connected to the electronic die 100, data on the event (die value obtained from the die die) generated on the electronic die 100 is transmitted to the portable terminal Lt; / RTI > The transmitted data can be viewed through the display of the portable terminal.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

10: support 20: outer surface
25: USB port 30: Battery
40: PCB 50: Speaker
100: electronic dice 200: mercury tilt sensor
210: mercury 220: electrode connection terminal

Claims (4)

A support for absorbing external vibrations and shocks that may occur during the operation of rolling the dice;
An outer surface that covers the support and protects the outer design of the dice and the electronic components contained within the die;
A mercury tilt sensor disposed on a vertex surface of the die between the outer surface and the support;
Bluetooth transmitting / receiving means for transmitting a signal from the mercury tilt sensor to the outside;
USB (Universal Serial Bus, MicroB type Android mobile phone charging) port that can charge the battery on either side of the six exterior surfaces;
A lithium ion battery capable of supplying power to the die;
A PCB (Printed Circuit Board) substrate capable of controlling the operation of the die; And
And a Bluetooth speaker for outputting binary data measured by the mercury tilt sensor as data voice,
The lithium ion battery, the PCB substrate, and the Bluetooth speaker are disposed in the center to match the center of gravity of the dice,
Wherein the mercury tilt sensor is electrically connected through an electrode connection terminal connected to a lower portion of the vertex surface by gravity when the mercury tilt sensor is disposed on a vertex surface formed on an upper surface of the die to output binary data of 1, When the mercury tilt sensor of the four vertexes constituting the upper side of the dice calculates four binary signals and the Bluetooth connection is normally performed, the ConnectThread class is created and the Bluetooth transmitting and receiving means and the Android device transmit the PCM Code Modulation) data,
The six outer surfaces are formed with an oblique surface at four edge portions,
Wherein the oblique surface is a line for eight vertexes of the die, a mercury tilt sensor is disposed parallel to the vertex surface,
Wherein when the die is rolled, the mercury tilt sensor is turned ON for the surface constituting the upper side, and the mercury tilt sensor is turned OFF for the four vertex surfaces disposed at the lower side. Electronic dice.

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