KR102130608B1 - System for signal transmission to prevent missing of user input signal - Google Patents

Abstract

In the present invention, in a classroom in which a class is in progress, a response to a quiz provided by a teacher through a terminal is received through a tag device possessed by students, and the terminal transmits an acknowledgment packet to a tag device that transmits a signal to tag It is possible to prevent the device user's input signal from being dropped without being received by the terminal. Further, according to a further embodiment of the present invention, when a signal is not received from the tag device, the participation rate may be increased by providing a notification.

Description

Signal transmission system for preventing user input signal reception leakage {SYSTEM FOR SIGNAL TRANSMISSION TO PREVENT MISSING OF USER INPUT SIGNAL}

The present invention relates to a signal transmission system for preventing leakage of user input signal reception, and more particularly, by using a Bluetooth-based tag device to transmit a signal to the terminal and the terminal to receive the identification information of the received tag device The present invention relates to a signal transmission system for preventing a user input signal reception missed by confirming signals of all tag devices registered in a terminal by transmitting a confirmation packet.

Conventionally, not only online lectures, but also offline education sites, schools not only provide education using books or teaching materials, but also conduct classes through online education contents and smart devices.

However, it can be said that it is ineffective to create new contents or purchase them on all platforms in order to promote smart education using smart devices. In addition, most teachers often collect and utilize personally organized content whenever they need it, and despite the excellent educational content, it is difficult to share or recycle due to the difficulty in registering content.

Therefore, support for the development of a smart education teaching/learning model, the development of a system for providing high quality educational contents, it is urgent to prepare a sharing system for high quality learning contents, and the necessity for establishing a cooperative system for students and teachers has emerged.

In addition, in the case of education through a smart device, it does not only provide unilateral information, but also conducts classes using content in the form of student participation, but further research is needed on how to increase the participation rate of students.

In addition, in class using a smart device, there is a problem in that it is only possible to check whether a signal received from each device is correctly received by a teacher.

The present invention is to solve the above-described problems of the prior art, according to an embodiment of the present invention, the terminal provides an acknowledgment packet including identification information of the tag device for the signal received from the tag device, all The purpose is to prevent the user signal reception from being omitted by repeatedly performing the signal for the tag device until it is confirmed.

According to a further embodiment of the present invention, the terminal is registered, but the signal is not received by sending a notification signal to the tag device, or by sending a receipt acknowledgment notification with the acknowledgment packet to the tag device for which the signal is received, The purpose is to enable the user to recognize whether a signal has been received.

As a technical means for achieving the above-described technical problem, according to an embodiment of the present invention, a signal transmission system for preventing a user input signal reception omission, includes at least one button, according to an input to the user's button At least one tag device for transmitting a signal; And a terminal that wirelessly receives the signal transmitted from the tag device and recognizes a value input by the user from the signal, wherein the terminal generates an acknowledgment packet and transmits it to the at least one tag device. The tag device may retransmit the signal to the terminal when the identification information of its tag device is not confirmed from the acknowledgment packet.

In the present invention, in a classroom in which a class is in progress, a response to a quiz provided by a teacher through a terminal is received through a tag device possessed by students, and the terminal transmits an acknowledgment packet to a tag device that transmits a signal to tag It is possible to prevent the device user's input signal from being dropped without being received by the terminal.

Further, according to a further embodiment of the present invention, when a signal is not received from the tag device, the participation rate may be increased by providing a notification.

1 is a structural diagram of a system for performing a signal transmission system for preventing a user input signal reception miss according to an embodiment of the present invention.
2 is a flowchart illustrating a signal transmission system for preventing a user input signal from being missed according to an embodiment of the present invention.
3 is a flowchart illustrating a tag device error checking method of a signal transmission system for preventing a user input signal reception miss according to a further embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily practice. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. In addition, in order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and like reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is "connected" to another part, this includes not only "directly connected" but also "electrically connected" with other elements in between. . Also, when a part “includes” a certain component, this means that other components may be further included, rather than excluding other components, unless otherwise specified.

In the present specification, the term “unit” includes a unit realized by hardware, a unit realized by software, and a unit realized by using both. Further, one unit may be realized by using two or more hardware, and two or more units may be realized by one hardware. Meanwhile,'~unit' is not limited to software or hardware, and'~unit' may be configured to be in an addressable storage medium or may be configured to reproduce one or more processors. Thus, as an example,'~ unit' refers to components such as software components, object-oriented software components, class components, and task components, processes, functions, attributes, and procedures. , Subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, database, data structures, tables, arrays and variables. The functions provided within components and'~units' may be combined into a smaller number of components and'~units', or further separated into additional components and'~units'. In addition, the components and'~ unit' may be implemented to play one or more CPUs in the device or secure multimedia card.

The "terminal" mentioned below may be embodied as a computer or portable terminal capable of accessing a server or other terminal through a network. Here, the computer, for example, a laptop with a web browser (WEB Browser), desktop (desktop), laptop (laptop), VR HMD (eg, HTC VIVE, Oculus Rift, GearVR, DayDream, PSVR, etc.) It may include. Here, VR HMD is for PC (e.g., HTC VIVE, Oculus Rift, FOVE, Deepon, etc.) and mobile (e.g. GearVR, DayDream, Storm Racing, Google Cardboard, etc.) and console (PSVR). Includes all Stand Alone models (eg Deepon, PICO, etc.) that are implemented independently. A portable terminal is, for example, a wireless communication device that guarantees portability and mobility, as well as a smart phone, a tablet PC, and a wearable device, as well as Bluetooth (BLE, Bluetooth Low Energy), NFC, RFID, and ultrasound (Ultrasonic). , Infrared, Wi-Fi (WiFi), LiFi (LiFi), and may include various devices equipped with a communication module. In addition, "network" refers to a connection structure capable of exchanging information between each node, such as terminals and servers, a local area network (LAN), a wide area network (WAN), and the Internet. (WWW: World Wide Web), wired and wireless data networks, telephone networks, and wired and wireless television networks. Examples of wireless data communication networks include 3G, 4G, 5G, 3rd Generation Partnership Project (3GPP), Long Term Evolution (LTE), World Interoperability for Microwave Access (WIMAX), Wi-Fi, Bluetooth communication, infrared communication, ultrasound Communication, Visible Light Communication (VLC), LiFi, and the like are included, but are not limited thereto.

Hereinafter, a signal transmission system according to an embodiment of the present invention will be described in detail with reference to FIG. 1 to prevent a user input signal from being missed.

According to an embodiment of the present invention, the signal transmission system 10 for preventing a user input signal reception miss includes at least one button, and at least one tag device for transmitting a signal according to an input to a user button ( 200) and the tag device 200 to receive a signal transmitted wirelessly, the terminal 100 to grasp the value input by the user from the signal may be provided.

The terminal 100 may have a built-in signal transmission program for preventing user input signal reception and leakage, or may be a computer device including a display device installed in a specific space, or a portable device such as a Universal Serial Bus (USB). It could be a device.

When the terminal 100 is a portable device including a memory such as USB, it may be provided including a display device, a wired/wireless network capable device, and a Bluetooth module.

That is, the terminal 100 has a USB form including a Bluetooth module capable of receiving the signal of the tag device 200, and the Bluetooth module can generate a receipt confirmation packet and transmit it to the tag device 200.

The tag device 200 may be a device including a button for at least one input, and may be a device capable of a wired/wireless network.

For example, a teacher may provide a quiz or question in the classroom, and students may input a signal through the tag device 200. At this time, the tag device 200 may transmit the signal input by the student to the terminal 100.

When the user input signal to the tag device 200 is transmitted to the terminal 100, the terminal 100 may generate an acknowledgment packet and transmit it to at least one tag device 200, and the tag device 200 may include a terminal ( If the identification information of the own tag device 200 is not confirmed from the reception confirmation packet received from 100), the signal may be retransmitted to the terminal.

The acknowledgment packet may include information regarding a separator corresponding to the identification information of the tag device 200, and the identifier of the acknowledgment packet containing the identification information of the tag device 200 in which the user input signal is received is '1'. May be denoted, and '0' may be denoted in the identifier of the acknowledgment packet containing the identification information of the tag device 200 in which the user input signal is not received.

At this time, the separator may be composed of bits included in the acknowledgment packet, and one bit may correspond to one tag device 200.

In other words, a bit having a length corresponding to the number of tag devices 200 registered in the terminal 100 is generated, and each tag device 200 is corresponding to the number of digits of the bit, so that it is possible to check whether or not it is received.

For example, the terminal 100 in which 10 tag devices 200 are registered has a bit of '0000000000', and when receiving a signal from the second registered tag device 200, it can be expressed as '0100000000'. In the case of receiving a signal from the second and third registered tag devices 200, it may be indicated as '0110000000'.

That is, when the terminal 100 receives a signal from the tag device 200, '1' is marked on the separator to be transmitted to the tag device, and when the signal is not received from the tag device 200, the terminal 100 transmits the signal to the tag device 200. '0' can be written in the delimiter to be transmitted.

The tag device 200 may retransmit a signal to the terminal 100 when '0' is indicated in the identifier of the acknowledgment packet received from the terminal 100.

At this time, the signal transmitted from the tag device 200 to the terminal 100 may include identification information of the tag device 200 and button information corresponding to an input of a user button of the tag device 200.

A plurality of tag devices 200 may be registered in the terminal 100.

When receiving signals from the plurality of tag devices 200, the terminal 100 may simultaneously provide the same acknowledgment packet to the plurality of tag devices 200.

The user input signal transmitted by the tag device 200 and the acknowledgment packet transmitted by the terminal 100 can be transmitted and received between the terminal 100 and the tag device 200, and transmitted and received in a Bluetooth environment. , It may be a signal and a packet within a preset capacity that can be transmitted in a Bluetooth environment.

For example, in the case of Bluetooth version 4.2, the Bluetooth packet capacity may transmit up to 251 bytes, and in the case of Bluetooth version 5.0, 2 Mbps packets may be transmitted.

According to an embodiment of the present invention, a signal transmission system for preventing a user input signal reception omission is utilized in a student class, the terminal 100 is a teacher terminal, and a signal received from the tag device 200 is displayed on the screen. Display to show the values entered by the student.

Hereinafter, an actual application of a signal transmission system for preventing a user input signal reception miss according to an embodiment of the present invention will be described in detail with reference to FIG. 2.

As described above, according to an embodiment of the present invention, a signal transmission system for preventing a user input signal reception omission may be utilized in a student class.

The teacher may generate and provide a quiz to students through the terminal 100 (S410).

When a quiz is provided, students can respond to the quiz through the tag device 200 owned by them, which is a user input signal, and the tag device 200 can generate an input signal corresponding to the user input. At this time, the input signal may include identification information for the tag device 200 (S420).

The tag device 200 may transmit the generated input signal to the terminal 100 exposing the quiz.

The terminal 100 receiving the signal including the identification information and the user input signal from the tag device 200 may generate an acknowledgment packet including the identification information of the tag device 200 (S430).

As a further embodiment of the present invention, if the user who has the tag device 200 is inexperienced or does not input a user input signal for a specific reason, an input signal is not generated, and the terminal 100 is a tag device 200 May not be able to receive the input signal.

At this time, the terminal 100 compares the identification information of the previously registered tag device 200 with the identification information of the tag device 200 in which the signal is received, detects the tag device 200 in which the input signal is not received, Alert notification can be provided to the corresponding tag device. The warning notification can be a vibration or acoustic notification.

That is, the terminal 100 may provide a notification to the tag device 200 that does not provide a signal within a preset time among the tag devices 200 previously registered in the terminal 100.

At this time, the reception confirmation packet generated from the terminal 100 analyzes a signal received from the tag device 200 and includes a user input signal to indicate a normal reception for the tag device 200 that has transmitted a normal response. ', and an acknowledgment packet corresponding to a signal not including a user input signal may be generated without including '1'.

After transmitting the signal, the tag device 200 is switched to a reception mode, and is in a state capable of receiving an acknowledgment packet from the terminal 100, and when receiving the acknowledgment packet, identification information in the acknowledgment packet The tag device 200 compares the identification information to determine whether or not a match is found, and if so, whether a '1' in the acknowledgment packet bit exists (S440).

If there is a '1' in the acknowledgment packet bit, it is determined that the signal is normally transmitted, and the tag device 200 may terminate the reception mode (S460).

At this time, as a further embodiment of the present invention, the tag device 200 may provide a notification that a signal is normally transmitted, and provide a notification that a signal is normally transmitted to a user who carries the tag device 200 through vibration. Can be.

Depending on the type of vibration, it may be provided as a notification that the normal signal transmission and the signal is not provided.

That is, when '1' is included in the delimiter in the acknowledgment packet received from the terminal 100, a confirmation notification that the signal is normally transmitted to the terminal 100 may be provided to the user.

If there is no '1' in the acknowledgment packet bit, the tag device 200 may retransmit a signal including identification information and a user input signal to the terminal 100.

When receiving the signal including the identification information and the user input signal from the tag device 200, the terminal 100 may generate an acknowledgment packet and transmit it to the tag device 200.

That is, if there is no '1' in the acknowledgment packet bit in step (S440), it is possible to return to step (S420) to generate an input signal and transmit it to the terminal 100, and when it is determined that the signal is normally transmitted Until it can be performed repeatedly.

If there are multiple tag devices 200 registered in the terminal 100, steps S410 to S450 may be repeatedly performed until signals of all tag devices registered in the terminal 100 are confirmed. have.

As a further embodiment of the present invention, if there is no '1' in the acknowledgment packet bit in step (S440), return to step (S420) to generate an input signal and transmit to the terminal 100, the terminal 100 May generate and transmit an acknowledgment packet only for the tag device 200 received through retransmission.

That is, an acknowledgment packet can be retransmitted only to the tag device 200 that retransmitted the signal among the plurality of tag devices 200 previously registered in the terminal 100.

By responding only to the retransmitted signal, it is possible to reduce the use of Bluetooth resources and enable smooth communication.

As a further embodiment of the present invention, a signal transmission system for preventing a user input signal reception omission may be able to detect an error with respect to the tag device 200.

As illustrated in FIG. 3, the teacher may generate a quiz through the terminal 100 and expose the quiz to tag devices 200 registered in the terminal 100 (S510 ).

Students with the tag device 200 may provide a user input signal for the quiz to the terminal 100 through the tag device 200, as shown in FIG. 2 according to an embodiment of the present invention. The answers to the quizzes can be performed in the same order.

At this time, step (S510) may be repeatedly performed by the teacher, check the tag device 200 that does not transmit a signal for the exposed quiz, and the tag device 200 that does not transmit a signal more than a preset number of times It can be grasped (S520).

Since the tag device 200 that does not transmit a signal more than a preset number of times may have a user input signal missing due to an error or communication failure, the terminal 100 may perform an error check, such as checking the communication state (S530). ).

For example, if there is a tag device 200 that does not transmit a signal more than a specific number of times (for example, 5 times) among one or more tag devices 200 in the terminal 100, the terminal 100 is applicable The tag device 200 may check whether the user has not input the input signal or whether the signal is missing due to an error or communication failure through the tag device 200.

That is, the terminal 100 may perform an error check on the tag device 200 that does not provide a signal more than a preset number of times among a plurality of tag devices 200 previously registered in the terminal 100.

One embodiment of the present invention may also be embodied in the form of a recording medium including instructions executable by a computer, such as program modules, being executed by a computer. Computer-readable media can be any available media that can be accessed by a computer and includes both volatile and non-volatile media, removable and non-removable media. In addition, computer-readable media may include any computer storage media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data.

Although the methods and systems of the present invention have been described in connection with specific embodiments, some or all of their components or operations may be implemented using a computer system having a general purpose hardware architecture.

The above description of the present invention is for illustration only, and a person having ordinary knowledge in the technical field to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and it should be interpreted that all changes or modified forms derived from the meaning and scope of the claims and equivalent concepts thereof are included in the scope of the present invention. do.

10: System
100: terminal 200: tag device

Claims (13)

In the signal transmission system for preventing user input signal reception and leakage,
At least one tag device including at least one button and transmitting a signal according to an input to a user button; And
Including the terminal; to receive the signal transmitted from the tag device wirelessly, to grasp the value input by the user from the signal;
The terminal,
USB (Universal Serial Bus) type that includes a Bluetooth module for receiving the signal,
Among the previously registered tag devices, an error check is performed on a tag device that does not provide a signal more than a preset number of times,
Generates a bit having a length corresponding to the number of registered tag devices, generates an acknowledgment packet for each tag device to correspond to, and transmits to the at least one tag device according to the number of digits of the bit, and the tag device When the identification information of its tag device is not confirmed from the reception confirmation packet, the signal is retransmitted to the terminal,
Of the at least one tag device, the acknowledgment packet is retransmitted only to the tag device that has retransmitted the signal,
The acknowledgment packet,
It includes information about the separator corresponding to the identification information of the tag device,
When the separator included in the acknowledgment packet received by the tag device includes information that the terminal has not received the signal, retransmits the signal to the terminal,
The signal and the acknowledgment packet,
Transmitting and receiving between the tag device and the terminal,
It is made in a Bluetooth environment, and is within a predetermined capacity (byte) that can be transmitted in the Bluetooth environment.
Signal transmission system.
delete delete According to claim 1,
The terminal,
When the signal is received from the tag device, '1' is written in the separator transmitted to the tag device,
When the signal is not received from the tag device, '0' is indicated in the separator transmitted to the tag device.
Signal transmission system.
delete According to claim 1,
The signal,
It includes identification information of the tag device and button information corresponding to the input to the button of the user of the tag device,
Signal transmission system.
According to claim 1,
When there are multiple tag devices,
The terminal is to provide the same acknowledgment packet to the plurality of tag devices at the same time,
Signal transmission system.
delete According to claim 1,
The system is used for student classes,
The terminal is a teacher terminal, and displays the signal received from the tag device on a screen to show the value entered by the student.
Signal transmission system.
delete According to claim 1,
The terminal,
Among the previously registered tag devices, a notification signal is transmitted to a tag device that does not provide the signal within a preset time.
Signal transmission system.
According to claim 1,
The tag device,
When '1' is included in the identifier in the acknowledgment packet received from the terminal,
To provide the user with a confirmation notification that the signal has been successfully transmitted to the terminal,
Signal transmission system. delete

Images