KR100552260B1 - Position following system with gps - Google Patents

Abstract

The present invention grasps the current position and the movement path of the lost or the elderly through GPS, and transmits and receives this data as an RF signal and displays it on the terminal screen of the guardian, thereby accurately grasping the position and the movement path in a wider range. In addition to preventing the loss of children, the elderly and women are in danger or emergency situation, simply to inform others of the situation immediately to the location tracking system using GPS that can cope with the danger. The present invention comprises a transmitter for receiving a GPS signal to determine the current position and converts the emergency button signal selected by the user with the position data into an RF signal, and a wired / wireless repeater for relaying the transmitted RF signal; Receiving the RF signal transmitted from the transmitter from the wire / wireless repeater, restoring it, grasping the transmitter's current position and moving path, processing this information into geographic information (GIS), and transmitting to each guardian terminal, A central server for transmitting an emergency alarm signal together with an emergency button signal; It is characterized by consisting of a plurality of guardian terminal to display the location of the transmitter through the information transmitted from the central server, and to display a specific alarm when an emergency alarm signal is input.

GPS, Mia, Prevent, Location, Route, RF, Transmit, Receive, Lan, Apartment, Park

Description

Location tracking system using GPS {POSITION FOLLOWING SYSTEM WITH GPS}

1 is a block diagram showing a position tracking system using a GPS according to the present invention.

Figure 2 is a block diagram showing in detail the transmitter of the present invention.

Figure 3 is a conceptual diagram showing the appearance of the transmitter as a use state of the present invention.

Figure 4 is a system block diagram implemented in an apartment complex as an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

10: GPS satellites 20: transmitter

21: GPS receiver 22: display unit

23: key input unit 24: CPU

25: RF transceiver 26: memory

27 speaker output unit 30 repeater

40: central server 41: router

42: Hub 43: LAN Card

50: guardian terminal

The present invention relates to a location tracking system using GPS, and more particularly, by grasping the current location and the movement path of a lost child or an elderly person through GPS, and transmitting and receiving this data as an RF signal on a screen of the guardian's terminal. The present invention relates to a location tracking system using GPS, which accurately detects a location and a movement path in a wider range and prevents lost children.

Conventional anti-lost device is shown in the Republic of Korea Utility Model Registration No. 1999-0021409 (1999/10/06) "anti-lost and anti-lost alarm device", when the distance between the user and the belongings fall more than a certain degree It detects this and sounds an alarm, and installs a distance sensor that can be fixed to belongings, etc., or can exchange signals with each other in a plurality of tongs that are easy to carry, and by the distance sensor If it is detected that the distance between the predetermined distance or more is characterized in that the alarm sound generating unit for generating an alarm sound.

However, such a conventional anti-loaning device has a disadvantage in that its use range is very narrow, that is, it can be used only when the guardian and the child are within several tens of meters. There was a problem in that it was not possible to determine the exact current position and movement path of the child to which location it moved.

 Accordingly, the present invention is to solve the above-mentioned conventional problems, by grasping the current position and the movement path of the lost or the elderly through GPS, by transmitting and receiving this data as an RF signal on the screen of the guardian's terminal, In order to prevent the loss of children by accurately understanding the location and movement route in a wider range, it is easy to notify the others immediately when the elderly and women are in danger or emergencies so that they can cope with the danger. Its purpose is to provide a location tracking system using GPS.

Position tracking system using GPS according to the present invention for achieving the above object, in a location tracking system using GPS in a specific area, receiving a GPS signal to determine the current position and the user with the position data A transmitter for converting the emergency button signal selected by the RF signal into an RF signal and transmitting and transmitting the RF signal transmitted from the transmitter to a wider area; Receiving the RF signal transmitted from the transmitter from the wire / wireless repeater, restoring it, grasping the transmitter's current position and moving path, processing this information into geographic information (GIS), and transmitting to each guardian terminal, A central server for transmitting an emergency alarm signal together with an emergency button signal; It is characterized by consisting of a plurality of guardian terminal to display the location of the transmitter through the information transmitted from the central server, and to display a specific alarm when an emergency alarm signal is input.

The transmitter may further include: a GPS receiver for receiving a GPS satellite signal transmitted from a GPS satellite; A display unit which displays various input information and operation states; A key input unit for inputting a user's operation command and an emergency command; A CPU for converting satellite signals received from a plurality of GPS signals received through the GPS receiver to output position data indicating a current position; An RF transmitting / receiving unit configured to transmit the position data and the emergency command outputted from the CPU to an RF signal of a predetermined frequency band or to receive and transmit an RF signal to the CPU; A memory in which a predetermined output message is stored in advance; When the specific signal is received from the central server is characterized in that the speaker output unit for outputting a message stored in the memory under the control of the CPU.

In addition, the guardian terminal inputs the movable radius of the transmitter from a specific position and transmits it to the central server, the central server periodically analyzes the position information transmitted from the transmitter to refer to the GIS information, the current position of the transmitter And while determining the movement path, if the deviation from the predetermined predetermined radius is characterized in that for transmitting a specific alarm signal to the guardian terminal.

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

1 is a block diagram illustrating a location tracking system using a GPS according to the present invention.

As shown in the present invention, in a location tracking system using GPS in a specific region, a transmitter 20, a wired / wireless repeater 30, a central server 40, and a plurality of guardian terminals 50 are provided. It consists of.

The transmitter 20 receives the GPS signal to determine the current position and converts the emergency button signal selected by the user with the position data into an RF signal for transmission.

The wired / wireless repeater 30 relays and transmits the RF signal transmitted from the transmitter 20 to a wider area.

The central server 40 receives the RF signal transmitted from the transmitter 20 from the wired / wireless repeater 30, restores it, grasps the current position and the movement path of the transmitter 20, and uses this information as the geographic information. Processed by (GIS) and transmitted to each guardian terminal 50, while the emergency button signal is to be transmitted together with the emergency alarm signal.

The location of the transmitter is displayed through the information transmitted from the central server 50, and a specific alarm is displayed together with an emergency alarm signal.

In addition, the guardian terminal 50 inputs a movable radius of the transmitter 10 from a specific position to transmit to the central server 40, the central server 40 is transmitted from the transmitter 10 By periodically analyzing the information to determine the current position and the movement path of the transmitter 20 with reference to the GIS information, it is preferable to transmit a specific alarm signal to the guardian terminal 50 when it is out of a predetermined radius.

Figure 2 is a block diagram showing the transmitter of the present invention in detail, Figure 3 is a conceptual diagram showing the appearance of the transmitter as a use state of the present invention, as shown, the transmitter 20 of the present invention, GPS satellite 10 A GPS receiver 21 for receiving a GPS satellite signal transmitted from the camera; A display unit 22 for displaying various input information and operation states; A key input unit 23 for inputting a user's operation command and an emergency command; A CPU 24 for converting satellite signals received from a plurality of GPS signals received through the GPS receiver 21 and outputting position data indicating a current position; An RF transmitting / receiving unit 25 for transmitting the position data and the emergency command outputted from the CPU 24 to an RF signal of a predetermined frequency band or receiving and transmitting the RF signal to the CPU 24; A memory 26 in which predetermined output messages are stored in advance; The speaker output unit 27 outputs a message stored in the memory 26 under the control of the CPU 24 when a specific signal is received from the central server 40.

4 is a block diagram of a system implemented in an apartment complex as an embodiment of the present invention. In a specific area, for example, a location tracking system using GPS in an amusement park or an apartment complex, the transmitter 20 and A plurality of guardian terminals 50 were configured via the wireless repeater 30, the central server 40, the router 41, the hub 42, and the LAN card 43.

Referring to the operation of the present invention configured in this way in more detail as follows.

First of all, as GPS (Global Positioning System) is well known, it is a system that can know its position accurately by using satellites anywhere in the world.The location information is a GPS central server that can accurately find the correct time and distance from three or more satellites. By measuring the three different distances, the current position can be calculated accurately by the trigonometric method. The positional accuracy varies between military and civilian use, but for civilian use, the horizontal and vertical error is about 10 to 15m and the speed measurement accuracy is per second. 3 cm. In addition, the satellite is equipped with three atomic clocks to provide time information with an error of only one second in 36,000 years.

As shown in FIG. 3, the transmitter 20 of the present invention is manufactured in the form of a watch, a necklace, a key ring, and is configured to be easily carried by a child, an elderly person and a woman. As the transmitter 20, for example, when the child moves in a state of carrying, the position is tracked from the GPS satellite 10 to determine the current position, the position signal is converted into an RF signal and the repeater 30 Is sent.

That is, when the guardian grasps the position of the child at normal times, first, the transmitter 20 of the present invention receives the GPS satellite signal transmitted from the GPS satellite 10 to the GPS receiver 21, and the CPU 24 The satellite signal is converted from the plurality of GPS signals received through the GPS receiver 21 to output position data indicating the current position. The positional data output from the CPU 24 is transmitted to the RF signal by the RF transceiver 25 in a predetermined frequency band.

Subsequently, the repeater 30 receives the position data transmitted from the RF transceiver 25 on the transmitter 20 side and relays and transmits the position data to the central server 40, and analyzes the position data in the central server 40. In addition, the current position and the movement path of the transmitter 20 are determined by referring to previously stored GIS information.

Thereafter, the location information is processed into geographic information (GIS) and transmitted to each guardian terminal 50, and the guardian terminal 50 determines the position of the transmitter 20 through the information transmitted from the central server 50. By displaying on the screen, the child's current position can be easily identified.

On the other hand, the guardian can set the movable range of the child in advance by using the guardian terminal 50. Therefore, when the movement range is set in this way, the child generates an alarm when the child moves out of a predetermined range (eg, 100m / 300m / 500m / 1Km: S / W controllable) from a playground in the apartment complex.

That is, the central server 40 periodically analyzes the location information transmitted from the transmitter 10 to determine the current position and the movement path of the transmitter 20 by referring to the GIS information, but if it deviates from a predetermined radius. By sending a specific alarm signal to the guardian terminal 50, an alarm message or an alarm sound stored in the terminal is output to promptly inform the guardian of the current situation.

In this case, preferably, the transmitter 20 may also transmit an alarm signal to transmit an alarm sound to a child outside a certain distance. That is, the transmitter 20 includes a memory 26 in which a predetermined output message is stored in advance; When the specific signal is received from the central server 40 has a speaker output unit 27 for outputting a message stored in the memory 26 under the control of the CPU 24, the speaker output unit 27 You can also ask for help from people around you by outputting a message such as "Don't go to the child anymore", "Be at your current location" or alerting you of a lost or dangerous situation.

On the other hand, when the child carrying the transmitter, the elderly or elderly women and the like when the switch of the key input unit 23 is in danger, the transmitter 20 together with the above-mentioned position data and the emergency signal informing the danger of the central server 40 Is sent to.

Accordingly, the central server 40 quickly notifies the guardian of the current situation, analyzes the input position data, and checks the current position and the movement path of the transmitter 20 with reference to the GIS information. Display on the screen.

In this case, preferably, the central server 40 may also generate an alarm sound from the transmitter 20 to call for help from those around.

In addition, the central server 40 may call for help by connecting a phone that is automatically reserved when an emergency signal is input or by sending a warning text. That is, the central server 40 may transmit an alarm message pre-stored in memory or the like through a PSTN network to a predetermined location to notify an emergency or generate an alarm even when no data is generated for a predetermined time. .

On the other hand, since the transmitter 20 of the present invention has a frequency of approximately 424.7 MHz and separates 20 channels, only the signal of the transmitter 20, which is the same channel as its own frequency, is received and there is no fear of crosstalk. The received data is compared (Tag_ID / Central Server_ID) to display only the authenticated ID on the central server 40 side.

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such modifications are intended to fall within the scope of the appended claims.

As described above, according to the position tracking system using the GPS according to the present invention, the current position and the moving path of the lost child or the elderly are identified through the GPS, and the data is transmitted and received as an RF signal and displayed on the terminal screen of the guardian. In addition, it is possible to accurately identify the wider range of locations and movement routes to prevent the loss of children, and to notify the other person immediately when the elderly or women are in danger or when an emergency occurs. It is effective.

In addition, the guardian can set the child's mobile range in advance, and if the child leaves the specified range, the alarm can be triggered and the location can be displayed. There is also an effect that can be requested.

Claims (3)

A transmitter 20 for receiving a GPS signal to determine a current position and converting an emergency button signal selected by the user together with the position data into an RF signal; A wired / wireless repeater 30 for relaying and transmitting the RF signal transmitted from the transmitter 20 to a wider area; Receives the RF signal transmitted from the transmitter 20 from the wired / wireless repeater 30, recovers the current position and the movement path of the transmitter 20, and processes the information into geographic information (GIS). A central server 40 which transmits to each guardian terminal 50 and also transmits an emergency alarm signal when an emergency button signal is transmitted; And a plurality of guardian terminals (50) indicating the position of the transmitter through the information transmitted from the central server (50) and displaying a specific alarm when an emergency alarm signal is input. The transmitter 20 has a frequency of about 424.7 MHz, prevents crosstalk by separating 20 channels so as to receive only the signal of the transmitter 20 which is the same channel as its own frequency, and compares the received data (Tag_ID / Central server _ ID) to the central server 40, the location tracking system using a GPS, characterized in that to display only the authentication ID selected. The method of claim 1, The transmitter 20 includes a GPS receiver 21 for receiving a GPS satellite signal transmitted from the GPS satellites 10; A display unit 22 for displaying various input information and operation states; A key input unit 23 for inputting a user's operation command and an emergency command; A CPU 24 for converting satellite signals received from a plurality of GPS signals received through the GPS receiver 21 and outputting position data indicating a current position; An RF transmitting / receiving unit 25 for transmitting the position data and the emergency command outputted from the CPU 24 to an RF signal of a predetermined frequency band or receiving and transmitting the RF signal to the CPU 24; A memory 26 in which predetermined output messages are stored in advance; When a specific signal is received from the central server 40 is composed of a speaker output unit 27 for outputting a message stored in the memory 26 under the control of the CPU 24, clock, necklace, key ring form Produced as a location tracking system using GPS, characterized in that children, the elderly and women and women easily configured to carry. The method according to claim 1 or 2, The guardian terminal 50 inputs a movable radius of the transmitter 10 from a specific position and transmits it to the central server 40, and the central server 40 transmits the position information transmitted from the transmitter 10. Analyze the current position and the movement path of the transmitter 20 by periodically analyzing with reference to the GIS information, when using a GPS, characterized in that for transmitting a specific alarm signal to the guardian terminal 50 Location tracking system.

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