KR20010002557A - Apparatus and method for pursuing a position using a global positioning system - Google Patents

Abstract

PURPOSE: An apparatus for tracking a position with a navigation system is provided to take a proper measure for the current situation of a user by tracing the current position of the user with a navigation system. CONSTITUTION: A situation setting unit(10) outputs a first situation signal for showing one of emergency and crime situations according to key operation of a user. An alarm generator(12) is turned on/off according to the key operation and generates an alarm sound responding to the first situation signal. A first satellite data receiver(14) outputs a position data signal by receiving satellite data from a first satellite. A position operator(16) outputs a first position signal for indicating the current position of the user by responding to the satellite data signal. A first signal transmitter(18) transmits the first situation signal and first position signal from the situation setting unit and position operator respectively. An off button(24) initializes the alarm generator and first satellite data receiver by generating an initializing signal. The alarm generator has a normal speaker system.

Description

Position tracking device and method using navigation system {APPARATUS AND METHOD FOR PURSUING A POSITION USING A GLOBAL POSITIONING SYSTEM}

The present invention relates to a location tracking device and method, and more particularly, using a navigation system that can track the current location of the user using a global positioning system to take appropriate measures for the current situation of the user. A location tracking device and method.

In recent years, more and more people, especially women, who carry alarms to alert them to defend themselves from increasingly unstable security and violent crimes. Such alarms can be used not only for protection from crime, but also as a means of informing one's situation even when he or she is in a medical emergency.

However, portable alarms have been designed to be carried in a bag and carry most functions such as generating a specific alarm sound to notify people around their emergency situation.

Therefore, if a user has been abducted by criminals and taken to an outlying area or confined in a confined space, or if the user has had an accident in an outlying area (such as a mountain climbing accident), they should ask for help from a third party. Can't.

SUMMARY OF THE INVENTION The present invention proposed to solve the above problems is to provide a location tracking device using a navigation system that can track a user's current location using a navigation system and take appropriate measures for the user's current situation. have.

Another object of the present invention is to provide a location tracking method using a navigation system that can track the current location of a user using a navigation system and take appropriate measures for the current situation of the user.

1 is a block diagram showing the configuration of a necklace carried by a user in a location tracking device using a navigation system according to an embodiment of the present invention;

2 is a block diagram showing the configuration of a control system for grasping the current position and situation of a user in a location tracking device using a navigation system according to an embodiment of the present invention;

3 is a block diagram showing a configuration of a mobile vehicle for moving to a current location of a user in a location tracking device using a navigation system according to an embodiment of the present invention and taking an action corresponding to the current situation of the user;

4 is a flow chart for explaining the operation of the necklace shown in FIG.

5 is a flow chart for explaining the operation of the control system shown in FIG. And

6 is a flowchart for explaining an operation of the mobile vehicle shown in FIG. 3;

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

10: situation setting unit

12: alarm generator

14, 32, 54: satellite data receiver

16: position calculation unit

18, 40: signal transmitter

34, 56: Position correction

30, 50, 52: signal receiver

38: signal discriminating unit

36, 58: location tracking unit

The position tracking device using the navigation system according to the present invention for achieving the above object, calculates a first position signal indicating its position based on the position data input from the first satellite in response to the user's key operation, Position notification means for generating a first position signal and a first situation signal by generating a first situation signal representing the current situation of the user in response to the user's key operation, and the first position signal and the first situation signal Is received, calculates a second location signal by tracking the current location of the user based on the location data input from the first location signal and the second satellite, and responds to the current situation of the user in response to the first condition signal. Control means for generating a corresponding second situation signal, and receiving the second position signal and the second situation signal, the second position signal First to gain access to the user on the basis of the position data that is input from the third satellite comprises a moving means for tracking a current location of the user.

The position tracking method using the navigation system according to the present invention for achieving the above object, (i) a first position signal indicating its position based on the position data input from the first satellite in response to the user's key operation; Generating a first situation signal representing the current situation of the user in response to a key operation of the user and generating the first position signal and the first situation signal; and (ii) the first position signal and the first situation signal. Receiving a first status signal, calculating a second location signal by tracking the current location of the user based on the location data input from the first location signal and the second satellite, and in response to the first status signal; Generating a second situation signal corresponding to a current situation; and (iii) receiving the second position signal and the second situation signal, and receiving the second position signal and the third satellite. On the basis of the position data inputted from and a step of tracking the current location of the user to gain access to the user.

According to the satellite tracking device and method using the navigation system as described above, the necklace type alarm has a satellite data transmission and reception function as well as an alarm function. Therefore, when an emergency situation occurs to the user, it is possible to quickly and accurately inform the outsider of his or her emergency situation and location by using the satellite data transmission / reception function. Therefore, it is possible to strengthen their protection more safely from crime and accidents. In addition, because it is configured in the form of a necklace is very easy to carry.

EMBODIMENT OF THE INVENTION Hereinafter, one preferred embodiment of this invention is described in detail based on attached drawings 1-6.

1 is a block diagram showing the configuration of a necklace carried by a user in a location tracking device using a navigation system according to an embodiment of the present invention.

Referring to FIG. 1, the necklace is turned on / off by a situation setting unit 10 for outputting a first situation signal indicating one of an emergency and a crime situation according to a user's key operation, and a user's key operation. An alarm generating unit 12 generating an alarm sound in response to the first situation signal, a first satellite data receiving unit which is turned on in response to the first situation signal and receives satellite data from the first satellite and outputs a position data signal ( 14) a first situation signal and a first situation signal from the position calculation unit 16, the situation setting unit 10, and the position calculation unit 16 for outputting a first position signal indicating a current position of the user in response to the satellite data signal. A first signal transmitter 18 for transmitting the position signal, and an off button 24 for initializing the alarm generator 12 and the first satellite data receiver 14 by generating an initialization signal in response to the user's operation Have The. At this time, the alarm generating unit 12 is composed of a normal speaker system.

2 is a block diagram showing the configuration of a control system for grasping the current position and situation of a user in a location tracking device using a navigation system according to an embodiment of the present invention.

Referring to FIG. 2, the control system includes a first signal receiver 30 for receiving and outputting a first situation signal and a first position signal, and receiving satellite data from a second satellite and outputting a position data signal. The second position signal by correcting the position of the user in response to the satellite data signal from the second satellite data receiver 32, the second satellite data receiver 32 and the first position signal from the first signal receiver 30; The first position correction unit 34 for outputting the first position, the first position tracking unit 36 for continuously tracking the position of the user in response to the second position signal, and the first situation from the first signal receiving unit 30 The second from the signal discriminating unit 38, the first position tracking unit 36 and the signal discriminating unit 38 for determining whether the signal represents an emergency situation or a crime situation and outputting a second situation signal. To transmit position signal and second status signal One second signal transmitter 40 is provided.

3 is a block diagram illustrating a configuration of a mobile vehicle for moving to a current location of a user in a location tracking device using a navigation system according to an embodiment of the present invention and taking an action corresponding to the current situation of the user.

3, a third signal receiver 50 for receiving and outputting a first situation signal and a first position signal, and a fourth signal receiver 52 for receiving and outputting a second situation signal and a second position signal. ), From the third satellite data receiver 54 for receiving the satellite data from the third satellite and outputting the position data signal, from the satellite data signal from the third satellite data receiver 54 and the third signal receiver 50. A second position compensator 56 for outputting a third position signal by correcting the position of the user in response to the first position signal of the second position signal, and the second position signal from the third position signal and the fourth signal receiver 52. And a second position tracking unit 58 for continuously tracking the position of the user in response to any one of the position signals.

Hereinafter, the operation of the location tracking device using the navigation system described above with reference to FIGS. 1 to 3 will be described in more detail.

First, the speaker system 12 typically remains “off” to prevent criminals from recognizing the user's signaling behavior when the user is abducted or imprisoned.

When the user presses the crime button 10a for three seconds or more, the situation setting unit 10 sends the first satellite data receiver 14 and the first signal transmitter 18 a first situation signal having a specific code indicating a crime situation. Occurs.

The first satellite data receiver 14 receives and outputs satellite data input from the satellite in response to the first situation signal from the situation setting unit 10.

Next, the position calculator 16 calculates and outputs a first position signal indicating the current position of the user based on the satellite data from the first satellite data receiver 14.

Thereafter, the first signal transmitter 18 transmits the first situation signal and the first position signal respectively input from the situation setting unit 10 and the position calculator 16 to the control center. Here, the process of notifying the user of the emergency situation is different from the step of pressing the emergency button (10b) of the situation setting unit 10 and the other signal transmission process is the same as the crime situation.

In addition, the above-mentioned emergency can be terminated by initializing the speaker system 12 and the first satellite data receiver 14 by pressing the off button 24 for 5 seconds or more.

Next, referring to FIG. 2, the first signal receiver 30 of the control center receives the first position signal and the first status signal from the first signal transmitter 18, respectively. ) And the signal discrimination unit 38.

The signal discrimination unit 38 determines whether the first situation signal from the first signal receiver 30 represents a crime situation or an emergency situation and provides a second situation signal to the second signal transmitter 40. .

The second satellite data receiver 32 receives and outputs position data from the satellite.

The first position correction unit 34 continuously tracks the current position of the user based on the first position signal and the position data input from the first signal receiver 30 and the second satellite data receiver 32, respectively. The second position signal is provided to the second signal transmitter 40.

The second signal transmitter 40 transmits the second position signal and the second situation signal input from the first position tracker 36 and the signal discriminator 38, respectively, to the moving vehicle.

Next, referring to FIG. 3, the third signal receiver 50 receives and outputs the first position signal and the first status signal from the first signal transmitter 18, and the fourth signal receiver 52 includes the first signal. 2 The second position signal and the second status signal from the signal transmitter 40 are received and output.

The third satellite data receiver 54 receives and outputs position data from the satellite.

The second position correction unit 56 continuously tracks the current position of the user based on the first position signal and the position data respectively input from the third signal receiver 50 and the second satellite data receiver 54. Thus, the third position signal is provided to the second position tracking unit 58.

The second position tracking unit 58 is configured to respond to the position signal of the user in response to any one of the third position signal from the second position correction unit 56 and the second position signal from the fourth signal receiver 52. Keep track of your current location.

Now, with reference to Figures 4 to 6 will be described the location tracking method of the location tracking device using the above-described navigation system.

4 is a flowchart for explaining the operation of the necklace shown in FIG. 1, FIG. 5 is a flowchart for explaining the operation of the control system shown in FIG. 2, and FIG. 6 is an operation of the mobile vehicle shown in FIG. This is a flowchart for explaining.

First, referring to FIG. 4, the first satellite data receiver 14 receiving the satellite data from the first satellite maintains an “off” state (step S100).

Next, it is checked by the user whether the emergency button corresponding to the crime or emergency buttons 10a and 10b remains in the "on" state for at least 3 seconds (step S102). If the emergency button does not remain on for more than 3 seconds, the process returns to step S102. If the emergency state button remains on for more than 3 seconds, the speaker system 12 is checked to be on (step S104).

If the speaker system 12 is not in the on state, the satellite data from the first satellite is received by turning on the first satellite data receiving unit 14 (step S108), and if the speaker system 12 is in the on state, In step S102, an alarm sound corresponding to the emergency key that has been kept on for three seconds or more is generated (step S106).

Subsequently, the position of the user is calculated based on the satellite data input through the first satellite data receiver 14 to generate a first position signal (step S110).

It is checked whether the key operated by the user is a key representing a crime situation (step S112).

If the manipulated key is a key representing a crime situation, a first situation signal representing a crime situation is generated (step S116), and if it is not a key representing a crime situation, a first situation signal representing an emergency situation is generated (step S114). ). The first signal transmitter 18 transmits the first position signal and the first situation signal (step S118).

Then, it is checked by the user whether the off button 24 remains on for at least 5 seconds (step S120).

If the off button 24 remains on for more than 5 seconds, the process returns to step S100. If the off button 24 does not remain on for more than 5 seconds, the process returns to step S110.

Next, referring to FIG. 5, in the state where the first location tracking unit 36 for tracking the current location of the user is turned off (step S200), whether the first location signal and the first situation signal are received. Is checked (step S202).

If the first position signal and the first situation signal are not received, step S202 is repeatedly performed. If the first position signal and the first situation signal are received, the first position tracking unit 36 is turned on. (Step S204), the first position signal and the first situation signal are decoded (step S206).

The second position signal is calculated by correcting the current position of the user based on the first position signal and the position data from the second satellite (step S208).

Then, it is checked whether the first situation signal is a signal representing a crime situation (step S210). If the first situation signal is a signal representing a crime situation, the first position signal and the first situation signal are transmitted to a crime processing vehicle (step S212), and if the first situation signal is not a signal representing a crime situation, The first position signal and the first situation signal are transmitted to the emergency vehicle (step S214).

Next, it is checked whether or not the transmission of the first position signal and the first status signal is completed (step S216). If the transmission is completed, the process returns to step S200. If the transmission is not completed, the process returns to step S216 after transmitting the first position signal and the first status signal (step S218).

Referring to FIG. 6, in a state in which the second location tracking unit 58 for tracking the current location of the user is turned off (step S300), it is checked whether the second location signal and the second situation signal are received. (Step S302).

If the second position signal and the second situation signal are not received, step S302 is repeatedly performed, and when the second position signal and the second situation signal are received, the second position tracking unit 58 is turned on ( Step S304).

Then, it is determined whether to receive the first position signal and the first status signal from the necklace (step S306).

When receiving the first position signal and the first status signal from the necklace (step S308), after correcting the current position of the user based on the position data from the first position signal and the third satellite ( In step S310, the location of the user is tracked based on the location data of the user corrected in step S310 (step S314).

If the first position signal and the first situation signal from the necklace are not received (step S312), the position of the user based on the second position signal from the control center and position data from the third satellite To track.

According to the position tracking device and method using the navigation system as described above, the necklace type alarm has a satellite data transmission and reception function as well as an alarm function. Therefore, when an emergency situation occurs to the user, it is possible to quickly and accurately inform the outsider of his or her emergency situation and location by using the satellite data transmission / reception function. Therefore, it is possible to strengthen their protection more safely from crime and accidents. In addition, because it is configured in the form of a necklace is very easy to carry.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the present invention without departing from the spirit and scope of the invention described in the claims below. I can understand that you can.

Claims (15)

Compute a first position signal indicating its position based on position data input from a first satellite in response to a user's key operation, and generate a first situation signal representing the current situation of the user in response to the user's key operation. Position notification means for generating the first position signal and the first situation signal; The first location signal and the first status signal are input, the current location of the user is tracked based on the location data input from the first location signal and the second satellite, and the second location signal is calculated. Control means for generating a second situation signal corresponding to the current situation of the user in response to a situation signal; And A moving means for receiving the second location signal and the second status signal and tracking the current location of the user to access the user based on the location data input from the second location signal and the third satellite; Position tracking device using a navigation system comprising a. The method of claim 1, wherein the position notification means, A situation setting unit for outputting the first situation signal indicating any one of an emergency situation and a crime situation in response to a key operation of the user; An alarm generator configured to be turned on / off by a key operation of the user and to generate an alarm sound in response to the first situation signal; A satellite data receiving unit which is turned on in response to the first situation signal and receives satellite data from the first satellite and outputs a position data signal; A position calculator for calculating the current position of the user in response to the satellite data signal and outputting the first position signal; And And a signal transmitter for transmitting the first situation signal and the first position signal respectively inputted from the situation setting unit and the position calculating unit. The position tracking device according to claim 2, further comprising an off button for generating an initialization signal in response to the user's operation to initialize the alarm generator and the satellite data receiver. The method of claim 1, wherein the control means, A signal receiver for receiving and outputting a first situation signal and a first position signal from the moving means; A satellite data receiver for receiving satellite data from the second satellite and outputting a position data signal; A position correction unit for outputting the second position signal correcting the position of the user in response to the satellite data signal from the satellite data receiver and the first position signal from the signal receiver; A location tracking unit for continuously tracking the location of the user in response to the second location signal; A signal discriminating unit for determining whether the first situation signal from the signal receiving unit represents an emergency situation or a crime situation and outputting the second situation signal; And And a signal transmitter for transmitting the second position signal and the second situation signal inputted from the position tracker and the signal discriminator, respectively. According to claim 1, The means for moving, A first signal receiver for receiving and outputting a first status signal and a first position signal from the position notification means; A second signal receiver for receiving and outputting a second situation signal and a second position signal from the control means; A satellite data receiver for receiving satellite data from the third satellite and outputting a position data signal; A position correction unit for outputting the third position signal correcting the position of the user in response to the satellite data signal from the satellite data receiver and the first position signal from the first signal receiver; And And a position tracking unit for continuously tracking the position of the user in response to any one of the third position signal and the second position signal from the second signal receiver. (i) a first situation in which a first position signal indicating its position is calculated on the basis of position data input from a first satellite in response to a user's key operation, and a first situation indicative of the current situation of the user in response to the user's key operation; Generating a signal to generate the first position signal and the first situation signal; (ii) receiving the first position signal and the first status signal, calculating the second position signal by tracking the current position of the user based on the position data input from the first position signal and the second satellite, Generating a second situation signal corresponding to the current situation of the user in response to the first situation signal; And (iii) receiving the second location signal and the second situation signal and tracking the current location of the user to access the user based on the location data input from the second location signal and the third satellite; Position tracking method using a navigation system comprising a. The method of claim 6, wherein step (i) comprises (i-1) receiving satellite data from the first satellite in response to a key manipulation of the user; (i-2) calculating the first location signal representing the current location of the user based on the satellite data; (i-3) generating the first situation signal indicating the current situation of the user based on a key operation of the user; (i-4) transmitting the first position signal and the first status signal; And (i-5) a step of returning to step (i-1) or step (i-2) based on the user's off-key operation. The method of claim 7, wherein step (i-1) is, (a) turning off a satellite data receiver receiving satellite data from the first satellite; (b) checking whether the emergency key is kept on for at least 3 seconds by the user; (c) returning to step (a) if it does not remain on for at least 3 seconds; (d) checking that the speaker is on if it remains on for at least 3 seconds; (e) if the speaker is not on, receiving satellite data from the first satellite; And (f) if the speaker is in an on state, generating an alarm sound corresponding to the emergency key keeping the on state, and proceeding to step (d). . The method of claim 8, wherein step (i-5) is (g) checking whether the offkey operated by the user remains on for at least 5 seconds; (h) returning to step (a) if kept on for at least 5 seconds; And (i) returning to step (i-2) if it does not remain on for more than 5 seconds. The method of claim 7, wherein step (i-3) is (j) checking whether the key operated by the user is a key representing a crime situation; (k) if a key indicating a crime situation, generating a first situation signal indicating a crime situation; And (l) generating a first status signal indicative of an emergency, if not a key indicative of a criminal situation. The method of claim 6, wherein step (ii) comprises: (ii-1) receiving and decoding the first position signal and the first situation signal; (ii-2) calculating the second position signal by correcting the current position of the user based on the first position signal and the position data from the second satellite; (ii-3) transmitting a second status signal corresponding to the current status of the user based on the first status signal; And (ii-4) returning to step (ii-1) or (ii-4) according to whether the transmission of the first position signal is terminated. The method of claim 11, wherein step (ii-1) (A) turning off a location tracker for tracking the current location of the user; (B) checking whether the first position signal and the first status signal are received; (C) repeating step (B) if the first position signal and the first status signal are not received; (D) turning on the location tracker when the first location signal and the first status signal are received; And (E) a location tracking method using the navigation system, characterized by decoding the first position signal and the first situation signal. The method of claim 12, wherein step (ii-1) (F) checking whether the first status signal is a signal representing a crime situation; (G) transmitting a first location signal and a first status signal to a crime processing vehicle if the signal represents a crime situation; And (H) if it is not a signal indicating a crime situation, the location tracking method using the navigation system comprising the step of transmitting the first position signal and the first situation signal to the emergency treatment vehicle. The method of claim 13, wherein step (ii-4) comprises: (I) checking whether transmission of the first position signal and the first status signal is completed; (J) if the transmission ends, returning to step (A); And And (K) if it is not the end of transmission, after transmitting the first position signal and the first situation signal, returning to step (I). The method of claim 6, wherein step (iii) (iii-1) turning off a location tracker for tracking the current location of the user; (iii-2) checking whether the second position signal and the second status signal are received; (iii-3) repeating step (iii-2) if the second position signal and the second status signal are not received; (iii-4) turning on the location tracker when the second location signal and the second status signal are received; (iii-5) determining whether to receive the first position signal and the first status signal; (iii-6) correcting the current position of the user based on the first position signal and the position data from the third satellite when receiving the first position signal and the first status signal; (iii-7) tracking the location of the user based on the location data of the user corrected in step (iii-6); And (iii-8) tracking the location of the user based on the location data from the second location signal and the third satellite when the first location signal and the first status signal are not received. Position tracking method using the navigation system characterized in that.