JPH09172673A - Communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To recognize the relative position relation of a transmission side with a reception side and to contribute to the rescue activity of a victim by adding present position information obtained from a satellite system to transmission data such as an SOS signal, etc., in an emergency. SOLUTION: In a detecting means 1, grasping is executed at the present position of a self machine through the use of normal GPS. Then, data previously stored in a memory 3, for example, identification data peculiar to an owner such as an address and a name, etc., which are stored through the use of a semiconductor memory and data for an emergency disaster signal are transmitted to a transmission signal generating means 2. In the transmission signal generating means 2, position information detected by the detecting means 1 is combined with data stored in the memory 3 so as to generate data to be transmitted. The generated transmission data is transmitted to a transmitting means 4, multiplexed by the frequency band of ground wave and transmitted by the transmitting means 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication device, and more particularly to a communication device in which current position information obtained by a satellite system is added to transmission data such as an SOS signal in an emergency.

[0002]

2. Description of the Related Art In communications using an SOS signal or the like in an emergency radio, there are no restrictions on transmission conditions and the like, but the contents are only for notification of distress. Therefore, in the event of a distress, although it is possible to inform the fact of the distress, it is difficult to identify and inform the location.

[0003]

As described above, in conventional wireless communication such as SOS signals in an emergency, it is possible to notify the fact of a distress, but it is difficult to specify the location of the accident. there were. Further, since a general wireless receiver is used on the receiving side, it is extremely difficult to accurately grasp the positional relationship between the transmitting place and the receiving place even if the signal strength is traced.

[0004] The present invention has been made in view of the above points,
The purpose is to add the current position information obtained by the satellite system to the transmission data such as SOS signals in case of emergency, which can greatly contribute to the rescue activities of the victims, etc. It is to provide a communication device that can perform rescue activities more efficiently by making it possible to confirm the relative positional relationship of the.

[0005]

In order to achieve the above-mentioned object, the present invention provides a transmitting side communication device with a current position detecting means for detecting the current position of the own device by using a satellite system, and the present position detecting means. Transmission signal generation means for generating transmission data from the current position information detected by the position detection means and previously recorded data, and transmission for transmitting the transmission data generated by the transmission signal generation means by terrestrial waves And means.

Further, the communication device on the receiving side includes a receiving means for receiving the transmission data from the communication device on the transmitting side, and a current position detecting means for detecting the current position of the own device using a satellite system. Relative position calculating means for calculating the relative positional relationship between the transmitting location and the receiving location based on the current position information of the other device and the current position information of the own device obtained from the received data, and the relative position calculating means. And a display unit for displaying the calculated relative position information.

In the communication device on the transmitting side, the current position detecting means grasps the current position of the own device. GPS (Global Positioning System) is used to detect the current position.
A position detection method using a system that measures its own position by receiving satellite waves from three or more artificial satellites (GPS satellites). Further, data such as the name of the owner is recorded in advance in a semiconductor memory or the like, and this data is combined with the current position information obtained by GPS to generate transmission data by the transmission signal generation means, The generated transmission data is multiplexed with the ground wave and transmitted by the transmission means.

Further, in the receiving side communication device, the receiving means receives the transmission data transmitted from the transmitting side communication device. The communication device on the receiving side also has its own current position detecting means using GPS, which detects the current position of its own device and holds the detected data. Then, based on the current position information of the other device and the current position information of the own device obtained from the received data, the relative position calculation means calculates the relative positional relationship between the transmission place and the reception place, and displays the calculation result. Display by means.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a main configuration of a transmitting-side communication device according to a first example of the present invention. The communication device on the transmission side of this example is a GPS (Global Positioning S
ystem) to detect the current position of the device itself, a detecting device 1 for generating the data for transmission by combining the detected position data with the previously recorded data, and the data in advance. And a transmission means 4 for transmitting the data generated by the generation means 2.
And at least the above.

The detecting means 1 can detect the current position by using a normal GPS. The memory 3 is, for example, a semiconductor memory and stores identification data unique to the owner such as an address and a name, data for an emergency distress signal, and the like. Then, the position information detected by the detection means 1 and the data stored in the memory 3 are combined in the generation means 2 to generate the data to be transmitted. The generated data for transmission is sent to the transmitting means 4 and is multiplexed and transmitted from the transmitting means 4 in the frequency band of terrestrial waves.

[0011] For example, if the user wants to use it when he / she is distressed during mountain climbing, he / she can detect the emergency distress signal by using the GPS incorporated in the communication device on the transmitting side by only instructing the transmission of the emergency distress signal by operating an appropriate button or the like. The means 1 confirms the current position, adds the information in the memory 3, and transmits a signal notifying an emergency on the ground wave. The form of terrestrial waves shall be in accordance with the form of ordinary emergency communication, and shall be able to be received by general radio equipment. In order to be received by a general wireless device and recognized by voice, the data stored in the memory 3 must be converted and combined with the information of the current position when the transmission device generates transmission data. It may not be necessary in some cases. In other words, a signal such as "XX (XX represents name, for example) distress at the point of a degree east longitude and b degree north latitude. Request for rescue." Is transmitted as an emergency signal.

FIG. 2 is a block diagram showing a main configuration of a communication device on the receiving side according to the first example of the present invention. The communication device on the receiving side in this example uses a GPS similar to the communication device on the transmitting side to detect the current position of the own device, and a receiving device to receive transmission data from the communication device on the transmitting side. 5, and a calculation means 6 for calculating the relative positional relationship between the own device and the other device based on the current position information of the other device and the current position information of the own device.
And a display unit 7 including an LCD and the like.

Also in the communication device on the receiving side, the detecting means 1
Thus, the current position of the own device is measured using GPS at an appropriate timing as necessary, and the current position information is updated and held. The receiving means 5 receives the transmission data from the communication device on the transmission side, performs appropriate conversion processing if necessary, and calculates information indicating the current position of the communication device on the transmission side included in the received data. To the means 6. The calculation means 6 calculates the relative positional relationship between the transmission location (other device) and the reception location (self) based on the current position information of the other device and the current position information of the own device obtained from the received data. To do. The calculated relative positional relationship is displayed on the display unit 7.
Displayed by

In the first example having such a configuration,
In the communication device on the transmission side, the current position information obtained by the satellite system is added to the transmission data such as the SOS signal in an emergency, so that the position of the transmission side can be accurately recognized by the reception side, and the victim etc. Can greatly contribute to the rescue activities of. Further, in the communication device on the receiving side, since the relative positional relationship between the transmitting side and the receiving side can be confirmed, rescue operation can be performed more efficiently.

FIG. 3 is a block diagram showing a main configuration of a communication device according to a second example of the present invention. In FIG.
The same components as those in FIG. 2 are designated by the same reference numerals, and the description thereof will be omitted to avoid duplication.

The communication apparatus of the second example is a transmission / reception apparatus in which the functions of the communication apparatus on the transmitting side and the communication apparatus on the receiving side in the first example are combined. In this transmission / reception device, detection of the current position using GPS is 1
The control unit 8 has the functions of the generation unit 2 and the calculation unit 6 described above. The operation at the time of transmission and the operation at the time of reception in the second example are the same as those in the first example.
Basically equivalent to the example.

FIG. 4 shows an outline of a communication system using the transmitting / receiving apparatus of the second example.
1 receives and receives satellite waves from a plurality of artificial satellites (GPS satellites) 12, calculates and measures its own position, and each transmitting / receiving device 1
1 Comrades send and receive each other by terrestrial waves. It is assumed that the transmission data includes position information and identification data for identifying an individual, and the transmission data is received by the receiving means 5 in a time division manner, whereby the individual identification data is recognized, and the position information is also received. Calculate the relative position from
These are displayed by the display means 7.

In FIG. 5, a large number of transmission / reception devices 11 are scattered in a wide range, and one transmission / reception device 1 on the receiving side is provided.
FIG. 1 is a diagram showing a display example on a display unit 7 when 1 receives the transmission data from a plurality of transmission / reception devices 11 on the transmission side. In the example shown in FIG. 5, the transmitting / receiving device on the receiving side (own device)
The current position of (1) is represented by the central reference position, and the current position of the transmitting / receiving device (other device) on the transmitting side is represented by adding personal identification data. By doing so, in each transmitting / receiving device 11, other transmitting / receiving devices 11 scattered in a wide range
The positions of can be easily confirmed by each other.

[0019]

As described above, according to the present invention, in the communication device on the transmission side, the current position information obtained by the satellite system is added to the transmission data such as the SOS signal in an emergency. This makes it possible for the receiving side to recognize it accurately, which can greatly contribute to rescue activities for victims.
Further, in the communication device on the receiving side, since the relative positional relationship between the transmitting side and the receiving side can be confirmed, rescue operation can be performed more efficiently.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a main configuration of a transmitting-side communication device according to a first example of the present invention.

FIG. 2 is a block diagram showing a main configuration of a communication device on the receiving side according to the first example of the present invention.

FIG. 3 is a communication device (transmission / reception device) according to a second example of the present invention.
3 is a block diagram showing the configuration of the main part of FIG.

FIG. 4 is a communication device (transmission / reception device) according to a second example of the present invention.
It is an explanatory view showing an outline of a communication system using.

FIG. 5 is an explanatory diagram showing a display example by the display means in the second example of the present invention.

[Explanation of symbols]

 1 Current Position Detection Means 2 Transmission Signal Generation Means 3 Memory 4 Transmission Means 5 Reception Means 6 Relative Position Calculation Means 7 Display Means 8 Control Means

Claims (2)

[Claims] 1. A transmission data is generated from current position detecting means for detecting a current position of the own device using a satellite system, and current position information detected by the current position detecting means and data recorded in advance. A communication device comprising: a transmission signal generating means for transmitting the transmission data; and a transmission means for transmitting the transmission data generated by the transmission signal generating means by a terrestrial wave. 2. A communication device for receiving the transmission data from the communication device according to claim 1, wherein a receiving means for receiving the transmission data from the communication device according to claim 1 and a satellite system are used. Based on the current position detection means for detecting the current position of the device itself and the current position information of the other device and the current position information of the device acquired from the received data A communication device comprising: a relative position calculating means for calculating the relative position and a display means for displaying the relative position information calculated by the relative position calculating means.