JPH04174318A - Automatic guiding apparatus for moving body - Google Patents

Abstract

PURPOSE:To automatically guide a moving body by detecting by means of a CPU whether or not the moving body reaches a destination from the present position obtained by a global positioning system GPS receiver and the positional data of predetermined destinations, and activating guide means sequentially. CONSTITUTION:When destination selecting keys 5, 6 are manipulated, names of destinations stored beforehand are read from a memory 3 and displayed at a destination name display part 8. When the name of a place for which automatic guidance is required is displayed, a registering key 12 is depressed to register the name. A plurality of names of the places for automatic guidance are registered by repeating the above procedure. As an automobile starts running, the present position of the automobile is output from a GPS receiver 2. A CPU 4 detects whether the present position is within a predetermined moving area of the destination from the data from the GPS receiver 2, and the latitude and longitude of the destination stored in the memory 3. If the present position is within the area, the CPU 4 generates an activating signal to a voice guiding device 10 and an image guiding device 11. Accordingly, it becomes possible to automatically guide the automobile to the destination without man's operations.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an automatic guidance system for a vehicle that provides automatic guidance using audio, video, etc. in a moving vehicle such as a bus, train, ship, or airplane.

BACKGROUND OF THE INVENTION Conventional guidance devices for moving objects provide various information about destinations through manual operations by a driver or the like. For example, announcements for bus stops on buses traveling on expressways are made either by the driver or conductor confirming that they have approached the stop, or by playing back announcements recorded on magnetic tape. was.

Problems to be Solved by the Invention As described above, in the conventional guidance device for a moving object, guidance must be performed manually each time as necessary, so the driver, conductor, etc. have to constantly check the traveling position. It was time-consuming and complicated to operate the magnetic tape player by broadcasting information or operating the magnetic tape player while checking the information.

The present invention solves the above conventional problems, and aims to provide an automatic guide device for a moving object that can automatically guide the moving object when it reaches a predetermined point. be.

Means for Solving the Problems In order to achieve the above objects, the present invention provides a position data input means for inputting position data of a destination, and a satellite signal for calculating a current position based on received signals from a plurality of artificial satellites. Based on the position data input by the receiver, the position data input means, and the current position data calculated by the satellite signal receiver (from the calculation it is determined whether the current position has reached the destination), the current position is determined. The present invention is characterized by comprising a calculation means for outputting a starting signal when the vehicle reaches a destination, and a guiding means for providing guidance in response to the starting signal.

Operation The present invention has the above-described configuration, and as the moving object moves, the current position of the moving object is calculated by the satellite signal receiver, and the position data inputted by the position data input means is calculated by the satellite signal receiver. Based on the current position data (calculated), it is sequentially determined whether the current position has reached the destination, and when the current position reaches the destination, the guidance means is activated by the activation signal output from the calculation means. The guidance will be provided automatically.

2 is a GPS (Gr
positioning system)
This receiver 2 includes an amplifier circuit that amplifies the received signal, and a mixing circuit 1 that mixes the oscillation output of the local oscillator circuit and the received signal. It consists of an intermediate amplifier circuit, a detection circuit, a signal processing circuit, etc., and calculates the current position data of the car, such as latitude data and longitude data of the current position, based on the orbit data and arrival time information of each satellite included in the received signal. Calculate and output. 3 is a memory, and this memory 3 stores a plurality of place name data and latitude data and longitude data corresponding to each place name. 4 is a central processing unit (CPU), and the CPU 4 has a function of sequentially reading place name data and latitude data and longitude data corresponding to the place name from the memory 3 according to key input from destination selection keys 5 and 6. A function to output place name data to the display device 7, a function to register the destination read out from the memory 3 according to the operation of the destination selection keys 5 and 6 by operation of the registration key 12, and output from the GPS receiver 2. Latitude data and longitude data of the current location and latitude data corresponding to the destination read from the memory 3,
A function that determines from longitude data whether the current position has reached a predetermined distance range centered on the destination, and outputs an activation signal when it is determined that the current position has reached the predetermined distance range of the destination; It has a function of calculating the distance from the current position to the destination based on the latitude data and longitude data of the current position and the destination, and transmitting this calculated distance data to the display device 7.

7 is a display device, and this display device 7 includes a destination display section 8 that displays a destination name based on the place name data read out from the memory 3 in response to key input from the destination selection keys 5 and 6; It consists of a distance display section 9 that displays the distance to the destination calculated from the latitude data and longitude data of the position and the latitude data and longitude data of the destination. Reference numeral 10 denotes an audio guidance device that automatically provides audio guidance in response to a start signal output from the CPU 4, and uses a magnetic recording/reproducing device or the like that reproduces a magnetic tape on which guidance contents have been recorded in advance. Reference numeral 11 denotes an image guide device that automatically provides video guidance in response to a start signal from the CPU 4, and a video tape recorder, various display boards, etc. are used as the image guide device 11.

Next, the operation of the above embodiment will be explained. When the destination selection key 5 or 6 is operated, the place name data of the destination stored in advance is read out from the memory 3 according to the human power of this key.
A place name is displayed on the destination display section 8 of the display device 7. When the destination display section 8 displays the name of a place for which automatic guidance is to be provided, the operator presses the registration key 12 to register the place name. By repeating the above operations, multiple place names for automatic guidance are registered. The above registration operation is completed and the vehicle starts running. At the start of driving, the GPS receiver 2 sends the car's current position data (latitude data and longitude data of the current position)
are sequentially output, and the CPU 4 determines whether the current position has reached within a predetermined distance range of the first destination from this data and the latitude and longitude data of the first destination read from the memory 3. Ru. As a result of this determination, if it is determined that the current position has reached the predetermined distance range of the first destination, an activation signal is output from the CPU 4 to the audio guidance device 101 or the image guidance device. The image guidance device 11 is activated and provides guidance regarding the first destination. After the voice guidance device 10 or the image guidance device 11 provides a predetermined guidance, it automatically stops and waits for the next activation signal. When the first guidance ends, the latitude and longitude data of the second destination are read from the memory 3, and based on the latitude and longitude data of the current location output from the GPS receiver 2, the current location or the second destination is read out. It is determined whether or not the predetermined distance range of the destination has been reached, and if it is determined that the predetermined distance range of the current position or the second destination has been reached, the CPU 4 outputs an activation signal and the voice guidance device 10 ．． The image guidance device 11 is activated and provides guidance corresponding to the second destination. As described above, when the current position reaches a predetermined distance range of a pre-registered destination, predetermined guidance is automatically provided.

FIG. 2 shows a second embodiment of the invention.

This embodiment is the same as the embodiment shown in FIG.
3 is used to input position data of a point where automatic guidance is to be performed, or to set or change a predetermined distance range centered on the destination.

In the above embodiment, the name of the place where the guidance is to be broadcast is selected from among a large number of position data stored in the memory 3 by operating the destination selection key 5.6. When the desired destination has been determined, a memory cart storing the place name data of the stops on that route, its latitude data, and longitude data can be used as the memory 3.

When using a memory cart, it has the advantage that it can be easily used as a memory for different routes by replacing the memory cart for each route.

Effects of the Invention The present invention has the above-described configuration, and is capable of automatically providing guidance without requiring any human operation when the current position reaches a predetermined destination.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an automatic guide device for a moving body according to one embodiment of the present invention, and FIG. 2 is a block diagram of another embodiment of the present invention. 1...Antenna, 2...GPS receiver, 3...Memory, 4...Central processing bag! (CPtJ), 5.6...
- Destination selection key, 7... Display device, 8... Destination name display section, 9... Distance display section, 10... Audio guidance device, 11... Image guidance device, 12... Registration key, 1
3...Key operation section.

Claims (4)

[Claims] (1). a position data input means for inputting position data of a destination; a satellite signal receiver for calculating a current position based on signals received from a plurality of satellites; and a position data input means for inputting the position data input by the position data input means and the above satellite. a calculation means that determines whether the current position has reached the destination based on calculations based on the current position data calculated by the signal receiver and outputs an activation signal when the current position reaches the destination; and the activation signal. An automatic guide device for a movable body, comprising a guide means for providing guidance in response to. (2). 2. The automatic guide system for a mobile object according to claim 1, wherein the position data input means is constituted by a memory storing a plurality of position data and a selection means for selecting the position data stored in the memory. (3). 3. The automatic guide device for a mobile object according to claim 2, wherein the memory storing the plurality of position data is a removable memory card. (4). Claim 1, further comprising calculation means for determining whether or not the current position data has reached a predetermined distance range of the destination, and outputting an activation signal when the current position reaches the predetermined distance range of the destination. The automatic guide device for a moving object described above.