JP2539689B2 - In-vehicle communication device - Google Patents

Description

The present invention relates to an in-vehicle communication device used for approach display guidance, operation monitoring, operation management, operation record collection, etc. of a route bus.

(Prior Art) Conventionally, assuming that this type of vehicle-mounted communication device is used,
There is an approach display guide device at the bus stop. FIG. 3 shows the configuration of a conventional in-vehicle communication device, and FIG. 5 shows the configuration of the approach display guide device. In FIG. 3, reference numeral 7 is a tape reproducing apparatus for guiding and broadcasting to bus users, which is connected to the control processing section 8. A destination information storage unit 9 stores the destination information detected by the control processing unit 8. 10 is the 5th
A transmission / reception unit for communicating information with the on-road devices 13, 14, 15 shown in the figure using weak electromagnetic waves such as electromagnetic induction communication, and is connected to the control processing unit 8 and the antenna 11. Figure 4 shows
The recording formats of a voice guide track and a destination information track in a conventional guide broadcasting tape are shown. Further, in FIG. 5, reference numeral 12 is a central processing unit, which is connected to the on-road devices 13, 14, 15 installed at the bus stop by wired or wireless lines. Reference numerals 16 and 17 denote approach indicators for approaching the bus, which are connected to the road devices 14 and 15. 18, 19 and 20 are antennas for communicating with the vehicle-mounted communication device of FIG. 3, and are connected to the on-road devices 13, 14 and 15, respectively.

Next, the operation of the above conventional example will be described. In FIG. 3, the tape reproducing device 7 is mounted with the guide broadcasting tape recorded in advance in the form of FIG. 4, and when the business operation starts, the driver operates the tape reproducing device 7 to reproduce in order. To be done. The control processing unit 8 detects the destination information from the reproduced signal and outputs it to the destination information storage unit 9. The destination information storage unit 9 stores the information until the control processing unit 8 next detects another destination information. Specifically, destination set information is detected at the beginning of business operation, and destination reset information is detected at the end of business operation. The transmitting / receiving unit 10 is the on-road device 13,1 of FIG.
When entering the communication area of 4,15, the device on the road through the antenna 11.
The trigger signals from 13, 14 and 15 are received, and the information is output to the control processing unit 8. As a response to the trigger signal, the control processing unit 8 outputs the destination information and the in-vehicle device number information stored in the destination information storage unit 9 to the transmitting / receiving unit 10. The transmission / reception unit 10 transmits such information via the antenna 11. In FIG. 5, it is assumed that the bus equipped with the in-vehicle communication device shown in FIG. 3 passes through the roadside devices 13, 14 ... 15 in that order. A bus equipped with the in-vehicle communication device shown in FIG. 3 is a roadside device.
When entering the communication area of 13, communication is performed, and the on-road device 13 receives information from the vehicle-mounted communication device via the antenna 18. The roadside device 13 sends the information to the central processing unit 12. The central processing unit 12 transmits the approach information of the bus to the approach indicator 16 via the on-road device 14. The approach indicator 16 guides the bus user to the approach display based on the information. next,
The on-vehicle communication device shown in FIG. 3 is mounted and communication is performed when the bus enters the communication area of the on-road device 14, and the on-road device 14 receives information from the on-vehicle communication device via the antenna 19. Road equipment 14
Sends the information to the central processing unit 12. Central processing unit
12 transmits the approach display reset information of the bus to the approach indicator 16 via the road device 14, and also transmits the approach information of the bus to the next approach indicator via the next road device. The approach indicator 16 resets the approach display based on the information.

In this way, the approach display is performed in order, and when the bus finally enters the communication area of the on-road device 15, communication is performed, and the on-road device 15 receives information from the vehicle-mounted communication device via the antenna 20,
The information is transmitted to the central processing unit 12. Central processing unit 12
Transmits the approach display reset information of the bus to the approach indicator 17 via the on-road device 15. The approach indicator 17 resets the approach display based on the information. At this point, the driver of the bus equipped with the in-vehicle communication device shown in FIG. 3 operates the tape reproducing device 7, so that the control processing unit 8 records the destination reset information recorded at the end of the guide broadcasting tape at the end of the business operation. Is detected, the destination information in the destination information storage unit 9 is reset. Therefore, afterwards, the roadside device 13,14,
There is no false indication of approach even after passing 15. As described above, even in the above-described in-vehicle communication device of the conventional example, if the tape reproducing device is operated reliably, the destination information can be correctly obtained even when the forwarding operation is performed.

(Problems to be Solved by the Invention) However, in the above-mentioned conventional vehicle-mounted communication device, when the driver mistakes the operation of the tape reproducing device, the destination reset information recorded at the end of the guide broadcasting tape is not detected. However, there was a problem that an erroneous approach indication was displayed when the vehicle was forwarded in that state and passed a roadside device. Even if the actual operation is assumed, it is quite possible to stop the operation of the tape reproducing device if there are no passengers at the end of the business operation.

The present invention solves such a conventional problem, and provides an excellent vehicle-mounted communication device that can obtain correct destination information even when forwarding operation is performed while the operation of the tape reproducing device is stopped midway. It is intended to be provided.

(Means for Solving the Problem) In order to achieve the above object, the present invention automatically determines destination information by determining an end point from a roadside device's unique number from roadside information received by a vehicle-mounted communication device from the roadside device. A function for resetting the service is provided, and the destination information is transmitted by discriminating between the business operation and the forwarding operation.

(Operation) Therefore, according to the present invention, even if the operation is carried out in a state where the destination reset information recorded at the end of the guide broadcasting tape is not detected due to an operation error of the tape reproducing device, the roadside device at the end point is operated. The destination information is reset if the on-road information can be received, so that even if the vehicle passes through the on-road device after that, the wrong destination information is not transmitted, and the approach display is not erroneously displayed.

(Embodiment) FIG. 1 shows the configuration of an embodiment of the present invention.
In FIG. 1, reference numeral 1 is a tape reproducing apparatus for guiding and broadcasting to bus users, which is connected to a control processing unit 2. A destination information storage unit 3 stores the destination information detected by the control processing unit 2. Reference numeral 4 denotes a transmission / reception unit for communicating information to the roadside device by using weak electromagnetic waves such as electromagnetic induction communication, and is connected to the control processing unit 2 and the antenna 5. Reference numeral 6 denotes an end point roadside device number storage unit for comparing received information from the roadside devices and determining whether or not the end point is connected to the control processing unit 2.

FIG. 2 shows an embodiment of the recording format of the voice guide track and the destination information track in the guide broadcasting tape of the present invention.

Next, the operation of the above embodiment will be described. In FIG. 1, a guide broadcasting tape recorded in advance in the format of FIG. 2 is mounted on the tape reproducing device 1, and when the business operation starts, the driver operates the tape reproducing device 1 in order. Is played. Specifically, the destination set information is reproduced every time the stop guide is performed during the business operation, and the destination reset information is reproduced at the end of the business operation. The control processing unit 2 detects the preceding information from the reproduced signal and outputs it to the destination information storage unit 3. The destination information storage unit 3 stores the destination information from the control processing unit 2. When the control processing unit 2 detects the destination reset information, the contents of the destination information storage unit 3 are reset. When the transmitter / receiver 4 enters the communication area of the on-road device, it receives a trigger signal from the on-road device via the antenna 5 and outputs the signal to the control processing unit 2. Control processing unit 2
Detects the roadside device number from the received signal and compares it with the contents of the end-point roadside device number storage unit 6. If the contents of the comparison result in a match, the contents of the destination information storage unit 3 are reset, and if the contents do not match, the contents of the destination information storage unit 3 are left unchanged,
The destination information and the in-vehicle device number information stored in the destination information storage unit 3 are output to the transmission / reception number 4. Transmitter / receiver 4
Transmits information from the control processing unit 2 via the antenna 5.

Assuming that the operation of the tape reproducing device 1 is stopped in the middle of the business operation and the forwarding operation is performed, after the last operation of the tape reproducing device, until the destination road device communicates with the destination. Although the information is transmitted, the contents of the destination information storage unit 3 are reset at the time of communication with the roadside device at the end point, and the destination information from the guide broadcasting tape is not detected thereafter, so that the communication with the next roadside device is not performed. The destination information is sent with the reset contents.

Thus, according to the above embodiment, the tape reproducing device 1
Since the operation of was stopped midway, even if the destination was recorded at the end of the guidance broadcast tape and the forwarding operation was not detected, the destination information will be reset by communicating with the end road device, Even if the vehicle passes through the on-road device after that, incorrect destination information is not transmitted, and it is possible to more accurately perform approach display guidance for route buses, operation monitoring, operation management, operation record collection, and the like.

(Effect of the invention) As is apparent from the above-described embodiment, the present invention automatically communicates with the roadside device so that the destination information does not remain in the tape reproducing device due to an operation error or a failure during the forwarding operation. Since the destination information is reset, there is an effect that it is possible to more accurately perform approach display guidance for route buses, operation monitoring, operation management, operation record collection, and the like.

[Brief description of drawings]

FIG. 1 is a schematic block diagram of an in-vehicle communication device according to an embodiment of the present invention, FIG. 2 is a recording format diagram of a voice guide track and a destination information track of a guide broadcasting tape of the device, and FIG. FIG. 4 is a schematic block diagram of an in-vehicle communication device, FIG. 4 is a recording format diagram of a voice guide track and a destination information track of a guide broadcasting tape of the device, and FIG. 5 is a schematic block of an approach display guide device using a conventional in-vehicle communication device. It is a figure. 1 ... tape reproducing device, 2 ... control processing unit, 3 ... destination information storage unit, 4 ... transmission / reception unit, 5 ... antenna, 6 ... end point road device number storage unit, 12 ... central processing unit, 13,14,15
…… Road device, 16,17 …… Approach indicator, 18,19,20 …… Antenna.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Haruo Ishikawa Inventor, Haruo Ishikawa 4-3-1, Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa Matsushita Communication Industry Co., Ltd. (72) Tetsuro Yamashita Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa Mr. Kiyoshi Tarashima, Examiner, Matsushita Communication Industrial Co., Ltd., 3-3-1 (56) References JP-A-61-141100 (JP, A) JP-A-52-17796 (JP, A)

Claims (1)

(57) [Claims] 1. An in-vehicle communication device for transmitting destination information and the like obtained from a guide broadcasting tape to a road device by a route bus or the like, based on the road information received from the road device, whether or not the road device is an end point. An in-vehicle communication device, characterized in that it is provided with means for resetting the destination information when it is determined and when the on-road device is determined to be the end point so that the destination information does not remain during forwarding operation.