JPS598840B2 - Destination guidance broadcasting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a destination guidance broadcasting device for a bus, and particularly aims to provide a destination guidance broadcasting device that can perform destination guidance broadcasting without modifying the existing in-vehicle guidance broadcasting device. It is.

It has now become common practice for route buses to make announcements to inform passengers of the next stop.

However, at bus stops in urban areas where multiple bus routes arrive and depart, it can be difficult to tell where the bus that has stopped in front of you is going. For this reason, recent efforts have been made to attract more passengers by making the destination display screen in front extremely large and easy to see, and by installing windows on the sides to identify the system.

However, passengers still feel uneasy about their destination, and are constantly asking questions of the driver.

The current situation is such that we feel truly sorry for the visually impaired. Therefore, considerate bus companies include the necessary destination announcements for each stop in the on-board announcement tape, informing the inside of the bus of the name of the next stop while the bus is running, and when the bus arrives at the stop, it switches to an external announcement and gives the destination information. I'm trying to. However, there are very few examples of this method. In other words, for each stop, for example, ``This bus is via △△ line 00.''
This is because the broadcast has to be repeated three to three times, which takes a relatively long time, which increases the time required for the tape, and in the case of a long route, it cannot fit on one roll of tape. However, with the recent addition of advertising broadcasts and the fact that information for multiple routes is included on a single roll of tape, the current situation is that services for passengers have no choice but to be excluded.

In order to broadcast destination guidance under such circumstances, it would be possible to prepare a dedicated tape player for broadcasting destination guidance, but this would require two players along with a player for in-car guidance broadcasting, which would be economical. burden is imposed on them.
Furthermore, since the two regenerators must be operated alternately, there is also the disadvantage that the burden on the driver becomes large. An object of the present invention is to eliminate these inconveniences and provide a destination guidance broadcasting device that can perform destination guidance broadcasting using the existing in-vehicle guidance broadcasting device without making any modifications to the existing in-vehicle guidance broadcasting device. There is something to do.

In this invention, the route point, destination, etc. of the car are recorded once at the beginning of the in-vehicle guidance tape, either as voice itself or as a digital code obtained by converting the voice into an AD converter, and then AD converting it or directly storing it in a semiconductor storage means. I'll leave it to you.

Therefore, according to the present invention, by converting the digital code stored in the semiconductor storage means for each stop from digital to analog and broadcasting it to the outside, destination guidance can be provided by voice as many times as desired.

However, since it is only necessary to record on-board guidance announcements on the tape as before, it is possible to create a tape in the same way as before, even if the route is long, has advertisements, or has multiple routes.

An embodiment of the present invention will be described in detail below with reference to the drawings.

In the figure, 101 indicates an existing in-vehicle guidance broadcasting device.

This in-vehicle guidance broadcasting device 101 includes a tape player 102,
It is composed of an audio amplifier 103a, a stop signal amplifier 103b, a changeover switch 104, an in-vehicle speaker 105, and an outside speaker 106. Changeover switch 10
4 is generally configured to select the in-vehicle speaker 105 when the door is closed in conjunction with the opening/closing of the door of the entrance/exit, and to select the external speaker 106 when the door is opened. The tape reproducing machine 102 has a track for recording an automatic tape stop signal in addition to a track for recording broadcast contents, and is configured so that the reproduction of the tape is automatically stopped at the end of the in-car guidance broadcast. The tape automatic stop signal is provided by the amplifier 103b.
The signal is amplified by and supplied to a control circuit (not particularly shown). Reference numeral 111 indicates a destination guidance broadcasting device added according to the present invention.

A destination guidance broadcasting device 111 according to the present invention includes a means 112 for extracting a destination guidance broadcasting signal from the in-vehicle guidance broadcasting device 101, a semiconductor storage means 113 for storing the destination guidance broadcasting signal extracted by the extraction means 112, and a semiconductor storage means 11.
3, and a DA converter 114 that converts the contents stored in the DA converter 114 into DA converter 114. In this example, magnetic tape 10
7 shows a case where a 7VC destination guide broadcast signal is recorded in the form of an audio signal.

Therefore, the AD converter 115 is installed before the semiconductor storage means 113.
is provided, and the content of the destination guide broadcast reproduced from the tape player 102 is AD converted and stored in the semiconductor storage means 113. The destination guide broadcast content is recorded at the beginning of the magnetic tape 107, for example, as shown in FIG.

Reference numeral 201 indicates a recording portion in which the contents of the destination guidance broadcast are recorded.

202a, 202b, 202c, . . . are parts in which the name of each stop z is recorded, and this is the content of the conventional in-train guidance broadcast.

203 is a stop signal for the magnetic tape 107.

This tape stop signal 2Q3 causes the magnetic tape 107 to stop at each stop line 204.

As explained above, the destination information broadcast is [This bus is via ΔΔ, line 00]. Please do not bring dangerous items. ” or [This bus is on the 0○ line. Please take a numbered ticket. ” etc. This destination guide broadcast content 201 is recorded at the beginning of the magnetic tape 107.
In this example, the means 112 for extracting the destination guide broadcast content 201 is a flip-flop 116 and a flip-flop 11.
Analog switch 117 controlled on/off by 6
It can be configured by flipflop 1
A write command switch 118 is connected to the set terminal S of 16, and flip-flop 116 is set by turning on the write command switch 118 instantaneously, and the analog switch 117 is controlled to be turned on by the set output. . The tape stop signal 203 output from the amplifier 3b is applied to the set terminal R of the flipflop 116.
The flip-flop 116 is reset by the second tape stop signal, and the analog switch 117 is turned off. When the analog switch 117 is turned on, the signal sent from the audio amplifier 103a to the speaker 105 or 106 is also given to the AD converter 115. Therefore, when the tape cartridge is installed in the tape player 102, the write command switch 118 is turned on instantaneously at the start of the route, and the destination guidance broadcast content 201 is played back from between the magnetic tapes.
The reproduced destination guide broadcast content 201 is transmitted to the AD converter 1
15, and the AD-converted audio information is stored in the semiconductor storage means 113.

119 is a clock oscillator, and this clock oscillator 1
The sampling circuit is activated by 19 clock pulses,
An AD conversion operation is performed.

Further, 120 is an address counter which counts the clock pulses of the clock oscillator 119 and provides the semiconductor memory means 113 with an address signal which is incremented by one address. As the semiconductor storage means 113, a readable and readable so-called RAM can be used. Furthermore, the signal acquisition circuit 112
The output of the flip-flop 116 constituting the semiconductor memory device 113 is applied to the write/read command terminal of the semiconductor memory device 113. It is possible to give commands. Further, the rising edge of the H logic output of the flip-flop 116 is applied to the reset terminal of the address counter 120 through a differentiating circuit, so that the address counter 120 is reset, and storage is started from the first address of the semiconductor storage means 113. Destination guidance broadcast content 201 from magnetic table 107
When all the tapes have been reproduced, the tape stop signal 203 is reproduced, the flip-flop 116 is set, and the analog switch 117 is controlled to be in the open state.

Therefore, at this time, the semiconductor storage means 13 is supplied with L logic from the flip-flop 116, and is controlled to be in the read state. In this example, it is assumed that the semiconductor storage means 113 is constantly repeatedly read from the first address to the last address by clock pulses from the clock oscillator 119. The readout output is converted into an analog signal by the DA converter 114, and the switch 1 operates in conjunction with the changeover switch 104, for example.
21 to the input side of the audio amplifier 103a.
Switch 122 is a switch that operates in conjunction with switches 104 and 121, and when the door opens and destination guidance begins, a reset signal is given to address counter 120 through switch 122, and semiconductor memory means 113 is given a reset signal.
is read from the first address. Storage means 113
As an example of AD conversion and DA conversion, an input audio signal is converted into a 4-bit weighted digital code, and when the conversion rate is set to 5 KHz, distinguishable voices can be reproduced.

The faster the conversion speed, the more clearly the voice can be reproduced. As explained above, according to the present invention, the content of the destination guidance broadcast is recorded only once on the in-vehicle guidance broadcast tape 107, and by reproducing the recorded one time and transferring it to the semiconductor storage means 113, the content of the destination guidance broadcast can be recorded as needed. Depending on the semiconductor storage means 1
13, the destination broadcast content can be repeatedly broadcast as many times as desired.

Therefore, there is no need to make the magnetic tape longer. Moreover, since the semiconductor storage means 113 has no moving parts, the reproduction function will not deteriorate even if it is read out many times. This increases reliability. Furthermore, the in-vehicle guidance broadcasting device 101 does not have any different parts from the conventional one, so the existing in-vehicle guidance broadcasting device can be used as is, and only the destination guidance broadcasting device 111 needs to be added, making it highly practical. FIG. 3 shows another embodiment of the invention.

This example shows a case where digitally encoded audio information is recorded on the magnetic tape 107. Therefore, the magnetic tape 107
Digitally encoded audio information is recorded as a serial pulse train. This series pulse train is transferred to the shift register 3.
01, is converted into a parallel code, and the parallel code is stored in the semiconductor storage means 113. Also, in this example, the means 11 for extracting the destination guide broadcast content 201
2 is simply configured by a switch 302.
Therefore, this switch 302 is manually operated and is turned on when the magnetic tape 107 is activated.
07 is stopped by the stop signal 203, it is only necessary to turn it off. Furthermore, in this example, the information added to the destination guide broadcast,
For example, ``Please take a numbered ticket'' or ``Please do not bring dangerous goods.''

] is stored in the ROM3O3 in advance, and the destination broadcast is read from the semiconductor memory 113, followed by the message [Please take a numbered ticket] from the ROM3O3.
This shows a case where the system is configured to broadcast a message such as "Please do not bring in dangerous goods."

[Brief explanation of drawings]

FIG. 1 is a block diagram showing one embodiment of this invention, FIG. 2 is a front view for explaining the recording state of a magnetic tape used in this invention, and FIG. 3 is a block diagram showing another embodiment of this invention. It is a diagram. 101: In-car guidance broadcasting device, 105: In-car speaker, 1
06: External speaker, 111: Destination guidance broadcasting device, 11
2: Destination guidance signal extraction means, 113: Semiconductor storage means,
114: DA conversion means, 119: clock oscillator, 12
0: Address counter.

Claims (1)

[Claims] 1. Means for extracting the destination guidance broadcast signal recorded on a part of the magnetic tape in the in-vehicle guidance broadcasting device when it is reproduced; semiconductor storage means for storing the retrieved destination guidance broadcast signal as a digital code; DA converts the digital code read from the semiconductor storage means into DA
A destination guidance broadcasting device comprising a converter.