JP3428839B2 - Display with motion sensor - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for displaying departure / arrival information of a train or the like, and more particularly to a display device integrally provided with a moving body sensor means for updating the display by detecting an entry or departure of a train or the like. The present invention relates to a display device with a moving body sensor.

[0002]

2. Description of the Related Art Conventionally, a display device of this type updates a train departure / arrival guidance display or the like by an instruction from a host or a train track condition.

[0003]

The conventional display device has the following problems.
Since the train departure / arrival guidance display is updated after the train leaves the track, the departure / arrival information for trains already running will continue to be displayed until the train leaves the track, which may confuse passengers. There are challenges.

Further, since the conventional display device updates the display based on the command from the host, there is a problem that construction is required to receive the command from the host.

The present invention has been made in order to solve the above-mentioned problems of the prior art, and its object is to equip a display device with a moving body sensor means integrally and to detect the actual movement of the train in real time. It is possible to update the display on the display without requiring any work to receive commands from the host, and to display accurate train departure / arrival information for passengers. To provide.

[0006]

In order to achieve the above object, a display device with a moving body sensor according to the present invention is provided with a moving body sensor means in the display device, and the moving body sensor means is provided with a transmitting means and a receiving means. It is characterized by detecting a train and updating the display of the display device.

In the display device with the moving body sensor according to the present invention, since the moving body sensor means is integrally provided in the display device and the moving body sensor means is provided with the transmitting means and the receiving means, the train is detected and the display is updated. The display can be updated without the need for wiring work.

[0008] In addition, with a moving body sensor display device according to the present invention, arrival and departure proposed to detect the presence or absence of a train in the flop rat Home
A first dynamic body sensor unit to update the internal display, and rows Cormorant communication means data communication between each other with the moving body sensor unit of another display device on the basis of the output of the first dynamic body sensor means It is characterized by having.

[0009] With the moving body sensor display device according to the present invention, departure guidance display by detecting the presence or absence of the train within the flop <br/> rats Home
A first dynamic body sensor means to update and a moving body sensor unit of another display device on the basis of the output of the first dynamic body sensor means
The data communication between each other since a row Cormorant communication means, together with the incoming line and departure of the train can be reliably detected to false indications of prevention, the need for wiring work to update the display You can update the display of train entry and departure without.

Furthermore, the present invention with the moving body sensor display device according to the distance and speed of the train and the train and the display device to depart from the train and the distance train speed of the display device or platform, that the incoming line to the plat- home And a second moving body sensor means for measuring and.

[0011] With the moving body sensor display device according to the present invention, the distance between the train and the display device for the input line to the flop <br/> rats Home
And trains that depart from the train speed or platform,
Since the second moving body sensor means for measuring the distance from the display device and the speed of the train is provided, the wiring work for detecting the approach to the platform of the train, the entry, the stop and the departure of the train and updating the display can be performed. Real-time display is possible by updating the display of approaching trains, entry lines, stops and departures without the need.

The display device with a moving body sensor according to the present invention is based on the first moving body sensor means, the second moving body sensor means, and the outputs of the first moving body sensor means and the second moving body sensor means. characterized in that the data communication between the moving body sensor display device with each other and a row cormorant communication means.

A display device with a moving body sensor according to the present invention comprises a first moving body sensor means, a second moving body sensor means, and a first moving body sensor means.
And the communication means for performing data communication between the display devices with the moving body sensor based on the outputs of the moving body sensor means and the second moving body sensor means, the approach to the platform of the train, the entry, the stop and the It is possible to reliably detect the departure and prevent erroneous display, and update the display of approaching trains, entering lines, stops and departures in real time without requiring wiring work for updating the display.

Further, the display device with a moving body sensor according to the present invention has a first ultrasonic wave transmitting means and an ultrasonic wave receiving means.
The moving body sensor means, the second moving body sensor means, and the communication means are provided.

[0015] With the moving body sensor display device according to the present invention includes a first body sensor means having ultrasonic <br/> wave transmitting means and ultrasonic receiving means, the second moving body sensor means, and communication means Therefore, it is not affected by light, and it is possible to reliably detect the approach to the platform of the train, the entry, the stop and the departure of the train even under wind and rain and wind and snow, and to prevent the erroneous display and update the display. Approaching trains without the need for wiring work,
Real-time display is possible by updating the display of incoming lines, stops and departures.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a diagram illustrating the use of a display device with a moving body sensor according to the present invention. In FIG. 1, a display device 1 with a moving body sensor includes a moving body sensor means 2 and a display device 3.
Consists of.

The moving object sensor-equipped display device 1 has the moving object sensor means 2 attached to the display device 3 and is installed at a height lower than the roof of the train 50 in the platform 51 as shown in FIG. The arrival / departure guidance display is updated by detecting entry / stop of 50 and departure.

FIG. 2 is a diagram for explaining the use of the moving body sensor means of the display device with a moving body sensor according to the present invention. As shown in FIG. 2, the first moving body sensor means 2A attached to the display device 3 are arranged along the platform 51 as a plurality of {2A (1), 2
A (2), ~ 2A (n)} are installed, each of the first moving body sensor means 2A is provided with a transmitting means and a receiving means for detecting the entrance and departure of the train 50, and the arrival and departure guidance of the display device 3. Update the display.

FIG. 3 is a block diagram of the essential parts of a display device with a moving body sensor according to the present invention. Display with moving body sensor 1
Includes a moving body sensor unit 2 including a transmitting unit 4 and a receiving unit 5, and a display device 3 including a display control unit 6 and a display unit 7.

The transmitting means 4 of the moving body sensor means 2 has a transmitting transducer, and radiates a transmission signal So of radio wave, light or ultrasonic wave into the air from the transmitting transducer.

The receiving means 5 of the moving body sensor means 2 has a receiving transducer, receives the reception signal Si of radio wave, light or ultrasonic wave by the receiving transducer and converts it into an electric signal, and the converted electric signal. Is output to the display device 3.

The display control means 6 of the display device 3 outputs to the display means 7 a control signal S6 for controlling the information displayed on the display means 7 based on the moving body sensor signal S5 inputted from the receiving means 5.

The display means 7 of the display device 3 displays departure / arrival guidance or the like based on the control signal S6 input from the display control means 6.

FIG. 4 is a block diagram of the essential parts of the first moving body sensor means according to the present invention. In FIG. 4, the first moving body sensor means 2A includes a transmitting means 4A and a receiving means 5A. FIG. 5 is an operation explanatory view of the first moving body sensor means according to the present invention. The operation of the first moving body sensor means 2A will be described with reference to FIGS.

Transmission means 4A of the first moving body sensor means 2A
Includes a timing pulse generating means 10, a tone burst generating means 11, an amplifying means 12 and an ultrasonic wave transmitter 13.

Receiving means 5A of the first moving body sensor means 2A
Includes an ultrasonic wave receiver 14, an amplifying means 15, and a signal processing means 8. The signal processing means 8 comprises a bandpass filter (BPF) 16, a pulsing means 17, a window pulse generating means 18, a logical product means (AND) 19 and a majority decision means 20.

The timing pulse generating means 10 is shown in FIG.
A timing pulse S10 for controlling the burst cycle and burst width shown in (1) is generated, and the timing pulse S10 is output to the tone burst generating means 11.

The tone burst generating means 11 determines the ultrasonic frequency (f) shown in FIG. 5 (2) based on the timing pulse S10.
The tone burst signal S11 obtained by generating the tone burst of u) is output to the amplifying means 12.

The amplification means 12 has a tone burst signal S11.
The tone burst amplified signal S12 obtained by amplifying is output to the ultrasonic wave transmitter 13. The ultrasonic wave transmitter 13 radiates an ultrasonic wave transmission signal Soa obtained by converting the electric signal of the tone burst amplified signal S12 into an ultrasonic wave in a direction substantially perpendicular to the side surface of the train 50.

The ultrasonic wave receiver 14 receives the ultrasonic wave reception signal Sia which is a reflected wave of the ultrasonic wave transmission signal Soa radiated in the air from the ultrasonic wave transmitter 13 and converts it into an electric signal to obtain it. The received signal S14 is output to the amplification means 15.

The amplifying means 15 outputs the amplified signal S15 obtained by amplifying the received signal S14 to the BPF 16. BPF16
Outputs to the pulsing means 17 the BPF signal S16 shown in FIG. 5 (3) obtained by extracting the frequency component (fu) of the tone burst signal S11 of the transmitting means 4A from the amplified signal S15.

The pulsing means 17 compares the BPF signal S16 with the threshold value Vs as shown in FIG. 5 (3) and outputs the pulsed signal S17 shown in FIG. 5 (4) to the AND means 19.

The window pulse generating means 18 is based on the timing pulse S10 from the timing pulse generating means 10 of the transmitting means 4A, and the window pulse S1 shown in FIG. 5 (5).
8 is output to the AND means 19.

The AND means 19 performs the logical product operation of the pulsed signal S17 and the window pulse S18 to remove the noise mixed in the pulsed signal S17.
The signal S19 is output to the majority decision means 20.

Ultrasonic waves (So, Si) are transmitted through the air in about 340
Since the ultrasonic wave is propagated at (m / s), the ultrasonic wave transmission signal So emitted from the ultrasonic wave transmitter 12 hits the object to be detected (train 50) and is reflected and received by the ultrasonic wave receiver 13. The sound wave reception signal Si has a time delay (propagation delay) determined by the propagation distance.

As shown in FIGS. 1 and 2, the distance between the first moving body sensor means 2 (2A) integrally attached to the display device 3 in the platform 51 and the train 50 in the platform 51 is substantially constant. Therefore, the propagation delay of the ultrasonic wave reception signal Si for detecting the presence or absence of the train 50 has a substantially constant value. The window pulse generator 18 has a window pulse S having a specific time delay with respect to the timing pulse S10.
18 pulse generation signal S17 and window pulse S18
By performing a logical product operation with and, it is possible to receive only the ultrasonic wave reception signal Si of a specific propagation distance and remove the ultrasonic wave reception signal Si of other propagation distances.

The majority decision means 20 performs a majority decision operation on the AND signal S19 and outputs the resulting majority decision signal S20 to the display control means 6 of the display device 3.

FIG. 6 is a view for explaining the operation of using the first moving body sensor means according to the present invention. As shown in FIG. 2, the first moving body sensor means 2A attached to the display device 3 are arranged along the platform 51 as a plurality of {2A (1), 2A (2), ~ 2A.
(n)} It is installed.

When the train 50 enters the platform 51, the first motion sensor means 2A (1) detects the train 50 at the time t (1) shown in FIG. Outputs S20 (1). The first moving body sensor means 2A (2) is
At time t (2) shown in FIG. 6 (2), the train 50 is detected and the logical value is 1
And outputs a majority decision signal S20 (2).

When the train 50 enters the platform 51, a plurality of first trains installed on the platform 51
Moving body sensor means {2A (1), 2A (2), ~ 2A (n)} sequentially detect the train 50 and output a majority signal S20 of logical value 1. The first moving body sensor means 2A (1) is the train 50
The first moving body sensor means 2A is detected by detecting the incoming line at time t (1).
(1) The display device 3A (1) (not shown) displays the incoming line information of the train 50, and then the first moving body sensor means 2A (2) displays the train 5
A display device 3A (not shown) that detects an incoming line of 0 at time t (2)
The line-in information of the train 50 can be displayed in (2), and the line-in information of the train 50 can be displayed on the display device 3A by sequentially detecting the line-in information of the train 50 in this way.

When the train 50 is stopped on the platform 51, the first motion sensor means {2A (1), 2
All of A (2), ~ 2A (n)} continue to detect the train 50, maintain the majority signal S20 of logical value 1 and display devices {3A (1), 3A (2), ~ 3A (not shown). The entry line information of the train 50 can be displayed in (n)}.

When the train 50 leaves the platform 51 in the direction opposite to the line-in direction, the first moving body sensor means {2A (n) to 2A (2), 2A (1) are opposite to the case of the line-in. } Sequentially outputs a majority signal S20 having a logical value of 1 to a logical value of 0 as the train 50 passes.

Time t (Tn) when the majority decision signal S20 of the first moving body sensor means 2A (n) switches from the logical value 1 to the logical value 0.
To detect the departure of the train 50 and display the train 50 on the display device 3A (n).
The departure information of the train 50 can be displayed on the display devices {3A (n) to 3A (1)} by sequentially detecting departure information of the train 50. The time t (T1) when the majority decision signal S20 of the first moving body sensor means 2A (1) switches from the logical value 1 to the logical value 0 is the time when the train 50 almost exits the platform 51.

As described above, the display device 1 with a moving body sensor
The first moving body sensor means 2A includes a timing pulse generating means 10, a tone burst generating means 11, an amplifying means 12,
Ultrasonic wave transmitter 13, ultrasonic wave receiver 14, amplifying means 15,
The display device 3 is provided with a BPF 16, a pulsing means 17, a wind pulse generating means 18, an AND means 19, and a majority decision means 20, and surely detects the presence or absence of a train without requiring wiring work for updating the display. The display of can be updated.

FIG. 7 is a schematic view of a moving body sensor means having a first moving body sensor means, a second moving body sensor means and a communication means according to the present invention. In FIG. 7, the moving body sensor means 2 comprises a first moving body sensor means 2A, a second moving body sensor means (2C, 2D), and a communication means 2B.

The first moving body sensor means 2A comprises an ultrasonic wave transmitting means 4A and an ultrasonic wave receiving means 5A, and emits an ultrasonic wave transmission signal Soa in a direction substantially perpendicular to the side surface of the train 50.
The ultrasonic wave reception signal Sia which is the reflected wave is received to detect the presence or absence of the train 50 in the platform 51.

The communication means 2B is the first moving body sensor means 2A.
Also, data communication between the display devices 1 with moving body sensors is performed based on the output of the second moving body sensor means (2C, 2D).

The second moving body sensor means (2C, 2D) is provided with an ultrasonic wave transmitting means 4C and an ultrasonic wave receiving means 5C, which will be described later, and transmits the ultrasonic wave in a substantially line-in direction of the train 50 or a substantially departure (passing) direction. A signal Soc (Sod) is radiated, an ultrasonic wave reception signal Sic (Sid) that is a reflected wave thereof is received, the speed of the train 50 is measured, and the train 50 approaches the platform 51, and the train 50 within the platform 51. Passage of the train, stop of the train 50 in the platform 51, etc. are detected.

FIG. 8 is a block diagram of the essential parts of the communication means according to the present invention. In FIG. 8, the communication unit 2B includes an ultrasonic wave transmitting unit 4B, an ultrasonic wave receiving unit 5B, and a communication control unit 30.

The ultrasonic wave transmitting means 4B comprises an encoding means 31,
Carrier wave generation means 32, amplification means 33, ultrasonic wave transmitter 34
With. The ultrasonic wave receiving means 5B is the ultrasonic wave receiver 3
5, an amplifying means 36, a BPF 37, a pulse converting means 38, an error correcting means 39, and a decoding means 40.

The communication control means 30 is a moving body sensor means 2A.
A communication signal S30a and a control signal S30b are generated based on the majority decision signal S20, the speed / distance signal S47 of the moving body sensor means 2C described later, and the decoded signal S40 of the decoding means 40, and the communication signal S30a is encoded. At 31, the control signal S30b is output to the display device 3.

The encoding means 31 generates the transmission code S31 shown in FIG. 9 which is suitable for the use environment of the moving body sensor means 2A and the moving body sensor means 2 (2C, 2D), and transmits the transmission code S31 to the carrier wave generating means 32. Output.

FIG. 9 shows the format of the transmission code S31. The transmission code S31 includes a synchronization code Ch, an instruction code Cc, data Dt, an error correction code Ec, and an end code Eob.

The synchronization code Ch is a code for synchronizing when the transmission code S31 is fetched. The instruction code Cc is
It is a code for instructing the type of the data Dt and what kind of processing is to be performed on the data Dt by the display device with a motion sensor {1 (1) to 1 (n)}. The data Dt includes the majority decision signal S20 of the moving body sensor means 2A and the moving body sensor means (2
C, 2D) speed / distance signal S47.

The error correction code Ec is a code for detecting an error mixed in the instruction code Cc and the data Dt and correcting the error. The end code Eob is a code indicating the end of the transmission code S31 when the transmission code S31 is fetched.

As described above, the display device 1 with a moving body sensor is
First moving object sensor means 2A, encoding means 31, carrier wave generating means 32, amplifying means 33, ultrasonic wave transmitter 34, ultrasonic wave receiver 35, amplifying means 36, BPF 37, pulse converting means 38, error correction A display device provided with a communication means 2B including a means 39, a decryption means 40, and a communication control means 30, and surely detecting the presence or absence of train entry and departure without requiring wiring work for updating the display. The display of 3 can be updated.

FIG. 10 is a block diagram of the essential parts of the second moving body sensor means according to the present invention. In FIG. 10, the second moving body sensor means 2C includes an ultrasonic wave transmitting means 4C and an ultrasonic wave receiving means 5C.

The ultrasonic wave transmitting means 4C comprises an M-sequence pulse generating means 48, a modulating means 41, an amplifying means 42, and an ultrasonic wave transmitter 43. The ultrasonic wave reception means 5C includes an ultrasonic wave receiver 44, an amplification means 45, a demodulation means 46, and a speed calculation means 47.
Consists of.

The M-sequence pulse generating means 48 modulates the M-sequence pulse code S48, which is an M-sequence random pulse, with the modulating means 4
Output to 1. The modulation means 41 uses the M-sequence pulse code S48.
The M-sequence modulated signal S41 obtained by generating a carrier wave of ultrasonic frequency (fu) is output to the amplification means 42.

The amplifying means 42 amplifies the M-sequence modulated signal S41 and obtains the M-sequence modulated amplified signal S42 by the ultrasonic wave transmitter 43.
Output to. The ultrasonic wave transmitter 43 radiates an ultrasonic wave transmission signal Soc obtained by converting the electric signal of the modulated amplified signal S42 into an ultrasonic wave in a substantially incoming line direction of the train 50 or a substantially departure (passing) direction.

The ultrasonic wave receiver 44 receives the ultrasonic wave reception signal Sic, which is a reflected wave of the ultrasonic wave transmission signal Soc radiated in the air from the ultrasonic wave transmitter 43, and converts it into an electric signal. The received signal S44 is output to the amplification means 45.

The amplifying means 45 outputs the amplified signal S45 obtained by amplifying the received signal S44 to the demodulating means 46. The demodulation means 46 uses the M-sequence pulse code S transmitted from the amplified signal S45.
The demodulation M sequence code S46 obtained by demodulating 48 is the speed calculation means 4
Output to 7.

The ultrasonic wave transmission signal Soc radiated from the ultrasonic wave transmitter 43 is reflected by the train 50 which enters or leaves (passes) the train, and the ultrasonic wave reception signal Sic has a Doppler shift proportional to the speed of the train 50. receive.

The speed calculation means 47 calculates the speed and distance of the train 50 by calculating the demodulated M-sequence code S46 that has undergone the Doppler shift, and obtains the speed / distance signal S47 obtained by the communication control means of the communication means 2B. Output to 30. Ultrasonic signal (Soc, Si
By using the M-sequence modulated signal in c), distance resolution can be obtained and strong velocity measurement due to noise can be performed.

In this way, the second moving body sensor means 2C
(2D) is an M-sequence pulse generation means 48 and a modulation means 4
1, amplification means 42, ultrasonic wave transmitter 43, ultrasonic wave receiver 4
4, the amplification means 45, the demodulation means 46, and the speed calculation means 47 are provided, and the speed of the train 50 when the train 50 approaches the platform, enters the line, or departs (passes) can be accurately measured.

FIG. 11 shows a display device with a moving body sensor, which includes a first moving body sensor means, a communication means and a second moving body sensor means according to the present invention, and a communication with the first moving body sensor means according to the present invention. FIG. 6 is a use explanatory diagram of a moving object sensor-equipped display device including means. In FIG. 11, display devices with moving object sensors {1 (1) to 1 (6)} are sequentially arranged on the platform 51 in the train entry direction.

First moving body sensor means 2A (1) and communication means 2
The moving object sensor-equipped display device 1 (1) including the B (1) and the second moving object sensor unit 2C is arranged at the head in the line-in direction of the train 50.

Further, the moving object sensor-equipped display device 1 (6) including the first moving object sensor means 2A (6), the communication means 2B (6), and the second moving object sensor means 2D is used in the direction in which the train 50 enters. Will be placed at the end.

Display with moving object sensor {1 (2) to 1 (5)}
Each include a first moving body sensor means 2A and a communication means 2B.

FIG. 12 is an operation explanatory view of the first moving body sensor means according to the present invention. FIG. 12 shows the train 50 shown in FIG.
Shows the majority decision signals {S20 (1) to S20 (6)} of the first moving body sensor means {2A (1) to 2A (6)} when the vehicle enters, stops, and leaves the platform 51.

When the train 50 approaches the platform 51, the speed of the train 50 is measured by the second moving body sensor means 2C of the moving body sensor-equipped display device 1 (1), and the speed / distance signal S47 is transmitted to the communication means 2B ( Output to the communication control means 30 of 1).
The communication means 2B (1) detects the approach of the train 50 by the speed / distance signal S47 from the second moving body sensor means 2C and outputs the control signal S30b to the display device 3 of the moving body sensor display device 1 (1). Then, a display for informing the approaching of the train 50 is displayed, and further the approaching of the train 50 is communicated to the display device with moving object sensor {1 (2) to 1 (6)}.

Display with moving object sensor {1 (2) to 1 (6)}
Displays on each display device 3 all at once indicating the approach of the train 50.

When the train 50 enters the platform 51, the train 50 is first entered by the first moving body sensor means 2A (1) of the moving body sensor display device 1 (1) at time t in FIG.
Detected in (1), the majority decision signal S20 (1) is output to the communication control means 30 of the communication means 2B (1).

The communication means 2B (1) detects the entry of the train 50 by the majority decision signal S20 (1) from the first moving body sensor means 2A and controls the display device 3 of the moving body sensor attached display device 1 (1). A signal S30b is output to display on the display device 3 that the train 50 is passing, and a display device with a moving object sensor {1 (2)
~ 1 (6)} communicates the incoming line of the train 50. The moving object sensor-equipped display devices {1 (2) to 1 (6)} display on each of the display devices 3 all at once to notify that the train 50 has entered the line.

The first moving body sensor means {2A (2) to 2A (5)} of the moving body sensor-equipped display device {1 (2) to 1 (5)} is the train 50.
The passage of the train 50 is detected in the order of time t (2) to time t (5) shown in FIG.
Is output to the communication control means 30 of each communication means 2B.

When the train 50 enters the line and stops, the majority signal {S20 (2) to S20 (5) of the first moving object sensor means {2A (2) to 2A (5)} detecting the presence or absence of the train 50 is detected. } Are all in FIG.
A logical value of 1 is output as shown in 2. Even if the majority signal S20 of the first moving body sensor means 2A (3) or the first moving body sensor means 2A (4) outputs a logical value of 0 for some reason, the mutual relation is generated via the communication means 2B. A judgment is made and the majority signal S20 is corrected to a logical value 1.

The communication means {2B (2) to 2B (5)} uses the majority decision signal S20 from each first moving body sensor means 2A to send the train 5
When the passage of 0 is detected, the control signal S30b is output to the display device 3 of each display device 1 with a moving body sensor to display on the display device 3 that the train 50 is passing, and the communication means
{2B (1) to 2B (5)} communicate with each other to display train information on the respective display devices 3 at the rear time.

The speed of the train 50 is measured by the second moving body sensor means 2D of the display device with a moving body sensor 1 (6), and the speed / distance signal S47 is output to the communication control means 30 of the communication means 2B (6). The communication means 2B (6) detects the stop of the train 50 by the speed / distance signal S47 from the second moving body sensor means 2D and outputs the control signal S30b to the display device 3 of the moving body sensor attached display device 1 (6). Then, a display for notifying the stop of the train 50 is displayed, and further, the stop of the train 50 is communicated to the display device with moving object sensor {1 (1) to 1 (5)}.

Display with moving object sensor {1 (1) to 1 (5)}
Displays on each display device 3 all at once indicating that the train 50 is stopped.

The operation of the moving object sensor-equipped display device {1 (1) to 1 (6)} when the train 50 departs is the reverse operation when the train 50 enters the line and stops.

As described above, the display device 1 with a moving body sensor
First moving body sensor means 2A, communication means 2B, M-sequence pulse generating means 48, modulating means 41, amplifying means 42, ultrasonic wave transmitter 43, ultrasonic wave receiver 44, amplifying means 45, demodulating means 46. And second moving body sensor means 2C (2D) consisting of the speed calculation means 47, which reliably detects the train entry, stop, departure and stop positions without the need for wiring work to update the display. The display of the display device 3 can be updated.

Further, the display device with a moving body sensor {1 (2) to 1
(6)} can communicate with each other and know the data between them, so that it is possible to prevent erroneous display of the display device 3 from the data relationship between the individual moving body sensors against malfunction or malfunction. .

The above embodiment is an example of the present invention, and the present invention is not limited to the above embodiment.

[0084]

The present invention has the following effects due to the above configuration. According to the present invention, the display device is integrally provided with the moving body sensor means, and the moving body sensor means is provided with the transmitting means and the receiving means. The moving body sensor means detects the train in real time without requiring wiring work for updating the display. Since the display can be updated, accurate train departure / arrival information can be displayed to passengers,
It is also possible to provide an economical display device with a motion sensor.

[0085] Also, with the moving body sensor display <br/> according to the present invention includes a first <br/> body sensor means for detecting the presence or absence of the train within the plat- home, and trains to the incoming line to the platform table
A second moving body sensor means for measuring the distance to the display device and the speed of the train , or the distance between the train departing from the platform and the display device and the speed of the train, and entering or stopping the train. Since the departure and departure can be displayed in real time, it is possible to provide an accurate and highly reliable display device with a moving body sensor.

Furthermore, a display device with a moving body sensor according to the present invention.
Location is the first to detect the presence or absence of a train in the flop rat home 1
Of a moving body sensor means, and a row Cormorant communication means data communication between the moving body sensor means mutually on the basis of the output of the first moving body sensor means, false indications of reliably detecting the incoming and departure of the train In addition to being able to prevent, the display of train entry and departure can be updated without requiring wiring work for updating the display, so that it is possible to provide a highly reliable and economical display device with a motion sensor. it can.

[0087] The distance of the display device <br/>-equipped body sensor according to the present invention, a train and a display device for departure train distance and velocity of the incoming lines to the plat- home or from the platform,
And a second moving body sensor means for measuring the speed of the train and the approach of the train without the need for wiring work to detect the approach to the platform of the train, the entry, stop and departure of the train and update the display. Since the display of entry, stop, and departure can be updated and displayed in real time, an accurate and economical display device with a motion sensor can be provided.

Further, the display device with a moving body sensor according to the present invention is based on the outputs of the first moving body sensor means, the second moving body sensor means, the first moving body sensor means and the second moving body sensor means. Equipped with communication means to perform data communication between display devices with motion sensors, it is possible to reliably detect approaching trains to platforms, entering lines, stops and departures to prevent erroneous displays and update displays. You can update the display of approaching trains, entering lines, stops and departures in real time without the need for wiring work.
It is possible to provide a precise, highly reliable, and economical display device with a motion sensor.

The display device with a moving body sensor according to the present invention has a first ultrasonic wave transmitting means and an ultrasonic wave receiving means.
The moving body sensor means, the second moving body sensor means, and the communication means are provided, and the approach of the train to the platform, the entry, the stop, and the departure of the train can be ensured without being affected by light, even under wind, rain, and snow. It can detect and prevent erroneous display, and approach trains without requiring wiring work to update the display.
Since the display of entry, stop, and departure can be updated and displayed in real time, it is possible to provide a highly reliable display device with a moving body sensor, which has excellent environmental resistance characteristics.

Therefore, it is possible to provide a display device with a moving body sensor, which enables the passengers to accurately display train departure / arrival information, is economical, is accurate, has high reliability, and is excellent in environmental resistance.

[Brief description of drawings]

FIG. 1 is an explanatory view of use of a display device with a moving body sensor according to the present invention.

FIG. 2 is an explanatory view of use of a moving body sensor means of the display device with a moving body sensor according to the present invention.

FIG. 3 is a block diagram of a main part of a display device with a moving body sensor according to the present invention.

FIG. 4 is a block diagram of a main part of a first moving body sensor unit according to the present invention.

FIG. 5 is an operation explanatory view of the first moving body sensor means according to the present invention.

FIG. 6 is an explanatory view of the operation of using the first moving body sensor means according to the present invention.

FIG. 7 is a schematic view of a moving body sensor means including a first moving body sensor means, a second moving body sensor means and a communication means according to the present invention.

FIG. 8 is a block diagram of a main part of a communication unit according to the present invention.

FIG. 9 is a format of transmission code S31

FIG. 10 is a block diagram of the essential parts of a second moving body sensor means according to the present invention.

FIG. 11 shows a display device with a moving body sensor including a first moving body sensor means, a communication means, and a second moving body sensor means according to the present invention; and a first moving body sensor means and a communication means according to the present invention. Illustration of use with a display device equipped with a motion sensor

FIG. 12 is an operation explanatory view of the first moving body sensor means according to the present invention.

[Explanation of symbols]

1, 1 (1), 1 (2), 1 (3), 1 (4), 1 (5), 1 (6) ... Display device with moving body sensor, 2 ... Moving body sensor means, 2A, 2A
(1), 2A (2), 2A (n) ... First moving body sensor means, 2B, 2
B (2) to 2B (5) ... Communication means, 2C, 2D ... Second moving body sensor means, 3, 3A (1), 3A (2), 3A (n) ... Display device, 4 ... Transmission means, 4A , 4B, 4C ... Ultrasonic wave transmitting means, 5 ... Receiving means, 5A, 5B, 5C ... Ultrasonic wave receiving means, 6 ... Display control means, 7 ... Display means, 8 ... Signal processing means, 10 ... Timing pulse generating means, 11 ... Tone burst generating means, 1
2, 15, 33, 36, 42, 45 ... Amplifying means, 13,
34, 43 ... Ultrasonic wave transmitter, 14, 35, 44 ... Ultrasonic wave receiver, 16, 37 ... BPF, 17 ... Pulsing means, 1
8 ... Wind pulse generation means, 19 ... AND, 20 ... Majority decision means, 30 ... Communication control means, 31 ... Encoding means, 3
2 ... Carrier generation means, 38 ... Pulsing means, 39 ... Error correction means, 40 ... Decoding means, 41 ... Modulation means, 46 ... Demodulation means, 47 ... Velocity calculation means, 48 ... M series pulse generation means, 50 ... Train , 51 ... Platform, Cc ... Command code, Ch ... Sync code, Dt ... Data, Ec ... Error correction code, Eob ... End code, fu ... Ultrasonic frequency, S5 ... Motion sensor signal, S6 ... Control signal, S10 ... Timing pulse,
S11 ... Tone burst signal, S12 ... Tone burst amplified signal, S14 ... Received signal, S15 ... Amplified signal, S16 ... BPF
Signal, S17 ... pulsed signal, S18 ... window pulse, S
19 ... AND signal, S20, S20 (1) to S20 (6) ... Majority decision signal, S30a ... Communication signal, S30b ... Control signal, S31 ... Transmission code, S40 ... Decoded signal, S41 ... M series modulated signal, S42 ... M
Sequence-modulated amplified signal, S44 ... Received signal, S45 ... Amplified signal,
S46 ... Demodulation M sequence code, S47 ... Velocity / distance signal, S48 ...
M-sequence pulse code, Si ... Received signal, Sia, Sia (1) to S
ia (n), Sic, Sid ... ultrasonic reception signal, So ... transmission signal,
Soa, Soa (1) to Soa (n), Soc, Sod ... ultrasonic transmission signal, t (1) to t (6), t (T1) to t (Tn) ... time, Vs ... threshold value.

Claims (2)

(57) [Claims] 1. A small number of visually displaying train departure / arrival information
In at least two display devices, the display device detects the train and updates the departure / arrival guidance display.
The first moving body sensor means and the other display device
A communication hand for communicating the detection information of the first moving body sensor means.
A step is integrally provided, and the first moving body sensor means outputs a signal for detecting the train.
The radiating transmitting means and the train radiated from this transmitting means
Detects the train by receiving the reflected waves reflected from the train
The receiving means detects the train, and the communication means integrated with the display device causes another display device to operate.
Communication with the communication means integrated with
And the departure of the vehicle are detected, and the guide display is updated.
Display device with moving body sensor. 2. The train and the front of the line entering the platform
The distance to the display device and the speed of the train, or the
Distance between the train departing from the platform and the display device
Second moving body sensor for measuring distance and speed of the train
Means for communicating with the other display device with respect to the first motion.
Body sensor means and detection information of the second moving body sensor means
A contract characterized by communicating information and updating the guidance display
The display device with a moving body sensor according to claim 1.