JP3008747B2 - Railroad crossing rod shooting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railroad crossing which, when detecting the entry of a moving object to a railroad crossing, detects the crossing rod at the center and reproduces the image to analyze the breakage of the railroad crossing rod. The present invention relates to a blocking rod photographing device.

[0002]

2. Description of the Related Art FIG. 4 is a block diagram showing the structure of a conventional crossing rod photographing device. In FIG. 4, the railroad crossing blocking rod photographing device is connected to the television camera 1 that outputs a video signal that is captured around a railroad crossing blocking rod, and is used for intermittent recording, that is, long-time recording. And a time-lapse video tape recorder (VTR) 2. A video tape 3 for recording the intermittent video from the television camera 1 with the time-lapse VTR 2; a monitor television 4 connected to the time-lapse VTR 2 for monitoring the imaging of the television camera 1; have.

Next, the operation of this conventional example will be described. A video signal captured by the television camera 1 around the railroad crossing rod is output to the time-lapse VTR 2,
The video is intermittently recorded on the video tape 3 by the time lapse VTR 2. The state of the railroad crossing blocking rod recorded on the video tape 3 is reproduced by the time lapse VTR 2, and the reproduced video signal is output to the monitor television 4 and projected.

[0004]

However, in the conventional railroad crossing blocking rod photographing apparatus, the photographed video is recorded, and further reproduced and projected, so that the cause of breakage of the railroad crossing blocking rod can be analyzed. It is difficult to obtain a clear high-resolution image, and it is difficult to obtain a clear image at night due to insufficient lighting. In addition, intermittent recording is performed on the video tape 3 for a long time, for example, 120 minutes including an image unnecessary for cause analysis, and it takes a lot of time to reproduce and check the video. Furthermore, when the video tape 3 is replaced or during rewinding for playback, recording cannot be performed, and when the recorded video tape 3 is played back and confirmed at a place other than the installation location, the playback is performed together with the transport of the video tape 3. A new time-lapse VTR and monitor television at the location will be required. Further, in order to reproduce the recording, the same number of monitor televisions as the number of time-lapse VTRs are required. Therefore, it is difficult to obtain a high-resolution image, and further, it is inconvenient to use, and there is a disadvantage that the scale of the apparatus is increased.

[0005] The present invention solves such a conventional problem. Even at night, it is possible to accumulate only the latest images necessary for analyzing the cause of breakage of a breaking rod or the like at a sharp resolution and to keep a fixed image at a railroad crossing. Accumulates only images of moving objects that have entered for more than an hour, and accumulates and projects images near or at a railroad crossing or at a remote location. It is an object of the present invention to provide an excellent railroad crossing rod photographing apparatus capable of reducing the size of a railroad crossing.

[0006]

According to one aspect of the present invention, there is provided a photographing apparatus for a crossing-blocking rod according to the first aspect of the present invention, comprising: a timing signal output means for outputting a drive timing signal for closing at least a crossing-blocking rod; A sensor that outputs a detection signal that detects a moving object that enters the inside, a photographing unit that photographs the level crossing blocking rod based on the drive timing signal and the detection signal, and illuminates the level crossing rod based on the drive timing signal and the detection signal. An A / D converter for digitizing a video signal from the photographing unit, a storage unit for storing and storing the digitized video signal, and an operation of reading the video data stored in the storage unit. Operating means for displaying the video data read from the storage means. Claim 2
The crossing rod photographing device according to the invention described in claim 1 is a memory device according to claim 1.
As the stage, the storage of video data has reached the maximum storage capacity.
The video data in the storage area that was stored first
And the storage has reached the maximum storage capacity.
If not, store video data in a free storage area
We adopt what we do. The railroad crossing shield of the invention according to claim 3
The storage means according to claim 1, wherein the storage means is driven.
Time of the switching signal and the detection signal exceed a predetermined time.
That accumulates video signals from shooting means only when
And

[0007]

According to a fourth aspect of the present invention, there is provided a photographing apparatus for photographing a level crossing block, which accumulates and reproduces video data obtained by photographing a level crossing block rod, and which is connected to the photographed image storage / reproducing apparatus for accumulation. A video storage and playback device for reading and displaying the captured video data, the captured video storage and playback device detects at least a timing signal output means for outputting a drive timing signal for closing a railroad crossing blocking rod, and detects a moving object entering the railroad crossing A sensor that outputs a detected detection signal, a photographing unit that photographs the level crossing blocking rod based on the driving timing signal and the detection signal, a light emitting unit that illuminates the level crossing blocking rod based on the driving timing signal and the detection signal, and a photographing unit. a / D converting means for digitizing a video signal, a first storage means for storing accumulated digital video signal, first memory hand Operating means for performing an operation of reading the video data stored in the first storage means, and first video display means for displaying the video data read from the first storage means. Instruction means for instructing reading and reproduction of the video data stored in the means, transmitting an instruction signal from the instruction means, and reading the video data stored in the first storage means when instructed; Transmission processing means for transmitting to the video storage / playback apparatus, and second storage for storing video data transmitted from the photographed video storage / playback apparatus and outputting the stored video data when playback is instructed by the instruction means Means, and a second image display means for displaying an image according to an instruction from the instruction means.

According to a fifth aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus for storing video data obtained by photographing a railroad crossing rod, and reading out the stored video data connected to the captured video storage apparatus. A photographing image accumulating device, wherein the photographed image accumulating device outputs at least a timing signal output means for outputting a drive timing signal for closing the level crossing blocking rod, and a sensor for outputting a detection signal for detecting a moving object entering the level crossing When a photographing means for photographing on the basis of crossing blocking rod to the drive timing signal and detection signal, a light emitting means for illuminating based crossing blocking rod to the drive timing signal and detection signal, a digital video signal from the imaging means <br A / D conversion means for converting the video signal into digital data and first storage means for storing and storing the digitized video signal. Instruction means for instructing reading and reproduction of the video data stored in the storage means, and transmitting an instruction signal from the instruction means, and reading the video data stored in the first storage means when instructed, A transmission processing unit for transmitting the video data to the video storage / reproducing apparatus; and a second processing unit for storing the video data transmitted from the captured video storage apparatus and outputting the stored video data when the reproduction is instructed by the instruction unit.
Storage means, film begins to movies and video by an instruction from the instruction means
And an image display means.

[0010]

With such a configuration, in the railroad crossing blocking rod photographing apparatus according to the first aspect, at least the video signal obtained by illuminating the railroad crossing blocking rod based on the drive timing signal and the detection signal is stored, and then read out. Shows video data. Therefore, even at night, only the latest video necessary for analyzing the cause of breakage of a breaking rod or the like is stored with a clear resolution.

According to a second aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
When the storage reaches the maximum storage capacity, the video data in the storage area that is stored first is erased and stored. Therefore, only the latest video necessary for the cause analysis such as breakage of the blocking rod is circulated and stored.

According to a third aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
If the time of the detection signal exceeds a predetermined time,
That is, the video is accumulated only when the moving body that has entered the railroad crossing exceeds a certain time. Therefore, video is stored for a long time.

According to a fourth aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
The video data obtained by photographing the railroad crossing rod is stored, reproduced, and projected, and the video data stored by a video storage / playback device installed at a remote location, for example, a distant location, is read and projected. Therefore, it is possible to accumulate and project an image near or at a railroad crossing and / or at a remote place.

According to a fifth aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
Video data obtained by photographing a railroad crossing rod is stored, and video data stored by a video storage / playback device installed at a distant place, that is, a distant place, is read and projected. As a result, the video is accumulated and projected only in a remote place, and the signal processing scale and the apparatus scale are reduced.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of a railroad crossing rod photographing apparatus according to the present invention. FIG. 1 is a block diagram showing a configuration of an embodiment of a railroad crossing blocking rod photographing apparatus according to the present invention. In FIG. 1, a timing signal output circuit 11 receives a drive signal of a railroad crossing-blocking rod and sends a timing signal when the railroad crossing-blocking rod is closed, and a timing signal output circuit 11 shown in FIG. Sensor 12 for detecting a car or the like entering a no-crossing
And a television camera 13 for taking an image around a railroad crossing blocking rod (not shown), analyzing the image, and resetting an external image pickup timing with a reset signal Ta.
And Further, based on the light emission command signal Tb,
A strobe device 14 for emitting light at a timing synchronized with the image pickup by the television camera 13 to illuminate the center of a crossing-blocking rod (not shown), and a timing signal output circuit 11 to the strobe device 14 to move into a crossing. It has a timing control circuit 15 that controls the timing of light emission and imaging when a body is detected, and an A / D converter 16 that converts a video signal Sa from the television camera 13 into a digital signal. Also, the railroad crossing blocking rod photographing apparatus uses a digital signal from the A / D converter 16, that is, the television camera 1.
Hard disk 1 for storing video intermittently shot in 3
7 and a data processing unit 18 for storing, reading out, and projecting the video taken by the television camera 13. Further, the stored video data is read out and projected, and a video reproduction / instruction unit 19 for performing an operation of reproducing the projection, and a digital signal from the A / D conversion unit 16, that is, intermittently shot by the television camera 13. It has frame memories 21 to 2N for storing images.
Next, the operation in the configuration of the first embodiment will be described.

The timing control circuit 15 receives the timing signal from the timing signal output circuit 11 and terminates the input after a lapse of a predetermined time from the start of the input, and terminates the input after a lapse of a predetermined time from the end of the input. Generate a closing timing signal. Next, the timing control circuit 15 outputs a reset signal to the television camera 13 when a detection signal is input from the sensor 12 at the closing timing of the blocking rod. At the same time, the timing control circuit 15 outputs a light emission command signal Tb to the strobe device 14, and the data processing unit 1
8, an imaging request signal Sd is output. Data processing unit 18
Receives the imaging request signal Sd from the timing control circuit 15, searches the storable frame memories 21 to 2N, and sends out a frame memory designation signal Se for designating the searched frame memories (21 to 2N). A
The imaging request signal Sf is output to the / D conversion unit 16. Upon receiving the reset signal Ta from the timing control circuit 15, the television camera 13 resets the synchronization timing. The strobe device 14 emits light in response to a light emission command signal Tb from the timing control circuit 15. A / D converter 1
6, when the imaging request signal Sd is input from the data processing unit 18, the A / D conversion of the video signal Sa from the television camera 13 is performed from the next synchronization signal, and the A / D conversion is performed on the designated frame memory (21 to 2N). Write the converted video signal. The A / D converter 16 is a frame memory (21 to 2N)
When the writing of the digitized video signal is completed,
The write end signal Sg is output to the data processing unit 18.
When the write end signal Sg is input, the data processing unit 18 reads the video data from the frame memories (21 to 2N), searches for the latest video number, and if the storage capacity of the hard disk 17 is the maximum, the final A video number is added and stored in the storage area of the final video number.
If the storage capacity is not the maximum, "Latest video number +
1 "in the storage area. That is, "final video number +
In the case of "1", the storage of the area of the first video number is deleted and newly stored. Or, overwrite and store. The data processing unit 18 is operated by the video reproduction / instruction unit 19 to display the video of the video number stored from the video reproduction / instruction unit 19.
When the operation is performed, the video data is read from the area corresponding to the video number of the hard disk 17 by the input of the operation signal Sk. Further free frame memories (21 to 21)
2N) and writes the video data read from the hard disk 17 to the frame memories (21 to 2N). After writing the video data, the data processing unit 18 outputs a frame memory designation signal Sg for designating a frame memory (21 to 2N) to the video playback / instruction unit 19, and further outputs a playback request signal Sj. The video playback / instruction unit 19
When the reproduction request signal Sj is input, the video data of the designated frame memory (21 to 2N) is displayed as a video.

As described above, in the first embodiment, the strobe device 14 emits light and the television camera 13 takes a picture only when a moving object entering a railroad crossing is detected. The captured video is stored in the hard disk 17 together with the video number, and at a desired time, the video number is designated by the video reproduction / instruction unit 19 to reproduce the required video. In this case, since the high-resolution television camera 13 is used, a clear high-resolution image that can analyze the cause of breakage of the railroad crossing blocking rod and the like can be obtained without lack of illumination even at night. Further, it is possible to store only the video data necessary for analyzing the cause such as breakage of the blocking rod.

Next, a second embodiment will be described. The configuration of the second embodiment is the same as the configuration of the first embodiment shown in FIG. 1, and the processing operation of the data processing unit 18 is different from that of the first embodiment. In the operation of the second embodiment, when the storage capacity of the hard disk 17 has reached the maximum storage capacity, the data processing unit 18 sets the video number to an initial value and stores the video number in an area corresponding to the video number on the hard disk 17. . Also, if the maximum storage capacity has not been reached, the “latest video number +
The data processing unit 18 performs the process of storing the “1” in the storage area of the hard disk 17. Other operations are the same as in the first embodiment.

As described above, in the second embodiment, the storage of the hard disk 17 is stored in a ring shape. That is, only the latest video for the maximum capacity of the hard disk 17 can be stored.

Next, a third embodiment will be described. The configuration of the third embodiment is the same as the configuration of the first embodiment shown in FIG. 1, and the processing operations of the timing control circuit 15 and the data processing unit 18 are different from those of the second embodiment. . In the operation of the third embodiment, the timing signal from the timing signal output circuit 11, that is, the timing signal detected when the moving object enters the railroad crossing (not shown) is transmitted to the data processing unit 18 through the timing control circuit 15.
Is input to In this case, the data processing unit 18 measures the pulse width indicating the time of the timing signal. If the measurement time of the pulse width is within a predetermined time, the video of the latest video number is not stored as invalid, and if it is longer than the predetermined time, it is stored in the same manner as in the first embodiment. I do. That is, the case where the moving object passes within the railroad crossing in a short time when the time is within a predetermined time is a normal passage.

As described above, in the third embodiment, the passing time of a moving object that has entered a railroad crossing within a railroad crossing is monitored, and if the time is within a predetermined time, the video of the latest video number is monitored. Is not stored as invalid, and is stored only when it is longer than a predetermined period of time, so that only the video necessary for analysis can be stored, and unnecessary video is not displayed during playback, so analysis is quick. And be sure.

Next, a fourth embodiment will be described. In the fourth embodiment, the video data stored in the first to third embodiments is transmitted to a location separated by a transmission line and analyzed.

FIG. 2 is a block diagram showing the configuration of the fourth embodiment. 2, this example has the same configuration as the first embodiment shown in FIG. 1, that is, has a timing signal output circuit 11, a sensor 12, and a television camera 13. Further, the strobe device 14 and the timing control circuit 1
5, an A / D conversion unit 16, a hard disk 17, a data processing unit 18, a video reproduction / instruction unit 19, and frame memories 21 to 2N. Further, in addition to the configuration of FIG.
It has 0.

The image display / operation unit 30 includes a data transmission unit 31 for transmitting image data stored in the hard disk 17 to a remote location, a data transmission line 32 using, for example, a public line, The data transmission line 32 is located at a place separated from the railroad crossing where the device is installed.
Video data from the data transmission unit 31 through the
Further, it has a data transmission unit 33 for transmitting an instruction signal to the data transmission path 32. Further, a data processing unit 34 for processing the display, readout, and accumulation of the video on the video display / operation unit 30, a frame memory 35 for storing the read video, and a video reproduction for displaying the video and instructing the reproduction thereof. -It has an instruction unit 36 and a hard disk 37 for storing the read video.

Next, the operation of the configuration of the fourth embodiment will be described. Operations other than the video display / operation unit 30, which is the same component as the first embodiment shown in FIG.
The third embodiment is similar to the third embodiment. That is, the strobe device 1 only detects a moving object entering a railroad crossing.
4 emits light and the television camera 13 is taking a picture. The captured video is stored together with the video number on the hard disk 17, and the required video is reproduced by designating the video number at a desired time. When the storage of the hard disk 17 has reached the maximum storage capacity, the data processing unit 18 sets the video number to an initial value and stores it in the storage area of the hard disk 17 corresponding to the video number. If the maximum storage capacity has not been reached, the data processing unit 18 performs processing for storing the latest video number + 1 in the storage area of the hard disk 17. Also, the passage time of the moving body entering the railroad crossing during the railroad crossing internal phase is monitored, and if the time is within a predetermined time, the video of the latest video number is not stored as invalid and is stored for more than the predetermined time. The video of the latest video number is stored and only the video necessary for analysis is stored. The video data accumulated in the hard disk 17 in this way is read out and stored and reproduced by the video display / operation unit 30 arranged at a distant place. In the image display / operation unit 30,
The image reproducing / instructing unit 36 instructs the reading of the image.
This instruction is issued to the data processing unit 18 through the data processing unit 34, the data transmission unit 33, the data transmission path 32, and the data transmission unit 31. The data processing unit 18 reads out the video data stored in the hard disk 17 based on an instruction from the video display / operation unit 30. Further, an empty frame memory (21 to 2N) is searched. The video data read from the hard disk 17 is written to an empty frame memory (21 to 2N). When completing the write processing of the video data, the data processing unit 18 sequentially reads out the written video data and outputs the read video data to the data transmission unit 31. The video data is transmitted from the data transmission unit 31 to the data transmission path 3
2 to the data processing unit 34. If the input video data is the latest video number, the data processing unit 34 displays the video data on the video reproduction / instruction unit 36, and performs monitoring in real time. In the case of past video data, the video data is sequentially written to the frame memory 35. The data processing unit 34 also plays back the video data currently stored in the frame memory 35 and stores the video data in the hard disk 37 based on the operation of the video playback / instruction unit 36. For example, when the video reproduction / instruction unit 36 instructs to reproduce the video data stored in the hard disk 37, the video data stored in the hard disk 37 is read and stored in the frame memory 35. Thereafter, the video data stored in the frame memory 35 is sequentially read out, and the video is displayed on the display in the video playback / instruction unit 36.

As described above, in the fourth embodiment, the video display and operation unit 30 installed at a distant place through the data transmission path 32 is stored in the data transmission path 32 by photographing and accumulating the railroad crossing rod.
And read it out. Therefore, it is possible to analyze the breakage of the railroad crossing blocking rod and the like at the installation location near the railroad crossing as well as at a location separated from the railroad crossing.

Next, a fifth embodiment will be described. In the fifth embodiment, the fourth embodiment uses the hard disk 1
7 is read out and reproduced by an operation from the video reproduction / instruction unit 19 or the video reproduction / instruction unit 36 in the video display / operation unit 30.
In this embodiment, the video data is read out and reproduced by the operation of only the video reproduction / instruction unit 36 in the video display / operation unit 30.

FIG. 3 is a block diagram showing the configuration of the fifth embodiment. 3, this example does not include the video reproduction / instruction unit 19 in the configuration in FIG. 2, and the other configuration is the same. The operation of the fifth embodiment is similar to that of the fourth embodiment shown in FIG. However, since the video reproduction / instruction unit 19 is not provided, the reading and reproduction of the video data stored in the hard disk 17 are performed only from the video reproduction / instruction unit 36 in the video display / operation unit 30.

As described above, in the fifth embodiment, the video data stored in the hard disk 17 is
Since the video data is read out and reproduced only by the operation of the video reproduction / instruction unit 36, the signal processing scale in the data processing unit 18 and the apparatus scale are advantageously reduced.

[0030]

As is apparent from the above description, in the crossing-blocking rod photographing apparatus according to the first aspect, a video signal obtained by illuminating the crossing-blocking rod based on the drive timing signal and the detection signal is stored. Thereafter, since the read image data is displayed, it is possible to store only the latest image necessary for analyzing the cause such as breakage of the blocking rod with a clear resolution even at night.

According to a second aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
When the storage reaches the maximum storage capacity, the video data in the storage area that was stored first is erased and stored.
This has the effect that only the latest video necessary for analysis of the cause such as breakage of the blocking rod can be circulated and stored.

According to the third aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
Since the video is stored only when the time of the detection signal exceeds a predetermined time, there is an effect that the video can be stored for a long time.

According to a fourth aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
Since the video data of the railroad crossing rod is stored, played back and projected, and the video data stored by the video storage and playback device installed at a distance is read and projected,
There is an effect that images can be stored and projected near or at a railroad crossing and / or at a remote location.

According to the fifth aspect of the present invention, there is provided a railroad crossing blocking rod photographing apparatus.
Since the video data of the railroad crossing rod is stored and the video data stored in the remote video storage and playback device is read and displayed, the video is stored and displayed only at remote locations, and its signal processing is performed. There is an effect that the scale and the apparatus scale can be reduced.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a level crossing blocking rod photographing apparatus according to first to third embodiments of the present invention.

FIG. 2 is a block diagram showing a configuration of a fourth embodiment.

FIG. 3 is a block diagram showing a configuration of a fifth embodiment.

FIG. 4 is a block diagram showing a configuration of a conventional railroad crossing blocking rod photographing apparatus.

[Explanation of symbols]

 Reference Signs List 13 TV camera 14 Strobe device 15 Timing control circuit 17 Hard disk 18 Data processing unit 19 Video playback / instruction unit 21-2N Frame memory 30 Video display / operation unit

Continuation of the front page (56) References JP-A-2-48263 (JP, A) JP-A-59-11962 (JP, A) JP-A-2-69898 (JP, A) JP-A-4-23573 (JP) , U) Hikaru 2-92377 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B61L 29/00-29/32 H04N 7/18

Claims (5)

(57) [Claims] 1. A timing signal output means for outputting a drive timing signal for closing at least a railroad crossing rod, a sensor for outputting a detection signal for detecting a moving object entering a railroad crossing, and a drive timing signal for driving the railroad crossing rod. A photographing means for photographing based on the detection signal; a light emitting means for illuminating the railroad crossing rod based on the drive timing signal and the detection signal; and a digital signal for the video signal from the photographing means.
A / D converting means for Le of the operation means for performing a storage unit for storing and accumulating the video signal described above digitization, the operation of reading the image data stored in the storage means, from the storage means A railroad crossing rod photographing apparatus comprising: a video display means for displaying the read video data. A storage means for erasing and storing the video data in the storage area stored first when the storage has reached the maximum storage capacity, and when the storage has not reached the maximum storage capacity, , crossing blocking rod photographing apparatus according to claim 1, wherein that stores image data in the storage area is empty. Wherein the storage means, the drive timing signal and crossing blocking rod photographing apparatus according to claim 1, wherein you accumulate the video signal from only photographing means if the time exceeds a predetermined time a predetermined detection signal. 4. A captured video storage / reproducing apparatus for storing and reproducing video data obtained by capturing a railroad crossing rod, and a video storage / reproducing apparatus connected to the captured video storage / reproducing apparatus for reading and displaying the stored video data. A timing signal output means for outputting a drive timing signal for closing at least a railroad crossing blocking rod; a sensor for outputting a detection signal for detecting a moving object entering the railroad crossing; and digital and photographic means for the blocking rod shooting based on the drive timing signal and the detection signal, the crossing blocking rod light emitting means for illuminating based on the drive timing signal and the detection signal, the video signal from the imaging means
A / D converting means for barrel of the first storage means and, said first operating means for performing an operation of reading the stored video data to a storage means for storing accumulated image signal described above digitization And first video display means for displaying the video data read from the first storage means, wherein the video storage and playback device instructs reading and playback of the video data stored in the first storage means. Means for transmitting the instruction signal from the instruction means, and reading out the video data stored in the first storage means when instructed, and transmitting the video data to the video storage / reproducing apparatus. Processing means; second storage means for storing video data transmitted from the photographed video storage / reproducing device, and outputting the stored video data when reproduction is instructed by the instruction means; Crossing blocking rod photographing apparatus and a second image display means for projecting an image with the instruction. 5. A video storage device for storing video data obtained by capturing a railroad crossing rod, and a video storage and reproduction device connected to the video storage device for reading and displaying the stored video data. The photographed video storage device includes at least a timing signal output unit that outputs a drive timing signal for closing the railroad crossing rod, a sensor that outputs a detection signal that detects a moving object entering the railroad crossing, and a driving timing signal that outputs the railroad crossing rod. A photographing means for photographing based on the detection signal, a light emitting means for illuminating the railroad crossing rod based on the drive timing signal and the detection signal, an A / D conversion means for digitizing a video signal from the photographing means,
First storage means for accumulating and storing the digitized video signal.
Instruction means for instructing the reading and reproduction of the video data stored in the storage means, transmitting an instruction signal from the instruction means, and transmitting the video data stored in the first storage means when instructed. A transmission processing unit for reading and transmitting the video data to the video storage / reproducing device, storing the video data transmitted from the photographed video storage device, and outputting the stored video data when the reproduction is instructed by the instruction unit The second storage means for displaying the image in accordance with the instruction from the instruction means.
A railroad crossing blocking rod photographing device comprising: