JP6922767B2 - Gate device - Google Patents

Description

The present invention relates to a technique for controlling the passage of a user in a passage according to the result of authentication of the user by fingerprint authentication.

Conventionally, the automatic ticket gate installed at the ticket gate of a station uses fingerprint authentication to determine whether or not the user can pass through the ticket gate passage (whether or not the user can enter the station or can enter the station). (See, for example, Patent Document 1). This automatic ticket gate (fingerprint verification ticket gate) is used when the user is authenticated as a registrant by collating the read fingerprint of the user with the fingerprint of the registrant registered in advance. It is determined that the person is allowed to pass through the ticket gate. On the contrary, if this automatic ticket gate does not authenticate that this user is a registrant by collating the fingerprint of the user who has read it with the fingerprint of the registrant registered in advance, this user will be notified. On the other hand, it is determined that the passage through the ticket gate is not permitted.

Further, as a fingerprint reading sensor for reading a user's fingerprint, for example, as shown in Patent Document 2, there are a capacitance type, a heat sensitive type, an electrolytic type, an ultrasonic type, an optical type and the like.

Japanese Unexamined Patent Publication No. 2001-307144 JP-A-2017-54323

Since the automatic ticket gate described in Patent Document 1 has a configuration of reading the fingerprint of the user's finger applied to the reading surface of the fingerprint detector, the user temporarily stops when entering the ticket gate passage. I put my finger on the reading surface of the fingerprint detector. In the automatic ticket gate described in Patent Document 1, temporarily stopping the user entering the ticket gate passage is a factor that reduces the convenience of the user. In addition, the fact that the users entering the ticket gate passage temporarily stop is also a factor that reduces the number of users who can process the ticket gates per unit time (throughput of the ticket gate processing).

An object of the present invention is to provide a technique capable of improving the convenience of users passing through a passage and suppressing a decrease in the number of users who can control the passage per unit time.

The gate device of the present invention is configured as follows in order to achieve the above object.

This gate device is installed so that the first housing and the second housing face each other, and allows the user to pass through the passage formed between the first housing and the second housing. Control. The first housing is formed with a recess extending along the passage on the side surface of the first housing on the passage side facing the second housing. Further, the non-contact fingerprint reading unit acquires an image of the user's hand inserted in the recessed portion, processes the image, and extracts fingerprint data used for user authentication.

If the pad of the finger of the user is imaged in the image captured by the image sensor (imaging element), the non-contact fingerprint reader processes the image and extracts the fingerprint data used for the authentication of the user. Perform processing. Since the recess extends in the direction along the passage, the user can pass the pad of the finger by passing the hand in the recess with the pad of the finger facing the image sensor. Can be imaged by the image sensor of the non-contact fingerprint reading unit. Therefore, the user can have the non-contact fingerprint reading unit extract the fingerprint data used for authentication while passing through the passage. In other words, the user does not have to stop to read his fingerprint when entering and passing through the aisle. As a result, the convenience of users passing through the aisle can be improved, and the decrease in the number of users who can control the passage per unit time (decrease in throughput) can be suppressed.

Further, the recessed portion is a position where one end in the direction along the passage reaches one end of the passage in the first housing and the other end in the direction along the passage reaches the central part of the passage in the first housing. It is preferable to form in. One end should be on the entrance side of the passage for the user to have the non-contact fingerprint reader extract the fingerprint data when passing through the passage. In this way, the passage control of the passage for the user can be smoothly performed.

Further, one end of the recessed portion in the direction along the passage may communicate with one side end surface of the passage in the first housing. With this configuration, the user can confirm the position of the recessed portion before entering the aisle, and can enter the aisle more smoothly.

It is preferable that the recess portion has a shape in which the depth in the width direction of the passage gradually becomes shallower from one end side of the passage in the direction along the passage toward the center portion of the passage. With such a configuration, it is possible to prevent the user from pulling out the hand from the recessed portion and colliding the hand with the end portion of the recessed portion in the direction along the passage.

Further, the recess is formed at a height at which a user of general height can easily insert a hand when passing through the aisle, for example, a height from the floor of the aisle is in the range of 60 cm to 100 cm. Is good.

According to the present invention, the convenience of users passing through the passage can be improved, and the decrease in the number of users who can control the passage per unit time can be suppressed.

It is the schematic which shows the automatic ticket gate concerning this example. FIG. 2A is a side view of the first unit on the ticket gate passage side as seen from the direction C shown in FIG. 1, and FIG. 2B is a side view of the ticket gate passage side as seen from the direction D shown in FIG. It is a side view of the second unit of. It is a block diagram which shows the structure of the main part of the automatic ticket gate which concerns on this example. FIG. 4 (A) is a diagram showing an imaging region described later in FIG. 2 (A), and FIG. 4 (B) is a diagram showing a cross section in the XX direction shown in FIG. 4 (A). , FIG. 4 (C) is a plan view in the Y direction shown in FIG. 4 (A). It is a flowchart which shows the ticket gate processing of the automatic ticket gate which concerns on this example. FIG. 6 (A) is a side view of the first unit on the ticket gate passage side of the automatic ticket gate according to another example, and FIG. 6 (B) is the first unit on the ticket gate passage side of the automatic ticket gate according to another example. It is a side view of 2 units. FIG. 7 (A) is a side view of the first unit on the ticket gate passage side of the automatic ticket gate according to another example, and FIG. 7 (B) is the first unit on the ticket gate passage side of the automatic ticket gate according to another example. It is a side view of 2 units.

Hereinafter, embodiments of the present invention will be described by taking an automatic ticket gate installed at a ticket gate of a station as an example.

<1. Application example>
FIG. 1 is a schematic view showing an automatic ticket gate according to an embodiment of the present invention. FIG. 2A is a side view of the first unit on the ticket gate passage side as seen from the direction C shown in FIG. 1, and FIG. 2B is a side view of the ticket gate passage side as seen from the direction D shown in FIG. It is a side view of the second unit of.

The automatic ticket gate 1 corresponds to the gate device according to the present invention. As shown in FIG. 1, the automatic ticket gate 1 includes a first unit 1a and a second unit 1b. In this example, the first unit 1a corresponds to the first housing referred to in the present invention, and the second unit 1b corresponds to the second housing referred to in the present invention.

In the automatic ticket gate 1, the first unit 1a and the second unit 1b are arranged so as to face each other. The ticket gate passage (corresponding to the passage referred to in the present invention) is between the first unit 1a and the second unit 1b. The traffic direction of the user in the ticket gate passage is bidirectional (the direction of entering the station yard and the direction of exiting from the station yard). In this example, the direction A shown in FIG. 1 is the direction of entering the station yard, and the direction B shown in FIG. 1 is the direction of entering the station yard. The outer shape of the first unit 1a and the outer shape of the second unit 1b are the same. In the automatic ticket gate 1, the door 21a of the first unit 1a and the door 22b of the second unit 1b are installed so as to face each other across the ticket gate passage. In other words, in the automatic ticket gate 1, the door 21b of the first unit 1a and the door 22a of the second unit 1b are installed so as to face each other across the ticket gate passage.

The direction of passage of the user in the ticket gate passage is not limited to both directions (the direction of entering the station yard and the direction of exiting from the station yard), and may be one of the directions.

Further, recessed portions 100a and 100b are formed on the side surfaces of the first unit 1a and the second unit 1b on the ticket gate passage side, respectively. The recessed portions 100a and 100b have a shape extending in the direction along the ticket gate passage. The recessed portion 100a of the first unit 1a is located on the entrance side of the ticket gate passage for users entering the station yard. Further, the recessed portion 100b of the second unit 1b is located on the entrance side of the ticket gate passage for the user who participates from the station yard.

When the automatic ticket gate 1 according to this example images the user's hand inserted in the recesses 100a and 100b, the automatic ticket gate 1 processes the frame image and extracts the authentication fingerprint data used for the authentication of the user. The automatic ticket gate 1 controls the passage of the ticket gate passage to the user according to the authentication result of the user by the extracted fingerprint data for authentication. That is, the user can pass through the ticket gate passage by inserting his / her hand into the recessed portions 100a and 100b. Further, since the recesses 100a and 100b have a shape extending in the direction along the ticket gate passage, the user does not have to stop to read the fingerprint when entering the ticket gate passage and passing through. As a result, the convenience of users passing through the ticket gate passage can be improved, and the decrease in the number of users who can process the ticket gates per unit time (decrease in throughput) can be suppressed.

<2. Configuration example>
FIG. 3 is a block diagram showing a configuration of a main part of the automatic ticket gate according to this example. FIG. 4 (A) is a diagram showing an imaging region described later in FIG. 2 (A), and FIG. 4 (B) is a diagram showing a cross section in the XX direction shown in FIG. 4 (A). , FIG. 4 (C) is a plan view in the Y direction shown in FIG. 4 (A). Although FIG. 4 shows the first unit 1a, the second unit 1b is the same as the first unit 1a.

As shown in FIG. 3, the automatic ticket gate 1 according to this example includes a control unit 10, fingerprint reading units 11a and 11b, display units 12a and 12b, a user detection unit 13, and a door opening / closing control unit 14. , And a communication unit 15.

The control unit 10 controls the operation of the automatic ticket gate 1 main body. The automatic ticket gate 1 according to this example performs ticket gate processing for users who enter the station yard and users who enter from the station yard.

The fingerprint readers 11a and 11b process an image sensor (imaging element) for imaging the imaging region, and if the image of the imaging region captured by the image sensor captures the pad of the user's finger, the image is processed. It has an image processing processor or the like that performs a process of extracting fingerprint data for authentication used for authentication of the user. As shown in FIG. 4, the imaging region of the fingerprint reading unit 11a is set inside the recessed portion 100a formed in the first unit 1a. Although not particularly shown, the image pickup region of the fingerprint reading unit 11b is set inside the recessed portion 100b formed in the second unit 1b, similarly to the first unit 1a. The image sensors of the fingerprint reading units 11a and 11b are attached to the lower surface side (floor surface side of the ticket gate passage) of the recessed portions 100a and 100b. The image sensors of the fingerprint reading units 11a and 11b are attached so that the imaging surface faces the upper surfaces of the recessed portions 100a and 100b.

The display units 12a and 12b display guidance messages and the like to users passing through the ticket gate passage. The display unit 12a is provided in the first unit 1a and controls the screen display on the display 20a provided in the first unit 1a. The display unit 12b is provided in the second unit 1b, and controls the screen display on the display 20b provided in the second unit 1b.

The user detection unit 13 detects the position of a user passing through the ticket gate passage at predetermined time intervals, and tracks the user passing through the ticket gate passage. The user detection unit 13 has a plurality of light emitting elements arranged in a direction along the ticket gate passage, and a plurality of light receiving elements arranged at positions facing each light emitting element across the ticket gate passage. The plurality of light emitting elements are provided on one of the first unit 1a or the second unit 1b, and the plurality of light receiving elements are provided on the other of the first unit 1a or the second unit 1b.

The door opening / closing control unit 14 controls the opening / closing state of the four doors 21a, 22a, 21b, 22b. The doors 21a and 22a are provided in the first unit 1a, and the doors 21b and 22b are provided in the second unit 1b. On one end side of the ticket gate passage (the exit side of the ticket gate passage for users entering the station yard), the doors 21a and 22b face each other across the ticket gate passage. Further, on the other end side of the ticket gate passage (the exit side of the ticket gate passage for users entering from the station yard), the doors 21b and 22a face each other across the ticket gate passage. The door opening / closing control unit 14 controls the opening / closing state of two doors 21a and 22b located on one end side of the ticket gate passage as a set. Further, the door opening / closing control unit 14 controls the opening / closing state by combining two doors 22a and 21b located on the other end side of the ticket gate passage as a set. Specifically, in the automatic ticket gate 1, when the user who enters the station yard is not allowed to pass through the ticket gate passage, the door opening / closing control unit 14 closes the doors 21a and 22b, and the user is in the station yard. Restrict admission to. Further, in the automatic ticket gate 1, when the user who enters from the station yard is not allowed to pass through the ticket gate passage, the door opening / closing control unit 14 closes the doors 22a and 21b, and the user enters from the station yard. To limit.

The communication unit 15 controls data communication between a host device (not shown) and other station affairs equipment (automatic ticket gates, ticket vending machines, checkout machines, etc.).

The hardware related to the control unit 10, the user detection unit 13, the door opening / closing control unit 14, and the communication unit 15 may be provided in the first unit 1a or the second unit 1b.

Further, although not particularly described in this example, the automatic ticket gate 1 has a configuration in which at least one of a known magnetic ticket, a non-contact IC ticket, and a two-dimensional bar code ticket is accepted as a ticket and the ticket gate processing is performed. It may be.

Next, the recessed portions 100a and 100b will be described in detail with reference to FIGS. 2 and 4. The recessed portion 100a formed in the first unit 1a extends in the direction along the ticket gate passage as described above. One end of the recessed portion 100a formed in the first unit 1a communicates with the end surface on the entrance side of the ticket gate passage for users entering the station yard. Further, the other end of the recessed portion 100a formed in the first unit 1a reaches the central portion of the ticket gate passage. The recessed portion 100a formed in the first unit 1a gradually becomes shallower in the width direction of the ticket gate passage from the entrance side of the ticket gate passage for users entering the station yard toward the center of the ticket gate passage. The shape is.

In this way, since one end of the recess 100a formed in the first unit 1a communicates with the end face on the entrance side of the ticket gate passage for the user who enters the station yard, the user who enters the station yard Before entering the ticket gate passage, the position of the recessed portion 100a formed in the first unit 1a can be confirmed.

The recessed portion 100b formed in the second unit 1b extends in the direction along the ticket gate passage as described above. One end of the recessed portion 100b formed in the second unit 1b communicates with the end surface on the entrance side of the ticket gate passage for the user who participates from the station yard. Further, the other end of the recessed portion 100b formed in the second unit 1b reaches the central portion of the ticket gate passage. The recessed portion 100b formed in the second unit 1b gradually becomes shallower in the width direction of the ticket gate passage from the entrance side of the ticket gate passage for users entering from the station yard toward the center of the ticket gate passage. The shape is.

In this way, since one end of the recessed portion 100b formed in the second unit 1b communicates with the end face on the entrance side of the ticket gate passage for the user who participates from the station yard, the user who participates from the station yard Before entering the ticket gate passage, the position of the recessed portion 100b formed in the second unit 1b can be confirmed.

The depths of the recesses 100a and 100b in the width direction of the ticket gate need not be D1 and the depth that the entire user's hand can enter, but the depth that the user's finger can enter (about 10 cm). ..

Further, the heights from the lower surface to the upper surface of the recesses 100a and 100b gradually increase from the entrance side of the ticket gate passage toward the center of the ticket gate passage so that a user passing through the ticket gate passage can easily insert his / her hand. It is a shape that becomes low. The height of the recessed portions 100a and 100b from the lower surface to the upper surface may be about 10 cm to 15 cm near the entrance of the ticket gate passage, and may be about 5 cm near the center of the ticket gate passage.

Further, the recessed portions 100a and 100b are formed at a height at which a user passing through the ticket gate passage does not have to crouch or raise his / her shoulder when inserting his / her hand. For example, the recessed portions 100a and 100b are formed so that the height H1 from the floor surface of the ticket gate passage to the upper surface of the recessed portions 100a and 100b is about 85 cm to 100 cm. As shown in FIG. 4A, this height H1 is the height from the floor surface of the ticket gate passage to the highest upper surface of the recessed portions 100a and 100b. Further, the recessed portions 100a and 100b are formed so that the height H2 from the floor surface of the ticket gate passage to the lower surface of the recessed portions 100a and 100b is about 60 cm to 75 cm.

<3. Operation example>
The operation related to the ticket gate processing of the automatic ticket gate 1 according to this example will be described. FIG. 5 is a flowchart showing the ticket gate processing of the automatic ticket gate according to this example. Here, a ticket gate process for a user entering the station yard will be described as an example. A user who enters the station yard inserts his / her hand into the recess 100a of the first unit 1a as he / she enters the ticket gate passage. The user has a recess in the first unit 1a so that the pad of the finger faces the image pickup surface of the image sensor of the fingerprint reading unit 11a, that is, the pad of the finger faces the floor side of the ticket gate passage. A hand is inserted into the portion 100a.

As described above, since one end of the recess 100a formed in the first unit 1a communicates with the end face on the entrance side of the ticket gate passage for the user who enters the station yard, the user who enters the station yard. Can confirm the position of the recessed portion 100a formed in the first unit 1a before entering the ticket gate passage. Therefore, the user can insert his / her hand into the recess 100a without stopping when entering the ticket gate passage. When the user advances the ticket gate passage toward the station yard with his / her hand inserted into the recessed portion 100a, the pad of the user's finger passes through the imaging region of the fingerprint reading portion 11a. Since the fingerprint reading unit 11a captures the imaging region at an appropriate frame rate, when the pad of the user's finger passes through the imaging region, the fingerprint reading unit 11a acquires a frame image in which the pad of the user's finger is imaged. do.

When the fingerprint reading unit 11a of the first unit 1a acquires a frame image of the pad of the finger of the user, the automatic ticket gate 1 extracts the fingerprint data for authentication about the user (s1, s2). The fingerprint reading unit 11a determines whether or not the user's finger is captured in the frame image for each frame image in which the imaging region is captured. In addition, the fingerprint reading unit 11a processes the frame image determined that the user's finger is captured in s2, and acquires the fingerprint data for authentication for the predetermined finger. The number of fingers for acquiring the fingerprint data for authentication may be one or a plurality of fingers.

The automatic ticket gate 1 transmits a passability determination request including the fingerprint data for authentication extracted by the fingerprint reading unit 11a to an authentication device (upper device) (not shown) (s3). The communication unit 15 controls communication with the authentication device. The automatic ticket gate 1 waits for the communication unit 15 to receive the determination result from the authentication device that has transmitted the passability determination request in s3.

The authentication device collates the fingerprint data for authentication included in the passability determination request transmitted from the automatic ticket gate 1 with the registrant fingerprint data of each registered registrant, and the user is the registrant. Authenticate whether it exists or is an unregistered person. Since this authentication is a known fingerprint authentication, it will not be described in detail here. In fingerprint authentication, the authentication accuracy can be improved by using more fingers.

When the authentication device determines that the user is a registrant, the authentication device identifies the user. If the user is a registrant, the authentication device determines whether or not the user (registrant) can pass through the ticket gate. The authentication device, for example, determines whether the user (registrant) passed through the ticket gate passage last time was entry or exit (determination of cycle error). The authentication device stores, for each registrant, the passage history information in which the registrant has registered the passage information that has passed through the ticket gate passage. The traffic information includes traffic information at the time of admission and traffic information at the time of entry. The traffic information at the time of admission includes the admission station, admission time, and the like. The traffic information at the time of participation includes the participation station, the participation time, and the like. When the authentication device determines that the user is permitted to pass through the ticket gate passage, the authentication device adds the passage information related to the passage of the ticket gate passage to the passage history information of the user. On the other hand, if the authentication device determines that the user is not allowed to pass through the ticket gate, the authentication device does not add the passage information to the passage history information of the user.

If the authentication device cannot authenticate that the user is a registrant, the authentication device determines that the passage is not permitted.

The authentication device transmits the passability determination result to the automatic ticket gate 1. When the automatic ticket gate 1 receives the determination result of passability from the authentication device in the communication unit 15 (s4), if the determination result permits the passage, the door opening / closing control unit 14 opens the doors 21a and 22b. Open (s5, s6). On the contrary, in the automatic ticket gate 1, if the determination result received from the authentication device does not allow passage, the door opening / closing control unit 14 closes the doors 21a and 22b (s5, s7). When the automatic ticket gate 1 completes the process related to s6 or s7, it returns to s1.

In the above description, the ticket gate processing for users entering the station premises has been described as an example, but the same processing is performed for users entering the station premises. However, a user who participates from the station yard inserts his / her hand into the recess 100b formed in the second unit 1b. That is, the fingerprint data of the user who participates from the station yard is extracted by the fingerprint reading unit 11b provided in the second unit. Further, in the automatic ticket gate 1, the door opening / closing control unit 14 opens / closes the doors 22a and 21b to control the passage of the ticket gate passage of the user who participates from the station yard.

This automatic ticket gate 1 is used to enter the station yard when it is determined that the fingerprint reading unit 11a has imaged the user's hand before the fingerprint reading unit 11b when the user has not entered the ticket gate passage. When it is determined that the fingerprint reading unit 11b has captured the user's hand before the fingerprint reading unit 11a, the ticket gate processing is executed for the user who participates from the station yard. Further, in the automatic ticket gate 1, when a user who has not determined that the fingerprint reading units 11a and 11b have imaged his / her hand reaches a predetermined position in the ticket gate passage, the user is regarded as a non-ticket person and the user is regarded as a ticketless person in the ticket gate passage. Prohibit passage.

As described above, in the automatic ticket gate 1 according to this example, the user who enters the station yard can pass through the ticket gate passage by inserting his / her hand into the recess 100a formed in the first unit 1a. .. Further, since the recessed portion 100a extends along the ticket gate passage, the user can pass without stopping. Further, since the recessed portion 100a communicates with the end surface of the ticket gate passage entrance side for the user entering the station yard, the user can confirm the position of the recessed portion 100a before entering the ticket gate passage and the ticket gate. When entering the passage, the hand can be smoothly inserted into the recessed portion 100a. Therefore, the convenience of the users passing through the ticket gate passage can be improved, and the decrease in the number of users who can process the ticket gates per unit time (decrease in throughput) can be suppressed.

Further, the recessed portions 100a and 100b have a shape in which the depth in the width direction of the passage ticket gate is gradually shallowed from one end side of the ticket gate passage in the direction along the passage toward the central portion of the ticket gate passage. , It is possible to prevent the user from pulling out the hand from the recess and colliding with the end of the recess in the direction along the passage.

<4. Modification example>
As shown in FIG. 6, the recessed portion 100a of the first unit 1a and the recessed portion 100b of the second unit 1b may have a shape that does not communicate with the end face on the entrance side of the ticket gate passage.

Further, as shown in FIG. 7, the recessed portion 100a of the first unit 1a and the recessed portion 100b of the second unit 1b have a shape continuous from the end surface on the entrance side of the ticket gate passage to the end surface on the exit side. You may.

Even if the recesses 100a and 100b have the shape shown in FIG. 6 or 7, as described above, the user does not have to stop when passing through the ticket gate passage. Therefore, the convenience of the users passing through the ticket gate passage can be improved, and the decrease in the number of users who can process the ticket gates per unit time (decrease in throughput) can be suppressed.

Further, the shapes of the recessed portions 100a and 100b are not limited to the above examples, and may be any shape as long as the user does not need to stop when passing through the ticket gate passage.

Further, the present invention is not limited to the above-mentioned automatic ticket gates, but can also be applied to a security gate device that controls entry / exit in a security area, a gate device that controls entry / exit of a theme park, or the like.

The present invention is not limited to the above-described embodiment as it is, and at the implementation stage, the components can be modified and embodied within a range that does not deviate from the gist thereof. In addition, various inventions can be formed by an appropriate combination of the plurality of components disclosed in the above-described embodiment. For example, some components may be removed from all the components shown in the embodiments. In addition, components from different embodiments may be combined as appropriate.

Further, the correspondence between the configuration according to the present invention and the configuration according to the above-described embodiment can be described as described in the following appendix.
<Additional notes>
The first housing (1a) and the second housing (1b) are installed facing each other and formed between the first housing (1a) and the second housing (1b). In the gate device (1) that controls the passage of the user in the passageway
In the first housing (1a), a recess (100a) extending in a direction along the passage is formed on the side surface of the first housing (1a) on the side of the passage facing the second housing (1b).
A gate provided with a non-contact fingerprint reading unit (11a) that acquires an image of a user's hand inserted into the recess (100a), processes the image, and extracts fingerprint data used for user authentication. Device.

1 ... Automatic ticket gate 1a ... 1st unit 1b ... 2nd unit 10 ... Control units 11a, 11b ... Fingerprint reading units 12a, 12b ... Display unit 13 ... User detection unit 14 ... Door open / close control unit 15 ... Communication unit 20a, 20b ... Indicators 21a, 21b, 22a, 22b ... Doors 100a, 100b ... Recessed parts

Claims (5)

A gate in which a first housing and a second housing are installed facing each other to control the passage of a user in a passage formed between the first housing and the second housing. In the device
In the first housing, a recess extending in a direction along the passage is formed on the side surface of the first housing on the side of the passage facing the second housing.
It is provided with a non-contact fingerprint reading unit that acquires an image of the user's hand inserted in the recess and processes the image to extract fingerprint data used for user authentication .
The recessed portion formed in the first housing gradually has a depth in the width direction of the passage from one end side of the passage in the direction along the passage toward the center portion of the passage. A gate device with a shallow shape. One end of the recess in the direction along the passage reaches one end of the passage in the first housing.
The gate device according to claim 1, wherein the other end of the recessed portion in a direction along the passage reaches the central portion of the passage in the first housing. One end of the recess in the direction along the passage communicates with one side end surface of the passage in the first housing.
The gate device according to claim 1, wherein the other end of the recessed portion in a direction along the passage reaches the central portion of the passage in the first housing. The gate device according to any one of claims 1 to 3 , wherein the recessed portion is formed at a position where the height of the passage from the floor surface is 60 cm or more. The gate device according to any one of claims 1 to 4 , wherein the recessed portion is formed at a position where the height of the passage from the floor surface is 100 cm or less.

Images