KR20090096819A - Media deposit apparatus and method for controlliing the same - Google Patents

Abstract

A media deposit apparatus and a control method thereof are provided to improve stability and reliability by improving sensing efficiency. A media deposit part(210) is exposed to outside of a housing which forms appearance of an automatic teller machine(100). A media is deposited to the media deposit part with a fixed stack unit. The media deposit part includes a pick-up roller, a feed roller, and a gate roller. A first transfer part(220) is arranged in an outlet end of the media deposit part. The first transfer part includes a plurality of first transfer rollers and a first driving motor. A second transfer part(230) receives the media transferred by the first transfer part. The second transfer part is positioned in an outlet end of the first transfer part. The second transfer part includes a plurality of second transfer rollers and a second driving motor. A detection sensor is positioned on a transfer path of the first transfer part. The detection sensor includes a light emitting part and a light receiving part. A control part(240) controls a driving state of each transfer part.

Description

MEDIA DEPOSIT APPARATUS AND METHOD FOR CONTROLLIING THE SAME}

The present invention relates to a media deposit apparatus and a control method thereof, and more particularly, to a media deposit apparatus and a control method for processing media such as bills and checks in the automated teller machine.

The automated teller machine is an automated device that can provide basic financial services such as cash and check deposit and withdrawal by using a card or bankbook regardless of time and place in relation to financial services.

The automated teller machine can be divided into cash dispenser and cash dispenser according to whether or not it is withdrawn.In recent years, the automated teller machine has been used for various purposes such as cash withdrawal, check deposit and withdrawal, bankbook arrangement, payment of giro fees, ticket release. have.

In general, media such as banknotes, checks, etc. in the automated teller machine can be deposited through the deposit unit of the media deposit apparatus, the media deposited through the deposit unit may be stored in the media storage unit through a predetermined transport path.

On the other hand, the media deposited through the media depositing device should be able to be conveyed in sheets while being conveyed along the conveying path. If the medium is overlapped by two or more sheets, heavy feeding will result in a jam and the media depositor will malfunction or stop.

In particular, the medium feeding of such a medium has a problem that occurs frequently in the medium depositing device configured to transport the medium along the long direction (length direction) of the medium. That is, the method of transporting the media along the long direction of the media has a problem in that the medium feeding occurs more frequently because the interval that can overlap the media is large.

In order to remedy this problem, some countermeasures have recently been proposed to prevent media feeding, but are still insufficient.

The present invention provides a media depositing apparatus and a control method thereof, which can prevent the medium from being conveyed and transport the media more stably.

In particular, the present invention provides a media depositing apparatus and a control method thereof capable of stably transporting a medium along a longitudinal direction of the medium while preventing the medium from being fed.

According to a preferred embodiment of the present invention for achieving the above object of the present invention, the medium depositing device comprises a medium depositing unit for discharging the deposited medium in sheets, a first conveying unit for conveying the medium discharged in sheets; A second conveying unit which is continuously provided on the first conveying unit to convey the medium and drives independently of the first conveying unit, and a double sheet which detects whether there is a portion of the conveyed medium disposed on the conveying path of the first conveying unit The sensor includes a control unit for stopping the operation of the first transport unit while maintaining the operation of the second transport unit when a double sheet is detected from the front end of the medium over a predetermined length.

The medium discharged and conveyed from the medium depositing unit may proceed along the longitudinal direction (long direction) of the medium, and in some cases, the medium may be configured to advance along the width direction of the medium.

The first transporter and the second transporter may be configured in various structures and manners according to the required conditions and design specifications. For example, the first conveying part and the second conveying part may include a plurality of conveying rollers interlocked with each other and a driving motor providing a driving force for rotating the conveying rollers. In some cases, a guide plate which circulates along a predetermined path by a conveying roller and provides a belt or a guide surface defining a conveying path of the medium may be applied together with the conveying roller.

The double sheet detecting sensor may be provided adjacent to the contact point of the conveying roller disposed adjacent to the medium depositing portion among the conveying rollers constituting the first conveying portion along the advancing direction of the medium. As the double sheet detection sensor, a conventional optical sensor including a light emitting part and a light receiving part may be used, and other sensors may be used in some cases.

A synchronization sensor may be adjacent to the rear side of the double sheet detecting sensor along the moving direction of the medium so as to be synchronized with the double sheet detecting sensor. The synchronization sensor may generate a preliminary signal by recognizing the medium that is passed first before the conveying medium reaches the double sheet detection sensor, and the double sheet detection sensor is synchronized with the preliminary signal generated by the synchronization sensor and is conveyed under so-called tension. It is possible to detect whether or not. In addition, the synchronization sensor may be provided adjacent to the double sheet detection sensor located before or after the contact of the conveying roller disposed adjacent to the media depositing portion along the moving direction of the medium.

In addition, a separation detection sensor may be provided between the contact point of the conveyance roller and the double sheet detection sensor disposed adjacent to the medium depositing unit, and the control unit may control the medium depositing unit only when the medium is not detected by the separation detecting sensor. It can work.

In addition, according to a preferred embodiment of the present invention, the control method of the medium depositing device includes a media depositing unit for discharging the deposited media in sheets, a first conveying unit for transporting the media discharged in sheets, and a first conveying unit A second conveying unit which is continuously provided to the conveying medium and drives independently of the first conveying unit, and a double sheet detecting sensor which detects whether there is a double sheet portion of the conveyed medium disposed on the conveying path of the first conveying unit; A control method of a media deposit apparatus, comprising: discharging a media deposited in a media deposit unit in a sheet unit, conveying the media discharged from the media deposit unit through the first transport unit, and passing the media through the first transport unit; Determining whether there is a portion of the double sheet over a predetermined length from the front end of the medium, and when it is determined that the double sheet has been detected over the predetermined length from the front end of the medium. And stopping the operation of the first carrier while maintaining the operation of the second carrier.

In addition, the synchronization sensor may be provided adjacent to the double sheet detecting sensor at a position before or after the contact point of the conveying roller of the first conveying unit disposed adjacent to the media depositing unit with respect to the advancing direction of the medium, and detected by the synchronization sensor. The double sheet detecting sensor may be synchronized with the signal.

In addition, in addition to the double sheet detection, when the medium is detected through the double sheet detection sensor, the media deposit unit may be stopped, and when the absence of the medium is detected, the media deposit unit may be operated. Alternatively, a separation detecting sensor is provided between the contact point of the conveying roller of the first conveying unit disposed adjacent to the medium receiving unit and the double sheet detecting sensor, and when the medium is detected by the separating detecting sensor, the medium storing unit is stopped. If the member is detected, the media deposit can be activated.

According to the medium depositing apparatus and the control method thereof according to the present invention, by allowing the medium to be conveyed by a plurality of conveying units which can be driven independently of each other, it is possible to prevent the medium from being fed and to convey the medium more stably. .

Moreover, even if the medium is conveyed along the longitudinal direction of the medium, it is possible to effectively prevent feeding of the medium.

In addition, according to the present invention by allowing the double-sheet detection sensor for detecting whether the medium is double-sheet can be synchronized to the preliminary signal detected by the synchronization sensor first, the double-sheet detection efficiency can be improved and the reliability and stability can be improved. .

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited or limited by the embodiments. For reference, in the present description, the same numbers refer to substantially the same elements, and may be described by quoting the contents described in other drawings under the above rules, and the contents repeated or deemed apparent to those skilled in the art may be omitted.

1 is a view showing the structure of the automated teller machine applied to the media deposit apparatus according to the present invention, Figures 2 and 3 are a view showing the structure and operation structure of the media deposit apparatus according to the present invention.

The media deposit apparatus according to the present invention can be used to deposit ordinary media such as bills or checks, and in some cases, can be used to deposit and withdraw media. Such a media deposit apparatus may be applied to a conventional automatic teller machine, and the present invention is not limited or limited by the structure and method of the automated teller machine.

As shown in FIGS. 1 to 3, the automated teller machine 100 to which the media deposit apparatus 200 according to the present invention is applied includes a media deposit unit 210, a first transport unit 220, and a second transport unit ( 230, a double sheet detection sensor 250, a control unit 240, and a media storage unit (not shown).

The media depositing unit 210 is provided to be exposed to the outside of the housing (not shown) forming the appearance of the automated teller machine 100 so that the user (or customer) to deposit the media. In the medium depositing unit 210, the medium may be deposited in a predetermined stack unit, and in some cases, the medium may be deposited in a sheet unit.

Hereinafter, an example configured to deposit a stack unit of media in the media depositing unit 210 will be described. In addition, the media depositing unit 210 is mounted adjacent to the pickup roller 212, the pickup roller 212 to pick up the deposited media in a sheet unit, the media separated by the pickup roller 212 to the transfer path It comprises a feed roller 214 to be introduced, the gate roller 216 disposed to face the feed roller 214, such a pickup roller 212, the feed roller 214 and the gate roller 216 The deposited media may be discharged in sheets along the length of the media.

In the above-described and illustrated embodiments of the present invention, for example, a pickup roller 212, a feed roller 214, and a gate roller 216 for discharging the medium by sheet unit are mounted inside the media depositing unit 210. Although described, in some cases, the pickup roller, the feed roller and the gay controller can be configured to be mounted to the outside of the media depositing unit (210). In addition, in the embodiment of the present invention has been described by way of example, the medium is configured to be discharged and conveyed along the longitudinal direction (long direction), in some cases, the medium may be configured to be discharged and conveyed along the width direction.

The first conveying unit 220 is disposed adjacent to the outlet end of the medium depositing unit 210 to convey the medium discharged in a sheet unit from the medium depositing unit 210. The first transfer unit 220 may be configured in various structures and manners according to the required conditions and design specifications. For example, the first conveying unit 220 includes a plurality of first conveying rollers 222 and a first driving motor 224 which provides a driving force for rotating the first conveying rollers 222. Can be configured. In some cases, a guide plate circulating along a predetermined path by the first transport roller 222 and providing a belt or a guide surface defining a transport path of the medium may be applied together with the first transport roller.

The second conveying unit 230 is continuously provided at the exit end of the first conveying unit 220 in order to receive the medium conveyed by the first conveying unit 220 to convey to the medium storage unit, the first carrier 220 The driving unit 220 is configured to be driven independently. The second conveying unit 230 may include a plurality of second conveying rollers 232 interlocked with each other and a second driving motor 234 which provides a driving force for rotating the second conveying rollers 232. Can be. In the above-described and illustrated embodiments of the present invention, the first transport unit 220 and the second transport unit 230 are described with an example having the same or similar structure to each other, but in some cases, the first transport unit 220 may be described. ) And the second carrier 230 may be configured in different structures and manners.

As described above, the driving motors 224 and 234 of the first transfer unit 220 and the second transfer unit 230 are configured to be driven independently of each other, and optionally, the first transfer unit 220 and the second transfer unit. Only one of the units 230 may be driven.

The double sheet detecting sensor 250 is provided on the conveying path of the first conveying unit 220 to detect whether there is a double sheet portion of the medium conveyed along the conveying path of the first conveying unit 220. As the double sheet detection sensor 250, a conventional optical sensor including a light emitting unit and a light receiving unit may be used, and other sensors may be used in some cases.

In addition, the double sheet detection sensor 250 as described above is a contact roller disposed adjacent to the media depositing unit 210 along the advancing direction of the medium, that is, the contact point of the conveying roller disposed at the inlet end of the first conveying unit 220. (T) may be provided adjacently. Herein, the contact point of the conveying roller means a point at which substantially contact between the conveying roller and the medium occurs.

On the other hand, the control unit 240 to selectively control the driving of each carrier 220, 230 according to the signal detected by the double sheet detection sensor 250. That is, the controller 240 may stop the operation of the first transporter 220 while maintaining the operation of the second transporter 230 when a double sheet is detected from the front end of the medium over a predetermined length. .

By this configuration, the double sheet detection sensor 250 may detect whether the medium is double-sheeted while the medium discharged from the medium depositing unit 210 is conveyed through the first conveying unit 220, and then the leading end of the medium. If it is determined that the double sheet is detected from more than a predetermined length from the control unit 240 stops the operation of the first transport unit 220 while maintaining the operation of the second transport unit 230.

That is, as shown in FIG. 3, a portion of the medium immediately after the medium discharged from the medium depositing unit 210 may be drawn out of the medium depositing unit 210 and disposed up to the conveying path of the first conveying unit 220. When such a situation is detected by the double sheet detection sensor 250, the control unit 240 allows the operation of the first transport unit 220 to be stopped while the operation of the second transport unit 230 is normally maintained. . Therefore, the first conveyed medium may be normally conveyed through the second conveying unit 230, and the immediately following medium is constrained by the conveying roller of the first conveying unit 220 whose rotation is constrained and no longer the second conveying medium. It may be restrained without being conveyed to the conveying unit 230 side.

On the other hand, after the conveyance of the medium that was first conveyed is completed, the medium that is in a state bound in the first conveying unit 220 may be normally conveyed again as the first conveying unit 220 is reactivated, otherwise the first conveying As the rollers of the unit 220 and the media depositing unit 210 rotate in a reverse direction, they may be transferred to the media depositing unit 210. In addition, unlike the case where the portions of the media overlap, as described above, when the two media almost completely overlap, each roller of the first conveying portion and the media deposit portion overlaps with each other without reversely stopping the first conveying portion. The medium can be conveyed back to the media deposit section.

On the other hand, Figures 4 and 5 is a view showing the structure of a media deposit apparatus according to another embodiment of the present invention. In addition, the same or equivalent reference numerals are given to the same or equivalent components as those described above, and detailed description thereof will be omitted.

As shown in FIGS. 4 and 5, a synchronization sensor 260 may be adjacent to the rear side of the double sheet detecting sensor 250 along the moving direction of the medium so as to be synchronized with the double sheet detecting sensor 250. have. The synchronization sensor 260 may generate a preliminary signal by recognizing the medium that is first passed before the conveyed medium reaches the double sheet detection sensor 250, and the double sheet detection sensor 250 may be generated by the synchronization sensor 260. It is possible to detect whether or not the medium carried in the so-called tension state is synchronized with the preliminary signal.

As such, the synchronization sensor 260 enables the double sheet detection sensor 250 to detect whether or not the medium is conveyed under tension, and the first conveying unit 220 according to the double sheet detection of the double sheet detection sensor 250. Ensure that the stop of the vehicle is as quick and accurate as possible. Since the synchronization sensor 260 is sufficient to detect the degree of passage of the medium, the synchronization sensor 260 does not have to have a higher sensitivity and accuracy than the aforementioned double sheet detection sensor 250. That is, the double sheet detection sensor 250 should be sensitive to the amount of light passing through the medium because it should detect the overlapped state, but the synchronization sensor 260 is simply dark and light according to the passage of the medium. It will be enough if you detect it.

In addition, the synchronization sensor 260 as described above may be provided adjacent to the double sheet detection sensor located before or after the contact point of the conveying roller disposed adjacent to the media depositing unit 210 along the moving direction of the medium.

 That is, as shown in FIG. 4, the synchronization sensor 260 may be disposed before the contact point of the conveying roller disposed adjacent to the media depositing unit 210 along the moving direction of the medium. 260 'may be disposed after the contact point of the conveying roller disposed adjacent to the medium depositing portion 210 along the advancing direction of the medium.

In addition, as shown in FIG. 4, when the synchronization sensor 260 is disposed before the contact point of the conveying roller disposed adjacent to the media depositing unit 210 along the moving direction of the medium, the synchronization sensor 260 is simply a double sheet detecting sensor. Generate a preliminary signal for synchronization of the 250, and determines whether or not the medium is transferred by the signal detected by the double sheet detection sensor 250 and at the same time whether the medium depositing unit 210 is operated (medium depositing unit 210) ) Can be determined.

On the contrary, when the synchronization sensor 260 'is disposed after the contact point of the conveying roller disposed adjacent to the media depositing portion 210 along the advancing direction of the medium, the double sheet detecting sensor 250 simply passes. Only the medium is detected whether the medium is sold, the synchronization sensor 260 'generates a preliminary signal for synchronization of the double-sheet detection sensor 250 and at the same time it is possible to determine whether the operation of the medium depositing unit (210).

In some cases, instead of the above-described synchronization sensor 260 ′, the transfer roller 222 of the first transfer unit 220 in which a separation detection sensor (not shown) for simply detecting a medium is disposed adjacent to the media depositing unit 210. It may be provided between the contact and the double sheet detection sensor 250, the control unit 240 may operate the medium depositing unit 210 only when the medium is not detected by the separation detection sensor.

As such, the sensor (synchronization sensor or separation detection sensor) disposed after the contact point of the conveying roller disposed adjacent to the media depositing unit 210 along the advancing direction of the medium simply determines whether the media depositing unit 210 is operated. It may be provided for the purpose or may be provided for synchronization with the double sheet detection sensor 250 at the same time as determining whether the medium depositing unit 210 operates.

The media storage unit is provided to store the deposited media, the media conveyed through the first conveying unit 220 and the second conveying unit 230 is transported along a predetermined transport path and is provided at the bottom of the housing. The transfer transaction can be completed while being transferred to the media storage.

Meanwhile, various additional devices such as a reject part, a temporary stack part, and the like may be provided between the second transfer part 230 and the medium storage part, and the additional devices may be variously changed according to required conditions and design specifications. Can be. For example, a medium recognition unit 300 for determining whether the deposited medium is a normal medium or an abnormal medium between the second transfer unit 230 and the medium storage unit, and a reject unit for recovering abnormal mediums from the deposited medium. (RJ; Reject Box) 400, a temporary stack unit (ES; Escrow Box) 500 for temporarily storing a normal medium of the deposited media, a retract unit (RT; Retract Box) for recovering unreceived media in the medium 600 or a special storage unit (FN) 700 for storing a counterfeit medium among certain abnormal media may be provided. In addition, each of the above-described additional devices may be connected by a conventional transport means consisting of a belt and a roller.

Hereinafter, a control method of a media deposit apparatus according to an embodiment of the present invention will be described. 6 is a flowchart illustrating a control method of the media deposit apparatus according to the present invention.

As shown in FIG. 6, in the control method of the media deposit apparatus according to an embodiment of the present invention, discharging the media deposited in the media deposit unit 210 in a sheet unit, and discharge from the media deposit unit 210. Conveying the used medium through the first conveying unit 220, determining whether there is a portion of the double sheet having a predetermined length or more from a leading edge of the medium while the medium passes through the first conveying unit 220, and Stopping the operation of the first transporter 220 while maintaining the operation of the second transporter 230 when it is determined that the double sheet is detected from the front end of the medium.

First, the medium deposited in the medium depositing unit 210 is discharged in a sheet unit by using the pickup roller 212, the feed roller 214, and the gate roller 216.

Next, the medium discharged from the medium depositing unit 210 is conveyed through the first conveying unit 220. In this step, the medium may be conveyed along the conveying path of the first conveying unit 220. In addition, in the step of conveying the medium through the first conveying unit 220, the first conveying unit 220 may be operated before the medium depositing unit 210 operates, and in some cases, the medium depositing unit ( After the operation of 210 starts, the first transport unit 220 may be operated sequentially.

Next, while the medium is passing through the first conveying unit 220, it is determined whether there is a part of the double sheet more than a predetermined length from the leading edge of the medium.

That is, in this step, it is possible to determine whether or not the medium passing through the double sheet detection sensor 250 disposed on the conveyance path of the first conveying unit 220, the double sheet detecting sensor 250 passes through the medium. The amount of light may determine whether the medium is double sheeted. In some cases, the present invention may be configured to determine whether a sheet is sold by other methods, and the present invention is not limited or limited by the sensing method of the sheet detecting sensor 250.

Thereafter, when it is determined that the double sheet is detected from the front end of the medium conveyed through the first conveying unit 220 more than a predetermined length, the first conveying unit 220 maintains the operation of the second conveying unit 230. Stops operation.

That is, a portion of the medium immediately after the medium discharged from the medium depositing unit 210 may be drawn out of the medium depositing unit 210 and disposed up to the conveying path of the first conveying unit 220. When such a situation is detected by the double sheet detection sensor 250, the control unit 240 allows the operation of the first transport unit 220 to be stopped while the operation of the second transport unit 230 is normally maintained. . Therefore, the first conveyed medium may be normally conveyed through the second conveying unit 230, and the immediately following medium is constrained by the conveying roller of the first conveying unit 220 whose rotation is constrained and no longer the second conveying medium. It may be restrained without being conveyed to the conveying unit 230 side (see FIG. 3).

On the other hand, before determining whether the medium is double, it is possible to detect whether the medium passes through the synchronization sensor 260 provided adjacent to the rear of the double detection sensor 250 along the direction of the medium, the double detection sensor 250 may be synchronized with the signal detected by the synchronization sensor 260 to detect whether the medium is double sheeted.

That is, in this step, before the conveyed medium reaches the double sheet detection sensor 250, the medium to be passed may be recognized to generate a preliminary signal. Synchronized with the signal, it is possible to detect whether the medium carried under so-called tension is double-sheeted. In this manner, the double sheet detection sensor 250 may detect whether the medium to be conveyed under tension is detected, and the stopping of the first conveying unit 220 according to the double sheet detection of the double sheet detecting sensor 250 is as quick as possible. And make sure it is done correctly.

In addition to the above-described double sheet detection, when the medium is detected through the double sheet detection sensor 250, the medium depositing unit 210 may be stopped, and when the absence of the medium is detected, the medium depositing unit 210 may be operated. have. In this case, the synchronization sensor 260 may be disposed before the contact point of the conveying roller disposed adjacent to the media depositing unit 210 along the advancing direction of the medium, in which case the synchronization sensor 260 is simply a double sheet detecting sensor 250. ) To generate a preliminary signal for synchronization, and determines whether the medium is transferred by the signal detected by the double sheet detection sensor 250 and at the same time whether the medium depositing unit 210 is operated (from the medium depositing unit 210). Can be discharged from the medium) (see Fig. 4).

Alternatively, when the medium is detected through the above-described synchronization sensor 260 ′, the medium depositing unit 210 may be stopped. In this case, the synchronization sensor 260 ′ may be disposed after the contact point of the conveying roller disposed adjacent to the medium depositing unit 210 along the moving direction of the medium, and in this case, the double sheet detecting sensor 250 may simply Only whether the sheet is detected, the synchronization sensor 260 ′ may generate a preliminary signal for synchronization of the double sheet detection sensor 250 and determine whether the medium depositing unit 210 is operated (see FIG. 5).

In some cases, instead of the above-described synchronization sensor 260 ′, the transfer roller 222 of the first transfer unit 220 in which a separation detection sensor (not shown) for simply detecting a medium is disposed adjacent to the media depositing unit 210. It may be provided between the contact point and the double sheet detection sensor 250, the medium depositing unit 210 can be operated only when the medium is not detected by the separation detection sensor. That is, the separation detection sensor disposed after the contact point of the conveying roller 222 of the first conveying unit 210 disposed adjacent to the medium depositing unit 210 along the moving direction of the medium is synchronized with the double sheet detecting sensor 250. Irrespective of this, it may be provided to simply determine whether the medium depositing unit 210 operates.

Although the above-described media deposit apparatus has been described in terms of a financial automatic teller machine for depositing, it can be applied not only to the automatic teller machine for deposit and withdrawal, but also to the technical idea or the present invention which can be grasped from various viewpoints. It should be understood as a minimum description of the technology, and not as a boundary limiting the present invention.

As described above, although described with reference to the preferred embodiment of the present invention, those skilled in the art various modifications and variations of the present invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

1 is a view showing the structure of a financial teller machine to which a media deposit apparatus according to the present invention is applied.

2 and 3 is a view showing the structure and operation structure of the media deposit apparatus according to the present invention.

4 and 5 are views showing the structure of a media deposit apparatus according to another embodiment of the present invention.

6 is a flowchart illustrating a control method of the media deposit apparatus according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: automated teller machine 200: media deposit device

210: media deposit unit 220: first return unit

230: second conveying unit 240: control unit

250: double sheet detection sensor 260: synchronization sensor

Claims (10)

A media depositing unit for discharging the deposited media in sheets; A first conveying unit for conveying the medium discharged in a sheet unit; A second conveying unit which is continuously provided to the first conveying unit to convey the medium, and which is driven independently of the first conveying unit; A double sheet detecting sensor configured to detect whether there is a double sheet portion of the medium to be conveyed by being disposed on a conveying path of the first conveying unit; And A control unit for stopping the operation of the first transport unit while maintaining the operation of the second transport unit when a double sheet is detected from the front end of the medium over a predetermined length; Media deposit apparatus comprising a. The method of claim 1, And the first conveying unit and the second conveying unit convey the medium along a longitudinal direction of the medium. The method according to claim 1 or 2, The first conveying unit includes a plurality of conveying rollers interlocked with each other, And the double sheet detecting sensor is provided adjacently after a contact point of a conveying roller disposed adjacent to the medium depositing unit along a moving direction of the medium. The method of claim 3, And a synchronization sensor provided adjacent to the rear of the double sheet detection sensor along a traveling direction of the medium so as to be synchronized with the double sheet detection sensor. The method of claim 4, wherein And the synchronization sensor is provided before or after the contact point of the conveying roller disposed adjacent to the media depositing portion along the advancing direction of the media and provided adjacent to the double sheet detecting sensor. The method of claim 3, The apparatus further includes a separation detecting sensor provided between the contact point of the conveying roller disposed adjacent to the medium depositing unit and the double sheet detecting sensor, wherein the control unit is configured to deposit the medium only when the medium is not detected by the separating detecting sensor. Media deposit apparatus characterized in that for operating the unit. A medium depositing unit for discharging the deposited medium in sheets, a first conveying unit for conveying the medium discharged in sheets, and continuously provided in the first conveying unit to convey the media, and In the control method of the medium depositing device including a second conveying unit to be independently driven, a double sheet detecting sensor for detecting whether there is a double sheet of the medium to be conveyed disposed on the conveying path of the first conveying unit, Discharging the medium deposited in the medium depositing unit in a sheet unit; Conveying the medium discharged from the medium depositing unit through the first conveying unit; Determining whether there is a portion of the double sheet that is longer than a predetermined length from the leading edge of the medium while the medium passes through the first conveying unit; And And stopping the operation of the first conveying unit while maintaining the operation of the second conveying unit when it is determined that the double sheet is detected from the front end of the medium more than a predetermined length. The method of claim 7, wherein Providing a synchronization sensor adjacent to the double sheet detecting sensor at a position before or after the contact point of the conveying roller of the first conveying unit disposed adjacent to the media depositing unit with respect to the advancing direction of the medium, and detected by the synchronization sensor And controlling the double sheet detecting sensor in response to one signal. The method of claim 8, The media depositing device control method of claim 2, wherein the medium depositing unit is stopped when the medium is detected through the double sheet detecting sensor, and the medium depositing unit is operated when the absence of the medium is detected. The method of claim 8, Providing a separation detecting sensor between the contact point of the conveying roller of the first transfer part disposed adjacent to the medium depositing unit and the double sheet detecting sensor, and stopping the medium depositing unit when the medium is detected through the separation detecting sensor, And controlling the medium depositing unit when the absence of the medium is detected.

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