JPH0115907B2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention is installed in the stores of financial institutions such as banks, and allows banknote deposits and payments to be made with one device according to the user's wishes. Regarding automated teller machines that make it possible.

[Conventional technology]

Conventionally, this type of automatic teller machine 1, as shown in FIG. A payment port 3 is provided, and a payment port 3 is provided.
A deposit slot 5 constituting a deposit section is provided on the right side of the figure.

In this way, in the automatic teller machine 1, the payment section and the deposit section are configured separately and independently.
Among these, the deposit department has conventionally been configured as shown in FIG.

That is, the payment section 6 has a bill slot 7,
The banknotes 9 inserted into the input slot 7 are collectively transferred to the input section 1.
0, and is conveyed one by one from the input section 10 to the discrimination section 12 by a feed roller or the like.

In the discrimination section 12, the width, thickness, and length of the banknote are detected by the detection head 13, and the authenticity and denomination of the inserted banknote 9 are determined.

The banknotes judged by the discrimination section 12 are further conveyed to the switching gate 15 by a feed roller or the like.

The switching gate 15 transports the banknotes that have been judged to be incorrect according to the authenticity result of the banknotes determined by the verification unit 12 to the return slot 16 along the arrow A in the figure, returns them to the depositor, and then inserts the banknotes again. The conveyance path is selected so as to encourage banknotes, and the conveyance path is switched by the switching gate 15 for the banknotes that are determined to be genuine banknotes as a result of the discrimination, and the banknotes are conveyed to the store section 17 .

The banknotes 9 conveyed and pooled in the store section 17 are stored in the deposit storage box 20 by the pusher 19 when a transaction is completed, and when the transaction is unsuccessful, they are conveyed along the arrow B in the figure by a return conveyor 21 or the like. , are returned all at once to the return slot 16.

On the other hand, as shown in FIG.
Statska 2 in which different types of banknotes 9 are stored respectively
According to the payment amount, the stacker 23, 23' is equipped with suction heads 25, 25' provided on the banknote feeding side to suck the banknote, as shown by arrows C, D, and E in the figure. The banknotes 9 are conveyed, held between the blades 26a of the rotating impeller 26, and pooled on the tray 28.

When a transaction is completed for the banknotes 9 pooled in the tray 28, as shown in FIG. Pay out.

In addition, if the transaction is unsuccessful due to a discrepancy between the amount to be paid and the actual amount on the tray 28, the tray 28 is rotated downward as shown in FIG. The banknotes 9 are dropped and stored.

[Problem that the invention seeks to solve]

In this way, the automatic teller machine 1 includes functions such as the feed roller 11 and suction heads 25 and 25' for feeding out a large number of banknotes 9 one by one, the store section 17, and the receiving tray 28. It has the same functions as the function of temporarily pooling the banknotes 9, the function of paying or returning the banknotes 9 of the depositor, and the function of storing the banknotes 9 in a storage section such as the reject box 32 or the deposit storage box 20. However, many devices are installed separately, and the deposit dispensing machine 1 becomes larger accordingly. In addition, it has many ports, such as a port for inserting banknotes, a port for paying bills, and a port for returning banknotes after insertion, making it difficult for customers to understand which port is used for what, making it difficult to operate. . Moreover, in order to inform the customer of which mouth to perform and what to do, it is necessary to give detailed instructions on a display unit or the like, and the control of the apparatus becomes complicated. Therefore, this makes it impossible to install as many deposit payment machines 1 as possible in a limited space such as inside a bank branch, and it is also difficult to cope with the recent trend of improving business efficiency and customer service. It is becoming difficult.

[Means to solve the problem]

In view of the above circumstances, the present invention is provided with a teller slot provided on a user's operation surface for inserting, dispensing, and returning banknotes, and in a position communicating with the teller slot, so that at least bills can be inserted through the teller slot. A first banknote pool part that holds some of the banknotes that have been received, banknotes to be paid out, and banknotes inserted from the teller slot in order to return counterfeit banknotes; a loop-shaped first conveyance route having a conveyance mechanism for conveying held banknotes and conveying banknotes for dispensing and returning to the first banknote pool; and the first conveyance route. a discrimination section disposed above the banknotes for discriminating the authenticity of the banknotes inserted through at least the teller opening and conveyed through the first conveyance route; If the banknote is a genuine banknote, the banknote is transported along the first transport route and returned to the first banknote pool, and if the banknote is determined to be a genuine banknote, the banknote is separated from the first transport route. a switching gate for switching the conveying direction of banknotes so that the banknotes are conveyed; a second conveyance route having a conveyance mechanism for conveying genuine banknotes separated from the first conveyance route by the switching gate; A genuine banknote pool part temporarily holds the genuine banknotes conveyed through the conveyance route at least until a transaction is completed; a plurality of banknote storage units that store banknotes to be paid out; a third banknote transport route for transporting genuine banknotes held in the genuine banknote pool unit to the banknote storage unit when a transaction is concluded; at least; The present invention is characterized by comprising a transport mechanism for transporting the banknotes temporarily held in the genuine banknote pool to the first banknote pool when a transaction is unsuccessful.

[Effect]

The present invention enables the miniaturization and cost reduction of the device by performing deposits, payments, and returning banknotes through the same teller slot as described above, and by sharing the banknote conveyance path for this purpose. The main focus of the present invention is to provide a conveyance mechanism for conveying banknotes temporarily held in a banknote pool part communicating with a teller port, as well as conveying banknotes for dispensing and returning to a banknote pool part communicating with a teller port. By providing a loop-shaped transport route with a banknote discriminator, a stacker for dispensing banknotes, etc. on the transport route, deposits, payments, and returns can be performed on the same transport route and from the same teller port. That is.

〔Example〕

Hereinafter, the present invention will be specifically explained based on an embodiment shown in the drawings.

As shown in FIG. 1, the automatic teller machine 1 has a card insertion slot 2 for secret number confirmation at the top, and a cash teller section below the card insertion slot 2 for inserting, returning, and paying bills. 33 is provided, and furthermore, an operation panel 35 for operating the deposit dispensing machine is provided below.

The automatic teller machine 1 is constructed as shown in FIG.

A shutter opening 30 is installed in the outlet 33 so as to be openable and closable.

At the rear of the teller port 33, a receiving tray 28, which is a first banknote pooling means, is provided rotatably in the directions of arrows F and G in the figure by a shaft 37. It is installed so as to be rotatable in the directions of arrows H and I in the figure.

A stopper 41 is provided at the tip of the saucer 28, and the stopper 41 rotates around a shaft 42 and can be stopped at three positions J, K, and L shown by imaginary lines in the figure.

Below the tray 28 is a third banknote transport route 6.
1'', two fixed gates 43, 43' and a movable gate 45 are provided. The movable gate 45 is arranged between the fixed gates 43, 43',
It can be rotated about the pin 46 in the directions of arrows M and N in the figure. A banknote storage box 47 is installed below the gates 43, 43', 45 so as to be detachable from the deposit dispensing machine 1.

As shown in FIG. 3, the banknote storage box 47, which is a banknote storage section, has a handle 48 on the side, and furthermore, banknote slots 47a and 47a' are provided on the top surface in the figure, so that banknotes can be stored in the banknote storage box 47. As shown in FIG. 4, shutters 49 are provided in the input ports 47a, 47a' so as to be slidable in the directions of arrows P and Q in the figure. A compression spring 50 is compressed between the shutter 49 and the side surface of the storage box 47.
is constantly biased in the direction of arrow P in the figure. The left end of the shutter 49 in the figure is a bent part 49 bent in a U-shape.
a, and a hole 47b is bored at a position facing the bent portion 49a of the storage box 47. Further, at the bottom of the hole 47b, a U-shaped latch 51 having engaging portions 51a and 51a' is rotatably attached by a pin 52 in the directions of arrows R and S in the figure. There is a spring 53 between
is tensioned, and constantly urges the latch 51 in the direction of arrow R in the figure. Further, the tip of one engaging portion 51a of the latch 51 is formed to be one step longer than the other engaging portion 51a'. Furthermore, a small hole 47c is bored in the lower part of the hole 47b of the storage box 47 at a position corresponding to the latch 51. The banknote storage box 47 has a small hole 5 inside.
Reject chamber 47d by partition wall 55 having
It is divided into a deposit storage room 47e and a deposit storage room 47e, forming an independent banknote storage space.
Reference characters e are provided corresponding to the positions of the bill slots 47a and 47a'. Further, as shown in FIG. 3, a reject chamber 47 is provided on the side of the bill storage box 47.
d and doors 56, 5 corresponding to the deposit storage room 47e.
The doors 56 and 56' are each provided with a separate key 5.
9, 59' are installed, and each door 56, 56' can be opened and closed independently. On the other hand, as shown in FIG. 5, two bars 60, 60' are fixedly installed in the part where the banknote storage box 47 is installed on the side of the deposit dispensing machine 1. is the upper bar 60
It is formed slightly longer than the

By the way, the conveyance mechanism of the first banknote conveyance route of the automatic teller machine 1 is composed of conveyors 62, 62', 63, 64, and 67, as shown in FIG.

In other words, conveyors 62 and 62' are provided diagonally below the stopper 41 of the automatic teller machine 1 in the figure, and the tips of the conveyors 62 and 62' are used for handling two types of banknotes, for example, different denominations. An opening 23a is formed at the bottom of the tip of the stacker 23 as a banknote storage section in which banknotes are stored.

Further, the upper part of the stacker 23 in the figure is screwed into a separator metal fitting 23d, and by rotating the motor 23c in forward and reverse directions, the metal fitting 23b moves as shown by the arrows T and U in the figure.
The metal fitting 23b can be moved in the direction of arrow U.
When moving in the direction, the metal fitting 23b and the stacker 2
Another banknote pool space 23g, which is a second banknote loop means, is formed between the three tip ends. Pressing plates 23e, 23e' are slidably fitted to shafts 23f, 23f' in the stackers 23, 23', and the pressing plates 23e, 23e' are constantly biased to the left in the figure by appropriate means. ing.

Furthermore, suction heads 25, 25', which are feeding means, are arranged on the banknote feeding side of the stackers 23, 23'.
The bills 9 in the stackers 23, 23' can be sucked one by one and pulled out of the stackers 23, 23'. On the left side of the stacker 23 in the figure, conveyors 63 and 64 that constitute the first banknote conveyance route 61 are provided.
A large number of detection heads 1 are installed in the portion where the sensors 3 and 64 are translated.
A discrimination section 12 consisting of three components is provided.

On the other hand, conveyors 66, 66' and 67 are provided on the left side of the stacker 23' in the figure via conveyance rollers 65 and 65'. ' constitutes the transport mechanism.

Further, the conveyor 67 is arranged in parallel with the conveyor 63 to form a first conveyance route 61.

A switching gate 15 is provided at the contact point between the conveyor 66 and the conveyor 63 so as to be rotatable in the directions of arrows V and W in the figure, and at the tip of the conveyor 67 there is an impeller 26 with a large number of blades 26a planted therein. is rotationally driven in the direction of arrow X in the figure by appropriate means.

On the other hand, at the tips of the conveyors 66, 66', a tray 28' serving as a pool of genuine banknotes is installed rotatably in the directions of arrows F' and G' in the figure by means of a shaft 37'. The feeding roller 29' is the arm 40'
It is rotatably provided in the H' and I' directions in the figure via the .

The present invention has the above configuration,
When using the automatic teller machine 1 to accept deposits and make payments, first open the banknote storage box 47.
It is inserted into the lower part of the deposit dispensing machine 1 as shown in FIG. Then, as shown in FIG.
The bars 60 and 60' provided in the storage box 47 fit into the hole 47b and the small hole 47c, and first
The latch 51 whose tip end is rotated about the pin 52 in the direction of arrow S in the figure against the spring 53. When the latch 51 rotates in the S direction, the engaged state is maintained through the bent portion 49a of the shutter 49 and the engaging portion 51a, and the engaged state of the shutter 51 with the shutter 49 is released. When the bar 60' disengages the latch 51 and the shutter 49, the tip of the bar 60 then comes into contact with the bent portion 49a of the shutter 49, causing the shutter 49 to move in the direction of the arrow Q in the figure against the compression spring 50. make it slide. In this way, by inserting the bill storage box 47 to the left in the figure, that is, in the direction of the arrow P, and installing it inside the deposit dispensing machine 1, the shutter 49 is opened and the bill slot 47 is inserted.
a, 47a', therefore, the interior of the deposit dispensing machine 1, the redirect chamber 47d and the deposit storage chamber 47e are communicated with each other.

Next, during the payment operation, as shown in Figure 1,
First, the payout amount is specified using the operation panel 35 of the deposit dispensing machine 1. Then, according to the specified amount, the suction head 2 installed at the tip of the stacker 23, 23'
5 and 25' operate, and as shown in FIG. 2, two types of payment banknotes 9 are sucked one by one until the total amount is paid out and the amount is reached, and placed on the first banknote conveyance route 61. . At this time, the separator fitting 23b of the stacker 23 is
The stacker 23 has moved to the far left, and the metal fitting 23b
does not interfere with the suction operation of the suction head 25. Further, the switching gate 15 rotates in the direction of arrow V, and the banknotes 9 picked up from the stacker 23 are transferred to the conveyor 6 through the conveyance route 61.
3 and 64, the money is conveyed in the direction of the impeller 26 between the conveyors 63 and 67 via the switching gate 15, but the discrimination section 12 between the conveyors 63 and 64 is in an inactive state at the time of payment. In other words, Statzka 23,
This is because the banknotes fed out from 23' have been stored in advance and do not include counterfeit banknotes. At this time, the identification section that only checks the denomination for confirmation without performing authentication is transferred to the conveyor 6.
If the payment is made in the middle of 3.67, the identification process will be quick and the payment can be made reliably.

On the other hand, the banknotes 9 picked up by the suction head 25' from the stacker 23' are passed through the switching gate 15 by conveyance rollers 65, 65', and are similarly passed between the conveyors 63, 67, which is the first conveyance route 61, by the impeller 26. conveyed in the direction. The banknotes 9 conveyed to the impeller 26 are held one by one between the blades 26a of the impeller 26, are rotated and transferred in the direction of arrow X by the rotation of the impeller 26, and are stopped at position J in the figure. It is thrown off from the blade 26a onto the saucer 28 by the stopper 41.

A predetermined number of banknotes 9 are pooled on the tray 28, and when the payout amount and the amount on the tray 28 become equal, the payout roller 29 rotates downward in the direction I in the figure via the arm 40, and the bills on the tray 28 are removed. 9 is sandwiched between the roller 29 and the shaft 37, the shutter 30 is opened to open the teller port 33b, and the roller 29 is further driven to transport the bills 9 on the tray 28 all at once to the teller port 33b to make a payment. Complete the action.

In addition, if the amount on the tray 28 and the payout amount are different or the transaction is not completed, the stopper 4
1 moves to position K in the figure through the shaft 42 as shown by the imaginary line, and the movable gate 45 also rotates about the pin 46 in the direction of arrow N in the figure, and the tip of the gate 45 and the fixed gate 43 ′ comes into contact with the tip. Next, the tray 28 rotates in the downward direction of the arrow around the shaft 37, and the banknotes 9 pooled on the tray 28 fall downward between the fixed gate 43 and the movable gate 45.
The banknotes are stored in the reject chamber 74d through the slot 47a of the banknote storage box 47. If the transaction is unsuccessful, the operation of the deposit dispensing machine 1 ends, but if the payout amount and the amount on the tray 28 are different, the banknotes 9 on the tray 28 are put into the bill storage box 47. Thereafter, the banknotes 9 are fed out from the stackers 23, 23' again, and the above-described payment operation is restarted.

Next, during deposit acceptance operation, as shown in Figure 1,
By operating the operation panel 35 of the deposit dispensing machine 1, the deposit dispensing machine 1 is brought into a deposit accepting state. That is, as shown in FIG. 2, the tip of the movable gate 45 is rotated in the direction of arrow M in the figure with the tip of the movable gate 45 in contact with the tip of the fixed gate 43, and then the motor 23c of the stacker 23 is rotated.
is driven to move the separator metal fitting 23b together with the payment banknotes 9 in the stacker 23 and the pressure plate 23e in the direction of arrow U in the figure through the screw 23d, thereby creating another banknote pool space between the separator metal fitting 23b and the tip of the stacker 23. 23g is formed, and further the identification section 1
Operate 2.

In this state, the shutter 30 opens and the banknotes to be deposited are thrown into the tray 28 from the teller port 33 all at once. When the user finishes inserting banknotes, the shutter 30 is closed. Next, the feeding roller 29 is rotated in the direction of the arrow I in the figure via the arm 40, and the inserted bill 9 is sandwiched between the roller 29 and the shaft 37, and the stopper 41 is moved from the position J in the figure to the imaginary line L. position via shaft 42. Therefore, the feeding roller 29 is driven to remove the banknotes 9 on the tray 28.
are placed in bulk between conveyors 62 and 62'.
The inserted banknotes 9 are conveyed downward in the figure along the first banknote conveyance route 61 by conveyors 62, 62', and are pooled in the banknote pool space 23g through the opening 23a of the stacker 23. Then motor 2
3c is driven, and the separator fitting 23b moves in the direction of the arrow T in the figure together with the payment banknotes 9 in the stacker 23 and the pressing plate 23e through the screw 23d, allowing the suction head 25 to suction the banknotes 9 in the pool space 23g. move it to a certain position. When the movement is completed, the suction head 25 is operated and the pool space 23g is
The banknotes 9 sent out one by one between the conveyors 63 and 64 are sent to the detection head 13 in the discrimination section 12.
The width, thickness, length, etc. are detected, the authenticity and denomination of the inserted banknote 9 are determined, and the banknote 9 is sent to the switching gate 15 side. The switching gate 15 rotates in the directions of arrows W and V in the figure, and the banknotes 9 that have been verified as genuine banknotes are transferred from the gate 15 to the second banknote by conveyors 66, 66'.
The banknotes pass through the banknote transport route 61' and are pooled on the tray 28'. At the time of payment, the impeller 26 similarly pools the banknotes 9 which are found to be counterfeit banknotes on the tray 28 by means of the blades 26a, and fills the banknote pool space 23g.
When the suction and delivery of the banknotes 9 in the tray is completed, the banknotes 9 on the tray 28 are again thrown into the banknote pool space 23g via the conveyors 62, 62', and re-discrimination is performed to improve the discrimination system.

Banknotes 9 that are judged to be incorrect even after being judged again are returned to the depositor through the teller port 33 by lowering the payout roller 29 from the receiving tray 28 in the direction of the arrow I in the figure. Regarding the banknotes 9 that have become genuine banknotes and are pooled on the tray 28', if the transaction is unsuccessful, the tray 28', which is a transfer mechanism, is rotated in the direction F' in the figure to remove the banknotes 9 on the tray 28'. The feed roller 29 is rotated via the arm 40 and held between the shaft 37 and the feed roller 29, and the shutter 30
When opened, the payout roller 29 is driven to return the banknotes 9 all at once to the depositor.

When a transaction is completed, the saucer 28' is rotated from the shaft 37' in the direction of the arrow F' in the figure as shown by the imaginary line, and the saucer 28 is also rotated by the shaft 37 in the direction of the arrow F' in the figure as shown in the imaginary line. It rotates as shown by the line, and the stopper 41 also moves from the J position to the K position, and the saucer 2
The banknotes 9 on the top 8' are guided by the tray 28, the stopper 41, the movable gate 45, and the fixed gate 43' and fall downward, into the slot 47 of the banknote storage box 47.
It is stored in the deposit storage chamber 47e from a'. banknote 9
is stored in the banknote storage box 47, the tray 28,
28' rotate in the G and G' directions, and the stopper 41 also returns to the J position and enters a standby state for the next payment or deposit operation.

In this way, when the payment and deposit operations are performed and the banknote storage box 47 is full of banknotes 9,
When the banknote storage box 47 is full of banknotes 9, the banknote storage box 47 is pulled out in the direction of the arrow Q in the figure by holding the handle 48, as shown in FIG. Then, as the storage box 47 moves, the shutter 49 starts to move in the direction of arrow P in the figure while maintaining the state of contact and engagement with the bar 60 due to the elasticity of the compression spring 50, and closes the input port 47a. , 47a' are gradually closed. When the bar 60 is removed from the hole 47b of the storage box 47, the bent portion 49a of the shutter 49 abuts and engages with the side wall of the storage box 47, and by further pulling out the storage box 47 in the direction of arrow Q, the bar 60' also opens through the small hole. It comes off from 47c. Then, the latch 51, which had been rotated about the pin 52 in the direction of arrow S in the figure by the bar 60', is disengaged from the bar 60' and the engaging portion 51a', and the elasticity of the spring 53 is released. The latch 51 rotates in the direction of the arrow R in the figure, and the engaging portion 51a of the latch 51 and the bent portion 49a of the shutter 49 engage as shown in FIG. Therefore, the input ports 47a, 47a' are securely fixed in a closed state. Next, deposit machine 1
As shown in FIG. 3, the storage box 47 taken out from the storage box 47 is opened by unlocking the doors 56, 56' with the hinges 57, 57 as shown in the imaginary line by unlocking the keys 59, 59' provided individually. ' is unfolded forward and the banknotes 9 in the reject chamber 47d and the deposit storage chamber 47e are taken out. The storage box 47 from which the banknotes 9 have been taken out is inserted into the deposit dispensing machine 1 with the doors 56 and 56' closed and locked again.

〔effect〕

As explained above, according to the present invention, a loop-shaped banknote conveyance route is provided in a deposit dispensing machine, and the conveyance route is shared during deposits, payments, and returns, thereby allowing a single mechanism to handle deposits. Acceptance and payment are possible, and there is one teller port, and this one teller port can be used to input banknotes, withdraw banknotes, and return banknotes that are identified as counterfeit banknotes when depositing banknotes. By doing so, the user can easily handle the banknotes, and the user's operability can be improved.

In addition, the entire device can be significantly downsized compared to the conventional deposit dispensing machine 1 which has separate deposit and payment sections, allowing more deposit payments to be made in a limited space such as inside a bank store. This makes it possible to contribute to improving banking business rates and customer service.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of an automatic teller machine according to the present invention, FIG. 2 is a mechanism diagram showing an embodiment of the internal mechanism of an automatic teller machine according to the present invention, and FIG.
The figure is a perspective view showing an embodiment of the banknote storage box, FIG. 4 is a front cross-sectional view taken from the negative side of FIG. 3, FIG. 5 is an operation diagram showing the operation of the banknote storage box in FIG. 7 is a perspective view showing a conventional automatic teller machine;
Figure 8 is a mechanism diagram showing the internal mechanism of the deposit section of a conventional automatic teller machine, Figure 8 is a mechanism diagram showing the internal mechanism of the payment section of a conventional automatic teller machine, Figures 9 and 1.
FIG. 0 is an operational diagram showing the operation of a tray in a payment section of a conventional automatic teller machine. 1... Automatic teller machine, 9... Banknotes, 12...
Identification section, 15...Switching gate, 23, 23'...
Stacker, 23g...Second bill pooling means (bill pool space), 25, 25'...Delivery means (suction head), 28...First paper pooling means (receptacle), 28'...Genuine bill Pool part, 33... teller port, 45... movable gate, 47d... first bill storage space (reject room), 47e... second bill storage space (deposit storage room), 61... first bill storage space Banknote conveyance route for banknotes, 61'...Second banknote conveyance route, 61''...Third banknote conveyance route.

Claims (1)

[Scope of Claims] 1. A teller slot provided on a user's operation surface for inserting, dispensing, and returning banknotes; and a teller slot provided in a position communicating with the teller slot, at least for banknotes inserted through the teller slot. a first banknote pool part that holds some of the banknotes to be paid out and banknotes inserted from the teller slot in order to return counterfeit banknotes; a loop-shaped first banknote conveyance route having a conveyance mechanism for conveying banknotes to be dispensed and returned to the first banknote pool; a discrimination unit disposed at least at the counter and discriminating the authenticity of the banknotes that have been fed through the first transfer route; If the banknote is determined to be a genuine banknote, the banknote is transported along the first transport route and transported back to the first banknote pool, and if the banknote is determined to be a genuine banknote, the banknote is separated from the first transport route. a second banknote transport route having a transport mechanism for transporting genuine banknotes separated from the first transport route by the switching gate; A genuine banknote pool part that temporarily holds the genuine banknotes conveyed through the conveyance route at least until a transaction is completed; a plurality of banknote storage units that store banknotes to be dispensed; a third banknote transport route for transporting genuine banknotes held in the genuine banknote pool unit to the banknote storage unit when a transaction is completed; and at least a transaction. If the banknotes are not accepted, the banknotes temporarily held in the genuine banknote pool are transferred to the first
An automatic teller machine comprising: a transfer mechanism for transferring banknotes to a banknote pool;