BACKGROUND OF THE INVENTION
1. Field of the Invention
[0001] The present invention relates to an automated teller machine (ATM) connected to a
host computer and used in various banking organizations, more particularly, it relates
to an update processing system for the automated teller machine to perform high speed
update processing of the data accumulated therein.
2. Description of the Related Art
[0002] Recently, automated teller machines are widely provided in banking organizations.
In general, this type of machine is installed at a counter and is operated by a customer
to perform a customer's transaction, for example, a deposit, payment, inquiry, etc.
Such transactions are performed by insertion of a customer's card and by operation
of a keyboard by the customer. In general, a plurality of automated teller machines
are provided at the counter, and each of the automated teller machines is connected
in parallel to a host computer through certain lines.
[0003] In this case, there are two application modes of the automated teller machine, i.e.,
an ON-line transaction mode and an OFF-line transaction mode. In the former, the line
is connected between the host computer and the automated teller machine, and the transaction
is performed after an inquiry of contents between the host computer and the machine.
In the later, the line is disconnected between the host computer and the machine,
and the transaction is performed after an inquiry of contents at the machine itself.
In general, many machines have both modes, and the ON-line mode is changed to the
OFF-line mode when the host computer is busy or the machine does not receive a response
from the host within a predetermined time interval (time-out). The present invention
is particularly advantageous in the OFF-line mode.
[0004] The host computer transfers various data to the machine, for example, reference data
including negative account data and various parameters, and update data thereof. Meanwhile,
the machine transfers an OFF-line transaction data to the host computer to update
a master file therein. In the OFF-line mode, the machine judges whether the transaction
is proper or not by referring to the various data accumulated (below, accumulated
data) therein.
[0005] The update processing of the accumulated data in the machine is usually performed
before opening of a line between the machine and the host computer.
[0006] Many problems occur, however, in the update processing. For example, it is often
necessary to open the line between the machine and the host computer and it is troublesome
to recover the system when a failure accidentally occurs in the transmission/reception
of the accumulated data.
[0007] Document US-A-4 114 027 discloses an automatic banking system comprising at least
one remote transaction and cash dispensing unit interconnected with a central unit
via a communication network. Each remote unit is operable according to two operation
modes representing a direct communication between the central unit and the remote
unit or an internal transaction processing within the remote unit, said modes being
determined by the central unit.
[0008] Document US-A-4 091 448 also describes an automatic banking system comprising a central
processor which is interconnected with at least one local processor via a communication
network. The local processors can be operated either in an off-line or an on-line
mode.
SUMMARY OF THE INVENTION
[0009] The object of the present invention is to provide an update processing system for
an automated teller machine enabling high speed update processing of the accumulated
data.
[0010] This object is solved by an update processing system for an automated teller machine
comprising the features contained in claim 1. Advantageous embodiments of the update
processing system according to the present invention are defined in the dependent
claims.
[0011] In accordance with the present invention, there is provided an update processing
system for an automated teller machine connected to a host computer, including: a
holding memory for storing accumulated data consisting of reference data and transaction
data; a holding data management unit operatively connected to the holding memory for
reading the accumulated data from the holding memory, updating the reference data
based on the data already updated by the host computer, and writing the transaction
data to the holding memory; a pending transaction unit operatively connected to the
holding data management unit and the host computer, and for controlling the update
processing of the holding data management unit based on the reception request from
the host computer, and sending the transaction data read out by the holding data management
unit to the host computer based on the transmission request from the host computer;
and a transaction unit operatively connected to the holding data management unit,
and for requesting a read or write of the accumulated data from or to the holding
data management unit
BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In the drawings:
Fig. 1 is a schematic block diagram of a conventional transaction system;
Fig. 2 is a flowchart for explaining transaction and update processing in the transaction
unit 5 in the ATM 4 shown in Fig. 1;
Fig. 3 is a schematic block diagram of an update processing system according to the
present invention;
Fig. 4 is a schematic block diagram of an update processing system according to an
embodiment of the present invention;
Fig. 5 is a flowchart for explaining an OFF-line transaction;
Fig. 6 is a flowchart for explaining pending transaction processing; and
Fig. 7 is a basic structure of an automated teller machine to which the present invention
is applied.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0013] Before describing the preferred embodiments, an explanation is given of a conventional
system.
[0014] Figure 1 is a schematic block diagram of a conventional transaction system. In Fig.
1, reference number 1 denotes a host computer (HOST), 2 a transaction unit provided
in the host computer, and 3 a management unit also provided in the host computer.
Reference number 4 denotes an automated teller machine (ATM), 5 a transaction unit
(TU), 6 a management unit, 7 an ON-line transaction unit, 8 a switching unit, 9 an
OFF-line unit, 51 an OFF-line transaction data storage unit, and 52 a negative account
data storage unit. These units 7 to 9 and 51, 52 are provided in the transaction unit
5. Reference number 27 denotes a customer operation unit, and 31 a line control unit.
[0015] In the system having the ON-line and OFF-line transaction function, a transaction
route and management route are always provided in the system. In the transaction route,
the transaction data TD and the accumulated data AD are controlled and managed in
the transaction unit 2 of the HOST 1 and the transaction unit 5 of the ATM 4 through
the line control unit 31. In the management route, the system is controlled and managed
by transferring management/control data MD between the management unit 3 of the HOST
1 and the management unit 6 of the ATM 4 through the line control unit 31.
[0016] In the transaction unit 5 of the ATM 4, the ON-line transaction unit 7 performs the
transaction to the customer after inquiry to the transaction unit 2 in the HOST 1.
The OFF-line transaction unit 9 performs the transaction to the customer after judging
whether the transaction is proper or not in the ATM itself. The switching unit 8 switches
from the ON-line transaction unit 7 to the OFF-line transaction unit 9 when the ATM
4 does not receive an acknowledgement response from the HOST 1 in the ON-line transaction
mode.
[0017] Figure 2 is a flowchart for explaining the transaction and update processings in
the transaction unit 5 in the ATM 4 shown in Fig. 1.
Opening line to HOST
[0018] In step 1, when the ATM sends a request to open a line (OPENING-REQUEST) to the HOST,
the HOST returns an acknowledgement of opening the line (OPENING-ACKNOWLEDGE). At
the same time, the HOST sends the data, for example, the negative account data to
be referred to in the OFF-line transaction, to the ATM. When the ATM receives the
above data and stores the data in the ON-line transaction unit 7, the ATM is then
accessible by the customer.
ON-line Transaction
[0019] In step 2, when the customer inserts his own card, passbook, or bills into the ATM
and inputs the type of transaction from the keyboard, the ATM sends a transaction
request message to the HOST based on the customer's transaction information. When
the ATM receives a transaction acknowledgement message from the HOST, the ATM performs
the transaction, for example, reception of bills and recording of the transaction.
Change-over to OFF-line mode
[0020] In step 3, the switching unit 8 supervises the response from the HOST. In the ON-line
mode, if the response does not reach the ATM after a predetermined time lapse, the
ATM returns the medium such as the card and the passbook to the customer and switches
the ON-line transaction unit 7 to the OFF-line transaction unit 9. After these operations,
the ATM is set to a waiting state for a customer's operation.
OFF-line transaction
[0021] In step 4, the OFF-line transaction unit 9 refers to the negative account storage
unit 52 based on the transaction information input from the customer, and starts the
transaction after judging whether the transaction is proper or not. The concluded
transaction data is stored in the OFF-line transaction unit 51.
Re-opening of ON-line mode
[0022] In step 5, when the ATM receives the transaction acknowledgement message from the
HOST, the switching unit 8 is switched from the OFF-line transaction unit 9 to the
ON-line transaction unit 7. The ATM sends a cancellation message to the HOST and receives
a cancellation acknowledgement from the HOST. The cancellation message is necessary
for cancelling the previous transaction request in step 4. Next, as mentioned in step
1, when the ATM sends a request to open the line (OPENING-REQUEST) to the HOST, the
HOST returns an acknowledgement of opening the line (OPENING-ACKNOWLEDGE). At the
same time, the ATM sends the OFF-line transaction data stored in the unit 51 to the
HOST. After these operations, the ATM is set to a waiting state for a customer's operation.
Stop state of OFF-line transaction
[0023] In step 6, when the HOST sends a request to change or update the negative account
data stored in the unit 52 to the ATM, the ATM is set to a transaction stop state
and the negative account data updated by the HOST is stored in the unit 52. After
the above-operation, the stop state of the transaction is released.
[0024] As explained above, in the conventional art, various transmission/reception of the
ON-line transaction data, the negative account data, the OFF-line transaction data
and like (i.e., accumulation data), is performed between the transaction unit 2 of
the HOST 1 and transaction unit 5 of the ATM 4. During this transmission/reception
of the accumulated data, the ATM is set to a "waiting state for line opening" or a
"transaction stop state". Accordingly, the customer must wait a long time until the
ATM can come into use.
[0025] An update processing system for an automated teller machine in various banking organizations
to update the accumulated data will be explained in detail below.
[0026] Figure 3 is a schematic block diagram of an update processing system according to
the present invention. In Fig. 3, reference number 10 denotes a host computer, and
20 denotes an automated teller machine (ATM). In automated teller machine 20, reference
number 21 denotes a transaction unit (TU), 22 a pending transaction unit, 27 a customer
operation unit, 28 a holding data management unit, and 29 a holding memory.
[0027] As shown in the drawing, the pending transaction route consisting of units 22, 28,
and 29 is independently provided from the transaction route consisting of the unit
21. Accordingly, the access to the HOST is also independently performed between these
routes as explained below.
[0028] The holding memory 29 stores the accumulated data AD consisting of the transaction
data TD and the reference data RD. The transmission/reception of the accumulated data
AD between the unit 21 and the unit 22 is performed by the holding data management
unit 28. Further, the unit 28 performs the update of the data stored in the holding
memory 29.
[0029] Accordingly, the transaction unit 21 performs the OFF-line transaction after requesting
the read of the reference data (for example, negative account data) to the unit 28.
The record of the OFF-line transaction data is controlled by the unit 28.
[0030] When the pending transaction unit 22 receives the request of the reference data from
the HOST, the pending transaction unit 22 receives the accumulated data AD from the
HOST, stores the received data AD into the holding memory and updates the received
data AD. Further, the pending transaction unit 22 sends the OFF-line transaction data
TD to the HOST when the OFF-line transaction data TD, which is not yet sent to the
HOST, remains in the holding memory 29.
[0031] As explained above, since the update processing of the accumulated data AD is only
controlled and managed in the pending transaction route regardless of the transaction
route, it is possible to avoid the delay of the opening and stopping state of the
transaction.
[0032] Figure 4 is a schematic block diagram of the update processing system according to
an embodiment of the present invention. In the explanation, the reference data corresponds
to the negative account data ND and the transaction data corresponds to the OFF-line
transaction data OFD.
[0033] In Fig. 4, in the HOST 10, 11 denotes a transaction unit, 12 a pending transaction
unit, and 13 a holding file. In the automated teller machine 20, 23 denotes an ON-line
transaction unit, 24 an OFF-line transaction unit, and 30 a line control unit. In
the OFF-line transaction unit (OFTU) 24, 25 denotes an OFF-line transaction data storage
unit and 26 a negative account detection unit.
[0034] The holding memory 29 stores the accumulated data such as the OFF-line transaction
data OFD and the negative account data ND. The pending data management unit 28 reads
or writes the accumulated data from or to the holding memory 29 and updates the same.
The customer operation unit 27 comprises a card reader, a printer, cash dispensing
unit, a keyboard, display unit and the like. The line control unit 30 connects line
between the HOST and the ATM. In the HOST 10, the pending transaction unit 12 has
a different address from the transaction unit 11 and corresponds the accumulated data
to the pending transaction unit 22. The holding file 13 stores the OFF-line transaction
data OFD and the newest negative account data ND.
[0035] The ON-line transaction is performed in the ON-line transaction unit 23. The ON-line
transaction unit 23 sends the opening request to the transaction unit 11 of the HOST
10. When the ON-line transaction unit 23 receives the opening acknowledgement from
the HOST, the ATM is set to the waiting state for the customer. The ON-line transaction
mode is switched to the OFF-line transaction mode by the switching unit 8 when the
response time from the HOST is over. The OFF-line transaction is explained in detail
below.
[0036] Figure 5 is a flowchart for explaining an OFF-line transaction. When the response
time from the HOST is over, the switching unit 8 is switched from the ON-line mode
to the OFF-line mode (step 1) and the ATM is set to the waiting state for the customer's
transaction (step 2). During this time, the transaction unit 21 checks whether the
holding memory 29 is full or not (step 3). If the holding memory 29 is not full, the
negative account data ND in the holding memory 29 is checked (step 4). When the transaction
unit 21 judges that the transaction is proper (YES), the customer inserts own card
or the passbook and operates the keyboard (step 5). In this case, if the transaction
unit 21 judges that the transaction is not proper (NO), the ATM holds the waiting
state of the OFF-line mode (step 6).
[0037] When the card or passbook is inserted, the transaction unit 21 reads a magnetic portion
thereof (step 7) and checks whether the negative account and transaction bank are
proper or not (step 8). After these steps, the account to be deposited into is designated
by the customer (step 9). When the bills are inserted by the customer, the bills are
stored (step 10). The resultant transaction is printed into the passbook and the magnetic
portion thereof is updated (step 11) and the passbook is returned to the customer
(step 12). Finally, the resultant transaction is stored in the holding memory 29 as
the OFF-line transaction data OFD (step 13). After these steps, the ATM returns to
the step 2, i.e., the waiting state for the customer's transaction.
[0038] As explained above, the OFF-line transaction unit 24 receives the customer's transaction
after confirming the reception of the negative account data ND in the holding memory
29, and the negative account data is held in the holding memory 29 by controlling
the holding data management unit 28.
[0039] Figure 6 is a flowchart for explaining pending transaction processing. The pending
transaction unit 22 of the ATM 20 receives a message from the HOST and judges that
the message indicates either a request for a transmission or a request for an update
of the negative account data (step 1). When the message indicates a transmission request
to the HOST (NO), the pending transaction unit 22 checks whether the accumulated data
is stored or not in the holding memory 29 (step 2). When the accumulated data (OFF-line
transaction data) is stored (YES), the data is read from the holding memory 29 (step
3) and the read data is sent to the pending transaction unit 12 of the HOST (step
4). The HOST returns the response of the reception of the message (step 5) to the
unit 22 and the transmission from the unit 22 to the unit 12 is completed.
[0040] Meanwhile, when the message indicates a request to update the negative account data
in step 1, the HOST informs the closing of the negative account data to the OFF-line
transaction unit 24 (step 7). The transaction unit 24 checks the stop state of the
OFF-line transaction (step 8) and receives the negative account data from the HOST
(step 9). The ATM sends a response to the transmission of the message to the HOST
(10) and the negative account data stored in the holding memory 29 is changed and
updated by control of the pending transaction unit 22 (step 11). When the update is
completed (step 12), the HOST informs the opening of the negative account data to
the OFF-line transaction unit 24 (step 13).
[0041] As explained above, in the present invention, the accumulated data, i.e., transaction
data (OFF-line transaction data) and reference data (negative account data), are independently
controlled and managed by the pending transaction route. Accordingly, it is possible
to perform the update processing of the accumulated data between the HOST and the
ATM regardless the transaction route so that the delay of the opening of the line
to the host and the stop of the transaction of the ATM can be avoided when the customer
operates the ATM.
[0042] Figure 7 is a basic structure of the automated teller machine to which the present
invention is applied. The card is inserted into or taken out from the card reader/inner
printer and the detailed account of the transaction appears therefrom after the transaction.
Bills are inserted into or taken out from the recycle unit. Coins are also inserted
into or taken out from the coin recycle unit. The passbook is inserted into or taken
out from the printer. The structures of the present invention shown in Figs. 3 and
4 are provided in the control unit. The line control unit 30 shown in Fig. 4 corresponds
to the interface control unit and this unit is connected to the HOST computer. Since
the satellite, remote supervision controller and control program file are not related
to the present invention, the detailed explanations thereof are omitted.
1. An update processing system for an automated teller machine (20) connected to a host
computer (10) , comprising:
a holding memory (29) for storing accumulated data consisting of reference data
and transaction data;
characterized by
a holding data management means (28) operatively connected to said holding memory
(29), and for reading said accumulated data from said holding memory (29), updating
said reference data based on the data already updated by said host computer (10),
and writing said transaction data to said holding memory (29);
a pending transaction means (22) operatively connected to said holding data management
means (28) and said host computer (10), and for controlling the update processing
of said holding data management means (28) based on a reception request from said
host computer (10), and sending said transaction data read out by said holding data
management means (28) to said host computer (10) based on a transmission request from
said host computer (10); and
a transaction means (21) operatively connected to said holding data management means
(28), and for requesting a read or write of said accumulated data from or to said
holding data management means (28).
2. An update processing system as claimed in claim 1, wherein said transaction data stored
in said holding memory (29) is OFF-line transaction data.
3. An update processing system as claimed in claim 1, wherein said reference data stored
in said holding memory (29) is negative account data.
4. An update processing system as claimed in claim 1 being provided in said automatic
teller machine (20) for performing a transaction by sending and receiving data to
and from said host computer forming a central unit (10), comprising:
input means (27) for inputting transaction data including input verification data,
first memory means (13) for storing check data corresponding to verification data
for allowing a transaction,
communication means (30, 21) for sending said input verification data to said central
unit (10) and for receiving data indicating allowance of a transaction, wherein
said transactions means comprise validity check and control means (21) coupled to
said input means, said first memory means (13) and communication means (30) for performing
a transaction according to said input transaction data after a verification of said
input verification data,
said validity check and control means (21) including means (8) for monitoring said
central unit (10) which is able to communicate, second memory means for storing said
transaction data under a control of said validity check and control means during said
monitor means detecting that said central unit (10) cannot communicate, and
said pending transaction means comprise means (22) for reading out and sending said
transaction data from said second memory means after said monitoring means detect
a recovery of said communcation with said central unit (10).
5. An update processing system as claimed in claim 4, wherein said reading out and sending
means send said central unit (10) said data stored in said second memory means at
a time between transactions so that said reading out and sending means does not disturb
a communication for said transactions.
6. An update processing system as claimed in claim 5, wherein communication means (30,
21) having a means(26) for receiving account numbers being invalid for a transaction
when said automatic teller machine (20) is ready to perform a transaction, and means
for storing said receiving account numbers into said first memory means so that said
validity check and control means (21) could perform an off-line verification by using
said received account number stored in said first memory means until said monitoring
means (8) detect said recovery of said communication with said central unit (10).
1. Ein Aktualisierungsverarbeitungssystem für eine Bankautomatenmaschine (20), die mit
einem Hauptrechner (10) verbunden ist, mit:
einem Haltespeicher (29) zum Speichern aus Bezugsdaten und Transaktionsdaten bestehender
akkumulierter Daten;
gekennzeichnet durch
ein Haltedaten-Verwaltungsmittel (28), operativ mit dem Haltespeicher (29) verbunden
und zum Lesen der akkumulierten Daten von dem Haltespeicher (29), Aktualisieren der
Bezugsdaten basierend auf den durch den Hauptrechner (10) schon aktualisierten Daten,
und Schreiben der Transaktionsdaten in den Haltespeicher (29);
ein Mittel (22) für eine schwebende Transaktion, operativ mit dem Haltedaten-Verwaltungsmittel
(28) und dem Hauptrechner (10) verbunden und zum Steuern der Aktualisierungsverarbeitung
des Haltedaten-Verwaltungsmittels (28), basierend auf einer Empfangsanforderung von
dem Hauptrechner (10), und Senden der durch das Haltedaten-Verwaltungsmittel (28)
ausgelesenen Transaktionsdaten an den Hauptrechner (10), basierend auf einer Übertragungsanforderung
von dem Hauptrechner (10); und
ein Transaktionsmittel (21), operativ mit dem Haltedaten-Verwaltungsmittel (28) verbunden
und zum Anfordern eines Lesens oder Schreibens der akkumulierten Daten von dem oder
in das Haltedaten-Verwaltungsmittel (28).
2. Ein Aktualisierungsverarbeitungssystem nach Anspruch 1, worin die in dem Haltespeicher
(29) gespeicherten Transaktionsdaten Offline-Transaktionsdaten sind.
3. Ein Aktualisierungsverarbeitungssystem nach Anspruch 1, worin die in dem Haltespeicher
(29) gespeicherten Bezugsdaten Negativ-Konto-Daten sind.
4. Ein Aktualisierungsverarbeitungssystem nach Anspruch 1, vorgesehen in der Bankautomatenmaschine
(20), zum Ausführen einer Transaktion durch Senden und Empfangen von Daten zu und
von dem eine Zentraleinheit (10) bildenden Hauptrechner mit:
einem Eingabemittel (27) zum Eingeben von Transaktionsdaten, die eingegebene Verifikationsdaten
einschließen,
einem ersten Speichermittel (13) zum Speichern von Überprüfungsdaten, die Verifikationsdaten
entsprechen, um eine Transaktion zu erlauben,
Kommunikationsmitteln (30, 21) zum Senden der eingegebenen Verifikationsdaten an die
Zentraleinheit (10) und zum Empfangen der eine Erlaubnis einer Transaktion anzeigenden
Daten, worin
die Transaktionsmittel ein Gültigkeitsüberprüfungs- und Steuermittel (21) umfassen,
gekoppelt mit dem Eingabemittel, dem ersten Speichermittel (13) und dem Kommunikationsmittel
(30), um eine Transaktion gemäß den eingegebenen Transaktionsdaten nach einer Verifikation
der eingegebenen Verifikationsdaten auszuführen,
wobei das Gültigkeitsüberprüfungs- und Steuermittel (21) Mittel (8) zum Überwachen
der Zentraleinheit (10) enthält, die kommunizieren kann, ein zweites Speichermittel
zum Speichern der Transaktionsdaten unter einer Steuerung des Gültigkeitsüberprüfungs-
und Steuermittels, während das Überwachungsmittel detektiert, daß die Zentraleinheit
(10) nicht kommunizieren kann, und
die Mittel für eine schwebende Transaktion ein Mittel (22) zum Auslesen und Senden
der Transaktionsdaten von dem zweiten Speichermittel, nachdem das überwachende Mittel
eine Wiederherstellung der Kommunikation mit der Zentraleinheit (10) detektiert, umfassen.
5. Ein Aktualisierungsverarbeitungssystem nach Anspruch 4, worin das auslesende und sendende
Mittel der Zentraleinheit (10) die in dem zweiten Speichermittel gespeicherten Daten
zu einer Zeit zwischen Transaktionen sendet, so daß das auslesende und sendende Mittel
eine Kommunikation für die Transaktionen nicht stört.
6. Ein Aktualisierungsierarbeitungssystem nach Anspruch 5, worin die Kommunikationsmittel
(30, 21) ein Mittel (26) zum Empfangen von Kontonummern, die für eine Transaktion
ungültig sind, wenn die Bankautomatenmaschine (20) bereit ist, eine Transaktion auszuführen,
und ein Mittel zum Speichern der empfangenen Kontonummern in das erste Speichermittel
aufweisen, so daß das Gültigkeitsüberprüfungs- und Steuermittel (21) eine Offline-Verifikation
durch Verwenden der in dem ersten Speichermittel gespeicherten empfangenen Kontonummern
ausführen könnte, bis das überwachende Mittel (8) die Wiederherstellung der Kommunikation
mit der Zentraleinheit (10) detektiert.
1. Système de traitement de mise à jour pour un guichet automatique de banque (20) relié
à un ordinateur central (10), comprenant :
une mémoire de conservation (29) pour mémoriser des données accumulées constituées
de données de référence et de données de transition ;
caractérisé :
en ce qu'un moyen de gestion de données conservées (28) est connecté de manière fonctionnelle
à ladite mémoire de conservation (29), pour lire lesdites données accumulées dans
ladite mémoire de conservation (29), pour mettre à jour lesdites données de référence
en se basant sur les données déjà mises à jour par ledit ordinateur central (10),
et pour écrire lesdites données de transaction dans ladite mémoire de conservation
(29) ;
en ce qu'un moyen de transaction en attente (22) est connecté de manière fonctionnelle
audit moyen de gestion de données conservées (28) et audit ordinateur central (10),
pour commander le traitement de mise à jour dudit moyen de gestion de données conservées
(28) en se basant sur une demande de réception dudit ordinateur central (10), et pour
envoyer lesdites données de transaction lues par ledit moyen de gestion de données
conservées (28), audit ordinateur central (10), en se basant sur une demande d'émission
dudit ordinateur central (10) ; et
en ce qu'un moyen de transaction (21) est connecté de manière fonctionnelle audit
moyen de gestion de données conservées (28), pour demander une lecture ou une écriture
desdites données accumulées à partir dudit, ou dans ledit, moyen de gestion de données
conservées (28).
2. Système de traitement de mise à jour selon la revendication 1, dans lequel lesdites
données de transaction mémorisées dans ladite mémoire de conservation (29) sont des
données de transaction en différé.
3. Système de traitement de mise à jour selon la revendication 1, dans lequel lesdites
données de référence mémorisées dans ladite mémoire de conservation (29) sont des
données de compte négatif.
4. Système de traitement de mise à jour selon la revendication 1, placé dans ledit guichet
automatique de banque (20) pour effectuer une transaction en envoyant et en recevant
des données audit ou dudit ordinateur central formant un module central (10), comprenant
:
un moyen d'entrée (27) pour entrer des données d'opération comprenant des données
de vérification d'entrée ;
un premier moyen de mémorisation (13) pour mémoriser des données de vérification correspondant
aux données de vérification pour autoriser une transaction ;
un moyen de transmission (30, 21) pour envoyer lesdites données de vérification d'entrée
audit module central (10) et pour recevoir des données indiquant une autorisation
de transaction, dans lequel :
ledit moyen de transaction comprend un moyen de vérification de validité et de commande
(21) relié audit moyen d'entrée, ledit premier moyen de mémorisation (13) et ledit
moyen de transmission (30) pour effectuer une transaction en fonction desdites données
d'entrée de transaction après une vérification desdites données de vérification d'entrée
;
dans lequel ledit moyen de vérification de validité et de commande (21) comprend :
un moyen (8) pour surveiller si ledit module central (10) est capable de transmettre
; un second moyen de mémorisation pour mémoriser lesdites données de transaction sous
les ordres dudit moyen de vérification de validité et de commande lorsque ledit moyen
de détection détecte que ledit module central (10) ne peut pas transmettre ; et
dans lequel ledit moyen de transaction en attente comprend un moyen de lecture et
d'envoi (22) pour lire et envoyer lesdites données de transaction dudit second moyen
de mémorisation après que ledit moyen de surveillance a détecté une reprise de ladite
transmission avec ledit module central (10).
5. Système de traitement de mise à jour selon la revendication 4, dans lequel ledit moyen
de lecture et d'envoi envoie audit module central (10) lesdites données mémorisées
dans ledit second moyen de mémorisation à un moment entre transactions de sorte que
ledit moyen de lecture et d'envoi ne peut pas perturber une transmission desdites
transactions.
6. Système de traitement de mise à jour selon la revendication 5, dans lequel le moyen
de transmission (30, 21) comporte un moyen (26) pour recevoir des numéros de compte
qui ne sont pas valables pour une transaction lorsque ledit guichet automatique de
banque (20) est prêt à effectuer une transaction, et un moyen pour mémoriser lesdits
numéros de compte reçus dans ledit premier moyen de mémorisation de sorte que ledit
moyen de vérification de validité et de commande (21) peut effectuer une vérification
en différé en utilisant ledit numéro de compte reçu mémorisé dans ledit premier moyen
de mémorisation jusqu'à ce que ledit moyen de surveillance (8) détecte ladite reprise
de ladite transmission avec ledit module central (10).