Method and device for ascertaining and outputting information of reusable containers

Abstract

The invention relates to a method for ascertaining and outputting information of reusable containers and loose products packaged therein, having the steps of reading in an ID identification which is connected to a reusable container, reading out information from a first database, computing the final price from the information assigned to the ID identification, and outputting the information assigned to the ID identification and / or the final price. The invention additionally relates to a billing system for a billing process using the labeling of reusable containers, preferably for loose products, comprising a controller and an ID identification scanner, wherein the billing system is coupled to a first database.

Description

[0001] METHOD AND DEVICE FOR DETERMINING AND

[0002] ISSUE OF INFORMATION FROM MULTIPLE RW EGBEH Ä LTE RN

[0003] The invention relates to a method for determining and outputting information from reusable containers and loose products packed therein, comprising the method steps

[0004] Reading an ID associated with a reusable container

[0005] - Reading information from a first database

[0006] Calculating the final price from the information assigned to the ID identifier and

[0007] - Outputting the information assigned to the ID and / or the final price. The invention further relates to a billing system for billing based on the labeling of reusable containers, preferably for loose products, comprising a controller and an ID scanner, wherein the billing system is coupled to a first database.

[0008] State of the art

[0009] Reusable containers are well known and are being used more and more, as demand is increasing and legal requirements are moving away from disposable packaging.

[0010] To meet these requirements, reusable containers must be much more stable and include additional features that disposable packaging does not have, including transport strength, stackability, improved cleaning options, secure closures, and much more.

[0011] Products packaged in reusable containers are provided with glued paper labels under current consumer protection regulations, which cause significant environmental pollution during the manufacturing and cleaning processes. This labeling requirement does not apply to loose products that consumers fill into reusable containers themselves or have filled. This results in the product information no longer being traceable retrospectively. The object of the present invention is therefore to provide a method for determining and outputting information from reusable containers and the loose products packaged therein, with which information from reusable containers and the loose products packaged therein can be securely and reliably updated and tracked.

[0012] Furthermore, it is an object of the present invention to provide a system for billing based on the labeling of reusable containers, preferably for loose products, with which a label for identifying a reusable container can be created safely and reliably and a traceability of a reusable container can be ensured.

[0013] In addition, the object of the present invention is to provide a system for labeling reusable containers, preferably for loose products, with which a label for identifying a reusable container can be created safely and reliably and a traceability of a reusable container can be ensured.

[0014] Description of the invention

[0015] The inventive method for determining and outputting information from reusable containers and the loose products packaged therein comprises four process steps: In the first process step, an ID associated with a reusable container is read. Each individual reusable container has a unique ID, which is electronically read into a control system using a scanner.

[0016] In the second process step, information is read from a first database. Each reusable container has reusable container information. This can be, for example, the deposit value and / or the deposit status of a reusable container. The deposit value of a reusable container depends, for example, on the size and type of the reusable container (e.g., suitable for solid, liquid, or gaseous products, special closures, etc.). The deposit status of a reusable container indicates whether the reusable container has already been used, returned, cleaned, and / or whether the customer has paid the deposit or not. Reusable container information is usually stored in a first database and read in by a controller. The product information includes information such as the type, quantity, and price per unit of the loose product stored in the reusable container. The product information is partly read in or determined from a database, e.g.,using a scale.

[0017] In the third process step, the final price is calculated from the information assigned to the ID. The final price of the reusable containers and the loose product contained therein is calculated by the control system from the information assigned to the ID of the reusable containers and includes the deposit value of the reusable containers and the price of the loose product contained in the reusable container, which in turn is calculated from the weight of the loose product determined by the scale, minus the tare weight of the reusable container, and the price per unit of weight of the loose product.

[0018] In the fourth process step, the information assigned to the ID and / or the final price is output. The final price is output, as is the information assigned to the ID of the reusable container. The final price and assigned information are displayed visually via a display and, optionally, via a label.

[0019] For the purposes of this invention, a reusable container refers to any type of container and packaging. These are trading, loading, or packaging units for goods distribution. A reusable container also serves to hold and / or combine products of the same or different types for bundled handling. A reusable container is defined as an outer shell or (partial or complete) wrapping of an item or group of items, particularly for its protection or improved handling. This also includes primary and secondary containers.

[0020] For the purposes of this invention, a database also represents a database area. Several databases or database areas can be combined into one database. Different databases and / or database areas can differ with regard to access rights for reading and / or writing to the database, the type of information stored in the data, and / or the storage location.

[0021] For the purposes of this invention, different types of information are stored in the databases or database areas. For example, there is protected information that can only be created and / or modified by a restricted group of people or users, while other user groups only have read rights in certain areas and / or can modify and / or add to information in other database areas. For example, the tare weight of a reusable container is only determined once and stored in the database. The deposit value, on the other hand, is also protected information that may only be modified by a restricted group of users. The deposit status, on the other hand, is changed by a billing system, but not by the labeling system. The product information, on the other hand, can be modified via the labeling system. An end customer, on the other hand, only has read rights in a restricted area.

[0022] In a further development of the invention, the information assigned to the ID identifier is assigned in the first database by reading and / or determining the information from the ID identifier. Reusable container information and product information are assigned to the ID identifier of the reusable container. Therefore, the reusable container containing the loose product is not only uniquely identifiable, but the ID identifier of the reusable container, and thus the reusable container itself, is linked to the reusable container information and the product information.

[0023] In a further embodiment of the invention, the information comprises a deposit value of a reusable container, a deposit status and / or a product value of a loose product packaged in the reusable container. Each reusable container has reusable container information. The deposit value of a reusable container depends, for example, on the size and type of the reusable container (suitable for solid, liquid or gaseous products, special closures, etc.). Reusable container information is usually stored in a database and is read in by a first controller. The product information includes information such as the type, quantity and price per unit of quantity of the loose product stored in the reusable container. The product information is partly read in or determined from a database, e.g. using a scale. The information about the deposit status is required, for example, to enable the deposit value to be paid in or paid out.In a further embodiment of the invention, the information includes the tare weight of the reusable container.

[0024] In one development of the invention, reading the ID identifier involves scanning a barcode and / or QR code. Other code types are possible. The barcode and / or QR code is unique for each reusable container. Each reusable container can therefore be uniquely identified via its barcode and / or QR code. Reading is carried out using a scanner, e.g., a smartphone with suitable optics and a suitable app. In a further embodiment of the invention, the barcode and / or QR code is permanently attached to the reusable container. The barcode and / or QR code cannot therefore be intentionally or inadvertently removed from the reusable container. Alternatively, other ID identifiers such as electromagnetic identifiers or other optical identifiers can also be used.

[0025] In a further embodiment of the invention, the reusable container is sealed. In another aspect of the invention, the seal is a banderol and / or an adhesive seal. In a further embodiment of the invention, the seal must be broken to open the reusable packaging. The seal seals the reusable container in such a way that the contents of the reusable container cannot be changed before a payment transaction.

[0026] In a further development of the invention, part of the product information read from the database was determined by a measurement. In a further embodiment of the invention, part of the product information is measured. In particular, the quantity of the loose product to be stored in the reusable container is measured, e.g., as weight and / or volume.

[0027] In a further embodiment of the invention, the product information comprises measured data, recorded data, read-out data, and / or calculated data. In a further configuration of the invention, the product information is loaded into a controller from different sources. The quantity of loose product to be stored in the reusable container is measured, for example, using scales. A user's input records, for example, the type and price per unit of quantity of the loose product to be stored in the reusable container. The type and price per unit of quantity of the loose product can also be read from a database if a user scans a barcode of the loose product assigned to the barcode or assigns the product using a keyboard. The weight orThe volume of the loose product stored in the reusable container is calculated by comparing the weight of the reusable container containing the loose product, measured using a scale, with the tare weight of the reusable container.

[0028] In a further embodiment of the invention, the deposit value is stored and / or entered in the ID identifier. In addition to the ID identifier, further information is linked to the ID identifier. The information about the tare weight of the reusable container is required to record the exact weight of the loose product to be stored in the reusable container. The deposit value of the reusable container depends, for example, on its type and size. The information about the deposit value is required to determine the price of the reusable container and the loose product it contains. The deposit value is stored in a database and can be changed by an operator.

[0029] In a further embodiment of the invention, a payment process takes place after the information assigned to the ID has been output. The information assigned to the ID contains the total price of the reusable container and the loose product contained therein, as well as the deposit status. The payment process itself takes place via a billing system that has or determines the ID and assigned information.

[0030] In a further embodiment of the invention, the status of the reusable container changes after the payment process has been completed. In a further development of the invention, the status change is assigned to the ID of the reusable container. After the payment process has been completed, the status of the reusable container changes, for example, from "not paid" to "paid" and / or from "not borrowed" to "borrowed." In a further embodiment of the invention, the status change is stored in the database.

[0031] In a further embodiment of the invention, reading the ID code involves scanning a barcode and / or QR code. The barcode and / or QR code is unique for each reusable container. Each reusable container can therefore be uniquely identified via its barcode and / or QR code. Reading is performed using a scanner, e.g., a smartphone with suitable optics and a suitable app.

[0032] The object is further achieved by means of the inventive billing system for billing based on the labeling of reusable containers, preferably loose products. Further advantageous developments of the invention are also set forth in the subclaims.

[0033] The inventive billing system for billing based on the labeling of reusable containers, preferably loose products, comprises a controller and an ID scanner. The system can be controlled by the first controller and, for this purpose, has a memory and a suitable app. The billing system is coupled to a first database. The ID scanner captures the ID assigned to each individual reusable container and stores it in the first database. The ID is arranged on the reusable container, for example, using a barcode and / or QR code.

[0034] In a further embodiment of the invention, the accounting system has read and write access to the first database. The accounting system can read reusable container information from the first database and update status changes of a reusable container in the first database.

[0035] In a further embodiment of the invention, product information about the product filled into the reusable container and / or information about the deposit value of the reusable container are stored in the first database. The product information includes information such as the type, quantity, and price per unit of the loose product stored in the reusable container. The deposit value of a reusable container depends, for example, on the size and type of the reusable container (suitable for gaseous, solid, and / or liquid products, special closures, etc.). Product information and the deposit value of a reusable container are necessary to determine the total price of a loose product together with the reusable container.

[0036] In a further embodiment of the invention, the ID identifier is assigned to the reusable container. In an advantageous embodiment of the invention, each ID identifier is assigned to only one individual reusable container. Each individual reusable container has a unique ID identifier that is read electronically using a scanner.

[0037] In a further embodiment of the invention, the billing system is part of a labeling system for labeling reusable containers and / or is coupled to a labeling system for labeling reusable containers. The labeling system is used to label a reusable container, with the resulting label containing product information and the total price of the loose product placed in the reusable container.

[0038] In a further embodiment of the invention, the billing system comprises a measuring device and a second database. The quantity of loose product to be stored in the reusable container is measured using the measuring device, e.g., a scale. The thus determined quantity of loose product is stored in the second database.

[0039] In a further embodiment of the invention, the billing system for labeling reusable containers has a first controller. The billing system for labeling reusable containers can be controlled via this first controller and has a memory and a suitable app for this purpose.

[0040] The accounting system for labeling reusable containers also includes a first ID scanner and a first database. Using the ID scanner, the ID assigned to each individual reusable container can be captured and stored in the first database. The ID is located on the reusable container using a barcode and / or QR code.

[0041] The billing system for labeling reusable containers also includes a first measuring device and a second database. The first measuring device measures the quantity and / or weight of the loose product to be packaged and stores it in the second database.

[0042] In a further development of the invention, the first scanner, the first measuring device and the first database as well as the second database are connected to the first controller and are controlled by the first controller.

[0043] In a further embodiment of the invention, the billing system has a second controller. The second controller is connected to a billing system and controls its components.

[0044] In a further embodiment of the invention, the second controller is connected to a second scanner. The second scanner can detect a label on the reusable container.

[0045] In a further aspect of the invention, the second scanner is part of a billing system. In a further development of the invention, the billing system is connected to the second database. The second database contains reusable container information and product information.

[0046] In a further embodiment of the invention, the first controller is connected to the first scanner. In a further configuration of the invention, the first controller is connected to the first, second and / or third database. The data records generated by the first controller can be sent to the first, second and / or third database. In return, data records can be received by the first, second and / or third database from the first controller. In a further configuration of the invention, the second controller is connected to a smaller number of databases than the first controller. The second controller is connected to the second database, while the first controller is connected to the first, second and third databases.

[0047] In an advantageous embodiment of the invention, the third database is accessible via a public network. The third database contains the type and quantity of the loose product contained in the reusable container, as well as other product information. In particular, a user can access the product information of the loose product contained in the reusable container at any time using a mobile device, e.g., a smartphone with a suitable app.

[0048] Description of the embodiments

[0049] Embodiments of the method according to the invention for determining and outputting information from reusable containers and loose products packaged therein, the billing system according to the invention and the system according to the invention for labeling reusable containers, preferably for loose products, are shown in a simplified schematic form in the drawings and are explained in more detail in the following description.

[0050] They show:

[0051] Fig. 1 a: Billing system, an internally arranged database

[0052] Fig. 1 b: Billing system, an externally located database

[0053] Fig. 1 c: Billing system, two databases

[0054] Fig. 2: Billing system, two separately arranged databases

[0055] Fig. 3: Billing system, first and second database in unit

[0056] Fig. 4: Billing system, two separately arranged databases

[0057] Fig. 5: Billing system, three separately arranged databases

[0058] Fig. 1 shows views of embodiments of a billing system K. The

[0059] Billing system K is part of a system S according to the invention for labeling reusable containers, preferably for loose products. The billing system K has a second controller C2, which is connected to the first database DB1 and the second ID scanner SC2. The second controller C2 and the second ID scanner SC2 are arranged in the billing system K. The first database DB1 can also be arranged in the billing system K (Fig. 1 a), but the first database DB1 can also be arranged externally at a distance from the billing system K (Fig. 1 b). In addition to the internally arranged first database DB1, the second database DB2 is arranged outside the billing system K (Fig. 1 c).

[0060] Fig. 2, Fig. 3 and Fig. 4 show views of embodiments of a billing system K, wherein the second controller C2 is connected to a first database DB1 and to a second database DB2. In one embodiment, the billing system K has the second database DB2, and the second controller C2 is connected to the externally arranged first database DB1 (Fig. 2). In one variant of the billing system K, the first database DB1 and the second database DB2 are arranged as a structural unit outside the billing system K (Fig. 3). In a further variant, the first database DB1 and the second database DB2 are arranged separately from one another outside the billing system K (Fig. 4).

[0061] To determine and output information from reusable containers and the loose products packaged therein, particularly for a payment transaction, the ID associated with the reusable container is read. The ID is permanently attached to the reusable container in the form of a barcode and / or a QR code or is arranged on it in a way that is clearly visible to a user C and is scanned with the second ID scanner SC2. Each reusable container has an individually assigned permanent ID. The ID of each individual reusable container is stored in the first database DB1. The ID is assigned to a reusable container by an operator of the system S, who has read and write access to the first database DB1.

[0062] The ID of a reusable container is also linked to information about the tare weight of the reusable container, information about the deposit value of the reusable container, and information about the deposit status. The operator creates a first data packet in the first database DB1 containing the ID and tare weight of a reusable container. The information about the tare weight and deposit value of the first data packet is protected information that cannot be accessed and / or modified over a public network.

[0063] Information is then read and / or determined from the first database DB1 by the second controller C2. This information includes reusable container information, a deposit value of the reusable container and its tare weight, as well as product information of a loose product stored or to be stored in the reusable container. Furthermore, the information can include the deposit status. This information is assigned to the ID of the reusable container. The deposit status and deposit value are protected information. While the deposit value does not represent variable information, the deposit status is variable information that can only be changed by a limited group of users. The product information of the loose product includes, in particular, the type of loose product and its weight, as well as its price per unit of weight.This product information is variable information and is available via a public network, in particular to a user e. Part of the product information, namely the type and weight of the loose product to be stored in the reusable container, is entered and measured using the second measuring device IN2, which in this embodiment is a scale, sent to the second controller 02, and stored on the second controller 02. The price per unit of weight of the loose product is loaded from the first database DB1 into the second controller 02 and stored in the second controller 02.

[0064] The final price of the reusable container and the loose product contained therein is calculated by the second controller from the information assigned to the ID of the reusable container and includes the deposit value of the reusable container and the price of the loose product contained in the reusable container, which in turn is calculated by the weight of the loose product determined by the IN2 scale less the tare weight of the reusable container and the price per unit weight of the loose product.

[0065] The final price is displayed, as is the information assigned to the ID of the reusable container. The final price and assigned information are displayed visually on a display and on a label. The label is a digital label and is stored on the second controller 02. Additionally, the label can be printed and attached to a seal on the reusable packaging, or it can be the seal on the reusable packaging. The seal can be implemented as a banderol surrounding the reusable packaging or as an adhesive seal. To open the reusable packaging, a user C must break the seal.

[0066] After the final price and assigned information are displayed, user C completes the payment process. Following the payment process, the reusable container's status changes from "not paid" to "paid" and / or from "not borrowed" to "borrowed." The status change is also performed by the second controller 02 and is sent to the first database DB1 and stored there.

[0067] Fig. 5 shows a further embodiment of a billing system K as part of a system S for labeling reusable containers. As in the previous embodiments (see Fig. 1, Fig. 2, Fig. 3, Fig. 4), the billing system K has the second measuring device IN2, which is connected to the second controller O2. The second measuring device IN2 is also a scale. However, the second measuring device IN2 can also be a volumetric or flow meter for recording the filled volume of liquids or gases. The second ID scanner SC2 is also connected to the second controller O2.

[0068] The first database DB1, the second database DB2 and a third database DB3 are each arranged separately from one another outside the billing system K and are connected to the second controller C2. The third database DB3 is accessible via a public network. Fig. 6 shows an embodiment of a system S for labeling reusable containers, preferably for loose products. The system S has the input system E and the billing system K. The input system E has the first measuring device IN1 (scale) and the first scanner SC1, which are connected to the first controller C1. The billing system K has the second scanner SC2 and the second database DB2, both of which are connected to the second controller C2. The second database DB2 is additionally connected to the first controller C1 of the input system E.The first database DB1 and the third database DB3 are arranged separately from the input system E and the accounting system K and are connected to the first controller C1.

[0069] To fill, a user C selects a reusable container and scans its ID using the first scanner SC1. The ID is read and stored in the first controller. From the first database DB1, the first controller C1 loads the first data packet associated with the ID, which contains the reusable container information, including the tare weight, deposit value, and deposit status of the reusable container identified by the ID.

[0070] User C fills the reusable container with a loose product, enters the type of loose product into the first measuring device IN1, and measures the weight of the filled reusable container using the first measuring device IN1. The weight, the price per weight unit, and the type of loose product are assigned to the ID of the reusable container on the first controller C1. In addition, further information is assigned to the ID, at least the information required by law. The first controller C1 creates a digital label containing the reusable container information and the product information, as well as the other information assigned to the ID for user C, in particular the price of the loose product.

[0071] This recorded product information (type and price of the loose product, price per

[0072] Weight unit, further information) are combined in the first controller 01 into three second data packets. A second data packet is sent to the first database DB1, another second data packet is sent to the second database DB2, and a third second data packet is sent to the third database DB3 and stored in the respective databases DB1, DB2, and DB3. The created label is also sent to the three databases DB1, DB2, and DB3 and stored there.

[0073] The third database, DB3, is accessible via a public network, specifically an internet connection. User C can log into the third database, DB3, at any time using a suitable app (e.g., a smartphone), and view and download the data stored in the second data packet.

[0074] To pay for the reusable container filled with the loose product, its barcode and / or QR code is scanned with the second scanner SC2 of the billing system K, thus recording the ID of the reusable container. The ID is sent to the second controller C2 of the billing system K, where it is linked to the second data packet stored in the second database DB2. The final price of the loose product packed in the reusable container, including the deposit value of the reusable container, is shown on a display device connected to the billing system K, and the user C completes the payment process. After the payment process has been completed, the status of the reusable container changes from "not paid" to "paid." The status change is also performed by the second controller C2 and is sent to the first database DB1, where it is stored.

[0075] LIST OF REFERENCE SYMBOLS

[0076] C users

[0077] C1 First control

[0078] C2 Second control

[0079] DB1 First database

[0080] DB2 Second Database

[0081] DB3 Third Database

[0082] E input system

[0083] IN1 First measuring device

[0084] IN2 Second measuring device

[0085] K billing system

[0086] S System for labeling reusable containers

[0087] SC1 First Scanner

[0088] SC2 Second Scanner

Claims

PATENTS Method for determining and outputting information from reusable containers and loose products packed therein, comprising the steps • Reading an ID associated with a reusable container, • Reading information from a first database (DB1), • Calculate the final price from the information assigned to the ID identifier and • Outputting the information assigned to the ID identifier and / or the final price. Method for determining and outputting information from reusable containers and loose products packaged therein according to claim 1, characterized in that the information assigned to the ID identifier is assigned in the first database (DB1) by reading in and / or determining the information from the ID identifier. Method for determining and outputting information from reusable containers and loose products packaged therein according to claim 1 or 2, characterized in that the information comprises a deposit value of a reusable container and / or a product value of a loose product packaged in the reusable container, wherein the barcode and / or QR code is permanently fixed to the reusable container.Method for determining and outputting information from reusable containers and loose products packaged therein according to one or more of the preceding claims, characterized in that the reusable container is sealed by a seal, wherein the seal is a banderol and / or an adhesive seal, or. wherein the seal must be destroyed in order to open the reusable container. Method for determining and outputting information from reusable containers and loose products packaged therein according to one or more of the preceding claims, characterized in that part of the product information read from the first database (DB1) was determined by a measurement. Method for determining and outputting information from reusable containers and loose products packaged therein according to one or more of the preceding claims, characterized in that the product information comprises measured data, recorded data, read-out data and / or calculated data. Method for determining and outputting information from reusable containers and loose products packaged therein according to one or more of the preceding claims, characterized in that the deposit value is stored in the ID identifier and / or is entered.Method for determining and outputting information from reusable containers and loose products packaged therein according to one or more of the preceding claims, characterized in that after the output of the information assigned to the ID identifier, a payment process takes place, wherein after the payment process has taken place, a status change of the reusable containers takes place, wherein the status change is assigned to the ID identifier of the reusable containers, or wherein the status change is stored in the first database (DB1). REVISED SHEET (RULE 91) ISA / EP Method for determining and outputting information from reusable containers and loose products packaged therein according to one or more of the preceding claims, characterized in that reading the ID identifier includes scanning a barcode and / or QR code. A billing system (K) for billing based on the labeling of reusable containers, preferably for loose products, comprising • a second control (C2), • a second ID scanner (SC2), wherein the billing system (K) is coupled to a first database (DB1). Billing system (K) for billing based on the labeling of reusable containers, preferably for loose products, according to claim 10, characterized in that the billing system (K) has read and write access to the first database (DB1). Billing system (K) for billing based on the labeling of reusable containers, preferably for loose products, according to claim 10 or 11, characterized in that product information about the product filled in the reusable container and / or information about the deposit value of the reusable container is stored in the first database (DB1).Billing system (K) for billing based on the labeling of reusable containers, preferably for loose products according to one or more of claims 10 to 12, characterized in that the ID identifier is assigned to the reusable container, wherein each individual ID identifier is assigned to only one individual reusable container.

14. Billing system (K) for billing based on the labeling of reusable containers, preferably for loose products, according to one or more of claims 10 to 13, characterized in that the billing system (K) is part of a labeling system (S) for labeling reusable containers and / or is coupled to a labeling system (S) for labeling reusable containers, wherein the labeling system (S) has a first measuring device (IN1) and a second database (DB2), or wherein the first scanner (SC1), the first measuring device (IN1) and the first (DB1) and the second database (DB2) are connected to the first controller (C1).

15. Billing system (S) for billing based on the labeling of reusable containers, preferably for loose products, according to one or more of claims 10 to 14, characterized in that the system has a second controller (C2), wherein the second controller (C2) is connected to a second scanner (SC2), wherein the second scanner (SC2) is part of a billing system (K), or wherein the billing system (K) is connected to the second database (DB2).

16. Billing system (S) for billing based on the labeling of reusable containers, preferably for loose products, according to one or more of claims 10 to 15, characterized in that the first controller (C1) is connected to the first scanner (SC1).

17. Billing system (S) for billing based on the labeling of reusable containers, preferably for loose products, according to one or more of claims 10 to 16, characterized in that the second controller (C2) is connected to the second scanner (SC2). Billing system (S) for billing based on the labeling of reusable containers, preferably for loose products, according to one or more of claims 10 to 17, characterized in that the first controller (C1) is connected to the first (DB1), second (DB2), and / or third database (DB3). Billing system (S) for billing based on the labeling of reusable containers, preferably for loose products, according to one or more of claims 10 to 18, characterized in that the second controller (C2) is connected to the first (DB1), second (DB2), and / or third database (DB3), wherein the second controller (C2) is connected to a smaller number of databases (DB1, DB2, DB3) than the first controller (C1). Billing system (S) for billing based on the labeling of reusable containers, preferably for loose products, according to one or more of claims 10 to 19, characterized in that the third database (DB3) is accessible via a public network.

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