System and Method for Registration Control
First Claim
1. A control unit (12) with interfaces (27, 28) for connection to at least one cash register (11) and at least one receipt writer (13), characterised in that the control unit (12) comprises at least one regulatory unit (21) in which encryption algorithms (22) are stored, which encryption algorithms (22) are used to generate a unique code based on transaction data (24) from the cash register (11), which unique code is sent to the receipt writer (13) to be printed onto the receipt together with transaction data (24), whereby the authenticity of the receipt can be checked without the need to read the information that is stored in the control unit (12).
2 Assignments
0 Petitions
Accused Products
Abstract
The invention concerns a control unit (12), a control system (10) and a method for the checking of transactions carried out in a cash register (11). The control unit (12) has interfaces (27, 28) for connection to at least one cash register (11) and at least one receipt writer (13), and it is characterised in that it comprises at least one regulatory unit (21) in which encryption algorithms (22) are stored, which encryption algorithms (22) are used to generate a unique code based on transaction data (24) from the cash register (11), which unique code is sent to the receipt writer (13) to be printed onto the receipt. The authenticity of all receipts that are generated by the system can in this way be subsequently checked.
12 Citations
11 Claims
- 1. A control unit (12) with interfaces (27, 28) for connection to at least one cash register (11) and at least one receipt writer (13), characterised in that the control unit (12) comprises at least one regulatory unit (21) in which encryption algorithms (22) are stored, which encryption algorithms (22) are used to generate a unique code based on transaction data (24) from the cash register (11), which unique code is sent to the receipt writer (13) to be printed onto the receipt together with transaction data (24), whereby the authenticity of the receipt can be checked without the need to read the information that is stored in the control unit (12).
- 9. A control system (10) for checking transactions carried out in at least one cash register (11), which control system (10) comprises at least one cash register (11), at least one receipt writer (13), and at least one control unit (12), which control unit (12) is connected through interfaces (27, 28) to the said at least one cash register (11) and at least one receipt writer (13) characterised in that the control unit (12) comprises at least one regulatory unit (21) in which encryption algorithms (22) are stored, which encryption algorithms (22) are used to generate a unique code based on transaction data (24) from the cash register (11), which unique code is sent to the receipt writer (13) to be printed onto the receipt together with transaction data (24), whereby the authenticity of the receipt can be checked without the need to read the information that is stored in the control unit (12).
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11. A method for checking transactions carried out in a cash register (11) with the aid of a control unit (12), whereby the control unit (12) is connected through interfaces (27, 28) to at least one cash register (11) and at least one receipt writer (13) characterised in that the control unit (12) comprises at least one regulatory unit (21) in which encryption algorithms (22) are stored, whereby the method comprises the steps:
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the transfer of transaction data (24) from the cash register (11) to the control unit (12) through the interface (27); the use of the encryption algorithms (22) for encryption of transaction data (24) such that a unique code is generated; the transfer of the unique code, together with transaction data (24), to the receipt writer (13) through the interface (28); and the printing of a receipt in the receipt writer (13) comprising not only transaction data (24) but also the unique code, whereby the authenticity of the receipt can be checked without requiring reading of the information that is stored in the control unit (12).
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Specification