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1. (WO2018037125) LOW VOLTAGE FISCAL DEVICE
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Patent Claims

1 . Low voltage fiscal device for input and processing of fiscal data, comprising one or more means for data input (1 ), a data processing block (2), a fiscal memory (3), an input for charge and/or power supply (4) for attaching to a source of electrical power supply, a power supply block (5) with a voltage/current regulator adapted to convert and distribute the voltage to internal blocks of the device, a battery block to accumulate electrical energy (6) with at least one battery cell (7), and a printing mechanism (9) characterized in that the input for charge and/or power supply (4) is a low voltage input for direct voltage with values up to essentially 5.5V, wherein all internal blocks of the fiscal device are adapted to be provided with power supply, directly or indirectly from the input for charge and/or power supply (4), with direct voltage and values up to essentially 5.5V, without increasing the voltage.

2. Low voltage fiscal device according to claim 1 characterized in that the printing mechanism (9) is adapted to be directly connected to the low voltage input for charge and/or power supply (4), without increasing the voltage.

3. Low voltage fiscal device according to claim 1 characterized in that the printing mechanism (9) is adapted to be directly connected to the battery block (6), without increasing the voltage.

4. The low-voltage fiscal device according to claim 1 , 2 or 3, characterized in that the input for charge and/or power supply (4) is a standard

USB port.

5. Low voltage fiscal device according to claim 4, characterized in that said standard USB port, used for charge and/or power supply, is also adapted to receive and transmit data from and to external devices.

6. Low voltage fiscal device according to any of the previous claims characterized in that the input for charge and/or power supply (4) is connected to provide voltage directly to the battery block (6) only, wherein the battery block (6) is adapted to supply the internal blocks of the device through the power supply block (5).

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7. Low voltage fiscal device according to any of the claims from 1 to 5 characterized in that the input for charge and/or power supply (4) is connected to provide voltage to the power supply block (5) only, wherein the power supply block (5) is adapted to charge the aforementioned at least one battery cell (7) of the battery block (6).

8. Low voltage fiscal device according to claim 7 characterized in that the voltage of said at least one battery cell (7) of the battery block (6) is selected in such a way that it allows charging the battery block (6) directly from the low voltage input for charge and/or power supply (4) through the voltage/current regulator of the power supply block (5), without increasing the voltage.

9. Low voltage fiscal device according to any of the claims from 1 to 5 characterized in that the input for charge and/or power supply (4) is connected directly to provide voltage both to the battery block (6), without increasing the voltage, and to the power supply block (5), wherein the battery block (6) is also connected to supply voltage to the power supply block (5).

10. Low voltage fiscal device according to any of the previous claims characterized in that it additionally comprises means for data visualization (8) and/or a wireless communication module (10) for data transfer.

1 1 . Low voltage fiscal device according to claim 10 characterized in that the wireless communication module (10) is adapted to be directly connected to the low voltage input for charge and/or power supply (4), without increasing the voltage.

12. Low voltage fiscal device according to claim 10 characterized in that the wireless communication module (10) is adapted to be directly connected to the battery block (6), without converting the voltage.

13. Low voltage fiscal device according to any of the previous claims characterized in that the battery block (6) comprises two or more battery cells (7), forming a battery pack, wherein the battery cells are connected in such a way that the battery block (6) is with increased maximum current and capacity while keeping the same resulting output voltage.