FIELD: computer equipment.
SUBSTANCE: invention relates to the computing and electronic equipment, and can be used for the cash transactions performance in the field of goods and services provision. Thermal printer contains located in the plastic housing thermal printer, energy accumulator, connected to the control computer control module, as well as standard connectors. Energy accumulator consists of installed on the control module electronic board three supercapacitors. Their continuous powering from the USB connector is performed in the parallel mode of their installation. With the supercapacitors switching to the serial connection, the receipts thermal printing is provided. Thermal printer is configured to operate without the power supply unit. Increase in the receipts of thermal printing speed, service life due to the absence of requiring replacement power supply unit batteries.
EFFECT: reducing the thermal printer market price for the user, the overall dimensions are reduced, as well as the number of used wires, the service place appearance is improved, and the operation is simplified.
1 cl, 4 dwg
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