Thermal printer
AssigneeToshiba Tec Kabushiki Kaisha
InventorMitsuhiro Kataoka
Life of this patent
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Abstract
A thermal printer according to one embodiment includes a thermal head, a temperature sensor, and a control unit. The thermal head includes a plurality of heating elements. The temperature sensor is provided in the thermal head and is configured to measure a temperature of the thermal head. The control unit is configured to control an amount of heat generated from the heating elements by determining a pulse supply time for which a pulse signal is supplied to the thermal head based on the temperature of the thermal head and a cumulative heat generation time of the thermal head.
Claims17
A thermal printer, comprising:
- a thermal head including a plurality of heating elements;
- a temperature sensor configured to measure a temperature of the thermal head, the temperature sensor being provided in the thermal head;
- and
- a controller configured to control an amount of heat generated from the plurality of heating elements by determining a pulse supply time for which a pulse signal is supplied to the thermal head based on the temperature of the thermal head measured by the temperature sensor and a cumulative heat generation time of the thermal head,
- wherein when a printing operation is not executed, the controller subtracts the cumulative heat generation time per predetermined period of time.
A method for a thermal printer, comprising:
- supplying a pulse signal to a thermal head including a plurality of heating elements;
- measuring a temperature of a thermal head;
- and
- controlling an amount of heat generated from the plurality of heating elements by determining a pulse supply time for which the pulse signal is supplied to the thermal head based on the temperature of the thermal head measured and a cumulative heat generation time of the thermal head, wherein when a printing operation is not executed, subtracting the cumulative heat generation time per predetermined period of time.
A POS terminal, comprising:
- a roll paper holder;
- a plurality of rollers;
- a discharge port;
- and
- a thermal printer, comprising:
- a thermal head including a plurality of heating elements;
- a temperature sensor configured to measure a temperature of the thermal head, the temperature sensor being provided in the thermal head;
- and
- a controller configured to control an amount of heat generated from the plurality of heating elements by determining a pulse supply time for which a pulse signal is supplied to the thermal head based on the temperature of the thermal head measured by the temperature sensor and a cumulative heat generation time of the thermal head, wherein when a printing operation is not executed, the controller subtracts the cumulative heat generation time per predetermined period of time.
Dependencies are inferred from the claim text.