Thermal printer
AssigneeRohm Co., Ltd.
InventorTakaya Nagahata
Life of this patent
Estimating the term…
Abstract
A thermal printer comprises a plurality of heating elements for heating a recording medium to form an image thereon, an electric motor for transporting the recording medium to a direction opposite to a subscanning direction by rotating a predetermined angle each time a driving pulse is input, and an activating control section for dividing the plural heating elements into a plurality of groups and for activating every the groups of the heating elements in sequence asynchronously such that the sequential activating of all the groups is repeated more than once while each time the driving pulse is turned on.
Claims19
A thermal printer comprising:
- a plurality of heating elements for heating a recording medium to form an image thereon;
- an electric motor for transporting the recording medium to a direction opposite to a subscanning direction by rotating a predetermined angle each time a driving pulse is input;
- and
- an activating control section for dividing the plural heating elements into a plurality of groups and for activating every group of the heating elements asynchronously such that the sequential activating of all the groups is repeated more than once during each time period the driving pulse is turned on.
Dependencies are inferred from the claim text.