Driver circuit, control method, and related thermal print head
US7511729B2 · kind B2 · utility
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Key dates
| Filing date | Jan 5, 2006 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Mar 2, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/35
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A driver circuit of a thermal print head is disclosed including: a plurality of gating groups respectively coupled to a plurality of strobe signals of different timings in which each gating group includes a plurality of gate units respectively coupled to a plurality of heating elements; and a register module coupled to the plurality of gating groups for providing each gate unit with a corresponding color level data; wherein each gate unit controls a coupled heating element according to a corresponding strobe signal and a received color level data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.