Thermal recording method and apparatus
US4638329A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1985 |
| Grant date | Jan 20, 1987 |
| Priority date | — |
| Expiry date | Aug 29, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/355
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A thermal recording method and apparatus for printing picture information with use of a thermal head, in which picture information corresponding to one unit to be printed is divided into a plurality of blocks using counters, etc., and the rate of black data contained in each of the divided blocks is detected to know the distribution of black data contained in the one unit, whereby printing is carried out with the minimum number of printing determined by the distribution of black data in the one unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.