Data communication apparatus
US4922349A · kind A · utility
50Cited by
8References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1988 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | Jan 13, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/33378
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
When data communication is to be performed, character code data and image data are divided into different block areas, the block area of the image data is further divided into block areas in accordance with image characteristics of the image data, and the data of the respective block areas are communicated, thereby efficiently communicating the data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.