Display device
US5323173A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Dec 14, 1992 |
| Grant date | Jun 21, 1994 |
| Priority date | — |
| Expiry date | Dec 14, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G1/162
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A display device having display memory and a display unit including a display plane for displaying contents of the display memory includes a boundary co-ordinate setting unit for setting co-ordinate values on the display plane of boundaries demarcating various display sections which are made by dividing a display area of the display plane into a plurality of areas, a co-ordinate memory for storing the set boundary co-ordinate values, an input data memory for storing input data having co-ordinate values corresponding to the display area of the display plane, a display scale factor setting unit for setting display scale factors of the input data of each of the display sections and a scale factor memory for storing the set display scale factors. A unit is provided for reading the display scale factors corresponding to the co-ordinate values of the input data read out from the input data memory on the basis of contents of the co-ordinate memory and the scale factor memory, and an operating unit is provided for operating enlargement or reduction of the co-ordinate values of the read input data in accordance with the read display scale factor, converting the co-ordinate values into displ…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.