Display device in a video instrument
US4775898A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1987 |
| Grant date | Oct 4, 1988 |
| Priority date | — |
| Expiry date | Aug 13, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S358/906
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A visual display device in a video instrument capable of alternatively setting the frame mode and the field mode comprises display means having a display area, means for driving the display means by a first display mode in which a plurality of patterns are displayed while being distributed at a predetermined density in the display area and a second display mode in which a plurality of patterns are displayed while being distributed at a density lower than the predetermined density in the display area, and means for selecting the first display mode when the frame mode is set, and selecting the second display mode when the field mode is set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.