Head-mounted image display device and data processing apparatus including the same
US5977935A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1996 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Feb 12, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/7491
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A head-mounted image display device with a good operability and a data processing apparatus including such a display device. A head-mounted image display device wherein a liquid crystal panel and an enlarging optical system are housed in a frame and wherein images generated on the liquid crystal display panel through the enlarging optical system are visible in the field of view in front of the frame comprises a first direction detection means (107) disposed in part of the frame (101) for detecting the direction of the user's head; an observation point detection means (109) disposed in part of the frame for detecting the user's line of sight; a trigger input means (4) for transmitting trigger signals; and an image generation means (3, 105) for controlling images generated on the liquid crystal display panel based on signals from the first direction detection, observation point detection, and trigger input means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.