Display apparatus and image pickup apparatus
US7059729B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2004 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | Aug 30, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/393
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display apparatus comprises a screen which can rotate and provides a part for controlling view angle, a mirror group which comprises a plurality of mirrors arrayed in a ring form along a surface of a circular cone which sets a central axis as an axis of rotation of the screen, and a plurality of electronic projectors arranged at positions where oppose to mirror faces of the mirrors comprising the mirror group and project different image divisions representing different sides of an object to the different mirror faces, wherein each of the electronic projectors is arranged so as to project the image division to the mirror group, and each of the mirrors is arranged on optical path of optical system which the image division projected from the electronic projector is reflected on the mirror face and is projected to the screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.