Calibration apparatus, control method thereof, and image display apparatus
US9501982B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2014 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Feb 20, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/145
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A calibration apparatus including: a measuring unit configured to measure optical characteristics at a measurement position on a screen of an image display apparatus; a storing unit configured to store information on correspondence determined in advance among the optical characteristics at the measurement position and optical characteristics at a plurality of prescribed positions on the screen; an acquiring unit configured to acquire a representative position of an image displayed on the screen; and a calibrating unit configured to perform calibration based on the measurement value measured by the measuring unit, information on the correspondence, and a positional relationship among the plurality of prescribed positions and the representative position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.