Visual axis detection apparatus and optical apparatus provided therewith
US6035054A · kind A · utility
15Cited by
29References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 1997 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Jan 7, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2213/025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to a visual axis detection apparatus and the like which is constituted by light receiving device for receiving image of an observer's eye, read-out device for reading out the photoelectric conversion signals from the light receiving device, information processing device for extracting a plurality of characteristic information on the basis of the signals read out by the read-out device and outputting information regarding the direction of the observer's visual axis and restricting device for giving a restriction to the read-out area of the light receiving device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.