Optical device having a line of sight detection apparatus
US5752090A · kind A · utility
7Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1997 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Aug 11, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2213/025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical device having a line of sight detection circuit, includes a line of sight detection circuit for detecting the line of sight of a user, a display member for displaying the position of the line of sight detected by the line of sight detection circuit, an operation unit which can operate in a plurality of operation modes on the basis of information of the line of sight detected by the line of sight detection circuit. The display member changes the display mode for the line of sight position in accordance with the operation mode of the operation unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.