Optical apparatus equipped with sight line detector
US5696998A · kind A · utility
12Cited by
20References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1995 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | Apr 20, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2213/025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A sight line detecting device includes a controller operable in a sight line information using mode for controlling an optical apparatus for use in accordance with sight line information, and usable in a sight line information prohibiting mode for controlling the apparatus without using the sight line information. A selector selects either mode for controlling the optical apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.