Optical apparatus and camera for controlling a plurality of functions by using a visual axis
US5600399A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1996 |
| Grant date | Feb 4, 1997 |
| Priority date | — |
| Expiry date | Feb 16, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2213/025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to an optical apparatus with a visual axis detection function. The apparatus having finder means for observing an object, and visual axis detection means for detecting a visual axis position of an observer who looks into a field of view of a finder comprises a visual axis input index which is arranged in the field of view of the finder means, visual axis input means for executing a predetermined function selected when the visual axis detection means detects that the visual axis of the observer is located on or near the visual axis input index and selection means for causing the observer to select the predetermined function to be executed by said visual axis input means from a plurality of functions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.