Eyeglass mounted visual display
US3936605A · kind A · utility
44Cited by
10References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 14, 1972 |
| Grant date | Feb 3, 1976 |
| Priority date | — |
| Expiry date | Feb 14, 1992 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0178
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A personal information system wherein an illuminated information source is viewed in a mirror located closer to the eye than the shortest focal length to present in focus a visual image to the eye so that it can be viewed unobtrusively superimposed over the existing visual scene during normal activities. In a further aspect, the invention provides reflected illuminated symbolic presentation for speech interpretation assistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.