Captioning glasses
US6005536A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1996 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Jan 16, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/014
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A wearable display device displays a sequence of words into the field of view of a person wearing the device in order to communicate information to the person, such as captions for hearing-impaired persons or translations of speech spoken by another person. Various embodiments of the device include an eyeglass frame configured to be worn by the person, a housing mounted to the eyeglass frame, including a circuit for receiving a signal containing the sequence of words, a display for displaying the sequence of words received by the circuit, a mirror mounted to reflect the displayed sequence of words downwardly through the housing, and a lens disposed in the path of the mirror to magnify the displayed sequence of words downwardly reflected by the mirror, and a partially reflective beamsplitter, mounted to the housing and extending downwardly over an eye of the person, for receiving the downwardly reflected sequence of words and projecting them into the field of view of the person. The display itself may be moved along a recess in the housing to focus the words onto the beamsplitter. A curved beamsplitter may be used instead of a lens to magnify the words and provide optical correction…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.