Stereo speakers mounted on head
US5327178A · kind A · utility
Inventor
Key dates
| Filing date | Jun 2, 1993 |
| Grant date | Jul 5, 1994 |
| Priority date | — |
| Expiry date | Jun 2, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1016
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In combination with support structure attachable to an upper portion of the user's head, the improvement comprising a first loudspeaker carried by the support structure in offset, proximate relation to the ear opening of one of the user's ears, the loudspeaker having an input to receive electrical signals from a signal source; the speaker having an audio output side, and the offset relation characterized in that the output side faces toward the ear opening and has spacing from the opening by an amount between about 1/2 and 1 inch when the support structure is attached to the user's head; the support structure including an ear stem of eyeglasses, and the support structure including a closed loop sleeve on and having slidable connection with the stem, whereby the sleeve is adjustably slidable along the stem and rotatable thereabout to bring the loudspeaker into a position corresponding to the offset proximate relation to the ear opening, to be retained in the position, the sleeve being resiliently deformable and expandable to grip the stem, as the sleeve is rotated about the stem.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.