Combination multiple supported variable position audio intake control devices
US4901355A · kind A · utility
100Cited by
16References
13Claims
0Family size
Inventor
Key dates
| Filing date | Dec 14, 1987 |
| Grant date | Feb 13, 1990 |
| Priority date | — |
| Expiry date | Dec 14, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A personal audio assembly including a pair of miniature speakers releasably connected with the sidepieces of a pair of spectacles or headgear in a manner permitting adjustment of the speakers longitudinally, angularly and vertically with respect to the sidepieces or headgear and toward and away from the ears of a user. Leads connect the speakers with an audio source controlling sound entering the ear and are provided with an adjusting member maintaining the speakers in a selected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.