Earcup suspension for headphone
US4747145A · kind A · utility
52Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 24, 1986 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Nov 24, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R5/0335
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earcup suspension for a headphone includes a housing, having a vertically oriented slot and stationarily mounted on the lower end of a headband to be disposed over the top of the headphone user, an earcup mounting includes a vertical member slidably extending through the slot in the housing and having a rack surface configured to coact with a similarly configured inwardly biased detenting rack stationarily disposed in the slot whereby the earcup mounting may be adjusted vertically with respect to the lower ends of the headband.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.