Musical instrument pickup with hard ferromagnetic backplate
US8907199B1 · kind B1 · utility
10Cited by
83References
27Claims
0Family size
Inventor
Key dates
| Filing date | Dec 21, 2012 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Dec 28, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H2220/515
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A musical instrument pickup with hard ferromagnetic backplates that are coupled to self-magnetized pole pieces, thereby enabling the tonal parameters of the pickup to be varied over an extended range. The tonal range of pickups with composite pole pieces are extended by a hard ferromagnetic backplates and the tonal range of pickups with monolithic pole pieces are extended by backplates that are formed from hard ferromagnetic materials with coercivities in the range of 300 Oersteds to 1000 Oersteds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.