Cable for stringed musical instruments
US7700872B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2009 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Feb 25, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B11/1895
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A center conductor having an effective outer diameter; a dielectric material around the center conductor, a semi-conductive layer around the dielectric material, an outer conductor, or shield, around the dielectric material; the shield having an effective inner diameter; wherein the center conductor has a cross-sectional area of 3.141×10−4 in2 or less; wherein the cable has a capacitance of about 15 pF/ft or less; wherein the cable maintains electrical continuity under a tensile force of 25 lbf or greater; wherein the cable has a flex life of greater than about 30,000 cycles; and wherein the cable is a musical instrument cable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.