Loudspeaker-cable interface
US4177431A · kind A · utility
5Cited by
2References
9Claims
0Family size
Inventor
Key dates
| Filing date | Mar 17, 1978 |
| Grant date | Dec 4, 1979 |
| Priority date | — |
| Expiry date | Mar 17, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R3/007
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker-cable interface for use in audio reproduction systems including a capacitor and resistor for effectively terminating the cable with a predetermined impedance at frequencies above the audio range. The interface operates to inhibit generation of spurious high-frequency oscillations which could cause damage to the amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.