Patent · US Expired

Method of and means for loudspeaker sound wave distribution

US4214645A · kind A · utility

61Cited by
9References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 9, 1978
Grant dateJul 29, 1980
Priority date
Expiry dateNov 9, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R1/345
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A loudspeaker having a totally integrated acoustic system which reduces unwanted cabinet diffraction of the sound waves to minimum; resulting in maximum sound wave dispersion with directional accuracy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.