Patent · US Expired

Microphone set

US6898294B2 · kind B2 · utility

1Cited by
5References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 13, 2002
Grant dateMay 24, 2005
Priority date
Expiry dateMay 13, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R19/04
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A microphone set comprises a microphone assembly having a square pillar shape, and a tube which has a cylindrical shape and covers the side wall of the microphone assembly.

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