Patent · US Active

Condenser microphone

US10602280B2 · kind B2 · utility

0Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 2019
Grant dateMar 24, 2020
Priority date
Expiry dateMar 22, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/11
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A condenser microphone, including at least one diaphragm, at least one electrode assigned to the diaphragm, comprising at least one ring-shaped insulator holding the electrode, comprising at least one diaphragm ring holding the diaphragm, and a holding ring holding the components mentioned. The mechanical and electrical properties of the condenser microphone are improved where the holding ring includes ceramic material. Preferably, the diaphragm ring and/or the ring-shaped insulator also consist(s) of ceramic material. With further preference, the ceramic material is zirconium oxide.

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