Electrostatic loudspeaker and electrostatic headphone
US10250966B2 · kind B2 · utility
14Cited by
0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2017 |
| Grant date | Apr 2, 2019 |
| Priority date | — |
| Expiry date | Nov 15, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R19/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electrostatic loudspeaker and an electrostatic headphone are provided. The electrostatic loudspeaker includes a first back grid portion, a second back grid portion, a diaphragm portion, and an audio amplifier circuit module. The two polarized and charged back grid portions are combined with the diaphragm portion to form two alternating electric fields, providing great sound. The structure is simple and can be assembled conveniently.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.