ATE520263T1
Polarization voltage setting of microphones
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 30 March 2024, 2.5 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Publication of translation of european patent specificationUEP | UEP |
Numbers
- Application
- 4450073
Titles2
- German
- EINSTELLUNG DER POLARISATIONSSPANNUNG VON MIKROFONEN
- English
- ADJUSTING THE POLARIZATION VOLTAGE OF MICROPHONES
Classification
- CPC, 1
- H04R19/04
- IPC, 3
- H04R3 06
- H04R19 00
- H04R19 04