Microphone circuit with mute and keep alive function
US6681020B1 · kind B1 · utility
9Cited by
9References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 1999 |
| Grant date | Jan 20, 2004 |
| Priority date | — |
| Expiry date | Apr 9, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R3/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A microphone system including a microphone for inputting voice data, an output for transmitting the voice data to a device connectable thereto; and a circuit which operates to mute the voice data and provide a signal to the device in order to maintain a suspended state of operation in the device. The device may be a computer that is responsive to voice data, for example, by utilizing voice recognition software.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.