Adapter apparatus for headset accessory and signal transfer method of headset accessory
US9924285B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2016 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | Sep 30, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An adapter apparatus for a headset accessory and a signal transfer method of the headset accessory are provided. The adapter apparatus includes an earphone jack, a connection interface and a device adapter circuit. The earphone jack is suitable for a plug of the headset accessory to plug in. The connection interface is suitable for being electrically connected with a portable device. The device adapter circuit is electrically connected to the earphone jack and the connection interface to receive a headset control signal of the headset accessory and provide a device control signal to the portable device via the connection interface. The device adapter circuit provides the device control signal based on a DC level and a frequency of the headset control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.