Bluetooth earphone system, and earphone case for storing and charging Bluetooth earphones
US11451899B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2021 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Jun 30, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/07
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earphone case for storing and charging Bluetooth (BT) earphones includes: an earphone container for accommodating a pair of BT earphones; a BT circuit for communicating with the pair of BT earphones through BT communication after the pair of BT earphones is taken out; a microphone for receiving outside sound to generate a microphone signal after the pair of BT earphones is taken out; an audio circuit for generating an audio signal according to the microphone signal and providing the audio signal for the pair of BT earphones through the BT circuit in a predetermined mode; a user interface for generating a control signal according to user control after the pair of BT earphones is taken out, and providing the control signal for the pair of BT earphones through the BT circuit; and a control circuit for controlling the interaction between the earphone case and the pair of BT earphones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.