Headphone device
US11350203B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2018 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | Jun 22, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/17
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a headphone device including a housing, an audio input unit that is arranged to be separated from the housing and collects audio to generate an audio signal, a holding unit that abuts on a cavum concha or an inner wall of an ear canal of a user and holds the audio input unit in a space closer to an eardrum side than a tragus, in a state of being worn by the user, a wired connection unit that connects the housing and the audio input unit in a wired manner, a signal processing unit that generates a noise cancellation signal for an external sound based on the audio signal generated by the audio input unit, and generates an output signal based on the generated noise cancellation signal, and an audio output unit that outputs audio based on the output signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.