Invention Grant
- Patent Title: Combined headphone set and portable speaker assembly
- Patent Title (中): 组合耳机组和便携式音箱组合
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Application No.: US11651831Application Date: 2007-01-10
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Publication No.: US08085966B2Publication Date: 2011-12-27
- Inventor: Allan Amsel
- Applicant: Allan Amsel
- Agent Ezra Sutton
- Main IPC: H04R25/00
- IPC: H04R25/00

Abstract:
A combined headphone set including a speaker assembly. The headphone set includes a headband having a speaker headphone on opposing ends of the headband. Each of the speaker headphones includes an exterior speaker for public listening and an interior speaker for personal listening by the user. One of the speaker headphones includes switching means for listening to the interior speaker or to the exterior speaker or to the interior and exterior speakers simultaneously from each of the speaker headphones. Each of the speaker headphones includes an audio signal wire connected from an output jack of an audio device to the speaker headphones.
Public/Granted literature
- US20080166002A1 Combined headphone set and portable speaker assembly Public/Granted day:2008-07-10
Information query