Invention Grant
- Patent Title: Ear phone listening device
- Patent Title (中): 耳机听力装置
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Application No.: US13607149Application Date: 2012-09-07
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Publication No.: US08855351B2Publication Date: 2014-10-07
- Inventor: Shawn R. Alstad
- Applicant: Shawn R. Alstad
- Agency: Griffiths & Seaton PLLC
- Main IPC: H04R25/00
- IPC: H04R25/00 ; H04R1/10

Abstract:
An earphone plug for receiving sound signals, having a first headphone cord connected to the earphone plug having a first length, and a second headphone cord connected to the earphone plug having a second length is provided. A first earphone body connected to the first headphone cord is provided for converting the sound signals to audible sounds. A second earphone body, connected to the second headphone cord, is provided for converting the sound signals to audible sounds. An attachment mechanism coupled to at least a portion of the first headphone cord or the second headphone cord for securing the earphone to an article of clothing.
Public/Granted literature
- US20130064412A1 EAR PHONE LISTENING DEVICE Public/Granted day:2013-03-14
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