Insert earphone

Details Insert earphone Insert earphone

2005-08-16

2005-08-16

Ni, Suhan (Department: 2643)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S380000, C181S130000

Reexamination Certificate

active

06931142

ABSTRACT:
An insert earphone which prevents a sound leakage and improves wearing comfort. An ear chip has a barrel portion and first and second annular flange portions having the shape of a parabola spreading from the top toward the middle and from the middle toward the base of the barrel portion respectively. The first annular flange portion has a smaller outer diameter than the second annular flange portion. The first annular flange portion has almost even thickness from the inner circumference to the outer circumference, and has the inner circumference neighborhood substantially formed in the shape of a sliced doughnut.

REFERENCES:
patent: RE38351 (2003-12-01), Iseberg et al.

Affiliated with

Also associated with

Rating

Insert earphone does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Insert earphone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Insert earphone will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3464460