Earphone
First Claim
1. An earphone comprising a case of circular cross-section having a diameter permitting said case to be frictionally held within a human ear cavity between the tragus and an opposing projection of the pinna and a speaker unit located within said case, said case having one end having at least one sound opening adapted to extend over the auditory meatus without extending therein and said case having a diameter adjacent said one end substantially equal to the diameter of the case adjacent a middle portion thereof with the diameter of the case adjacent the other end being gradually reduced.
1 Assignment
0 Petitions
Accused Products
Abstract
A high performance and extremely compact earphone is disclosed. The earphone includes a speaker unit and a case in which the speaker unit is mounted. The earphone is attachable to a cavity of a conha defined by the tragus and a confronting projection of the pinna of the ear. The earphone has a specific physical configuration such that the earphone is firmly fitted to the ear cavity by the resiliency and friction of the ear.
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Citations
10 Claims
- 1. An earphone comprising a case of circular cross-section having a diameter permitting said case to be frictionally held within a human ear cavity between the tragus and an opposing projection of the pinna and a speaker unit located within said case, said case having one end having at least one sound opening adapted to extend over the auditory meatus without extending therein and said case having a diameter adjacent said one end substantially equal to the diameter of the case adjacent a middle portion thereof with the diameter of the case adjacent the other end being gradually reduced.
Specification