Earphone

Details Earphone Earphone

1989-03-14

1990-11-20

Ng, Jin F.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

381 686, 181130, H04R 110, H04R 2500

Patent

active

049724924

ABSTRACT:
An earphone for use with audio reproduction devices. The earphone includes a housing, shaped to be retained in the concha cavity of the human ear, having an elongated portion shaped to fit between the tragus and antitragus of the ear, an audio transducer contained within the housing, a device for providing an electric signal to the audio transducer and a hollow tubular guide member attached to the housing such that when the elongated portion of the housing is inserted between the tragus and the antitragus of a human ear, the hollow tubular guide member extends into the external auditory meatus of the ear.

REFERENCES:
patent: 4403120 (1983-09-01), Yoshimi
patent: 4516428 (1985-05-01), Konomi
patent: 4736435 (1988-04-01), Yokoyama et al.

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