Ear piece transducer

Details Ear piece transducer Ear piece transducer

1989-06-30

1990-10-23

Ng, Jin F.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

381183, H04R 110

Patent

active

049658387

ABSTRACT:
An ear piece transducer having a housing incorporating therein an electroacoustic transducer element, the housing being inserted into a concave portion of an auricle, and a ring member having resiliency sufficient to enable it to be attached to the outer peripheral portion of the housing, the ring member being formed so as to be thickest in one radial direction.

REFERENCES:
patent: 2078385 (1937-04-01), Kato
patent: 2430229 (1947-11-01), Kelsey
patent: 4537187 (1985-08-01), Scott
patent: 4585089 (1986-04-01), Topholm
patent: 4668842 (1987-05-01), Yokoyama et al.
patent: 4736435 (1988-05-01), Yokoyama et al.

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