Electroacoustic transducer comprising a closing member

Details Electroacoustic transducer comprising a closing member Electroacoustic transducer comprising a closing member

1996-12-20

1998-03-10

Le, Huyen D.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

381159, 381201, H04R 2500

Patent

active

057270775

ABSTRACT:
In an electroacoustic transducer (1) having a diaphragm (5) and a partition (24) situated behind the diaphragm (5), which partition is traversed by partition openings (25, 26, 27, 28, 29, 30, 31, 32) to provide communication between a space (34) situated between the diaphragm (5) and one side (33) of the partition (24) and a space (36) situated at the other side (35) of the partition (24), a magnet system (16) situated at least partly within the space (36) at the other side (35) of the partition (24), and a closing member (44) for closing, at the back, the space (36) situated at the other side (35) of the partition (24), the closing member (44) has an opening (45) by which the closing member (44) is mounted on the outer circumferential surface (46) of the magnet system (16) with an acoustically sealed fit.

REFERENCES:
patent: 4403120 (1983-09-01), Yoshimi
patent: 4520237 (1985-05-01), Murakami
patent: 4742887 (1988-05-01), Yamaghishi
patent: 5150419 (1992-09-01), Kizak et al.
patent: 5303209 (1994-04-01), Frasl
patent: 5524151 (1996-06-01), Bleim

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