Transducer

Details Transducer Transducer

1996-07-24

1998-05-26

Le, Huyen D.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381 69, H04R 2500

Patent

active

057579474

ABSTRACT:
A transducer, in particular suitable for hearing aids, comprising a coil, two spaced magnet elements, a membrane, and an E-shaped armature, a middle leg of the E-shaped armature extending through the coil and the two magnet elements and being coupled with the membrane by means of a connecting element, limiting means being provided for limiting the maximum deflection of the middle leg of the E-shaped armature, which limiting means cooperate with the end of the middle leg of the E-shaped armature.

REFERENCES:
patent: 3111563 (1963-11-01), Carlson
patent: 3588383 (1971-06-01), Carlson
patent: 3617653 (1971-11-01), Tibbetts
patent: 3935398 (1976-01-01), Carlson et al.
patent: 4272654 (1981-06-01), Carlson
patent: 4518831 (1985-05-01), Stanley et al.
PCT/GB93/02140--International Filing Date: 15 Oct. 1993; International Publication No. WO 94/1817; Inventors/Applicants (for US only): Salvage, R.J., Harrington, S.J.

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