Speaker unit having two voice coils wound around a common coil b

Details Speaker unit having two voice coils wound around a common coil b Speaker unit having two voice coils wound around a common coil b

1985-10-18

1988-11-08

Ng, Jin F.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

381 96, 381192, 381194, 381199, 381201, H04R 906, H04R 904, H04R 124

Patent

active

047838248

ABSTRACT:
A speaker unit having a pair of voice coils each wound around a common coil bobbin and a first magnet for driving one coil of the pair of voice coils. A second magnet is provided for suppressing flux leakage of the first magnet and driving one coil of the pair of voice coils.

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patent: 4529846 (1985-07-01), Freeman et al.
patent: 4586192 (1986-04-01), Arntson
patent: 4609784 (1986-09-01), Miller

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