Piston-type panel-form loudspeaker

Details Piston-type panel-form loudspeaker Piston-type panel-form loudspeaker

2005-08-23

2005-08-23

Le, Huyen (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Driven diverse static structure

C381S403000, C381S431000, C381S433000

Reexamination Certificate

active

06934399

ABSTRACT:
A panel-form loudspeaker includes a radiating panel, a frame, a suspension unit, a transducer and a linkage unit. The frame is used for supporting and positioning the radiating panel. The suspension unit is disposed between the frame and the bottom periphery of the radiating panel, and is made of a soft material. The transducer includes a voice coil unit and a magnet unit. The voice coil unit is coupled to the radiating panel at a specific location under the radiating panel. The linkage unit includes a first linking portion coupled to the frame, a second linking portion coupled to the voice coil unit via a resilience support, and a third linking portion coupled to the magnet unit.

REFERENCES:
patent: 6192136 (2001-02-01), Azima et al.
patent: 6332029 (2001-12-01), Azima et al.
patent: 6618487 (2003-09-01), Azima et al.

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