Electrodynamic loudspeaker with cooling arrangement

Details Electrodynamic loudspeaker with cooling arrangement Electrodynamic loudspeaker with cooling arrangement

1993-04-06

1995-06-20

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

381196, 381203, 381165, H04R 2500

Patent

active

054267072

ABSTRACT:
A loudspeaker, comprising a magnet unit which generates a magnetic field and a movable element suspended for resilient movement around a stable rest position for radiating sound with selected properties. The loudspeaker further comprises an electrical conductor connected to the movable element and having current feed terminals. The conductor is placed in the magnetic field such that when current is passed through the conductor a force is exerted on the movable element so that the movable element is displaced from its rest position. The loudspeaker includes a cooling element producing a gas flow for forced cooling of the conductor.

REFERENCES:
patent: 4539442 (1985-09-01), Puls et al.
patent: 4757547 (1988-07-01), Danley
patent: 4811403 (1989-03-01), Henricksen et al.
patent: 5040221 (1991-08-01), Edwards et al.
patent: 5091028 (1992-02-01), Yamazaki et al.
English language abstract of Japanese application 59-138 199, Japanese Abstracts, vol. 8, No. 268 (E-238) [1705], 12/07/84.

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