Poor-scatter pot magnet system for magnetic-dynamic loudspeakers

Details Poor-scatter pot magnet system for magnetic-dynamic loudspeakers Poor-scatter pot magnet system for magnetic-dynamic loudspeakers

1984-10-23

1987-03-31

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

335301, 335304, 381189, H04R 902, H04R 904

Patent

active

046544860

ABSTRACT:
A poor-scatter pot magnet system for magnetic-dynamic loudspeakers or acoustic transducers in which two permanent magnets, of which at least the upper one is a magnet ring. A pole core, an upper, perforated plate and a lower pole plate are built into an iron pot coaxially to one another in such a way that the pole core penetrates the upper magnet ring and the upper, perforated pole plate in a central opening. The upper edge of the iron pot ends in the area of the side of the upper magnet ring below the top thereof.

REFERENCES:
patent: 3067366 (1962-12-01), Hofman
patent: 4465906 (1984-08-01), Adolph et al.
DIN 45578 (the German Standardization Institute Paper entitled: "Magnet System for Moving Coil Loudspeakers: Definitions, Dimensions, Methods of Measurement").

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