Means for controlling ribbon edge clearance in a ribbon loudspea

Details Means for controlling ribbon edge clearance in a ribbon loudspea Means for controlling ribbon edge clearance in a ribbon loudspea

1983-06-21

1986-04-01

Rubinson, Gene Z.

1791155PV, H04R 716, H04R 900

Patent

active

045800146

ABSTRACT:
A ribbon assembly and a method of forming same for use in a ribbon loudspeaker which has an elongated electrically conducting ribbon, a magnet means for producing a magnetic field parallel to a mean plane through and directed transversely to the ribbon, and means for generating a varying electrical current through the ribbon. The ribbon assembly includes a wafer board having an elongated aperture and means for mounting the ribbon across the aperture, to electrically conducting pads at either end thereof such that the clearance between the elongated edges of the ribbon and the adjacent elongated ribbon facing edge of the aperture, are less than 1% of the ribbon width. A pair of elongated side rails are removably disposed along each elongated side of the aperture to form ribbon facing edges of the aperture.

REFERENCES:
patent: 3564163 (1971-02-01), Hobrough

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