Method for making a magnet transducer assembly

Details Method for making a magnet transducer assembly Method for making a magnet transducer assembly

1986-05-29

1988-06-14

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29602R, 26427215, 26427219, 381201, H04R 3100

Patent

active

047502576

ABSTRACT:
The method of making the diaphragm includes pressing on the front face of a film at spaced apart areas to deform it progressively into a series of closely-spaced generally U-shaped projections. A manufacturing device presses the sides of the projections inwardly to rigidify them. The transducer magnet assembly includes a series of elongated magnet pole-piece strips which confine magnets and are arranged in parallel spaced-apart rows with the ends thereof fitted into transverse elongated grooves extending within a pair of elongated cross-piece end members. The driver is fixed together in a precise manner by flowing an adhesive material into the grooves, and then by allowing such material to harden.

REFERENCES:
patent: 3761641 (1973-09-01), Mlinaric
patent: 4037061 (1977-07-01), von Recklinghausen

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