Telephone transducer assembly and method of making same

Details Telephone transducer assembly and method of making same Telephone transducer assembly and method of making same

H - Electricity

04

R

26/124, 349/76

H04R 11/06 (2006.01) H04R 11/00 (2006.01) H04R 31/00 (2006.01)

Patent

CA 1122694

ABSTRACT OF THE DISCLOSURE: A readily assembled transducer assembly. The assembly includes a cup-shaped non-magnetic housing for the transducer magnetic structure. The housing has one or more slots for receiving the pole piece tips and nesting members for positioning the coil bobbins, the pole pieces and permanent magnet within the housing. The cup is placed on a plate of magnetic material so that the pole tips are attracted to the plate and held firmly in place. With the pole tips held, a potting compound may be introduced into the cup cavity. As the compound is hardening, terminals and a cap cover may be applied. When the compound has set, the assembly is removed and is ready for use. The magnetic assembly housing has an external peripheral screw thread for mating with a threaded wall of the armature and diaphragm assembly. During the mating process, the air gap adjustment between the magnetic assembly and armature may be set at a desirable level and maintained.

313798

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