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

1979-05-25

1981-01-20

Canney, Vincent P.

179119R, G01G 1324

Patent

active

042464501

ABSTRACT:
A readily assembled transducer assembly. The assembly includes a cup-shaped housing for the transducer magnetic structure. The housing has sized slots for receiving the pole piece tips and nesting members for positioning the coil bobbins, the pole pieces and permanent magnet bar 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.

REFERENCES:
patent: 1402546 (1922-01-01), Steinberger
patent: 1601656 (1926-09-01), Thayer
patent: 2346429 (1944-04-01), Harrison
patent: 2672525 (1954-03-01), Pye
patent: 2705263 (1955-03-01), Schoeneberg
patent: 3412219 (1968-11-01), Karau
patent: 3542974 (1970-11-01), Blastic et al.

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