Method for manufacturing magnetic pickup sensor

Details Method for manufacturing magnetic pickup sensor Method for manufacturing magnetic pickup sensor

1994-04-12

1996-01-02

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

296021, 26427215, 26427216, H01F 4102

Patent

active

054796970

ABSTRACT:
A magnetic pickup sensor comprising a sensor assembly 11 and a molded resin housing 12 disposed around the assembly. The sensor assembly has a pickup coil 15 wound around an iron core 14 for detecting a change in the magnetic flux of a magnet 13, and a support unit including a coil bobbin 18 and a spacer 20 for supporting the magnet and core assembly. The iron core has one end 14 a projecting outwardly from the molded resin, and the spacer of the support unit has a positioning recess 23 for engagement by a positioning pin 30 of a mold die. Therefore, the sensor assembly can be accurately positioned and held within the mold die during molding of the housing.

REFERENCES:
patent: 5010263 (1991-04-01), Murata

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