Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Patent
1997-09-11
1999-03-02
Strecker, Gerard
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
7351439, 32420715, 336192, G01P 3488, G01P 102, H01F 2729
Patent
active
058776257
ABSTRACT:
A magnetic sensor having a coil that is not damaged by the injection pressure of a molten resin. The magnetic sensor includes a bobbin having a winding core and flanges, a supporting element connected to the bobbin, a coil for detecting a change in the magnetic field as a change in voltage, the coil including a winding wire wound around the winding core, an output lead wire of the coil being drawn out through an output lead slot formed in one of the flanges, and a housing covering outer portions of the bobbin, coil, and supporting element, wherein the output lead wire is drawn out through the output lead slot at a height, measured in a radial direction of the bobbin, which is substantially equal to a height of an outer surface of an adjacent portion of the supporting element.
REFERENCES:
patent: 5363033 (1994-11-01), Suda et al.
patent: 5689182 (1997-11-01), Togo et al.
patent: 5744951 (1998-04-01), Babin et al.
Hata Yasuaki
Togo Ichiro
Mitsubishi Denki & Kabushiki Kaisha
Strecker Gerard
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