Electronic magnetic position sensor using a magnetic path linkin

Details Electronic magnetic position sensor using a magnetic path linkin Electronic magnetic position sensor using a magnetic path linkin

1995-10-18

1998-11-24

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Displacement

32420712, 32420724, 32420725, G01B 714, G01B 730, G01D 520

Patent

active

058412735

ABSTRACT:
A magnetic sensor comprising at least one energizing coil (5), at least two magnetism detection elements (6a, 6b), a magnetic path forming means interlinking with the energizing coil and making a magnetic flux having passed through the magnetism detection elements (6a, 6b) pass therethrough and having a magnetic reluctance corresponding to a variable position of a movable member to be detected, and a position signal generating means for generating a position signal on the basis of output signals from said magnetism detection elements. This magnetic sensor preferably includes determining means (15) for producing an enable signal when an instantaneous signal of an output signal (c) generated from at least one of the magnetism detection elements or an instantaneous value of an energizing current flowing in the energizing coil (5) is higher than a specified level.

REFERENCES:
patent: 3178696 (1965-04-01), Claflin, Jr.

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