Measuring system

Details Measuring system Measuring system

1983-09-28

1986-05-06

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177DIG5, 73779, 324208, 33DIG1, G01G 314, G01L 112, G01B 714

Patent

active

045865760

ABSTRACT:
A measuring system using the magnetic scale and a sensing head measures a deformation of a deformable member and/or one or more physical quantities, e.g. a strain and internal stress of, or an external force to, the member, which are functions of the deformation. The magnetic scale comprises a succession of discrete, uniformly spaced scaling units each of which individually consists of a pair of magnetic poles (N, S). The magnetic scale is arranged to be displaceable relative to the magnetic sensing head in response to a deformation of the deformable member so that the magnetic pickup head successively senses the passage of the magnetic scaling units. An output circuit unit is connected to the magnetic head for counting the number of magnetic scaling units sensed corresponding to the deformation and produces an electrical output signal representative thereof, and/or one or more of the above physical quantities.

REFERENCES:
patent: 1635090 (1927-07-01), Linwood
patent: 2914756 (1959-11-01), Heidenhain et al.
patent: 3535920 (1970-10-01), Bernaix
patent: 3948088 (1976-04-01), Shapherd
patent: 4471304 (1984-09-01), Wolf

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