Error correction apparatus for a length-measuring instrument and

Details Error correction apparatus for a length-measuring instrument and Error correction apparatus for a length-measuring instrument and

1979-05-08

1981-04-21

Martin, Jr., William D.

Geometrical instruments

Area integrators

Electrical

G01B 1102

Patent

active

042624231

ABSTRACT:
An error correction apparatus for a precision measuring instrument includes an error correction profile which is formed as an integral part of a structural member of the measuring instrument, thereby avoiding the need for a separately mounted and adjusted profile member. Preferably, the integral profile of this invention is shaped after the instrument has been calibrated with the measuring scale mounted in place on the structural member which defines the profile.

REFERENCES:
patent: 2995826 (1961-08-01), Brault
patent: 3212194 (1965-10-01), Brault
patent: 3942895 (1976-03-01), Meyer et al.
patent: 4152837 (1979-05-01), Nelle et al.
patent: 4170828 (1979-10-01), Ernst

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