Geometrical instruments – Distance measuring – Error compensation
Patent
1995-04-03
1997-05-20
Bennett, G. Bradley
Geometrical instruments
Distance measuring
Error compensation
33706, G01B 1104
Patent
active
056302835
ABSTRACT:
An encoder including a measuring standard, a scanner for scanning the grating of the measuring standard, a measuring standard carrier having a groove for receiving the measuring standard, a relatively thin glue layer provided between one of the opposite surfaces of the groove and the measuring standard, and at least one spring element provided between another of the opposite surfaces of the groove and the measuring standard.
REFERENCES:
patent: 4492033 (1985-01-01), Ichikawa
patent: 4495703 (1985-01-01), Sakata et al.
patent: 4569137 (1986-02-01), Ichikawa
patent: 4777728 (1988-10-01), Ludicke
patent: 5065525 (1991-11-01), Szenger
patent: 5115573 (1992-05-01), Rieder et al.
Bennett G. Bradley
Dr. Johannes Heidenhain GmbH
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