Measuring stylus and x-y digitizer including same

Details Measuring stylus and x-y digitizer including same Measuring stylus and x-y digitizer including same

1987-03-05

1988-02-23

Haroian, Harry N.

Geometrical instruments

Miscellaneous

Light direction

G01B 503, G01B 1103

Patent

active

047261200

ABSTRACT:
A measuring stylus comprises a holder movable over a medium to be measured by the stylus and a lens floatingly mounted in the holder and biased to engage the measured medium. The underface of the lens engaging the medium is formed with a curved surface to provide a small area of contact with the medium, and is further formed with a visual measuring mark on the small area of contact with the medium.

REFERENCES:
patent: 1900332 (1933-03-01), Coradi et al.
patent: 2674042 (1954-04-01), Ott
patent: 2993278 (1961-07-01), Lory

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