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US 4,726,120 AGranted
Measuring stylus and x-y digitizer including same
OwnerNessim I. Levyinventor
Life of this patent
Estimating the term…
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.
Claims20
A measuring stylus comprising:
- a holder movable over a medium to be measured by the stylus;
- and a lens floatingly mounted in said holder and biased to engage the measured medium;
- the underface of said lens engaging said medium being formed with a curved surface to provide a small area of contact with said medium, and being further formed with a visual measuring mark on said small area of contact with said medium.
A measuring stylus comprising:
- a holder movable over a medium to be measured by the stylus;
- and a lens floatingly mounted in said holder and biased to engage the measured medium;
- the underface of said lens engaging said medium being formed with a curved surface to provide a point contact with said medium, and being further formed with a visual measuring mark on said point contact with said medium.
Dependencies are inferred from the claim text.