Boots – shoes – and leggings
Patent
1992-04-16
1995-05-09
Voeltz, Emanuel T.
Boots, shoes, and leggings
364559, 364560, 364505, 33813, 33814, G01N 2100
Patent
active
054146461
ABSTRACT:
A digital optical micrometer for mounting on an optical instrument and having an optical flat plano-parallel window which is connected to a micrometer drum. The drum can pivot or incline the optical plano-parallel window to cause displacement of a line of sight. The digital optical micrometer further has an LCD read-out that indicates the amount of displacement of the line of sight, a circuit that is connected to the optical plano-parallel window and provides an electrical signal having a signal property which varies in proportion to the inclination of the line of sight, and an analog-to-digital converter that is connected to the circuit and converts the electrical signal to a digital word having a binary value representative of the inclination of the line of sight. The optical micrometer further has a computer which has a clock input that provides for an automatic power down of the micrometer. The micrometer includes a linkage arrangement rotating the optical flat window which minimizes the error effect of gear backlash.
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Rolbiecki Timothy J.
Sanders David L.
Brunson Instrument Company
Voeltz Emanuel T.
Wachsman Hal D.
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