Geometrical instruments – Distance measuring – Scale reading position sensor
Reexamination Certificate
2009-05-07
2011-12-06
Smith, Richard A (Department: 2841)
Geometrical instruments
Distance measuring
Scale reading position sensor
C033S707000, C250S559320, C250S231180
Reexamination Certificate
active
08069580
ABSTRACT:
A measuring device for determining a position and/or a speed includes a scale having marks arranged at spacings from one another, and a scanning head, with the scale and the scanning head being arranged for movement relative to one another along a movement direction. The scanning head is constructed to determine a first spacing of the scanning head in the movement direction relative to a first one of the marks, and a second spacing of the scanning head in the movement direction relative to a second one of the marks, with the position and/or the speed being determined on the basis of the first spacing and the second spacing.
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MTS Sensors; Temposonics; Positionssensoren Seiten 1 bis 3; Others; (= 2008Q06737).
Day Ursula B.
Feiereisen Henry M.
Siemens Aktiengesellschaft
Smith Richard A
LandOfFree
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