Assignee
RSF ELEKTRONIK GMBH
AT·24 granted patents·524 citations·filing 1985–1996
Top patents by PatentIndex Score
24 records- 0193US5332895AAngle encoder with incremental and absolute tracksRSF ELEKTRONIK GMBH·Filed 1993·Granted Jul 26, 1994·84 cites·7 claims
- 0285US5305330ASystem comprising a laser diode and means for stabilizing the wavelength of light emitted by said laser diode, and laser interferometerRSF ELEKTRONIK GMBH·Filed 1993·Granted Apr 19, 1994·53 cites·17 claims
- 0381US5214280APhotoelectric position detector with offset phase grating scalesRSF ELEKTRONIK GMBH·Filed 1992·Granted May 25, 1993·40 cites·10 claims
- 0473US5115573AIncremental length measuring systemRSF ELEKTRONIK GMBH·Filed 1991·Granted May 26, 1992·30 cites·22 claims
- 0572US4743769ANon-contacting measuring apparatus for measuring a displacement in dependence on the incidence of a laser beam on a laser beam detectorRSF ELEKTRONIK GMBH·Filed 1986·Granted May 10, 1988·27 cites·10 claims
- 0669US4584773ALinear measuring systemRSF ELEKTRONIK GMBH·Filed 1985·Granted Apr 29, 1986·24 cites·5 claims
- 0768US4716292ALinear incremental measuring system for measuring speed and displacementRSF ELEKTRONIK GMBH·Filed 1985·Granted Dec 29, 1987·20 cites·3 claims
- 0867US5450199APhotoelectric position indicator with a light-directing phase gratingRSF ELEKTRONIK GMBH·Filed 1994·Granted Sep 12, 1995·23 cites·7 claims
- 0966US4628609AIncremental measuring and machine control systemRSF ELEKTRONIK GMBH·Filed 1985·Granted Dec 16, 1986·40 cites·11 claims
- 1064US5021650AMethod of electronically correcting position errors in an incremental measuring system and measuring system for carrying out the methodRSF ELEKTRONIK GMBH·Filed 1990·Granted Jun 4, 1991·25 cites·12 claims
- 1161US5294793ASystem for measuring lengths or angles with a high-velocity movable scanning unitRSF ELEKTRONIK GMBH·Filed 1992·Granted Mar 15, 1994·24 cites·13 claims
- 1260US4879671ADigital measurement of relative displacement using stored correction address dataRSF ELEKTRONIK GMBH·Filed 1988·Granted Nov 7, 1989·16 cites·8 claims
- 1357US5007177AIncremental measuring systemRSF ELEKTRONIK GMBH·Filed 1990·Granted Apr 16, 1991·17 cites·5 claims
- 1457US4631830AInstrument for measuring lengthsRSF ELEKTRONIK GMBH·Filed 1985·Granted Dec 30, 1986·13 cites·7 claims
- 1554US4867568AOptoelectronic measuring systemRSF ELEKTRONIK GMBH·Filed 1986·Granted Sep 19, 1989·11 cites·2 claims
- 1654US4631403ALength measuring instrument comprising a scale member and a signal-generating scanning unit which is movable along the scale memberRSF ELEKTRONIK GMBH·Filed 1986·Granted Dec 23, 1986·11 cites·10 claims
- 1752US5279043ALength measuring systemRSF ELEKTRONIK GMBH·Filed 1992·Granted Jan 18, 1994·15 cites·9 claims
- 1851US5253430ALength measuring systemRSF ELEKTRONIK GMBH·Filed 1991·Granted Oct 19, 1993·14 cites·5 claims
- 1944US4996778AIncremental measuring systemRSF ELEKTRONIK GMBH·Filed 1990·Granted Mar 5, 1991·9 cites·15 claims
- 2042US5383284AMeasuring carriage for a linear measuring systemRSF ELEKTRONIK GMBH·Filed 1993·Granted Jan 24, 1995·9 cites·5 claims
- 2136US5205049ALength measuring apparatusRSF ELEKTRONIK GMBH·Filed 1991·Granted Apr 27, 1993·5 cites·7 claims
- 2234US5117376AIncremental measuring systemRSF ELEKTRONIK GMBH·Filed 1990·Granted May 26, 1992·4 cites·14 claims
- 2333US5729218AEncoderRSF ELEKTRONIK GMBH·Filed 1996·Granted Mar 17, 1998·7 cites·8 claims
- 2431US4982507ALength measuring systemRSF ELEKTRONIK GMBH·Filed 1990·Granted Jan 8, 1991·3 cites·19 claims
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