RSF-Elektronik Gesellschaft m.b.H.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS693
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 258
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 2126
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5729218 EncoderMar 20, 96Mar 17, 98[H03M]
5450199 Photoelectric position indicator with a light-directing phase gratingJan 18, 94Sep 12, 95[G01B]
5383284 Measuring carriage for a linear measuring systemNov 02, 93Jan 24, 95[H01J, G01B]
5332895 Angle encoder with incremental and absolute tracksFeb 10, 93Jul 26, 94[G01D]
5294793 System for measuring lengths or angles with a high-velocity movable scanning unitAug 17, 92Mar 15, 94[G01D]
5279043 Length measuring systemMar 20, 92Jan 18, 94[G01B]
5253430 Length measuring systemSep 26, 91Oct 19, 93[G01B]
5214280 Photoelectric position detector with offset phase grating scalesApr 10, 92May 25, 93[H01J]
5205049 Length measuring apparatusSep 26, 91Apr 27, 93[G01B]
5115573 Incremental length measuring systemSep 26, 91May 26, 92[G01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5305330 System comprising a laser diode and means for stabilizing the wavelength of light emitted by said laser diode, and laser interferometerExpiredMar 30, 93Apr 19, 94[H01S]
5117376 Incremental measuring systemExpiredMay 11, 90May 26, 92[G01B]
5021650 Method of electronically correcting position errors in an incremental measuring system and measuring system for carrying out the methodExpiredMar 28, 90Jun 04, 91[G01D]
5007177 Incremental measuring systemExpiredJan 22, 90Apr 16, 91[G01B]
4996778 Incremental measuring systemExpiredJan 16, 90Mar 05, 91[G01B]
4982507 Length measuring systemExpiredJan 22, 90Jan 08, 91[G01B]
4879671 Digital measurement of relative displacement using stored correction address dataExpiredNov 14, 88Nov 07, 89[G06F, G01C, G01B]
4867568 Optoelectronic measuring systemExpiredJun 30, 86Sep 19, 89[G01D]
4743769 Non-contacting measuring apparatus for measuring a displacement in dependence on the incidence of a laser beam on a laser beam detectorExpiredSep 03, 86May 10, 88[G01B]
4716292 Linear incremental measuring system for measuring speed and displacementExpiredJul 01, 85Dec 29, 87[G01D]
4631830 Instrument for measuring lengthsExpiredJun 28, 85Dec 30, 86[G01B]
4631403 Length measuring instrument comprising a scale member and a signal-generating scanning unit which is movable along the scale memberExpiredJan 02, 86Dec 23, 86[H01J]
4628609 Incremental measuring and machine control systemExpiredJul 01, 85Dec 16, 86[G01B]
4584773 Linear measuring systemExpiredJul 11, 85Apr 29, 86[G01B]

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