Assignee
EXCEL PREC CORP
US·7 granted patents·2 pending applications·49 citations·filing 1998–2006
Top patents by PatentIndex Score
9 records- 0167US6522604B2Apparatus and method for inscribing, optically detecting, and using a clock pattern to write a servo pattern in an information storage unitEXCEL PREC CORP·Filed 2001·Granted Feb 18, 2003·5 cites·15 claims
- 0262US7375822B2Rotation and translation measurementEXCEL PREC CORP·Filed 2006·Granted May 20, 2008·3 cites·19 claims
- 0360US6266298B1Apparatus and method for inscribing, optically detecting, and using a clock pattern to write a servo pattern in an information storage unitEXCEL PREC CORP·Filed 1998·Granted Jul 24, 2001·12 cites·12 claims
- 0456US7224467B2System for rotation measurement with laser interferometryEXCEL PREC CORP·Filed 2004·Granted May 29, 2007·7 cites·7 claims
- 0556US7196798B2Optical alignment method and apparatusEXCEL PREC CORP·Filed 2004·Granted Mar 27, 2007·7 cites·25 claims
- 0653US6316779B1Rotation and translation measurement with phase sensitive detectionEXCEL PREC CORP·Filed 1999·Granted Nov 13, 2001·10 cites·24 claims
- 0748US6317200B1Positional measurement with normalized signal processingEXCEL PREC CORP·Filed 2000·Granted Nov 13, 2001·5 cites·26 claims
- 0846US2006174721A1Digital scale for linear or rotary stageEXCEL PREC CORP·Filed 2006·Application pending·0 cites
- 0942US2004123684A1Digital scale for linear or rotary stageEXCEL PREC CORP·Filed 2003·Application pending·0 cites
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