Inventor
HOEFER VOLKER
DE14 patents
⚠️ This page may combine multiple inventors who share the name “HOEFER VOLKER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEIDENHAIN GMBH DR JOHANNES
12 patentsUS6198534B1Mar 6, 2001
Scanning unit for an optical position measuring system
HEIDENHAIN GMBH DR JOHANNES55 citations96
US6175414B1Jan 16, 2001
Optical position measuring device
HEIDENHAIN GMBH DR JOHANNES30 citations92
US7154609B2Dec 26, 2006
Interferential position measuring arrangement
HEIDENHAIN GMBH DR JOHANNES12 citations83
US6043482AMar 28, 2000
Scanning unit with a printed circuit for an optical position-measuring apparatus
HEIDENHAIN GMBH DR JOHANNES14 citations72
US7112782B2Sep 26, 2006
Optical position measuring system
HEIDENHAIN GMBH DR JOHANNES6 citations61
US9303981B2Apr 5, 2016
Position-measuring device
HEIDENHAIN GMBH DR JOHANNES2 citations60
US7760471B2Jul 20, 2010
Servo track writer arm positioning device
HEIDENHAIN GMBH DR JOHANNES2 citations60
US7507949B2Mar 24, 2009
Positioning device having a shaft axially movable via a ring diaphragm
HEIDENHAIN GMBH DR JOHANNES2 citations60
US7136249B2Nov 14, 2006
Positioning device
HEIDENHAIN GMBH DR JOHANNES4 citations60
US6933700B2Aug 23, 2005
Positioning device
HEIDENHAIN GMBH DR JOHANNES4 citations59
US7474511B2Jan 6, 2009
Voice-coil motor and positioning device or servo-track writer including a voice-coil motor
HEIDENHAIN GMBH DR JOHANNES1 citations49
US7159781B2Jan 9, 2007
Scanning unit for a position measuring device
HEIDENHAIN GMBH DR JOHANNES0 citations41