Inventor
LAMARCHE JEAN LUC
10 patents
⚠️ This page may combine multiple inventors who share the name “LAMARCHE JEAN LUC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IFM ELECTRONIC GMBH
9 patentsUS7561000B2Jul 14, 2009
Oscillator circuit for a sensor
IFM ELECTRONIC GMBH10 citations76
US6356202B1Mar 12, 2002
Circuit for monitoring trouble-free state and/or detecting incorrect state of an installation
IFM ELECTRONIC GMBH13 citations72
US5977662ANov 2, 1999
Electronic switching device and circuits with a plurality of such switching devices
IFM ELECTRONIC GMBH13 citations72
US5229653AJul 20, 1993
Electronic switch apparatus
IFM ELECTRONIC GMBH19 citations72
US5367198ANov 22, 1994
Proximity detector with error-preventing ambient condition compensation
IFM ELECTRONIC GMBH11 citations66
US5825233AOct 20, 1998
Electronic proximity switching device
IFM ELECTRONIC GMBH7 citations65
US7439638B2Oct 21, 2008
Electronic proximity switching device
IFM ELECTRONIC GMBH3 citations61
US4918326AApr 17, 1990
Electronic switchgear, preferably operating contact-free
IFM ELECTRONIC GMBH3 citations61
US4879474ANov 7, 1989
Contact-free operating electronic switchgear
IFM ELECTRONIC GMBH3 citations61