Inventor
KLOPFENSTEIN FRANCOIS
CH19 patents
⚠️ This page may combine multiple inventors who share the name “KLOPFENSTEIN FRANCOIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ETA SA MFT HORLOGERE SUISSE
15 patentsUS8908477B2Dec 9, 2014
Method for authenticating an electronic watch and electronic watch for implementing the method
ETA SA MFT HORLOGERE SUISSE63 citations97
US7372778B2May 13, 2008
Pulsometer worn on wrist and associated control method
ETA SA MFT HORLOGERE SUISSE36 citations90
US7223008B2May 29, 2007
Backlighting device for an information display element of a portable object
ETA SA MFT HORLOGERE SUISSE20 citations90
US7223009B2May 29, 2007
Backlighting device for an information display element of a portable object
ETA SA MFT HORLOGERE SUISSE16 citations82
US6950685B2Sep 27, 2005
Electronic instrument intended to be worn on the wrist and including, in particular, an antenna for receiving and/or transmitting radio-frequency signals
ETA SA MFT HORLOGERE SUISSE14 citations78
US9897977B2Feb 20, 2018
Arrangement of electrodes for a digital display
ETA SA MFT HORLOGERE SUISSE2 citations72
US10295962B2May 21, 2019
Method for testing the rate of a quartz watch
ETA SA MFT HORLOGERE SUISSE2 citations71
US10274899B2Apr 30, 2019
Thermocompensated chronometer circuit
ETA SA MFT HORLOGERE SUISSE2 citations71
US9429915B2Aug 30, 2016
Electronic quartz resonator module provided with shock resistant securing means
ETA SA MFT HORLOGERE SUISSE2 citations62
US11906938B2Feb 20, 2024
Method for permutation of the time display mode of an electronic watch with an analogue display, and the associated watch
ETA SA MFT HORLOGERE SUISSE0 citations51
US11874633B2Jan 16, 2024
Method for adjusting the operating frequency of an electronic watch
ETA SA MFT HORLOGERE SUISSE0 citations51
US9864343B2Jan 9, 2018
Support element for a timepiece sensor
ETA SA MFT HORLOGERE SUISSE1 citations51
US11537087B2Dec 27, 2022
Method for adjusting the mean frequency of a time base incorporated in an electronic watch
ETA SA MFT HORLOGERE SUISSE0 citations47
US9664534B2May 30, 2017
Electromechanical apparatus comprising a capacitive device for detection of the angular position of a wheel set, and method for detection of the angular position of a wheel set
ETA SA MFT HORLOGERE SUISSE1 citations46
US10141873B2Nov 27, 2018
Shock detector circuit and method for operation thereof
ETA SA MFT HORLOGERE SUISSE0 citations38