Inventor
WIGET FRIDOLIN
CH18 patents
⚠️ This page may combine multiple inventors who share the name “WIGET FRIDOLIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASULAB SA
12 patentsUS5539289AJul 23, 1996
Ultrasonic detection device, notably for an automatically controlled windscreen cleaning system
ASULAB SA23 citations92
US5532602AJul 2, 1996
Diagnostic circuit and method for amperometrically determining the current passing through a sensor
ASULAB SA23 citations92
US5517469AMay 14, 1996
Timepiece driven by a source of mechanical energy and regulated by an electric circuit
ASULAB SA39 citations92
US4968930ANov 6, 1990
Display device for measuring instruments
ASULAB SA31 citations89
US5920167AJul 6, 1999
Ultrasound detection device in particular for an automatically controlled windscreen cleaning system
ASULAB SA12 citations73
US5361013ANov 1, 1994
Device comprising a piezoelectric transducer
ASULAB SA16 citations73
US5267067ANov 30, 1993
Frequency controllable optical device
ASULAB SA11 citations73
US5123035AJun 16, 1992
Processing circuit for signals supplied by two transducers measuring a physical parameter in the differential mode
ASULAB SA8 citations71
USRE36733EJun 13, 2000
Timepiece driven by a source of mechanical energy and regulated by an electric circuit
ASULAB SA2 citations62
US4960000AOct 2, 1990
Device for measuring a physical quantity
ASULAB SA2 citations62
US5834876ANov 10, 1998
Method and circuit for exciting and monitoring a piezoelectric motor in stepping mode
ASULAB SA2 citations61
US6563422B1May 13, 2003
Non acoustic alarm device
ASULAB SA6 citations56
EBAUCHES SA
5 patentsUS4382692AMay 10, 1983
Analog-display electronic timepiece comprising a divider with an adjustable division factor
EBAUCHES SA12 citations73
US4367959AJan 11, 1983
Pseudo-analog display device
EBAUCHES SA8 citations73
US4155218AMay 22, 1979
Electronic watch
EBAUCHES SA10 citations73
US4292836AOct 6, 1981
Apparatus for measuring the rate of an analog-display electronic timepiece
EBAUCHES SA1 citations51
US4084404AApr 18, 1978
Electronic watch
EBAUCHES SA1 citations51