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Inventor

David Ruffieux

Inventor
Lugnorre, CH

Overview

13→
Patents
2004–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses33%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner17%
H03KPulse technique17%
G04GElectronic time-pieces8%
G04FTime-interval measuring4%
G05FSystems for regulating electric or magnetic variables4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
H03HImpedance networks, e.g. resonant circuits4%
H03JTuning resonant circuits4%
H04BTransmission4%
PatentTitleYear
11,025,232Electronic device202111,012,067Compensation device for compensating PVT variations of an analog and/or digital circuit20218,922,283'Wristwatch with atomic oscillator'20148,901,983'Temperature compensated timing signal generator'20148,896,359'Temperature compensated timing signal generator'20148,615,202'Frequency synthesizer'20138,264,292'Device and method for compensating for a resonator'20128,098,002'Silicon resonator of the tuning-fork type'20128,040,190'Phase-locked loop'20117,339,854'Clock generator'20086,956,443'Differential oscillator circuit including an electro-mechanical resonator'20056,943,637'Voltage controlled oscillator circuit for a low power electronic device'20056,696,899'Differential oscillator circuit including an electro-mechanical resonator'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2013Patents assigned to SUISSE ELECTRONIQUE MICROTECH (8)· patent assignee history
2004–2005Based in Belfaux, CH· patent location history
2008–2014Based in Lugnorre, CH· patent location history
2012–2014Patents assigned to RUFFIEUX DAVID (4)· patent assignee history
2012Patents assigned to BABOROWSKI JACEK (1)· patent assignee history
2014Patents assigned to MICRO CRYSTAL AG (2)· patent assignee history
2021Patents assigned to CSEM CENTRE SUISSE DELECTRONIQUE ET DE MICROTECHNIQUE SA—RECHERCHE ET DEV (2)· patent assignee history
2021Based in Les Agettes, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUISSE ELECTRONIQUE MICROTECH82004–2013
RUFFIEUX DAVIDself42012–2014
CSEM CENTRE SUISSE DELECTRONIQUE ET DE MICROTECHNIQUE SA—RECHERCHE ET DEV22021
MICRO CRYSTAL AG22014
BABOROWSKI JACEK12012
Locations
LocationPatentsSpan
Lugnorre, CH82008–2014
Belfaux, CH32004–2005
Les Agettes, CH22021