Koninklijke Philips Corporation N.v.

Stefan Schwan

Holger Joachim Moench

Alexander Marc Van Der Lee

Mark Carpaij

Wolfgang Schiene

Marcel Franz Christian Schemmann

Heinrich Von Busch

Marc Maria Alex Bleukx

Meng Han

A sensor module () for measuring the distance to a target and/or the velocity of the target (), the sensor module () comprising at least one laser source (), at least one detector () being adapted to detect modulated laser light and at least one control element the control element () being adapted to vary the focus point of the laser light and/or the intensity of the laser light and/or the direction of the laser light. The control of the laser light emitted by the laser source () either by active optical devices as variable focus lenses or controllable attenuators or passive optical elements in combination with arrays of laser sources () and detectors () enable flexible and robust sensor modules.

Laser sensor system based on self-mixing interference

An electronic circuit topology () for driving a predominantly capacitive load () with a primary circuit with several components, a secondary circuit with a predominantly capacitive load (), and a transformer device () with a primary side (TX Ia) and a secondary side (TX Ib), connecting the primary circuit with the secondary circuit, the primary circuit components comprise: a source device (), a drain device (), and a switching device (), the transformer device () is for transforming an input voltage-current-signal to a suitable output voltage-current signal for supplying the predominantly capacitive load (), wherein the source device () is in serial connection with the transformer device (), the drain device (), and the switching device (), whereby the transformer device () comprises means for functioning as a resonant tank circuit, as a transformer device () in forward mode, and as a transformer device () in flyback mode, so that an single-ended forward-flyback circuit is achieved.

High-efficiency single-ended forward-flyback electronic driver for barrier discharge lamps

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Herzogenrath, Germany

Stefan Schwan