Sonia Marrec

Method and device for directing an incident optical beam to a track of information on a dynamic medium

Servo system and method to servo a beam incident on a moving data carrier in particular a digital disc

Process and device for controlling an incident optical beam for reading a track of information on a dynamic medium

Method and device for controlling an optical beam incident on a movable data carrier track, in particular a digital disk with a high rotation speed

Device for calculating the mutual phase shift of two sampled incident signals

Electronic device for calculation of a time slot between successive transitions of a failure signal

Electronic device for calculating the time interval between successive transitions of an incident signal

Elektronische Vorrichtung zur Berechnung der gegenseitigen Phasenabweichung zwischen zwei abgetasteten Fehlersignalen

Verfahren und Vorrichtung zur Lageregelung eines auf einen Datenträger projizierten optischen Strahles, insbesondere auf eine digitale Platte Method and device for position control of an optical beam projected onto a disk, and in particular a digital plate

Electronic device for mutual phase-shift calculation of two sampled failure-signals