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Archive | 1989

APPARATUS FOR REPRODUCING INFORMATION FROM AN OPTICALLY READABLE RECORD CARRIER

Martinus Petrus Maria Bierhoff


Archive | 1978

Optical videodisc read unit with tracking and focussing wobblers

Wilhelm Josef Kleuters; Gerard E. van Rosmalen; Martinus Petrus Maria Bierhoff; Kornelis A. Schouhamer Immink


Archive | 1977

Objective mount for video disc player

Wilhelm Josef Kleuters; Gerard E. van Rosmalen; Martinus Petrus Maria Bierhoff; Kornelis A. Schouhamer Immink


Archive | 1980

Optical scanning apparatus with focussing system

Martinus Petrus Maria Bierhoff; Kornelis A. Schouhamer Immink


Archive | 1989

Record carrier scanning apparatus with feedback control system for controlling scanning point position and velocity

Martinus Petrus Maria Bierhoff


Archive | 1989

Beam focus control system for optical record carrier scanning apparatus

Martinus Petrus Maria Bierhoff; Job F. P. van Mil


Archive | 1984

Apparatus for optically scanning a disc-shaped record carrier

Martinus Petrus Maria Bierhoff


Archive | 1985

Apparatus for rapid reproduction of information from a record carrier

Martinus Petrus Maria Bierhoff; Karel M. L. De Decker


Archive | 1985

Digital/analog converter having a switchable reference current

Franciscus Adrianus Cornelis Maria Schoofs; Martinus Petrus Maria Bierhoff; Job F. P. van Mil; Albert H. Slomp


Archive | 1978

Optical read unit for reading a moving information carrier, in particular for reading a video disc

Wilhelm Josef Kleuters; Rosmalen Gerard Eduard Van; Martinus Petrus Maria Bierhoff; Kornelis A. Schouhamer Immink

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