Movable scanning unit for an optical recording or playback appar

Details Movable scanning unit for an optical recording or playback appar Movable scanning unit for an optical recording or playback appar

1984-01-13

1985-12-10

Punter, William H.

350255, G02B 704

Patent

active

045575649

ABSTRACT:
An electro-optical device for reading an information disc comprises an optical system which is movable relative to the disc by at least one electro-magnetic actuator. The optical system is supported by elongated members whose length is great relative to their thickness and which are pretensioned in the longitudinal direction by magnets which cooperate with each other via an air gap, enabling the use of very flexible supporting elements, for example guys which have a low resistance to bending and a very low mass.

REFERENCES:
patent: 4449213 (1984-05-01), Noborimoto et al.

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