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US 5,471,453 AGranted
Information recording-reproducing apparatus
AssigneeCanon Kabushiki Kaisha
InventorYasuo Suzuki
Life of this patent
Estimating the term…
Abstract
In a separation type optical head which is divided into two portions, i.e., a fixed head portion and a carriage portion and which effects at least one of recording, reproduction and erasing on a disk-like recording medium by a light beam, optical parts constituting the fixed head portion are directly mounted on the surface of a base bed on which is mounted a guide member for supporting the carriage portion for seeking.
Claims5
An information recording-reproducing apparatus for effecting at least one of recording, reproducing and erasing of information on a disk-like recording medium by a light beam, said apparatus comprising:
- a base bed fixed to said apparatus;
- a light source, directly fixed on a surface of said base bed, for emitting the light beam;
- an optical system, directly fixed on the surface of said base bed, for guiding the light beam emitted from said light source to the recording medium;
- a movable unit movable radially of the recording medium and carrying thereon at least an objective lens for applying onto the recording medium the light beam emitted from said light source and passed through said optical system;
- and
- a guide member, fixed on said base bed, for guiding said movable unit radially of the recording medium.
3 more elements
Dependencies are inferred from the claim text.