Optical information recording apparatus
AssigneeOlympus Optical Co., Ltd.
InventorYuichiro Akatsuka
Life of this patent
Estimating the term…
Abstract
An optical information recording apparatus, in which an information recording light bream emitted from a laser diode is divided into a plurality of light beams and the light intensities of the divided light beams are modulated by driving liquid-crystal cells formed in a control panel so as to record optical information on a plurality of data tracks and in a plurality of data pits on each of the plurality of data tracks simultaneously. Therefore, according to the present invention, it is possible to make the information recording speed increase without making the apparatus large in size and expensive in cost.
Claims13
An optical information recording apparatus comprising:
- a light source for emitting a main light beam for recording information on an optical information recording medium;
- a light beam dividing means for dividing said main light beam into a plurality of sub-light beams in a first direction and a second direction, said first direction corresponding to a tracking direction which is perpendicular to a track extended direction on the optical information recording medium, said second direction coinciding with said track extended direction, so that information can be recorded on a plurality of data tracks formed on said optical information recording medium and in a plurality of data pits on each of said plurality of data tracks at the same time;
- a modulation means for selectively modulating light intensities of said plurality of sub-light beams in accordance with information to be recorded on the optical information recording medium;
- and
- a light incident means for making said plurality of sub-light beams incident upon said optical information recording medium in a focus condition.
Dependencies are inferred from the claim text.