Apparatus and method for providing longitudinal position marks on an optical tape
AssigneeOracle International Corporation
InventorScott D. Wilson
Life of this patent
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Abstract
In at least one embodiment, an apparatus for writing data and location marks on an optical tape is provided. The apparatus comprises an optical system that includes at least one laser source for transmitting a laser beam therefrom. The optical system further includes a plurality of lenses for receiving the laser beam and for directing the laser beam onto at least one guard band on the optical tape to write the location marks thereon. The location marks being indicative of a longitudinal position of the data that is capable of being stored on a writeable section of the optical tape.
Claims20
An apparatus for storing data, the apparatus comprising:
- an optical tape including:
- a writeable section for storing data thereto;
- and
- at least one guard band located at an outer periphery of the writeable section for storing a plurality of location marks, each location mark being arranged to indicate a longitudinal position of the optical tape.
An apparatus for storing data, the apparatus comprising:
- an optical tape including:
- a writeable section;
- and
- at least one guard band located at an outer periphery of the writeable section for storing a plurality of location marks, each location mark being arranged to indicate one of an unwritten area and a written area on the optical tape.
An apparatus for storing data, the apparatus comprising:
- an optical tape including:
- a writeable section;
- a first guard band located on a first side of the writeable section for storing a plurality of first location marks thereon;
- and
- a second guard band located on a second side of the writeable section for storing a plurality of second location marks thereon, each first location mark and second location mark being arranged to indicate a longitudinal position of the optical tape.
Dependencies are inferred from the claim text.