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5621717 Reading optical disks having substrates with diverse axial thicknesses April, ... This means, for two different types of optical discs with different substrate thicknesses, an optical pickup mounted with two objective lens suitable to the respective different types of optical discs must be prepared.
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www.freepatentsonline.com/5856965.html
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an optical disk drive apparatus having data writing and data reading functions to and from different kinds of optical disks; ... To commonly drive the various optical disks, a multi-drive-type disk apparatus has recently been developed in order to write and read information to and from each of the various types of optical disks.
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www.freepatentsonline.com/6917573.html
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The different types of optical disks use different materials and methods to absorb and reflect the light. ... The materials used for the data (recording) and metal (reflecting) layers are different for different kinds of optical disks.
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www.jegsworks.com/Lessons/lesson6/lesson6-9.htm
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Therefore, the optical head and the magneto-optical disk storage having the optical head is applicable to both p-polarized light type and s-polarized light type magneto-optical disks. ... Thus, according to the present invention, just one optical head can handle both types of magneto-optical disks.
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www.patentstorm.us/patents/5237549.html
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An optical pickup apparatus comprises a first semiconductor laser, a first beam splitter which partially reflects or transmits a laser beam generated by the first semiconductor laser in a given direction, a second semiconductor laser which emits a laser beam having a different wave length from the laser beam ...
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www.patentgenius.com/patent/6125091.html
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Disclosed is an optical system for utilizing the optical efficiency with the mechanism for two different standard types of optical disks. ... (12) of the actuator which can focus and track the disk. These lenses (5,6) can be utilized to different optical types of optical disks, such as the difference in the thickness of...
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www.priorartdatabase.com/IPCOM/000117901/
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When the optical disk of low recording density is reproduced, information is reproduced with a beam. Thus, two types of optical disks can be reproduced with a simple structure in a compatible way. ... This embodiment solves the above problem of time difference correction in a different way. Time differences between the...
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freepatentsonline.com/7057994.html
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The laser beam reads the pits and the data can be accessed. There are three basic types of optical disks: ... A CD-ROM drive may be connected to the computer in several different ways depending on the type of interface, such as:
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www.selfseo.com/story-18894.php
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Optical disks can store much more data -- up to 6 gigabytes (6 billion bytes) -- than most portable magnetic media, such as floppies. There are three basic types of optical disks: ... These three technologies are not compatible with one another; each requires a different type of disk drive and disk. Even within one...
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www.webopedia.com/TERM/O/optical_disk.html
www.webopedia.com/TERM/O/optical_disk.html
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