Optical read/write apparatus
a technology of optical read/write and optical scribbling, which is applied in the direction of instruments, mechanical record carriers, data recording, etc., can solve the problems of increasing power dissipation and heat generation, and reducing the quantity of heat generated. , to achieve the effect of reducing the amount of power dissipation
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embodiment 1
[0047]First of all, an overall arrangement for an optical read / write apparatus as a first embodiment of the present disclosure will be described.
[0048]An optical read / write apparatus as the first embodiment of the present disclosure is an optical data streamer apparatus that uses an optical tape as an optical storage medium. Such an optical data streamer apparatus may be used to back up a huge quantity of data. In order to back up such an enormous quantity of data in a short time with the transfer rate increased, the optical data streamer apparatus includes a lot of optical pickups. It should be noted that the optical read / write apparatus of the present disclosure does not have to be an optical data streamer apparatus but may also be an optical disc apparatus or any other kind of apparatus. In the case of an optical disc apparatus, the optical storage medium is not an optical tape but an optical disc.
[0049]FIG. 1A is a perspective view schematically illustrating a portion of an opti...
embodiment 2
[0095]Hereinafter, an optical read / write apparatus as a second embodiment of the present disclosure will be described.
[0096]FIG. 7A illustrates an exemplary arrangement of optical pickups according to this embodiment. In this embodiment, two optical pickups are housed in the same housing.
[0097]In this embodiment, two objective lenses 3a and 3b are both attached to the same pickup part 60, which is a major difference from the first embodiment described above.
[0098]FIG. 7B is perspective view illustrating a configuration for each pickup part 60 according to this embodiment. In this example, two optical pickups 2 are combined with each other, and this pickup part 60 includes an optical base 20 and two lens actuators 9a and 9b that are fixed on the upper surface of that optical base 20. In other words, in the example illustrated in FIG. 7B, two optical pickups 2 that can drive two objective lenses 3a and 3b independently of each other are integrated together. In FIG. 7B, the edges of th...
embodiment 3
[0104]Hereinafter, an optical read / write apparatus as a third embodiment of the present disclosure will be described.
[0105]FIGS. 8A and 8B illustrate exemplary arrangements of optical pickups according to this embodiment. Specifically, two groups 5a and 5b of optical pickups are illustrated in FIGS. 8A and 8B, respectively. These two groups 5a and 5b of optical pickups are located in two different ranges but are actually the same group of optical pickups.
[0106]In this example, six optical pickups 2, each having a tracking range width Wr, are supposed to be arranged with respect to an optical tape 1 with the overall track range width W. The sum of the ranges on which these six optical pickups can perform read / write operations is calculated by 6×Wr=W / 2, i.e., a half of the overall track range width W of the optical tape 1.
[0107]In the state illustrated in FIG. 8A, the objective lenses 3 of two adjacent optical pickups 2 are arranged every other allocated track range Wr, and six optica...
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Abstract
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