Optical head feeder
A technology of feeding device and optical head, which is applied to the configuration/installation of the head, driving/moving the recording head, etc., which can solve problems such as difficulty and heavy weight of the optical head, and achieve the effect of increasing the rotation load
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[0024] figure 1 It is a perspective view showing the whole of a disk drive unit for a digital video disk (DVD) with the optical head feeding device of the present invention mounted thereon facing upward. Such as figure 1 As shown, guide members (guide shafts) 18a, 18b are provided on the base plate S, and they are parallel to each other. The optical head unit H in which the optical head 12 is mounted is supported on the optical head base 14 between the guide members 18a, 18b. In the optical head 12, a light emitting element such as a semiconductor laser, an objective lens 12a, an element for receiving light, and other optical components are installed. The objective lens 12a collects the light emitted from the light-emitting element on the recording surface of the disc D, and the light-receiving element receives and detects the light reflected from the disc D.
[0025] Bearing sleeves 15a, 16a are embedded in bearing portions 15, 16 integrally made on one side of the optic...
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