Optical head device and method of adjusting characteristic of optical head device
AssigneeNidec Sankyo Corporation
InventorsYuuichi TAKEI, Katsuyoshi MIYASAKA
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Abstract
In an optical head device having a laser light source, an output adjusting member for adjusting the output of laser light emitted from the laser light source and a frame for supporting the laser light source and the output adjusting member, the output adjusting member has an adjusting circuit board for adjusting an electrical resistance value, and a plurality of circuits on which chip resistors and short lands are connected to one another in parallel are connected in series.
Claims7
An optical head device comprising a laser light source, an output adjusting member for adjusting an output of laser light emitted from the laser light source and a frame for supporting the laser light source and the output adjusting member, wherein the output adjusting member has a circuit board on which a plurality of circuits each comprising short lands and chip resistors which are connected in parallel are connected to one another in series.
Dependencies are inferred from the claim text.