Title:
OPTICAL PICKUP
Document Type and Number:
Japanese Patent JPH0991744
Kind Code:
A
Abstract:
To electrically easily perform alignment adjustment and also to automate this alignment adjustment.
A laser unit 1 housing a laser diode is energized by springs 16-18 and is also pressed to be fitted via piezoelectric elements 13-15 to a fitting part of a pickup main body 8. Automation of the alignmental adjustment is feasible by adjusting voltages VR1-VR3 to be impressed upon electrodes of these piezoelectric elements 13-15.
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| WO/2002/083806 | OPTICAL ADHESIVE COMPOSITION AND OPTICAL APPARATUS |
Inventors:
HOUGIYOKU TSUKURU
Application Number:
JP24647295A
Publication Date:
April 04, 1997
Filing Date:
September 25, 1995
Export Citation:
Assignee:
SHARP KK
International Classes:
G02B7/00; G02B27/00; G11B7/08; G11B7/135; (IPC1-7): G11B7/135; G02B7/00; G02B27/00; G11B7/08
Attorney, Agent or Firm:
Shusaku Yamamoto