Objective lens, optical pickup device, recorder and reproducer.
物镜，光学拾取器，记录器和重现设备。
Recording method, recording device, reproduction method, reproduction device, and image pickup device.
记录方法，记录设备，再现方法，再现设备和图像拾取设备。
The invention relates to a voice monitoring method, in particular to a voice monitor in the case of long distance and unavailable arrangement of a voice pickup device.
本发明涉及一种语音监听方法，特别是指在远距离并无法在目标处放置拾音装置的语音监听。
A hybrid integrated optical pickup device was designed and prepared through optical design and chip design. It consists of micro lens, photo detectors and CMOS integrated circuits.
通过混合集成型结构光学拾音器的光学设计和芯片设计，制作了包含微光学棱镜、光电探测器和信号放大电路的混合集成型光学拾音器。
An image pickup apparatus is provided that is capable of obtaining a correction value effective for horizontal noise correction, while suppressing increase in chip area of an image pickup device.
提供了一种能够获得对于水平噪声校正有效的校正值并同时抑制摄像装置的芯片面积增大的摄像设备。
Light pickup lens, light emitting element assembly, surface light source device, and color liquid crystal display unit assembly.
光拾取透镜，发光元件，面光源装置和彩色液晶显示单元。
Studying the theory of optical pickup head unit (OPU) and how to pickup the signal on the disk. Based on these theories, it analyse the structure of the focusing and tracking device.
研究光学拾取头的基本原理和光盘信号拾取原理，简要分析了实际的光学头聚焦伺服和循迹伺服的机械结构。
Studying the theory of optical pickup head unit (OPU) and how to pickup the signal on the disk. Based on these theories, it analyse the structure of the focusing and tracking device.
研究光学拾取头的基本原理和光盘信号拾取原理，简要分析了实际的光学头聚焦伺服和循迹伺服的机械结构。
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