Objective lens, optical pickup device, recorder and reproducer.
物镜，光学拾取器，记录器和重现设备。
Tested and verified in practical optical pickup head, this lens canful fill the requirement of digital versatile disk pickup systems.
经过实际应用，证明这种结构完全能够满足高密度光盘光学头的技术要求。
The cross interference in motions of optical pickup actuator is the key factor to affect the dynamic characteristics and quality of optical spot.
力矩器多维运动之间的串扰是影响其动态特性和光斑质量的关键因素。
The working principle of optical pickup and the measuring principle of rotation shaft torque using optical pickup and photoelectric method are introduced in this paper.
本文介绍了激光读出头的工作原理，提出了一种采用激光读出头、运用光电方式对转轴扭矩进行测量的原理。
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。
The model of voice coil motor and optical pickup unit are analyzed, the model parameters are tested, the model of DVD focus servo system is built and the simulation is carried out.
分析了DVD聚焦伺服系统中音圈电机和光头拾取器的数学模型，通过实验测定其模型参数，完成了DVD聚焦伺服系统的建模，并进行了仿真。
An antenna coil of a reader or writer apparatus for communicating with the IC chip is arranged on the side of an optical pickup module which faces a rotary axis of the optical disc.
用于与IC芯片进行通信的读取器或记录器装置的天线线圈相对于光盘的旋转轴设置在光头模块的相对侧。
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。
We apply CCD image pickup, information collecting, image processing, optical projection and display to measure the distribution parameters of IR smog and laser smog.
应用CCD摄像和光学投影放大技术，配合数据采集和图像处理，对烟雾的宏观分布实施现场检测和监视。
An optical disk apparatus records information by irradiating a laser beam from a pickup onto an optical disk.
一种光盘装置，通过将来自拾取器的激光束照射在光盘上记录信息。
An optical disk apparatus records information by irradiating a laser beam from a pickup onto an optical disk.
一种光盘装置，通过将来自拾取器的激光束照射在光盘上记录信息。
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