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Optical element holder

A technology for optical components and holding devices, which is applied in beam guiding devices, optical recording heads, etc., and can solve problems such as damage to optical pickup devices, end of life, and inability to disassemble

Inactive Publication Date: 2006-06-07
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With this technique the optic is permanently fixed to the base and cannot be removed
However, the optical pick-up device will be damaged by the influence of the external environment during production, transportation and use.
Moreover, the service life of some optical components is relatively short, such as lasers, whose optical power will gradually weaken over time, so the disc reading performance of the optical disc recording / reproducing device is also declining. When the optical power drops to a certain level, the optical disc The recording / reproducing device will not work because it cannot recognize the disc signal, and its life will end

Method used

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  • Optical element holder
  • Optical element holder
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Examples

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Embodiment Construction

[0012] see figure 1 with figure 2 In this embodiment, the laser holding device (not shown) for detachably fixing the laser 1 on the optical base 2 of the optical pickup is taken as an example to illustrate the optical element holding device of the present invention, which is also applicable to any other optical elements. The optical base 2 defines a circular opening 20 at a predetermined position to accommodate part of the laser 1 . Three installation holes 22, 24, 26 are provided around the circular opening 20, and the installation holes 22, 24, 26 are arranged at a certain angle interval with each other. The distance between the installation holes 24 and 26 is equal.

[0013] Please see also image 3 and Figure 4 , the laser holding device includes a carrying device 30 and an adjusting device (not shown). The carrying device 30 is used for accommodating and fixing the laser 1 , and includes a receiving block 32 and a mounting base 34 . The receiving block 32 has uppe...

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Abstract

The optical element holder is used to mount an optical element detachably onto an optical mount. The optical element holder includes one bearing device and one regulating device, the bearing device is set oppositely to the optical mount and possesses some optical element holding space, and the regulating device is connected detachably to the optical mount and the bearing device and includes one position regulating element and one rack. The bearing device is fixed onto the rack through the position regulating element and may be shifted in the rack plane.

Description

【Technical field】 [0001] The present invention relates to an optical element holding device, in particular to an optical element holding device for detachably mounting and fixing an optical element. 【Background technique】 [0002] As an information storage unit, the optical disc has the characteristics of large storage capacity, low cost, and portability. Therefore, with the rapid development of the information industry, the optical disc has become the main information storage unit and is widely used in various fields such as work and life. . As an optical disc recording / reproducing device, an optical drive generally includes an optical disc transmission mechanism, a spindle motor, and an optical pick-up device. The optical disk transmission mechanism is used for transmitting the optical disk, which transports the optical disk to the spindle motor from the outside, or ejects the optical disk from the main spindle motor. The spindle motor is used to drive the optical disc t...

Claims

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Application Information

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IPC IPC(8): G11B7/135
Inventor 邱文赐
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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