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Disc changer

一种传感器、电阻器的技术，应用在换盘器领域，达到廉价保护的效果

Inactive Publication Date: 2006-08-02
FUJITSU GENERAL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Therefore, the object of the present invention is to solve the above-mentioned problem when the vibration is applied in the disc device with a built-in disc changer, and to provide a disc changer with a protection device when a vibration is applied to the disc device without adding a new vibration detection sensor. The protection device of the action of the disc changer

Method used

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Experimental program
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Embodiment Construction

[0034] Hereinafter, referring to the accompanying drawings, the embodiments of the present invention will be described in detail according to specific embodiments.

[0035] figure 1 It is a figure which shows the structure of the disc changer 1 to which this invention is applied, and is a figure which shows the state which has not accommodated a disc. The disc changer 1 to which the present invention is applied is provided inside the device main body: a stocker 4 as a disc storage rack capable of accommodating a plurality of discs and capable of being raised and lowered in the device; And the rocker arm 3 that returns the disc to the stocker 4 after regeneration; the drive device 7 of the rocker arm 3; the linear position sensor (not shown) that detects the position of the stocker 4; An elevating mechanism 5 for elevating and elevating the stocker 4 .

[0036] The rocker arm 3 is rotatable by means of a drive device 7 and substantially consists of a frame 30 and a clamping a...

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Abstract

A disc changer has a protector which protects the operation of the disc changer even when an oscillation is applied to the disc changer, without adding a new oscillation sensor to the disc changer. In the disc changer that takes out a desired disc from a stocker with a swing arm and returns the reproduced disc to the stocker, an oscillation sensor monitors an output of a position sensor which detects a position of a member that rises and falls within the disc changer. Based on a variation in the output of the position sensor, the oscillation sensor detects a size of the oscillation applied to the disc changer. When the oscillation is larger than a predetermined value, the swing arm operation of clamping a disc and returning a disc to the stocker is temporarily stopped or is restarted, thereby protecting the disc changer from the oscillation.

Description

[0001] This application claims the benefit of Japanese Patent Application No. 2005-14087 filed on January 21, 2005, the entire contents of which are incorporated by reference. technical field [0002] The present invention relates to a disc changer, and more particularly to a disc changer provided with a protection device for preventing malfunction of disc movement caused by displacement of mechanical components due to external vibrations during disc movement in a disk device. Background technique [0003] In the past, cassette tapes have been the main medium for listening to music in the interior of an automobile, but in recent years, disk media such as CDs (Compact Discs) or MDs (MiniDiscs) have been used instead of such cassettes (hereinafter known as disk) has become mainstream. And, since the disk is thinner than the cassette tape, especially since an optical disk such as a CD is not packed in a case, only a small storage space is required. Therefore, disc changers tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B17/22G11B19/02G01H1/00
CPCG11B17/223G11B33/08G11B17/021G11B17/08G11B17/10
Inventor 藤本文彦古石朋久堀山实
Owner FUJITSU GENERAL LTD