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Disk cartridge device

A technology of magnetic disk cartridges and magnetic disks, applied in carrier storage devices, instruments, flat record carrier containers, etc., can solve the problems of disengagement and unusable positioning pins.

Inactive Publication Date: 2005-06-08
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, since the positioning pins on the disk cartridge with the smaller disk diameter cannot be used when the disk cartridge with the larger disk diameter is inserted, the disk cartridge with the larger disk diameter will come out of the positioning hole

Method used

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Embodiment Construction

[0037] The disk cartridge device according to the present invention will be described below with reference to the accompanying drawings, with two disk cartridges having different disk diameters and sizes.

[0038] figure 1 is a perspective view of a disk cartridge (hereinafter referred to as a first disk cartridge) with a larger disk diameter when viewed from above in a shutter-opened state, figure 2 is the perspective view of the same disk case with the valve open when looking up, image 3 is a perspective view of a disc cartridge having a smaller disc diameter (hereinafter referred to as a second disc cartridge) in a shutter-open state when viewed from above, figure 2 It is a perspective view of the same disk case with the valve open when looking up.

[0039] Numeral 1 represents the entirety of the first cartridge. The cassette case 2 is a joining device formed by high-frequency welding of the connection surfaces of the upper half 3 and the lower half 4 . The magnetic...

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PUM

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Abstract

A disk cartridge device capable of selectively positioning and mounting a plurality of kinds of disk cartridges having different sizes onto a recording and reproducing device without troubles. First and second (12) disk cartridges including disks having different disk diameters each stored in cartridge housings having different sizes, a cassette compartment (25) for selectively mounting the first and second disk cartridges, a pair of positioning pins (28, 29) having bases (26, 27) for determining the height for positioning the first disk cartridge onto the cassette compartment, a pair of positioning pins (32, 33) having bases (30, 31) for determining the height for positioning the second disk cartridge (12), and pairs of positioning holes (20, 21) and on one surface of the first and second disk cartridges, respectively, are provided, wherein the position of the positioning holes (20, 21) of the second disk cartridge (12) is disposed outside the disk (5) circumference of the first disk cartridge. <IMAGE>

Description

technical field [0001] The present invention relates to a magnetic disk cartridge device for recording an information signal on a signal recording layer or restoring a signal recorded on the recording layer by emitting a light beam onto the signal recording layer such as an optical disc. More particularly, the present invention relates to a so-called compatible system in which a plurality of disk cartridges including disks having different disk diameters are selectively mounted on a recording and reproducing apparatus, and these disk cartridges having different sizes can be Positioning and holding are easily performed by positioning pins in the recording and reproducing apparatus, wherein the disks are respectively stored in cartridge housings having different sizes. Background technique [0002] Generally, as a recording medium for recording various information such as audio information and video information, it has been proposed to use an optical disc to restore or record ...

Claims

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Application Information

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IPC IPC(8): G11B17/046G11B17/02G11B17/04G11B17/043
CPCG11B17/054G11B17/0545G11B17/02
Inventor 真田洋太郎楠井嘉雄根津直大
Owner SONY CORP
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