JPH05274837A - Disk adaptor - Google Patents

Abstract

PURPOSE:To handle a disk unit in a recording/reproducing device similar to the one for handling a disk cartridge. CONSTITUTION:A disk tray 31 is capable of being inserted into a recording/ reproducing device, a first recessed part 32 is provided on the disk tray 31 for housing a ROM disk 5, and a third recessed part 40 is provided, as well, as a non-detection part corresponding to the detection member 39 of the recording/reproducing device. Thus, when the disk tray 31 is inserted into the recording/reproducing device, the third recessed part 40 of the disk tray 31 is detected and that the disk tray 31 is the one for housing the disk unit is identified.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk adapter used when a single disk is handled by a recording / reproducing apparatus that handles a disk cartridge.

[0002]

2. Description of the Related Art Generally, a disc serving as an information recording medium is a single reproduction-only disc (hereinafter referred to as "RO").
"M disc". ) Or a recordable disc incorporated in a cartridge (hereinafter referred to as “MO disc”).

Conventionally, a disk device as shown in FIGS. 2 and 3 is used for a disk of this type, that is, a ROM disk and an MO disk.

Of these disk devices, a disk device corresponding to a ROM disk will be described first with reference to FIG. In FIG. 1, reference numeral 1 designates a casing of a read-only disc device having an opening 3 for inserting and removing the disc tray 2, and 4 movably accommodated in the casing 1.
An optical pickup device for reading an information signal on an M disc 5 (diameter 30 cm), 6 is provided in front of the optical pickup device 4 and has an output shaft 7 housed in the casing 1 and protruding upward for disc rotation. The spindle motor 8 is a turntable which is fixed to the output shaft 7 of the spindle motor 6 and on which the ROM disk 5 can be mounted. In addition, a chucking mechanism (not shown) that holds the ROM disk 5 together with the turntable 8 is housed in the housing 1. Incidentally, reference numeral A in the drawing indicates a movement locus of the disc tray 2.

In the disk device having such a structure, the ROM disk 5 is reproduced by housing the ROM disk 5 in the disk tray 2 and inserting it into the housing 1. After this, ROM disk 5
Is held by a turntable 8 and a chucking mechanism (not shown), is rotated at a high speed by a spindle motor 6, and an optical pickup device 4 reads an information signal.

Next, a disk device compatible with MO disks will be described with reference to FIG. In the figure, reference numeral 11 indicates a housing of a recording / reproducing disk device having an opening 13 for inserting and removing the disk tray 12, and 14 indicates an MO disk 16 in a cartridge 15 which is movably accommodated in the housing 11. The optical pickup device for reading the information signal of 17 is a spindle motor for disc rotation, which is provided in front of the optical pickup device 14 and has an output shaft 18 which is housed in the housing 11 and protrudes upward. 19 is the spindle. The turntable is fixed to the output shaft 18 of the motor 17 and can mount the MO disk 16 in the cartridge 15. In addition, in the housing 11, an MO disk 16 is provided together with the turntable 19.
A chucking mechanism (not shown) for holding is stored. Incidentally, reference numeral B in the drawing indicates the movement trajectory of the disc tray 12.

In the disk device having such a structure, the MO disk 16 in the cartridge 15 is reproduced by housing the cartridge 15 in the disk tray 12 and inserting it in the housing 11. After that, the MO disk 16 in the cartridge 15 is held by the turntable 19 and a chucking mechanism (not shown), is rotated at a high speed by the spindle motor 17, and the information signal is read by the optical pickup device 14.

By the way, ROM discs have been on the market for a long time compared to MO discs or WO discs for both audio and video, and there are many products, but if MO discs and WO discs become popular in the future, these discs will be used. It is desired that a recording / reproducing apparatus for recording / reproducing a disk (disk cartridge) can also reproduce a ROM disk.

For this reason, conventionally, as shown in FIG. 4, a disk device in which a disk tray 21 for accommodating a single disk (ROM disk 5) and a disk cartridge (MO disk 16) in the front-rear direction is arranged, or FIG.
Disc tray 2 for storing individual discs as shown in
A disk device is used in which a disk tray 23 for accommodating a disk cartridge 2 and a disk cartridge is vertically arranged. In the figure, reference numerals 24 and 25 are disk device housings, 26 is an optical pickup device, 27 is a spindle motor, and 28 is a turntable.

[0010]

However, in the conventional disk device, each of the housings 24 and 25 has a space capable of accommodating a single disk and a disk cartridge all at once. Not only becomes large and heavy, but also the entire structure becomes complicated.

Therefore, there has been a demand for a disk adapter that can handle a single disk in a recording / reproducing apparatus of the same type as a recording / reproducing apparatus that handles a disk cartridge.

The present invention has been made in order to meet such a demand, and it is possible to discriminate that the disc tray is a disc tray for accommodating a single disc by inserting the disc cartridge into the recording / reproducing apparatus, and handle the disc cartridge accordingly. The present invention provides a disc adapter that can handle a single disc with a recording / reproducing device of the same type as the recording / reproducing device.

[0013]

A disk adapter according to the present invention is a disk tray which can be inserted into and removed from a recording / reproducing apparatus, and in which a recess for accommodating a reproduction-only disk is provided. A detected part corresponding to the detection part of the recording / reproducing apparatus is provided.

[0014]

According to the present invention, when the disc tray is inserted into the recording / reproducing apparatus, the detection section of the recording / reproducing apparatus detects the detected portion of the disc tray.

[0015]

Embodiments of the present invention will be described in detail below with reference to embodiments shown in the drawings.

FIG. 1 is an exploded perspective view showing a disk adapter according to the present invention. In the description of the embodiment, the same members as those used in the description of the conventional example are designated by the same reference numerals.

In FIG. 1, reference numeral 31 designates a disc tray for storing a single disc (reproduction only) which can be inserted into and removed from a recording / reproducing device (not shown), and has a diameter of 30 cm on one side. The first recess 32 having a substantially circular shape in plan view capable of accommodating the ROM disk 5 and the second recesses 33 to 3 for opening and closing the disk, which are opened in the first recess 32.
6 is provided, and the external dimensions are the same as the cartridge 15 described above.
It is set to the same size as the external dimensions of.

The disc tray 31 is provided with a first opening window 37 for moving the turntable 28 forward and backward and a second opening window 38 for moving the optical pickup device 26 forward and backward.

On one side of the insertion-side end edge of the disc tray 31, a detection member 39 of the recording / reproducing apparatus (not shown) is inserted as a third portion as a detection target portion.
A recess 40 is provided.

Further, on both side edges of the disc tray 31 on the side opposite to the insertion side, there are provided fourth recesses 41 and 42 into / from which a claw member (not shown) of an automatic insertion machine (not shown) can be inserted / removed. A guide groove 43 for inserting a disc, which extends in the disc inserting / removing direction, is provided in front of one of the concave portions 41, 42.

Reference numerals 44 to 47 are the disc tray 3
Positioning holes for the recording / reproducing device (not shown) are provided at the four corners of No. 1.

Reference numerals 48 to 51 denote first pads having a circular shape in a plan view, which are arranged in parallel along the circumference of the opening of the first opening window 37 in the circumferential direction.

Numerals 52 to 55 are also second pads having a circular shape in plan view, which are the first concave portion 32 and the second concave portions 33 to 3.
6 is provided on the bottom surface.

Reference numerals X ₁ and X ₂ in the figure denote the disc tray 31 for the recording / reproducing device (not shown).
Shows the insertion direction and the withdrawal direction, respectively. Further, S ₁ and S ₂ respectively indicate a switch ON movement direction and a switch OFF movement direction of the contact 39a of the detection member 39.

In the disk adapter thus constructed, when the disk tray 31 in which the ROM disk 5 is housed in the first recess 32 in advance is inserted into the recording / reproducing apparatus (not shown), the recording / reproducing apparatus detects it. The member 39 detects the third recess 40 of the disc tray 31. At this time, since the detection member 39 faces the inside of the third recess 40 and is turned off, the disc tray 31
Is a disc tray for storing a single disc.

On the other hand, when the cartridge 15 is inserted into the recording / reproducing apparatus (not shown), the detecting member 39 on the recording / reproducing apparatus side is pressed by the cartridge 15 to turn on the switch, and the MO disk 16 is housed therein. It is possible to identify that the cartridge 15 is

In this embodiment, the diameter is 30 cm.
Although the disc tray 31 for accommodating the ROM disc 5 having the disc diameter of 5 is shown, the present invention is not limited to this, and a disc tray for accommodating the ROM discs having other disc diameters can be used in the embodiment. Has the same effect as.

In addition, the present invention is not limited to the above-described embodiments, but various effective modifications and changes can be made based on the technical idea of the present invention.

[0029]

As described above, according to the present invention, a disc tray that can be inserted into and removed from a recording / reproducing apparatus is provided with a recess for accommodating a single disc for reproduction, and recording is performed. Since the detected part corresponding to the detection part of the reproducing device is provided, when the disc tray is inserted into the recording / reproducing device, the detecting part of the recording / reproducing device detects the detected part of the disc tray. ..

Therefore, it is possible to identify that the disc tray is a disc tray for storing a single disc by inserting the disc into the recording / reproducing device. Can also handle.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a disk adapter according to the present invention.

FIG. 2 is a cross-sectional view showing a conventional single-type reproduction-only disc device.

FIG. 3 is a sectional view showing a conventional single-type recording / reproducing disk device.

FIG. 4 is a cross-sectional view showing a conventional dual-type first recording / reproducing disk device.

FIG. 5 is a sectional view showing a conventional dual type recording / reproducing disk device.

[Explanation of Codes] 5 ... ROM disc 31 ... Disc tray 32 ... First recesses 33 to 36 ... Second recess 39 ... Detection member 40 ... Third recess

Claims (1)

[Claims] 1. A disc tray which can be inserted into and removed from a recording / reproducing apparatus, wherein the disc tray is provided with a recess for accommodating a reproduction-only disc, and a detected object corresponding to a detecting section of the recording / reproducing apparatus. A disk adapter characterized by having a section.