JP2000011629A - Record playback apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent dust from entering through a panel opening by bringing into contact a cover composed of a plurality of parts turnable in joints to different planes between a first and second states of a cartridge being inserted and ejected. SOLUTION: When a disc cartridge 3 has been inserted, a cover 6a contacts a plane B of a protrusion 4, and when the disc cartridge 3 is ejected, it moves in a direction E toward an opening of the cover, the end face of the disc cartridge 3 pushes the cover 6 and cover 6a in a direction V, the covers 6, 6a being freely turnable in joints 8 and the cover 6a is pushed out over the protrusion 4 to the outside of a front panel. After the ejection of the disc cartridge to outside the apparatus ends and disc cartridge is ejected, the cover 6a contacts a plane C of the protrusion 4. By the above operation, in either state, an opening 9 for inserting and ejecting the disc cartridge is with the covers 6, 6a normally contacting the protrusion 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus capable of preventing dust from adhering to an information reproducing section in an apparatus housing and confirming whether or not a recording medium is mounted.

[0002]

2. Description of the Related Art In a slot-in type optical disk recording / reproducing apparatus which performs recording and reproduction by inserting a cartridge loaded with an optical disk into the apparatus, the size of the apparatus in the depth direction is made as short as possible, and the cartridge is inserted. In order to confirm this, a lid 6b that can be opened and closed is provided at the slot-in opening as shown in FIG.
In general, when the cartridge is inserted, one end of the lid 6b is in contact with the upper surface of the cartridge, and the end surface of the cartridge is generally made visible through the slot-in opening. In such a state, the lid was half open at the slot-in opening.

[0003]

In the above prior art, when the cartridge of the optical disk is inserted, the lid is half-opened at the slot-in opening, so that the dust-proof effect against dust from the outside of the apparatus is obtained. Is reduced.
For example, if the place where the optical disc recording / reproducing apparatus is installed is a place where there is a lot of dust or a place where there is a lot of smoke such as cigarettes, the dust of the optical pickup inside the housing of the optical disc recording / reproducing apparatus becomes dusty. Foreign matter may adhere. For this reason, the laser beam for reading the information recorded on the optical disk may not be able to normally converge on the information surface of the optical disk. For this reason, an accurate focus error signal or tracking error signal cannot be detected, which hinders accurate control of the focus and tracking of the optical pickup, and the data read from the optical disk or the data itself to be recorded on the optical disk is not included. There was a risk of generating defects.

As a countermeasure against the above-mentioned problem, conventionally, as shown in FIG. 5, a structure is provided in which lids 6b and 6c are provided as double lids so that dust does not enter an opening of a front panel of an optical disk recording / reproducing apparatus. When the cartridge is inserted, the lid 6c closes the opening 9. Also,
A fan inside the device is constantly rotated to create an air flow from the opening to the outside of the device. In the case of using a fan, a filter for filtering external dust and tobacco smoke is required in the air intake hole.

However, the apparatus in which the above measures are taken has problems that the structure is complicated, that a large number of parts are required, such as the necessity of a dedicated motor for a fan, and that maintenance and management are troublesome.

Further, as shown in FIG. 5, in a double lid structure having a lid for closing the opening when the cartridge is inserted into the opening, it is easy to determine whether the cartridge is inserted or ejected. Could not be determined.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a recording / reproducing apparatus which solves the above-mentioned problem and has a simple structure for preventing dust from entering through an opening of a panel.

[0008]

According to the present invention, in the above-mentioned recording / reproducing apparatus, the recording / reproducing apparatus is supported by a support provided at one end of the opening, has a joint, is connected by the joint, and is rotatable by the joint. A lid divided into a plurality of parts, an elastic member provided on the support portion and holding the lid, and a projection provided at the other end of the opening portion, wherein the lid has a cartridge inserted therein. The recording / reproducing apparatus is in contact with different surfaces of the protrusion in a first state and a second state in which the cartridge is discharged.

Further, the present invention is the recording / reproducing apparatus according to the above-mentioned recording / reproducing apparatus, wherein the projections have a color different from that of the lid.

Further, the present invention is the above-mentioned recording / reproducing apparatus, wherein the recording / reproducing apparatus is an optical disk recording / reproducing apparatus.

Further, the present invention is the recording / reproducing apparatus, wherein the recording / reproducing apparatus is a magnetic recording / reproducing apparatus.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An optical disk recording / reproducing apparatus will be described as an embodiment of the present invention. FIG. 1 is a cross-sectional view of a structure of a slot-in portion of an optical disk recording / reproducing apparatus according to an embodiment of the present invention, as viewed from the side.

A cover 6 is attached to the front panel 1 of the recording / reproducing apparatus on the inside of the apparatus. Inside the apparatus, there is a support section 5 for supporting one end of the lid 6, and the support section 5 is a shaft that allows the lid 6 to be rotatable. A coil pulling 7 is attached to the fulcrum 5 as an elastic member for stably holding the lid 6 at the position KK ′. The lid 6 is connected to the lid 6 by the joint 8.
a is connected. The lid 6a is attached so that it can freely rotate about the joint 8.

The opening 9 is an opening into which the disc cartridge 3 is inserted or ejected. The protruding portion 4 is provided at the other end of the opening facing the support portion 5, and has such a height that the cover 6 b can always contact when the insertion or ejection of the disc cartridge 3 is completed. The surface indicated by B of the protruding portion 4 is the surface inside the device of the recording / reproducing device and in contact with the lid 6a. Similarly, the surface indicated by C of the protruding portion 4 is the surface on the front side of the recording / reproducing apparatus, which is in contact with the lid 6a.

FIG. 2 is a diagram (1) for explaining the movement of the lid of the slot-in portion of the optical disk recording / reproducing apparatus of this embodiment. FIG. 2A shows that the disk cartridge 3 is
This shows the state before insertion from. The lid 6 is held at a position KK ′ by a spring 7. The lid 6a is in contact with the C surface of the projection 4.

FIG. 2B shows a state where the disc cartridge 3 is inserted while the lid 6 and the lid 6a are being pushed into the apparatus. The disk cartridge 3 has a lid 6 and a lid 6a
Is inserted in the Y direction inside the device, the lid 6 and the lid 6a rotate in the X direction with the center of the support 5 as a fulcrum.

FIG. 2C shows a state where the disk cartridge 3 has been inserted to the end which is a predetermined position.
When the disk cartridge 3 is inserted to the above-described predetermined position, the joint 8 of the disk cartridge 3 that is the joint between the lid 6 and the lid 6a comes into contact with the vicinity of the upper end surface of the disk cartridge 3.

FIG. 3 is a diagram (2) for explaining the movement of the lid of the slot-in portion of the optical disk recording / reproducing apparatus of the present embodiment. FIG. 3A shows a state where the disk cartridge 3 has moved in the lower Z direction from the state of FIG. 2C. When the disk cartridge 3 is lowered, the joint 8 is detached from the end surface of the upper surface of the disk cartridge. A force acts on the lid 6 and the lid 6 a in the direction F by the spring 7. The position of the joint 8 is the disc cartridge 3
, The lid 6a is separated from the disc cartridge 3 by the force acting in the direction of F.

Thereafter, the cover 6 is held at the position of KK 'by the holding force of the coil spring, and the cover 6a is
Comes into contact with side B of FIG. 3B shows a state in which the insertion of the disk cartridge 3 has been completed, and the cover 6 a
Are in contact with the surface B of the projection 4.

FIG. 3C shows a state when the disk cartridge 3 is ejected from the opening. When ejecting the disc cartridge 3, the disc cartridge 3
Is moved upward in the direction of E, which is the direction of the opening of the lid, and the end face of the disc cartridge 3 pushes the lid 6 and the lid 6a in the direction of V. Since the lid 6 and the lid 6a can freely rotate at the joint 8, the lid 6a gets over the protrusion 4 and is pushed out to the outer surface side of the front panel. The ejection of the disk cartridge 3 to the outside of the apparatus is completed, and after the ejection of the disk cartridge 3, the lid 6 a comes into contact with the C surface of the projection 4.

With the above operation, the opening 9 for inserting and ejecting the disk cartridge 3 is always in contact with the projection 4, even when the disk cartridge 3 is inserted or ejected. Thus, the state where the opening is closed by the lid can be maintained.

A projection 4 is provided below the opening 9 in the front panel, and the lid 6a moves over the projection 4 each time a disk cartridge is inserted or ejected. Is there a lid 6b on the front C side,
By visually recognizing whether or not the lid 6a is on the rear surface B, it is possible to easily know the state of insertion and ejection of the disk cartridge.

If the color of the projection is made different from the color of the lid so that the state of insertion and discharge can be clearly recognized, it can be easily detected. As an example, when a prominent color such as red or yellow is arranged on the C surface of the projection 4 and a disc cartridge is inserted and the lid 6a contacts the B surface of the projection 4, the red or yellow color of the C surface is obtained. The colors become more prominent. This makes it possible to know whether the disc cartridge is in the inserted state or the ejected state.

The optical disk recording / reproducing apparatus has been described as an embodiment of the present invention.
Versatile Disk player, CD (Compact Disc) player, MD (Mini Disc) player, DAT (Digital A)
The present invention can be similarly applied to a recording / reproducing apparatus such as an udio tape recorder, a tape deck, etc., in which a recording medium is mounted on a cartridge and inserted or ejected.

[0025]

As described above, according to the present invention, there is provided a recording / reproducing apparatus which has a simple lid structure and has an opening for inserting or ejecting a cartridge loaded with a recording medium when the cartridge is inserted or removed from the apparatus. Prevent the lid from opening halfway,
Dust outside the device does not enter the device.
Accordingly, dust or smoke can hardly adhere to the recording / reproducing gap portion of the magnetic head or the lens portion of the optical pickup, so that it is possible to control the recording medium and read / write information stably.

Further, with a simple lid structure, it is possible to easily determine whether the cartridge is loaded or unloaded from the apparatus.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a structure of a slot-in portion of an optical disc reproducing apparatus according to one embodiment of the present invention.

FIG. 2 is a diagram (1) illustrating a movement of a lid of a slot-in portion of the optical disc reproducing apparatus according to the embodiment of the present invention.

FIG. 3 is a diagram (2) illustrating the movement of the lid of the slot-in portion of the optical disc reproducing apparatus according to the embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a structure of a slot-in part of a conventional optical disc reproducing apparatus.

FIG. 5 is a cross-sectional view showing a structure of a conventional optical disc reproducing apparatus having a double lid at a slot-in portion.

[Description of Signs] 1 Front panel 2 Housing 3 Disk cartridge 4 Projection section 5 Support section 6, 6a, 6b, 6c Lid 7 Spring 8 Joint 9 Opening 10 Drive mechanism 11 Optical pickup

Claims (4)

[Claims] 1. A recording / reproducing apparatus in which a recording medium is inserted or ejected from an opening of an apparatus, wherein the recording medium is supported by a support provided at one end of the opening, and has a joint. A lid divided into a plurality of portions rotatable by joints, an elastic member provided on the support portion for holding the lid, and a projection provided on the other end of the opening; And a recording / reproducing apparatus, wherein the projection portion contacts different surfaces in a first state in which the recording medium cartridge is inserted and a second state in which the recording medium cartridge is discharged. 2. The recording / reproducing apparatus according to claim 1, wherein
The recording / reproducing apparatus according to claim 1, wherein the projection has a color different from that of the lid. 3. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus is an optical disk recording / reproducing apparatus. 4. The recording / reproducing apparatus according to claim 1, wherein the recording / reproducing apparatus is a magnetic recording / reproducing apparatus.