JP2003100005A - Recording/reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording/reproducing device wherein an electric detaching device for loading/unloading a disk is realized without adding a dedicated motor to reduce an open portion during the disk loading/unloading without increasing costs or size of the recording/reproducing device, thereby preventing the incursion of dust into the device, a mechanical detaching device is also provided to enable the unloading of the disk without needing any power sources, and the improper unloading operation of the mechanical detaching device is prevented. SOLUTION: The recording/reproducing device for loading/unloading an information medium 2 such as a disk at an electric detaching device is constructed in such a manner that the housing 24 of an information medium reader is operated to switch the loading and unloading operations of the information medium 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording or reproducing apparatus, and more particularly to a recording or reproducing apparatus such as a disc camcorder having a disc as an information medium.

[0002]

2. Description of the Related Art Conventionally, in a recording or reproducing device such as a disc camcorder, when a take-out button is pressed, a part of an outer cover is opened by a mechanical attaching / detaching device, and a disc holder pops up in conjunction with the opening operation of the cover. Then it was possible to load / unload the disc.

[0003]

However, in the case of the above-mentioned conventional example, since the outer cover is largely opened when loading / unloading the disc, dust or the like may enter the device, and further, in the high density recording, the disc Since there is a small gap between the head and the head, there is a problem that a signal is lost or the head is damaged.

Further, the disc loading / unloading mechanism of the mechanical loading / unloading device is dangerous because the disc will be ejected while rotating if it is unintentionally ejected during normal use, that is, when the disc is rotated. There was a point.

For that purpose, it is conceivable to adopt a disk loading / unloading mechanism of an electrical loading / unloading device, but in that case, a dedicated motor is required, which increases the cost of the recording / reproducing device, and the recording / reproducing device. There was a problem that the size of the would become large.

Further, in the case of an electrically attachable / detachable device, the disc cannot be taken out if the battery is exhausted. Therefore, another power supply means must be prepared to take out the disc contained in the recording or reproducing device. There was a problem that it would not happen.

The present invention has been made in view of the above problems, and an object thereof is to realize an electrical attaching / detaching device for loading and unloading a disc without adding a dedicated motor. By doing so, without increasing the cost or increasing the size of the recording or reproducing apparatus, it is possible to prevent the entry of dust and the like into the apparatus by reducing the open portion when loading and unloading the disc, Further, by additionally having a mechanical attaching / detaching device, it is possible to take out the disc without requiring a power source, and to provide a recording / reproducing device without carelessly taking out the mechanical attaching / detaching device. Especially.

[0008]

Therefore, in the present invention, it is an object of the present invention to provide the recording or reproducing apparatus shown in any of the following items (1) to (6) to achieve the above object. It is a thing.

(1) In a recording or reproducing apparatus in which the loading and unloading operations of an information medium such as a disc are performed by an electrical attaching / detaching apparatus, the loading / unloading operation of the information medium is performed by the operation of the housing of the information medium reading apparatus. A recording or reproducing device characterized by switching.

(2) The recording operation according to (1) above, wherein the loading operation and the unloading operation of the information medium can be switched by utilizing the power of a spindle motor for rotating the information medium. Or a playback device.

(3) In the above-mentioned (1) or (2), the power for the loading and unloading of the information medium is obtained from a spindle motor that rotates the information medium. Recording or playback device.

(4) Recording or reproduction characterized by having both an electrical attachment / detachment device for electrically performing the loading / unloading operation of the information medium and a mechanical attachment / detachment device for manually performing the removal operation of the information medium apparatus.

(5) The recording / reproducing apparatus as described in the above item (4), wherein the mechanical attaching / detaching device has an operating portion arranged on a side surface orthogonal to the insertion / removal port of the information medium. .

(6) The recording or reproducing apparatus according to the above item (5), wherein the operation section is arranged in a power supply means mounting section.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to a plurality of examples.

(First Embodiment) The first embodiment will be described below with reference to FIGS.

FIG. 1 is a diagram showing a disc camcorder main body.

FIG. 2 is a view showing a battery mounting portion of the disc camcorder main body.

FIG. 3 is a detailed view of the disc take-out operation section of the mechanical attachment / detachment device.

FIG. 4 is a view showing a state in which the disc is inserted into the disc device.

FIG. 5 is a view showing a state in which a disc is loaded in the disc device.

FIG. 6 is a view showing the front side of the disk device of the present invention.

FIG. 7 is a view showing the back side of the disk device of the present invention.

FIG. 8 is an exploded perspective view of the chassis, slide plate, charge plate, and holder.

FIG. 9 is a diagram showing switching between loading and unloading operations of the disk by the operation of the housing of the information medium reading device.

FIG. 10 is a sectional view taken along the line AA of FIG. 6 for explaining how the chassis, the slide plate, the charge plate, and the holder move when the disc is loaded.

In FIG. 10, the main part is enlarged and the disk 2 is omitted for the sake of explanation.

Reference numeral 1 is a disc camcorder main body (hereinafter referred to as main body), 2 is a disc which is an information medium, 3 is a battery, 4 is a take-out operation button of an electrical detachable device provided in the main body 1, and 5 is a disc. Reference numeral 5a denotes a disc insertion / removal port which is an insertion / removal port for the information medium.

Reference numeral 6 denotes a battery mounting portion which is a mounting portion for the power supply means, and 7 denotes a disk ejecting operation portion of the mechanical attaching / detaching device.

The disc ejecting operation portion 7 of the mechanical attaching / detaching device is formed on the side surface orthogonal to the disc inserting / removing port 5a.

Reference numeral 8 denotes a chassis of the disk device 5, 8'is a stopper, 8a is a groove, 9 is a magnetic head, 10 is a disk lifting pin, and 11 is a disk lifting cam groove.

Reference numeral 12 is a holder for holding the disc 2, 13 is a slide plate having a disc moving cam groove 11, 13a is a groove, and 14 is a shaft 21 and a groove 22 with respect to the slide plate 13. The charge plate is slidably supported, and 14a is a groove.

The disk elevating pin 10 formed on the holder 12 is engaged with the cam groove 11 formed on the slide plate 13 and the groove 35 formed on the charge plate 14.

Reference numeral 15 is a drive pin inserted into the groove 8a, groove 13a, and groove 14a to slide the slide plate 13 and the charge plate 14, 16 is a spindle motor for rotating the disk, 17 is an optical pick, 18
Is a charge spring that is hung between the slide plate 13 and the charge plate 14 to bias the charge plate 14 against the slide plate 13, and 19 pivotally supports the slide plate 13 slidably with respect to the chassis 8. The shaft, 20 is a slide groove, 21 is the charge plate 14 and the slide plate 13
The reference numeral 22 denotes a slide groove, and the reference numeral 22 denotes a slide groove.

Reference numeral 23 is a motor for feeding the optical pick 17, 24 is an optical pick housing which is a housing of the information medium reading device, and 25 is an optical pick 17
Guide, 26 is a feed screw for the optical pick 17, and 27 is
An abutting portion formed on the optical pick housing 24, 28 a spindle gear formed on the outer peripheral portion of the spindle motor 16, 29 a reduction gear, 30 a drive gear, and 31 a cam groove 37. The cam gear 32, the trigger pin 32 formed on the cam gear 31, the drive plate 33 for sliding the slide plate 13 by the operation of the cam gear 31, and the reference numeral 33 '.
The cam groove 37 of the cam gear 31 provided on the drive plate 33
The pin 34 that engages with the cutout portion is formed in the cam gear 31.

Reference numeral 35 is a groove formed in the charge plate 14, 36 is a shaft which fixes one end of the drive plate 33,
Reference numeral 37 denotes a cam groove provided in the cam gear 31.

The cam gear 31, the trigger pin 32,
The holder 12, the slide plate 13, the charge plate 14, the spindle gear 28, the reduction gear 29, and the drive gear 30 constitute an electrical attachment / detachment device.

The magnetic head 9, the optical pick 17, the motor 23, the optical pick housing 24, the guide 25, the feed screw 26, and the abutment portion 27 constitute an information medium reading device.

Then, the disk take-out operation portion 7 of the mechanical attaching / detaching device, the cam gear 31, the drive plate 33, the holder 12,
The slide plate 13 and the charge plate 14 form a mechanical attachment / detachment device.

The operation of the present invention will be described below.

As shown in FIGS. 1 and 2, the battery 3
Are attached to the battery attachment portion 6.

At this time, as shown in FIG. 3, the disk ejecting operation portion 7 of the mechanical attaching / detaching device is arranged in a portion dented from the mounting surface so as not to interfere with the battery 3.

Next, the loading operation of the disk by the electrical attaching / detaching device will be described.

As shown in FIG. 4, the disc 2 is inserted into the disc insertion / removal port 5a of the disc device 5 in the direction of the arrow.

As a result, as shown in FIG. 5, the disk 2 is loaded in the disk device 5.

Hereinafter, this process will be described in detail.

First, when the disc 2 is inserted into the disc insertion / ejection port 5a, the insertion is detected by a detection device (not shown), and the motor 23 starts to rotate accordingly.

Then, the rotation of the motor 23 causes the feed screw 26 to move the optical pick housing 24 in the direction of arrow a1 shown in FIG.

As a result, the abutting portion 27 provided on the optical pick housing 24 contacts the trigger pin 32 of the cam gear 31, and the cam gear 31 slightly rotates in the direction of arrow a2 shown in FIG. 9A. .

The cutout portion 34 of the cam gear 31
The gear portion of the drive gear 30 and the gear portion of the cam gear 31 that are idling due to the fact that they face each other mesh with each other.

As a result, the rotational force of the spindle gear 28 formed on the spindle motor 16 in the s direction is transmitted through the reduction gear 29 and the drive gear 30 to the cam gear 3
1, and the cam gear 31 continues to rotate in the a2 direction.

As a result, the cam groove 37 formed in the cam gear 31 also rotates, and the pin 33 'formed on the drive plate 33 moves in the cam groove 37 in accordance with the rotation, so that the drive plate is driven. 33 rotates about the shaft 36 in the arrow a3 direction.

As a result, the drive pin 15 provided on the drive plate 33 also moves in the direction a3, and the slide plate 13 engaged with the drive pin 15 in the groove 13a also slides in the direction a4 in FIG. (FIG. 10 (a), FIG.
(See (b)).

At this time, since the charge plate 14 is biased against the slide plate 13 by the charge spring 18, it is slid in the same manner as the slide plate 13.

Further, since the disk elevating pin 10 formed on the holder 12 is engaged with the cam groove 11 and the groove 35, the holder 12 is also slid in the a4 direction along with the sliding of the groove 35.

Then, the charge plate 14 abuts against the stopper 8 '(formed by bending and raising the chassis 8) provided on the chassis 8 (FIG. 10C).
reference).

Therefore, the slide plate 13 is further moved to the arrow a4.
By moving in the direction, the lifting cam groove 11 and the groove 35 are displaced (see FIG. 10D).

As a result, the elevating pin 10 is pushed down, the disc 2 is lowered together with the holder 12, and the disc is loaded into the disc for recording and reproduction (FIG. 10).
(See (e)).

The abutting portion 27 is formed by the cam gear 31.
When starts to rotate, it is returned to the original position by the power of the motor 23.

In the cam gear 31, the other notch portion 34 formed in the cam gear 31 has the drive gear 30.
The rotation is stopped by turning to a position opposite to.

Next, the operation of taking out the disc by the electrical attaching / detaching device will be described.

By pressing the take-out operation button 4 of the electrical attaching / detaching device of the main body 1, the motor 23 starts to rotate.

The optical pick housing 24 is moved in the direction of arrow a1 by the feed screw 26 by the rotation of the motor 23, and the abutment portion 27 is moved by the cam gear 3 as in the loading operation.
1 is slightly rotated in the a2 direction (see FIG. 9B).

As a result, the turning force of the spindle gear 28 in the s direction is transmitted to the cam gear 31, and the cam gear 31 moves to a.
Continue to rotate in two directions.

As a result, the cam groove 37 rotates, and the drive plate 33 and the drive pin 15 rotate in the direction of arrow b.

When the drive pin 15 moves in the b direction, the slide plate 13 slides in the direction opposite to that in the disc loading operation.

As a result, the elevating pin 10 is pushed up to raise the holder 12, and the charge plate 14 and the holder 12 slide together with the slide plate 13 so that the disk 2 is taken out.

These operations are carried out with the battery 3 being mounted on the main body 1 driven by the battery 3 as the power supply means.

Therefore, the disk ejecting operation section 7 of the mechanical attaching / detaching device is hidden by the battery 3 so that the user does not operate it carelessly.

Next, the disc ejecting operation by the mechanical attaching / detaching device will be described.

As shown in FIG. 3, with the battery 3 removed from the main body 1, the disc ejecting operation portion 7 of the mechanical attaching / detaching device is manually rotated in the direction a.

As a result, the cam gear 31, which is interlocked with the disc take-out operating portion 7 of the mechanical attaching / detaching device, is a2.
The drive pin 15 provided on the drive plate 33 also rotates in the direction of arrow b.

Then, similarly to the taking-out operation of the electrical attachment / detachment device, the rotation of the drive pin 15 causes the slide plate 13 and the like to slide so that the disc 2 can be taken out.

At this time, since the battery 3 is removed from the main body 1 and the spindle motor 16 is not moving, the disc 2 is not discharged while being rotated.

(Second Embodiment) Next, a disc camcorder of the second embodiment will be described.

FIG. 11 shows a disc camcorder of the second embodiment.

Reference numeral 101 denotes a disc camcorder main body, 102
Is a disc which is an information medium, 103 is a battery, and 104 is a take-out operation button of the electrical attachment / detachment device provided in the disc camcorder main body 1.

Reference numeral 105 denotes a disk device, and 105a denotes a disk insertion / removal opening for inserting / removing an information medium.

Reference numeral 106 is a battery mounting portion, and 107 is
3 shows a disk ejecting operation part of a switch-type mechanical attaching / detaching device.

The disk ejecting operation portion 107 of the switch type mechanical attaching / detaching device is configured to interlock with the drive plate 33 described in the first embodiment, and the mechanical attaching / detaching device of the first embodiment is used. The disk 2 can be manually taken out in the same manner as the disk take-out operation unit 7 of FIG.

[0081]

As described above, according to the present invention,
By realizing an electrical loading / unloading device for loading / unloading a disc without adding a dedicated motor, the loading / unloading of the disc can be performed without increasing the cost or size of the recording / reproducing device. It is possible to provide a recording or reproducing device in which the open portion at the time of taking out can be reduced to prevent dust and the like from entering the device.

Further, by additionally having a mechanical attaching / detaching device, a disc can be taken out without requiring a power source, and a recording / reproducing device which does not carelessly take out the mechanical attaching / detaching device. Can be provided.

[Brief description of drawings]

FIG. 1 is a diagram showing a disc camcorder main body.

FIG. 2 is a view showing a battery mounting portion of a disc camcorder main body.

FIG. 3 is a detailed view of a disc removal operation section of the mechanical attachment / detachment device.

FIG. 4 is a diagram showing a state where a disc is inserted into the disc device.

FIG. 5 is a diagram showing a state in which a disc is loaded in the disc device.

FIG. 6 is a diagram showing a front surface side of a disk device of the present invention.

FIG. 7 is a diagram showing a back surface side of the disk device of the present invention.

FIG. 8 is an exploded perspective view of a chassis, a slide plate, a charge plate, and a holder.

FIG. 9 is a diagram showing switching between loading and unloading operations of a disc by the operation of the housing of the information medium reading device.

FIG. 10: Chassis, slide plate, when a disc is loaded,
A- in FIG. 6 for explaining the movement of the charge plate and the holder.
It is an A line sectional view.

FIG. 11 is a diagram showing a disc camcorder of a second embodiment.

[Explanation of symbols]

1 Disc camcorder body (body) 2 discs 3 battery 4 Disc eject button of electrical attachment / detachment device 6 Battery mount 7 Disc removal operation part of mechanical attachment / detachment device 8 chassis 12 Disk holder 13 Slide plate 14 Charge plate 15 drive pins 16 spindle motor 24 Optical pick housing 31 cam gear 33 Drive plate

Claims (6)

[Claims] 1. In a recording or reproducing device in which an information medium such as a disc is loaded and unloaded by an electrically attachable / detachable device, the operation of the housing of the information medium reading device switches between loading and unloading of the information medium. A recording or reproducing device characterized by the above. 2. The recording or reproducing apparatus according to claim 1, wherein the loading and unloading operations of the information medium are switched by utilizing the power of a spindle motor that rotates the information medium. . 3. The loading and unloading operations of the information medium are obtained by power from a spindle motor which rotates the information medium.
The recording or reproducing apparatus described in. 4. A recording or reproducing apparatus having both an electrical attaching / detaching device for electrically loading and unloading an information medium and a mechanical attaching / detaching device for manually ejecting an information medium. . 5. The recording / reproducing apparatus according to claim 4, wherein the mechanical attachment / detachment device has an operating portion arranged on a side surface orthogonal to an insertion / removal port of the information medium. 6. The recording or reproducing apparatus according to claim 5, wherein the operation unit is arranged in a power supply unit mounting unit.