JP2004134028A - Optical storage medium drive with key-lock mechanism - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve safety of an optical storage medium drive by preventing simple insertion/discharge of an optical storage medium such as a CD, a DVD or the like so that the device cannot be used without permission. <P>SOLUTION: In an optical storage medium drive device which is incorporated in a personal computer or attached to the personal computer and which has an inject (unloading) switch 2 operated with an operation button 3 inserted into a loading mechanism control circuit for unloading the disk tray of an optical storage medium, a key switch 4 operated with a key 5 for making the loading mechanism control circuit function is provided in series to the inject (unloading) switch 2. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an optical storage medium drive device for recording (storing) information on an optical storage medium and reproducing the recorded (stored) information, and in particular, stores the information in the optical storage medium drive device. The present invention relates to an optical storage medium drive device with a key lock mechanism, in which a key lock mechanism is provided in a loading mechanism for inserting and ejecting a medium, and can be used only by an authorized person.
[0002]
[Prior art]
2. Description of the Related Art In an optical storage medium drive device (hereinafter, simply referred to as "drive device") built in or externally attached to a personal computer (hereinafter, simply referred to as "PC"), optical storage of a CD, a DVD, or the like. In order to insert and eject a medium (hereinafter simply referred to as a “storage medium”), a storage medium such as a CD or a DVD is loaded on a disk tray, and the disk tray is moved by a loading mechanism to a drive device. Loading (insertion) or unloading (ejection). The following loading and unloading methods are available, for example.
First, during loading, the disc tray is ejected out of the drive device, a storage medium is loaded into the disc tray, and the disc tray loaded with the storage medium is manually moved to a predetermined position against, for example, an unloading spring. When the storage medium is pushed down to the position where recording and reproduction can be performed, the recording medium is locked at the loading position. At the time of unloading, by pressing an eject (unloading) operation button provided on the drive device, the eject switch of the control circuit of the electromagnetic mechanism is turned on, the electromagnetic mechanism is operated to release the lock, and the lock is released. The disc tray is ejected by the spring force of the stored unloading spring, the loaded storage medium is taken out, and the empty disc tray is pushed again by hand and inserted into the drive device. is there.
No. 2 employs a loading motor in place of the unloading spring in the above-mentioned method. In the case of unloading, an eject operation button provided on the drive device is pressed, and an eject switch of the control circuit of the loading motor is used. Is turned on, the loading motor is driven to eject the disk tray, the loaded storage medium is taken out, and the empty disk tray is pushed again by hand and inserted into the drive device. .
[0003]
In the above description, a mechanism including an unloading spring or a locking means such as a loading motor and an electromagnetic mechanism constitutes a loading mechanism for unloading the disk tray with respect to the drive device, and such a loading mechanism is described above. That includes an eject switch, a motor, and the like, which operate as described above, constitutes a loading mechanism control circuit.
[0004]
FIG. 3 is a conceptual diagram of a loading mechanism control circuit of the drive device in the above-described cases 1 and 2, and FIG. 4 is a schematic external view of the drive device.
When the disc tray is ejected from the drive device 10, by pressing the eject operation button (push button) 3 to turn on the eject switch 2, the loading mechanism control unit 1 functions, the loading mechanism operates, and the storage medium is operated. Is ejected from the insertion / ejection port 7 of the drive device 10.
When the disc tray is inserted into the drive device, the disc tray is moved to a predetermined position (a position where the recording medium can be recorded / reproduced) by manually pushing the ejected disc tray.
Therefore, when the disk tray is loaded with a storage medium the next time the disk tray is inserted into the drive device, the storage medium moves to a predetermined position together with the disk tray, and the storage medium stores information (music, music, etc.). Video (or the like) can be reproduced if recorded (stored).
When the drive device is built in the PC, the information recorded (stored) in the fixed storage device in the PC can be copied (recorded), and the storage medium on which the information is copied (recorded) is When the eject operation button 3 is pressed and the eject switch 2 is turned on, the ejection is performed to the outside.
[0005]
As described above, since the storage medium can be inserted into and ejected from the drive device by simply pushing the disk tray by hand and pressing the eject operation button, anyone can use the drive device freely. In particular, when a drive device is incorporated in a PC, information recorded (stored) in a fixed storage device in the PC can be easily copied to an optical storage medium such as a CD or DVD having a large storage capacity. Recording) and can carry this out.
If this information is confidential, confidential matters are easily leaked to the outside.
[0006]
[Problems to be solved by the invention]
An object of the present invention is to prevent an optical storage medium such as a CD or a DVD from being easily inserted into or ejected from an optical storage medium drive so that the drive cannot be used without permission. With the goal.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, an optical storage medium drive device with a key lock mechanism of the present invention is operated by an operation button inserted in a loading mechanism control circuit for unloading a disk tray of an optical storage medium. In an optical storage medium drive device built in or external to a personal computer having an eject (unloading) switch, a key switch operated by a key for causing a loading mechanism control circuit to function is defined as an eject (unloading) switch. Was provided separately.
Also, a key switch is provided in series with an eject (unloading) switch.
Further, a key switch and an eject (unloading) switch are provided in a security box separate from the housing of the optical storage medium drive device main body, and these switches are electrically connected to a loading mechanism control circuit in the main body. I did it.
Further, the key switch and the eject (unloading) switch are provided on the side of the optical storage medium drive or on the side of the PC containing the optical storage medium drive.
Furthermore, the key for operating the key switch has a different structure for each optical storage medium drive device.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiments of the present invention will be described based on examples with reference to the drawings.
FIG. 1 is a conceptual diagram of a loading mechanism control circuit of a drive device according to the present invention. The loading mechanism control circuit is provided with a key switch 4 for key locking that is operated by a key 5 in series with an eject switch 2. . It is desirable that this key has a different structure for each drive device.
As a result, the disk tray inserted in the drive device is key-locked unless the key switch 4 is turned on. Therefore, even if the eject operation button (push button) 3 is pressed to turn on the eject switch 2, Since the loading mechanism control unit 1 does not function and the disk tray cannot be moved by the loading mechanism, the disk tray cannot be ejected from the drive device.
Therefore, since the storage medium cannot be loaded into the disk tray and inserted to a predetermined position in the drive device, the drive device cannot be used, whereby the information recorded (stored) in the storage medium can be deleted. Since the information cannot be reproduced and the information recorded (stored) in the fixed storage device built in the PC cannot be copied (recorded) to the storage medium, it is possible to prevent confidential leakage.
When the key switch 4 is turned on to release the key lock, the ejecting operation button 3 is pressed to turn on the injection switch 2, whereby the loading mechanism control unit 1 functions, and the loading mechanism ejects the disc tray by the loading mechanism. The information recorded (stored) in the storage medium can be reproduced as before, and the information recorded (stored) in the fixed storage device in the PC can be copied to the storage medium. (Recorded) and can be taken out of the drive device.
[0009]
FIG. 2 is a schematic external view of the case where the drive device of the present invention is built in the PC 6. The security box 8 including the eject switch 2 and the key switch 4 is externally attached to the PC 6. Is electrically connected to a loading mechanism control circuit in the main body. Note that the security box 8 can be externally attached to the drive device. When the key 5 is inserted into the keyhole 9 and rotated by a predetermined angle, the key switch 4 is turned on, and the key lock can be released.
Note that the eject switch 2 and the key switch 4 can be provided on the side of the drive device, or on the side of the PC when the drive device is built in the PC.
[0010]
【The invention's effect】
According to the present invention, by providing a key switch for key locking in the loading mechanism control circuit, the use of the drive device is restricted, the key switch is turned on using a key, and unless the key lock is released, the storage medium is not changed. The information recorded (stored) in the PC cannot be reproduced and the information cannot be copied (recorded) to the storage medium, so that the leakage of confidential information recorded (stored) in the fixed storage device in the PC is particularly prevented. can do.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram of a loading mechanism control circuit of an optical storage medium drive device of the present invention.
FIG. 2 is a schematic external view when the optical storage medium drive device of the present invention is built in a PC.
FIG. 3 is a conceptual diagram of a loading mechanism control circuit of a conventional optical storage medium drive device.
FIG. 4 is a schematic external view of a conventional optical storage medium drive device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Loading mechanism control part of optical storage medium drive device 2 Eject (unloading) switch 3 Eject switch operation button 4 Key switch 5 Key 6 PC with built-in optical storage medium drive device
7 disk tray and storage medium insertion / ejection port 8 security box 9 keyhole 10 optical storage medium drive

Claims (5)

Optical storage medium drive device built in or external to a personal computer having an eject (unloading) switch operated by an operation button inserted into a loading mechanism control circuit for unloading a disk tray of an optical storage medium 3. An optical storage medium drive device with a key lock mechanism according to claim 1, wherein a key switch operated by a key for operating the loading mechanism control circuit is provided separately from an eject (unloading) switch. 2. The optical storage medium drive device with a key lock mechanism according to claim 1, wherein the key switch is provided in series with an eject (unloading) switch. 3. The optical storage medium drive device with a key lock mechanism according to claim 1, wherein the key switch and the eject (unloading) switch are provided in a security box separate from a housing of the optical storage medium drive device body. An optical storage medium drive device with a key lock mechanism, wherein the switches are electrically connected to a loading mechanism control circuit in the main body. 3. The optical storage medium drive device with a key lock mechanism according to claim 1, wherein a key switch and an eject (unloading) switch are provided on a side portion of the optical storage medium drive device main body or the optical storage medium drive device. An optical storage medium drive device with a key lock mechanism, provided on a side of a PC having a built-in PC. 5. The optical storage medium drive device with a key lock mechanism according to claim 1, wherein a key for operating a key switch has a different structure for each optical storage medium drive device. 6. An optical storage medium drive device with a key lock mechanism.

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