KR19980032076U - Drive device of computer equipment - Google Patents

Abstract

Disclosed is a drive device of a computer device which can prevent leakage of information from a main memory device (for example, a hard disk) in a main body of a computer device through an external information medium. The drive device includes a holder 130 in which a disc cartridge 10 having an erase / write prevention hole 14 is accommodated, a main chassis 110 in which a turntable 111 on which the disc 12 is seated is provided, and an erase. A switch element 140 for operating the prevention circuit and a write prevention means for always operating the switch element regardless of opening / closing of the erase / write prevention hole. In this write preventing means, the switch element has two terminals which are electrically shorted when it interferes with the tab, and has a structure in which the two terminals are always electrically connected regardless of interference with the tab. Such a drive device is controlled so that the switch element always operates the write protection circuit, thereby preventing the leakage of information from the main memory device in the device through the external information carrier.

Description

Drive device of computer equipment

The present invention relates to a drive device of a computer device, and more particularly, to a drive device of a computer device that makes it impossible to copy information from a main memory device of the computer, for example, a floppy disk drive.

In general, a floppy disk drive device is employed as an external storage device of various computer devices. As shown in FIGS. 1 and 2, a floppy disk drive device has a circular magnetic disk (11) in a jacket 11 of a certain shape. The disk cartridge 10 containing the magnet disk 12 is loaded into the floppy disk drive 100 to record or read information.

In the disc cartridge 10, an erase / write prevention hole 14 is formed to prevent erasure or write prevention of information stored on the disc 12, and the erase / write prevention hole 14 has a tab ( 15) can be opened and closed.

Referring to FIG. 1 showing a conventional floppy disk drive 100, a main chassis 110 fixed to a computer main body 110 includes a turntable 111 for rotating the floppy disk 12 and a disk 12 for rotation. A magnetic head 112 for recording / reading information is provided, and subsoils 113 having inclined portions 113a and 113b are fixed to both sides of the main chassis 110, and the bottom of the main chassis 110 is fixed. The circuit board 120 in which the circuit elements are provided in a predetermined pattern is fixed.

And the upper side of the main chassis 110 is provided with a holder 130 for receiving the floppy disk cartridge 10, both sides of the holder 130 in the inclined portion (113a) (113b) of the sub-sash (113). Guide protrusions 131 and 132 to be guided are formed.

When the floppy disk cartridge 10 is accommodated in the holder 130, the shutter 16 of the cartridge 10 is opened by the shutter opening and closing mechanism in the holder 130, and the holder 130 is connected to the subsash 113. The guide 12 is lowered so that the disk 12 is seated on the turntable 111.

In addition, the circuit board 120 of the floppy disk drive, as shown in Figs. 1 and 3, a disk-in sensor (140) for detecting whether or not the floppy disk cartridge 10 is inserted; A recording protection sensor 150 is provided to detect whether or not the information stored in the disk 12 of the inserted floppy disk cartridge 10 is protected in advance. The slider of the magnetic head 112 is provided with a magnet. A track zero sensor (not shown) for detecting whether the head is located at the reference position is provided. Fig. 3 shows an example of detecting whether a disc is loaded / recorded as the photosensors 141 and 151. Figs.

On the other hand, when the disk 12 is seated on the turntable 111 in the state where the erase / write prevention hole 14 of the cartridge 10 is opened as shown in FIG. 4A, recording protection as shown in FIG. 4B. The sensor 150 is turned on to operate the recording protection sensor circuit (see FIGS. 5 and 6).

In this way, the protection of the floppy disk 12, which is an external information carrier, can be performed by the user artificially operating the erase / write prevention tab 15. FIG. That is, when the erase / write prevention hole 14 is blocked, the information contained in the floppy disk 12 cannot be erased, and information leakage from the floppy disk 12 is blocked.

However, since a device for protecting the information stored in the main memory device (for example, a hard disk) is not employed, confidentiality can be leaked through the information carrier, and thus, a countermeasure against such information leakage is required.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a drive device for a computer device whose structure is improved so that information contained in the main memory device of the computer device cannot be leaked through an external memory device. It is.

1 is an exploded perspective view showing a conventional drive device;

2 is a perspective view showing a disc cartridge;

Fig. 3 shows whether the cartridge is loaded from the disc cartridge seated on the turn table.

Schematic diagram showing an apparatus for detecting recording protection;

4A and 4B show an operation of the conventional recording protection sensor;

5 is a sectional view showing a switch element of the drive apparatus;

6 is a cross-sectional view of a switch element showing an embodiment of the write preventing means according to the present invention.

* Explanation of symbols for main parts of the drawings

10 ... Disc cartridge 14 ... Erase prevention

110 Main Chassis 111 Turntable

120 ... Circuit Board 130 ... Holder

140 ... disk in sensor 150 ... record protection sensor

The present invention to achieve the above object is the main cartridge is provided with a holder is accommodated in the disc cartridge employing a tab for opening and closing the erase / write prevention hole, the main chassis provided with a turntable on which the disc is seated, and whether to open or close the erase / write prevention hole In the drive device of a computer device having a write protection sensor for operating the erasure prevention circuit accordingly,

Regardless of the opening and closing of the erase / write prevention hole is characterized in that the recording prevention means for always operating the recording protection sensor.

Wherein the write preventing means; The switch element has two terminals which are electrically shorted when interfering with the tab, and has a structure in which the two terminals are always electrically connected regardless of interference with the tab.

According to the features of the present invention, the drive device of the computer device of the present invention is that the recording protection sensor in the device is always on, regardless of opening and closing of the disc cartridge erasing / writing prevention hole, so that the recording protection circuit is always operated. The leakage of information from the main memory device in the device to the external information carrier is prevented.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Since the drive device of the computer device according to the present invention has the essential components of the conventional drive device shown in Fig. 1, the same elements will be described with the same reference numerals.

As described above, the drive device of the computer device of the present invention records information from the turntable 111 for rotating the floppy disk 12 and the rotating disk 12 in the main chassis 110 fixed to the main body of the computer as described above. A magnetic head 112 for reading and reading is provided, and sub-sash 113 having inclined portions 113a and 113b is fixed to both sides of the main chassis 110, and a circuit element is provided at the bottom of the main chassis 110. The circuit board 120 is provided with a predetermined pattern is fixed.

The upper side of the main chassis 110 is provided with a holder 130 in which the floppy disk cartridge 10 is accommodated, and guides to the inclined portions 113a and 113b of the sub chassis 113 on both sides of the holder 130. Guide protrusions 131 and 132 are formed.

When the floppy disk cartridge 10 is accommodated in the holder 130, the shutter 16 of the cartridge 10 is opened by the shutter opening and closing mechanism in the holder 130, and the holder 130 is connected to the subsash 113. The guide 12 is lowered so that the disk 12 is seated on the turntable 111.

In addition, the circuit board 120 of the floppy disk drive is previously stored in a disk-in sensor 140 for detecting whether the floppy disk cartridge 10 is inserted therein and the inserted floppy disk 12. A recording protection sensor 150 is provided for detecting whether or not the information is being protected for recording, and a slider of the magnetic head 112 has a track zero sensor for detecting whether the magnetic head is located at a reference position. zero sensor (not shown) is provided.

In the disc cartridge 10 employed in the disc drive, as shown in FIG. 2, an erase / write prevention hole 14 is formed to prevent erasure or write prevention of information contained in the disc 12. The erasing / writing prevention hole 14 is opened and closed by the tab 15.

On the other hand, as a characteristic configuration of the present invention, there is provided a recording prevention means for always operating the recording protection sensor (switch element) 150 regardless of opening / closing of the erasing / writing prevention hole 14.

The switch device 150 is interlocked with the interlocking pin 158 provided in the housing 154 so as to be normally mounted, the interlocking pin 158 is supported by the spring 152 and moved to the terminal 155 ( And a conductive plate 153 for electrically connecting 156 therewith. The interlocking pin 158 is lowered while interfering with the tab 15 to short-circuit the two terminals 155 and 156 to block the write protection circuit.

Meanwhile, as shown in FIGS. 5 and 6, the write preventing means has two terminals 155 and 156 which are electrically shorted upon interference with the tab 15. The terminals 155 and 156 are electrically connected to the conductive wires 157 at all times regardless of whether they interfere with the tab 15.

When such a write prevention means is employed in the drive device, the switch element 150 controls the write protection circuit to be always operated by the lead wire 157 regardless of opening / closing of the erase / write prevention hole 14 of the cartridge 10. This makes it impossible to copy information from the main storage device (e.g., hard disk) in the device via the loaded disk 12. Therefore, such a drive device is preferably applied to computer equipment that requires confidentiality in the company.

On the other hand, the present invention is not limited to the above embodiments, it goes without saying that many modifications can be made / carried out without departing from the spirit and scope of the present application.

For example, as shown in FIG. 5, by removing the interlocking pins 158 protruding from the housing 154, the two terminals 155 and 156 are always electrically connected regardless of opening and closing of the tab 15. It can also be configured.

As described above, the drive device of the computer device of the present invention enables the write protection circuit to always operate regardless of the user's artificially operating the anti-erasing tab of the floppy disk, which is an external information carrier, thereby maintaining the main storage device in the device via the information carrier. To prevent the leakage of information from

Claims (2)

An erase / write prevention circuit is operated depending on whether the disc cartridge employing a tab for opening or closing the erase / write prevention hole is accommodated, a main chassis provided with a turntable on which the disc is seated, and whether the erase / write prevention hole is opened or closed. In the drive device of a computer device having a switch element to make, And a write preventing means which always operates the switch element regardless of opening / closing of the erasing / recording preventing hole so as to prevent writing to the disc. 2. The apparatus according to claim 1, wherein the write preventing means; The switch device has two terminals that are electrically shorted when interfering with the tab, the drive device of a computer device, characterized in that the two terminals are always electrically connected regardless of interference with the tab.