JPH04335252A - Large capacity optical disk storage device - Google Patents

Abstract

PURPOSE:To prevent an optical disk cartridge from being inserted in the reverse direction at the time of inserting the optical disk cartridge into the large capacity optical disk storage device from the exterior. CONSTITUTION:A photoelectric sensor 10 for detecting whether a recessed part 8 of the optical disk cartridge 2 is in a correct position or not is provided to an inlet tray 6 for receiving the optical disk cartridge 2 inserted from an inserting and ejecting hole 1.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large-capacity optical disc storage device that stores a plurality of optical disc cartridges and performs recording and reproduction.

0002

2. Description of the Related Art FIG. 5 is an external view showing, for example, a conventional large-capacity optical disk storage device. In the figure, reference numeral 1 denotes an insertion/ejection opening for inserting and removing an optical disk cartridge from the outside. 6 is a perspective view showing the inside of the large-capacity optical disc device shown in FIG. 5 is a transport machine for transporting the optical disc cartridge 2 to the storage shelf 3 or the optical disc device 4; 6 is an inlet tray for receiving the optical disc cartridge 2 inserted and removed from the insertion/ejection port 1; 7 is a diagram showing a conventional inlet tray 6, and 7 is a limit switch for detecting whether or not the optical disc cartridge 2 is inserted into the inlet tray 6. As shown in FIG. FIG. 8 is an external view of the optical disc cartridge 2. In the figure, reference numeral 8 indicates a recess (Gripper) for the conveyor 5 to grip the optical disc cartridge 2.
slot), 9 is a location hole provided for positioning the optical disc cartridge 2 when inserted into the optical disc device 4.

Next, the operation will be explained. When inserting the optical disc cartridge 2 into a large-capacity optical disc storage device from the outside, first, the door of the insertion/ejection port 1 is opened. Then, the user inserts the optical disc cartridge 2. The inserted optical disc cartridge 2 is received by an inlet tray 6, and when a limit switch 7 provided at the back of the inlet tray 6 is turned on, the door of the insertion/ejection port 1 is closed. Thereafter, the inlet tray 6 is rotated 180 degrees to direct the mouth of the inlet tray 6 toward the interior of the large-capacity optical disk storage device. Next, the conveyor 5 moves to the front of the inlet tray 6, grips the optical disk cartridge 2, and conveys it to a predetermined position. On the other hand, the inlet tray 6 rotates 180 degrees and returns to its original direction.

0004

[Problems to be Solved by the Invention] Since the conventional large-capacity optical disk storage device is constructed as described above, if the optical disk cartridge 2 is accidentally inserted in the reverse direction, the cartridge chucking portion of the conveyor 5 will be damaged. It cannot engage with the recess 8 of the optical disc cartridge 2 and cannot grip it, resulting in a hardware error, or
There was a problem in that the optical disc cartridge 2 could not be inserted into the optical disc device 4 and recording and reproducing operations could not be performed on the optical disc cartridge 2.

[0005] This invention was made in order to solve the above-mentioned problems, and also to prevent user mistakes.
It is an object of the present invention to obtain a large-capacity optical disk storage device that causes fewer problems such as errors to subsequent processing.

[0006]

[Means for Solving the Problems] A large-capacity optical disc storage device according to the present invention is capable of detecting the insertion direction of an optical disc cartridge by adding one sensor to the insertion/ejection port.

[0007]

[Operation] The large-capacity optical disk storage device of the present invention detects insertion of the optical disk cartridge in the opposite direction by adding a sensor, and issues a warning to urge the user to insert the optical disk cartridge again.
This has the effect of preventing the optical disc cartridge from being inserted in the opposite direction.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of the inlet tray according to the present invention, and FIG. 2 is a view when viewed from above. In the figure, 6 is the inlet tray, 2 is an optical disk cartridge, and 7 is a limit switch that detects the completion of insertion of the optical disk cartridge. , 10 is a photoelectric sensor that detects the insertion direction of the optical disk cartridge 2. When the optical disk cartridge 2 is inserted in the forward direction, the light from the photoelectric sensor 10 passes through the recess 8 of the optical disk cartridge 2, and the photoelectric sensor 10 is turned on. It is mounted in such a position. FIG. 4 is a schematic flowchart of operations when inserting an optical disc cartridge.

Next, the operation will be explained. When inserting the optical disc cartridge 2 into a large-capacity optical disc storage device from the outside, first, the door of the insertion/ejection port 1 is opened. Then, the user inserts the optical disc cartridge 2. The inserted optical disc cartridge 2 is received by the inlet tray 6, and when the limit switch 7 provided at the back of the inlet tray 6 is turned on, the photoelectric sensor 1 is activated.
Examine the 0 signal (see Figure 4). When the optical disc cartridge 2 is inserted in the forward direction, the light from the photoelectric sensor 10 passes through the recess 8 of the optical disc cartridge 2, as shown in FIG. 1, and the photoelectric sensor 10 is turned on. On the other hand, when the optical disc cartridge is inserted in the opposite direction, the light from the photoelectric sensor 10 is blocked by the optical disc cartridge 2, as shown in FIG. 3, and the photoelectric sensor 10 is turned off. Therefore, when the photoelectric sensor 10 is ON, the large-capacity optical disk storage device assumes that the optical disk cartridge 2 has been inserted in the forward direction, rotates the inlet tray 6 by 180 degrees, and continues the operation of inserting the optical disk cartridge 2. The following operation is the same as the conventional example. Conversely, when the photoelectric sensor 10 is OFF, the user is notified that the optical disc cartridge 2 has been inserted in the opposite direction by a warning sound, a warning lamp, etc., or by ejecting the optical disc cartridge 2. Thereafter, the optical disc cartridge is inserted again, the signal of the limit switch 7 is checked, and if it is in the ON state, the signal of the photoelectric sensor 10 is checked, and this operation is repeated until the cartridge 1 is inserted in the forward direction.

In the above embodiment, the light from the photoelectric sensor passes through the recess 8 of the optical disc cartridge 2, but the sensor may be provided at a position where the light passes through the positioning hole 9. , the same effect as the above embodiment is achieved.

Furthermore, in the first embodiment, the photoelectric sensor is turned on when the optical disc cartridge is inserted in the forward direction.
Although an example has been shown in which the sensor is provided at a position where the photoelectric sensor is turned on when inserted in the opposite direction, the sensor may be provided at a position where the photoelectric sensor is turned on when the photoelectric sensor is inserted in the opposite direction, and the same effect as in the above embodiment is obtained.

0012

As described above, according to the present invention, the optical disc cartridge is not loaded into the large-capacity optical disc storage device until the user inserts the optical disc cartridge in the correct direction, which eliminates errors caused by user mistakes. It has the effect of preventing

[Brief explanation of drawings]

FIG. 1 is a sectional view of an inlet tray according to an embodiment of the present invention, showing an example when an optical disc cartridge is inserted in the forward direction.

2 is a plan view of the inlet tray according to the embodiment of FIG. 1; FIG.

FIG. 3 is a sectional view of the inlet tray in the embodiment of FIG. 1 when the optical disc cartridge is inserted in the opposite direction.

FIG. 4 is a flowchart of an optical disc cartridge insertion operation in the embodiment of FIG. 1;

FIG. 5 is an external view of a general large-capacity optical disk storage device.

FIG. 6 is a diagram showing the inside of the large-capacity optical disk storage device of FIG. 5;

FIG. 7 is a sectional view showing a conventional inlet tray.

FIG. 8 is an external view of a general optical disc cartridge.

[Explanation of symbols]

1 Insertion/ejection port 2 Optical disc cartridge 3. Storage shelf 4 Optical disc device 5　Transport machine 6 Inlet tray 7 Limit switch 8 Recessed part 9 Positioning hole 10 Photoelectric sensor

Claims (1)

[Claims] Claim 1: A large-capacity storage device having a storage shelf for storing a plurality of optical disc cartridges capable of recording and reproducing information, an optical disc device for recording and reproducing the optical disc cartridges, and an inlet tray at an insertion/ejection port for inserting the optical disc cartridge from the outside. In an optical disk storage device,
A large-capacity optical disc storage device, characterized in that the inlet tray of the optical disc cartridge is provided with a photoelectric sensor for detecting whether or not the insertion direction of the optical disc cartridge is correct.