JPS5824291Y2 - video disc player - Google Patents

Description

[Detailed description of the invention] The present invention stores a sleeve and/or jacket for protecting a video disc in a holder provided in the video disc player when the video disc is set in the player. This invention relates to an improvement of a video disc player that can prevent a sleeve from being inserted into a sleeve insertion slot of the player when the player is being stored. It is an object of the present invention to provide a video disc player in which jackets and/or jackets can be related to each other.

A video disc 1 made of a soft resin sheet is housed in a paper sleeve 2 that can be bent near sunset in order to protect the signal grooves recorded densely engraved on its surface from dust. The sleeve containing the video disc is further housed in a harder jacket 3.

When a video disc is stored, the video disc, sleeve, and jacket are integrated into one, as can be seen from FIG.

To load a disc stored in this jacket into a player, remove the disc stored in the sleeve from the jacket, insert it into the sleeve insertion slot 5 of the player 4 with the exposed side of the disc first. If the sleeve is pushed to the stop position and then pulled out, the disc 1 is left inside the player by the clamping device 6, as shown in FIG.

Next, when the player is operated to enter the play standby state, as shown in FIG. 3, the rotary claws 7 of the clamping device rotate to release the disc, clamp the disc to the rotary table 8, and engage the chuck 9. .

After that, if you operate to cancel this play waiting state,
As shown in FIG. 4, the rotary claw and chuck are returned to the original device, and at the same time, the push-up plate 10 is also returned so that the disk faces the sleeve insertion opening.

In this state, by inserting an empty sleeve, the disc can be re-stored in it.

This sleeve is then repacked into the previous jacket to complete one cycle of play motion.

Due to the above loading and unloading method,
There are cases where the disc is left inside the player and the sleeve and jacket are also left outside the player without any connection.

As a result, (a) the sleeve and jacket are not easily stored, and dust and the like adhere to them, which causes dust and the like to adhere to the signal surface of the disk.

In some cases, the sleeve and/or jacket may be lost, and in this case, the disc may be stored in an empty sleeve or jacket that is different from the disc in the player.
Alternatively, as shown in FIG. 5, the disk 1 may be unloaded onto the sleeve 2' in which another disk 1' is already stored, and then the above cycle may be performed by mistake. .

In this case, it is possible to produce pictures and sound even if two discs are placed one on top of the other, but the flying height of the disc is small and does not affect its stable rotation.It not only reduces the image quality but also damages the disc and pickup. i-There is that.

Furthermore, since the two discs can be inserted into and removed from the sleeve while still being stacked, there is a drawback that the discs can be stored and played forever without being noticed.

These drawbacks are due to the lack of audibility between the disc set in the player and the sleeve and jacket used to store it.

The present invention was devised to eliminate these drawbacks, and includes a receptacle (provided outside the cabinet) in which sleeves and/or jackets can be stored, and a receptacle that allows sleeves and jackets to be stored from the sleeve insertion slot when stored in the receptacle. It is an object of the present invention to provide a video disc player equipped with means for preventing insertion of a sleeve.

Next, the present invention will be explained according to the implementation shown in FIG. 6, but since the same figure numbers as those up to FIG. 5 in the figures represent the same constituent elements, the explanation thereof will be omitted.

Incidentally, this reproducing machine shows the state immediately before unloading.

The sleeve and/or jacket receiver 11 is attached via joints 15, 15 to a lever 14 that cannot rotate about a rotational fulcrum 12 and is biased in one direction by a spring 13. When the sleeve and/or jacket is attached to the receiver, its weight causes the lever to rotate counterclockwise against the spring 13;
The open end 14a of the lever acts to close the sleeve insertion opening 5.

3 in the figure is the sleeve (
(not shown);
is a separate sleeve that houses a disk (not shown) that is different from the disk.

As shown in the figure, when the jacket 3 is stored in the receiver 11, the sleeve insertion opening is blocked (...
This prevents you from inserting another sleeve by mistake, and the presence of the jacket in the holder allows you to see at a glance that there is a disc left in the player, so you can avoid forgetting to store the disc and leaving it unattended. It will not be done.

When the jacket 3 is removed from its receiver 11, the lever 14 is rotated clockwise by the spring 13 to unblock the insertion port.

FIG. 7 shows another implementation.

This is to store jackets, etc. in the receiver by utilizing the shape of the jacket, etc., and the explanation of its operation is omitted as it is self-explanatory from the diagram. .

Various other electrical, mechanical, or optical means may be used as the means for detecting the presence or absence of storage.

For example, an electric or optical switch may be opened/closed to control a solenoid in response to attachment/detachment of the jacket, etc., and the plunger may be configured to control the sleeve insertion prevention means.

Like the Prince, the present invention relates the disc in the playback machine to the sleeve and/or jacket in which it is to be stored, so all of the above-mentioned conventional drawbacks can be overcome and it is practical.

Further, there is a receiver 11 outside the cabinet, which is useful because it allows the program content of the videotask being played back to be determined by looking at the jacket.

[Brief explanation of the drawing]

Figure 1 is a plan view showing the relationship between the jacket, sleeve, and disc; Figures 2, 3, and 4 are illustrations of loading and unloading operations of the player; and Figure 5 shows the double loading state of discs. FIG. 6 is a schematic side view of one implementation ψ1 of the present invention, and FIG. 7 is a schematic side view of another actual mPIJ. DESCRIPTION OF SYMBOLS 11... Receiver for jacket etc., 5... Sleeve insertion opening, 14a... Blocking means (open end of lever).

Claims (1)

[Claims for Utility Model Registration] l A sleeve and jacket holder is provided outside the cabinet of a video disc player, and when the sleeve and jacket are set in the holder, it is detected and the sleeve is inserted into the sleeve insertion slot of the player. A video disc playback machine comprising a means for preventing the entry of. 2. The detection means described in claim 1 detects the presence or absence of the sleeve and jacket in the sleeve and jacket receiver by detecting the difference in weight or external dimension of the sleeve and jacket, or by using an electrical or optical switch. A video disc player.