JPH0737320A - Injection inhibitor for recording medium of player - Google Patents

Abstract

PURPOSE:To prevent the burglary, damage, etc., of a recording medium by providing an infection inhibiting means making the operation of an injection switch ineffective when the recording medium is loaded in a player. CONSTITUTION:A lock mode is set by a mode setting/releasing means 50 in a CD player, and an infection inhibiting means 48 opens an injection inhibiting switch 52 on condition of the lock mode of the player and the loading of a CD when a recording medium is loaded. Consequently, the operation control of an injection switch 28 from a control means 18 is not received. Accordingly, the infection operation of the recording medium of the player is inhibited, thus preventing the burglary, damage and loss of the loaded recording medium.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a CD for a CD player,
The present invention relates to a device that prohibits only ejection of a recording medium such as a cassette tape of a cassette deck and a video tape of a video deck.

[0002]

2. Description of the Related Art In a CD player, an audio player such as a cassette deck, or a video player such as a VCR, a recording medium such as a CD, a cassette tape or a video tape is automatically loaded (loaded) or ejected (ejected). The one provided with the medium inserting / removing means is used. In this type of player, loading or ejecting of the recording medium is performed by operating the ejector switch to drive the medium insertion / ejection means.

[0003]

However, if the recording medium is left loaded in the player for the purpose of listening to the contents of these recording mediums at a store such as a CD or a cassette tape, a third party will record the contents. Since the medium can be ejected freely, the recording medium may be stolen.

In addition, when the user leaves the seat while the recording medium is loaded into the player and is being played back, or when the user leaves the seat while the power is on although the playback is not being performed. In addition, there is a risk that the infant may mischievously press the eject switch to eject the recording medium and damage or lose the CD or the like.

Further, an infant may mischievously perform the eject operation on the tray on which the recording medium of the player is not loaded, and the structurally weak tray may be damaged by using the tray as the protruding position.

Recently, the player itself cannot be operated in the security mode for the purpose of suppressing the player's willingness to steal, but a recording medium such as a CD can be loaded in the player and thereafter the ejection of the CD or the like is prohibited. A player aiming to do so has been proposed (see Japanese Patent Laid-Open No. 5-144161). This player cannot perform any operation other than loading even if stolen. Therefore, if a CD or the like is loaded for the purpose of use, it will not be possible to reproduce it or to retrieve its own CD, but while prohibiting ejection. It cannot be played for the purpose of listening to a CD.

An object of the present invention is to prevent the recording medium from being stolen or damaged when the recording medium is loaded in the player and prevent the recording medium from being stolen or damaged. Another object of the present invention is to provide a recording medium eject prohibiting apparatus for a player such as an audio player and a video player, which can perform the normal operation of.

Another object of the present invention is to prevent the recording medium such as a tray from being damaged by preventing the recording medium from protruding to the insertion / removal position even if the recording medium is not loaded in the player. Another object of the present invention is to provide a recording medium eject prohibiting device for a player such as an audio player or a video player.

[0009]

A first object of the present invention is to provide a player comprising a medium inserting / removing means for loading / ejecting a recording medium and a control means for controlling the medium inserting / removing means. PROBLEM TO BE SOLVED: To provide a recording medium eject prohibiting apparatus for a player, further comprising: an eject prohibiting means for prohibiting only an eject operation in the lock mode of 1) and a mode setting / releasing means for setting / releasing the lock mode. is there.

A second object solving means of the present invention is a player's recording medium eject prohibiting apparatus according to the first object solving means, wherein a medium is inserted when a recording medium is loaded in the player in a lock mode of the player. Another object of the present invention is to provide a recording medium eject prohibiting apparatus for a player, which prohibits only the ejecting operation of the ejecting means.

A third problem solving means of the present invention is a player's recording medium eject prohibiting device according to the first or second problem solving means, wherein the eject prohibiting means is provided in the control means. Another object of the present invention is to provide a recording medium eject prohibiting device for a player.

[0012]

As described above, if the ejecting operation of the medium inserting / removing means is prohibited while the recording medium of the player such as the audio player or the video player is loaded in the lock mode of the player, it is loaded for the purpose of listening. A recording medium such as a CD that is present will not be stolen, and an infant or the like will not accidentally operate the button of the eject switch to eject the recording medium, and will not be damaged or lost.

Further, even in the lock mode, operations other than eject, such as reproduction, stop and the like, are accepted.
A reproduction operation or the like can be performed at a store such as D for the purpose of trial listening.

Further, even if the recording medium of the player is not loaded, if only the eject operation is prohibited in the lock mode, the infant performs the eject operation to structurally weaken the recording medium storage portion such as the tray as the projecting position. It is possible to reliably prevent the tray and the like from being damaged by mischief.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3 which show an embodiment of an audio / video player equipped with a recording medium eject prohibiting device according to the present invention. In this embodiment, the audio / video player is shown to be a CD player 10, so the recording medium is a CD.

The CD player 10 includes a body 12, a tray 14 which is provided in the body 12 so as to move back and forth, and which accommodates a disc (CD) which is a recording medium, and a tray for loading and ejecting the disc. The medium inserting / removing means 16 (see FIG. 3) that drives between the position where the unit 14 projects from the body 12 (see FIG. 3) and the position where the disc is stored in the body 12 to maintain the loading state (see FIG. 2).
And a control means 1 comprising a Mycoro computer for controlling the operation section, mechanism section, etc. including the medium inserting / removing means 16.
8 (see FIG. 4).

In addition to the power source section, the circuit section,
An operation unit 20, a mechanism unit 22, a display unit 24 and the like are provided. The operation unit 20 includes buttons such as a power switch 26, an eject switch 28, a play / pause switch 30, a fast forward switch 32, a reverse switch 34, and a stop switch 36, which are provided on the front wall of the body 12 so that the buttons are exposed. The mechanism section 22 includes an operation switch, and the mechanism unit 22 includes, in addition to the medium inserting / removing means 16 that drives the tray 14, a disc rotating mechanism, an optical pickup feeding mechanism, and the like (not shown). Further, the display unit 24 is composed of an arbitrary display 38 for displaying the track number of the disc being played, the play time, various modes and the like. Incidentally, FIG.
In the figure, reference numeral 40 is a ten-key pad for inputting various numerical commands such as track selection to the control means 18.

As can be seen from FIG. 3, the medium inserting / removing means 16 includes, for example, a rack 42 provided on the tray 14, a pinion 44 that meshes with the rack 42, and a drive motor 46 that reversibly drives the pinion 44. It is made up of The medium inserting / removing means 16 is provided with an eject switch 28.
When the button is pressed, a command is received from the control means 18, and when the tray 14 is in the storage position, the tray 14 is driven so as to project, and when the tray 14 is in the projecting position, the tray 14 is driven. Drive to the storage position. Incidentally, reference numeral 14A in FIG. 3 is a recess for mounting the disc on the tray 14.

The recording medium eject prohibiting apparatus of the present invention is
The eject prohibiting means 48 for prohibiting only the ejecting operation of the medium inserting / removing means 16 when the recording medium is loaded in the lock mode of the CD player 10, and the mode setting / releasing means 50 for setting or releasing this lock mode. And are further equipped.

As shown in FIG. 4, the eject prohibiting means 48 comprises appropriate means for invalidating the button operation of the eject switch 28. In FIG. 4, this means is a prohibition switch 52 which is provided between the eject switch 28 and the control means 18 and which does not accept the eject switch 28 by opening it under the condition of the lock mode of the player and the loading of the CD as the recording medium. Although it is shown in principle, this is of course provided in the control means 18 so that the microcomputer, which is the control means 18, does not accept the result of the opening / closing operation of the eject switch 28. it can.

The mode setting / releasing means 50 gives a command for the lock mode or the unlock mode to the control means 18 by a continuous pushing operation for 3 seconds or more in the explanation of the operation of the apparatus of the present invention which will be described later with reference to a flow chart. Although the stop switch 36 is used, a ten-key pad 40 for inputting a predetermined code number (personal identification number, for example, 999) may be used. When the lock mode is set by continuously pressing the stop switch 36 for 3 seconds or more, when the eject switch 28 is operated and the CD is loaded, the microcomputer as the control unit 18 causes the eject prohibition unit 48 to notify the eject mode. The lock mode is instructed, and the eject prohibiting means 48 becomes in a state of invalidating the button operation of the eject switch 28.

Next, the operation of the apparatus of the present invention will be described with reference to FIGS.
As shown in the flowchart of FIG. 5, first, the power switch 26 is turned on, and the eject switch 28 and the play switch 30 are turned on.
When an operation switch such as the above is pressed, it is determined whether the CD player 10 is in the lock mode.

The lock mode is set by continuously pressing the stop switch 36 for 3 seconds as shown in the flow chart of FIG. 6, and the lock mode is released as shown in FIG. Is performed by continuously pressing for 3 seconds. When the lock mode is set, the control means 18 displays "LOCK" on the display section 24 as shown in FIG.
It is known whether 0 is in lock mode. When the pressing time of the stop switch 36 is 3 seconds or less, the control means 1
8 is a stop command and the stop operation is performed by the mechanical unit 22.
Command (see FIGS. 6 and 7).

Returning to FIG. 5 again, when it is determined that the CD player 10 is in the lock mode and the operated switch is the eject switch 28, it is determined whether or not the CD is loaded in the CD player 10. If it is determined that the CD is loaded, the eject prohibiting means 48 is in the prohibiting state, and the control means 18 does not accept the button operation of the eject switch 28. Therefore, since the tray 14 is maintained in the retracted state, it does not protrude from the container 12 and the internal CD is not ejected.

If the CD is not loaded, the eject prohibition means 48 will not be in the prohibition state. Therefore, the button operation of the eject switch 28 is accepted by the control means 18 and the medium insertion / ejection means 16 is activated. In operation, the tray 14 projects from the body 12 as shown in FIG. 3 and a CD can be loaded. Also, since the operation switches other than the eject switch are accepted even in the lock mode, after that, the play / pause switch 30
It is possible to perform playback by pressing, stop the playback by operating the stop switch 36, and perform other normal operations.

In the flow charts of FIGS. 6 and 7,
Set and release the lock mode by pressing the stop switch 36
Although it was performed by pressing and holding for more than a second, as described above, the lock mode may be set and released by inputting a personal identification number (for example, 999) of an arbitrary number of digits using the numeric keypad 40. The lock mode can be set and released by other appropriate means.

In the above embodiment, the eject operation is prohibited when the disc is loaded in the player in the lock mode of the CD player, but only the eject operation is performed in the lock mode even when the disc is not loaded in the player. May be prohibited. By doing so, as described above, it is possible to prevent the infant from damaging the structurally weak tray in a protruding state by mischief.

In the above embodiment, the case where the present invention is applied to the CD player has been described. However, if the recording medium is loaded or ejected using the medium inserting / removing means, the cassette deck, The present invention can be applied to a video deck and other players.

[0029]

As described above, according to the present invention, the ejecting operation of the recording medium of the player such as the audio player or the video player is prohibited, so that the recording medium such as the CD loaded in the player is stolen. In addition, there is a practical advantage that the recording medium is not accidentally ejected by an infant and the recording medium is not damaged or lost.

Further, even in the lock mode, since operations other than the eject operation are accepted, it is possible to perform normal operations such as reproduction, stop, etc., and therefore, it is possible to listen to a recording medium at a store such as a CD without any trouble. It can be carried out.

Further, even if the recording medium of the player is not loaded, if only the ejecting operation is prohibited in the lock mode, the infant performs the ejecting operation to damage the structurally weak tray by mischief with the tray as the protruding position. Can be reliably prevented.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of a player C to which the present invention is applied.
It is a front view of a D player.

FIG. 2 is an enlarged perspective view showing the tray of the CD player of FIG. 1 in a storage position.

FIG. 3 is an enlarged perspective view showing the tray of the CD player of FIG. 1 in a protruding position.

FIG. 4 is a system diagram showing the principle of the recording medium eject prohibiting apparatus of the present invention.

FIG. 5 is a flowchart for explaining the operation of the recording medium eject prohibiting apparatus of the present invention.

FIG. 6 is a flowchart for explaining an operation when setting a lock mode in the recording medium eject prohibiting apparatus of the present invention.

FIG. 7 is a flowchart for explaining the operation when releasing the lock mode in the recording medium eject prohibiting apparatus of the present invention.

[Explanation of symbols]

 10 CD Player 12 Body 14 Tray 14A Disc Loading Recess 16 Media Inserting / Removing Means 18 Control Means 20 Operating Section 22 Mechanism Section 24 Display Section 26 Power Switch 28 Eject Switch 30 Play / Pause Switch 32 First Forward Switch 34 Reverse Switch 36 Stop switch 38 Display 40 Numeric keypad 42 Rack 44 Pinion 46 Drive motor 48 Eject prohibition means 50 Mode setting / release means 52 Prohibition switch

Claims (3)

[Claims] 1. A player provided with a medium inserting / removing means for loading / ejecting a recording medium and a control means for controlling the medium inserting / removing means, wherein only the ejecting operation of the medium inserting / removing means is performed in a lock mode of the player. A recording medium eject prohibiting apparatus for a player, further comprising eject prohibiting means for prohibiting and mode setting / releasing means for setting / releasing the lock mode. 2. The recording medium eject prohibiting apparatus for a player according to claim 1, wherein only the ejecting operation of the medium inserting / removing means is performed when a recording medium is loaded in the player in the lock mode of the player. A recording medium eject prohibiting device for a player, which is forbidden. 3. The recording medium eject prohibiting apparatus for a player according to claim 1 or 2, wherein the eject prohibiting means is provided in the control means. Prohibition device.