JPH0765564A - Portable player - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to a CD insertion lid opening / closing mechanism for inserting / removing an information medium such as a CD in a portable player, and opening / closing the lid when the device is upside down or the information medium insertion port is facing downward. The operation is restricted to prevent the information medium from falling. [Structure] When the apparatus body 1 is in a normal state in which the lid 9 is on the upper side, the weight 18 is positioned by its own weight at the second position P2 on the bottom surface side of the apparatus body 1 which is restricted by the guide 19, and the unlocking means 10 is operated. When it is pushed in the direction of arrow A, it moves as shown by the broken line, the engagement between the hook-shaped protrusion 16 and the engagement recess 17 is released, and the lid 9 is opened. On the other hand, when the apparatus main body is turned upside down or the CD insertion port is turned down, the weight 18 moves to the first position P1 on the lid 9 side and restricts the movement of the unlocking means 10, so the lid 9 does not open and the CD Can be prevented from falling.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable player for reproducing information media such as compact discs.

[0002]

2. Description of the Related Art In recent years, along with the computerization of various software, music software and document compact discs (hereinafter referred to as CDs).
The number of information media stored in is increasing. Especially, the spread of CD as music software is remarkable.
Further, recently, a CD containing various documents has been put on the market, and not only the conventional music CD reproducing device but also a document software reproducing device is increasing in demand. Along with the diversification of lifestyles, small-sized portable reproducing apparatuses that place importance on portability have emerged as these reproducing apparatuses have diversified lifestyles. In such a conventional portable playback device, it is usual to exchange the CD software on the spot. Normally, while holding the playback device with one hand, the lid of the CD insertion portion is opened, and the CD with the other hand. I'm exchanging software.

[0003]

However, in the conventional portable player, when the operator accidentally flips the device upside down or with the CD insertion opening side down, the CD insertion portion is opened. There is a possibility that the CD may drop from the device and damage or damage the CD software.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide a portable CD player capable of preventing damage to CD software due to misuse.

[0005]

In order to achieve the above object, the present invention comprises a lid which is openably and closably attached to a main body of an apparatus for taking in and out an information medium, and a locking means for holding the lid in a locked state when the lid is closed. , A lock releasing means for releasing the lock means, a first position for restricting the operation of the lock releasing means, and a lock release restricting means movably held in a second position for not restricting the lock releasing means. It is a thing.

According to the present invention, the lid is provided on the top surface side of the main body of the apparatus, and a lock release restricting member that moves by its own weight is provided as lock release restricting means. When this member is located on the top surface side or the CD insertion opening side. The first position for restricting the operation of the unlocking means is adopted.

[0007]

According to the present invention, the lock means cannot be released unless the lock release restricting means is moved to the second position where the operation of the lock release means is not restricted. It is possible to prevent the information medium from falling without being lost.

Further, according to the present invention, when the device is upside down or the insertion side of the information medium is down, the lock release restricting member is moved to the top side of the device or the insertion side of the information medium by its own weight and locked. Since the operation of the releasing means is regulated and the opening of the lid is prevented, it is possible to prevent the information medium from being damaged by accidentally opening the lid.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an electronic book player as a portable player according to an embodiment of the present invention. The electronic book player is a device capable of playing back an 8 cm CD stored in a disc cassette and searching for software contents. There are 8cmCDs that contain text software such as dictionaries and documents in addition to those that contain music software. When using these softwares, you can see the screen displaying the contents and display the necessary information. You can search. In FIG. 1, reference numeral 1 is an apparatus main body in which a reading means for an 8 cm CD and the like are housed. Reference numeral 2 denotes a top cover which is attached to the main body 1 of the apparatus on the top side (the side which is the upper side in a normal use state) so as to be openable and closable by a hinge. Reference numeral 3 denotes a keyboard on which keys used for software search and the like and various instruction keys are arranged. The top cover 2 covers the keyboard 3 when closed. Reference numeral 4 is a jack for connecting a headphone or an external speaker when reproducing music software. Reference numeral 5 is a volume for volume control. Reference numeral 6 denotes an LCD provided on the inner surface side of the top cover 2 for displaying search information and the like. Reference numeral 7 is an off switch, and 8 is an on switch. Reference numeral 9 denotes a lid which has a keyboard 3 arranged on the upper surface and a disk holder for mounting an 8 cm CD on the lower surface, and which is attached inside the top cover 2 by a hinge so as to cover the apparatus main body 1 by a hinge. Is. The lid 9 is prevented from being opened by the apparatus main body 1 by a locking means. 1
Reference numeral 0 is a lock releasing means for releasing the lock means and opening the lid 9.

FIG. 2 is a perspective view showing a state in which the lid 9 of the electronic book player is opened. In FIG.
Reference numeral 11 is a disk cassette containing an 8 cm CD.
The cmCD is rotatably held in the case. 12
Is a disc holder for inserting and guiding the disc cassette 11, and interlocking with opening and closing of the lid 9 causes the disc cassette 11 to be attached and detached. Reference numeral 13 is a drive unit housed in the apparatus body 1. Reference numeral 14 is a turntable for rotating an 8 cm CD in the disc cassette 11 during soft reproduction. The turntable 14 has a projection of 8 cm
It engages with the hole in the center of the CD and rotates. Reference numeral 15 is a pickup lens for reading data of 8 cm CD.

FIG. 3 is a schematic sectional view schematically showing a lid opening / closing mechanism in the electronic book player. In FIG. 3, reference numeral 16 is a hook-shaped projection formed on the tip of the unlocking means 10. Reference numeral 17 is an engagement recess provided on the lid 9 and engaged with the hook-shaped projection 16. The hook-shaped protrusion 16 and the engagement recess 17 constitute a locking means. Reference numeral 18 denotes a weight that is held in the apparatus body 1 so as to be bidirectionally movable from the top surface side to the bottom surface side. Reference numeral 19 is a guide for guiding the movement of the weight 18, and is provided with an escape hole 19a that allows the lock releasing means 10 to move in the A direction. The weight 18 is the guide 1
It moves within 9 by its own weight to take a first position P1 that restricts the operation of the unlocking means 10 and a second position P2 that does not restrict it. The weight 18 and the guide 19 for guiding the weight constitute a lock release restricting means. Reference numeral 20 is a hinge for opening and closing the lid 9 with respect to the apparatus body.

Next, the operation of the above embodiment will be described. When the electronic book player is in the normal state, that is, when the lid 9 side is facing upward, the weight 18 is guided by the guide 19 and moves to the second position P2 on the bottom surface side of the apparatus body 1 by its own weight. At this time, when the lock releasing means 10 is pressed in the direction of the arrow A, the lock releasing means 10 moves through the clearance hole 19a of the guide 19 as shown by a broken line, and the engagement between the hook-shaped protrusion 16 and the engaging recess 17 is made. Disengaged, lid 9 hinge 2
It is opened around 0 by the force of a spring (not shown).

On the other hand, when the electronic book player is turned upside down or inclined from there, the weight 18 moves to the first position P1 or its vicinity by its own weight. Here, when the lock releasing means 10 is pressed in the direction of the arrow A, the weight 18 restricts the movement of the lock releasing means 10 and the engagement between the hook-shaped protrusion 16 and the engaging recess 17 cannot be released. Therefore,
The lid 9 cannot be opened, and the disc cassette 11 in the apparatus body 1 does not drop from the disc holder 12. When the electronic book player is returned to the normal state, the weight 18 returns to the second position P2, and the lid 9 can be opened.

FIG. 4 shows a modification of FIG. In the case of the electronic book player shown in FIGS. 1 and 2, even if the lid 9 is accidentally opened with the CD insertion slot B side facing downward, the disc cassette 11 will fall from the disc holder 12. Therefore, in FIG. 4, when the electronic book player is oriented with the CD insertion slot B side facing downward, the weight 18 ′ is adjusted so that the ball-shaped weight 18 ′ always regulates the operation of the unlocking means 10. The bottom surface side of the guide 19 'to be guided is curved toward the CD insertion side. Therefore, when the electronic book player faces the CD insertion slot B side downward, the weight 18 'is located at the first position P1 or in the vicinity of the first position P1. The engagement between the engagement recess 16 and the engagement recess 17 does not come off, and the lid 9 does not open, so that the disc cassette 11 does not drop from the disc holder 12. In addition, if the e-book player is returned to the normal use condition, the weight 18 '
Is located at the second position P2, the unlocking means 10 can be pushed through the clearance hole 19'a of the guide 19 'and the lid 9 can be opened.

Although the above embodiment is an example in which a disc cassette is used as an information medium, the present invention can be applied to a portable player using a compact disc or a cassette tape which does not use a cassette.

[0016]

As is apparent from the above description, according to the present invention, the apparatus main body is provided with the lock release restricting means, and the lock release restricting means is moved to the second position where the operation of the lock releasing means is not restricted. Unless it is possible to release the locking means without it, you do not accidentally open the lid,
It is possible to prevent the information medium from falling.

Further, according to the present invention, when the device is upside down or the insertion side of the information medium is in the downward direction, the lock release restricting member is moved to the top side of the device or the insertion side of the information medium by its own weight to lock. Since the opening of the lid is prevented by restricting the operation of the releasing means, it is possible to prevent the information medium from falling without accidentally opening the lid.

[Brief description of drawings]

FIG. 1 is a perspective view showing an external appearance of an electronic book player according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state where a top cover and a lid of the electronic book player are opened.

FIG. 3 is a schematic cross-sectional view schematically showing a lid opening / closing mechanism of the electronic book player.

FIG. 4 is a schematic cross-sectional view showing another example of the lid opening / closing mechanism of the electronic book player.

[Explanation of symbols]

 1 Device Main Body 2 Top Cover 3 Keyboard 9 Lid 10 Lock Release Means 11 Disc Cassette 12 Disc Holder 16 Hook Type Protrusion 17 Engagement Recessed 18, 18 'Weight 19, 19' Guide 19a, 19'a Escape Hole 20 Hinge P1 No. 1st position P2 2nd position

Claims (3)

[Claims] 1. A lid which is openably and closably attached to an apparatus main body for loading and unloading an information medium, locking means for locking and holding the lid when closed, unlocking means for releasing the locking means, and the unlocking. A portable player provided with a lock release restricting means that is movably held by a device main body in a first position that restricts the operation of the means and a second position that does not restrict the operation. 2. A lid is attached to the top surface side of the apparatus body so as to be openable and closable, and a lock release restriction member that is movable by its own weight is provided on the top surface side and the bottom surface side of the apparatus body as lock release restriction means. 2. The portable player according to claim 1, wherein the release restricting member takes a first position when it is located on the top surface side and a second position when it is located on the bottom surface side. 3. The mobile phone according to claim 2, wherein the lock release restricting member takes a first position when the lock releasing restricting member is positioned on the insertion opening side of the information medium, and takes a second position when positioned on the insertion arm side direction. Expression player.