JPH08185662A - Disk reproducing device and card used for it - Google Patents

Abstract

PURPOSE: To provide a disk reproducing device capable of easily specifying an address even a little child. CONSTITUTION: Whether or not identification marks 18, 19, 20 on cards 14, 15, 16 specify an index number is judged. When it is judged that they specify the index number, the specified index number is decided. On the other hand, whether or not the beforehand registered index number exists is judged, and when no registered index number, the decided index number is registered, and when the registered index number exists, the registered index number is updated and registered to the decided index number. Further, whether or not the cards 14, 15, 16 specify a track number is judged, and when it is judged that they specify the track number, the specified track number is decided. Then, a command accessing the parts of the decided track number and the registered index number is outputted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for reproducing a disc such as a CD (Compact Disc) on which acoustic information is recorded, and a card used for the apparatus.

[0002]

2. Description of the Related Art A disk reproduction in which a CD having a plurality of recorded music is mounted, a digital signal read from the CD is converted into an analog signal by a pickup arranged so as to face the CD, and the music is output from a speaker. There is a device. In such a device, the music selection button provided on the main body or the ten key provided on the remote controller is operated to perform music selection to reproduce a desired music from the CD.

However, since it is difficult for an infant to perform a music selection operation in the above-mentioned disc reproducing apparatus, it has been disclosed in Japanese Patent Laid-Open No. 4-44.
The following disk reproducing device is proposed in Japanese Patent No. 666. This is because a card in which a plurality of holes are formed in association with a track number on which a music piece is recorded is fitted into a card insertion groove provided in the main body, and a plurality of optical sensors arranged in the card insertion groove cause the card to The presence / absence of the opened hole and its position are detected to determine the track number designated by the card, and the track number is accessed to reproduce the required music. In such a disc reproducing apparatus, a picture, lyrics, etc. relating to the music designated by the card are described on the card, and the infant can play the card of the main body based on the picture, lyrics, etc. described on the card. Replace it and play the required music.

[0004]

However, the above-described conventional disc reproducing apparatus has the following problems when it is applied to language education and the like. In the CD track used for language education, each of a plurality of areas with track numbers is further divided into a plurality of areas,
They are indexed. And
An address is composed of a track number and an index number. The track number and the index number can be used from 00 to 99 according to the standard, so that the CD can have a maximum of 1 × 10 ⁴ types of addresses. Therefore, for example, it is possible to add an index number to each sentence of a sentence recorded on one track, and repeat and learn only the sentence of the required index number. However, in order to deal with this, a large number of cards with holes for identifying addresses are required, which is not practical.

On the other hand, as for the CD on which the words are recorded, for example, CDs for beginners, intermediates, and advanced players are prepared respectively, and the CDs are exchanged appropriately according to the progress of learning. However, it is difficult for an infant to exchange CDs. Further, there is a problem that the cost is high because the beginner's, intermediate and advanced CDs are required respectively.

The present invention has been made in view of the above circumstances, and an object thereof is to enable a child to easily specify an address by discriminating a track number and an index number for each by a card. A disc reproducing apparatus is provided. Also,
Another object of the present invention is to make it possible to use a disc in which contents of different levels are recorded by accessing a portion determined by the registered index number and the determined track number, and the cost can be reduced. It is to provide a reproducing apparatus.

[0007]

A disc reproducing apparatus according to a first aspect of the present invention includes a plurality of areas each having a track number and a plurality of areas each having an index number. Information is recorded in each of the areas. Access to a specified track number in a disc reproducing apparatus which mounts a disc on which the disc is mounted, identifies an identification mark of a card having an identification mark for instructing access to the disc, and reproduces information recorded on the disc. Means for judging whether or not the identification mark of the card having the identification mark indicating the index number or the identification mark indicating the access to the specified index number specifies the index number, and determining that the index number is specified In that case, means for determining the specified index number, means for registering the index number, Index number, a means for determining whether or not there is a registered index number, a means for renewing registration to the determined index number if there is a registered index number, and an identification mark for the card. Means to determine whether or not a track number is specified, and if it is determined that a track number is specified, a means to determine the specified track number, the determined track number and the registered index. And a means for outputting a command to access the number area.

The disk reproducing apparatus according to the second invention is the first
In addition to the invention, further, a counting means for counting the track number, and an identification mark of a card having the identification mark or an identification mark for instructing repeated reproduction, a means for judging whether or not the repeated reproduction is instructed, When it is judged that the repetitive reproduction is instructed, a means for setting a predetermined value in the counting means, and a command for accessing the track number corresponding to the set value of the counting means and the area of the registered index number are output. Means, a means for determining whether or not the reproduction related to the area is completed, and a means for updating the value of the counting means when it is determined that the reproduction is completed.

The card according to the third aspect of the present invention comprises a plurality of areas each having a track number and a plurality of areas each having an index number, and a disk in which information is recorded in each area is mounted. In a card having an identification mark for instructing access to the disc to the disc reproducing device, an identification mark for instructing access to a designated track number, an identification mark for instructing access to a designated index number, or repeated reproduction It is characterized by having an identification mark for indicating.

[0010]

In the disc reproducing apparatus of the first aspect of the invention, the disc having a plurality of areas to which the track numbers are attached respectively has a plurality of portions to which the index numbers are attached, and information is recorded in each portion. Is mounted, and it is determined whether or not the identification mark indicating the access to the designated track number or the identification mark of the card having the identification mark indicating the access to the designated index number designates the index number. . When it is determined that the index number is designated, the index number designated by the identification mark is determined.

On the other hand, it is judged whether or not there is an index number already registered. If there is no registered index number, the judged index number is registered in, for example, a predetermined area of the storage unit and registered in that area. If there is an index number, the index number is updated and registered to the determined index number. Further, it is determined whether or not the identification mark of the card specifies a track number, and when it is determined that the track number is specified, the specified track number is determined. Then, a command to access the determined track number and the part of the registered index number is output.

Therefore, when the index number is registered, the area of the same index number is reproduced with a different track number. Also, when only the index number is specified, the part of the specified index number in the track number to be accessed is reproduced when the access is in progress, and the specified index number in the track number is reproduced. . On the other hand, when only the track number is designated, the head index number part of the track number is reproduced.

In the disc reproducing apparatus of the second invention,
Further, whether the identification mark indicating access to the specified track number, the identification mark indicating access to the specified index number, or the identification mark of the identification mark card indicating repeated reproduction indicates the repeated reproduction or not. If it is determined that the repeat reproduction is instructed, for example, the value of the head number of the track number to be reproduced is set in the counting means for counting the track number.
Then, a command to access the track number corresponding to the set value of the counting means and the area of the registered index number is output, and it is judged whether or not the reproduction of the accessed area is completed, and it is judged that the reproduction is completed. In that case, the value of the counting means is updated. By this, the information of the area of the same index number between each track number,
The tracks are played in order of track number.

In the card of the third aspect of the present invention, three types of cards are used to instruct the reproduction of the area of the designated track number, the reproduction instruction of the area of the designated index number, or the repeated reproduction. As a result, a specific address is designated by a combination of a card having an identification mark designating a track number and a card having an identification mark designating an index number. On the other hand, a card having an identification mark that specifies the index number,
The index numbers are the same depending on the combination of the cards having the identification mark for instructing the repeated reproduction, and the repeated reproduction is instructed in the order of the track numbers.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the drawings showing the embodiments thereof. FIG. 1 is a perspective view showing the outer appearance of a disc reproducing apparatus according to the present invention, in which 1 is a main body.
A lid 3 having a transparent window 2 is provided substantially in the center of the upper surface of the main body 1. An open button 4 is provided at a corner of the upper surface of the main body 1, and the lid 3 is opened upward by the operation of the open button 4 to mount the CD on the main body 1, and the lid 3 is closed by the pressing force of the user. It is designed to be used.

At one edge of the main body 1, a stop button for stopping the reproduction of the CD at a predetermined distance from the open button 5, a reproduction button for starting the reproduction 6, and a forward skip of the track number. A button operation unit 9 is provided in which a forward skip button 7 and a backward skip button 8 for performing the operation are arranged in this order. Further, on the side surface of the main body 1, there is provided a display 13 for displaying a track number, an index number, a reproduction time and the like.

On the other edge of the main body 1, there is provided a speaker sound emitting portion 11 for emitting sound from a speaker (see FIG. 2) attached to the back surface of the main body 1, and an adjusting knob for adjusting the volume of the speaker is provided in the vicinity thereof. Ten is arranged. A slit 12 is provided between the speaker sound emitting section 11 and the lid body 3.
In FIG. 12, a track designating card 14 having an identification mark 18 for designating a track number in which a plurality of holes 17, 17, ... Is formed for discrimination, an index designating card 15 having an identification mark 19 for designating an index number, or A repeat card 16 having an identification mark 20 for instructing repeated reproduction in the order of track numbers is inserted. A reading device, which will be described later, is arranged in the slit 12, and the identification marks 18, 19, 20 are read by the reading device.

Seven or less holes 17, 17, ... Are opened at predetermined positions on one edge of each of the cards 14, 15, 16. With respect to such cards 14, 15, 16 it is possible to create 2 ⁷ −1 = 127 types depending on whether or not the holes 17, 17, ... Are opened. For example, when a 99-track CD is used, 99 types are available. Track designation card 14, 27 types of index designation card 15, 1 type of repeat card
16 can be created. 99 tracks, 99
To specify all of the indexes, eight holes should be opened. This gives a total of 19 tracks including the track specifying card 14 and the index specifying card 15.
All eight tracks can specify 99 tracks and 99 indexes.

Further, the track designating card 14 and the index designating card 15 are provided with pictures, characters and the like according to the information recorded on the CD to be used. On the other hand, the repeat card 16 also has pictorial diagrams, characters, etc., indicating the instruction operation. As a result, the user can specify the required track designation card based on the pictures, characters, etc. written on it.
The track number or index number can be designated by selecting 14 or the index designation card 15 and inserting it into the slit 12. Also, the repeat card 16 can be inserted into the slit 12 to instruct repeated reproduction.

FIG. 2 is a block diagram showing the configuration of the disc reproducing apparatus shown in FIG. 1, and 31 in the figure is a disc rotating device. A CD 30 is mounted on the disc rotating device 31, and a pickup 32 is arranged so as to face the CD 30 so as to be movable in the radial direction of the CD 30. The pickup 32 is moved by a sled motor (not shown), and the rotation operation of the sled motor and the disk rotating device 31, and the operation of the objective lens of the pickup 32 are controlled by the servo control circuit 33. Further, the servo control circuit 33 includes a microcomputer 34 and a disk rotation device.
31 rotation start / stop signals, sled motor drive signals, etc. are given.

In the microcomputer 34, a reproduction start signal, a reproduction stop signal, a forward skip signal of a track number, a forward skip signal, etc. from the button operation section 9 shown in FIG. 1 and the slit 12 (see FIG. 1). A reading signal indicating the number and position of holes formed in the track designating card 14, the index designating card 15 or the repeat card 16 (both see FIG. 1) inserted in the slit is read from the reading device 45 disposed inside. And the microcomputer 34 is based on these signals.
Give a command signal to 33. In addition, the microcomputer 34
It has a counter 34a, which will be described later, and a storage section 34b for storing a track number and an index number.

When the pickup 32 accesses the required area of the CD 30 by the drive control of the servo control circuit 33, the pickup 32 reads the information recorded on the CD 30 as a digital signal and gives it to the signal processing circuit 36. The signal processing circuit 36 demodulates the given digital signal,
It is supplied to the digital / analog converter (D / AC) 37 and the microcomputer 34. The digital signal given to the D / AC 37 is converted into an analog signal there, and after unnecessary components are removed by a low pass filter (LPF) 38, it is amplified by an amplifier 39 and output from a speaker 40.

The above-mentioned CD 30 has TOC (Table Of Contents) information including information such as the track number provided in the CD 30 and the recording time of each track number recorded therein, and the microcomputer 34 stores the TOC information. At the same time, the stored TOC information is given to the display circuit 41 and displayed on the display 13 (see FIG. 1).

A reader is provided on one surface of the slit 12 described above.
Forty-five light emitting diodes L1 to L7 are arranged at a predetermined distance from each other, and phototransistors P1 to
P7 is arranged corresponding to the light emitting diodes L1 to L7. Holes formed in the above-mentioned track specifying card 14, index specifying card 15, and repeat card 16
, 17 are opened corresponding to the light emitting diodes L1 to L7 and the phototransistors P1 to P7, and the light emitted from the light emitting diodes L1 to L7 is the card.
The light passes through the holes 17, 17, ... Of 14, 15, 16 and enters the phototransistors P1 to P7.

The + B voltage is applied to the anodes of the light emitting diodes L1 to L7, and the cathodes are grounded. The collectors of the phototransistors P1 to P7 are connected to the microcomputer 34, respectively, and the + B voltage is applied thereto, and the emitters thereof are grounded. Therefore, when the light from the light emitting diodes L1 to L7 reaches the phototransistors P1 to P7, the phototransistors P1 to P7 are in the ON state, and the microcomputer 34 causes the track designating card 14, the index designating card 15 or the repeat card. Recognize that holes 17, 17, ... Are opened at 16 corresponding positions. On the other hand, when the light from the light emitting diodes L1 to L7 does not reach the phototransistors P1 to P7, the phototransistor P1
.. to P7 are in the off state, and the microcomputer 34 recognizes that the holes 17, 17, ... Are not formed at the corresponding positions of the track designating card 14, the index designating card 15 or the repeat card 16.

Further, a detection switch 46 for detecting the insertion of a card is provided in the slit 12, and when the card is inserted in the slit 12, the switch is turned on, and the microcomputer 34 is set in the slit 12. Recognize that a card has been inserted into.

The microcomputer 34 uses the track number designated by the track designation card 14, the index number designated by the index designation card 15, or the repeat card 16 depending on the ON / OFF states of the phototransistors P1 to P7. The instruction of repetitive reproduction is judged and a command signal is given to the servo control circuit 33 to move the pickup 32 to access a required area of the CD 30.

FIGS. 3, 4 and 5 are flow charts showing the procedure for accessing the CD. When there is an instruction to reproduce the CD30, the microcomputer 34 outputs a command signal to access the beginning of the track number of the CD30, and C
When the TOC information is read from D30, it is stored in the storage unit 34.
It is stored in b (step S1), and the tracks are accessed in order of the track number until a card detection signal is given from the card detection switch (step S2).

When a signal is given from the reader 45, the microcomputer 34 judges whether or not the given signal specifies an index number (step S).
3) If it is determined that the signal is an index number designating signal, the microcomputer 34 determines which index number it has (step S4) and stores the determined index number in the storage unit 34b (step S).
5). Next, it is determined whether or not there is an index number registered in a predetermined area (means for registering the index number) of the storage unit 34b (step S6), and if there is not, a new registration is performed (step S8). If there is an index number registered in a predetermined area of the storage unit 34b, the index number is updated and registered in the stored index number (step S7). Then, the microcomputer 34 outputs a command to access the part of the index number which is registered or updated and registered, as described above, in the currently accessed track number (step S9).

If it is determined in step S3 that the index number is not designated, it is determined whether or not the signal given from the reading device 45 designates the track number (step S10). If so, the microcomputer 34 determines which track number it has (step S11). On the other hand, the microcomputer 34 judges whether or not there is a registered index number (step S12), and if there is, outputs a command to access the part determined by the judged track number and the registered index number. If there is no registered index number (step S13), a command for accessing the leading index number part of the determined track number is output (step S13).
14).

On the other hand, when it is determined in step S10 that the track number is not designated, the microcomputer 34 determines whether or not the signal given from the reading device 45 is for instructing repeated reproduction (step S10). S20), and if so, it is further determined whether or not there is a registered index number (step S21). When there is a registered index number, the value of the track counting counter 34a provided in the microcomputer 34 is set to the head value of the track number to be reproduced (step S22), and the track number and the registered index are set. A command to access the part determined by the number is output (step S23).

The microcomputer 34 judges whether or not the reproduction of the index number is completed based on the TOC information (step S24), and if it is judged that the reproduction is completed,
It is judged whether or not the value of the track counting counter 34a is the same as the final track number to be reproduced (step S25). If it is not the same, the value of the counter 34a is incremented by 1 (step S26) and the step is performed. Return to S23. On the other hand, if the value of the counter 34a is the same as the final track number to be reproduced, the process returns to step S22, and as before, a command for sequentially accessing from the head of the track number to be reproduced is output.

[0033]

As described above in detail, in the disc reproducing apparatus according to the first aspect of the present invention, a predetermined track number and index number can be individually specified by using a card, so that even a young child can easily do so. You can specify the address. Also, if an index is registered, the information of the same index number is reproduced even if the track number is changed. Therefore, for example, the first index is a word for beginners, the second index is a word for intermediate, and the like. If you use a disc with advanced words recorded in the 3 index,
By registering the index, the words for beginners can be played at different track numbers. Therefore, software of different levels can be recorded on one disc, and the cost is low. Furthermore, even an infant can easily change the level such as beginner, intermediate, and advanced without replacing the disc.

In the disc reproducing apparatus according to the second aspect of the present invention, even for infants, for example, intermediate-level words can be repeatedly reproduced in the order of track numbers, and the learning effect is high.

In the card of the third invention, since the track number and the index number are designated separately, the address can be designated with the minimum number of sheets, and for a disc divided into 99 tracks and 99 indexes. However, the present invention has an excellent effect that addressing by a card can be practically performed.

[Brief description of drawings]

FIG. 1 is a perspective view showing an external appearance of a disc reproducing apparatus according to the present invention.

FIG. 2 is a block diagram showing a configuration of the disc reproducing apparatus shown in FIG.

FIG. 3 is a flowchart showing a procedure for accessing a CD.

FIG. 4 is a flowchart showing a procedure for accessing a CD.

FIG. 5 is a flowchart showing a procedure for accessing a CD.

[Explanation of symbols]

 1 Main Body 12 Slit 14 Track Designating Card 15 Index Designating Card 16 Repeat Card 34 Microcomputer 34a Counter 34b Storage Unit 45 Reader

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[Procedure amendment]

[Submission date] January 10, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0021

[Correction method] Change

[Correction content]

The reproduction start signal from the button operating section 9 shown in FIG. 1 the microcomputer 34, the reproduction stop signal, forward skip signal track number, and a reverse skip signal, etc., and a slit 12 (see FIG. 1) A reading signal indicating the number and position of holes formed in the track designating card 14, the index designating card 15 or the repeat card 16 (both see FIG. 1) inserted in the slit is read from the reading device 45 disposed inside. And the microcomputer 34 is based on these signals.
Give a command signal to 33. In addition, the microcomputer 34
It has a counter 34a, which will be described later, and a storage section 34b for storing a track number and an index number.

Claims (3)

[Claims] 1. A plurality of areas each having a track number are provided with a plurality of portions each having an index number, a disc having information recorded therein is mounted, and access to the disc is performed. In a disc reproducing apparatus for identifying the identification mark of a card having an indication mark for indicating and reproducing the information recorded on the disc, an identification mark for instructing access to a designated track number or an access to a designated index number Means for determining whether or not the identification mark of the card having the identification mark indicating the index number is designated, and means for determining the designated index number if it is determined that the index number is designated, The means to register the index number, the means to register the index number, and the registered Means for determining whether or not there is an index number, means for updating and registering the determined index number if there is a registered index number, and whether or not the identification mark of the card specifies a track number. A means for judging, a means for judging the specified track number when it is judged that a track number is specified, and a means for outputting a command for accessing the area of the judged track number and the registered index number. A disc reproducing apparatus comprising: 2. A counting means for counting the track number, and a means for judging whether or not the identification mark of the card having the identification mark or the identification mark for instructing the repeated reproduction indicates the repeated reproduction. When it is judged that the repetitive reproduction is instructed, a means for setting a predetermined value in the counting means, and a command for accessing the track number corresponding to the set value of the counting means and the area of the registered index number are output. 2. The disc reproducing apparatus according to claim 1, further comprising: means for performing, a means for determining whether or not the reproduction of the area is completed, and a means for updating the value of the counting means when the reproduction is judged to be completed. 3. A disc reproducing apparatus equipped with a disc in which each of the plurality of regions to which track numbers are attached has a plurality of portions to which index numbers are attached, and a disc in which information is recorded in each portion is mounted on the disc reproducing apparatus. A card having an identification mark indicating access to a disc has an identification mark indicating access to a specified track number, an identification mark indicating access to a specified index number, or an identification mark indicating repeated reproduction. A card characterized by that.