KR19990078472A - Digital audio data player for cassette player - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital audio data player (P) that can be mounted and used in a cassette player, and provides a cassette deck (120) to provide a structure that can be mounted and used in a portable player and a cassette player. ), Reel insertion holes 11, 12, 21, and 22 are formed so that the reels 121 and 122 of the reel are inserted and rotated, and the lower cases 10 and 20, and the upper and lower cases. (10) 20, the circuit board 30 is installed inside the contact terminal 39 provided on one side of the circuit board 30 so as to receive data from a peripheral device such as a computer body, and the like, The storage means for storing data, and the rotational transmission unit 40 for driving the other reel 122 by transmitting the rotational force according to the operating state of the one reel 121, the general cassette deck 120 Being able to use on the existing portable It is more versatile than other products, and it is possible to reduce the size and weight. Especially, it can be applied to the car audio system 130 so that the voice can be transmitted through the external speaker. It relates to a digital audio data player for a cassette player.

Description

Digital audio data player for cassette player

The present invention relates to a digital audio data player that can be mounted and used in a cassette player. Particularly, the present invention relates to a digital audio data player, in which a shape is formed in a cassette shape and the storage means can be rotated in the inside. Or it relates to a digital audio data player for a cassette player that can be installed in the cassette deck of the home audio system as in the case of a conventional cassette can be used without earphones.

In recent years, digital audio can be downloaded using a computer to download and load various digital audio data files such as MP3, RA, WAVE, MIDI, etc. Digital audio data players have been developed and used.

Digital audio data player (P) that is currently widely distributed as shown in Figures 1a and 1b, the main body 100 is provided with a liquid crystal display 101, operation buttons 102 and jacks 103, The earphone 106 is used to insert and connect to the jack 103 of the main body 100, and the charge battery 104 is built in one side of the main body 100 to supply power. As shown in the figure, the operation button 102 is provided on the front portion of the main body 100, the contact terminal 105 is exposed on the rear portion.

The operation button 102 is a means for the user to freely operate the volume control, selection and performance selection, and the like, the liquid crystal display 101 is a means for visually confirming the operation state, the contact terminal 105 Is a contact unit for enabling transmission and reception of a peripheral device such as a computer and charging of a product.

2 illustrates a configuration of a general peripheral device for transmitting and charging data downloaded to the computer 110 to the digital audio data player P. As shown in FIG. As shown in the figure, the peripheral device is charged with a computer 110 for downloading a data file desired by the user, and the main body 100 for charging and data transmission to the digital audio data player P. And a printer cable 111 connecting the transmitter 112 and the computer 110 and the charging transmitter 112.

The charging transmitter 112 has a receiving port 113 connected to the printer cable 111 at an outer end thereof, and contacts the contact terminal 105 of the digital audio data player P therein. The charging transmission terminal 114 is formed to protrude.

Referring to the charging and data receiving process of the general digital audio data player (P) configured as described above are as follows.

First, a data file desired by a user is stored (downloaded) in a computer 110 using a medium such as a communication, and a printer is connected between the printer port of the computer 110 main body and the receiving port 113 of the charging transmitter 112. Connection cable 111. In this case, a separate transmission program for transmitting the data file should be installed in the computer 110.

Next, the computer 110 is operated by mounting the digital audio data player P in the charging transmitter 112 so that the contact terminal 105 and the charging transmission terminal 114 come into contact with each other. The data is transferred to a flash memory, which is a storage means of the digital audio data player P, and the storage is completed.

However, the conventional digital audio data player (P) has the advantage that the user can download the desired data, edit freely, store and play, while the flash memory for storing the data is very expensive (total) production There was a problem that the cost will rise.

This is not profitable when compared with a conventional portable cassette player or a portable compact disc player.

In addition, the conventional digital audio data player (P) is made of a compact structure that does not have a built-in speaker, so the earphone 106 must be used, there is a problem that can not be freely selected listening conditions.

In addition, the conventional digital audio data player (P) is used alone, must be provided with the operation button 102, the liquid crystal display 101 and the earphone 106, a jack for connecting the earphone 106 Since the 103 must be provided, there is a limit in reducing the size and weight of the product.

Accordingly, the present invention has been made to solve the above-mentioned problems, the appearance is made in the form of a cassette and the reel can be rotated inside the portable use as well as a car or home audio system equipped with a separate speaker The purpose of the present invention is to provide a digital audio data player for a cassette player that can be used without earphones by inserting it in the cassette deck as in the case of a conventional cassette.

Another object of the present invention is to provide a digital audio data player for a cassette player, which enables the player to perform a corresponding operation even when the cassette deck is used in a cassette deck.

In addition, the present invention is to provide a digital audio data player for a cassette player that can reduce the production cost by being able to remove the existing liquid crystal display, operation buttons, earphones, etc. when the cassette deck is made exclusively. have.

1A and 1B illustrate an external structure of a general digital audio data player.

1A is a perspective view showing the structure of a front part provided with an operation button;

Figure 1b is a partial perspective view showing the structure of the rear portion provided with a contact terminal,

2 is a perspective view showing the configuration of a general peripheral device for transferring and charging downloaded data to a digital audio data player;

3 is an exploded perspective view showing the structure of a cassette player and a digital audio data player for a cassette player and a charging transmitter according to the present invention;

4 is an internal plan view of a digital audio data player according to the present invention mounted in a cassette deck and in contact with a head of the digital audio data player and a receiving head of the cassette deck;

5 is an enlarged view of a portion A according to FIG. 4;

6 is a cross-sectional view taken along the line B-B according to FIG.

7a and 7b are cross-sectional views taken along the line C-C according to FIG.

7A is a cross-sectional view of a state before a digital audio data player is mounted in a cassette deck according to the present invention;

7B is a cross-sectional view of a state in which the digital audio data player is mounted in a cassette deck and converted to a playback preparation step;

8 is a use state diagram illustrating an application example of the digital audio player according to the present invention.

** Description of symbols for the main parts of the drawing **

P; Digital audio data player 10; Upper case

11, 12, 21, 22, 31, 32; Reel insertion holes 13 and 14; Exposed hole

15; Operation buttons 16; LCD

16a; LCD display operation button 20; Lower case

23; Terminal hole 24; Rechargeable battery

30; Circuit board 33; head

34; Operation detecting unit 34a; First microswitch

34b; Second microswitch 34c; Third microswitch

35, 36; Tact switch 35a; jack

37, 38; Reel sensor 39; Contact terminal

40; Rotational transmission parts 41 and 42; Reelhub

41a, 42a; Gear teeth 43, 44, 45; Children gear

46; Reflector 50; earphone

110; Computer 111; Printer Cable

112; Charge transmitter 113; Receiving port

114; Charging transmitter terminal 120; Cassette deck

121, 122; Reel 123; Receiving head

124a, 124b; Pinch rollers 125; Guide shaft

126a, 126b; Capstan shaft 130; Car audio system

131; Cassette insertion hole 132; System LCD Display

133; System operation button

Digital audio data player for a cassette player according to the present invention for achieving the above-mentioned basic object is the upper, lower case, the upper, lower case, and the inner case of the reel insertion hole is formed so that the reel of the cassette deck is rotatable A circuit board installed in the circuit board, a contact terminal provided on one side of the circuit board to receive charge and data from a peripheral device, storage means for storing the downloaded data, and a signal detected by the storage means can be transmitted. The head provided on the circuit board, the operation sensing unit provided on the circuit board to detect whether the mode is switched to use alone or in the cassette deck, and transmits the rotational force of the reel to drive Rotation transmission unit, and the connection on the circuit board so that the earphone can be listened to when playing the storage means It characterized by consisting of the jack.

In addition, the digital audio data player for a cassette player according to the present invention for achieving another object as described above, the upper and lower cases, the upper and lower cases, the reel insertion hole is formed so that the reel of the cassette deck is rotatable A circuit board installed inside the case, a contact terminal provided on one side of the circuit board so as to receive data from a peripheral device, a storage means for storing the downloaded data, and an operation state of the one reel. It is characterized by consisting of a rotation transmission unit for transmitting the rotational force to drive the other reel.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

3 to 8 illustrate the structure of the present invention, and FIG. 3 illustrates a digital audio data player P for a cassette player according to the present invention, and a cassette deck 120 and a charging transmitter (P) on which the player P is mounted. 4 is an exploded perspective view showing the structure of FIG. 4, wherein the digital audio data player P is mounted in the cassette deck 120 so that the head 33 and the cassette deck 120 of the digital audio data player P are mounted. 5 is an enlarged view of a portion A according to FIG. 4, FIG. 6 is a cross-sectional view taken along line BB of FIG. 4, and FIGS. 7A and 7B are line CC of FIG. 4. 7A is a cross-sectional view of a state before the digital audio data player P is mounted in the cassette deck 120, and FIG. 7B is a digital audio data player P mounted in the cassette deck 120 and ready for playback. Sectional view of the state switched to step, FIG. 8 shows a use state diagram which shows an application example of the digital audio data player P. As shown in FIG.

First, it is assumed that the digital audio data player P according to the present invention is manufactured to be charged and transmitted using an existing peripheral device as shown in FIG. 2.

In addition, in the present invention, as described in the first object above, it is preferred to construct a combined digital audio data player (P) which can be used alone and mounted on the cassette deck 120 at the same time. To reveal.

As shown in the drawings presented above, the digital audio data player (P) for a cassette player according to the present invention inserts a reel in a corresponding position so that the reels 121 and 122 of the cassette deck 120 are inserted and rotated. The upper and lower cases 10 and 20 having the holes 11, 12, 21, and 22 formed therein, and the circuit board 30 provided inside the upper and lower cases 10 and 20. And a contact terminal 39 provided at one side of the circuit board 30 so as to receive charge and data from the computer 110, storage means (not shown) for storing the downloaded data, and storing the data. The head 33 provided on the circuit board 30 so as to transmit the signal detected by the means, and the circuit board 30 so as to detect whether the mode switching of the single or the cassette deck 120 is used or not. Rotating in combination with the operation sensing unit 34 provided on the), and the reels 121, 122 of the cassette deck 120 Rotational transmission unit 40 for transmitting and driving the power supply, a charge battery 24 for supplying power to the device, and the circuit board 30 is connected to the outside of the upper case 10 to enable the external operation of the device The control button 15 exposed to the outside, the liquid crystal display 16 connected to the circuit board 30 to be exposed to the outside of the upper case 10 so as to recognize the operating state of the device from the outside, It is composed of a jack 35a provided on the circuit board 30 so that the earphone 50 can be connected and listened during playback.

The upper case 10 has exposure holes 13 and 14 formed at predetermined positions so as to expose various operation buttons 15 and 16a and the liquid crystal display unit 16, respectively. In the above description, reference numeral 16a denotes a liquid crystal display operation button, and is for operation such as reset of the liquid crystal display unit 16.

In addition, the lower case 20 has a corner portion thereof to open and close, so that the rechargeable battery 24 can be detached therein, and a terminal hole 23 is formed at the position of the contact terminal 39.

The circuit board 30 is in contact with the operation buttons 15 and 16a at predetermined positions on the upper surface corresponding to the operation button 15 and the liquid crystal display operation button 16a. And reel insertion holes 31 and 32 are formed at both sides of the central portion thereof.

When the head 33 is mounted on the cassette deck 120, the head 33 contacts the receiving head 123 as shown in FIG. 4 to appropriately convert and transmit data stored in the storage means.

The operation detecting unit 34 is in contact with the guide shaft 125 of the cassette deck 120 to detect whether the first micro switch 34a and the pinch roller 124a of the cassette deck 120 ( And a second micro switch 34b and a third micro switch 34c which are in contact with each other and detect the operation thereof. In addition, reel sensors 37 and 38 for detecting the rotational speed of the reel 121 and 122 of the cassette deck 120 are respectively attached to the reel insertion holes 31 and 32 of the circuit board 30. It is.

On the other hand, the rotary transmission unit 40 is coupled to the reel 121, 122 of the cassette deck 120 and the plurality of reel hub (41, 42) and the gear teeth (41a, 42a) formed around the outer circumference It is composed of idle gears 43, 44, 45 which transmit the same rotational force to both reel hubs 41 and 42, respectively, by being arranged adjacent to each other between the reel hubs 41 and 42 to rotate. have. A motor is connected to any one of the idle gears 43, 44, and 45 so that forward and reverse rotation of the reel hubs 41 and 42 is possible.

As another embodiment of the rotational transmission portion 40 corresponding thereto, a pulley reel hub (not shown) coupled to the reels 121 and 122 of the cassette deck 120 and the two reel hubs are the same. It may be configured as a belt (not shown) for transmitting a rotational force.

In addition, in each embodiment of the rotation transmission unit 40, the reflection plate 46 is attached to one side of the reel hubs 41 and 42 can be configured to identify the rotation state. The reflecting plate 46 is repeatedly cross-printed with different widths of black and silver to detect the rotation state of the reels 121 and 122.

Referring to the working principle of the present invention configured as described above based on the accompanying drawings as follows.

The charging and data receiving process of the digital audio data player P according to the present invention is the same as before. That is, the data file desired by the user is stored (downloaded) in the computer 110 by using a medium such as a communication, and the printer is connected between the printer port of the computer 110 and the receiving port 113 of the charging transmitter 112. Connection cable 111. In this case, a separate transmission program for transmitting the data file should be installed in the computer 110.

Next, the computer 110 is operated by mounting the digital audio data player P in the charging transmitter 112 so that the contact terminal 39 and the charging transmission terminal 114 come into contact with each other. Data is transmitted to the storage means of the digital audio data player P for recording and storing.

When the record data is to be reproduced independently from the player P of the present invention, the earphone 50 is connected to the jack 35a, and only the operation button 15 is operated. The operation during single playback is the same as in the prior art.

On the other hand, the digital audio data player (P) according to the invention is used for mounting to the cassette deck 120 of the car audio system 130 through the home audio system, in particular through the cassette insertion hole 131 as shown in FIG. In this case, as shown in FIGS. 4 to 7B, the guide shaft 125 operates the first micro switch 34a while the first micro switch 34a contacts the guide shaft 125. In the state, the digital audio data player P recognizes that the cassette deck 120 is mounted and is ready to play. In this step, since there is no rotation of the reel hubs 41 and 42, the reflecting plate 46 is maintained in a stopped state, and thus the reel sensors 37 and 38 detect the stopped state.

In this preparation step, when the regeneration operation button of the cassette deck 120 is pressed, one of the two reels 121 and 122 is rotated, and among the two reel hubs 41 and 42. When one reel hub 41 is rotated, this rotational force rotates the other reel hub 42 through the idle gears 43, 44, and 45 to the other reel 122 of the cassette deck 120. It rotates.

Accordingly, the cassette deck 120 recognizes that both sides of the reel 121 and 122 are normally operated, and at this time, the cassette deck 120 is regenerated to perform a pinch roller 124a installed in the cassette deck 120. The pinch roller 124b of 124b is lowered to make close contact with the capstan shaft 126b to rotate integrally with the capstan shaft 126b.

In addition, when the pinch roller 124b is operated while the second microswitch 34b is operated, the second microswitch 34b is turned on, and the digital audio data player P receives a playback operation. After detecting the data stored in the storage means and transmitting the data to the head 33, the data is transmitted from the head 33 toward the receiving head 123 of the cassette deck 120, and finally, Sound is propagated through the speaker.

On the other hand, when the reverse playback is input from the cassette deck 120, the one-side pinch roller 124b of the cassette deck 120 is separated from the one-side capstan shaft 126b and at the same time, the second micro switch 34b is in an off state. It becomes Thereafter, the other pinch roller 124a is lowered so that the other capstan shaft 126a contacts and the third micro switch 34c is turned on.

Through such a series of operations, the digital audio data player P according to the present invention recognizes the reverse play. In this case, the digital audio data player P plays back from the first song or plays back from the last song. It will be able to perform such operations.

Unlike the combined player (P) described above, the present invention can be manufactured only for the cassette player, not the portable and cassette player combined, in this case, it is possible to remove a plurality of components necessary for single playback, the product It can be manufactured in a smaller and lighter structure.

That is, in the cassette player-only digital audio data player P as described above, the reel insertion holes 11, 12, 21, and 22 are inserted into the reels 121 and 122 of the cassette deck 120 so as to be rotatable. ) And the lower case 10, 20, the upper and lower case 10, the circuit board 30 is installed in the interior of the (20), so that the computer 110 can receive data from The contact terminal 39 provided on one side of the circuit board 30, a storage means for storing the downloaded data, and a rotation transmission unit that rotates at the same time in accordance with the operating state of the reels 121, 122 ( 40).

In the above embodiment, since the voice is reproduced through the speaker connected to the cassette deck 120 such as the conventional car audio system 130 as shown in FIG. 8, the earphone 50 and the jack 35a are removed from the combined structure of the present invention. Display of the operation state through a system liquid crystal display unit 132 which can be removed and displays the operation state of the cassette deck 120, and a system operation button 133 for driving the reels 121 and 122; Since the operation can be performed, the liquid crystal display unit 16, each operation button 15, 16a, tact switch 35, 36, etc. can be removed from the combined structure of the present invention, thereby realizing compact and light product. Of course, it can bring a significant production cost savings.

In addition, by adding the tuning and recording function to the digital audio data player (P) of the present invention, it is possible to produce a product that is superior in weight, size and sound quality compared to the existing cassette.

The effects of the present invention that can be expected by the configuration and action as described above are as follows.

Digital audio data player (P) according to the present invention can be mounted on the general cassette deck 120, and thus can be used more versatile than conventional portable products, it is possible to compact and lightweight, especially the car audio system 130 ) Can be used to propagate voice through external speakers, improving productivity and enjoying a high level of sound quality.

Claims (8)

The upper and lower cases of which the reel insertion hole is formed to be rotatable by inserting the reel of the cassette deck, the circuit board installed inside the upper case and the lower case, and on one side of the circuit board to receive data from peripheral devices. Digital audio data for a cassette player comprising a contact terminal provided, a storage means for storing the downloaded data, and a rotation transmission unit for transmitting the rotational force to drive the other reel according to the operation state of the one reel. player. The upper and lower cases of which the reel insertion hole is formed to be rotatable by inserting the reel of the cassette deck, the upper and lower circuit boards installed inside the lower case, and the circuit boards to receive charge and data from peripheral devices. A contact terminal provided on one side, a storage means for storing the downloaded data, a head provided on the circuit board so as to transmit a signal detected by the storage means, and a mode used for mounting alone or in a cassette deck. The operation detection unit provided on the circuit board to detect whether the switching, the rotation transmission unit for transmitting and driving the rotational force of the reel, and the circuit to connect and listen to the earphone when the storage means is regenerated Digital audio data player for a cassette player, characterized in that consisting of jacks provided on the substrate. The method of claim 2, wherein the operation detecting unit is in contact with the guide shaft of the cassette deck to detect whether the first micro-switch, and the second micro switch in contact with the pinch roller of the cassette deck to detect whether the operation And a third micro switch. 3. The rotation gear according to claim 2, wherein the rotation transmission unit is coupled to the reel of the cassette deck and has a gear tooth formed around the outer circumferential surface thereof, and an idler gear arranged between the reel hubs to transmit the same rotational force to both reel hubs, respectively. Digital audio data player for a cassette player, characterized in that the configuration. 3. The cassette player digital audio data according to claim 2, wherein the rotation transmission unit comprises a pulley reel hub coupled to the reel of the cassette deck, and a belt that is coupled to both of the reel hubs to transmit the same rotational force. player. A digital audio data player having a storage means for storing data and mounted on a cassette deck for tape playback, comprising: a reel insertion hole into which a reel of the cassette deck is inserted; An operation sensing unit for detecting a rotation transfer unit for rotating the reel, a head for transmitting the data of the storage unit to the cassette deck, and whether to use the cassette deck alone or in a cassette deck by operating the system operation button of the cassette deck. Digital audio data player for a cassette player, characterized in that consisting of parts. The micro-switch of claim 6, wherein the operation detecting unit contacts the guide shaft of the cassette deck to sense whether the cassette is mounted, and the second micro switch to contact the pinch roller of the cassette deck to detect the operation thereof. And a third micro switch. 8. The idler gear according to claim 6, wherein the rotational transmission part is coupled to the reel of the cassette deck and has a gear tooth formed around the outer circumference thereof, and an idler gear arranged between the reel hubs to transmit the same rotational force to both reel hubs, respectively. Digital audio data player for a cassette player, characterized in that the configuration.