KR20010003823A - A digital sound player of head-phone type - Google Patents

Abstract

PURPOSE: A digital sound player of headphone type is provided so that users listen to digital sound easily, and don't feel pressure on head, and don't have limitation of action, and uses it as headphone when using common cassette player. A digital sound player is installed in unit case of a phone, which is worn on auricle, without a special player main body. CONSTITUTION: The digital sound player of headphone type includes a head band(11), a first unit case(12), a second unit case(13), a player device, a memory device(22), plural speakers and a power supplier. The head band(11) has self elastic power and is shaped as. The first unit case(12) includes a memory attaching/detaching part(12b), many key buttons(12c,12d) and a download port(12e), and is installed at one end of the head band(11). The memory attaching/detaching part(12b) has prescribed size and is formed concavely. Many key buttons(12c,12d) drives the player. The download port(12e) is connected to PC interface in order to download digital data from PC. The second unit case(13) has many key buttons(13b,13c,13d) and is installed at the other end of the head band(11). The player device includes a D/A converter, a decoder and a controlling part, and is installed in the first unit case(12). The D/A converter converts digital signal to analog signal and outputs it. The decoder is connected to the D/A converter and transmits decoded digital signal to the D/A converter. The controlling part is connected to the decoder, download port(12e), memory attaching/detaching part(12b) and many key buttons(12c,12d), and controls action of the player. The memory device(22) is assembled at the memory attaching/detaching part(12b), and memorizes downloaded digital data, and supplies memorized data to the player device. Plural speakers are connected to the D/A converter, and are installed in the first and the second units(12,13), and outputs analog signal transmitted from the D/A converter as sound. The power supplying part has ON/OFF switch, and is connected to each part of the player device and plural speakers to supply power to them, and is installed in the second unit case(13).

Description

Headphone type digital sound player {A digital sound player of head-phone type}

The present invention relates to a headphone type digital sound player, and more particularly, it is possible to easily listen to digital sound by incorporating a digital sound player in the headphone without a separate player body, and it is very light and does not put a heavy pressure on the head. The present invention relates to a headphone type digital sound player that has a structure that can be used as a headphone by connecting to a player when using a general cassette player.

In general, a digital sound player is capable of listening to digital sound by connecting headphones or earphones to a player body for reproducing digital data stored in the storage means and storing the digital data downloaded to the storage means.

The conventional digital sound player having the above-described configuration is not only inconvenient to carry along the main body, but also has to wear headphones or earphones connected to the player main body while the player main body is held to listen to the sound. There was a problem in that the connection cable of the main body was caught in the arm or belongings and thus the behavior was restricted.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to provide a digital sound player in a unit case of a phone which detachably mounts a unit to an ear wheel without a headphone or a headband without a separate player body. Not only can you listen to digital sound, but it is also very light, so it doesn't put pressure on your head, and you can easily listen to digital sound without any restrictions on behavior, and you can use it as a headphone when using a general cassette player. To provide a digital sound player.

An object of the present invention is to provide a memory detachable portion having a predetermined size, a plurality of key buttons for operating the player, and a download port for detachably connecting with a PC interface for downloading digital data from the PC. A first unit case provided at one end of the head band; A second unit case having a plurality of key buttons for operating the player and mounted to the other end of the headband; A D / A converter converting a digital signal into an analog signal and outputting the analog signal, a decoder connected to the D / A converter to send a translated digital signal to a D / A converter, the decoder, a download port and a memory detacher A player device which is connected to each of the four key buttons and is configured as a control unit for controlling the operation of the player and is embedded in the first unit case; Storage means for storing digital data detachably assembled and downloaded to the memory detachable portion, and providing the stored data to a player device; A plurality of speakers electrically connected to the D / A changer of the player device and respectively output in the first and first unit cases to output analog signals from a D / A converter as sound; To be achieved by a headphone type digital sound player, comprising a power supply unit which is electrically connected to each component of the player device and the plurality of speakers, respectively, and is embedded in the second unit case. Can be.

1 is a front view showing a headphone type digital sound player according to the present invention;

Fig. 2A is a front view showing a first unit case of a headphone type digital sound player according to the present invention.

Fig. 2B is a front view showing a second unit case of the headphone type digital sound player according to the present invention.

3A is a plan view showing a first unit case of a headphone type digital sound player according to the present invention;

3B is a plan view showing a second unit case of the headphone type digital sound player according to the present invention;

4 is a block diagram of an MP3 player device of a headphone type digital sound player according to the present invention;

5 is a block diagram of an AAC player device of a headphone type digital sound player according to the present invention.

Fig. 6 is a block diagram of a ROM player device of the headphone type digital sound player according to the present invention.

7 is a block diagram illustrating a configuration of a headphone type digital sound player according to the present invention with a player added with a general headphone function.

♣ Explanation of symbols for main part of drawing ♣

10: Headphone type digital sound player

11: headband 12: first unit case

13: second unit case 14: player device

15, 24: D / A Converter 16: Decoder

17, 25: control unit 19, 20: speaker for headphones

21: power supply 22: storage means

23: PC interface 30: Headphone connection port

31: Headphone jack 32: Normal cassette player or radio

Hereinafter, a headphone type digital sound player according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view showing a headphone type digital sound player according to the present invention, FIG. 2A is a front view showing a first unit case of the headphone type digital sound player according to the present invention, and FIG. 2B is a headphone type according to the present invention. 3A is a front view showing a second unit case of a digital sound player, and FIG. 3A is a plan view showing a first unit case of a headphone type digital sound player according to the present invention, and FIG. 3B is a view of a headphone type digital sound player according to the present invention. 4 is a block diagram of the MP3 player device of the headphone type digital sound player according to the present invention, and FIG. 5 is a block diagram of the AAC player device of the headphone type digital sound player according to the present invention. 6 is a ROM play of the headphone type digital sound player according to the present invention. It is a block diagram of a device Fig.

1 to 6, the headphone type digital sound player 10 according to the present invention is roughly provided with a headband 11, first and second unit cases 12 and 13, and a player device 14. It is composed of a plurality of speakers 19, 20, a power supply 21, and a storage means 22.

The head band 11 is a band having an elastic force that is bent into a U-shape, and the first and second unit cases 12 and 13 are mounted at both ends thereof so that the first and second unit cases 12 when worn on the head. The first and second unit cases 12 and 13 are tightened inward by their own elastic force so that the ears of (13) can be brought into close contact with both ears, respectively.

The first unit case 12 is a hemispherical cylindrical shape having a hollow therein, and has a ear tip 12a, a memory detachable portion 12b, a plurality of key buttons 12c, 12d, and a download port 12e. do.

The ear piece 12a is made of a material having a cushioning and soundproofing function such as a sponge, and then attached or fitted to the outside of the flat portion of the first unit case 12.

The memory detachable portion 12b is formed at a curved portion of the first unit case 12 at a predetermined position, preferably at an upper portion thereof, and is formed to be vertically recessed, and a bottom portion of the memory detachable portion 12b to which a connection portion of the storage means is connected. Not).

The plurality of key buttons 12c and 12d are respectively installed at predetermined positions of the bent portion of the first unit case 12 for the operation of the player 10. For example, the key buttons 12c are stopped to stop the player. It may be a button, the key button 12d may be a volume control button for adjusting the volume.

The download port 12e is a connection terminal for detachably connecting the PC interface when the digital data is to be downloaded from the PC and is installed at a predetermined position of the curved portion of the first unit case 12.

The second unit case 13 is a hemispherical tubular shape having a hollow inside, and includes an ear tip 13a and a plurality of key buttons 13b, 113c, and 13d.

The ear piece 13a is made of a material having a cushioning and soundproofing function such as a sponge, and then attached or fitted to the outside of the flat portion of the second unit case 13.

The plurality of key buttons 13b, 13c, and 13d are respectively installed at predetermined positions of the bent portion of the second unit case 13 for the operation of the player 10. For example, the key buttons 13b are provided for the storage means. It may be a play button for playing digital data, the key button 13c may be an FF button for quickly turning the digital data to be played, and the key button 13d may be an REW button for returning the digital data. .

The player device 14 is composed of a D / A converter 15, a decoder 16, and a controller 17, and is embedded in the first unit case 12.

The D / A converter 15 converts the received digital signal into an analog signal, and the decoder 16 translates the received data into a digital signal and transmits the D / A converter 15 to the D / A converter 15 for transmission. It is electrically connected to the A converter 15, and an MP3 decoder or AAC decoder can be selectively used according to the compression method of the digital data stored in the storage means 22.

The control unit 17 is a microcontroller program memory, the plurality of key buttons 12c, 12d, 13b, 13c, 13d, download port 12e, memory detachment unit 12b, and the decoder 16. And are electrically connected to each other to control the components of the player device 14.

The plurality of headphone speakers 19 and 20 are electrically connected to the D / A converter 15 so as to output an analog signal received from the D / A converter 15 as a sound. The second unit cases 12 and 13 are respectively built in.

The power supply unit 21 has an ON / OFF switch 21a and is electrically connected to each of the components of the player device 14 to supply power for operation. It is built in (13), and a battery is used for power and easy to replace.

The memory means 22 is a flash memory, an MMC card or a smart card is used, and is detachably assembled to the memory detachable part 12b of the first unit case 12 and compressed in a predetermined manner. The stored digital data is stored in the digital data reproduced by the player device 14 or downloaded through the PC interface.

A ROM is also used as the storage means 22, and the player device in which the ROM is used is shown in FIG.

The player device 14 is composed of a D / A converter 24 and a controller 25.

The D / A converter 24 is electrically connected to the speakers 19 and 20 for headphones, respectively, and transmits an analog signal to the speakers 19 and 20 for headphones, and the controller 25 is Digital data stored in the ROM by being electrically connected to the connection terminal of the D / A converter 24 and the memory detachable unit 12a and the plurality of key buttons 12c, 12d, 13b, 13c, and 13d, respectively. The digital signal stored in the ROM is compressed in such a way that the controller 25 can be solved by the controller 25 without a separate decoder.

The headphone type digital sound player according to the present invention is a phone type having a structure in which two units are connected by a cable without a headband 11 so that each unit can be attached to or detached from the ear wheel of a human body. Can also be produced.

7 is a block diagram illustrating a configuration of a headphone type digital sound player according to the present invention with a player having a general headphone function added thereto.

Referring to FIG. 7, the headphone type digital sound player 10 according to the present invention may be used as a conventional headphone only by connecting a red phone jack 31 when using a general cassette player or a radio 32. One of the unit cases 12 and 13 further includes a headphone connection port 30 electrically connected to the headphone speakers 19 and 20.

Headphone-type digital sound player 10 according to the present invention having the configuration as described above can be listened to high-quality digital sound only by wearing headphones on the head, so that the movement is not limited at all, even during exercise. Digital sound can be enjoyed, and the headphone jack 31 may be connected to the headphone connection port 30 when the normal cassette player or the radio 32 is used as a normal headphone.

As described above, the present invention can easily listen to digital sound by incorporating a digital sound player in a unit case of a phone that detachably mounts a unit to an ear wheel without a headphone or a headband without a separate player body. This ultra-lightweight design not only puts pressure on your head, but also allows you to enjoy high-quality digital sound without any restrictions in walking or exercising, and connects to a regular headphone jack when listening to a regular cassette player or radio. Also has the effect that can be used.

Claims (6)

A head band 11 which has its own elastic force and is bent into a jaw shape; A memory attaching and detaching portion 12b having a predetermined size, and a plurality of key buttons 12c and 12d for operating the player 10, and a PC interface 23 for downloading digital data from a PC. A first unit case (12) having a download port (12e) for detachably connecting and mounted to one end of the head band (11); A second unit case (13) having a plurality of key buttons (13b) (13c) (13d) for operating the player (10) and mounted on the other end of the headband (11); A D / A converter 15 for converting a digital signal into an analog signal and outputting the analog signal, a decoder 16 connected to the D / A converter 15 to send a translated digital signal to the D / A converter 15; The controller 17 is electrically connected to the decoder 16, the download port 12e, the memory detacher 12b, and the plurality of key buttons 12c and 12d, respectively, to control the operation of the player 10. A player device (14) configured to be built into the first unit case (12); Storage means (22) for storing digital data detachably assembled and downloaded to said memory detachable portion (12b) and providing the stored data to a player device (14); An analog signal, which is electrically connected to the D / A converter 15 of the player device 14 and embedded in the first and first unit cases 12 and 13, respectively, and is sent from the D / A converter 15. A plurality of speakers 19 and 20 for outputting sound; An on / off switch (21a), each of which is electrically connected to each component of the player device (14) and the plurality of speakers (19) (20), the second unit case ( 13) a headphone type digital sound player, characterized in that the power supply unit 21 is built in. The headphone type digital sound player as set forth in claim 1, wherein said storage means (22) is a flash memory, an MMC card, a smart card, or a ROM. The D / A converter 24 is electrically connected to the speakers 19 and 20, respectively, and the player device 14 transmits an analog converted signal to the speakers 19 and 20. The D / A converter 24, the connection end of the D / A converter 24 and the memory compartment 12a, and a plurality of key buttons 12b, 12c, 13b, 13c, and 13d, respectively. Headphone type digital sound player, characterized in that for controlling the digital data stored in the storage means (22) and transmitting the digital signal to the D / A converter (24). The headphone type digital sound player as set forth in claim 1, wherein said decoder (16) is an MP3 decoder or an AAC decoder. The phone of claim 1, wherein the headphone type digital sound player 10 is connected to a cable without two headbands so that each unit is detachably mounted on an ear wheel of a human body to listen to sound. Headphone type digital sound player, characterized in that can be produced in the form. The first and second unit cases of claim 1, wherein the headphone type digital sound player 10 connects a headphone jack 31 to a normal headphone when listening to a general cassette player or a radio 32. Headphone type digital sound player, characterized in that further comprising a headphone connection port (30) electrically connected to any one of the speaker (19, 20) for the headphone.