KR20010001377A - Portable music device using wireless digital data - Google Patents

Abstract

PURPOSE: A portable digital music player of radio data storage mode is provided to easily select and store only desired music data and to remove a connector jack and attachment mechanisms, thereby realizing the compact music player. CONSTITUTION: A portable digital music player of radio data storage mode comprises a computer system(9), a transmission radio transfer unit(10), a receive radio transfer unit(21) and a CPU controller(22). The transmission radio transfer unit(10) selectively utilizes an infrared unit, a laser link unit and the other short distance radio data transfer modes to transfer mass multimedia data such as digital music data with a radio link mode. The receive radio transfer unit(21) transmits and receives the music data with a mode same as the transmission radio transfer unit(10). The CPU controller(22) is connected to the transfer unit(21) to control respective elements.

Description

Portable music device using wireless digital data}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable digital music reproducing apparatus of a wireless data storage method. In particular, there is no need to install or connect a connection cable and a detachable device used for transmitting music data. Install the transfer unit, install the wireless transfer unit on the laptop or personal computer, select and edit the music data from the computer, transfer it to the built-in RAM of the portable music player via the wireless transfer unit, and save and enjoy it on the digital portable music player. The present invention relates to a portable digital music reproducing apparatus of a wireless data storage method capable of being compact and lightweight and having excellent mobility.

Generally, related fields of portable digital music players include cassette type music players, removable RAM cards, recording stations, multimedia computers, infrared communication units, and laser link units.

The cassette-type music player (Digital Player) is a digital player using a conventional audio tape to record the digital signal on the tape to ensure the same sound quality as DAT, but degradation, sagging, mechanical damage, etc. It has its shortcomings. Although digital correction circuitry can compensate for this problem to some extent, damage beyond a certain limit will render the data unusable, and the cassette tape mechanism will complicate the structure, and conventional cassettes such as mechanical shock, dust, dirt and wear There are problems with the device.

A memory used to store music data in a digital player using a removable RAM card (or smart card). Currently, music data is recorded on an external device (recording station, etc.) and then inserted into a digital player. have. Since the detachable type has a high mechanical failure rate in the detachable device, it is difficult to expect a high mechanical strength due to the structure of the device, and inflow of dust or foreign matter from the detachable opening increases the probability of device failure, thereby shortening the life of the device.

The recording station is a device for generating music data to be stored in an existing digital player, and is connected to a recorder or a CD player to directly convert analog audio signals into digital music data. The recording station has an advantage that the user does not have to use a computer to generate music data, but it is relatively expensive and can be performed sufficiently variously using a computer owned by the user in view of recent computer dissemination trends. The use of a separate recording station function results in duplication of device function and investment, and has a disadvantage in that it can only provide a limited function rather than a computer in terms of size and function. In addition, unlike a computer, it is a very disadvantage that it is impossible to implement the function of receiving digital music data allowed through the Internet and storing it directly in a digital player.

The multimedia computer has been widely used in recent years with the spread of personal computers. The multimedia computers have a function of receiving a signal from a video device or an audio device and converting the signal into digital data. This feature allows you to convert and edit the music you want from various audio devices into digital data, making it easy to create music data for use in a digital player. Recently, various programs for generating and managing digital music data have been provided for computer software, and since general users can use it easily, they can easily use their own digital music data even if they are not computer experts.

The infrared communication unit has been recently applied to data communication between computer systems, and is particularly used in portable computer systems such as notebook computers. Since the infrared communication unit does not use a cable for data transmission, it is easy to transmit data anytime and anywhere, and the transmission speed is also increasing. In the case of personal computers, there are not many computer systems equipped with the infrared communication unit as standard, but the motherboards used in the recent personal computers have all the infrared communication connection ports, so that the interface can be easily connected. You can easily transfer data to and from other computer systems or devices simply by attaching an infrared transceiver to your personal computer.If your digital player is equipped with the infrared communication unit, you can simply use the digital cable from your personal computer without a separate cable or connection. Music data can be received and stored or data can be replaced.

The laser link unit is a relatively recently developed wireless data communication technology that uses laser light instead of infrared light. It is used for high-speed wireless data communication because it can increase the data transmission rate compared to infrared rays.

On the other hand, a portable digital music player (also known as a digital walkman) that uses digital music data such as MP3 or RA as a sound source should store music data inside the device. To do this, you need to use a connection cable to transfer music data from your computer, or use an existing removable audio tape or RAM card that stores music.

However, connecting and receiving a cable from a computer is difficult to operate or use from a general user's point of view. In addition, a method using a removable RAM card or an audio tape requires the use of a computer or a dedicated recording device to store data on the RAM card or tape.

Therefore, the operation of the recording device dedicated to the computer is very complicated, and the removable device has a problem of causing frequent breakdowns due to its mechanism and structure, which are easily mechanical and easy to enter dust and foreign matter.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems of the prior art, and an object of the present invention is to provide a built-in RAM and a wireless transmission unit for storing music data in a portable music player without the need for a cable structure and a detachable structure used for music data transmission. By installing and transferring the desired music data from the personal computer to the built-in RAM of the portable music storage device through the wireless transfer unit, anyone can easily receive the music data from the computer without installing or connecting the device. You can choose and store and listen to music player, and it can be miniaturized by eliminating the connection jack or detachable mechanism, and make the music player itself in a sealed structure, so it is basically blocked by dust or foreign matter. Vitality To provide a portable digital music playback device of a wireless data storage method that can maximize the mobility and mobility.

1 is a conceptual diagram of a music data transmission including a portable digital music player of a wireless data storage method according to the present invention.

2 is a system configuration diagram of a portable digital music player of a wireless data storage method according to the present invention.

3 is a flowchart illustrating a process of selecting digital music data stored in a user computer.

4 is a flowchart for transmitting the selected music data to a digital music player via a wireless transmission unit.

5 is a flowchart for generating new digital music data.

Explanation of symbols on the main parts of the drawings

7: music data transfer software 9: user computer

10 transmitting side wireless transmission unit 20 digital music player

21: Receive side wireless transmission unit 22: CPU control unit

23: internal memory 24: music generator

25: headphones 30: audio equipment

In order to achieve the above object, the present invention provides a digital codec and a network card to enable digital signal processing from an audio device 30 such as a cassette tape or a CD player, and generates digital music data in a general operating system. In a system having a user computer system (9) equipped with music data transmission software (7) operating with respective function buttons to select and transmit, an infrared unit, a laserlink unit, and other short-range wireless data transmissions A transmission side wireless transmission unit 10 for selectively transmitting a large amount of multimedia data such as digital music data by using a wireless link method, using a method or the like; And a reception side wireless transmission unit 21 for transmitting and receiving music data in both directions in a manner consistent with the transmission side wireless transmission unit, and connected to the reception side wireless transmission unit 21 to input and output music data. Further comprising a CPU control unit 22 for controlling the device, the wireless data storage method characterized in that it comprises a digital music player 20 for receiving and storing the music data selected from the user computer system (9) Provides a portable digital music playback device.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Referring to Fig. 1, the system of a portable digital music player of a wireless data storage method according to the present invention is a music data transmission software 7, a user computer 9, a transmitter wireless transmission unit 10, a receiver wireless transmission unit. And a digital music player 20 equipped with a 21 and an audio device 30.

The present invention is a technology belonging to the field of multimedia data communication, and its main feature is the function of transmitting a relatively large amount of multimedia data such as digital music data using a wireless link.

When the user wants to replace the music data stored in the digital music player 20, the user can select desired data from the music data stored in the user computer 9, such as an infrared unit or a laser link unit mounted on the user computer 9. It transmits from the wireless transmission unit (for transmission) 10 to the digital music player 20. The transmitted music data is received by the wireless transmission unit (receiving) 21 mounted on the digital music player 20 to change data stored in the internal RAM of the digital music player 20. At this time, the user may place the digital music player 20 in the vicinity of the wireless transmission unit (for transmission) 10 without the need for connecting cables or installing equipment due to the characteristics of the light source used for wireless communication.

Since the digital music player 20 does not need to remove the tape or the card RAM, the mechanism can be completely deleted. Since the digital music player 20 does not need a connection terminal such as a jack for receiving music data, the digital music player 20 itself Compared to current devices, the device is very compact and low power, and can be designed to be completely encapsulated by applying the current technology of the backband headphone.

Therefore, it can be reduced in size and weight at the level of watches and necklaces, and can be used in water or in harsh environments with a dustproof and waterproof structure.

2, a system of a portable digital music player of a wireless data storage method according to the present invention includes a music data transmission software 7, a user computer 9 including a digital codec, and a transmission side wireless transmission unit ( 10), a digital music player 20 equipped with the reception side wireless transmission unit 21 and an audio device 30.

The music data transmission software 7 is software installed in the user computer 9 and operates in a general operating system, and has a function of generating, selecting, and transmitting digital music data. Is easily available.

The transmitter-side wireless transmission unit 10 uses an infrared unit mounted on the user computer 9, a laser link unit using a laser beam to increase the transmission speed, and a separate cable or connection. Without a device, a large amount of multimedia data such as digital music data is transmitted to the receiving side wireless transmission unit 21 in the digital music player 20 by using a wireless link.

The transmitting side wireless transmission unit 10 is a device capable of transmitting data by connecting to the wireless data transmission port of the user computer 9, and is paired with the receiving side wireless transmission unit 21, so that the transmission side wireless transmission unit 10 must be very small. It uses the existing wireless transmission unit as it is.

The digital music player 20 mounts the reception side wireless transmission unit 21 on the side or front side, and the wireless transmission unit used is an infrared method, a LaserLink method, other short distances (less than 5 m). By using a wireless data transmission method or the like, the transmission-side wireless transmission is not required due to the nature of the light source used for wireless communication from the transmitting-side wireless transmission unit 10 mounted on the user computer 9 without installing a cable or installing a device. Located near the unit 10, the music data is received, stored and played. The digital music player 20 is composed of a reception side wireless transmission unit 21, a CPU control unit 22, an internal memory 23, a music generator 24, and an external device headphone 25.

The reception side wireless transmission unit 21 uses a small one that does not affect the size of the digital music player 20, and is capable of two-way transmission and reception with the transmission side wireless transmission unit 10, and the digital music player ( 20, music data is transmitted by the wireless data transmission method.

The CPU control unit 22 is connected to the reception side wireless transmission unit 21 to control each element and to embed a unique number of a device or rights related to other devices.

The built-in memory 23 uses a built-in RAM as a storage device for storing music data in the digital music player 20, and the built-in RAM uses a free read / write and a large capacity. It is also built-in but allows you to increase the size of the built-in RAM within certain limits as needed.

The music generator 24 is connected to the CPU control unit 22 to play and listen to music.

The headphone 25 is connected to the music generator 24 and used by wireless or jack.

The use of the wireless data storage method portable digital music reproducing apparatus according to the present invention comprises selecting the data desired by the user from among the digital music data stored in the user computer 9, and selecting the selected music data from the transmitting side wireless transmission unit ( 10) and transmitting to the digital music player 20 and generating new digital music data.

Referring to FIG. 3, it is assumed that the digital music data selection process stored in the user computer stores the digital music data acquired from the user's own audio device, the Internet, or a predetermined digital music data provider in the user computer 9. do. Among the digital music data stored in the user computer 9, the music data that the user wants to listen to is selected using the music data transmission software 7. The music data transmission software 7 allows a user to edit only the desired music by assigning / releasing / deleting various music data.

The music data transfer software 7 is executed on the user computer 9 (step S1), the music selection function is selected (step S2), and the music data embedded in the user computer 9 is selected (step S3). ) Designate, cancel and delete the selected music data (step S4) and click the music selection completion (transfer) button with the mouse (step S5).

4 is a flowchart for transmitting the selected music data to the digital music player via the wireless transmission unit. When the music data is selected, pressing the music selection completion (send) button of the music data transmission software 7 transfers the selected data to the transmitting side wireless transmission unit 10 through the wireless transmission port of the user computer 9. Music data is transmitted from the transmitting radio transmitting unit 10 to the receiving radio transmitting unit 21 in the digital music player 20. The digital music player 20 has a record switch for recording the data to be transmitted to the internal RAM. When the user turns on the recording switch, the music data transmitted to the receiving wireless transmission unit 21 is directly stored in the RAM. Allow it to be recorded.

The recording switch of the digital music player 20 is turned on to operate the reception side wireless transmission unit 21 (step S10), and the selection selection button is completed in the music data transmission software 7 of the user computer 9. Click (step S11) to wirelessly transmit the music data from the user computer 9 through infrared or laser link (step S12) and to the receiving side in the digital music player 20. Automatically receive the music data transmitted from the wireless transmission unit 21 (step S13), automatically record the received music data into the built-in RAM (step S14), and when the transmission is completed, the digital music player 20 Turn off the recording switch and stop the reception side wireless transmission unit 21 (step S15) to connect headphones 25 to the music generator 24 in the digital music player 20 to listen to music. The raw and listening (step S16).

5 is a flowchart for generating new digital music data. The function of generating digital music data from an analog audio device 30 such as a conventional tape recorder or a CD player uses the music data transfer software 7 in the user computer 9. Since the audio device 30 is only connected to the user computer 9, the music data transmission software 7 is connected to the user computer 9 without connecting a cable to the digital music player 20 itself or requiring a separate digital recording device. 9) Use its own multimedia functions directly.

In the step of generating new digital music data, an audio device 30 such as a cassette tape or a CD player is connected to the user computer 9 (step S20), and the music data transmission software 7 in the user computer 9 is performed. (Step S21) to operate the audio device 30 to generate a music signal (step S22) and to select the recording function of the music data transmission software 7 (step S23) to the user computer 9 The input audio signal is converted into digital music data for recording (step S24), the recording is terminated and the audio device 30 is stopped (step S25) to store the digital music data (step S26).

Therefore, it is possible to easily select and transmit music data by wirelessly transmitting it without the need for a separate cable or device for music data transmission, and to edit and store the music data.

As described above, the portable digital music reproducing apparatus of the wireless data storage method according to the present invention can store and update the music data very easily without using a separate cable or device for transmitting the music data as an expected effect on the user side. It is possible to freely edit and store music desired by a personal computer using a personal computer, to be compact and lightweight compared to existing digital players, and to be highly mobile, and to produce ornaments or character products by the digital player itself.

On the other hand, the expected effect on the producer side can shorten the production process by eliminating complex mechanisms, and the closed structure has a low incidence of failures, thereby reducing maintenance support costs, and storing and transmitting music data. There is no need to develop and supply a separate device for the device, so that the device can be mass-produced at low cost.

In addition, due to the social effect, the digital music source is transformed into a digital music source, and the method of obtaining a music source is converted from a conventional analog audio device to a personal computer and the Internet, and a portable audio device having a mechanism is changed to a portable audio device having no mechanism. This is possible and has the effect of miniaturizing portable audio equipment.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention described in the claims below. It will be appreciated.

Claims (1)

A digital codec and a network card are built in to enable digital signal processing from an audio device 30 such as a cassette tape or a CD player, and each function button is operated to generate, select and transmit digital music data in a general operating system. A system comprising a user computer system 9 having music data transfer software 7 installed therein, Transmitting-side wireless transmission unit 10 for transmitting a large amount of multimedia data such as digital music data by wireless link, optionally using an infrared unit, a LaserLink unit, and other short-range wireless data transmission methods, etc. ; And Equipped with a receiving wireless transmission unit 21 for transmitting and receiving music data in both directions in a manner consistent with the transmitting wireless transmission unit, each element connected to the receiving wireless transmission unit 21 to input and output music data And a digital music player (20) for receiving, storing, and reproducing music data selected from the user computer system (9). Portable digital music player.