KR100582496B1 - An apparatus for writing and playing a data on/from memory cassette - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a memory cassette recording / reproducing apparatus which records data in a memory cassette internal memory and reads out and reproduces recorded data of a memory when a memory cassette having a memory in which data is recorded is mounted. A memory cassette having a memory for storing data therein and having an electrical connection connected to a signal line of the memory outside the case; A recording medium mounting portion which enables free mounting and detachment of the memory cassette; And a recording / reproducing device for transmitting data through the electrical connection unit to record in the memory, and reading and reproducing the recorded data of the memory through the electrical connection unit. The cost and volume of the device can be reduced by eliminating the configuration of the device, which is very convenient even when using it as a portable device. It is a very useful invention that the mutual memory can be interchangeably installed in the A / V period of the memory system if only the specifications are matched.

Memory, Cassette, Encoder, Decoder, Connection Port

Description

An apparatus for writing and playing a data on / from memory cassette}             

Fig. 1 shows a memory cassette inserted into a memory cassette recording / reproducing apparatus according to the present invention.

2 shows the appearance of a memory cassette recording / reproducing apparatus according to the present invention;

Fig. 3 shows the internal structure of the memory cassette recording / reproducing apparatus according to the present invention in detail.

Fig. 4 shows the internal structure of the memory cassette reproducing apparatus according to the present invention in detail.

※ Explanation of code for main part of drawing

1, 40: connection port 2: connection pin

3: memory 4: hang step

5: sliding switch 10: keypad

11: keypad connection 20: LCD

21: LCD driver 30: power supply

50: control unit 51: switch state detection unit

60: input amplifier 61: A / D converter

70: encoder 80: decoder

90: D / A converter 91: output amplifier

100: memory cassette 200: memory cassette recording / playback device

200a: jamming jaw

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a memory cassette recording / reproducing apparatus, and more particularly, when a memory cassette having a memory therein for recording data is mounted therein, data is recorded in the memory cassette internal memory and the data recorded in the memory is recorded. A memory cassette recording / reproducing apparatus for reading and reproducing.

In general, starting with magnetic tape, which is the most widely used recording medium in the A / V field, recently, in the so-called multimedia era, recording media using optical devices such as CDs and DVDs are rapidly developing technologies.

However, magnetic tapes, such as cassette tapes, are weak in heat due to their characteristics, which may cause crosstalk when used for long periods of time. There is a high possibility that the recording medium may be damaged due to inadvertent scratches, and there may be a risk of corrosion due to chemicals. In such a case, when the recording medium is damaged, the reproduction characteristics of the recording medium may be sharply degraded.

In addition, the recording / reproducing apparatus for recording / reproducing a recording medium such as a cassette tape, a CD, and a DVD, requires a deck portion or a pickup portion for recording and reproducing data on the recording medium. In particular, in the case of an optical recording medium recording / reproducing apparatus, when the movement is severe, such as during movement, the pickup part is unstable, and thus the data recording and reproducing process of the recording medium is not normally performed. .

Due to these problems, the MP3 player using the memory recording method has been developed recently, and the situation of the recording medium and the recording / playback method is changing, but this MP3 player has a different song since the memory in which the data is recorded is mounted therein. Not only is it not easy to replace the stored memory, but different connection pin specifications of the memory used for each MP3 player have a problem in that different connection pin standards cannot be used.

Therefore, the present invention was created to solve the above problems, and can easily record data in the memory and reproduce the recorded data using a memory cassette capable of compatible memory cards. A memory cassette recording / reproducing apparatus which is a V device.

A memory cassette recording / reproducing apparatus according to the present invention for achieving the above object includes a case, a memory for storing data inside the case, and an electrical connection portion connected to a signal line of the memory outside the case. A memory cassette; A recording medium mounting portion which enables free mounting and detachment of the memory cassette; And a recording / reproducing apparatus for transmitting data through the electrical connection unit to record in the memory, and reading and reproducing the recorded data of the memory through the electrical connection unit.

In addition, the memory cassette reproducing apparatus according to the present invention comprises a memory cassette having a case, a memory for storing data inside the case, and an electrical connection portion connected to a signal line of the memory outside the case; A recording medium mounting portion which enables free mounting and detachment of the memory cassette; And a reproducing apparatus which reads out and reproduces the recorded data of the memory through the electrical connection unit.

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment of the memory cassette recording / reproducing apparatus which concerns on this invention is described in detail based on attached drawing.

1 shows a memory cassette 100 which can be freely mounted and detached from a memory cassette recording / reproducing apparatus 200 according to the present invention, wherein a memory 3 for storing data is mounted in a case. A connection port (1) provided with a substrate and fixedly supported by the case, and connected to a connection pin (2) signal-connected to the memory (3) outside the case to provide a data transfer path with the memory (3). And a locking end 4 for restoring by the elastic force after being pressed and held by the cassette mounting portion, and a sliding switch 50 for prohibiting data storage in the memory 3.

FIG. 2 is a recording / playback apparatus interconnected with the memory cassette 100 of FIG. 1 to record data on the internal memory 3 of the memory cassette 100, and to reproduce recorded data on the memory 3 ( Or playback apparatus) 200, wherein the recording / reproducing apparatus 200 has a memory cassette mounting portion which is an insertion space formed from the front to the inside thereof, and the memory cassette 100 slides inwardly of the mounting portion. Slide), and is connected to the recording / reproducing apparatus 200 through the connection port (1).

FIG. 3 shows a recording / reproducing apparatus for recording / reproducing data in the memory when the internal memory 3 of the memory cassette 100 is a memory (RAM) capable of both writing (writing) / reading (reproducing) data. As a detailed configuration of 200, a keypad 10 for data input; A keypad connector 11 connected to the keypad 10 to receive key input data; An LCD (Liquid Crystal Display) 20 for outputting and displaying information on recording data; An LCD driver 21 for converting data into an LCD display signal; A power supply unit 30 rectifying AC power applied from the outside into a DC power supply and supplying each component of the recording / reproducing apparatus 200 and the memory cassette 100 respectively; A connection port 40 electrically connected to a connection port 1 of the memory cassette 100; A switch state detection unit 51 for detecting an on / off state of the sliding switch 5 provided in the memory cassette 100; An input amplifier 60 for amplifying the analog audio signal input through the microphone Mic to a predetermined level; An A / D converter 61 for converting and outputting the amplified output audio signal into digital audio data; An encoder (70) for encoding the converted and output digital audio data by using a predetermined method and converting the digital audio data into compressed audio data; A decoder 80 for decoding the compressed digital audio data by a predetermined method and converting the compressed digital audio data into uncompressed audio data; A D / A converter (90) for converting and outputting the converted uncompressed audio data into an analog audio signal; An output amplifier 91 for power amplifying the converted audio signal and outputting the converted analog audio signal to a speaker Sp; And a controller 50 for prohibiting data writing to the memory 3 according to the sign or decoding control of the encoder 70 and the decoder 80 and the detection result of the switch state detection unit 51. have.

In the memory cassette 100 and the recording / reproducing apparatus 200 configured as described above, first, the user prohibits the recording of data into the memory 3 by operating the sliding switch 5 provided in the memory cassette 100. As shown in FIG. 1, when the state of the sliding switch 5 is on, data writing to the internal memory 3 of the memory cassette 100 is impossible, and when it is off, the memory 3 The data can be recorded in the above, and the user can operate the sliding switch 5 to be turned on when the user wants to save important stored data in the memory 3 without loss.

As described above, when the sliding switch 5 is selectively operated by the user, and then the memory cassette 100 is inserted and mounted by the user into the mounting part provided in the recording / reproducing apparatus 200, the recording / reproducing The device 200 and the memory cassette 100 are electrically coupled to each other through the connection ports 1 and 40 to exchange signals. The connection ports include a power terminal, a memory code recognition terminal, a data terminal, and an address terminal. And the capacity information of the memory is transmitted to the connected recording / reproducing apparatus 200 through the memory code recognition terminal. In addition, AC power applied from the outside is rectified to DC power by the power supply unit 30 and connected to the recording / reproducing apparatus 200 as well as the power terminals of the connection ports 1 and 40. It is also applied to the memory cassette 100.

In addition, the switch state detection unit 51 in the recording / reproducing apparatus 200 is mounted on the memory cassette 100 as the memory cassette 100 is inserted into the recording / reproducing apparatus 200. The on / off state of the sliding switch 5 is detected.

In this state, when a data recording request is made to the memory 3 in the mounted memory cassette 100 through the keypad 10 provided in the recording / reproducing apparatus 200, the recording / reproducing apparatus 200 In order to perform the requested recording mode, the controller 50 checks the on or off state of the sliding switch 5 from the detection result of the switch state detection unit 51. When the switch 5 is in the OFF state, the recording mode is performed so that the requested recording mode is performed.

According to a user's recording request, the input amplifier 60 amplifies and outputs an analog audio signal input through a microphone Mic to a predetermined level for recording in the memory 3, and outputs the A / D converter 61. Converts the amplified output analog audio signal into digital audio data and outputs the converted audio signal to the encoder 70.

The control unit 50 confirms the user's input of the compression or non-compression command through the keypad 10, and when the user inputs the compression command, controls the encoder 70 to designate the input data. The data is encoded and converted into compressed data. Otherwise, the data is output as it is without encoding the input data.

Under the control of the controller 50, the encoder 70 selectively performs an encoding process and outputs the result data, and since the controller 50 is a recordable mode, the encoder 70 outputs data output from the encoder 70. By transferring to the memory cassette 100 connected and connected through the data terminal of the connection port 40 and specifying a write address through the address terminal, the memory 3 provided in the memory cassette 100 is provided. The data will be recorded.

By the way, if it is confirmed that the sliding switch 5 is in the on state, the control unit 50 does not perform the requested recording mode because it is a recording prohibition mode in which data cannot be recorded in the memory 3. do.

In the state in which audio data is recorded in the memory 3 by the above-described recording process, or in a state in which a memory cassette has already been recorded by another device, the memory 3 is stored through the keypad 10. When there is a playback request of the audio data recorded on the audio data), a playback mode is performed under the control of the controller 50. First, the controller 50 provides list information on the capacity of the memory 3, Recognizes through the memory code recognition line of the connection port 1 that is connected to the signal memory 3 through the connecting pin (2), and outputs the displayed on the LCD 20 through the LCD driver 21, The list information is read from a predetermined memory area according to the recognized capacity, and this information is also displayed on the LCD 20 for output.

Subsequently, the controller 50 reads the header portion of the reproduced audio data from the recorded data of the memory 3 to determine whether the audio data is compressed, and reads the reproduced audio data to read the decoder ( 80).

When the determination result record data is compressed, the controller 50 controls the decoder 80 to decode the input data by a predetermined method to convert and output the compressed data into uncompressed data. If the data is not compressed, the data is output as it is without decoding the input data.

Under the control of the controller 50, the decoder 80 selectively performs a decoding process to output data to the D / A converter 90, and the D / A converter 90 inputs digital audio data. Converts the analog audio signal into an analog audio signal, and the converted analog audio signal is amplified by the output amplifier 91 and then output to the speaker Sp.

In the above-described embodiment, when the recording / reproducing apparatus 200 further includes a camera and a monitor, the memory cassette 100 may be compressed by converting an analog image signal photographed and input from the camera into digital image data. The audio data can be recorded in the memory 3 in the same manner as the recording of the audio data described above, and the compressed video data recorded in the memory 3 can be reproduced and output through the monitor through the same process as the audio data described above. Can be.

In addition, the recording / reproducing apparatus 200 may receive a source input from the outside to record / reproduce. In particular, the recording / reproducing apparatus 200 includes components for receiving a radio signal such as an antenna and a wireless receiving unit. It is possible to record / play back audio / video wirelessly received from the outside.

FIG. 4 shows a detailed configuration of a reproducing apparatus 200 for reproducing data to and from the memory cassette 100 when the internal memory 3 is a memory (ROM) capable of reading (reproducing) data only. In the configuration of the recording / reproducing apparatus of FIG. 3, the microphone (Mic), the input amplifier 71, the A / D converter 61, and the encoder 70, which are the components for recording data, are removed. The controller 50 is the same as the above-described configuration and operation of FIG. 3 except that the controller 50 performs only the reproduction process of the recording data without performing the data recording process for the internal memory 3 of the memory cassette 100, In the case where the playback apparatus 200 further includes a monitor, the video data recorded in the internal memory (ROM) 3 of the memory cassette 100 is subjected to the monitor through the same process as the above-described audio data playback. Can be reproduced and output.

In addition, in the above embodiment, the sliding engaging end which is caught on the locking step (200a) provided in the outer side of the memory cassette 100, the insertion / mounting apparatus 200 by the elastic restoring force 40 is provided outside the case as shown in FIG. 1, and the locking jaw 200a is provided in the cassette insertion space of the recording / reproducing apparatus 200, as shown in FIG. After the memory cassette 100 is mounted, the memory cassette 100 may not be separated from each other by vibration or shock.

The memory cassette recording / reproducing apparatus according to the present invention configured and operated as described above implements a memory type A / V device that records data in an inserted memory cassette internal memory and also reproduces recorded data on the memory. By eliminating the configuration for separate recording / playback such as the deck, the cost and volume of the device are reduced, which makes it very easy to use as a handheld device, and does not interfere with data recording and playback even in the case of severe movement such as moving. In addition, it is a very useful invention that the mutual memory can be interchangeably installed in the A / V period of the memory system if only the specifications of the connection pins of the memory cassette match.

Claims (5)

A memory cassette having a case and a memory for storing data inside the case and having an electrical connection portion connected to a signal line of the memory outside the case; A recording medium mounting portion which enables free mounting and detachment of the memory cassette; And And a reproducing apparatus which reads out and reproduces the recorded data of the memory through the electrical connection portion. The method of claim 1, The recording medium mounting portion has an insertion space formed therein at the front of the playback device, and the memory cassette is slid into the insertion space when the recording medium is mounted on the recording medium mounting portion and is coupled to the recording medium mounting portion through the electrical connection portion. And a memory cassette reproducing apparatus. A memory cassette having a case and a memory for storing data inside the case and having an electrical connection portion connected to a signal line of the memory outside the case; A recording medium mounting portion which enables free mounting and detachment of the memory cassette; And And a recording / reproducing apparatus which transmits data through the electrical connection unit to record in the memory, and reads out and reproduces recorded data of the memory through the electrical connection unit. The method of claim 3, wherein And a sliding switch for prohibiting data storage in the memory outside the case. The method of claim 4, wherein The recording / reproducing apparatus comprises a switch state detecting means for detecting a state of the sliding switch, And the recording / reproducing apparatus prohibits recording of data to the memory in accordance with a detection result of the switch state detecting means.

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