KR0132298Y1 - Portable Recorder - Google Patents
Portable Recorder Download PDFInfo
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- KR0132298Y1 KR0132298Y1 KR2019940014387U KR19940014387U KR0132298Y1 KR 0132298 Y1 KR0132298 Y1 KR 0132298Y1 KR 2019940014387 U KR2019940014387 U KR 2019940014387U KR 19940014387 U KR19940014387 U KR 19940014387U KR 0132298 Y1 KR0132298 Y1 KR 0132298Y1
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- 230000005236 sound signal Effects 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/022—Cases
- G11B33/025—Portable cases
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
- G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
- G11B33/122—Arrangements for providing electrical connections, e.g. connectors, cables, switches
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- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
본 고안은 휴대용 녹음재생장치에 관한 것으로서, 음성을 전기적신호로 변환하는 마이크; 제1신호입력부; 제1반도체 메모리; 상기 제1신호입력부에서 공급되는 음성신호를 디지탈변환하여 얻은 음성데이타를 상기 제1반도체메모리에 저장하고 저장된 음성데이타를 독출하여 아날로그변환해서 재생된 음성신호를 출력하는 제1신호처리부; 제1액티브필터수단; 외부오디오신호를 입력하기 위한 라인잭; 제2신호입력부; 제2반도체메모리; 상기 제2신호입력부에서 공급되는 오디오신호를 디지탈변환하여 얻은 오디오데이타를 상기 제1반도체메모리에 저장하고 저장된 오디오데이타를 독출하여 아날로그변환해서 재생된 오디오신호를 출력하는 제1신호처리부; 제2액티브필터수단; 상기 제1 및 제2 액티브 필터수단의 출력을 선택하는 출력선택스위칭수단; 상기 출력선택 스위칭수단에 의해 선택된 신호를 증폭하여 스피커를 통해 음성출력하는 스피커 출력수단; 상기 출력선택 스위칭수단에 의해 선택된 신호를 증폭하여 이어폰잭을 통해 출력하는 이어폰출력수단; 및 전원스위치, 마이크 및 라인선택스위치, 재생스위치 및 녹음스위치들의 스위칭동작에 응답하여 상기 제1 및 제2신호처리부의 기록재생동작을 제어하고 상기 출력선택스위칭수단을 제어하는 제어수단을 구비한다.The present invention relates to a portable recording and playback device, comprising: a microphone for converting a voice into an electrical signal; A first signal input unit; A first semiconductor memory; A first signal processor for storing voice data obtained by digitally converting the voice signal supplied from the first signal input unit in the first semiconductor memory, reading out the stored voice data, and converting the converted voice signal to output a reproduced voice signal; First active filter means; A line jack for inputting an external audio signal; A second signal input unit; A second semiconductor memory; A first signal processing unit for storing audio data obtained by digitally converting the audio signal supplied from the second signal input unit in the first semiconductor memory, reading out the stored audio data and performing analog conversion to output the reproduced audio signal; Second active filter means; Output selection switching means for selecting outputs of the first and second active filter means; Speaker output means for amplifying a signal selected by the output selection switching means and outputting a voice through a speaker; Earphone output means for amplifying the signal selected by the output selection switching means and outputting the earphone jack; And control means for controlling recording and reproducing operations of the first and second signal processing units and controlling the output selection switching means in response to switching operations of a power switch, a microphone and a line selection switch, a reproduction switch, and a recording switch.
Description
제1도는 본 고안에 의한 휴대용 녹음재생장치의 외관사시도.1 is an external perspective view of a portable recording and playback apparatus according to the present invention.
제2도는 본 고안에 의한 휴대용 녹음재생장치의 블럭도.2 is a block diagram of a portable recording and playback apparatus according to the present invention.
본 고안은 휴대용 녹음재생장치에 관한 것으로서, 특히 수 분 내지 수 십분이내의 간단한 내용을 녹음재생하기 위한 휴대용 녹음재생장치에 관한 것이다.The present invention relates to a portable recording and reproducing apparatus, and more particularly, to a portable recording and reproducing apparatus for recording and reproducing simple contents within a few minutes to several tens of minutes.
기존의 자기테이프 휴대용 녹음재생장치는 자기테이프의 길이에 따라 한시간 이상의 장시간 녹음이 가능하다는 장점이 있으나 두개의 릴사이에서 자기테이프를 소정의 속도로 공급하기 위한 데크메카니즘을 구비하기 때문에 장치의 부피 및 무게를 카세트테이프의 사이즈이하로 줄이는 것은 불가능하다. 그러므로, 휴대하기 불편하고 모터를 구동하기 때문에 배터리소모가 커서 배터리 교환을 자주해야하는 번거로움이 있다.Conventional magnetic tape portable recording and playback apparatus has the advantage of being able to record longer than one hour depending on the length of the magnetic tape. It is not possible to reduce the weight below the size of the cassette tape. Therefore, it is inconvenient to carry and the motor is driven, so the battery consumption is large, and there is a need for frequent battery replacement.
또한, 어학학습을 하는 경우에 반복해서 재생할 경우에 되감기동작을 반드시 거쳐야 하므로 반복재생시 응답속도가 떨어지므로 조작상 불편하고 학습효과를 떨어뜨리는 문제가 있었다.In addition, since the rewinding operation must be performed in the case of repetitive playback in the case of language learning, there is a problem that the operation speed is inconvenient and the learning effect is lowered because the response speed is decreased during the repeated playback.
본 고안이 목적은 이와같은 종래 기술의 문제점을 해결하기 위하여 반도체 메모리를 사용하여 수 분에서 수십 분이내의 음성 및 오디오신호를 각각 녹음 및 재생이 가능한 휴대용 녹음재생장치를 제공하는 데 있다.An object of the present invention is to provide a portable recording and playback apparatus capable of recording and playing voice and audio signals within minutes to tens of minutes using a semiconductor memory to solve the problems of the prior art.
상기 목적을 달성하기 위하여 본 고안은 음성을 전기적신호로 변환하는 마이크; 상기 마이크를 통한 입력신호를 증폭하고 필터링하는 제1신호입력부; 제1반도체 메모리; 상기 제1신호입력부에서 공급되는 음성신호를 디지탈변환하여 얻은 음성데이타를 상기 제1반도체메모리에 저장하고 저장된 음성데이타를 독출하여 아날로그변환해서 재생된 음성신호를 출력하는 제1신호처리부; 상기 재생된 음성신호를 필터링하는 제1액티브필터수단; 외부오디오신호를 입력하기 위한 라인잭; 상기 라인잭을 통한 오디오입력신호를 필터링하는 제2신호입력부; 제2반도체메모리; 상기 제2신호입력부에서 공급되는 오디오신호를 디지탈변환하여 얻은 오디오데이타를 상기 제2반도체메모리에 저장하고 저장된 오디오데이타를 독출하여 아날로그변환해서 재생된 오디오신호를 출력하는 제2신호처리부; 상기 재생된 오디오신호를 필터링하는 제2액티브필터수단; 상기 제1 및 제2 액티브 필터수단의 출력을 선택하는 출력선택 스위칭수단; 상기 출력선택 스위칭수단에 의해 선택된 신호를 증폭하여 스피커를 통해 음성출력하는 스피커 출력수단; 상기 출력선택 스위칭수단에 의해 선택된 신호를 증폭하여 이어폰잭을 통해 출력하는 이어폰출력수단; 전원스위치, 마이크 및 라인선택스위치, 재생스위치 및 녹음스위치들의 스위칭동작에 응답하여 상기 제1 및 제2신호처리부의 기록재생동작을 제어하고 상기 출력선택스위칭수단을 제어하는 제어수단 및 상기 각 수단들에 전원을 공급하는 전원수단을 하나의 케이스에 일체로 구비한 것을 특징으로 한다.The present invention to achieve the above object is a microphone for converting the voice into an electrical signal; A first signal input unit for amplifying and filtering an input signal through the microphone; A first semiconductor memory; A first signal processor for storing voice data obtained by digitally converting the voice signal supplied from the first signal input unit in the first semiconductor memory, reading out the stored voice data, and converting the converted voice signal to output a reproduced voice signal; First active filter means for filtering the reproduced voice signal; A line jack for inputting an external audio signal; A second signal input unit for filtering an audio input signal through the line jack; A second semiconductor memory; A second signal processing unit for storing audio data obtained by digitally converting the audio signal supplied from the second signal input unit in the second semiconductor memory, reading out the stored audio data and performing analog conversion to output the reproduced audio signal; Second active filter means for filtering the reproduced audio signal; Output selection switching means for selecting outputs of the first and second active filter means; Speaker output means for amplifying a signal selected by the output selection switching means and outputting a voice through a speaker; Earphone output means for amplifying the signal selected by the output selection switching means and outputting the earphone jack; Control means for controlling the recording and reproducing operation of the first and second signal processing units and the output selection switching means and the respective means in response to switching operations of a power switch, a microphone and a line selection switch, a reproduction switch and a recording switch; It characterized in that it is provided with a power supply unit for supplying power to one case integrally.
첨부된 도면을 참조하여 본 고안을 보다 상세하게 설명하고자 한다.With reference to the accompanying drawings will be described in detail the present invention.
제1도는 본 고안에 의한 휴대용 녹음재생장치의 외관사시도이다.1 is an external perspective view of a portable recording and reproducing apparatus according to the present invention.
제1도에서 케이스(1)의 상면에는 스피커로부터 출력되는 음성이 방출되는 스피커창(2)이 형성되고 전원스위치(3), 마이크/라인 선택스위치(4), 녹음스위치(5), 재생스위치(6)가 형성되고, 일 측면에는 마이크창(7), 라인잭(8), 이어폰잭(9)이 형성된다. 도면에는 나타나 있지 않지만 케이스의 배면에는 배터리덮개가 형성되어 있다.In FIG. 1, a speaker window 2 is formed on the upper surface of the case 1, and a power switch 3, a microphone / line selection switch 4, a recording switch 5, and a playback switch are formed on the upper surface of the case 1. (6) is formed, one side of the microphone window (7), line jack (8), earphone jack (9) is formed. Although not shown in the drawing, a battery cover is formed on the back of the case.
제2도는 본 고안에 의한 휴대용 녹음재생장치의 회로블럭도이다. 제2도에서 10은 음성을 전기적신호로 변환하는 마이크이고, 20은 상기 마이크(10)를 통한 입력신호를 볼륨(21)을 통해 레벨을 조정하고 증폭기(22), 지동이득제어기(23), 증폭기(24)를 통해서 레벨을 증폭하고 액티브필터(25)를 통해서 필터링하는 제1신호입력부이고, 30은 제1반도체 메모리이고, 40은 상기 제1신호입력부(20)에서 공급되는 음성신호를 디지탈변환하여 얻은 음성데이타를 상기 제1반도체메모리(30)에 저장하고 저장된 음성데이타를 독출하여 아날로그변환해서 재생된 음성신호를 출력하는 제1신호처리부이다. 여기서, 제1반도체메모리(30)와 제1신호처리부(40)은 원칩으로 공급되는 공지의 음성합성집적회로를 사용할 수 도 있다. 50은 상기 재생된 음성신호를 필터링하는 제1액티브필터수단이고, 9는 외부 오디오신호를 입력하기 위한 라인잭이고 60은 상기 라인잭(9)을 통한 오디오신호를 저항(61) 및 볼륨(62)로 레벨조정하고 결합캐패시터(63) 및 액티브필터(64)를 통해 필터링하는 제2신호입력부이고, 70은 제2반도체메모리이고, 80은 상기 제2신호입력부(60)에서 공급되는 오디오신호를 디지탈변환하여 얻은 오디어데이타를 상기 제2반도체메모리(70)에 저장하고 저장된 오디오데이타를 독출하여 아날로그변환해서 재생된 오디오신호를 출력하는 제2신호처리부이다. 여기서, 마찬가지로 제2도체메모리(70) 및 제2신호처리부(80)은 공지의 원칩 음성합성집적회로를 사용할 수 도 있다. 90은 재생된 오디오신호를 필터링하는 제2액티브필터수단이고, 100은 상기 제1 및 제2액티브 필터수단(50, 90)의 출력을 선택하는 출력선택스위칭수단이고, 110은 상기 출력선택 스위칭수단(100)에 의해 선택된 신호를 볼륨(111)에 의해 증폭률이 조정되는 증폭기(112)를 통해 증폭하여 스피커(113)를 통해 음성출력하는 스피커 출력수단이고, 120은 상기 출력선택 스위칭수단(100)에 의해 선택된 신호를 증폭기(121)증폭하여 저항(122) 및 이어폰잭(9)를 통해 출력하는 이어폰출력수단이다.2 is a circuit block diagram of a portable recording and reproducing apparatus according to the present invention. In FIG. 2, reference numeral 10 denotes a microphone for converting a voice into an electrical signal, and 20 denotes an amplifier 22, a dynamic gain controller 23, for adjusting the level of the input signal through the microphone 10 through the volume 21. A first signal input unit for amplifying the level through the amplifier 24 and filtering through the active filter 25, 30 is the first semiconductor memory, 40 is a digital signal of the audio signal supplied from the first signal input unit 20 And a first signal processor for storing the converted voice data in the first semiconductor memory 30, reading out the stored voice data, and converting the reproduced voice signal to output the reproduced voice signal. Here, the first semiconductor memory 30 and the first signal processing unit 40 may use a known voice synthesis integrated circuit supplied as a single chip. 50 is a first active filter means for filtering the reproduced voice signal, 9 is a line jack for inputting an external audio signal, and 60 is a resistor 61 and a volume 62 for receiving an audio signal through the line jack 9. The second signal input unit for level adjustment and filtering through the coupling capacitor 63 and the active filter 64, 70 is the second semiconductor memory, and 80 is the audio signal supplied from the second signal input unit 60. And a second signal processing section for storing the audio data obtained by digital conversion in the second semiconductor memory 70, reading the stored audio data, and converting the analog audio to reproduce the reproduced audio signal. Here, similarly, the second conductor memory 70 and the second signal processing unit 80 may use a well-known one-chip voice synthesis integrated circuit. 90 is second active filter means for filtering the reproduced audio signal, 100 is output selection switching means for selecting outputs of the first and second active filter means 50, 90, and 110 is the output selection switching means. A speaker output means for amplifying the signal selected by the (100) through the amplifier 112, the amplification rate is adjusted by the volume 111, and outputs the voice through the speaker 113, 120 is the output selection switching means (100) It is an earphone output means for amplifying the signal selected by the amplifier 121 and outputs through the resistor 122 and the earphone jack (9).
130은 전원스위치(3), 마이크 및 라인 선택스위치(4), 녹음스위치(5) 및 재생스위치(6)들의 스위칭동작에 응답하여 상기 제1 및 제2신호처리부(40, 80)의 기록재생동작을 제어하고 상기 출력선택스위칭수단(100)을 제어하는 제어수단이다. 즉, 제어수단(130)은 전원스위치(3) 및 선택스위치(3, 4)의 스위칭동작에 응답하여 제어신호들을 발생하여 시스템을 제어한다. 140은 전원수단이고 이 전원수단(140)은 배터리(141)이 출력을 3단자 레귤레이터(142)를 통하여 정전압화 한 다음에 캐패시터(143)를 충전하고 이 캐패시터(143)의 충전전압으로 각 수단들에 인가하게 된다.In response to the switching operation of the power switch 3, the microphone and line selection switch 4, the recording switch 5 and the reproduction switch 6, the recording and reproduction of the first and second signal processing units 40 and 80 are performed. Control means for controlling the operation and controlling the output selection switching means (100). That is, the control means 130 generates the control signals in response to the switching operation of the power switch 3 and the selection switch (3, 4) to control the system. 140 is a power supply means, and the power supply means 140 charges the capacitor 143 after the battery 141 has made the output voltage constant through the three-terminal regulator 142, and the charging voltage of the capacitor 143 is used for each means. To the fields.
이와같이 구성된 본 고안의 동작은 다음과 같다.The operation of the present invention configured as described above is as follows.
먼저, 간단한 메모내용을 음성으로 녹음해 두고 싶을 경우에는 전원스위치(3)를 누르고 마이크를 선택스위치(4)로 선택하면, 제어수단(130)은 제어신호(PW1, RD1)를 출력하여 제1신호처리수단(40)에 전원전압이 공급되도록하고 녹음모드로 동작시킨다. 이어서, 마이크(10)를 통해 입력된 음성은 제1신호입력부(20)를 통해 제1신호처리수단에 전달되고 이 신호는 디지탈변환되어 음성데이타로 제1반도체메모리(30)에 순차적으로 기록되게 된다. 녹음이 된 상태에서 재생스위치(6)를 누르면 출력선택 스위칭수단(100)이 제1액티브필터를 선택하게 제어되고 이어서, 제어신호(PL1)에 의해 제1신호처리부(40)는 재생모드로 동작되어 제1반도체 메모리로부터 음성데이타를 순차적으로 독출하고 이 독출된 음성데이타는 아날로그변환되어 액티브필터(50) 인가되어 필터링된 후에 출력선택 스위칭수단(100)을 통하여 스피커(113) 또는 이어폰잭(9)에 연결되는 이어폰을 통해서 음성재생된다. 이러한 녹음 또는 재생동작 중에 정지하고자 할 때에는 전원스위치(3)를 누르면 전원공급이 중단되어 동작이 정지되게 된다.First, when the user wants to record a simple memo by voice, pressing the power switch 3 and selecting the microphone as the selection switch 4, the control means 130 outputs the control signals PW1 and RD1 to the first. The power supply voltage is supplied to the signal processing means 40 and operated in the recording mode. Subsequently, the voice input through the microphone 10 is transmitted to the first signal processing means through the first signal input unit 20, and this signal is digitally converted to be sequentially recorded in the first semiconductor memory 30 as voice data. do. When the playback switch 6 is pressed in the recording state, the output selection switching means 100 is controlled to select the first active filter. Then, the first signal processor 40 operates in the playback mode by the control signal PL1. The voice data is sequentially read from the first semiconductor memory, and the read voice data are analog-converted, applied to the active filter 50, and filtered, and then output through the output selection switching means 100 to the speaker 113 or the earphone jack 9. The voice is played through the earphone connected to). When the recording or reproducing operation is to be stopped, pressing the power switch 3 stops the power supply and the operation is stopped.
상술한 음성의 녹음 및 재생동작과 마찬가지로, 라인잭(8)을 통하여 뮤직신호나 어학학습신호등의 오디오신호를 녹음하고자 하는 경우에는 카세트테이프 플레이어의 라인출력단자를 라인잭(8)에 연결하고 전원스위치(3) 및 라인선택스위치(4)를 눌러서 제어수단(130)에서 제어신호(PW2, RD2, PL2)를 발생하여 제2신호처리부(80)를 제어해서 오디오신호를 제2반도체메모리(70)에 녹음하고 이 녹음된 오디오신호를 출력선택스위칭수단(100)을 통해서 스피커나 이어폰으로 재생하여 들을 수 있다. 이러한 동작을 표로 정리 하면 다음과 같다.Similar to the above-described recording and reproducing operation of the voice, when recording audio signals such as music signals or language learning signals through the line jack 8, the line output terminal of the cassette tape player is connected to the line jack 8, and the power source is connected. By pressing the switch 3 and the line selection switch 4, the control means 130 generates the control signals PW2, RD2 and PL2 to control the second signal processing unit 80 to control the audio signal to the second semiconductor memory 70. The audio signal can be recorded and reproduced through a speaker or earphone through the output selection switching means 100. These actions can be summarized as follows.
이상과 같이 본 고안에서는 마이크나 라인잭을 통하여 음성이나 오디오신호를 수 분 내지 수십 분이내로 기록하고 재생할 수 있으므로 휴대시 간단한 메모 등을 음성으로 기록하고 나중에 이를 재생하여 확인할 수 있고, 오늘 듣고 싶은 곡, 한 두곡 정도를 라인잭을 통해서 녹음하고 이를 재생하여 들을 수 있으며 영어 한 문장정도를 녹음하여 반복해서 아주 간편하고 신속하게 재생할 수 있으므로 학습효과를 증대시킬 수 있다. 더구나, 음성모드를 통해 자기가 발음한 내용을 녹음하고 이를 오디오녹음과 재생하여 비교할 수 있어서 한층 더 학습효과를 높일 수 있다.As described above, the present invention can record and play back a voice or audio signal through a microphone or a line jack within a few minutes to several tens of minutes. For example, one or two songs can be recorded and played through the line jack, and one or more English sentences can be recorded and played back very simply and quickly, thereby increasing the learning effect. Moreover, the voice mode can be recorded and compared with the audio recordings and the pronunciation of the audio can be compared to further enhance the learning effect.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940014387U KR0132298Y1 (en) | 1994-06-20 | 1994-06-20 | Portable Recorder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940014387U KR0132298Y1 (en) | 1994-06-20 | 1994-06-20 | Portable Recorder |
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| Publication Number | Publication Date |
|---|---|
| KR960002918U KR960002918U (en) | 1996-01-22 |
| KR0132298Y1 true KR0132298Y1 (en) | 1998-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019940014387U KR0132298Y1 (en) | 1994-06-20 | 1994-06-20 | Portable Recorder |
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| KR (1) | KR0132298Y1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20030084439A (en) * | 2002-04-26 | 2003-11-01 | 주식회사 디지탈웨이 | Portable audio apparatus |
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1994
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