KR20090004799A - The headset for a sound power telephone system - Google Patents

The headset for a sound power telephone system Download PDF

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Publication number
KR20090004799A
KR20090004799A KR1020080112478A KR20080112478A KR20090004799A KR 20090004799 A KR20090004799 A KR 20090004799A KR 1020080112478 A KR1020080112478 A KR 1020080112478A KR 20080112478 A KR20080112478 A KR 20080112478A KR 20090004799 A KR20090004799 A KR 20090004799A
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South Korea
Prior art keywords
amplifier
earphone
terminal
microphone
wiring
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KR1020080112478A
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Korean (ko)
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KR101000127B1 (en
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김옥수
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김옥수
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/001—Adaptation of signal processing in PA systems in dependence of presence of noise

Abstract

A headset for a sound power telephone system is provided to improve the voice quality by improving the tone quality and setting up the IC circuit in the amplifier. A PCB amplification panel(22) is installed inside the amplifier(10). The case is manufactured into the cube. Transmitting and receiving wiring vent(12) is formed at the front and back side of the case. The microphone wiring is connected to a microphone(70) and an earphone wiring(62). An earphone is operated through an earphone cap(60). A transmission wiring exit(14) is formed in order to connect an output line(46) and a connector(44). A transmitting and receiving button(16) and a battery switch(18) is installed at the location corresponding to the lid of the rectangular shape part. The earphone and the microphone are connected to the amplifier. The connector is inserted into the jack connected to the antenna. A clip is located in one side of the amplifier.

Description

음력전화장치용 헤드세트 {The Headset for a sound power telephone system}Headsets for Lunar Telephone Devices {The Headset for a sound power telephone system}

본 발명은 그동안 다양한 장치를 장착하여 깨끗한 음질의 송수신을 위한 무선장치를 보다 효율성 높고 가벼운 두개골착용 송수신기로 개발하여 생활문화의 발전으로 인한 가냘픈 체구에 알맞은 통신장치소형화와 음질보장을 위한 기기성능의 향상을 개발하는 통신 분야의 기술이다.The present invention has been developed a wireless device for the transmission and reception of clean sound quality by mounting a variety of devices as a more efficient and lightweight skull wearing transceiver to improve the device performance for miniaturizing the communication device suitable for the slim body due to the development of life culture Is a technology in the field of communications to develop.

특히 최근에 각종 자료를 대량으로 입력할 수 있는 IC들의 출시로 증폭장치 상호교류를 회로로 제어할 수 있는 시스템이 개발되므로 인해 이를 수용하여 내장하므로 증폭시스템을 강화시킬 수 있는 점을 활용하여 수신터미널과 송신터미널 간의 상호교류통제기능과 배터리터미널과 출력터미널 등도 통제하면서 음질을 향상시켜 통화를 깨끗하게 실행할 수 있게 제작하는 제조기술 분야이기도 하다.Especially, with the introduction of ICs that can input various data in a large amount, a system is developed to control the amplification device interaction with a circuit. It is also a manufacturing technology field that improves the sound quality while controlling the interaction between the communication terminal and the transmitting terminal, controlling the battery terminal and the output terminal, and making the call clean.

본 증폭장치는 IC회로를 내장하므로 과거의 복잡한 릴레이나 타이머 등을 배제하므로 가벼워진 송수신장치를 제작하여 머리에 착용하게 하므로 과거와 같이 나약한 이들에게 가볍게 착용하여 머리에 무게를 가하므로 인한 중압감을 해소시켜 두뇌활동에 지장을 주지 않게 하는 신체적인 문제의 해결과 긴박한 순간에 정확한 쌍방 간의 대화를 유도할 수 있는 송수신장치로 개발하는 것을 배경으로 하였다.This amplification device eliminates the complicated relays and timers of the past because it has a built-in IC circuit, which makes lighter transceivers and wears them on the head. The background was to develop a transmitter and receiver capable of solving physical problems that do not interfere with brain activity and inducing an accurate dialogue between the two parties in an urgent moment.

또한 종래의 편이성을 감안하여 송수신을 겸하게 하므로 통화음질에 영향을 준 동시작동을 분리하여 통화와 수신을 개별화시킬 때의 번잡함을 줄일 버튼방식의 단순장치로 가볍게 누르며 통화할 수 있도록 귀마개 외측에 장착하는 등 편리성도 감안하여 헤드세트의 제작도 개발기술의 배경으로 하였다.In addition, in order to transmit and receive in consideration of the convenience of the conventional to separate the simultaneous operation affecting the call sound quality to reduce the complexity of individualizing the call and the reception button simple device to be mounted on the outside of the earplug so that the call can be pressed lightly Considering the convenience, etc., the production of the headset was also the background of the development technology.

본 발명이 해결하고자 하는 과제는 헤드세트(Headset)로 구성되는 송수화기로서 그간의 송수화기는 각종 내부터미널 간의 상호작용을 위한 릴레이 등의 보조기기가 크고 무거워 이로 인한 완성제품이 무겁고 커서 사용하는 이들에게 중압감을 주었고 이를 착용한 각종 통화와 동작 등에 어려움을 주어왔던 크기와 중량에 대한 소형화과제와 통화 중에 송신에서 상대방에게 잡음을 주므로 인한 동시송수신을 분리하여 송신과 수신을 분리시키는 과제이다.The problem to be solved by the present invention is a handset composed of a headset (set) handset is a large and heavy auxiliary equipment, such as relay for interaction between the various internal and internal terminals, resulting in a heavy and heavy to those who use the finished product is heavy It is a task to separate the transmission and reception by separating the simultaneous transmission and reception due to the miniaturization task for the size and weight, which has caused difficulty in various calls and operations, and the noise in the transmission during the call.

이러한 문제점을 해결할 수 있는 송신터미널과 수신터미널 간의 상호연계관계와 이들을 위한 전원공급터미널 및 송신터미널 등의 연계방법을 IC회로로 대체할 수 있으므로 그간의 미소한 부분까지 모두 IC회로로 대체하고 음질향상을 위한 분리체계의 간소화 등으로 해결시키는 것이다.IC circuits can be replaced by IC circuits, and the interconnection method of power supply terminal and transmitter terminal for transmitting these problems can be replaced with IC circuits to improve sound quality. The solution is to simplify the separation system.

본 발명으로 인하여 각 개인 간의 체격차이로 인한 신체차이에 관계없이 심지어 어린이들까지 간편하고 가볍게 사용할 수 있는 통신기기로 제공되므로 인해 그간 이를 착용하는 이들의 신체적 채용 문제를 해결할 수 있으므로 인해 인력관리 부분에서 체력을 고려하지 않고 배치할 수 있는 효과가 기대된다.Due to the present invention, since it is provided as a communication device that can be used simply and lightly, even children, regardless of the physical difference caused by the physique difference between each individual, it can solve the physical recruiting problem of those who wear it in the human resources management part The effect that can be arranged without considering the physical strength is expected.

또한 기기의 향상으로 통신에서 상호교신을 원활하게 수행시킬 수 있게 되었고 이로 인한 사용범위를 확대시킬 수 있으므로 인해 본 발명품의 공급범위가 확대되어 본 분야의 산업발전에 획기적인 발전을 제공하는 효과도 기대된다.In addition, it is possible to smoothly communicate with each other due to the improvement of the device, and the range of use thereof can be expanded, so that the scope of supply of the present invention can be expanded to provide a breakthrough in industrial development in this field. .

본 발명의 증폭기로 가벼워진 머리착용송수신장치를 제작하기 위해 기존의 방식에서 큰 차이가 없으나 증폭기(10) 내에서 피시비증폭패널(22) 내의 배열을 간소화하여 배터리터미널(40)에 전원을 공급하는 배터리(24)의 크기를 직류9볼트로 하고 이를 공급할 배터리스위치(18)를 전원공급배선의 일 부위에 조립하여 장착시키고 역시 일 부위에 송신 시에 일시 차단시킬 수 있는 송신푸시버튼(16)도 조립하여 설치하므로 송신 시에는 잡음이 전달되지 않도록 하는 것이다.A battery for supplying power to the battery terminal 40 by simplifying the arrangement in the amplifier amplifier panel 22 in the amplifier 10, although there is no significant difference in the conventional method for manufacturing the head-wearing transmission and reception device lighter with the amplifier of the present invention. The size of the 24 is set to 9 volts DC, and the battery switch 18 to be supplied is assembled to be mounted on a portion of the power supply wiring, and the transmission push button 16 is also assembled to temporarily block the transmission at a portion. It is installed so that noise is not transmitted during transmission.

이어폰터미널(50)과 마이크로폰터미널(52)은 LM386N-1의 IC회로 칩(20)을 세팅시켜 이를 통해 상호 제어되면서 양질의 송수신을 가능하게 하고 이어서 각각 송수신배선출구(12)를 통해 좌우로 배치되는 이어폰(64)에 이어폰배선(62)으로 연결시키고 마이크로폰터미널(52)도 마이크로폰배선(54)을 송수신배선출구(12)로 뽑아 조립되는 볼룸버튼(74)을 거쳐 폰 지지대(72)로 마이크로폰배선(54)을 연장하여 마이크로폰(70)과 연결시킨다.The earphone terminal 50 and the microphone terminal 52 set the IC circuit chip 20 of the LM386N-1 to enable high quality transmission and reception while being mutually controlled, and then disposed left and right through the transmission and reception wiring outlets 12, respectively. The microphone 64 is connected to the phone support 72 through a ballroom button 74 which is connected to the earphone 64 to be connected to the earphone wire 62 and the microphone terminal 52 is also pulled out of the microphone wire 54 by the transmission / reception wiring outlet 12. The wire 54 is extended to connect with the microphone 70.

이와 같이 조립되었으면 이들의 기능을 조절시킬 50볼트에 100마이크로주파수를 지닌 제1콘덴서(30)와 제3콘덴서(34)를 장착하고 1/4와트에 1Kr를 가진 제1레 지스터(36)로 음성신호를 전기적신호로 변환시켜 증폭기에 입력시키고 1/4와트에 10r을 갖는 제2레지스터(38)로 50볼트에 10μF의 제2콘덴서(32)에 입력된 음성신호의 증폭비율을 조절시키면서 출력터미널(42)을 경유하여 송출배선출구(14)를 통해 연결되는 출력배선(46)의 말미에 부착된 플러그 즉, 커넥터(44)로 연결시켜 송출하도록 제작한다.When assembled as described above, the first capacitor 30 and the third capacitor 34 having 100 micro frequencies at 50 volts to control their functions are mounted and the first resistor 36 having 1Kr at 1/4 watt. The audio signal is converted into an electrical signal and input to an amplifier, and the second register 38 having 10 r at 1/4 watt is output while adjusting the amplification ratio of the audio signal input to the second capacitor 32 of 10 μF at 50 volts. The terminal 42 is connected to the end of the output wiring 46 connected through the delivery wiring outlet 14, that is, the connector 44 is manufactured to be connected.

좌우 귀에 착용을 용이하게 하기 위해 귀에 부착되는 이어폰(64)은 부드러운 재질로 제작하고 바깥은 단단한 재질로 좌우이어폰 캡(60)을 만들어 좌우로 배열되는 이어폰(64)과 결합시킨 후 머리위로 올리는 헤드착용밴드(68)로 연결하는데 이때에 이어폰(64)이 귀에 밀착될 수 있게 헤드폰홀더(66)에 스프링을 장착하면 더울 효과적으로 부착시킬 수 있을 것이다.Earphone 64 attached to the ear to facilitate wearing on the left and right ears is made of a soft material and the outside is made of hard material left and right earphone cap (60) to combine with the left and right earphones (64) arranged above the head to raise above the head The wear band 68 is connected to the headphone holder 66 so that the earphone 64 may be in close contact with the ear.

증폭기(10)의 내부를 보여주는 도 2는 IC회로 칩(20)과의 연결은 피시비증폭패널(22)에 내장되는 회로로 연결되어지므로 이를 상세히 표기하지 않았으나 이를 하나의 회로로 각각의 터미널(40, 42, 50, 52)과 각각의 레지스터(30, 32, 34) 등과 연결되어 구성되었으므로 이를 별도로 표시하지 않고 전체의 흐름으로 표시하여 도시하였으며 증폭기(10) 내에는 피시비증폭패널(22)과 배터리(24)가 내장되면서 외형으로는 두 개로 솟구치는 송신푸시버튼(16)과 배터리스위치(18)가 증폭기(10) 일 측면에 솟아있고 증폭기(10)의 앞과 뒤로는 송수신배선출구(12)와 무선송출배선출구(14)가 형성되어 각각에 해당되는 배선(46, 54, 62)이 배출되어 제작된다.2, which shows the interior of the amplifier 10, is connected to the IC circuit chip 20 by a circuit embedded in the PCB amplifier panel 22, and thus is not described in detail. , 42, 50, 52 and each of the resistors 30, 32, 34, and so on, are shown as a whole flow, not separately. The amplifier 10 includes a PCB amplifier 22 and a battery. The built-in (24) and the push button 16 and the battery switch 18 soaring in two outward appearance on the side of the amplifier 10, the front and rear of the amplifier 10 and the transmission and reception wiring outlet 12 and wireless Outgoing wiring outlets 14 are formed so that the corresponding wirings 46, 54, and 62 are discharged and manufactured.

이와 같이 제작된 증폭기(10)의 각각의 배선(46, 54, 62)에 연결되는 플러그 기능을 갖는 커넥터(44)와 헤드폰홀더(66)로 연결되는 한 벌의 이어폰 캡(60)으로 덮여져 부드럽게 양측 귀에 접촉되는 이어폰(64)으로 수신되고 일 측 이어폰 캡(60)에는 폰 지지대(72)로 마이크로폰(70)이 장착되고 다른 측의 이어폰 캡(60) 상측에는 볼룸버튼(74)이 장착되어 성량을 조절시켜 똑똑한 음성으로 전달되도록 한다.It is covered with a pair of earphone cap 60 connected to the connector 44 and the headphone holder 66 having a plug function connected to each of the wirings 46, 54, 62 of the amplifier 10 manufactured as described above. It is received by the earphones 64 which are gently in contact with both ears, and one earphone cap 60 is equipped with a microphone 70 as a phone support 72, and a ballroom button 74 is mounted above the earphone cap 60 on the other side. To control the volume so that it is delivered in a smart voice.

본 증폭기(10)에 내장시킬 피시비증폭패널(22)을 IT업체에 외주로 제작하고 증폭기(10)로 제작할 케이스를 6면체의 직사각형으로 제작한 후 직사각형 케이스 앞뒤로 송수신배선배출구(12)를 만들고 마이크로폰배선(54)을 연결하여 마이크로폰(70)을 접속하고 이어폰배선(62)을 연결하여 이어폰 캡(60)을 통해 이어폰(64)이 작동되도록 하였으며 송출배선출구(14)를 만들어 출력배선(46)을 연결하여 커넥터(44)를 장착하여 송출할 수 있게 조립한 후 직사각형상부 뚜껑에 해당하는 위치에 가지런히 송수신버튼(16)과 배터리스위치(18)를 설치할 위치에 구멍을 뚫고 끼워 연결시켜 직사가가형의 케이스로 완성되는 증폭기(10)로 제작하였다.Manufacture the PCB amplifier amplification panel 22 to be embedded in the amplifier 10 to the IT company, and the case to be produced by the amplifier 10 into a rectangular tetrahedron, and then the transmission and reception wiring outlets 12 at the front and rear of the rectangular case and the microphone By connecting the wiring 54, the microphone 70 was connected, and the earphone wiring 62 was connected so that the earphone 64 was operated through the earphone cap 60, and the output wiring outlet 14 was made to output the wiring 46. After assembling the connector (44) to assemble to send out, and then put a hole in the position to install the transmission and reception button 16 and the battery switch 18 in the position corresponding to the rectangular upper lid, The amplifier 10 was made of a dummy case.

이와 같이 제작된 증폭기(10)와 연결된 이어폰(64)과 마이크로폰(70)을 머리에 씌우고 커넥터(44)를 안테나에 연결된 잭에 끼우므로 유, 무선으로 통화를 할 수 있는 증폭기(10)로 가벼워진 머리착용 송수신장치로 사용할 수 있었고 또 클립(80)으로 윗옷 단추부위에 끼워 고정시키므로 몸을 움직여도 함께하도록 하였으며 클립(80)의 위치는 증폭기(10)의 일 측 옆면도(A)와 같게 하였다.Since the earphone 64 and the microphone 70 connected to the amplifier 10 manufactured as described above are put on the head and the connector 44 is inserted into a jack connected to the antenna, the amplifier 10 is lightened with a wired and wireless communication. It could be used as a head-receiving device, and the clip 80 was fixed to the upper part of the button so that the body could be moved together. The position of the clip 80 was the same as the side view (A) of the amplifier 10.

도 1은 본 발명의 음력전화장치용 헤드세트전체를 보여주는 전체사시도,1 is an overall perspective view showing the whole headset set for the lunar telephone apparatus of the present invention;

도 2는 본 발명의 증폭기내부와 각 구성의 연결을 보여주는 평면배열도,2 is a planar array diagram showing the connection between the internal structure of each amplifier of the present invention,

도 3은 본 발명의 음력전화장치용 헤드세트를 사진으로 보는 실물참고도,Figure 3 is a real reference picture to see the headset for the lunar telephone apparatus of the present invention,

＜부호에 대한 간단한 설명＞<Short description of code>

10 : 증폭기, 12 : 송수신배선출구,10: amplifier, 12: transmission and reception wiring outlet,

14 : 송출배선출구, 16 : 송신푸시버튼,14: outgoing wiring outlet, 16: transmitting push button,

18 : 배터리스위치, 20 : IC회로 칩,(LM386N-1),18: battery switch, 20: IC circuit chip, (LM386N-1),

22 : 피시비증폭패널, 24 : 배터리,(9V DC),22: PCB amplifier, 24: battery, (9V DC),

30 : 제1콘덴서,(50v, 100μF), 32 : 제2콘덴서,(50v, 10μF),30: first capacitor, (50v, 100μF), 32: second capacitor, (50v, 10μF),

34 : 제3콘덴서,(50v, 100μF), 36 : 제1레지스터,(1/4w, 1Kr),34: 3rd capacitor, (50v, 100μF), 36: 1st register, (1 / 4w, 1Kr),

38 : 제2레지스터,(1/4w, 10r), 40 : 배터리터미널,38: second register, (1 / 4w, 10r), 40: battery terminal,

42 : 출력터미널, 44 : 커넥터(플러그),42: output terminal, 44: connector (plug),

46 : 출력배선, 50 : 이어폰터미널,46: output wiring, 50: earphone terminal,

52 : 마이크로폰터미널, 54 : 마이크로폰배선,52: microphone terminal, 54: microphone wiring,

60 : 이어폰 캡, 62 : 이어폰배선,60: earphone cap, 62: earphone wiring,

64 : 이어폰, 66 : 헤드폰홀더,64: earphone, 66: headphone holder,

68 : 헤드착용밴드, 70 : 마이크로폰,68: head wearing band, 70: microphone,

72 : 폰 지지대, 74 : 볼룸버튼,72: phone support, 74: ballroom button,

80 : 클립, A : 증폭기의 일 측 옆면도,80: clip, A: side view of one side of the amplifier,

Claims (3)

일 측은 이어폰배선(62)을 수용하며 배터리터미널(50)에 송신푸시버튼(16)과 배터리스위치(18)로 조절되는 배선에 연결되는 배터리(24)로 전원을 공급받아 제1콘덴서(30)로 IC회로 칩(20)에 접속되고 다른 일 측은 제3콘덴서(34)로 접속된 후 제2레지스터(38)를 경유하여 제2콘덴서(32)로 정류시키는 이어폰터미널(50)과One side receives the earphone wire 62 and is supplied with power to the battery terminal 50 connected to the wires controlled by the transmission push button 16 and the battery switch 18 to the first terminal 30. The earphone terminal 50 is connected to the IC circuit chip 20 and the other side is connected to the third capacitor 34 and rectified to the second capacitor 32 via the second register 38. 일 측은 볼룸버튼(74)을 장착한 마이크로폰(70)을 수용하는 마이크로폰터미널(52)이 커넥터(44)와 연결 수용되고 다른 측은 제1레지스터(38)를 경유하여 수용하는 출력터미널(42)로 구성되는 피시비증폭패널(22)을 장착하는 것이 특징인 음력전화장치용 헤드세트One side is a microphone terminal 52 for receiving the microphone 70 equipped with a ballroom button 74 is connected to the connector 44 and the other side is an output terminal 42 for receiving via the first register 38 Headset for lunar telephone apparatus characterized by mounting the PCB amplifier panel 22 configured 제1항에 있어서, 일 측에 피시비증폭패널(22)을 수용하고 일 측에 배터리(24)를 수용하며 외부상단 일 측에 송수신버튼(16)과 배터리스위치(18)를 장착시키고 일 측 측면에는 송출배선출구(14)로 출력배선(46)을 수용하고 다른 측 측면에는 이어폰배선(62)과 마이크로폰(70) 배선을 수용하는 송수신배선출구(12)를 갖는 직사각함체의 증폭기(10)로 제작되는 것이 특징인 음력전화장치용 헤드세트According to claim 1, wherein one side receives the PCB amplification panel 22, one side receives the battery 24, the external transmission and reception button 16 and the battery switch 18 mounted on one side and one side To the amplifier 10 of the rectangular housing having an output wiring 46 to the output wiring outlet 14 and a transmitting and receiving wiring outlet 12 for receiving the earphone wiring 62 and the microphone 70 wiring on the other side. Headset for lunar telephone device characterized by being manufactured 이어폰(64)을 수용하는 배터리터미널(50)이 송신푸시버튼(16)과 배터리스위치(18)로 조절되는 배터리(24)로 전원을 공급받아 제1콘덴서(30)로 IC회로 칩(20)에 접속되고 다른 측은 제3콘덴서(34)와 제2레지스터(38)를 경유 제2콘덴서(32)로 이어폰터미널(50)에 장착되어 제2레지스터(38)와 제2콘덴서(32)로 정류되면서The battery terminal 50 accommodating the earphone 64 receives power from the battery 24 controlled by the transmission pushbutton 16 and the battery switch 18, and the IC circuit chip 20 to the first capacitor 30. The other side is connected to the earphone terminal 50 via the third capacitor 34 and the second register 38 via the third capacitor 34 and rectified by the second register 38 and the second capacitor 32. As 볼룸버튼(74)을 장착한 마이크로폰(70)을 수용하는 마이크로폰터미널(52)이 커넥터(44)에 연결되어 출력터미널(42)로 구성되는 피시비증폭패널(22)을 장착한 증폭기(10)로 송수신하는 것이 특징인 음력전화장치용 헤드세트제작방법The microphone terminal 52, which accommodates the microphone 70 equipped with the ballroom button 74, is connected to the connector 44 to an amplifier 10 equipped with a PCB amplifier panel 22 composed of an output terminal 42. Headset manufacturing method for lunar telephone apparatus characterized by transmitting and receiving
KR1020080112478A 2008-11-11 2008-11-11 The Headset for a sound power telephone system KR101000127B1 (en)

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KR20190017827A (en) * 2019-01-25 2019-02-20 정진욱 The battery's pad to attach an one-touch pin for a sliding door in the battery zone of headphone switch box, thereof its method of manufacture

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KR101069946B1 (en) * 2011-02-14 2011-10-04 김복겸 Wireless headset for ear protection from noise
KR101593636B1 (en) * 2015-07-13 2016-02-12 김현국 Laver drying screen

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US4620068A (en) 1984-06-06 1986-10-28 Remic Corporation Communication headset
JP2002369295A (en) 2001-06-07 2002-12-20 Eiken Kk Sound collector and cover for earphone

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