KR870005528A - Switching control circuit of music on hold function of telephone - Google Patents

Switching control circuit of music on hold function of telephone Download PDF

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Publication number
KR870005528A
KR870005528A KR1019850008996A KR850008996A KR870005528A KR 870005528 A KR870005528 A KR 870005528A KR 1019850008996 A KR1019850008996 A KR 1019850008996A KR 850008996 A KR850008996 A KR 850008996A KR 870005528 A KR870005528 A KR 870005528A
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KR
South Korea
Prior art keywords
telephone
unit
fet
music
terminals
Prior art date
Application number
KR1019850008996A
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Korean (ko)
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KR890000592B1 (en
Inventor
이병훈
Original Assignee
이재연, 하인츠 디터 캐루트
금성통신 주식회사
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Priority to KR1019850008996A priority Critical patent/KR890000592B1/en
Publication of KR870005528A publication Critical patent/KR870005528A/en
Application granted granted Critical
Publication of KR890000592B1 publication Critical patent/KR890000592B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephone Function (AREA)

Abstract

내용 없음No content

Description

전화기의 뮤직 온 홀드(Music On Hold) 기능 제어 스위칭 회로Switching control circuit for music on hold function of the telephone

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

본 발명의 회로장치가 부착된 전화기 회로의 개략도이다.A schematic diagram of a telephone circuit with a circuit device of the present invention.

*도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

100 : 정류회로부 200 : 톤 링거(tone ringer) 회로부100: rectifier circuit 200: tone ringer circuit

300 : 다이얼 회로부 400 : 송화기부 500 : MOH기능 제어회로부300: dial circuit portion 400: transmitter unit 500: MOH function control circuit portion

600 ; 스위칭 회로부 700 : 멜로디 발생부 800 : 전화 회로부600; Switching circuit unit 700: Melody generating unit 800: Telephone circuit unit

10 : 신호 발생부 20 : 제어 IC부 30 : 키패드(keypad)부10: signal generating unit 20: control IC unit 30: keypad unit

L1,L2 : 국선전원단자 SCR : 실리콘제어정류기L1, L2: CO line power terminal SCR: Silicon controlled rectifier

SW1,SW2: 논리킹(nonlocking)스위칭 C1-C3: 충방전용 콘덴서SW 1 , SW 2 : Nonlocking Switching C 1 -C 3 : Charge / Discharge Capacitor

R1-R7: 저항 FET1,FET2: 전계효과 트랜지스터R 1 -R 7 : resistor FET 1 , FET 2 : field effect transistor

Claims (3)

뮤직 온 홀드 기능을 가진 전화기에 있어서, 다이얼 회로부(300)의 일측단과 멜로디 발생부(700) 및 전화회로부(800)에 접속되어 있는 MOH기능 제어회로부(500)와 다이얼회로부(300), 송화기부(400), 톤발생부(700) 및 전화회로부(800)에 접속되어 있는 스위칭 회로부(600)를 상호 접속하여 구성한 것을 특징으로 하는 전화기의 뮤직 온 홀드 기능 제어 스위칭 회로.In the telephone having a music on hold function, the MOH function control circuit 500, the dial circuit 300, and the talker unit are connected to one end of the dial circuit unit 300, the melody generating unit 700, and the telephone circuit unit 800. A music on hold function control switching circuit for a telephone, characterized in that the switching circuit unit 600 connected to the 400, the tone generating unit 700, and the telephone circuit unit 800 are connected to each other. 제1항에 있어서,The method of claim 1, 접속점(1)에 실리콘 제어 정류기(SCR)의 에노드단자와 저항(R4)이 연결되어 있고, 실리콘 제어 정류기(SCR)의 에노드 단자와 케소드 단자 사이에 논로킹 스위치(SW1)가 병렬로 연결되어 있으며, 실리콘 제어 정류기(SCR)의 캐소드 단자와 게이트 단자 사이에는 충방전용 콘덴서(C1)(C3), 저항(R1)(R3) 및 다이오드(D)가 직, 병렬로 연결되어 있고, 저항(R4)에 저항(R2)및 충방전용 콘덴서(C2)가 연결되어 있으며, 저항(R2)와 다이오드(D)간의 논로킹 스위치(SW2)가 연결되어서 구성된 MOH기능 제어회로부(500)를 가지고 있는 것을 특징으로 하는 전화기의 뮤직 온 홀드 기능 제어스위칭 회로.An anode terminal and a resistor R 4 of the silicon control rectifier SCR are connected to the connection point 1 , and a non-locking switch SW 1 is provided between the anode terminal and the cathode terminal of the silicon control rectifier SCR. Connected in parallel, charge / discharge capacitors C 1 (C 3 ), resistors R 1 (R 3 ), and diode (D) are directly and parallel between the cathode and gate terminals of the silicon controlled rectifier (SCR). Connected to the resistor (R 4 ), the resistor (R 2 ) and the charge and discharge capacitor (C 2 ) are connected, and the non-locking switch (SW 2 ) between the resistor (R 2 ) and the diode (D) is connected Music on hold function control switching circuit of the telephone, characterized in that it has a configured MOH function control circuit unit (500). 제1항에 있어서, 송화기(400)의 일측단안 접속점(2)에 전계효과 트랜지스터(FET1)(FET2)이 드레인 단자가 연결되어 있으며, 전계효과 트랜지스터(FET1)(FET2)의 게이트 단자는 다이얼회로부(300)내의 제어 IC부(20)와 트랜지스터(TR1)(TR2)의 콜렉터 단자에 각각 연결되어 있고, 전계효과 트랜지스터(FET1)(FET2)의 소스 단자는 전화 회로부(800) 및 트랜지스터(TR1)(TR2)의 콜렉터 단자에 각각 연결되어 있으며, 트랜지스터(TR1)(TR2)의 에미터 단자는 멜로디 발생부(700)에 연결되어 있고, 트랜지스터(TR1)(TR2)의 베이스 단자가 멜로디 발생부(700) 및 MOH기능 제어히로부(500)내의 실리콘 제어정류기(SCR)의 캐소드 단자에 연결된 저항(R6)(R7)에 각각 연결되어서 구성된 스위칭 회로부(600)를가지고 있는 것을 특징으로 하는 전화기 뮤직 온 홀드 기능 제어 스위칭 회로.The field effect transistor FET 1 (FET 2 ) has a drain terminal connected to one side monocular connection point 2 of the transmitter 400, and the gate of the field effect transistor FET 1 (FET 2 ). The terminals are respectively connected to the control IC unit 20 and the collector terminals of the transistors TR 1 and TR 2 in the dial circuit unit 300, and the source terminals of the field effect transistors FET 1 and FET 2 are telephone circuit units. 800 and has an emitter terminal of the transistor (TR 1) (TR 2), and are connected to the collector terminal, a transistor (TR 1) (TR 2) in is connected to the melody generating part 700, a transistor (TR 1 ) The base terminals of (TR 2 ) are connected to the resistors (R 6 ) (R 7 ) connected to the cathode terminals of the silicon control rectifier (SCR) in the melody generator 700 and the MOH function control hero unit 500, respectively. Telephone music on hold function control switching characterized in that it has a configured switching circuit unit 600 A. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850008996A 1985-11-28 1985-11-28 Muxic on hold function control switching circuit of telephone KR890000592B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850008996A KR890000592B1 (en) 1985-11-28 1985-11-28 Muxic on hold function control switching circuit of telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850008996A KR890000592B1 (en) 1985-11-28 1985-11-28 Muxic on hold function control switching circuit of telephone

Publications (2)

Publication Number Publication Date
KR870005528A true KR870005528A (en) 1987-06-09
KR890000592B1 KR890000592B1 (en) 1989-03-21

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Application Number Title Priority Date Filing Date
KR1019850008996A KR890000592B1 (en) 1985-11-28 1985-11-28 Muxic on hold function control switching circuit of telephone

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KR890000592B1 (en) 1989-03-21

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