KR890007604A - Single speaker circuit using multi output circuit - Google Patents

Single speaker circuit using multi output circuit Download PDF

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Publication number
KR890007604A
KR890007604A KR870012033A KR870012033A KR890007604A KR 890007604 A KR890007604 A KR 890007604A KR 870012033 A KR870012033 A KR 870012033A KR 870012033 A KR870012033 A KR 870012033A KR 890007604 A KR890007604 A KR 890007604A
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KR
South Korea
Prior art keywords
circuit
output
ringer
diode
transistor
Prior art date
Application number
KR870012033A
Other languages
Korean (ko)
Other versions
KR900004467B1 (en
Inventor
허주원
Original Assignee
강진구
삼성반도체통신 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 강진구, 삼성반도체통신 주식회사 filed Critical 강진구
Priority to KR1019870012033A priority Critical patent/KR900004467B1/en
Publication of KR890007604A publication Critical patent/KR890007604A/en
Application granted granted Critical
Publication of KR900004467B1 publication Critical patent/KR900004467B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Amplifiers (AREA)
  • Telephone Function (AREA)

Abstract

내용 없음No content

Description

다출력 회로의 단일 스피커 사용회로Single speaker circuit using multi output circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제3도는 본 발명에 따른 제2도의 구체회로도.3 is a detailed circuit diagram of FIG. 2 in accordance with the present invention.

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

1 : 링거회로 2 : 출력증폭회로1: Ringer circuit 2: Output amplifier circuit

3 : 감쇄 보상회로 21 : 오디오회로3: attenuation compensation circuit 21: audio circuit

Spk : 스피커 BD : 브리지 다이오드Spk: Speaker BD: Bridge Diode

11 : 트랜스포머 D : 다이오드11 transformer D: diode

R : 저항 TR : 트랜지스터R: Resistor TR: Transistor

Claims (1)

전화기의 다출력 회로에 있어서, 톤 신호와 통화의 음성신호를 출력하는 오디오회로(21)와, 상기 오디오회로(21)의 출력을 증폭하는 출력증폭회로(2)와, 링 전원을 정류하는 브리지 다이오드(BD)와, 링신호를 발생하는 링거회로(1)와, 상기 브리지 다이오드(BD)의 출력단에 다이오드(D)의 에노드측을 연결하고 상기 다이오드(D)의 케소드를 상기 링거회로(1)의 전원공급단(Vcc)에 연결하며 상기 다이오드(D)의 에노드측으로 부터 저항(R)을 연결하여 트랜지스터(TR)을 연결하여 트랜지스터(TR)의 베이스에 연결하며 상기 트랜지스터(TR)의 콜렉터에 상기 링거회로(1)의 접지단(GND)을 연결하고 상기 트랜지스터(TR)의 에미터는 상기 브리지 다이오드(BD)의 타출력단에 연결하여 링신호 인가시에만 상기 링거회로(1)의 루우프를 형성하여 링거회로(1)를 동작시키고 그 외의 경우에는 링거회로(1)를 차단하여 타신호의 감쇄를 방지하는 감쇄보상회로(3)와, 상기 링거회로(1)의 출력단 상기 감쇄보상회로(3)와, 상기 링거회로(1)의 출력단 상기 감쇄보상회로(3)의 트랜지스터(TR)의 에미터간에 매칭 트랜스포머(11)의 2차측을 연결하고 상기 트랜스포머(11)의 1차측단(12)에 상기 출력증폭회로(2)의 출력단을 연결하며 1차측의 타측단은 접지되며 상기 트랜스포머(11)의 1차측단(12)에 스피커(Spk)를 연결하여 단일 스피커(SPk)는 다출력신호를 겸용으로 모니터링할 수 있는 수단으로 구성됨을 특징으로 하는 다출력 회로의 단일 스피커 사용회로.In the multi-output circuit of a telephone, an audio circuit 21 for outputting a tone signal and a voice signal of a call, an output amplifier circuit 2 for amplifying the output of the audio circuit 21, and a bridge for rectifying ring power supply A diode BD, a ringer circuit 1 for generating a ring signal, and an anode side of the diode D are connected to an output terminal of the bridge diode BD, and the cathode of the diode D is connected to the ringer circuit. (1) is connected to the power supply terminal (Vcc) and the resistor (R) from the anode side of the diode (D) is connected to the transistor (TR) to connect to the base of the transistor (TR) and the transistor (TR) Is connected to the ground terminal (GND) of the ringer circuit (1) and the emitter of the transistor (TR) is connected to the other output terminal of the bridge diode (BD) so that the ringer circuit (1) To form a loop of to operate the ringer circuit (1) In this case, an attenuation compensation circuit 3 which blocks the ringer circuit 1 to prevent attenuation of other signals, an output terminal of the ringer circuit 1, an attenuation compensation circuit 3, and an output terminal of the ringer circuit 1 The secondary side of the matching transformer 11 is connected between the emitters of the transistor TR of the attenuation compensation circuit 3 and the output end of the output amplifier circuit 2 is connected to the primary end 12 of the transformer 11. The other end of the primary side is grounded, and the speaker Spk is connected to the primary end 12 of the transformer 11 so that the single speaker SPk is configured as a means for monitoring the multi-output signal. A single speaker circuit using multiple output circuits. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870012033A 1987-10-29 1987-10-29 Ring speaker circuit KR900004467B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870012033A KR900004467B1 (en) 1987-10-29 1987-10-29 Ring speaker circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870012033A KR900004467B1 (en) 1987-10-29 1987-10-29 Ring speaker circuit

Publications (2)

Publication Number Publication Date
KR890007604A true KR890007604A (en) 1989-06-20
KR900004467B1 KR900004467B1 (en) 1990-06-28

Family

ID=19265562

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870012033A KR900004467B1 (en) 1987-10-29 1987-10-29 Ring speaker circuit

Country Status (1)

Country Link
KR (1) KR900004467B1 (en)

Also Published As

Publication number Publication date
KR900004467B1 (en) 1990-06-28

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