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KR880013113A - Toy melody control circuit - Google Patents

Toy melody control circuit Download PDF

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Publication number
KR880013113A
KR880013113A KR870003100A KR870003100A KR880013113A KR 880013113 A KR880013113 A KR 880013113A KR 870003100 A KR870003100 A KR 870003100A KR 870003100 A KR870003100 A KR 870003100A KR 880013113 A KR880013113 A KR 880013113A
Authority
KR
South Korea
Prior art keywords
control signal
melody
output terminal
switch
signal generator
Prior art date
Application number
KR870003100A
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Korean (ko)
Other versions
KR900002118B1 (en
Inventor
윤인택
Original Assignee
김우중
주식회사 대우
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 김우중, 주식회사 대우 filed Critical 김우중
Priority to KR1019870003100A priority Critical patent/KR900002118B1/en
Publication of KR880013113A publication Critical patent/KR880013113A/en
Application granted granted Critical
Publication of KR900002118B1 publication Critical patent/KR900002118B1/en

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K1/00Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Toys (AREA)

Abstract

내용 없음No content

Description

완구용 멜로디 제어회로Toy melody control circuit

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

제1도는 본 발명의 개략도, 제2도는 본 발명의 구성에 따른 한 바람직한 실시예의 회로도, 제4도는 본발명을 봉제 곰인형에 적응시킨 일실시예를 나타낸 도면.1 is a schematic diagram of the present invention, FIG. 2 is a circuit diagram of a preferred embodiment according to the configuration of the present invention, and FIG. 4 is a view showing an embodiment in which the present invention is adapted to a stuffed bear doll.

Claims (4)

전원부(1), 제1스위치부(2), 멜로디 I.C(3), 제1증폭기(4) 및 스피커(SP)를 구비하는 완구용 멜로디회로에 있어서, 상기 제1스위치부(2)가 음성신호에 감응하여 스위칭되도록 콘덴서마이크(5), 음성신호차단부(6), 제2증폭기(7) 및 제1스위치구동부(8)를 상기 제1스위치부(2)의 제어신호 입력단에 차례로 접속하되 상기 음성신호 차단부(6)의 제어신호 입력단을 제1스위치부(2)의 출력단(b)에 접속하며, 또한 상기 제1스위치부(2)의 출력단(b)에는 음량 제어신호 발생부(9)를 접속하고 상기 음량제어신호 발생부(9)의 출력단인접속점(d)은 전류증폭기(10)에 접속하되 이 전류증폭기(10)는 상기 전원부(1)와 스피커(SP)사이에 개재시켜 접속하며, 제1스위치구동부(8)와 음량제어신호 발생부(9)의 리세트 입력단에 그 출력단이 접속된 리세트신호발생부(11)의 각 입력단에는 상기 전원부(1)와 음량제어 신호발생부(9)의 출력단에 각각 대응시켜 접속한 것을 특징으로 하는 완구용 멜로디 제어회로.In a toy melody circuit comprising a power supply unit 1, a first switch unit 2, a melody IC 3, a first amplifier 4, and a speaker SP, the first switch unit 2 is a voice. The condenser microphone 5, the audio signal cut-off part 6, the second amplifier 7 and the first switch driver 8 are sequentially connected to the control signal input terminal of the first switch part 2 so as to be switched in response to a signal. However, the control signal input terminal of the voice signal blocking unit 6 is connected to the output terminal b of the first switch unit 2, and the volume control signal generator is connected to the output terminal b of the first switch unit 2. (9) is connected, and the connection point (d), which is the output terminal of the volume control signal generator (9), is connected to the current amplifier (10), and the current amplifier (10) is connected between the power supply unit (1) and the speaker (SP). The input terminal of the reset signal generator 11 connected to the reset input terminal of the first switch driver 8 and the volume control signal generator 9 is connected to each other. Moped 1 and the gain control signal generating unit 9 melody control circuit for a toy, characterized in that in association with each connected to an output terminal of the. 제1항에 있어서, 음성신호 차단부(6)는 최초의 음성신호를 감응하여 동작중인 멜로디 제어회로가 차음성신호에 재차 감응되는 것을 방지하기 위하여 콘덴서마이크(5)와 제2증폭기(7)사이에 제2스위치부(12)를 개재시켜 접속하되 상기 제2스위치부(12)의 제어신호 입력단에는 제2스위치 구동부(13)를 통하여 제1스위치부(2)의 출력단(b)를 접속하여서 된 것을 특징으로 하는 완구용 멜로디 제어회로.2. The condenser microphone (5) and the second amplifier (7) according to claim 1, wherein the voice signal blocking unit (6) is adapted to respond to the first voice signal so as to prevent the melody control circuit which is operating from being resensitive to the sound insulating signal again. The second switch unit 12 is interposed therebetween, and the output terminal b of the first switch unit 2 is connected to the control signal input terminal of the second switch unit 12 through the second switch driver 13. Toy melody control circuit, characterized in that the 제1항에 있어서, 음량제어신호 발생부(9)는 하강 계단파형을 발생시켜 전원부(1)로부터 전류증폭기(10)를 통하여 스피커(SP)에 공급되는 전류가 세트된 시간동안 점차적으로 감소되어 공급되도록 상기 전류증폭기(10)를 제어하기 위하여 제1스위치부(2)의 출력단(d)에 순차적으로 클럭발생기(14), 제2플리플롭(15) 및 제3플리플롭(16)을 접속하고 상기 전류증폭기(10)의 제어신호 입력단의 접속점(d)에는 다이오드(D2) 및 저항(R12)를 통하여 상기 제1스위치부(2)의 출력단(b)을, 저항(R15)을 통하여 상기 클럭발생기(14)의 출력단을, 저항(R14)을 통하여 상기 제2플리플롭(15)의 정출력단을, 저항(R15)을 통하여 상기 제3플리플롭(16)의 정출력단을 공통 접속하되, 상기 제2, 제3플리플롭(15)(16)의 리세트단은 리세트신호 발생부(11)의 출력단에 접속하여서 된 것을 특징으로 하는 완구용 멜로디 제어회로.The volume control signal generator 9 generates a falling staircase waveform so that the current supplied from the power supply unit 1 to the speaker SP through the current amplifier 10 is gradually decreased during the set time. In order to control the current amplifier 10 to be supplied, the clock generator 14, the second flip-flop 15, and the third flip-flop 16 are sequentially connected to the output terminal d of the first switch unit 2. and said first output stage (b) of the switch (2), a resistor (R 15) connection point (d) of the control signal input terminal of the current amplifier (10) via a diode (D 2) and a resistor (R 12) The output terminal of the clock generator 14 through the, the positive output terminal of the second flip-flop 15 through the resistor (R 14 ), the constant output terminal of the third flip-flop 16 through the resistor (R 15 ) Are connected in common, and the reset end of the second and third flip-flops 15 and 16 is connected to the output end of the reset signal generator 11. Melody control circuit for a toy to. 제1항에 있어서, 리세트 신호발생부(11)는 초기 전원인가시 제1스위치 구동부(8) 및 음량제어신호 발생부(9)를 리세트시키는 원샷(ONE SHOT)회로(17)와, 또한 세트된 시간 동안 멜로디연주를 마침과 동시에 차후의 음성신호에 감응될수 있도록 하기 위하여 제1스위치 구동부(8) 및 음량제어신호 발생부(9)를 리세트시키는 제4플리플롭(18)으로 구성한 것을 특징으로 하는 완구용 멜로디 제어회로.The reset signal generator (11) according to claim 1, wherein the reset signal generator (11) includes a one shot circuit (17) for resetting the first switch driver (8) and the volume control signal generator (9) when the initial power is applied; In addition, a fourth flip-flop 18 which resets the first switch driver 8 and the volume control signal generator 9 so as to be able to respond to a subsequent voice signal at the same time that the melody is played for a set time. Toy melody control circuit, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870003100A 1987-04-01 1987-04-01 Melody control circuit for the doll KR900002118B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870003100A KR900002118B1 (en) 1987-04-01 1987-04-01 Melody control circuit for the doll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870003100A KR900002118B1 (en) 1987-04-01 1987-04-01 Melody control circuit for the doll

Publications (2)

Publication Number Publication Date
KR880013113A true KR880013113A (en) 1988-11-30
KR900002118B1 KR900002118B1 (en) 1990-04-02

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ID=19260477

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870003100A KR900002118B1 (en) 1987-04-01 1987-04-01 Melody control circuit for the doll

Country Status (1)

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KR (1) KR900002118B1 (en)

Also Published As

Publication number Publication date
KR900002118B1 (en) 1990-04-02

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