KR960036841A - Signal Feedback Low Compensation Controller of Speaker System - Google Patents

Signal Feedback Low Compensation Controller of Speaker System Download PDF

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Publication number
KR960036841A
KR960036841A KR1019950007401A KR19950007401A KR960036841A KR 960036841 A KR960036841 A KR 960036841A KR 1019950007401 A KR1019950007401 A KR 1019950007401A KR 19950007401 A KR19950007401 A KR 19950007401A KR 960036841 A KR960036841 A KR 960036841A
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KR
South Korea
Prior art keywords
signal
current
voice coil
voice
detecting
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KR1019950007401A
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Korean (ko)
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KR970010256B1 (en
Inventor
김정태
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배순훈
대우전자 주식회사
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Priority to KR95007401A priority Critical patent/KR970010256B1/en
Publication of KR960036841A publication Critical patent/KR960036841A/en
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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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H04R3/08—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil

Abstract

본 발명은 스피커시스템의 신호귀환형 저음보상제어장치에 관한 것으로, 스피커시스템의 보이스코일보빈의 승강운동에 의한 재생음성전류를 검출하여 저음왜곡보상신호로 생성해서 보이스코일에 인가하여 저음특성이 개선되도록 하기 위한 것이다.The present invention relates to a signal feedback type low tone compensation control device of a speaker system, which detects a reproduced voice current caused by the lifting movement of a voice coil bobbin of a speaker system, generates a low sound distortion compensation signal, and applies it to a voice coil to improve low sound characteristics. It is to make it possible.

그에 따라 본 발명은 메인앰프(70)로부터의 음성전류를 리드와이어(36)를 통해 입력받아 회전자계를 발생하는 보이스코일(31)과 플레이트(14)를 매개로 상기 보이스코일(31)에 직류자속을 인가하는 마그네트(12), 상기 보이스코일(31)이 부착되어 그 회전자계에 의한 진동력에 의해 승강운동을 수행하는 보이스코일보빈(32)이 갖추어진 재생음성발생수단(40)을 구비한 동전형 스피커시스템에 있어서; 상기 보이스코일보빈(32)의 승강운동에 의한 재생음성에 따른 신호전류를 검출하는 신호검출수단(50)과 그 신호검출수단(50)에서 검출된 재생음성에 따른 신호전류를 신호증폭하는 신호증폭수단(60), 그 신호증폭수단(60)에서 신호증폭된 재생음성에 따른 신호전류와 상기 메인앰프(70)에 인가되는 음성전류를 가산하는 가산수단(64), 상기 메인앰프(70)로 인가되는 음성전류에서 상기 가산수단(64)을 통해 가산되어 산출된 가산신호전류를 감산하는 감산수단(66)을 더 구비하여 구성되고; 상기 메인앰프(70)는 상기 감산수단(66)에 의해 감산되어 산출된 결과로 고조파왜곡에 대한 보상치를 갖는 음성전류를 인가받아 전력증폭하여 상기 재생음성발생수단(40)에 출력하도록 된 것을 특징으로 한다.Accordingly, in the present invention, the voice current from the main amplifier 70 is input through the lead wire 36 to direct the voice coil 31 and the plate 14 to generate a rotating magnetic field. Magnet 12 for applying magnetic flux, and the voice coil 31 is provided with a reproducing sound generating means 40 equipped with a voice coil bobbin 32 for lifting up and down by vibrating force by the rotating magnetic field. In one coin speaker system; Signal amplification means for detecting the signal current according to the reproduction sound by the lifting motion of the voice coil bobbin 32 and the signal amplification signal amplifying the signal current according to the reproduction sound detected by the signal detection means 50 Means 60, adding means 64 for adding the signal current according to the reproduced voice signal amplified by the signal amplification means 60 and the voice current applied to the main amplifier 70, to the main amplifier 70. And subtracting means (66) for subtracting the added signal current calculated by adding through said adding means (64) from the applied negative current; The main amplifier 70 receives a voice current having a compensation value for harmonic distortion as a result of being subtracted by the subtraction means 66, and amplifies and outputs the power to the reproducing sound generation means 40. It is done.

Description

스피커시스템의 신호귀환형 저음보상제어장치Signal Feedback Low Compensation Controller of Speaker System

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

제3도는 본 발명에 따른 신호귀환형 저음보상제어장치가 스피커시스템에 적용된 상태를 나타낸 단면도, 제4도는 본 발명에 따른 스피커시스템의 신호귀환형 저음보상제어장치를 나타낸 블럭구성도이다.3 is a cross-sectional view showing a state in which the signal feedback bass compensation control apparatus according to the present invention is applied to a speaker system, and FIG. 4 is a block diagram showing the signal feedback bass compensation control apparatus of the speaker system according to the present invention.

Claims (5)

메인앰프(70)로부터의 음성전류를 리드와이어(36)를 통해 입력받아 회전자계를 발생하는 보이스코일(31)과 플레이트(14)를 매개로 상기 보이스코일(31)에 직류자속을 인가하는 마그네트(12), 상기 보이스코일(31)이 부착되어 그 회전자계에 의한 진동력에 의해 승강운동을 수행하는 보이스코일보빈(32)이 갖추어진 재생음성발생수단(40)을 구비한 동전형 스피커시스템에 있어서; 상기 보이스코일보빈(32)의 승강운동에 의한 재생음성에 따른 신호전류를 검출하는 신호검출수단(50)과 그 신호검출수단(50)에서 검출된 재생음성에 따른 신호전류를 신호증폭하는 신호증폭수단(60), 그 신호증폭수단(60)에서 신호증폭된 재생음성에 따른 신호전류와 상기 메인앰프(70)에 인가되는 음성전류를 가산하는 가산수단(64), 상기 메인앰프(70)로 인가되는 음성전류에서 상기 가산수단(64)을 통해 가산되어 산출된 가산신호전류를 감산하는 감산수단(66)을 더 구비하여 구성되고; 상기 메인앰프(70)는 상기 감산수단(66)에 의해 감산되어 산출된 결과로 고조파왜곡에 대한 보상치를 갖는 음성전류를 인가받아 전력증폭하여 상기 재생음성발생수단(40)에 출력하도록 된 것을 특징으로 하는 스피커시스템의 신호귀환형 저음보상제어장치.Magnet that applies DC current to the voice coil 31 via the voice coil 31 and the plate 14 which receives the voice current from the main amplifier 70 through the lead wire 36 and generates a rotating magnetic field. (12), a coin-type speaker system having a reproducing sound generating means (40) equipped with a voice coil bobbin (32) to which the voice coil (31) is attached to perform a lifting movement by vibrating force of the rotating magnetic field. To; Signal amplification means for detecting the signal current according to the reproduction sound by the lifting motion of the voice coil bobbin 32 and the signal amplification signal amplifying the signal current according to the reproduction sound detected by the signal detection means 50 Means 60, adding means 64 for adding the signal current according to the reproduced voice signal amplified by the signal amplification means 60 and the voice current applied to the main amplifier 70, to the main amplifier 70. And subtracting means (66) for subtracting the added signal current calculated by adding through said adding means (64) from the applied negative current; The main amplifier 70 receives a voice current having a compensation value for harmonic distortion as a result of being subtracted by the subtraction means 66, and amplifies and outputs the power to the reproducing sound generation means 40. Signal feedback type bass compensation controller of the speaker system. 제1항에 있어서, 상기 신호검출수단(50)은 상기 재생음성에 따른 신호전류를 180°위상반전하여 검출하는 것을 특징으로 하는 스피커시스템의 신호귀환형 저음보상제어장치.The apparatus of claim 1, wherein the signal detecting means (50) phase-inverts and detects a signal current corresponding to the reproducing sound by 180 degrees out of phase. 제2항에 있어서, 상기 신호검출수단(50)은 상기 보이스코일(31)의 권취방향에 대해 역방향으로 상기 보이스코일보빈(32)에 권취되어 회전자계를 발생하는 신호검출용 코일(52)과, 상기 마그네트(12)와 동일한 자극형태를 갖고서 상기 보이스코일(31)과 대향하여 설치되어 직류자속을 인가하는 신호검출용 마그네트(54) 및 상기 신호검출용 코일(52)에서 발생되는 회전자계에 의한 신호전류를 상기 신호증폭수단(60)으로 전달하는 신호검출용 리드와이어(56)를 포함하여 구성된 것을 특징으로 하는 스피커시스템이 신호귀환형 저음보상제어장치.The signal detecting coil (50) according to claim 2, wherein the signal detecting means (50) is wound around the voice coil bobbin (32) in a direction opposite to the winding direction of the voice coil (31) to generate a rotating magnetic field. , Having a magnetic pole shape identical to that of the magnet 12, installed opposite to the voice coil 31 to a rotor magnetic field generated by the signal detecting magnet 54 and the signal detecting coil 52 for applying a direct current magnetic flux. And a signal detection lead wire (56) for transmitting the signal current by the signal amplification means (60). 제3항에 있어서, 상기 신호검출수단(50)은 상기 보이스코일(31)의 권취방향과 동일방향으로 상기 보이스코일보빈(32)에 권취되어 회전자계를 발생하는 신호검출용 코일(52)과, 상기 마그네트(12)의 자극과 역방향의 자극형태를 갖고서 상기 보이스코일(31)과 대향하여 설치되어 직류자속을 인가하는 신호검출용 마그네트(54) 및, 상기 신호검출용 코일(52)에서 발생되는 회전자계에 의한 신호전류를 상기 신호증폭수단(60)으로 전달하는 신호검출용 리드와이어(56)를 포함하여 구성된 것을 특징으로 하는 스피커시스템의 신호귀환형 저음보상제어장치.The signal detecting coil (50) according to claim 3, wherein the signal detecting means (50) is wound around the voice coil bobbin (32) in the same direction as the winding direction of the voice coil (31) to generate a rotating magnetic field. And a magnet 54 for detecting a signal having a magnetic pole in the opposite direction to that of the magnet 12 and installed in a direction opposite to the voice coil 31 to apply a DC magnetic flux, and the coil 52 for detecting the signal. And a signal detection lead wire (56) for transmitting a signal current by a rotating magnetic field to the signal amplifying means (60). 제3항 또는 제4항에 있어서, 상기 신호검출수단(50)의 신호검출용 마그네트(54)와 상기 마그네트(12)의 사이에 절연이 가능한 차폐판(58)을 더 포함하여 설치된 것을 특징으로하는 스피커시스템의 신호귀환형 저음보상제어장치.[5] The method of claim 3 or 4, further comprising a shielding plate (58) which is insulated between the signal detecting magnet (54) of the signal detecting means (50) and the magnet (12). Signal feedback type bass compensation controller of the speaker system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR95007401A 1995-03-31 1995-03-31 Signal feedback type bass-sound compensating control apparatus for speaker system KR970010256B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR95007401A KR970010256B1 (en) 1995-03-31 1995-03-31 Signal feedback type bass-sound compensating control apparatus for speaker system

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Application Number Priority Date Filing Date Title
KR95007401A KR970010256B1 (en) 1995-03-31 1995-03-31 Signal feedback type bass-sound compensating control apparatus for speaker system

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KR960036841A true KR960036841A (en) 1996-10-28
KR970010256B1 KR970010256B1 (en) 1997-06-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100506471B1 (en) * 2001-07-25 2005-08-03 미쓰비시덴키 가부시키가이샤 Sound control unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106285823A (en) * 2016-08-16 2017-01-04 上海交通大学 Engine with supercharger valve stroke continuous changeable device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100506471B1 (en) * 2001-07-25 2005-08-03 미쓰비시덴키 가부시키가이샤 Sound control unit

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