KR920018648A - Noise Canceling Electronics - Google Patents

Noise Canceling Electronics Download PDF

Info

Publication number
KR920018648A
KR920018648A KR1019910004151A KR910004151A KR920018648A KR 920018648 A KR920018648 A KR 920018648A KR 1019910004151 A KR1019910004151 A KR 1019910004151A KR 910004151 A KR910004151 A KR 910004151A KR 920018648 A KR920018648 A KR 920018648A
Authority
KR
South Korea
Prior art keywords
sensor
amplifier
monitor
sound
noise
Prior art date
Application number
KR1019910004151A
Other languages
Korean (ko)
Inventor
하재종
Original Assignee
하재종
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.)
Filing date
Publication date
Application filed by 하재종 filed Critical 하재종
Priority to KR1019910004151A priority Critical patent/KR920018648A/en
Publication of KR920018648A publication Critical patent/KR920018648A/en

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

내용 없음No content

Description

소음 소거 전자장치Noise Canceling Electronics

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

제 1 도의 본 원 발명에 따른 소음 소거 전자장치의 계통도,Schematic diagram of the noise canceling electronic device according to the present invention of FIG.

제 2 도는 본 원 발명에 따른 소음 소거 전자장치의 상세회로도,2 is a detailed circuit diagram of a noise canceling electronic device according to the present invention;

제 3 도는 이상적인 음의 간섭을 나타내는 파형도.3 is a waveform diagram showing ideal negative interference.

Claims (2)

소음소거 전자장치에 있어서, 1차 소음을 감지하는 1차음센서(M1)와 부가음을 모니터링(Monitoring)하는 모니터 센서(M2)와, 간섭음을 발생시키는 스피커(SP)와 상기 1차음센서(M1), 모니터센서(M2), 스피커(SP)와 연결되어 소음을 상세시키는 간섭음파를 만들기 위한 음파 조절장치(10)로 되는 것을 특징으로 하는 소음소거 전자장치.In the noise suppression electronic device, a primary sound sensor (M1) for detecting primary noise, a monitor sensor (M2) for monitoring the additional sound, a speaker (SP) for generating interference sound and the primary sound sensor ( M1), the noise sensor electronic device characterized in that it is connected to the monitor sensor (M2), the speaker (SP) to the sound wave control device (10) for producing an interference sound wave detailing the noise. 제 1항에 있어서, 음파조절장치(10)는 1차음센서(M1)에 연결되어 1차 증폭시키는 센서앰프(A1)와 모니터센서(M2)에 연결되어 1차 증폭시키는 모니터 앰프(A2)와 상기 센서앰프(A1)와 모니터 앰프(A2)의 출력에 연결되어 다시 증폭시키는 차동증폭기(OP1)와 이 차동증폭기(OP1)에 연결되어 아날로그 신호를 디지털 신호로 변환시키는 A/D변환기(C1)와 이 A/D변환기(C1)에 연결되어 디지털 신호를 필터링시키는 디지털 필터(D/F)와 이 디지털 필터(D/F)의 출력에 연결이 되어 디지털 신호를 아날로그 신호로 변환시키는 D/A변환기(C2)와 이 D/A변환(C2)에 연결되어 증폭시키는 파워앰프(OP2)로 되는 것을 특징으로 하는 소음소거 전자장치.The method of claim 1, wherein the sound wave control device 10 is connected to the primary sound sensor (M1) and the first amplifier amplification and the monitor amplifier (A2) connected to the first sensor and the monitor sensor (M2) and A differential amplifier OP1 connected to the outputs of the sensor amplifier A1 and the monitor amplifier A2 and amplified again, and an A / D converter C1 connected to the differential amplifier OP1 to convert analog signals into digital signals. And a digital filter (D / F) connected to the A / D converter (C1) to filter the digital signal and a D / A connected to the output of the digital filter (D / F) to convert the digital signal into an analog signal. And a power amplifier (OP2) connected to the converter (C2) and the D / A conversion (C2) to amplify. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910004151A 1991-03-15 1991-03-15 Noise Canceling Electronics KR920018648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910004151A KR920018648A (en) 1991-03-15 1991-03-15 Noise Canceling Electronics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910004151A KR920018648A (en) 1991-03-15 1991-03-15 Noise Canceling Electronics

Publications (1)

Publication Number Publication Date
KR920018648A true KR920018648A (en) 1992-10-22

Family

ID=67400698

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910004151A KR920018648A (en) 1991-03-15 1991-03-15 Noise Canceling Electronics

Country Status (1)

Country Link
KR (1) KR920018648A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010075841A (en) * 2000-01-20 2001-08-11 오길록 Apparatus for cancellation of noise in desktop environment using adaptive filtering

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010075841A (en) * 2000-01-20 2001-08-11 오길록 Apparatus for cancellation of noise in desktop environment using adaptive filtering

Similar Documents

Publication Publication Date Title
MY106871A (en) Noise reducing receiver device.
ES8202211A1 (en) MFB system with a by-pass network.
KR900015566A (en) Noise reduction device
JPH0232248U (en)
US6990207B2 (en) Active noise control system
KR920018648A (en) Noise Canceling Electronics
MY110231A (en) Apparatus for correcting a color tone of a video signal.
DE60045232D1 (en)
CN2098775U (en) Circuit for avoiding microphone from producing noise
KR960029793A (en) Speed detection signal processing circuit of the motor
JPS57170692A (en) Mortional feedback device
KR920010239A (en) Noise suppression device in the refrigerator
KR850002942A (en) Differential stethoscope
SU944073A1 (en) Device for amplifying electric voltages
KR940005332Y1 (en) Automatic mixing system for voice signal
KR940000507Y1 (en) Agc for special frequency signal
KR940003333A (en) Environmental Noise Reduction Device of Camcorder
KR970004362A (en) Analog / Digital Inverter
KR970050098A (en) Noise reduction device
KR970031250A (en) AUTOMATIC GAIN CONTROLLER OF RADIO FREQUENCY
KR940017799A (en) Audio Noise Canceling Circuit of Camcorder
KR970019003A (en) Circuit and method for automatically adjusting the volume level according to the ambient noise
KR970011314A (en) Active control device for turning noise of cooling fan of automobile
JPS59190679A (en) Voice processing circuit system
JPS5795796A (en) Speaker device

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application