[go: up one dir, main page]

KR920010239A - Noise suppression device in the refrigerator - Google Patents

Noise suppression device in the refrigerator Download PDF

Info

Publication number
KR920010239A
KR920010239A KR1019900018636A KR900018636A KR920010239A KR 920010239 A KR920010239 A KR 920010239A KR 1019900018636 A KR1019900018636 A KR 1019900018636A KR 900018636 A KR900018636 A KR 900018636A KR 920010239 A KR920010239 A KR 920010239A
Authority
KR
South Korea
Prior art keywords
noise
refrigerator
phase
noise suppression
suppression device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
KR1019900018636A
Other languages
Korean (ko)
Inventor
황근배
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019900018636A priority Critical patent/KR920010239A/en
Publication of KR920010239A publication Critical patent/KR920010239A/en
Ceased legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

내용 없음No content

Description

냉장고에서의 소음 억제 장치Noise suppression device in the refrigerator

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

제1도는 본 발명 장치를 설명하기 위한 냉장고의 구조도.1 is a structural diagram of a refrigerator for explaining the apparatus of the present invention.

제2도는 본 발명 장치에 적용되는 회로 블록 구성도.2 is a circuit block diagram applied to the apparatus of the present invention.

제3도는 제1도의 위상 반전기의 입출력 파형도.3 is an input / output waveform diagram of the phase inverter of FIG.

Claims (1)

인위적으로 발생되는 소음을 검출하여 전기 신호로 변환시키는 소음 검출 수단의 마이크로 폰(1)과, 상기 마이크로 폰(1)에 의해 검출된 소음 성분의 주파수를 필터링시켜 특정 주파수 성분만 통과시키는 대역통과필터(2)와, 상기 대역통과필터(2)를 통과한 특정주파수의 위상을 반전시키는 위상 반전기(3)와, 상기 위상 반전기(3)를 출력되는 반전된 위상을 원래의 소음 성분과 같은 크기의 음원으로 증폭시키는 증폭기(4)와, 상기 증폭기(4)에서 출력되는 음원을 음으로 발생시키는 스피이커(5)를 구비하여서 됨을 특징으로 하는 냉장고에서의 소음 억제 장치.A microphone 1 of noise detection means for detecting artificially generated noise and converting it into an electrical signal, and a bandpass filter for filtering only frequencies of noise components detected by the microphone 1 and passing only specific frequency components. (2), a phase inverter (3) for inverting the phase of a specific frequency passing through the bandpass filter (2), and an inverted phase output from the phase inverter (3) equal to the original noise component. And an amplifier (4) for amplifying the sound source having a magnitude, and a speaker (5) for generating a sound source output from the amplifier (4) as sound. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900018636A 1990-11-16 1990-11-16 Noise suppression device in the refrigerator Ceased KR920010239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900018636A KR920010239A (en) 1990-11-16 1990-11-16 Noise suppression device in the refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900018636A KR920010239A (en) 1990-11-16 1990-11-16 Noise suppression device in the refrigerator

Publications (1)

Publication Number Publication Date
KR920010239A true KR920010239A (en) 1992-06-26

Family

ID=67538071

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900018636A Ceased KR920010239A (en) 1990-11-16 1990-11-16 Noise suppression device in the refrigerator

Country Status (1)

Country Link
KR (1) KR920010239A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010090093A (en) * 2001-09-17 2001-10-18 이영우 Noise protecting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010090093A (en) * 2001-09-17 2001-10-18 이영우 Noise protecting apparatus

Similar Documents

Publication Publication Date Title
US5103675A (en) Signal detector and method for detecting signals having selected frequency characteristics
KR930006626A (en) Active Noise Canceling Device
DE59102755D1 (en) TINNITUS MASKING DEVICE.
SE7901479L (en) SHOWER CIRCUIT CIRCUIT
KR840001034A (en) Noise reduction circuit
KR910019473A (en) Speaker Low Frequency Compensation Circuit and Method
KR870006800A (en) Sound field enlarger
KR910021177A (en) Acoustic additional circuit
KR870011751A (en) Noise Immune Circuit for Frequency Detectors
KR920010239A (en) Noise suppression device in the refrigerator
DE3865319D1 (en) CIRCUIT ARRANGEMENT FOR SUPPRESSING VIBRATIONS.
KR920005458A (en) Amplification circuit
KR830006995A (en) Third harmonic signal generation electron filter
KR100208507B1 (en) Noise elimination device
KR960008673A (en) Noise reduction device
KR970048618A (en) Underwater acoustic detector
KR950019712A (en) Infrared sensor driving circuit
KR900005776A (en) Circuit device for TV signal processing
KR970067321A (en) Device with vibrato added to voice
KR910010395A (en) Sound source generator by voice
KR870011575A (en) Voice signal accompaniment
KR960000101Y1 (en) The same band cancelling circuit of stereo audio signal
KR940001037A (en) Frequency variable reverberation sound adding device
KR900019347A (en) Bass, mid, and treble separation circuits for sound equipment using digital circuits
KR920003237A (en) Height and strength measuring device of piano string

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19901116

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19901116

Comment text: Request for Examination of Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19920813

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19921126

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19920813

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I