RU2013128621A - ACTIVE NOISE REDUCTION SYSTEM WITH ULTRASONIC RADIATOR - Google Patents
ACTIVE NOISE REDUCTION SYSTEM WITH ULTRASONIC RADIATOR Download PDFInfo
- Publication number
- RU2013128621A RU2013128621A RU2013128621/28A RU2013128621A RU2013128621A RU 2013128621 A RU2013128621 A RU 2013128621A RU 2013128621/28 A RU2013128621/28 A RU 2013128621/28A RU 2013128621 A RU2013128621 A RU 2013128621A RU 2013128621 A RU2013128621 A RU 2013128621A
- Authority
- RU
- Russia
- Prior art keywords
- digital
- radiator
- ultrasonic
- noise reduction
- active noise
- Prior art date
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
1. Система активного шумоподавления с ультразвуковым излучателем, состоящая из расположенного на пути распространения шумовой волны микрофона, аналого-цифрового преобразователя, устройства обработки полученного сигнала, цифроаналогового преобразователя и излучателя, отличающаяся тем, что дополнительно содержит генератор высокочастотного излучения и смеситель, расположенные в системе между устройством обработки сигнала и цифроаналоговым преобразователем, широкополосный усилитель мощности, расположенный последовательно за цифро-аналоговым преобразователем и акустический фильтр ультразвуковых частот, расположенный после излучателя, а излучатель в системе является ультразвуковым.2. Система активного шумоподавления с ультразвуковым излучателем по п. 1, отличающаяся тем, что в качестве ультразвукового излучателя использован пьезоизлучатель.1. The active noise reduction system with an ultrasonic emitter, consisting of a microphone located on the propagation path of the noise wave, an analog-to-digital converter, a device for processing the received signal, a digital-to-analog converter and a radiator, characterized in that it further comprises a high-frequency radiation generator and a mixer located in the system between a signal processing device and a digital-to-analog converter, a broadband power amplifier located in series behind the digital tax acoustic transducer and ultrasonic frequency filter disposed downstream of the radiator, and the radiator in the system is ultrazvukovym.2. An active noise reduction system with an ultrasonic emitter according to claim 1, characterized in that a piezo emitter is used as an ultrasonic emitter.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013128621/28A RU2545462C2 (en) | 2013-06-24 | 2013-06-24 | System for active noise reduction with ultrasonic radiator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013128621/28A RU2545462C2 (en) | 2013-06-24 | 2013-06-24 | System for active noise reduction with ultrasonic radiator |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2013128621A true RU2013128621A (en) | 2014-12-27 |
RU2545462C2 RU2545462C2 (en) | 2015-03-27 |
Family
ID=53278570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2013128621/28A RU2545462C2 (en) | 2013-06-24 | 2013-06-24 | System for active noise reduction with ultrasonic radiator |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2545462C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU179556U1 (en) * | 2017-05-11 | 2018-05-17 | Андрей Александрович Травков | Active noise reduction system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06202669A (en) * | 1992-12-28 | 1994-07-22 | Toshiba Corp | Active sound eliminating device |
JPH1020873A (en) * | 1996-07-08 | 1998-01-23 | Sony Corp | Sound signal processor |
RU2363992C1 (en) * | 2008-08-22 | 2009-08-10 | Алексей Викторович Гладилин | Device to attenuate vent system noise |
US20100260360A1 (en) * | 2009-04-14 | 2010-10-14 | Strubwerks Llc | Systems, methods, and apparatus for calibrating speakers for three-dimensional acoustical reproduction |
-
2013
- 2013-06-24 RU RU2013128621/28A patent/RU2545462C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2545462C2 (en) | 2015-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX2022006542A (en) | Sound-output device. | |
WO2014163894A3 (en) | Substantially planate parametric emitter and associated methods | |
CN101790118A (en) | Audio-frequency directional loudspeaker system and signal processing method thereof | |
EP2600342A3 (en) | Active design of exhaust sounds | |
FR3020231B1 (en) | UNIDIRECTIONAL SOUND SPEAKER | |
RU2013128621A (en) | ACTIVE NOISE REDUCTION SYSTEM WITH ULTRASONIC RADIATOR | |
Lam et al. | Feasibility of a length-limited parametric source for active noise control applications | |
WO2015112608A3 (en) | Tone generation | |
RU2009101558A (en) | ADAPTIVE RADAR | |
RU2009125093A (en) | VIBROACOUSTIC MASSAGE DEVICE | |
RU2013103759A (en) | RANGE ACOUSTIC DEVICE | |
RU153383U1 (en) | ULTRASONIC DEVICE FOR RODENTS | |
TW201528250A (en) | Fan | |
RU2012133937A (en) | ULTRASONIC TOMOGRAPH | |
EP2523345A3 (en) | Apparatus and methods for high voltage amplification with low noise | |
RU2011103647A (en) | FISH MOVEMENT MANAGEMENT METHOD | |
RU135176U1 (en) | ACTIVE NOISE REDUCTION SYSTEM WITH ULTRASONIC RADIATOR | |
WO2022098330A3 (en) | A device for cleaning tartar by means of sound wave | |
RU2015141743A (en) | VIRTUAL AND REAL RADIO NETWORK CONNECTION COMPLEX | |
RU2013155064A (en) | METHOD FOR DETERMINING CONCENTRATION AND PARTICLE SIZES IN LIQUID | |
AU201811286S (en) | Corner Bass Trap - design to absorb low frequency sound waves. | |
JP3191253U7 (en) | ||
CA3156121A1 (en) | Audio device | |
RU2016117783A (en) | RING SINGLE-WAVE VIBRATOR | |
RU2013148304A (en) | MULTIFUNCTIONAL SUBSCRIBER TERMINAL |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20170625 |