EP0405331A3 - Acoustic sensing device with noise cancellation - Google Patents
Acoustic sensing device with noise cancellation Download PDFInfo
- Publication number
- EP0405331A3 EP0405331A3 EP19900111750 EP90111750A EP0405331A3 EP 0405331 A3 EP0405331 A3 EP 0405331A3 EP 19900111750 EP19900111750 EP 19900111750 EP 90111750 A EP90111750 A EP 90111750A EP 0405331 A3 EP0405331 A3 EP 0405331A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensing device
- noise cancellation
- acoustic sensing
- acoustic
- cancellation
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1783—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
- G10K11/17837—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by retaining part of the ambient acoustic environment, e.g. speech or alarm signals that the user needs to hear
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3013—Analogue, i.e. using analogue computers or circuits
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3045—Multiple acoustic inputs, single acoustic output
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3921307 | 1989-06-29 | ||
DE3921307A DE3921307A1 (de) | 1989-06-29 | 1989-06-29 | Akustische sensoreinrichtung mit stoerschallunterdrueckung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0405331A2 EP0405331A2 (de) | 1991-01-02 |
EP0405331A3 true EP0405331A3 (en) | 1992-02-26 |
Family
ID=6383862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900111750 Withdrawn EP0405331A3 (en) | 1989-06-29 | 1990-06-21 | Acoustic sensing device with noise cancellation |
Country Status (4)
Country | Link |
---|---|
US (1) | US5040156A (enrdf_load_stackoverflow) |
EP (1) | EP0405331A3 (enrdf_load_stackoverflow) |
JP (1) | JPH0351782A (enrdf_load_stackoverflow) |
DE (1) | DE3921307A1 (enrdf_load_stackoverflow) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO175798C (no) * | 1992-07-22 | 1994-12-07 | Sinvent As | Fremgangsmåte og anordning til aktiv stöydemping i et lokalt område |
DE9409320U1 (de) * | 1994-06-08 | 1995-07-06 | Berlin, Florence, Genf | Atemschutzmaske und Mikrofonhalter zur Verwendung darin |
USRE39412E1 (en) * | 1995-02-15 | 2006-11-28 | Matsushita Electric Industrial Co., Ltd. | Optical information medium, and method and apparatus for fabricating the same |
US5681634A (en) | 1995-02-15 | 1997-10-28 | Matsushita Electric Industrial Co., Ltd. | Optical information medium, and method and apparatus for fabricating the same |
FR2741182B1 (fr) * | 1995-11-13 | 1998-01-02 | Technofirst | Procede et dispositif d'extraction d'un signal acoustique utile a partir d'un signal acoustique composite comprenant des composantes parasites |
US6978159B2 (en) * | 1996-06-19 | 2005-12-20 | Board Of Trustees Of The University Of Illinois | Binaural signal processing using multiple acoustic sensors and digital filtering |
US6987856B1 (en) | 1996-06-19 | 2006-01-17 | Board Of Trustees Of The University Of Illinois | Binaural signal processing techniques |
WO2001087011A2 (en) | 2000-05-10 | 2001-11-15 | The Board Of Trustees Of The University Of Illinois | Interference suppression techniques |
US6492937B1 (en) | 2001-11-02 | 2002-12-10 | Itt Manufacturing Enterprises, Inc. | High precision range measurement technique |
US7512448B2 (en) | 2003-01-10 | 2009-03-31 | Phonak Ag | Electrode placement for wireless intrabody communication between components of a hearing system |
US7076072B2 (en) * | 2003-04-09 | 2006-07-11 | Board Of Trustees For The University Of Illinois | Systems and methods for interference-suppression with directional sensing patterns |
US7945064B2 (en) * | 2003-04-09 | 2011-05-17 | Board Of Trustees Of The University Of Illinois | Intrabody communication with ultrasound |
DE102006023735A1 (de) | 2006-05-19 | 2007-12-06 | Siemens Audiologische Technik Gmbh | Messbox für eine Hörvorrichtung und entsprechendes Messverfahren |
DE202011052130U1 (de) * | 2011-11-28 | 2012-12-05 | Sato Schneidsysteme Anton Hubert E.K. | Plasmabrenner |
DE202014008783U1 (de) | 2014-11-05 | 2014-12-12 | Gunter Henkel | Schlafhaube - Vorrichtung zur Reduzierung bzw. Eliminierung von Schnarch- und Schlafgeräuschen |
DE102014016397A1 (de) | 2014-11-05 | 2016-05-12 | Gunter Henkel | Schlafhaube : Vorrichtung zur Reduzierung bzw. Eliminierung von Schnarch- und Schlafgeräuschen |
JP6811954B2 (ja) * | 2016-07-20 | 2021-01-13 | 株式会社オーディオテクニカ | マイクロホン |
JP7467317B2 (ja) | 2020-11-12 | 2024-04-15 | 株式会社東芝 | 音響検査装置及び音響検査方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3133107A1 (de) * | 1981-08-21 | 1983-03-10 | Michael 5440 Mayen Hofmann | Persoenlicher schallschutz |
DE3821939A1 (de) * | 1987-06-30 | 1989-01-12 | Bridgestone Corp | Schalldaemmende vorrichtung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT17896B (enrdf_load_stackoverflow) | 1903-12-30 | 1904-10-10 | Othmar Lorenz | |
US2043416A (en) * | 1933-01-27 | 1936-06-09 | Lueg Paul | Process of silencing sound oscillations |
ATE17896T1 (de) * | 1979-11-21 | 1986-02-15 | Sound Attenuators Ltd | Verbessertes verfahren und apparat zum daempfen der vibration. |
DE3025391A1 (de) * | 1980-07-04 | 1982-01-28 | Battelle-Institut E.V., 6000 Frankfurt | Verfahren und vorrichtung zur unterdrueckung von akustischen schwingungen |
US4473906A (en) * | 1980-12-05 | 1984-09-25 | Lord Corporation | Active acoustic attenuator |
US4805733A (en) * | 1987-07-07 | 1989-02-21 | Nippondenso Co., Ltd. | Active silencer |
-
1989
- 1989-06-29 DE DE3921307A patent/DE3921307A1/de active Granted
-
1990
- 1990-06-21 EP EP19900111750 patent/EP0405331A3/de not_active Withdrawn
- 1990-06-29 US US07/545,531 patent/US5040156A/en not_active Expired - Fee Related
- 1990-06-29 JP JP2172553A patent/JPH0351782A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3133107A1 (de) * | 1981-08-21 | 1983-03-10 | Michael 5440 Mayen Hofmann | Persoenlicher schallschutz |
DE3821939A1 (de) * | 1987-06-30 | 1989-01-12 | Bridgestone Corp | Schalldaemmende vorrichtung |
Non-Patent Citations (1)
Title |
---|
IBM TECH. DISCL. BULL. Bd. 31, Nr. 8, Januar 1989, ARMONK, NY, US Seiten 256 - 258; 'Audible Noise Suppression' * |
Also Published As
Publication number | Publication date |
---|---|
JPH0351782A (ja) | 1991-03-06 |
DE3921307A1 (de) | 1991-01-10 |
DE3921307C2 (enrdf_load_stackoverflow) | 1992-02-13 |
EP0405331A2 (de) | 1991-01-02 |
US5040156A (en) | 1991-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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Effective date: 19910408 |
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AK | Designated contracting states |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 19940104 |