GB201319392D0 - Improvements in and relating to noise cancellation devices - Google Patents
Improvements in and relating to noise cancellation devicesInfo
- Publication number
- GB201319392D0 GB201319392D0 GB201319392A GB201319392A GB201319392D0 GB 201319392 D0 GB201319392 D0 GB 201319392D0 GB 201319392 A GB201319392 A GB 201319392A GB 201319392 A GB201319392 A GB 201319392A GB 201319392 D0 GB201319392 D0 GB 201319392D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- noise cancellation
- cancellation devices
- devices
- noise
- 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- Withdrawn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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
- A61F11/145—Protective devices for the ears external, e.g. earcaps or earmuffs electric, e.g. for active noise reduction
-
- 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
- G10K11/17879—General system configurations using both a reference signal and an error signal
- G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
-
- 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
- G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
-
- 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
- G10K2210/116—Medical; Dental
- G10K2210/1161—NMR or MRI
-
- 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
- G10K2210/321—Physical
-
- 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
- G10K2210/321—Physical
- G10K2210/3223—Materials, e.g. special compositions or gases
-
- 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
- G10K2210/321—Physical
- G10K2210/3226—Sensor details, e.g. for producing a reference or error signal
Landscapes
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Psychology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1319392.5A GB2519976A (en) | 2013-11-03 | 2013-11-03 | Improvements in and relating to noise cancelling devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1319392.5A GB2519976A (en) | 2013-11-03 | 2013-11-03 | Improvements in and relating to noise cancelling devices |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201319392D0 true GB201319392D0 (en) | 2013-12-18 |
GB2519976A GB2519976A (en) | 2015-05-13 |
Family
ID=49767580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1319392.5A Withdrawn GB2519976A (en) | 2013-11-03 | 2013-11-03 | Improvements in and relating to noise cancelling devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2519976A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107945784A (en) * | 2017-12-14 | 2018-04-20 | 成都必盛科技有限公司 | A kind of automatic calibrating method and device of active noise reduction audio frequency apparatus |
EP3912608A1 (en) * | 2020-05-18 | 2021-11-24 | Koninklijke Philips N.V. | Ear protection for medical imaging |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5133017A (en) * | 1990-04-09 | 1992-07-21 | Active Noise And Vibration Technologies, Inc. | Noise suppression system |
GB9319498D0 (en) * | 1993-09-21 | 1993-11-03 | Marconi Gec Ltd | Magentic resonance apparatus |
US6466673B1 (en) * | 1998-05-11 | 2002-10-15 | Mci Communications Corporation | Intracranial noise suppression apparatus |
US6463316B1 (en) * | 2000-04-07 | 2002-10-08 | The United States Of America As Represented By The Secretary Of The Air Force | Delay based active noise cancellation for magnetic resonance imaging |
US8085942B2 (en) * | 2006-11-22 | 2011-12-27 | Nordicneurolab As | Audio apparatus and method for use in proximity to a magnetic resonance imaging system |
-
2013
- 2013-11-03 GB GB1319392.5A patent/GB2519976A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2519976A (en) | 2015-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2981623A4 (en) | Systems and methods to assess microbiomes and treatments thereof | |
PL2968100T3 (en) | Combination of alkylamidothiazoles and preservatives | |
EP2987338A4 (en) | Headset to provide noise reduction | |
EP2968474A4 (en) | Skin compositions and uses | |
GB201305277D0 (en) | Novel combination and use | |
GB201407698D0 (en) | Improvements in and relating to ophthalmo-scopes | |
IL240248A0 (en) | Met-binding agents and uses thereof | |
GB201308247D0 (en) | Noise reduction | |
GB201318890D0 (en) | Improvements in and relating to loudspeakers | |
EP3041028A4 (en) | Laminate and application thereof | |
EP2984646A4 (en) | Noise reduction device | |
GB201320992D0 (en) | Complex and uses thereof | |
GB201409388D0 (en) | Improvements in and relating to boxes | |
GB201321337D0 (en) | Improvements in or relating to stairlifts | |
GB2516064B (en) | Improvements in and relating to radar | |
GB201319392D0 (en) | Improvements in and relating to noise cancellation devices | |
GB2522177B (en) | Improvements in and relating to sampling | |
GB201309050D0 (en) | Improvements in and relating to cutlery | |
ZA201601880B (en) | Hetero-transglycosylase and uses thereof | |
GB201310608D0 (en) | Improvements in or relating to furniture | |
GB2535948B (en) | Improvements in or relating to liquid-based cooking apparatuses | |
GB2513008B (en) | Breathing and draining device | |
GB2512091B (en) | Improvements in and relating to filters | |
GB2518834B (en) | Improvements in or relating to stairlifts | |
GB201320958D0 (en) | Improvements in and relating to medical devices |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |