FR762121A - Procédé et dispositif de protection contre les bruits - Google Patents

Procédé et dispositif de protection contre les bruits

Info

Publication number: FR762121A
Authority: FR; France
Prior art keywords: protection against; against noise; noise; protection
Prior art date: 1932-12-31
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.): Expired

Application number

Other languages

Inventor

Henri Coanda

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.)

1932-12-31

Filing date

1932-12-31

Publication date

1934-04-04

1932-12-31 Application filed filed Critical

1934-04-04 Application granted granted Critical

1934-04-04 Publication of FR762121A publication Critical patent/FR762121A/fr

Status Expired legal-status Critical Current

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
- 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
- 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
- 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
- G10K2210/3011—Single acoustic input
- 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
- G10K2210/3217—Collocated sensor and cancelling actuator, e.g. "virtual earth" designs
- 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
- G10K2210/50—Miscellaneous
- G10K2210/508—Reviews on ANC in general, e.g. literature

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)

FR762121D 1932-12-31 1932-12-31 Procédé et dispositif de protection contre les bruits Expired FR762121A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR762121T		1932-12-31

Publications (1)

Publication Number	Publication Date
FR762121A true FR762121A (fr)	1934-04-04

Family

ID=9175565

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR762121D Expired FR762121A (fr)	1932-12-31	1932-12-31	Procédé et dispositif de protection contre les bruits

Country Status (1)

Country	Link
FR (1)	FR762121A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2694868A (en) *	1943-08-03	1954-11-23	Edwin M Mcmillan	Echo repeater
US2839150A (en) *	1954-02-02	1958-06-17	Perlman Robert Ruben	Loud speaker having means for utilizing the back wave
US2972018A (en) *	1953-11-30	1961-02-14	Rca Corp	Noise reduction system
US2983790A (en) *	1953-04-30	1961-05-09	Rca Corp	Electronic sound absorber
EP0412902A2 (fr) *	1989-08-10	1991-02-13	Mnc, Inc.	Dispositif électro-acoustique pour des moyens auditifs avec suppression du bruit

1932
- 1932-12-31 FR FR762121D patent/FR762121A/fr not_active Expired

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2694868A (en) *	1943-08-03	1954-11-23	Edwin M Mcmillan	Echo repeater
US2983790A (en) *	1953-04-30	1961-05-09	Rca Corp	Electronic sound absorber
US2972018A (en) *	1953-11-30	1961-02-14	Rca Corp	Noise reduction system
US2839150A (en) *	1954-02-02	1958-06-17	Perlman Robert Ruben	Loud speaker having means for utilizing the back wave
EP0412902A2 (fr) *	1989-08-10	1991-02-13	Mnc, Inc.	Dispositif électro-acoustique pour des moyens auditifs avec suppression du bruit
EP0412902A3 (en) *	1989-08-10	1992-07-01	Mnc, Inc.	Electroacoustic device for hearing needs including noise cancellation

Publication	Publication Date	Title
BE386851Q (fr)	1932-04-30	Procédé et dispositif de garnissage du râtelier porte-bobines de bobinoirs
FR762121A (fr)	1934-04-04	Procédé et dispositif de protection contre les bruits
FR766079A (fr)	1934-06-21	Procédé et dispositif de télévision
FR805275A (fr)	1936-11-16	Procédé et dispositif de protection contre les ondes nocives
FR701592A (fr)	1931-03-18	Procédé et dispositif de labourage
FR740557A (fr)	1933-01-27	Dispositif de protection pour cuirasses
FR739241A (fr)	1933-01-06	Procédé et dispositif de soudure
FR746336A (fr)	1933-05-26	Procédé et dispositif de polissage
FR722274A (fr)	1932-03-15	Procédé de protection contre les bruits
FR768546A (fr)	1934-08-07	Procédé et dispositif de prise et de projection de vues en relief
FR756503A (fr)	1933-12-11	Dispositif de protection contre les rayons solaires
FR820834A (fr)	1937-11-19	Procédé et dispositif de détartrage et de dégazéification
FR754615A (fr)	1933-11-10	Procédé et dispositif de meulage de surfaces courbes
FR769989A (fr)	1934-09-05	Procédé et dispositif de protection contre les gaz
FR723262A (fr)	1932-04-06	Procédé et dispositif pour la protection des lames de rasoir
FR769003A (fr)	1934-08-17	Procédé et dispositif de télévision
FR769318A (fr)	1934-08-24	Procédé et dispositif de télévision
FR829652A (fr)	1938-07-04	Procédé et dispositif de télémesure
FR738480A (fr)	1932-12-26	Procédé et dispositif de raccordement pour tuyaux
FR717267A (fr)	1932-01-06	Dispositif de protection des bords des verres et récipients
FR738934A (fr)	1932-12-31	Procédé et dispositif pour inhalations
FR830400A (fr)	1938-07-28	Procédé et dispositif de binage et de sulfatage
FR751498A (fr)	1933-09-04	Dispositif de guidage et de rappel pour les loqueteaux de serrures
FR738628A (fr)	1932-12-28	Dispositif de découpage
FR48248E (fr)	1937-11-23	Procédé et dispositif de diffusion continue