SE7608834L - Storningsupphevnde anordning - Google Patents
Storningsupphevnde anordningInfo
- Publication number
- SE7608834L SE7608834L SE7608834A SE7608834A SE7608834L SE 7608834 L SE7608834 L SE 7608834L SE 7608834 A SE7608834 A SE 7608834A SE 7608834 A SE7608834 A SE 7608834A SE 7608834 L SE7608834 L SE 7608834L
- Authority
- SE
- Sweden
- Prior art keywords
- acoustic
- output
- cancel
- noise
- signal
- Prior art date
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
- G10K11/1781—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17813—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
- G10K11/17819—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 characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the reference signals, e.g. to prevent howling
-
- 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
- G10K11/17853—Methods, e.g. algorithms; Devices of the filter
-
- 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
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/102—Two dimensional
-
- 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
- G10K2210/301—Computational
- G10K2210/3042—Parallel processing
-
- 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
-
- 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
- G10K2210/3216—Cancellation means disposed in the vicinity of the source
-
- 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
- G10K2210/3222—Manual tuning
-
- 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
- G10K2210/501—Acceleration, e.g. for accelerometers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/603,978 US4025724A (en) | 1975-08-12 | 1975-08-12 | Noise cancellation apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7608834L true SE7608834L (sv) | 1977-02-13 |
Family
ID=24417676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7608834A SE7608834L (sv) | 1975-08-12 | 1976-08-06 | Storningsupphevnde anordning |
Country Status (13)
Country | Link |
---|---|
US (1) | US4025724A (es) |
JP (1) | JPS5926039B2 (es) |
AU (1) | AU507740B2 (es) |
BE (1) | BE844682A (es) |
CA (1) | CA1088871A (es) |
CH (1) | CH610429A5 (es) |
DE (1) | DE2635453A1 (es) |
ES (1) | ES450603A1 (es) |
FR (1) | FR2321163A1 (es) |
GB (1) | GB1541121A (es) |
IT (1) | IT1069185B (es) |
NL (1) | NL7608417A (es) |
SE (1) | SE7608834L (es) |
Families Citing this family (105)
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---|---|---|---|---|
GB1577322A (en) * | 1976-05-13 | 1980-10-22 | Bearcroft R | Active attenuation of recurring vibrations |
FR2386881A1 (fr) * | 1977-04-05 | 1978-11-03 | Sound Attenuators Ltd | Perfectionnements relatifs a l'attenuation active de sons |
US4423289A (en) * | 1979-06-28 | 1983-12-27 | National Research Development Corporation | Signal processing systems |
US4473906A (en) * | 1980-12-05 | 1984-09-25 | Lord Corporation | Active acoustic attenuator |
US4480333A (en) * | 1981-04-15 | 1984-10-30 | National Research Development Corporation | Method and apparatus for active sound control |
US4388711A (en) * | 1981-07-28 | 1983-06-14 | The United States Of America As Represented By The Secretary Of The Navy | Optimum flow noise cancelling hydrophone module |
JPS5827313A (ja) * | 1981-08-11 | 1983-02-18 | Hitachi Ltd | 静止誘導電器の振動低減方法 |
JPS5895806A (ja) * | 1981-12-02 | 1983-06-07 | Hitachi Ltd | 静止誘導電器の防音装置 |
GB2122052B (en) * | 1982-06-09 | 1986-01-29 | Plessey Co Plc | Reducing noise or vibration |
JPS59133595A (ja) * | 1982-11-26 | 1984-07-31 | ロ−ド・コ−ポレ−シヨン | 能動音響減衰装置 |
US4562589A (en) * | 1982-12-15 | 1985-12-31 | Lord Corporation | Active attenuation of noise in a closed structure |
US4590593A (en) * | 1983-06-30 | 1986-05-20 | Nl Industries, Inc. | Electronic noise filtering system |
WO1985001586A1 (en) * | 1983-09-26 | 1985-04-11 | Exploration Logging, Inc. | Noise subtraction filter |
DE3411494A1 (de) * | 1984-03-28 | 1985-10-03 | Axel 6000 Frankfurt Klopprogge | Verfahren zur unterdrueckung von schall sowie schaltungsanordnung und schallschutzvorrichtung zur durchfuehrung des verfahrens |
GB8418056D0 (en) * | 1984-07-16 | 1984-08-22 | Roberts J P | Active control of acoustic instability in combustion chambers |
US4628529A (en) * | 1985-07-01 | 1986-12-09 | Motorola, Inc. | Noise suppression system |
US4630304A (en) * | 1985-07-01 | 1986-12-16 | Motorola, Inc. | Automatic background noise estimator for a noise suppression system |
GB8520086D0 (en) * | 1985-08-09 | 2011-06-29 | Secr Defence | A monitoring system for a ship's radiated noise |
US4677677A (en) * | 1985-09-19 | 1987-06-30 | Nelson Industries Inc. | Active sound attenuation system with on-line adaptive feedback cancellation |
US4665549A (en) * | 1985-12-18 | 1987-05-12 | Nelson Industries Inc. | Hybrid active silencer |
US4829590A (en) * | 1986-01-13 | 1989-05-09 | Technology Research International, Inc. | Adaptive noise abatement system |
US4677676A (en) * | 1986-02-11 | 1987-06-30 | Nelson Industries, Inc. | Active attenuation system with on-line modeling of speaker, error path and feedback pack |
US4715559A (en) * | 1986-05-15 | 1987-12-29 | Fuller Christopher R | Apparatus and method for global noise reduction |
GB8615315D0 (en) * | 1986-06-23 | 1986-07-30 | Secr Defence | Aircraft cabin noise control apparatus |
US4736431A (en) * | 1986-10-23 | 1988-04-05 | Nelson Industries, Inc. | Active attenuation system with increased dynamic range |
FR2609827B1 (fr) * | 1987-01-16 | 1991-04-12 | Electricite De France | Procede et dispositif pour reduire le bruit a composante harmonique dominante rayonne par une paroi d'appareillage |
US4805733A (en) * | 1987-07-07 | 1989-02-21 | Nippondenso Co., Ltd. | Active silencer |
US5012274A (en) * | 1987-12-31 | 1991-04-30 | Eugene Dolgoff | Active matrix LCD image projection system |
US5300942A (en) * | 1987-12-31 | 1994-04-05 | Projectavision Incorporated | High efficiency light valve projection system with decreased perception of spaces between pixels and/or hines |
US4930113A (en) * | 1989-03-30 | 1990-05-29 | Halliburton Geophysical Services, Inc. | Suppression of air-coupled noise produced by seismic vibrators |
US4928264A (en) * | 1989-06-30 | 1990-05-22 | The United States Of America As Represented By The Secretary Of The Navy | Noise-suppressing hydrophones |
US4963804A (en) * | 1989-07-10 | 1990-10-16 | Westinghouse Electric Corp. | Apparatus and method for reducing vibration of rotating machinery |
US5001763A (en) * | 1989-08-10 | 1991-03-19 | Mnc Inc. | Electroacoustic device for hearing needs including noise cancellation |
US5117642A (en) * | 1989-12-18 | 1992-06-02 | Kabushiki Kaisha Toshiba | Low noise refrigerator and noise control method thereof |
US5127235A (en) * | 1989-12-18 | 1992-07-07 | Kabushiki Kaisha Toshiba | Low noise refrigerator and noise control method thereof |
JP2748626B2 (ja) * | 1989-12-29 | 1998-05-13 | 日産自動車株式会社 | 能動型騒音制御装置 |
JPH0684860B2 (ja) * | 1990-05-01 | 1994-10-26 | 株式会社東芝 | 低騒音冷蔵庫 |
US5140640A (en) * | 1990-08-14 | 1992-08-18 | The Board Of Trustees Of The University Of Illinois | Noise cancellation system |
US5243512A (en) * | 1991-05-20 | 1993-09-07 | Westinghouse Electric Corp. | Method and apparatus for minimizing vibration |
US5452265A (en) * | 1991-07-01 | 1995-09-19 | The United States Of America As Represented By The Secretary Of The Navy | Active acoustic impedance modification arrangement for controlling sound interaction |
US5221185A (en) * | 1991-08-05 | 1993-06-22 | General Electric Company | Method and apparatus for synchronizing rotating machinery to reduce noise |
DE4133407C2 (de) * | 1991-10-09 | 1994-01-20 | Deutsche Aerospace | Anordnung zur Kompensation des durch eine schwingende Wand abgestrahlten Schalles |
US5315661A (en) * | 1992-08-12 | 1994-05-24 | Noise Cancellation Technologies, Inc. | Active high transmission loss panel |
US5381485A (en) * | 1992-08-29 | 1995-01-10 | Adaptive Control Limited | Active sound control systems and sound reproduction systems |
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US5692053A (en) * | 1992-10-08 | 1997-11-25 | Noise Cancellation Technologies, Inc. | Active acoustic transmission loss box |
JP3410129B2 (ja) * | 1992-12-25 | 2003-05-26 | 富士重工業株式会社 | 車室内騒音低減装置 |
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US5410607A (en) * | 1993-09-24 | 1995-04-25 | Sri International | Method and apparatus for reducing noise radiated from a complex vibrating surface |
US5381381A (en) * | 1993-09-30 | 1995-01-10 | The United States Of America As Represented By The Secretary Of The Navy | Far field acoustic radiation reduction |
US5488666A (en) * | 1993-10-01 | 1996-01-30 | Greenhalgh Technologies | System for suppressing sound from a flame |
US5420383A (en) * | 1993-10-22 | 1995-05-30 | United Technologies Corporation | Anti-sound arrangement for multi-stage blade cascade |
US5524058A (en) * | 1994-01-12 | 1996-06-04 | Mnc, Inc. | Apparatus for performing noise cancellation in telephonic devices and headwear |
US5551650A (en) * | 1994-06-16 | 1996-09-03 | Lord Corporation | Active mounts for aircraft engines |
RU2164318C2 (ru) * | 1995-06-26 | 2001-03-20 | Юпонор Инновейшн А.Б. | Труба |
WO1997002560A1 (en) * | 1995-07-05 | 1997-01-23 | Alumax Inc. | Method and apparatus for active noise control of high order modes in ducts |
US5812684A (en) * | 1995-07-05 | 1998-09-22 | Ford Global Technologies, Inc. | Passenger compartment noise attenuation apparatus for use in a motor vehicle |
US5662136A (en) * | 1995-09-11 | 1997-09-02 | Defense Research Technologies, Inc. | Acousto-fluidic driver for active control of turbofan engine noise |
FR2739214B1 (fr) * | 1995-09-27 | 1997-12-19 | Technofirst | Procede et dispositif d'attenuation active hybride de vibrations, notamment de vibrations mecaniques, sonores ou analogues |
US7088832B1 (en) * | 1996-03-14 | 2006-08-08 | Cooper J Carl | IFB system apparatus and method |
US5887071A (en) * | 1996-08-07 | 1999-03-23 | Harman International Industries, Incorporated | Dipole speaker headrests |
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US7643015B2 (en) * | 2002-05-24 | 2010-01-05 | Massachusetts Institute Of Technology | Systems and methods for tracking impacts |
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US9558755B1 (en) | 2010-05-20 | 2017-01-31 | Knowles Electronics, Llc | Noise suppression assisted automatic speech recognition |
CN103607982B (zh) | 2011-05-11 | 2016-10-12 | 塞伦蒂姆公司 | 噪声控制的装置、系统和方法 |
US9928824B2 (en) | 2011-05-11 | 2018-03-27 | Silentium Ltd. | Apparatus, system and method of controlling noise within a noise-controlled volume |
US8933576B2 (en) | 2012-05-02 | 2015-01-13 | United Technologies Corporation | Hybrid friction wheel gearbox drivetrain for wind turbine applications |
US9091250B2 (en) | 2012-05-02 | 2015-07-28 | United Technologies Corporation | Ultra high efficiency low friction drive chain for wind turbine applications |
US8598725B1 (en) | 2012-06-11 | 2013-12-03 | United Technologies Corporation | Utilizing flux controllable PM electric machines for wind turbine applications |
WO2014022280A1 (en) * | 2012-08-03 | 2014-02-06 | The Penn State Research Foundation | Microphone array transducer for acoustic musical instrument |
US9264524B2 (en) | 2012-08-03 | 2016-02-16 | The Penn State Research Foundation | Microphone array transducer for acoustic musical instrument |
WO2015073985A2 (en) * | 2013-11-15 | 2015-05-21 | Msi Dfat Llc | Standing wave reduction in direct field acoustic testing |
US9525944B2 (en) * | 2014-08-05 | 2016-12-20 | The Boeing Company | Apparatus and method for an active and programmable acoustic metamaterial |
CN107112025A (zh) | 2014-09-12 | 2017-08-29 | 美商楼氏电子有限公司 | 用于恢复语音分量的系统和方法 |
DE112016000545B4 (de) | 2015-01-30 | 2019-08-22 | Knowles Electronics, Llc | Kontextabhängiges schalten von mikrofonen |
DE102016007391A1 (de) * | 2016-06-17 | 2017-12-21 | Oaswiss AG (i. G.) | Antischallanordnung |
DE102019218889A1 (de) | 2019-12-04 | 2021-06-10 | Lear Corporation | Tonsystem |
CN112233638B (zh) * | 2020-10-14 | 2024-04-02 | 南京南大电子智慧型服务机器人研究院有限公司 | 一种可调的低频消声结构的设计方法 |
DE202021001457U1 (de) | 2021-04-20 | 2021-06-16 | Frank Sekura | Schalldämmendes Element für Fensterlaibungen |
WO2023089300A1 (en) * | 2021-11-18 | 2023-05-25 | Bae Systems Plc | System and method for active acoustic control |
EP4184504A1 (en) * | 2021-11-18 | 2023-05-24 | BAE SYSTEMS plc | System and method for active acoustic control |
Family Cites Families (8)
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US2743314A (en) * | 1950-09-06 | 1956-04-24 | Le Teleampliphone Soc | Two-way loudspeaker telephone installations |
US2776020A (en) * | 1955-02-09 | 1957-01-01 | Gen Electric | Noise reducing system for transformers |
FR1154170A (fr) * | 1955-06-24 | 1958-04-03 | Siemens Ag | Dispositif pour réduire l'émission de sons ou bruits parasites provenant de corps soumis à des vibrations |
US2964272A (en) * | 1955-07-01 | 1960-12-13 | Rca Corp | Vibration control apparatus |
DE1098730B (de) * | 1957-07-01 | 1961-02-02 | Licentia Gmbh | Einrichtung zur Daemmung des von Gehaeusen abgestrahlten Geraeusches |
US3071752A (en) * | 1958-01-02 | 1963-01-01 | Strasberg Murray | Interference reduction apparatus |
DE2139941A1 (de) * | 1971-08-10 | 1973-03-01 | Messerschmitt Boelkow Blohm | Laermabschirmung durch schallgitter |
GB1458663A (en) * | 1972-12-15 | 1976-12-15 | Ard Anstalt | Microphone circuits |
-
1975
- 1975-08-12 US US05/603,978 patent/US4025724A/en not_active Expired - Lifetime
-
1976
- 1976-07-15 CA CA257,068A patent/CA1088871A/en not_active Expired
- 1976-07-26 FR FR7622756A patent/FR2321163A1/fr active Granted
- 1976-07-29 NL NL7608417A patent/NL7608417A/xx not_active Application Discontinuation
- 1976-07-29 AU AU16391/76A patent/AU507740B2/en not_active Expired
- 1976-07-29 BE BE169381A patent/BE844682A/xx not_active IP Right Cessation
- 1976-08-06 SE SE7608834A patent/SE7608834L/xx not_active Application Discontinuation
- 1976-08-06 DE DE19762635453 patent/DE2635453A1/de not_active Ceased
- 1976-08-09 GB GB33032/76A patent/GB1541121A/en not_active Expired
- 1976-08-10 ES ES450603A patent/ES450603A1/es not_active Expired
- 1976-08-11 IT IT41638/76A patent/IT1069185B/it active
- 1976-08-11 CH CH1023576A patent/CH610429A5/xx not_active IP Right Cessation
- 1976-08-12 JP JP51095460A patent/JPS5926039B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2635453A1 (de) | 1977-03-03 |
FR2321163B1 (es) | 1981-01-23 |
BE844682A (fr) | 1977-01-31 |
CH610429A5 (es) | 1979-04-12 |
NL7608417A (nl) | 1977-02-15 |
AU1639176A (en) | 1978-02-02 |
GB1541121A (en) | 1979-02-21 |
JPS5223302A (en) | 1977-02-22 |
US4025724A (en) | 1977-05-24 |
IT1069185B (it) | 1985-03-25 |
AU507740B2 (en) | 1980-02-28 |
JPS5926039B2 (ja) | 1984-06-23 |
FR2321163A1 (fr) | 1977-03-11 |
ES450603A1 (es) | 1977-12-16 |
CA1088871A (en) | 1980-11-04 |
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