Patents for G10K 11 - 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 (21,150) |
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01/30/2002 | EP1175669A1 Systems and methods for passive pressure-compensation for acoustic transducers |
01/30/2002 | CN2474179Y Megaphone recreation body building apparatus |
01/30/2002 | CN1333908A Acoustic resonator with bored open volume |
01/30/2002 | CN1333413A Noise silencer for door or window |
01/29/2002 | US6343129 Elastomeric dielectric polymer film sonic actuator |
01/29/2002 | US6343127 Active noise control system for closed spaces such as aircraft cabin |
01/29/2002 | US6342747 Wing type ultrasonic transducer |
01/29/2002 | US6341663 Silencer with a shunt resonator |
01/29/2002 | US6341661 Bow dome sonar |
01/24/2002 | WO2002006643A2 A multiple layer fiber filled sound absorber and a method of manufacturing the same |
01/24/2002 | WO2001037252A3 Method for designing a sound-absorbent wall |
01/24/2002 | US20020009936 Method for fabricating non-fiberglass sound absorbing moldable thermoplastic structure |
01/24/2002 | US20020009202 Electromechnical acoustic liner |
01/24/2002 | US20020007900 Decoration, insulation |
01/24/2002 | DE10043201C1 Miniature electroacoustic transducer for telephone handset or hearing aid has outer encapsulation housing filled with gas at reduced pressure |
01/24/2002 | CA2413724A1 A multiple layer fiber filled sound absorber and a method of manufacturing the same |
01/23/2002 | CN1078348C Oscillating receiver |
01/22/2002 | US6340068 Use of a material with a high internal damping for a component of a sound-emitting machine |
01/22/2002 | CA2107663C Active noise reduction |
01/17/2002 | WO2002004730A1 Nonwoven for sound-insulating applications |
01/17/2002 | US20020007118 Ultrasonic wave transducer system and ultrasonic wave transducer |
01/17/2002 | US20020006079 Ultrasonic probe and method of manufacturing the same |
01/17/2002 | US20020005238 Tire for motor vehicle wheels having a tread producing a low rolling noise |
01/17/2002 | DE19500725C2 Schallabsorbierender und wärmeisolierender Formkörper Sound-absorbing and heat-insulating molded body |
01/16/2002 | EP1172801A2 Ultrasonic probe and method of manufacturing the same |
01/16/2002 | EP1172800A2 Sound absorbing arrangement using a porous material |
01/16/2002 | EP1172200A1 Ceiling member for automobile interior |
01/16/2002 | EP1171884A1 Device for reducing the noise level of a hard-disk drive |
01/16/2002 | EP1057037B1 Knock sensor with low sensitivity dispersion |
01/15/2002 | CA2252025C Advanced sound reduction tape |
01/13/2002 | CA2338036A1 Ultrasonic probe and method of manufacturing the same |
01/10/2002 | WO2002003375A1 Shaped microperforated polymeric film sound absorbers and methods of manufacturing the same |
01/10/2002 | WO2002002318A1 Acoustical and thermal insulator |
01/10/2002 | WO2002002303A2 Process for forming composite insulator |
01/10/2002 | WO2002002302A2 Process for forming a multilayer, multidensity composite insulator |
01/10/2002 | WO2001034018A3 Use of focused ultrasound for vascular sealing |
01/10/2002 | US20020004543 For acoustic damping in aerospace, recording applications |
01/10/2002 | US20020003887 Active noise control system with on-line secondary path modeling |
01/10/2002 | US20020002906 Enclosure for an air aspirating machine |
01/10/2002 | DE10130751A1 Ultrasonic transmission involves transmitting essentially identical pulse from fewer than total number of transducer elements so all pulses arrive at focal point at essentially same time |
01/09/2002 | EP1169526A1 Absorbent material, consisting of a porous matter with double porosity |
01/08/2002 | US6336368 Method and apparatus for energy efficient tacking of resonant devices |
01/03/2002 | WO2002001167A1 A mechano-electrical sensor for sensing force or vibration |
01/03/2002 | WO2002000117A1 Two-way mechano-electrical transducer |
01/03/2002 | WO2001069283A3 Method and apparatus for dynamic focusing of ultrasound energy |
01/03/2002 | WO2001065538A3 Small ultrasound transducers |
01/03/2002 | DE10126306A1 Schalldämpfungssystem mit geringem Gewicht Silencer system with low weight |
01/03/2002 | DE10114402A1 Ultraschallempfangs-Strahlenbildungsgerät unter Verwendung von mehrstufigen Empfangsverzögerungsvorrrichtungen Ultrasonic receiving beam forming apparatus using multistage Empfangsverzögerungsvorrrichtungen |
01/03/2002 | CA2413447A1 A mechano-electrical sensor for sensing force or vibration |
01/03/2002 | CA2413410A1 Two-way mechano-electrical transducer |
01/02/2002 | EP1167996A1 Method and apparatus for ultrasound imaging, particularly for three-dimensional imaging |
01/02/2002 | EP1167646A1 Anechoic structural elements and chamber |
01/02/2002 | EP0962013B1 Lambda/4 absorber with adjustable band width |
01/02/2002 | EP0786131B1 Jet engine fan noise reduction system utilizing electro pneumatic transducers |
12/27/2001 | WO2001098434A1 Protective barrier |
12/26/2001 | CN2468126Y Sound absorption apparatus |
12/26/2001 | CN1328501A Corrugated multilayer metal foil insulation panels and method of making |
12/25/2001 | US6333590 Ultrasonic transducer having laminate structure, ultrasonic probe and production method thereof |
12/25/2001 | US6332511 Silencer assembly having single strand fiberglass acoustic pack material |
12/25/2001 | US6332509 Noise reducer for construction equipment |
12/20/2001 | WO2001096808A2 Bracelet for moving ultrasonic sensors along a pipe |
12/20/2001 | WO2001096254A1 Insulating product in particular thermal containing a binder based on phenol-formaldehyde resin and method for making same |
12/20/2001 | WO2001063594A3 Active noise reduction along the direction of propagation of the sound from the primary source |
12/20/2001 | WO2001041499A3 Method and device for improving communication in a vehicle |
12/20/2001 | US20010053228 Noise cancellation system for active headsets |
12/20/2001 | DE10028771A1 Noise attenuator as film absorber with support shell all chambered for acoustic absorption and resonator function. |
12/20/2001 | DE10015697C1 Schallwandler für Abgaspulsationen Transducer for exhaust gas pulsations |
12/19/2001 | CN2466759Y 消音板 Silencer board |
12/18/2001 | US6332027 Noise-absorption structures and walls constituted thereby |
12/13/2001 | WO2001095309A1 Self-cleaning transparent sound barrier and process for producing the same |
12/13/2001 | WO2001094772A1 Active noise cancellation arrangement with heat dissipation |
12/13/2001 | WO2001094099A1 Rotary sonotrode for continuous large dimension welding |
12/13/2001 | WO2001064991A3 Sound absorbing material |
12/13/2001 | WO2001045550A3 Ultrasound transducers for imaging and therapy |
12/13/2001 | US20010051772 Ultrasound receive beamforming apparatus using multi stage delay devices |
12/13/2001 | US20010050993 Active noise reduction apparatus having a headset with dual stereo jacks and an electronic device having switch means |
12/13/2001 | US20010050197 Microperforated polymeric film for sound absorption and sound absorber using same |
12/13/2001 | US20010050196 Polystyrene sheets and films applied to polyurethane foams comprising at least one substrate layer and at least one functional layer which comprises one or more blowing agents or nucleating agents |
12/13/2001 | DE10026568A1 Connecting piece for ultrasonic transducer housing has body divided into head part with external surface and journal with inner surface facing medium and two sealing surfaces |
12/13/2001 | CA2411753A1 Rotary sonotrode for continuous large dimension welding |
12/12/2001 | EP1162725A2 Linear motor |
12/12/2001 | EP1162600A2 Active control of automotive induction noise |
12/12/2001 | EP1162599A2 Recalibration of active noise cancellation system |
12/12/2001 | EP1162598A2 Payload fairing with jettisonable mass acoustic suppression |
12/12/2001 | EP1162354A2 Shroud for an air aspirating engine |
12/12/2001 | EP1161360A1 Sound-shielding element, use thereof and method for producing the same |
12/12/2001 | EP0941383B1 Manufacture of paper |
12/12/2001 | EP0847527B1 Ultrasonic probes for use in harsh environments |
12/11/2001 | US6330336 Active silencer |
12/11/2001 | US6328513 Vibration floating washer assembly and method of attaching the same to heat insulating plate |
12/06/2001 | WO2001093468A1 Method for transferring a message of any physical nature, for example a method for sound message transfer and system for carrying out said method (variants). method for active spatial reduction of amplitude levels of any physical variety (variants) |
12/06/2001 | WO2001092846A2 Acustic sensor for localization |
12/06/2001 | WO2001092618A2 Sound and thermal insulating non-woven synthetic sheet material |
12/06/2001 | US20010049036 Compressor arrangement for the operation of a fuel cell system |
12/06/2001 | US20010048740 Noise canceler system with adaptive cross-talk filters |
12/06/2001 | US20010048048 Backside fitting attachment for nacelle acoustic panels |
12/06/2001 | US20010047903 Active dipole inlet using drone speaker driver |
12/06/2001 | DE10027350A1 Kompressoranordnung für den Betrieb eines Brennstoffzellensystems sowie ein Verfahren zur Kühlung und/oder Schallisolierung einer Kompressoranordnung Compressor arrangement for operating a fuel cell system and a method for cooling and / or sound insulation of a compressor assembly |
12/06/2001 | DE10026584A1 Acoustic element has impedance grid with solid reflective areas, hollow vibrational areas with membrane covering layer, hollow central layer defining separation of two membrane layers |
12/06/2001 | DE10026415A1 Abschirmvorrichtung Screening |