| Patents for G10K 13 - Cones, diaphragms, or the like, for emitting or receiving sound in general (442) |
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| 09/08/2005 | US20050194202 Speaker insulator and a speaker apparatus |
| 08/25/2005 | US20050185817 Tangential stress reduction system in a loudspeaker suspension |
| 08/03/2005 | CN1649678A Ultrasonic membrane transducer |
| 07/21/2005 | US20050157900 Acoustic passive radiator rocking mode reducing |
| 07/20/2005 | EP1555849A2 Acoustic passive radiator with rocking-mode reduction |
| 07/20/2005 | CN1642356A Acoustic passive radiator with rocking-mode reduction |
| 06/16/2005 | WO2005055579A1 System for producing artificial telepathy |
| 04/27/2005 | EP1525774A1 Sound transducer comprising a small rear volume chamber |
| 04/07/2005 | WO2005031698A1 Horn |
| 03/31/2005 | DE19917862B4 Ultraschallsensor Ultrasonic sensor |
| 02/09/2005 | EP1503871A1 Ultrasonic membrane transducer |
| 02/08/2005 | US6851513 Tangential stress reduction system in a loudspeaker suspension |
| 11/11/2004 | WO2004098236A1 Speaker diaphragm |
| 08/31/2004 | US6784600 Ultrasound diagnostic systems that use ultrasonic transducers to provide diagnostic information concerning the interior of the body through ultrasound imaging |
| 08/11/2004 | EP1273204B1 Acoustic transducer for broad-band loudspeakers or headphones |
| 08/04/2004 | CN1160579C Ultrasonic sensor |
| 04/28/2004 | CN1147970C Energy feeding curve produced by using natural isogonal rotary line and natural isogonal arc line |
| 03/03/2004 | EP1394538A1 Ultrasound low frequency composition converter provided with mode switch |
| 02/26/2004 | WO2004017672A1 Sound transducer comprising a small rear volume chamber |
| 02/10/2004 | CA2137185C High power, very low frequency acoustic wave transmission process and associated transducers |
| 02/05/2004 | DE10328380A1 Electroacoustic transducer for communications terminal has relatively small enclosed rear volume for allowing increased miniaturization |
| 11/13/2003 | WO2003092916A1 Ultrasonic membrane transducer |
| 11/06/2003 | US20030205947 Ultrasonic membrane transducer for an ultrasonic diagnostic probe |
| 09/24/2003 | EP1064645B1 Ultrasonic transducer |
| 09/24/2003 | CN1122436C Loudspeaker vibrating diaphragm and methods for its production |
| 09/17/2003 | EP1222653B1 Underwater broadband acoustic transducer |
| 09/09/2003 | US6617765 Underwater broadband acoustic transducer |
| 09/02/2003 | US6612399 Lightweight low frequency loudspeaker for active noise control |
| 08/28/2003 | US20030161494 Acoustic transducer for broad-band loudspeakers or headphones |
| 07/23/2003 | EP0963681A4 Directed acoustic stick radiator |
| 07/15/2003 | US6591938 Speaker diaphragm |
| 06/24/2003 | US6584039 Multi-mode pipe projector |
| 02/04/2003 | US6516076 Modular horn loudspeaker |
| 01/08/2003 | EP1273204A2 Acoustic transducer for broad-band loudspeakers or headphones |
| 12/12/2002 | WO2002090972A8 Ultrasound low frequency composition converter provided with mode switch |
| 11/21/2002 | US20020170773 Tangential stress reduction system in a loudspeaker suspension |
| 11/14/2002 | WO2002090972A1 Ultrasound low frequency composition converter provided with mode switch |
| 10/10/2002 | DE10116166A1 Active panel, especially vehicle windscreen, has inner panel facing interior elastically joined to outer panel at edges, actuators acting on inner panel to control vibration behavior of inner panel |
| 10/04/2002 | WO2001076320A2 Acoustic transducer for broad-band loudspeakers or headphones |
| 10/04/2002 | CA2405436A1 Acoustic transducer for broadband loudspeakers or headphones |
| 08/01/2002 | US20020100635 Speaker diaphragm |
| 07/17/2002 | EP1222653A1 Underwater broadband acoustic transducer |
| 05/07/2002 | CA2080070C Process and arrangement for pickling steel sheet edges immersed in a reactive solution, especially hot rolled steel sheet |
| 05/02/2002 | EP1202249A1 Waterproof transducer for half-wavelength array |
| 04/23/2002 | US6374676 Ultrasonic transducer |
| 04/18/2002 | WO2001076320A3 Acoustic transducer for broad-band loudspeakers or headphones |
| 08/16/2001 | DE10018032C1 Akustischer Wandler für Kopfhörer An acoustic transducer for headphones |
| 08/07/2001 | US6269700 Contactless ultrasonic device for dimensional inspection |
| 07/24/2001 | CA2257584C Acoustic transducer system |
| 06/26/2001 | US6250162 Ultrasonic sensor |
| 06/19/2001 | US6247551 Panel-form loudspeaker |
| 04/26/2001 | WO2001029820A1 Underwater broadband acoustic transducer |
| 01/03/2001 | EP1064645A2 Ultrasonic transducer |
| 12/26/2000 | US6164408 Plenum mounted, flat panel masking loudspeaker system and method for mounting a masking loudspeaker in a ceiling plenum |
| 07/04/2000 | US6083165 Passive sensor system using ultrasonic energy |
| 06/27/2000 | US6081064 Acoustic transducer system |
| 05/02/2000 | US6058196 Panel-form loudspeaker |
| 02/29/2000 | US6030561 Methods for making a loudspeaker vibrating diaphragm |
| 02/16/2000 | CN1245005A Directed acoustic stick radiator |
| 02/08/2000 | CA2203583C Sound or ultrasound sensor |
| 01/18/2000 | US6016351 Directed radiator with modulated ultrasonic sound |
| 12/15/1999 | EP0963681A2 Directed acoustic stick radiator |
| 11/23/1999 | US5989190 Passive sensor system using ultrasonic energy |
| 11/04/1999 | DE19917862A1 Ultrasound sensor for object detection, e.g. for automobile driving aid |
| 11/03/1999 | CN1233757A Ultrasonic sensor |
| 08/17/1999 | US5940347 Directed stick radiator |
| 08/11/1999 | EP0934505A1 Dimensional inspection device without ultrasonic contact |
| 07/07/1999 | EP0927987A2 Sound transducer system |
| 06/10/1999 | WO1999018563A3 Ultrasonic transducer |
| 05/19/1999 | EP0741873B1 A passive sensor system using ultrasonic energy |
| 04/29/1999 | DE19744229A1 Ultrasonic transducer |
| 04/15/1999 | WO1999018563A2 Ultrasonic transducer |
| 04/06/1999 | US5892185 Speaker unit and a method for manufacturing the same |
| 02/18/1999 | WO1998026405A3 Directed acoustic stick radiator |
| 08/13/1998 | DE19723499C1 Shock wave source based on electromagnetic principle |
| 08/11/1998 | US5793002 Loudspeaker vibrating diaphragm and methods for its production |
| 06/18/1998 | WO1998026405A2 Directed acoustic stick radiator |
| 05/07/1998 | WO1998019133A1 Dimensional inspection device without ultrasonic contact |
| 04/09/1998 | DE19648986C1 Directional rod-type acoustic radiator |
| 03/10/1998 | US5726952 Sound or ultrasound sensor |
| 03/04/1998 | CN2275751Y Ceramic loudspeak box |
| 01/22/1998 | WO1998002976A1 Directed radiator with modulated ultrasonic sound |
| 01/22/1998 | DE19628849A1 Richtstrahler durch modulierten Ultraschall Directional spotlight by modulated ultrasound |
| 11/19/1997 | EP0807924A2 Sound or ultrasound transducer |
| 11/12/1997 | EP0806031A1 Ultrasonic generator |
| 10/22/1997 | EP0802521A2 Transducer for sending and/or receiving of acoustic signals |
| 06/17/1997 | CA2105491C Acoustic transducer |
| 05/06/1997 | US5627321 Method of straining a diaphragm and a device therefor |
| 04/15/1997 | US5619997 Passive sensor system using ultrasonic energy |
| 12/17/1996 | US5585579 Solid body capable of vibration and/or reflection in devices and installations for generating, radiating, distributing or transmitting sound vibrations |
| 12/03/1996 | US5581053 Diaphragm of electroacoustic transducer and method of manufacturing the same |
| 11/13/1996 | EP0741873A1 A passive sensor system using ultrasonic energy |
| 10/09/1996 | EP0507892B1 Ultrasonic transducer |
| 10/02/1996 | CN1132461A Loudspeaker vibrating diaphragm and methods for its production |
| 09/12/1996 | DE19507650A1 Ultrasonic sensor for determining distance of objects with pan shaped housing |
| 09/11/1996 | CN1130784A Energy feeding method using natural isogonal rotary curved surface |
| 08/01/1996 | WO1996023296A1 Ultrasonic generator |
| 07/23/1996 | CA2032080C Directional microphone assembly |
| 03/12/1996 | US5498841 Dual acoustical passage stethoscope |
| 02/07/1996 | EP0696155A1 Method and acoustic system for sonification of enclosed and open spaces |