| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 04/12/1995 | CN2194578Y Microphone head with vibration noise proof |
| 04/11/1995 | US5406638 Automated conference system |
| 04/11/1995 | US5406637 Speaker enclosure assembly |
| 04/11/1995 | US5406037 Headphone including means for mounting belt-like suspender |
| 04/06/1995 | WO1995009516A1 Speaker design with attenuated reflection |
| 04/06/1995 | WO1995009515A1 Acoustical speaker cover |
| 04/06/1995 | DE4434719A1 Loudspeaker |
| 04/05/1995 | EP0646307A1 Water-resistant transducer housing with hydrophobic vent. |
| 04/05/1995 | CN2194056Y Microphone for special purpose of gather material |
| 04/05/1995 | CN1101201A Frequency selective acoustic waveguide damping |
| 04/04/1995 | US5404577 Combination head-protective helmet & communications system |
| 04/04/1995 | US5403080 Device for concealing a loudspeaker |
| 04/04/1995 | US5402793 Ultrasonic transesophageal probe for the imaging and diagnosis of multiple scan planes |
| 04/04/1995 | US5402792 Ultrasonic medical apparatus |
| 03/30/1995 | WO1995008907A1 Optimum headset and method of adjusting same |
| 03/30/1995 | WO1995008905A1 Method for repeating of a sound |
| 03/30/1995 | DE4428500A1 Ultrasonic transducer array with a reduced number of transducer elements |
| 03/28/1995 | US5402502 Loudspeaker unit |
| 03/28/1995 | US5402497 Headphone apparatus for reducing circumference noise |
| 03/28/1995 | US5401920 Cerumen filter for hearing aids |
| 03/28/1995 | US5401907 Soldering terminal plate for loudspeakers |
| 03/28/1995 | US5400998 Stand for audio components |
| 03/22/1995 | EP0644706A1 Horn speaker system |
| 03/22/1995 | EP0640262A4 Unidirectional ear microphone and method. |
| 03/21/1995 | US5400414 For a television display |
| 03/21/1995 | US5400413 Pre-formed speaker grille cloth |
| 03/21/1995 | US5400412 Panel mount speaker support system |
| 03/21/1995 | US5400407 Tilt adjuster for a speaker support frame |
| 03/21/1995 | US5398992 Seat having sound system with acoustic waveguide |
| 03/16/1995 | DE4431873A1 Fahrzeug-Audioanlage Vehicle audio system |
| 03/15/1995 | CN2192113Y 合成纤维装饰喇叭网布 Synthetic mesh decorative horn |
| 03/15/1995 | CN1100251A Sterilizing sanitary cover for microphone |
| 03/15/1995 | CN1027949C Acoustic transmitter |
| 03/14/1995 | US5398288 Coaxial loudspeaker system |
| 03/14/1995 | US5397866 Speaker system |
| 03/14/1995 | CA2091892C Acoustic transmitter |
| 03/09/1995 | DE4422500A1 Decorative column for accommodating a subwoofer system |
| 03/09/1995 | DE4329635A1 Device for attaching an electroacoustic transducer to an ear on one side |
| 03/08/1995 | EP0642292A2 Device for sonic stereo reproduction |
| 03/08/1995 | EP0642290A2 Mobile communication apparatus with speech processing device |
| 03/07/1995 | US5396563 Earphone |
| 03/07/1995 | US5396557 Hygienic telephone pad and dispenser apparatus |
| 03/02/1995 | WO1995006397A1 Loudspeaker |
| 03/02/1995 | CA2165327A1 Loudspeaker |
| 03/01/1995 | EP0641142A1 Vented enclosure loudspeakers |
| 03/01/1995 | EP0640263A1 Bone conductive ear microphone and method |
| 03/01/1995 | EP0640262A1 Unidirectional ear microphone and method |
| 02/23/1995 | WO1995005723A1 Hygienic phone pad and dispenser apparatus |
| 02/21/1995 | US5392358 Electrolytic loudspeaker assembly |
| 02/16/1995 | WO1995005057A1 Loudspeaker |
| 02/15/1995 | CN2189462Y Ultraviolet light pipe telephone sterilizer |
| 02/14/1995 | US5390246 Portable multimedia marketing system |
| 02/14/1995 | US5388795 Depth adjustable bracket for wall mount speakers |
| 02/14/1995 | CA2048417C Telephone handset including directional microphone module |
| 02/09/1995 | WO1995004347A1 Remote siren headset |
| 02/08/1995 | EP0637896A2 Earphone assembly |
| 02/07/1995 | US5388163 Electret transducer array and fabrication technique |
| 02/07/1995 | US5388162 Sound innovation speaker system |
| 02/07/1995 | US5387026 Support structure for acoustic oscillation transferring device |
| 02/02/1995 | DE4415257A1 Elongate housing for accommodating luminaires and associated components, for use in railway stations and the like |
| 02/02/1995 | DE4339246C1 Portable umbrella |
| 02/01/1995 | EP0637187A1 Two-way communications earset |
| 02/01/1995 | CN2188835Y Facsimile sound box |
| 02/01/1995 | CN2188834Y Bend hanging small horn |
| 01/31/1995 | US5386479 Piezoelectric sound sources |
| 01/31/1995 | EP0647386A4 Loudspeaker cone suspension rim having integral gasket. |
| 01/24/1995 | CA2013333C Speaker system |
| 01/24/1995 | CA1334089C Stand for audio components |
| 01/19/1995 | WO1995002310A1 Headphone assembly |
| 01/18/1995 | CN1027487C Speaker front sheet |
| 01/12/1995 | DE4322898A1 Headphones with capacitive electro-acoustic transducer |
| 01/12/1995 | DE4319751C1 Verfahren zum Überziehen eines Gegenstandes mit einem Bezug und Vorrichtung zur Durchführung des Verfahrens A process for coating an object with a reference and device for carrying out the method |
| 01/11/1995 | EP0541646B1 Panel-form loudspeaker |
| 01/11/1995 | EP0490930B1 Electromagnetic resonant vibrator |
| 01/11/1995 | CN2187362Y Positioning adjuster for speakers |
| 01/10/1995 | US5381486 Communications headset having a universal joint-mounted microphone boom |
| 01/10/1995 | US5381473 Noise cancellation apparatus |
| 01/10/1995 | US5381386 Membrane hydrophone |
| 01/05/1995 | WO1995001078A1 Computer visual display monitor with integral stereo speaker and directional microphone and method for construction |
| 01/04/1995 | EP0631709A1 Dual element headphone |
| 01/04/1995 | EP0614599A4 User selectable noise canceling for portable microphones. |
| 12/28/1994 | CN2186468Y Rare-earth bend-spread transducer |
| 12/27/1994 | US5377273 Batteryless power supply for transducers |
| 12/27/1994 | US5377166 Polyhedral directional transducer array |
| 12/21/1994 | EP0629327A1 Headset amplifier with automatic log on/log off detection. |
| 12/21/1994 | CN1096621A Noise cancellation apparatus |
| 12/20/1994 | US5375174 Remote siren headset |
| 12/13/1994 | US5373565 Spacer for coaxial loudspeakers |
| 12/13/1994 | US5373564 Transmission line for planar waves |
| 12/13/1994 | US5373555 Unidirectional ear microphone and gasket |
| 12/13/1994 | US5373268 Thin film resonator having stacked acoustic reflecting impedance matching layers and method |
| 12/13/1994 | CA2090681C Noise-cancelling handset |
| 12/13/1994 | CA2015517C Loudspeaker horn |
| 12/07/1994 | EP0627867A1 Small-size loudspeaker |
| 12/07/1994 | EP0627087A1 Hydrophone arrangement |
| 12/06/1994 | US5371804 Voice transmission system |
| 12/06/1994 | US5371428 Piezoelectric transducer |
| 12/06/1994 | US5369857 Method of making a telephone headset |
| 11/30/1994 | EP0487599B1 Device forming the mouthpiece of a snorkel or a diving regulator hose |
| 11/30/1994 | CN1026846C Standing pole capacity microphone |