H04R 1 - Details of transducers

Patents for H04R 1 - Details of transducers (42,173)
12/2004
12/01/2004	CN1551602A Sound reproducing apparatus
12/01/2004	CN1551040A Coordinate input device with vibrating function
12/01/2004	CN1178550C Multifunctional acoustics device
12/01/2004	CN1178205C Noise suppressing method and device
11/2004
11/30/2004	US6826284 Method and apparatus for passive acoustic source localization for video camera steering applications
11/30/2004	CA2197661C Directional ear device with adaptive bandwidth and gain control
11/25/2004	WO2004103025A1 Loudspeaker system for virtual sound synthesis
11/25/2004	WO2004103019A2 Apparatus and method for generating acoustic energy in a receiver assembly
11/25/2004	WO2004103018A2 Apparatus and method for generating acoustic energy in a receiver assembly
11/25/2004	WO2004103017A1 Speaker
11/25/2004	WO2004103016A1 Microphone speaker body forming type of bi-directional telephone apparatus
11/25/2004	WO2004103015A1 Microphone with adjustable properties
11/25/2004	WO2004100690A2 Facemask communication system
11/25/2004	WO2004073350B1 Device for fitting a space-designing means with a loudspeaker function
11/25/2004	WO2004030407A3 Drive mechanism
11/25/2004	US20040237111 Multimedia and entertainment system for an automobile
11/25/2004	US20040234093 Sound output system
11/25/2004	US20040234086 Two-way communication device
11/25/2004	US20040231911 Outdoor loudspeaker with passive radiator
11/25/2004	US20040231139 Method and system for adjustment of components in a head stack assembly
11/25/2004	US20040231136 Magnesium diaphragm, method for manufacturing the same, and speaker using the diaphragm
11/25/2004	DE10319751A1 Headset used by person in vehicle, has adder combines air-borne noise and audio signals picked up by microphones
11/24/2004	EP1480490A1 Magnesium speaker diaphragm, method of manufacturing the same, and speaker with such a diaphragm
11/24/2004	EP1479265A1 Voice detection and discrimination apparatus and method
11/24/2004	EP1479263A1 Modular loudspeaker
11/24/2004	EP1479262A1 Flat loudspeaker for the whole acoustical frequention spectrum
11/24/2004	EP1479261A1 Headphones
11/24/2004	EP1478673A2 Soft molding compound
11/24/2004	EP1282974B1 Headset
11/24/2004	EP1258166B1 Method for fixing earphones and/or mini-microphones
11/24/2004	CN2659071Y Multifunction microphone
11/24/2004	CN2659070Y Loudspeaker box
11/24/2004	CN2659069Y Battery seat structure of radio earphone
11/24/2004	CN2659068Y Adjustable radio earphone structure
11/24/2004	CN1549652A Earphone for realizing temperaure measuring function of electronic products
11/24/2004	CN1177510C Loudspeaker system
11/24/2004	CN1177257C Audiovisual system in theatre
11/23/2004	US6823195 Ultra short range communication with sensing device and method
11/23/2004	US6822929 Micro acoustic spectrum analyzer
11/23/2004	US6820718 Acoustic reproduction device with improved directional characteristics
11/23/2004	CA2134884C Unidirectional ear microphone and method
11/18/2004	WO2004100603A1 Array speaker system
11/18/2004	US20040229658 Bluetooth headset and method for informing user of incoming call signal using the same
11/18/2004	US20040229515 Plug attaching mechanism
11/18/2004	US20040228501 Sound reproducing apparatus
11/18/2004	US20040228500 Axially-aligned coupling of suspension component to acoustical transducer frame enabling oversized diaphragm and improved packing
11/18/2004	US20040228496 Switching circuit built in IC for earphone and loudspeaker of portable information device
11/18/2004	US20040228216 Multiply resonant wideband transducer apparatus
11/18/2004	US20040228215 Sound source localization system, and sound reflecting element
11/18/2004	DE202004010902U1 Musical instrument sound sensor group comprises hearing aid attached with hook and loop type clamp tape
11/18/2004	DE10319358A1 Foil converter used in magnetostatics operates according to the magnetostatic principle
11/18/2004	DE10254404B4 Audiowiedergabesystem und Verfahren zum Wiedergeben eines Audiosignals The audio reproduction system and method for reproducing an audio signal
11/18/2004	DE10227450B4 Head-Set für eine Funktionseinrichtung, insbesondere ein Mikrofon Head set for a functional device, particularly a microphone
11/17/2004	EP1478207A2 Headphone with a movably mounted microphone arm
11/17/2004	EP1478206A2 Sound reproducing apparatus
11/17/2004	EP1477043A2 Compact surround-sound system
11/17/2004	EP0906684B1 Communications terminal having a single transducer for handset and handsfree receive functionality
11/17/2004	EP0847661B2 Acoustic device
11/17/2004	CN1547869A Loudspeaker
11/17/2004	CN1547417A A method of extending lower limit of low frequency of leading type sound box
11/17/2004	CN1175999C Display device
11/16/2004	US6819939 Cellular phone with high-quality sound reproduction capability
11/16/2004	US6819773 Loudspeaker with a three-dimensional diaphragm
11/16/2004	US6819772 Personal audio-set with pivoting ear clip mount
11/16/2004	US6819769 Electrolytic loudspeaker assembly
11/16/2004	US6819762 In-the-ear headset
11/16/2004	US6819213 Inductive device
11/16/2004	US6817440 Multi-channel headphones
11/11/2004	WO2004098234A1 Ultrasonic sensor
11/11/2004	WO2004098233A1 Microphone array having a second order directional pattern
11/11/2004	WO2004098232A1 Microphone, hearing aid with a microphone and inlet structure for a microphone
11/11/2004	WO2004098231A1 Flat type speaker unit, and electric appliance having this unit
11/11/2004	US20040223620 Loudspeaker system for virtual sound synthesis
11/11/2004	US20040222038 Speaker cabinet and speaker device
11/10/2004	EP1475993A1 Acoustic system with multiple ribbon type transducers
11/10/2004	EP1475992A2 Electroacoustical transducing
11/10/2004	EP1475990A1 Socket for a microphone connector
11/10/2004	EP1475989A1 Microphone connector
11/10/2004	EP1475988A1 Card sound device and electronic apparatus having same
11/10/2004	EP1474951A1 Acoustic transducer
11/10/2004	EP1474797A2 Surface acoustic antenna for submarines
11/10/2004	EP1127476A4 Point source speaker system
11/10/2004	CN2655576Y Phase reverse tube for loadspeaker box
11/10/2004	CN2655575Y Head microphone earpiece
11/10/2004	CN2655574Y Earphone with lighting cord
11/10/2004	CN2655573Y Micro-earphone socket
11/10/2004	CN1545821A Loudspeaker with a three-dimensional diaphragm
11/10/2004	CN1175708C Speaker device
11/10/2004	CN1175707C Loudspeaker device of displayer
11/09/2004	US6814623 Connector for speaker
11/09/2004	US6814601 Microphone connector
11/05/2004	CA2427892A1 Weatherproof retractable multi-media entertainment center
11/04/2004	WO2004095879A2 Flat panel loudspeaker surface array
11/04/2004	WO2004095877A2 Fastener and nut with axially interrupted threads
11/04/2004	WO2004095741A1 Device for transmitting and receiving sound waves
11/04/2004	US20040220800 Microphone array method and system, and speech recognition method and system using the same
11/04/2004	US20040218779 Loudspeaker
11/04/2004	US20040218777 In-wall speaker system method and apparatus
11/04/2004	US20040218774 System and method to enhance reproduction of sub-bass frequencies
11/04/2004	US20040218773 Loudspeaker array

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