| Patents for H04R 27 - Public address systems (2,454) |
|---|
| 05/29/2003 | US20030098805 Input level adjust system and method |
| 05/28/2003 | CN2553579Y Frequency shift megaphone |
| 05/20/2003 | CA2266362C Vehicular loudspeaker system |
| 05/15/2003 | WO2003040118A1 Novel 1,2,4-thiadiazolium derivatives as melanocortin receptor modulators |
| 05/15/2003 | US20030091199 Sound masking system |
| 05/15/2003 | CA2466145A1 Novel 1,2,4-thiadiazolium derivatives as melanocortin receptor modulators |
| 05/08/2003 | US20030086574 Drive-in movie theater |
| 05/07/2003 | CN1416298A Acoustic system capable of describing and modifying parameters of loudspeaker |
| 05/06/2003 | US6557664 Loudspeaker |
| 05/01/2003 | WO2003037035A1 Sound masking system |
| 05/01/2003 | US20030081796 Audio routing for an automobile |
| 05/01/2003 | US20030081115 Spatial sound conference system and apparatus |
| 04/29/2003 | CA2410175A1 Audio routing for an automobile |
| 04/24/2003 | US20030076964 Adjustable speaker box for the sports bar of a vehicle |
| 04/03/2003 | US20030063755 System for controlling remote speakers using centralized amplifiers, centralized monitoring and master/slave communication protocol |
| 04/03/2003 | US20030063754 Method and apparatus for a portable public address system |
| 03/27/2003 | US20030059061 Audio input unit, audio input method and audio input and output unit |
| 03/26/2003 | CN1406066A Audio-frequency input device, input method thereof, and audio-frequency input-output device |
| 03/20/2003 | US20030055635 Segmented mapping converter system and method |
| 03/06/2003 | US20030044037 Free hearing-aid providing multi-shape and multi-function |
| 02/27/2003 | US20030040910 Speech distribution system |
| 02/20/2003 | US20030035553 Backwards-compatible perceptual coding of spatial cues |
| 02/20/2003 | US20030035549 Signal processing system and method |
| 02/19/2003 | EP1284060A2 Method and means for receiving a digital transmission comprising a plurality of digital audio signals and for simultaneous reproduction of these digital signals as analog audio programmes |
| 02/19/2003 | CN1398141A Sound generator for throat cancer patient |
| 02/18/2003 | US6522761 Directionally sensitive pointing microphone |
| 02/18/2003 | US6522754 Digital vehicle microphone system and method |
| 02/13/2003 | WO2003013041A2 Device and method for transmitting, receiving and processing audio control signals in information systems |
| 02/13/2003 | US20030031334 Sonic landscape system |
| 02/06/2003 | WO2003010996A2 Sound reinforcement system having an echo suppressor and loudspeaker beamformer |
| 02/06/2003 | WO2003010995A2 Sound reinforcement system having an multi microphone echo suppressor as post processor |
| 02/06/2003 | US20030026437 Sound reinforcement system having an multi microphone echo suppressor as post processor |
| 02/05/2003 | CN1395787A Portable telephone attachment for person hard of hearing |
| 02/04/2003 | US6516072 Loudspeaker |
| 01/29/2003 | EP1280377A1 Speaker configuration and signal processor for stereo sound reproduction for vehicle and vehicle having the same |
| 01/29/2003 | EP0879502B1 A method for implementing a sound reproduction system for a large space, and a sound reproduction system |
| 01/22/2003 | EP1278398A2 Distributed audio network using networked computing devices |
| 01/16/2003 | US20030014486 Distributed audio network using networked computing devices |
| 01/15/2003 | CN2531596Y Portable public address set for teaching |
| 01/09/2003 | WO2003003788A2 Supplemental audio content system with wireless communication for a cinema and related methods |
| 01/09/2003 | WO2002071799A3 A communications system |
| 01/09/2003 | CA2452292A1 Supplemental audio content system with wireless communication for a cinema and related methods |
| 01/07/2003 | US6504936 Amplifier signal distribution module |
| 01/03/2003 | WO2003001763A1 Transmitting device and method |
| 01/02/2003 | US20030002689 Supplemental audio content system with wireless communication for a cinema and related methods |
| 01/02/2003 | EP1271876A1 Transmitting device and method of enhanced rendering |
| 01/02/2003 | EP1269306A1 Spatialized audio system for use in a geographical environment |
| 01/02/2003 | EP0740894B1 Infrared communication system |
| 01/01/2003 | CN1389055A Localised audio data delivery |
| 12/25/2002 | CN1387389A Method for enjoying music by tactile sense |
| 12/18/2002 | EP1266469A1 Use of voice-to-remaining audio (vra) in consumer applications |
| 11/28/2002 | US20020176444 Transmitting apparatus, transmitting method, receiving apparatus, receiving method, and transmitting and receiving system |
| 11/21/2002 | WO2002093976A1 Sound-to-vibration conversion apparatus |
| 11/21/2002 | WO2002093975A1 Elecro-mechanical transducer |
| 11/21/2002 | WO2002093974A1 Sound-to-vibration conversion apparatus |
| 11/21/2002 | US20020172378 Softclip method and apparatus |
| 11/21/2002 | US20020172376 Output processing system and method |
| 11/21/2002 | US20020172374 Noise extractor system and method |
| 11/21/2002 | DE10124337A1 Conference system, especially for events involving active public participation, has access to mobile network via adapter unit; mobile telephone is used to communicate with conference system |
| 11/20/2002 | EP1258168A1 Method and device for comparing signals to control transducers and transducer control system |
| 11/06/2002 | EP1254513A2 Signal processing system and method |
| 10/24/2002 | WO2002082985A1 Personalized information distribution system |
| 10/17/2002 | WO2002082860A2 Method and system for selectively broadcasting data in a space, and equipment used in said system |
| 10/09/2002 | EP1247428A2 Speech distribution system |
| 10/03/2002 | WO2001091314A3 Method and means for receiving a digital transmission comprising a plurality of digital audio signals and for simultaneous reproduction of these signals as analog audio programmes |
| 09/26/2002 | WO2002076149A1 Method and device for operating a sound system |
| 09/26/2002 | DE10113088A1 Operating sound system involves digitizing analog signals, transmitting via digital network to loudspeakers, evaluating, converting back into analog form and outputting by loudspeakers |
| 09/25/2002 | EP1244278A1 Portable telephone attachment for person hard of hearing |
| 09/18/2002 | EP1241888A2 Apparatus, method and system for transmitting and receiving |
| 09/12/2002 | WO2002071799A2 A communications system |
| 09/12/2002 | US20020126854 Parametric ring emitter |
| 09/11/2002 | EP1238566A2 Method and device for improving communication in a vehicle |
| 09/11/2002 | EP1238498A2 Localised audio data delivery |
| 09/06/2002 | CA2681915A1 Networked sound masking and paging system |
| 09/05/2002 | US20020124097 Methods, systems and computer program products for zone based distribution of audio signals |
| 09/03/2002 | US6445369 Light emitting diode dot matrix display system with audio output |
| 08/27/2002 | US6442280 Apparatus detecting howling by decay profile of impulse response in sound system |
| 08/08/2002 | US20020106089 Audio trigger devices |
| 08/01/2002 | US20020103619 Statistics generator system and method |
| 07/04/2002 | US20020085725 System output control method and apparatus |
| 07/04/2002 | DE10061198A1 Sound radiation system converts voice control point audio signals according to Voice-over-Voice Internet protocol and transmits them to the server over data network |
| 06/13/2002 | US20020071572 Process for the configuration of a public address system and a configurable public address system |
| 05/30/2002 | WO2002043358A1 Portable telephone attachment for person hard of hearing |
| 05/29/2002 | DE10052896A1 Verfahren zum Konfigurieren einer Beschallungsanlage und konfigurierbare Beschallungsanlage A method for configuring a sound system and configurable sound system |
| 05/23/2002 | US20020062335 Broadcast communication system and method thereof in a point-to-multipoint communication system |
| 05/21/2002 | CA2176355C Voice transmission adaptor assembly |
| 05/10/2002 | WO2002001812A3 Localised audio data delivery |
| 05/09/2002 | US20020055340 Automatic program arrangement apparatus and method |
| 05/08/2002 | CN2490782Y Infrared radio public address set for giving lessons |
| 05/07/2002 | US6385322 Method and device for operation of a public address (acoustic irradiation) system |
| 05/02/2002 | US20020051546 Variable attack & release system and method |
| 05/02/2002 | EP1202605A2 Method for configuring a public address system and configurable public address system |
| 04/17/2002 | EP1196907A1 Audio signal sound diffusion system |
| 04/16/2002 | US6373955 Loudspeakers |
| 04/03/2002 | EP1193999A1 Loudspeaker |
| 03/21/2002 | WO2001063757A3 Portable equalizer with frequencies adjustable according to the user's hearing capacity |
| 03/19/2002 | US6359990 Parametric ring emitter |
| 03/13/2002 | CN2482282Y Public address system panel of wire broadcasting |
| 03/12/2002 | US6356641 Vehicular loudspeaker system |
| 03/07/2002 | US20020029132 Background noise eliminating apparatus and method, and storage medium storing program realizing such method |