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| Number | Title | Issue Date |
| 6529838 | Method of and apparatus for predicting vehicle interior noise A jig is successively mounted on each of the four wheels of a vehicle. The jig is struck in three orthogonal directions independently, and at the same time, a microphone inside the vehicle measures the sound pressure of noise generated due to the exciting... | 03/04/2003 |
| 6529608 | Speech recognition system A speech recognition system 7 for an automotive vehicle 10 is provided including a microphone receiver 12 for receiving a voice audio signal and converting the same to an analog signal 13, a microphone aimer for giving the microphone receiver 12 a locatio... | 03/04/2003 |
| 6522754 | Digital vehicle microphone system and method According to the present disclosure, a digital vehicle microphone system for recording and playback of announcements pertaining to vehicle stops and route information is provided for use over public address systems installed on public transportation vehic... | 02/18/2003 |
| 6522755 | Vehicular loudspeaker system At improved loudspeaker system for a passenger vehicle such as an automobile is disclosed. The system comprises a transducer capable of being excited by applied electric potential and electronic means that is electrically connected to the transducer to ap... | 02/18/2003 |
| 6501843 | Automotive audio reproducing apparatus An automotive audio reproducing apparatus according to the present invention comprises: a sound image position correction circuit 52 for converting a left-channel input digital audio signal XL(Z) and a right-channel input digital audio signal XR(Z) into a... | 12/31/2002 |
| 6498856 | Vehicle-carried sound reproduction apparatus A vehicle-carried sound reproduction system which reproduces a sound image forwardly of a passenger of a vehicle in which it is incorporated. The vehicle-carried sound reproduction apparatus includes a correction filter circuit for converting input digita... | 12/24/2002 |
| 6480609 | Apparatus for suppressing structure borne noises Body or structural noise transmitted through a connector such as a strut, that connects a noise source, such as an engine, to an enclosure, such as a passenger cabin or cell of a helicopter, is suppressed by at least one piezoactuator which is excited to ... | 11/12/2002 |
| 6477255 | Audio system A rear speaker and a front speaker are provided in a room. A microphone is disposed at a listening position between the front and rear speakers for picking up a first sound from the front speakers and a second sound from the rear speaker. Time lags of the... | 11/05/2002 |
| 6473509 | Audio system, in particular for motor vehicles An audio system, in particular for motor vehicles, having a loudspeaker installation for supplying sound to an audio chamber and a control unit with a signal detection unit for receiving microphone signals from at least one microphone exposed to the audio... | 10/29/2002 |
| 6466136 | Mirror-based audio system for a vehicle A mirror-based audio system for a vehicle comprises an interior rearview mirror system including a plurality of microphones for receiving audio signals within a cabin of the vehicle. The plurality of microphones comprise at least two microphones which gen... | 10/15/2002 |
| 6446001 | Navigation apparatus for navigating a vehicle based on symbolic sounds A navigation apparatus includes a command input block from which the user inputs a command signal, a current positional data supply unit, a data reading unit for reading from a CD-ROM map data, voice guidance data, object data about an object displayed on... | 09/03/2002 |
| 6433676 | Mirror-based audio system for a vehicle A mirror-based audio system for a vehicle preferably includes an electrochromic interior rearview mirror system including an electrochromic interior rearview mirror assembly. The electrochromic interior rearview mirror assembly includes electronic circuit... | 08/13/2002 |
| 6420975 | Interior rearview mirror sound processing system A digital sound processor is provided to enhance the vocal to non-vocal noise ratio of the signal processed by a vehicle audio system such as a cellular telephone, emergency communication device, or other audio device. Optionally, an indicator is provided... | 07/16/2002 |
| 6407750 | Broadcast and recorded music management system particularly for use in automobile An audio system for managing broadcast and recording music and other audio works includes two principal components, an entertainment programming guide unit and a media manager unit. The programming guide unit, which preferably includes a graphical user in... | 06/18/2002 |
| 6407733 | In-car switch controller There is described an in-car switch controller which enables a driver to control electronic devices provided in a car. The controller includes a switch panel which can be placed in the vicinity of a driver's seat such that the driver can readily actuate t... | 06/18/2002 |
| 6389147 | Audio system for multipurpose automotive vehicles having a rear opening panel An audio system for projecting sound toward a rear opening of an automotive vehicle is disclosed. Each side of the vehicle includes a speaker assembly mounted to a side interior wall between a side door and the rear opening of the vehicle. The assemblies ... | 05/14/2002 |
| 6377694 | Flush mountable automobile audio amplifier A automobile audio amplifier (10) for having an upper body portion (12) and a lower body portion (14), the upper body portion (12) being larger so as to form a mounting rim (16) for affixing the automobile audio amplifier (10) in a mounting hole (18) of a... | 04/23/2002 |
| 6367202 | Door module having an enclosure and speakers for an automotive vehicle A door module for instillation into a door of an automotive vehicle, one embodiment of which comprises: a generally rigid hollow interior enclosure having an interior chamber opposed generally vertical inboard and outboard walls, opposed generally vertica... | 04/09/2002 |
| 6363156 | Integrated communication system for a vehicle An audio communication system for use in the passenger compartment of a vehicle providing full duplex communication through a plurality of speakers and microphones while substantially eliminating unwanted external interference and feedback. A digital sign... | 03/26/2002 |
| 6360187 | Ambient adjusted volume control for in-vehicles messages The reproduction sound level of high priority messages such as navigation instructions, parking aid signals, and back-up warning signals is controlled based on the average ambient sound level in a vehicle. A sound level calibration table provides priority... | 03/19/2002 |
| 6356641 | Vehicular loudspeaker system An improved loudspeaker system for a passenger vehicle such as an automobile is disclosed. The system comprises a transducer capable of being excited by applied electric potential and electronic means that is electrically connected to the transducer to ap... | 03/12/2002 |
| 6356645 | Electroacoustic transducer for a headrest loudspeaker An electroacoustic transducer unit for a handsfree device in a vehicle includes a loudspeaker, a microphone and a connection to a mobile phone. The microphone can be mounted on a flexible bracket. The unit is constructed for positioning in the upper seatb... | 03/12/2002 |
| 6349142 | Structure of speaker use on ship A structure of speaker for ship having a base seat, a vibration board connected to a vibration shaft, and a coil seat containing a coil, characterized in that a coil housing enclosing an iron block therein, being made from iron is mounted in between the b... | 02/19/2002 |
| 6345102 | Vehicle loudspeakers A loudspeaker, for example, for an in-vehicle hands-free commnunication system or an in-vehicle entertainment system is provided as part of a vehicle sun visor (10), or as an attachment (24) to a vehicle sun visor so that the loudspeaker can be placed rel... | 02/05/2002 |
| 6345174 | Display apparatus for a vehicle audio system A display panel includes a plurality of alphanumeric segment display elements. A display control circuit controls a plurality of the alphanumeric segment display elements in accordance with either of frequency data or equalizing characteristic data suppli... | 02/05/2002 |
| 6345103 | Visor mounting of microphone for vehicle operator A structural means is provided that positions an operator's voice communication microphone in a vehicle in the vicinity of the visor without interfering with the movement and functions of the visor. The positioning being achieved by attaching a portion of... | 02/05/2002 |
| 6330337 | Automotive entertainment system for rear seat passengers An automotive multimedia entertainment system includes an integrated rear seat entertainment module in which audio signals coordinated with video entertainment devices in the rear seat can be reproduced using the vehicle's audio system. Multiplex control ... | 12/11/2001 |
| 6324451 | Detection of the presence of a convertible top using compass electronics A convertible top position sensing system uses rear view mirror mounted compass electronics to detect the position of a convertible top. The sensing system includes a measurement device for measuring a magnetic field intensity, and a filtering module for ... | 11/27/2001 |
| 6320967 | Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements A vehicle having a passenger compartment (102) characterised by a loudspeaker (81) in the passenger compartment comprising a distributed mode acoustic radiator (2) and a transducer (9) mounted wholly and exclusively on the radiator to vibrate the radiator... | 11/20/2001 |
| 6310958 | Sound-producing arrangement for a motor vehicle A sound producing arrangement in an automobile has at least one bass speaker and one hollow acoustic conductor coupled to the bass speaker. The bass speaker is located in the wet area of the automobile. The acoustic conductor is mounted in a gas-tight man... | 10/30/2001 |
| 6295364 | Simplified communication system A digital voice enhancement communication system, including a simplex system, has first and second acoustic zones, and respective microphones and loudspeakers. A voice sensitive gated switch has a first mode supplying the output of a first microphone in t... | 09/25/2001 |
| 6278751 | Receiver for digital voice broadcasting A digital audio receiver provides an audio signal line of the receiver with a DRS circuit for compressing a dynamic range of audio signals passing through the audio signal line; and the DRS circuit, provides a control section for controlling gains for sai... | 08/21/2001 |
| 6278377 | Indicator for vehicle accessory An indicator for use with a microphone of a vehicular audio system, such as a cellular telephone, emergency communication device, or other audio device, provides a user of the audio system with a status signal relating to a reception quality of a vocal si... | 08/21/2001 |
| 6275590 | Engine noise simulating novelty device An engine noise simulating novelty device is provided including a speaker for audibly transmitting audio signals upon the receipt thereof. Further included is a sound module connected to the speaker and a tachometer of a vehicle. The sound module is adapt... | 08/14/2001 |
| 6256397 | Body-sensible swinging and vibrating apparatus A body-sensible swinging and vibrating apparatus is provided for enhancing the feeling of presence while a user is listening to the music or is using the playing unit. In the body-sensible swinging and vibrating apparatus, an arm is hung at the central lo... | 07/03/2001 |
| 6243003 | Accessory module for vehicle An accessory module for use with a vehicular cellular telephone, emergency communication device, or other audio device, may be mounted to an interior surface of a vehicle windshield. The accessory module houses a microphone and may be positioned adjacent ... | 06/05/2001 |
| 6212555 | Audio transfer, storage and playback system A system for providing recorded audio programming in digital form, comprising a computer server capable of digitally recording, holding and uploading audio programming in either musical or voice formats and able to transmit such modulated digital data in ... | 04/03/2001 |
| 6181797 | Piezo speaker for improved passenger cabin audio systems This invention outlines several applications of piezoelectric vibrators to produce quality flat panel speakers in passenger cabin applications. A system consisting of an audio amplifier and transformer is used to drive the piezo speaker. The electronics a... | 01/30/2001 |
| 6160496 | Remote channel swap for aviation communications A device and method that allows a pilot to switch between communication and navigation inputs without disrupting the pilot's current task. An audio selector panel has inputs for at least two communication transceivers and outputs for at least a pilot's he... | 12/12/2000 |
| 6157725 | Sound system for a motor vehicle and method for defining a functional scope of a sound system A sound system for a motor vehicle and a method for defining a functional scope of a sound system include a control unit, an input unit for operating the system, a display unit, a unit for generating source data in the form of audio data, an amplifier uni... | 12/05/2000 |
