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Class 381/91 - Having microphone


Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter where the specific container holds a microphone.
No. of patents: 134
Last issue date: 05/22/2012


1        
NumberTitleIssue Date
8184827Sound source position detector
Provided is a sound source localization device which can detect a source location of an extraction sound, including at least two microphones; an analysis unit (103) which (i) analyze frequencies of the mixed sound including the noise and received by each micr...
05/22/2012
8139785Sound reinforcement method and apparatus for musical instruments
A method and apparatus for sound reinforcement for musical instruments. The method and apparatus re-direct sound waves via an open-sided chamber against a curved wall panel in such a way that the sound from a musical amplifier is reflected or altered in its course f...
03/20/2012
7583808Locating and tracking acoustic sources with microphone arrays
A method constructs a location model for locating and tracking sources of acoustic signals. Acoustic training signals are acquired from an acoustic training source at an unknown location in an environment with an array of microphones placed at unknown positions in t...
09/01/2009
7526094Normalization and calibration of microphones in sound-intensity probes
A system for normalizing and calibrating the microphones of a sound-intensity probe or a composite of such probes, with respect to a stable comparison microphone with known acoustical characteristics. Normalizing and calibrating are performed using an apparatus 5...
04/28/2009
7443988Vehicle accessory microphone
A microphone includes one or more transducers positioned in a housing. Circuitry is coupled to the transducer for outputting an electrical signal such that the microphone has a main lobe directed forwardly and attenuates signals originating from the sides. The micro...
10/28/2008
7430300Sound production systems and methods for providing sound inside a headgear unit
Methods for generating a directional sound environment include providing a headgear unit having a plurality of microphones thereon. A sound signal is detected from the plurality of microphones. A transfer function is applied to the sound signal to provide a transfor...
09/30/2008
7424119Voice matching system for audio transducers
A method and apparatus are provided for matching an output of an auxiliary signal transducer with a reference signal transducer where the auxiliary signal transducer and reference signal transducer receive audio signals from a common signal source along different re...
09/09/2008
7400736Method for extending the frequency range of a beamformer without spatial aliasing
A conferencing unit, comprising an array of microphones embedded in a diffracting object configured to provide a desired high frequency directivity response at predetermined microphone positions, and a low frequency beamformer operable to achieve a desired low frequ...
07/15/2008
7366310Microphone array diffracting structure
The present invention increases the aperture size of a microphone array by introducing a diffracting structure into the interior of a microphone array. The diffracting structure within the array modifies both the amplitude and phase of the acoustic signal reaching t...
04/29/2008
7366308Sound pickup device, specially for a voice station
The invention relates to a sound recording device for a public address system. Sound is emitted from a sound source, picked up by at least two sound sensors and converted into electrical signals. The sound sensors are located at a distance from a reference position ...
04/29/2008
7359525Multi-function microphone boom with on-line indicator
A headset microphone boom that includes a hollow tubular member with a reflective interior surface. A light disperser is coupled to the hollow tubular member at one end and a light emitting device is coupled to the hollow tubular member at the other end. Light is tr...
04/15/2008
7353041Mobile wireless communications device having improved RF immunity of audio transducers to electromagnetic interference (EMI)
A mobile wireless communications device includes a housing and circuit board carried by the housing and having radio frequency (RF) circuitry and a processor operative with each other. Audio circuitry is carried by the circuit board and an audio transducer assembly,...
04/01/2008
7327832Adjunct processing of multi-media functions in a messaging system
A system and methods to allow messaging systems to efficiently perform multi-media processing functions are provided. An exemplary messaging system comprises a host computer interconnected to a network interface unit (NIU), that is, itself, interconnected to externa...
02/05/2008
7327852Method and device for separating acoustic signals
In a method of separating acoustic signals from a plurality of sound sources comprising the following steps: disposing two microphones (MIK1, MIK2) at a predefined distance (d) from one another; picking up the acoustic signals with both microphones (MI...
02/05/2008
7328047Mobile wireless communications device with reduced interfering energy from the display and related methods
A mobile wireless communications device includes a housing and circuit board carried by the housing and includes radio frequency (RF) circuitry and a processor carried by the circuit board and operative with each other. A display connector for an LCD connector is mo...
02/05/2008
7321785Eyeglasses with wireless audio capability
A cellular telephone is used as a remote control device to control operations on the users nonportable computer which is remote location to the cellular telephone. The user can carry out various operations on the cellular telephone which cause the remote computer to...
01/22/2008
7317804Sound collecting device minimizing electrical noise
A sound collecting device is provided which is designed to minimize adverse effects on an output caused by exposure of an electroacoustic transducer to the air. The device includes an electroacoustic transducer and a vibrating circuit. The transducer is exposed to t...
01/08/2008
7313243Sound pickup method and system with sound source tracking
A sound pickup system includes a sound source tracking device that is operable to obtain distance and direction values of a target sound source relative to the sound source tracking device, and that determines nearest and farthest ones of a plurality of microphones ...
12/25/2007
7295676Hearing aid and method of adapting a hearing aid
With the adaptation of a hearing aid to a multitude of acoustic sources, head movements can be taken into consideration more rapidly. To this end, a position determining device (PB) for determining the current position of the head of the hearing aid wearer is provid...
11/13/2007
7269263Method of broadband constant directivity beamforming for non linear and non axi-symmetric sensor arrays embedded in an obstacle
A method is provided for designing a broad band constant directivity beamformer for a non-linear and non-axi-symmetric sensor array embedded in an obstacle having an odd shape, where the shape is imposed by industrial design constraints. In particular, the method of...
09/11/2007
7219763Microphone assembly fitted to vehicle-mounted control module panel, that fits well
A microphone assembly fitted to a panel of a vehicle-mounted control module, provided with a housing for housing a microphone and having an opening section on a surface facing the panel, and a holding case for holding the housing so as to be capable of pivoting, and...
05/22/2007
7203330Switching unit for a microphone
A switching unit for a microphone includes a slider-mounting member, a slider mounted slidably on the slider-mounting member and having an operating element, and a slider-positioning mechanism mounted on the slider-mounting member and defining an elongated slot for ...
04/10/2007
7190802Microphone enclosure for reducing acoustical interference
A microphone enclosure for reducing the intensity of sound waves that reach a microphone is presented. The enclosure may be a solid mass with a cavity, designed so that most of the microphone is surrounded by the solid mass when the microphone is inserted into the c...
03/13/2007
7171008Reducing noise in audio systems
Two or more microphones receive acoustic signals and generate audio signals that are processed to determine what portion of the audio signals result from (i) incoherence between the audio signals and/or (ii) audio-signal sources having propagation speeds different f...
01/30/2007
7162041Noise canceling microphone with acoustically tuned ports
Certain embodiments of a noise canceling microphone with acoustically tuned ports are disclosed herein. In one aspect of the invention, the noise canceling microphone may comprise a housing, a transducer for converting received energy received into electrical signal...
01/09/2007
7158645Orthogonal circular microphone array system and method for detecting three-dimensional direction of sound source using the same
Provided are an orthogonal circular microphone array system for detecting a three-dimensional direction of a sound source, the system comprising a directional microphone which receives a speech signal from the sound source, a first microphone array in which a predet...
01/02/2007
7138576Sound system and method for creating a sound event based on a modeled sound field
A sound system and method for modeling a sound field generated by a sound source and creating a sound event based on the modeled sound field is disclosed. The system and method captures a sound field over an enclosing surface, models the sound field and enables repr...
11/21/2006
7136671Speaker module connectable to an earphone jack of mobile phone and method for using same
The present invention provides a speaker module connectable to an earphone jack of a mobile phone and a method for using same. The speaker module comprises a microphone which converts voice signals into electrical signals, a speaker which converts electrical signals...
11/14/2006
7134442Umbrella
An umbrella assembly is provided that comprises a canopy frame, a support pole, an extension mechanism, and a canopy deployment mechanism. The support pole has a first member that has a first end and a second end and a second member. The second member is coupled wit...
11/14/2006
7130431Vehicle accessory microphone
A microphone assembly includes one or more transducers positioned in a housing. Circuitry is coupled to the transducer for outputting an electrical signal such that the microphone has a main lobe directed forwardly and attenuates signals originating from the sides a...
10/31/2006
7119832Wireless microphone for use with an in-car video system
An in-car video system and method is provided where a wireless microphone is configured with bi-directional communications capability. In response to a received RF activation signal, the wireless microphone is automatically switched on to capture (and transmit back ...
10/10/2006
7103318Microphone accessory
An accessory for use with a microphone has an electronic screen by means of which communications such as advertisements, messages, logos, the name of a TV station and the like may be displayed. The accessory may be attachable to the microphone itself, or to a boom, ...
09/05/2006
7088832IFB system apparatus and method
The present invention provides a cancellation signal which may be combined with a radio or television program signal to provide a mix minus signal for use in IFB communication with the talent. A cancellation signal circuit is responsive to a talent signal to delay a...
08/08/2006
7085390Method for controlling multi-mode audio gain balance
A method for controlling audio gain balance in a multi-mode communications device (200) includes providing (201) microphone audio input to the multimode communications device. The audio is supplied to an amplifier gain stage while a dynamic instantaneo...
08/01/2006
7076069Method of generating an electrical output signal and acoustical/electrical conversion system
At a beamformer with at least two acoustical/electrical converters (M1, M2) the outputs (A1, A2) thereof are operationally connected to a beamformer unit (12). There signals dependent on signals (S1, S
07/11/2006
7068801Microphone array diffracting structure
The present invention increases the aperture size of a microphone array by introducing a diffracting structure into the interior of a microphone array. The diffracting structure within the array modifies both the amplitude and phase of the acoustic signal reaching t...
06/27/2006
7035416Microphone array apparatus
A microphone array apparatus includes a microphone array including microphones, one of the microphones being a reference microphone, filters receiving output signals of the microphones, and a filter coefficient calculator which receives the output signals of the mic...
04/25/2006
7027804Communications terminal
A communications terminal comprising means operable, in the absence of significant input to the terminal, to automatically terminate a call. ...
04/11/2006
7023333Automatic activation of an in-car video recorder using a vehicle speed sensor signal
An in-car video system and method are provided where a vehicle speed derived from a vehicle speed sensor (“VSS”) signal is compared against a user-settable threshold value. If the vehicle speed exceeds the threshold value, an alarm is generated. The alarm is use...
04/04/2006
6980661Method of and apparatus for producing apparent multidimensional sound
The production of multidirectional or instantaneous live virtual surround sound broadcasting is obtained by positioning a plurality of microphones on an oval frame in a predetermined pattern and with a predetermined orientation, connecting the microphones to a virtu...
12/27/2005
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