Patent application number | Description | Published |
20090136059 | MICROPHONE SYSTEM, SOUND INPUT APPARATUS AND METHOD FOR MANUFACTURING THE SAME - A microphone system, includes: a housing, adapted to be placed in a reference position relative to a sound source; a first microphone, configured to receive sound from the sound source at a first position within the housing; a second microphone, configured to receive sound from the sound source at a second position within the housing; and a differential signal generator, wherein: the first and second positions are arranged on a first line; and the first line perpendicularly intersects a second line that is extended from the sound source at a third position which is not between the first and second positions, and obliquely intersects a third line that is extended from the sound source at a fourth position which is between the first and second positions, when the housing is placed at the reference position. | 05-28-2009 |
20090147968 | SOUND INPUT DEVICE - A sound input device includes a differential microphone, configured to receive sound including noise, and generate a first signal in accordance with the sound; a detector, configured to detect the noise, and generate a second signal in accordance with the detected noise; and a controller, configured to control at least one of suppression of high-frequency components of the first signal and changing of a frequency band to be suppressed of the first signal based on the second signal. | 06-11-2009 |
20090161886 | MICROPHONE UNIT AND SOUND INPUT APPARATUS - A microphone unit includes: a partition member, including a vibration film configured to be vibrated by sound; a housing, defining an inner space, and formed with a first opening and a second opening, the inner space being divided into a first space and a second space by the partition member, the first space adapted to be communicated with an outer space via the first opening, and the second space adapted to be communicated with the outer space via the second opening; and a shutter, configured to close one of the first and second openings; and an amplifier, configured to: amplify an electric signal at a first gain when the shutter closes the one of the first and second openings; and amplify the electric signal at a second gain that is larger than the first gain when first and second openings are opened. | 06-25-2009 |
20090274324 | MICROPHONE UNIT AND METHOD OF MANUFACTURING THE SAME - A microphone unit includes a substrate. The substrate includes a first face formed with a first recess, a second face opposite to the first face, and a through hole communicating the second face to a bottom part of the first recess. A diaphragm unit includes a diaphragm, and at least a part of which is disposed in the first recess so that the diaphragm opposes the through hole. | 11-05-2009 |
20090290740 | MICROPHONE UNIT AND METHOD OF MANUFACTURING THE SAME - A microphone unit includes a microphone substrate. A plurality of diaphragm units are disposed on the microphone substrate. Each of the diaphragm units includes a diaphragm. A plurality of partition walls are disposed on the microphone substrate. Each of the partition walls surrounds the diaphragm so as to define a first area. A signal processor is disposed at a second area outside the first area and is configured to process signals output from the diaphragm units. | 11-26-2009 |
20090296972 | VOICE SOUND INPUT APPARATUS AND VOICE SOUND CONFERENCE SYSTEM - A voice sound input apparatus, adapted to be inputted a sound and output sound data, includes: a first microphone, related to a first sound hole; a second microphone, related to a second sound hole; a signal processing unit, configured to perform a signal processing; and a wireless transmission unit, configured to transmit the sound data based on an output signal of the signal processing unit, wherein a distance between the first sound hole and the second sound hole is a distance that a phase component of a sound strength ratio is lower than or equal to 0 dB, the sound strength ratio being a ratio between a strength of a sound component contained in differential sound pressure of sounds entered to the first sound hole and the second sound hole and a strength of sound pressure of the sound entered to the first sound hole. | 12-03-2009 |
20090310811 | VOICE SOUND INPUT APPARATUS - A voice sound input apparatus, adapted to be inputted a sound and configured to output sound data, includes: a display unit; a first microphone, related to a first sound hole; a second microphone, related to a second sound hole; a signal processing unit; and a microphone holding unit, formed with the first sound hole, and adapted to extend toward a sound source predicted position; wherein a distance between the first sound hole and the second sound hole is a distance that a phase component of a sound strength ratio is lower than or equal to 0 dB, the sound strength ratio being a ratio between a strength of a sound component contained in differential sound pressure of sounds entered to the first sound hole and the second sound hole and a strength of sound pressure of the sound entered to the first sound hole. | 12-17-2009 |
20100142742 | MICROPHONE UNIT - A microphone unit includes: a housing; a diaphragm which is disposed in the inside of the housing; and an electric circuit portion which processes an electric signal that is generated based on a vibration of the diaphragm. In the housing, a first sound guide space which guides a sound outside the housing to a first surface of the diaphragm via a first sound hole and a second sound guide space which guides a sound outside the housing to a second surface, that is, an opposite surface of the diaphragm via a second sound hole are formed. The electric circuit portion is disposed in either one of the first sound guide space and the second sound guide space; and an acoustic resistance portion which adjusts at least one of a frequency characteristic of the first sound guide space and a frequency characteristic of the second sound guide space is formed. | 06-10-2010 |
20100142743 | VOICE INPUT APPARATUS - A microphone unit is disposed in the inside of a first housing of a voice input apparatus. The microphone unit includes: a second housing; a diaphragm which is disposed in the inside of the second housing; and an electric circuit portion which processes an electric signal that is generated based on a vibration of the diaphragm. In the voice input apparatus, a first sound guide space which guides a sound outside the first housing to a first surface of the diaphragm and a second sound guide space which guides a sound outside the first housing to a second surface of the diaphragm are formed. The electric circuit portion is disposed in either one of the first sound guide space and the second sound guide space; and an acoustic resistance portion which adjusts at least one of a frequency characteristic of the first sound guide space and a frequency characteristic of the second sound guide space is formed. | 06-10-2010 |
20100202649 | Microphone Unit - A microphone unit is provided with an electroacoustic conversion portion that includes a diaphragm vibrated by sound pressure and that converts the sound pressure into electrical signals and a board on which the electroacoustic conversion portion is mounted. In the board, there are provided a board opening portion that is formed to face the diaphragm and locating walls that come in contact with the electroacoustic conversion portion to locate the electroacoustic conversion portion. | 08-12-2010 |
20100260346 | Voice Input Device, Method of Producing the Same, and Information Processing System - A voice input device includes a first microphone ( | 10-14-2010 |
20100266146 | Integrated Circuit Device, Voice Input Device and Information Processing System - An integrated circuit device includes a circuit board ( | 10-21-2010 |
20100280825 | Voice Input Device, Method of Producing the Same, and Information Processing System - A voice input device includes a first microphone ( | 11-04-2010 |
20110158449 | Microphone Unit - A microphone unit ( | 06-30-2011 |
20110158450 | MICROPHONE UNIT - To provide a downsized microphone unit in which a differential microphone is densely mounted thereon. | 06-30-2011 |
20110158453 | MICROPHONE UNIT - The microphone unit of the present invention comprises an electro-acoustic converter for converting an acoustic signal to an electric signal, the converter having a diaphragm displaced by acoustic pressure; and a housing provided with an accommodation space for accommodating the electro-acoustic converter, and with an acoustic path for guiding outside sound from an acoustic hole to the diaphragm. An external-connection electrode having the same function is formed on a first external surface belonging to the housing and having the acoustic hole, and on a second external surface on the side opposite the first external surface of the housing. | 06-30-2011 |
20110158454 | VOICE INPUT DEVICE, METHOD FOR MANUFACTURING THE SAME, AND INFORMATION PROCESSING SYSTEM - A voice input device, a method for manufacturing the same, and an information processing system are provided. The voice input device has a function of removing a noise component and includes a first microphone | 06-30-2011 |
20110164760 | SOUND SOURCE TRACKING DEVICE - The sound source tracking device of the present invention comprises a plurality of differential microphones having bidirectionality, and a support member adapted to support the plurality of differential microphones such that the plurality of differential microphones are disposed in an array within a given plane. The plurality of differential microphones are supported on the support member such that their principal axes of directionality are approximately orthogonal to the given plane. | 07-07-2011 |
20110170726 | MICROPHONE UNIT, CLOSE-TALKING TYPE SPEECH INPUT DEVICE, INFORMATION PROCESSING SYSTEM, AND METHOD FOR MANUFACTURING MICROPHONE UNIT - A microphone unit | 07-14-2011 |
20110176690 | INTEGRATED CIRCUIT DEVICE, VOICE INPUT DEVICE AND INFORMATION PROCESSING SYSTEM - There is provided an integrated circuit device having a wiring board | 07-21-2011 |
20110176698 | Differential Microphone - A differential microphone includes a housing having a first space and a second space formed therein, and a first diaphragm arranged within the housing. A first opening connecting the first space to outside and a second opening connecting the second space to the outside are formed in the housing. A dimension of the first opening and the second opening in a first direction perpendicular to a straight line passing through centers of both openings is longer than a dimension of the first opening and the second opening in a second direction parallel to the straight line passing through the centers of both openings. | 07-21-2011 |
20110233692 | MICROPHONE UNIT AND VOICE INPUT DEVICE USING SAME - A microphone unit converts voice into an electric signal based on the vibration of a diaphragm contained in an MEMS chip. The microphone unit includes a substrate on which the diaphragm is mounted (the MEMS chip is mounted); a cover member, having sound holes, that is disposed above the substrate so that the diaphragm is contained within the inner space formed between the cover member and the substrate; and a holding member that holds only the substrate or both of the substrate and the cover member. | 09-29-2011 |
20110235841 | MICROPHONE UNIT - A microphone unit includes a case; a diaphragm arranged inside the case; and an electric circuit unit that processes an electric signal generated in accordance with vibration of the diaphragm. The case has a first sound introducing space that introduces a sound from outside of the case to a first surface of the diaphragm via a first sound hole; and a second sound introducing space that introduces a sound from outside of the case to a second diaphragm, via a second sound hole. A resonance frequency of the diaphragm is set in the range of ±4 kHz based on the resonance frequency of at least one of the first sound introducing space and the second sound introducing space. | 09-29-2011 |
20110317863 | MICROPHONE UNIT - Disclosed is a microphone unit comprising a film substrate ( | 12-29-2011 |
20120020510 | MICROPHONE UNIT - Disclosed is a microphone unit ( | 01-26-2012 |
20120243721 | Differential Microphone Unit and Mobile Apparatus - Disclosed is a differential microphone unit which can improve the characteristics of a microphone unit and widen the directional range thereof. The disclosed differential microphone unit ( | 09-27-2012 |
20120257777 | MICROPHONE UNIT AND VOICE INPUT DEVICE COMPRISING SAME - A microphone unit ( | 10-11-2012 |
20120328142 | MICROPHONE UNIT, AND SPEECH INPUT DEVICE PROVIDED WITH SAME - A microphone unit includes first and second diaphragms; a substrate on a top surface of which are installed the first and second diaphragms; and a cover disposed covering the first and second diaphragms, the cover joined to an outside edge of the substrate and forming an internal space. There are formed in the substrate first and second openings that are formed respectively in the top and bottom surfaces of the substrate, and an internal sound path communicating from the first opening to the second opening. The first diaphragm is disposed on the substrate so as to cover and hide the first opening. The second diaphragm is disposed so as to seal off a partial region away from the first opening of the top surface of the substrate. A third opening is formed in the cover, and the internal space communicates to an outside space via the third opening. | 12-27-2012 |
20130069180 | ELECTRO-ACOUSTIC CONVERSION DEVICE MOUNT SUBSTRATE, MICROPHONE UNIT, AND MANUFACTURING METHOD THEREFOR - The disclosed substrate ( | 03-21-2013 |
20130070951 | MICROPHONE UNIT AND SOUND INPUT DEVICE INCORPORATING SAME - An enclosure ( | 03-21-2013 |
20130129133 | MICROPHONE UNIT - A microphone unit ( | 05-23-2013 |
20130136292 | MICROPHONE UNIT - A microphone unit ( | 05-30-2013 |
20140233756 | SOUND INPUT DEVICE - A sound input device includes a housing, a microphone housing, a vibrator, and first and second sound guide components. The housing has first and second sound collection holes. The microphone housing has first and second microphone sound holes. The first and second sound guide components communicate with the first and second sound collection holes and the first and second microphone sound holes, respectively. The microphone housing has a first microphone inner space that communicates with the first microphone sound hole and one side of the diaphragm of the vibrator, and a second microphone inner space that communicates with the second microphone sound hole and the other side of the diaphragm. A spacing between the first sound collection hole and the second sound collection hole is wider than a spacing between the first microphone sound hole and the second microphone sound hole. | 08-21-2014 |
20140307911 | EAR PAD AND EARPHONE DEVICE - An ear pad to be attached to an earphone device including a speaker includes: a main body including a sound hole through which a sound from the speaker comes out; a protrusion which is made of the same material as the main body and protrudes outwardly from a side surface of the main body; and a surrounding part which is made of the same material as the main body and is formed at an outer end portion of the protrusion to surround the main body, the outer end portion being positionally opposite to an end portion of the protrusion that is located on the side surface of the main body. | 10-16-2014 |