Patent application number | Description | Published |
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 |
20090251199 | Switching Element - A switching element | 10-08-2009 |
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 |
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 |
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 |
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 |
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 |
20110195745 | Microphone Unit and Mobile Phone Provided with the Same - Provided is a microphone unit having flat frequency characteristics. A microphone unit includes a casing, a first substrate, a second substrate, a vibrating unit, a diaphragm, an ASIC, and a dummy component. The dummy component is attached to the substrate to be located below an opening. | 08-11-2011 |
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 |