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 |
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 |
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 |
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 |
Patent application number | Description | Published |
20080247586 | Microphone unit, close-talking voice input device, information processing system, and method of manufacturing microphone unit - A microphone unit includes: a housing which has an inner space; a partition member which is provided in the housing and divides the inner space into a first space and a second space, the partition member being at least partially formed of a diaphragm; and an electrical signal output circuit which outputs an electrical signal based on vibrations of the diaphragm. In the housing, a first through-hole through which the first space communicates with an outer space of the housing and a second through-hole through which the second space communicates with the outer space are formed. | 10-09-2008 |
20080318640 | Voice Input-Output Device and Communication Device - A voice input-output device includes a voice input section and a voice output section. The voice input section includes a microphone unit, the microphone unit including a housing that has an inner space, a partition member that is provided in the housing and divides the inner space into a first space and a second space, the partition member being at least partially formed of a diaphragm, and an electrical signal output circuit that outputs an electrical signal that is the first voice signal based on vibrations of the diaphragm, a first through-hole through which the first space communicates with an outer space of the housing and a second through-hole through which the second space communicates with the outer space being formed in the housing. The voice output section includes: an ambient noise detection section that detects ambient noise during a call based on the first voice signal; and a volume control section that controls volume of the speaker based on a degree of the detected ambient noise. | 12-25-2008 |
20120201410 | MICROPHONE UNIT, CLOSE-TALKING VOICE INPUT DEVICE, INFORMATION PROCESSING SYSTEM, AND METHOD OF MANUFACTURING MICROPHONE UNIT - A microphone unit includes: a housing which has an inner space; a partition member which is provided in the housing and divides the inner space into a first space and a second space, the partition member being at least partially formed of a diaphragm; and an electrical signal output circuit which outputs an electrical signal based on vibrations of the diaphragm. In the housing, a first through-hole through which the first space communicates with an outer space of the housing and a second through-hole through which the second space communicates with the outer space are formed. | 08-09-2012 |