Abstract:
A microphone unit (1) is disposed in the inside of a first housing (51) of a voice input apparatus. The microphone unit (1) includes: a second housing (11); a diaphragm (122) which is disposed in the inside of the second housing (11); and an electric circuit portion (12, 13, 14) which processes an electric signal that is generated based on a vibration of the diaphragm (122). In the voice input apparatus, a first sound guide space (513) which guides a sound outside the first housing (51) to a first surface (122a) of the diaphragm (122) and a second sound guide space (514) which guides a sound outside the first housing (51) to a second surface (122b) of the diaphragm (122) are formed. The electric circuit portion (12, 13, 14) is disposed in either one of the first sound guide space (513) and the second sound guide space (514); and an acoustic resistance portion (52) which adjusts at least one of a frequency characteristic of the first sound guide space (513) and a frequency characteristic of the second sound guide space (514) is formed.
Abstract:
An electrochromic display device (100,101) including: a first substrate (10); first electrodes (20) parallely extending on the first substrate (10); a second substrate (30) opposite to the first substrate (10); second electrodes (40) parallely extending in a direction orthogonal to the first electrodes (20) on the second substrate (30); and an electrochromic composition layer (50) between the substrates (10,30), wherein the device (100,101) is passive-matrix driven to perform a display by energization between the electrodes (20,40), and to perform erasing of the display by energization in a reverse direction, a pixel (60) is formed in each portion where the first electrodes (20) sterically intersect with the second electrodes (40), and metal electrical wires (41,42,43,44) extending over separate regions (R1,R2,R3,R4) of the second electrodes (40) and in a direction along the second electrodes (40), each of the metal electrical wires (41,42,43,44) being conductively connected to a respective one of the regions (R1,R2,R3,R4), and insulated from the other regions of a respective second electrode.
Abstract:
A microphone unit (1) includes a case (11); a diaphragm (122) arranged inside the case (11); and an electric circuit unit (13) that processes an electric signal generated in accordance with vibration of the diaphragm (122). The case (11) has a first sound introducing space (113) that introduces a sound from outside of the case to a first surface (122a) of the diaphragm (122) via a first sound hole (111); and a second sound introducing space (114) that introduces a sound from outside of the case to a second surface (122b), which is an opposite surface of the first surface (122a) of the diaphragm (122), via a second sound hole (112). A resonance frequency of the diaphragm (122) is set in the range of ± 4 kHz based on the resonance frequency of at least one of the first sound introducing space (113) and the second sound introducing space (114).
Abstract:
A microphone unit (2) includes: a microphone substrate (13); and a partition unit (20) having a diaphragm (22). The microphone substrate (13) has a first substrate opening (14) and a second substrate opening (15). The partition unit (20) covers the first substrate opening (14) and the diaphragm (22) covers a part of the first substrate opening (14) so as to form an internal space containing an in-substrate unit space (12) formed at least in the microphone substrate (13) and communicating with outside from the diaphragm (22) via the first substrate opening (14) and the second substrate opening (15). This realizes a microphone unit in which a differential microphone configured by a single diaphragm is mounted with a high density.
Abstract:
Disclosed is a memory cell array (10) including: word lines (WL) and first and second bit lines (BL1,BL2) respectively connected to memory cells (100), wherein each memory cell (100) includes a MOS transistor (110) and a nanogap element (120) formed inside a contact hole, the switching element includes first and second conductive layers and a gap in which a resistance value is changed by applying a predetermined voltage, each word line is connected to a gate electrode, each first bit line is connected to a second electrode, each second bit line is connected to the second conductive layer, and data is written by supplying a write voltage to the first bit line connected to a selected memory cell and specifying the word line connected to the memory cell, and data is read by supplying a read voltage to the first bit lines connected to the memory cell and specifying the word line connected to the memory cells.
Abstract:
A microphone unit (1) is disposed in the inside of a first housing (51) of a voice input apparatus. The microphone unit (1) includes: a second housing (11); a diaphragm (122) which is disposed in the inside of the second housing (11); and an electric circuit portion (12, 13, 14) which processes an electric signal that is generated based on a vibration of the diaphragm (122). In the voice input apparatus, a first sound guide space (513) which guides a sound outside the first housing (51) to a first surface (122a) of the diaphragm (122) and a second sound guide space (514) which guides a sound outside the first housing (51) to a second surface (122b) of the diaphragm (122) are formed. The electric circuit portion (12, 13, 14) is disposed in either one of the first sound guide space (513) and the second sound guide space (514); and an acoustic resistance portion (52) which adjusts at least one of a frequency characteristic of the first sound guide space (513) and a frequency characteristic of the second sound guide space (514) is formed.
Abstract:
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.
Abstract:
Disclosed is a switching element including: an insulative substrate (10); a first electrode (20) and a second electrode (40) provided to the insulative substrate; an interelectrode gap (50) between the first electrode and the second electrode, comprising a gap of a nanometer order which causes switching phenomenon of resistance by applying a predetermined voltage between the first electrode and the second electrode; and a sealing member (60) to seal the interelectrode gap such that the gap is retained.
Abstract:
Disclosed is an enzyme electrode comprising: an electrode; a carbon nanotube layer including a plurality of carbon nanotubes extending directly from the electrode and/or a metallic catalyst immobilized on the electrode; and an enzyme immobilized in the carbon nanotube layer by being sandwiched between the carbon nanotubes.