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Patent Searching and Data


Matches 301 - 350 out of 2,000

Document Document Title
WO/1989/006512A1
An optical reflection hydrophonic probe is useful for determining the pressure-time behaviour of pressure waves in fluids. One end of an optical waveguide (glass fibre) dips into the fluid. The reflection of light at the tip of the glass...  
WO/1989/000295A1
Sensor systems and methods for detecting the position and/or movement of an object (20) in multiple degrees of freedom. The sensor system of the present invention comprises at least one field-effect transistor (FET) (110), the geometrica...  
WO/1988/007785A1
Electrokinetic transducing method and system are disclosed in which the two electrode arrays (14, 16) confront each other and each electrode in one array (14) is equidistant from the two nearest electrodes in the other array (16). The el...  
WO/1988/004126A1
A thin diaphragm (22) receives pressure across one side and faces a beam splitter (25) on the other side. The beam splitter (25) is integrally attached to the diaphragm (22) and serves as a local optical reference plane for the entire as...  
WO/1985/000495A1
An electroacoustic transducer, primarily in the form of a capacitive microphone, for incorporation into a semiconductor substrate (10). The vibrating element comprises a largely non-tensioned diaphragm (14), such as an epitaxial layer (1...  
WO/1981/003100A1
A high-fidelity type loudspeaker decreases distortion and increases conversion efficiency by decreasing mass by employing a gas driver. A gas-tight enclosure (12) contains a polar gas (whose molecules are capable of exhibiting a dipole m...  
JP6462078B2  
JP6456954B2  
JP2019501605A
The 2nd sound output part provided by the present invention separating the 1st sound output part, the 1st above-mentioned sound output part, and a predetermined interval, Having at least one opening formed in the 2nd above-mentioned soun...  
JP2018537902A
The present invention presents an acoustic output device provided with the 1st sound output part, the 2nd sound output part contacted by at least one copy of the 1st sound output part, and the case where the 1st and 2nd sound output part...  
JP2018201182A
[Subject] An electroacoustic transduction device which can choose the acoustic feature of a user request is provided. [Means for Solution] An electroacoustic transduction device is provided with the following. Case 40, Piezo-electric typ...  
JP6438544B2  
JP2018536304A
A system contains a laser microphone, a laser base microphone, or an optical microphone. A laser microphone contains a laser transmitter which transmits a dispatch laser beam which turns on a speaker. A laser transmitter acts as a self-m...  
JP2018133625A
To provide a thermoacoustic device and an acoustic wave inspection device in which strength of a heat generator is relatively large and the degree of freedom of design is relatively large.A thermoacoustic device includes a heat generator...  
JP2018523414A
It is combined with a top electrode of a cell and an array of a CMUT cell has DC bias voltage which applies bias to an electrode so that it may be in a desired collapse state or a partial collapse state. In short circuit failure of a CMU...  
JP2018517325A
Arrangement of an optical microphone is an array of the optical microphone (4) on a substrate (8), and the each optical microphone (4) is, The array of an optical microphone (4) which provides the signal which shows displacement of each ...  
JP2018516496A
A laser microphone may contain the detection system containing a plurality of laser subsystems. The detection system can generate discharge electromagnetic radiation based on a frequency pattern, and it can constitute it so that the refl...  
JP6321156B2  
JP6315429B2  
JP2018506241A
The present invention indicates an acoustic output device provided with the housing by which accommodation space was established in the inside, the 1st sound output part provided in the above-mentioned housing, and the 2nd sound output p...  
JP2017216728A5  
JP2018021923A
[Subject] A pressure sensor, a microphone, and an acoustic treatment system of a large dynamic range detectable by pressure sensor, microphone and acoustic treatment system, or a large frequency band are provided. [Means for Solution] A ...  
JP6272886B2  
JP2018004522A
[Subject] Detecting sensitivity is raised. [Means for Solution] Transmission section 120 which comprised a plurality of vibrators in which ultrasonic test equipment transmits an ultrasonic wave to an inside of thing 10 to be examined, Ar...  
JP2017220935A
[Subject] According to a state of an optical system, an optical microphone in which an exact voice recovery is possible is provided. [Means for Solution] A light source to which an optical microphone of the present invention emits a ligh...  
JP2017537344A
A system and a method of generating reinforcement voice data relevant to at least one speaker. A process of generating reinforcement voice data is provided with the following. A step which receives remote signal data from a remote sound ...  
JP2017216728A
[Subject] An electric mechanical converter etc. which can prevent light from entering into a receiving side are provided without degrading the machinery characteristic of a timbal. [Means for Solution] An electric mechanical converter ha...  
JP2017215326A
[Subject] A sensor and a microphone which can aim at improvement in sensitivity are provided. [Means for Solution] A supporter with which a sensor was formed between a printed circuit board, a cover, and the printed circuit board and the...  
JP6243668B2  
JP2017208596A
[Subject] An ultrasonic wave measuring device which does not need to install a position of a photon detection part to a timbal with sufficient accuracy of position in plane view of a substrate is provided. [Means for Solution] Substrate ...  
JP2017204844A
[Subject] Offer of a moving coil piezo-electricity simple substance type [which can improve mixing and a resonance effect] dual [structure is easy, are easy to position a member, manufacture is easy, and a yield is high, and] band earpho...  
JP2017194975A
[Subject] Offer of an electronic device provided with a flexible display and an internal component. [Means for Solution] An internal component is arranged under a flexible display. An internal component is an output unit like a speaker w...  
JP6207325B2  
JP2017175622A
[Subject] Provide an optical microphone system which reduces a noise. [Means for Solution] One embodiment contains an optical microphone system. An optical microphone system is provided with the following. Laser constituted so that an op...  
JP6196557B2  
JPWO2016088459A1
After reducing a drive loss to a diaphragm, a good output state of a sound in a broadband is secured. An annular coil bobbin in which at least one copy is arranged between a yoke and a magnet, A coil which it is twisted around a coil bob...  
JP6193279B2  
JP2017152895A
[Subject] It is not based on frequency of a sound wave to detect, but noise is reduced, and an acoustic sensor and a sound wave detecting method which control a fall of sensitivity and generating of directivity of disorder are provided. ...  
JP6178285B2  
JP2017131560A
[Subject] In an optical sound indecement type ultrasonic imaging apparatus, an ultrasonic device which is made to generate an ultrasonic wave which has desired intensity distribution, or can be brought close to intensity distribution of ...  
JP6170705B2  
JP2017126971A
[Subject] A cure speaker which relieves fatigue of a human body is provided. [Means for Solution] Plasma ion which is in the air for an electric signal which is on people's body because the side of a leg touches on the ground is combined...  
JP2017123637A
[Subject] A single directive microphone provided with a ribbon type diaphragm is miniaturized. [Means for Solution] Having a bidirectional ribbon type microphone unit (2) and an indirectional capacitor type microphone unit (3), a ribbon ...  
JP3210655U
[Subject] This design provides structure of headphone by which a cubic effect of an outstanding acoustic field is acquired. [Means for Solution] Appearance Otobe mainly formed in the whole surface of fixed stand 2 and the fixed stand, an...  
JP2017092729A
[Subject] An optical microphone which can reduce distortion of a voice response signal is obtained. [Means for Solution] Diaphragm 2 which vibrates in response to a sound wave, and the floodlighting side light guide which emits light fro...  
JP6120336B2  
JP2017511092A
[Subject] An audio signal of a speaker is detected via a magnetic field combined between a speaker and an alignment magnetic resistance sensor. Structure of a magnetic resistance audio pickup is made simple, and low power consumption is ...  
JP2017509014A
A capture module which is a phonetic perception system, and was constituted so that sound utterance signal information might be caught, A feature extraction module constituted so that the feature which specifies a part for possible non-v...  
JPWO2015111603A1
The ultrasonic wave generation element which can be used for a larger use is provided. Ultrasonic wave generation element 10 is provided with internal medium 18 which gives an ultrasonic wave to an external medium when volume changes wit...  
JPWO2015111581A1
According to the embodiment, a sensor containing a structure, a container, a fluid, and a primary detecting element is provided. The structure contains a supporter and a membrane portion. A membrane portion includes the 1st field. The 1s...  

Matches 301 - 350 out of 2,000