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9036827 Parametric audio system  
Ultrasonic signals are used to transmit sounds from a modulated ultrasonic generator to other locations from which the sounds appear to emanate. In particular, an ultrasonic carrier is modulated...
9035532 Ultrasonic sensor microarray and method of manufacturing same  
A sensor assembly including one or more capacitive micromachined ultrasonic transducer (CMUT) microarray modules which are provided with a number of individual transducers. The microarray modules...
9030919 Combined broadband ocean bottom seismograph with single glass sphere  
The invention provides a broadband ocean bottom seismograph with a single glass sphere. The seismograph comprises an anchor at its bottom having a frame structure with a rigid ring for...
8987844 MEMS device and process  
A MEMS capacitive transducer with increased robustness and resilience to acoustic shock. The transducer structure includes a flexible membrane supported between a first volume and a second volume,...
8952595 Micro-electro-mechanical transducers  
Some examples include at least one capacitive micro-electro-mechanical transducer (cMUT). For instance, the cMUT may include a substrate, a plate, and a resilient structure therebetween. In some...
8926517 Flexible micro-electro-mechanical transducer  
A curved or bendable micro-electro-mechanical transducer (such as the cMUT) is disclosed. The transducer has a plurality of transducer elements built on a substrate. The substrate has a slot below...
8875583 Electromechanical transducer and method of manufacturing the same  
Disclosed is an electromechanical transducer, including: a cell including a substrate, a vibration film, and a supporting portion of the vibration film configured to support the vibration film so...
8880141 Photoacoustic imaging devices and methods of making and using the same  
A photoacoustic imaging device includes an array of light sources configured and arranged to illuminate a target region and an array of ultrasonic transducers between the array of light sources...
8873341 CMUT cell formed from a membrane of nanotubes or nanowires or nanorods and device for ultra high frequency acoustic imaging including multiple cells of this kind  
A cMUT-type capacitive electroacoustic transducer including: at least one membrane configured to oscillate under effect of an electric field and/or an acoustic wave, wherein the membrane is formed...
8861312 MEMS microphone  
A MEMS microphone comprising: a) a case with an open front side;b) a MEMS membrane mounted on one face of a base, the base being mounted inside the case on a substantially closed side; andc) a...
8796901 Micro-electro-mechanical transducer having an insulation extension  
A micro-electro-mechanical transducer (such as a cMUT) having two electrodes separated by an insulator with an insulation extension is disclosed. The two electrodes define a transducing gap...
8791624 Acoustic galvanic isolation device  
An electroacoustic transducer including a first electrode formed on a substrate capable of transmitting ultrasounds, a membrane formed above the first electrode and separated therefrom by a...
8787116 Collapsed mode operable cMUT including contoured substrate  
A capacitive ultrasound transducer capable of operation in collapsed mode either with a reduced bias voltage, or with no bias voltage, is provided. The transducer includes a substrate that is...
8787601 Condenser microphone  
A condenser microphone includes a substrate having a cavity, first and second spacers defining an opening, a diaphragm having a rectangular shape positioned inside of the opening, and a plate...
8767514 Telemetric sensing using micromachined ultrasonic transducer  
Implementations of a cMUT have a telemetric antenna operative to telemetrically transmit an output signal generated by the cMUT in reception mode (RX). The cMUT generates the output signal by...
8760974 Ultrasonic probe and ultrasonic imaging apparatus  
Artifacts due to lateral wave that occurs in a substrate of a Capacitive Micro-machined Ultrasonic Transducer is reduced. The substrate thickness of the ultrasonic transducer is set in an optimum...
8760031 Electromechanical transducer and method for manufacturing the same which suppresses lowering of sensitivity while a protective layer is formed  
An electromechanical transducer of the present invention includes a first electrode, a vibrating membrane formed above the first electrode through a gap, a second electrode formed on the vibrating...
8754489 Ultrasonic transducer and manufacturing method  
An ultrasonic transducer includes a first electrode, a first insulation film covering the first electrode, a hollow part overlapping the first electrode on the first insulation film, a second...
8737171 MEMS device and process  
A MEMS capacitive transducer with increased robustness and resilience to acoustic shock. The transducer structure includes a flexible membrane supported between a first volume and a second volume,...
8698255 Semiconductor component having a micromechanical microphone structure  
A simple and cost-effective form of implementing a semiconductor component having a micromechanical microphone structure, including an acoustically active diaphragm as a deflectable electrode of a...
8665672 Process for producing capacitive electromechanical conversion device, and capacitive electromechanical conversion device  
A process for producing a capacitive electromechanical conversion device by bonding together a substrate and a membrane member to form a cavity sealed between the substrate and the membrane...
8654614 Capacitive electromechanical transducer  
Provided is a transducer in which electrodes in a movable region are less likely to affect the mechanical characteristics of the movable region and in which nonuniform electrical potential...
8637945 Component having a micromechanical microphone structure, and method for its production  
A component having a robust, but acoustically sensitive microphone structure is provided and a simple and cost-effective method for its production. This microphone structure includes an...
8627725 Capacitance type vibration sensor  
A capacitance type vibration sensor has a substrate including a hollow portion, a vibration electrode plate, which is arranged facing the hollow portion at an upper surface side of the substrate...
8559274 Dual-mode operation micromachined ultrasonic transducer  
Implementations of a cMUT have dual operation modes. The cMUT has two different switchable operating conditions depending on whether a spring member in the cMUT contacts an opposing surface at a...
8555483 Method of manufacturing a vibrating element  
A vibrating element manufacturing method by which adhesion is stabilized and yield is improved, a vibrating element, a vibrating actuator, a lens barrel and a camera system. A vibrating element...
8531919 Flexible capacitive micromachined ultrasonic transducer array with increased effective capacitance  
A Capacitive Micromachined Ultrasonic Transducer (CMUT) having a membrane operatively connected to a top electrode and having a bottom electrode having a concave void. When a DC bias voltage is...
8526271 Capacitive micromachined ultrasonic transducer with voltage feedback  
Implementations of a capacitive micromachined ultra-sonic transducer (CMUT) include a feedback component connected in series with the CMUT. The feedback component applies a feedback on a voltage...
8483014 Micromachined ultrasonic transducers  
A capacitive micromachined ultrasonic transducer (CMUT) includes a structured membrane which possesses improved frequency response characteristics. Some embodiments provide CMUTs which include a...
8456958 Capacitive micro-machined ultrasonic transducer for element transducer apertures  
A capacitive micro-machined ultrasonic transducer (CMUT) array includes an improved elementary aperture for imaging operations. The transducer can be of a linear, curved linear, annular, matrix or...
8451693 Micromachined ultrasonic transducer having compliant post structure  
A compression post capacitive micromachined ultrasonic transducer (CMUT) is provided. The compression post CMUT includes a first electrode, a top conductive layer having a pattern of post holes, a...
8451694 Ultrasonic sensor unit and electronic device  
An ultrasonic sensor unit includes a transmission base plate and a reception base plate. The transmission base plate includes an ultrasonic transmission sensor configured and arranged to transmit...
8398554 Harmonic cMUT devices and fabrication methods  
Harmonic capacitive micromachined ultrasonic transducer (“cMUT”) devices and fabrication methods are provided. In a preferred embodiment, a harmonic cMUT device generally comprises a membrane...
8372011 Asymmetric membrane cMUT devices and fabrication methods  
Asymmetric membrane capacitive micromachined ultrasonic transducer (“cMUT”) devices and fabrication methods are provided. In a preferred embodiment, a cMUT device according to the present...
8368153 Wafer level package of MEMS microphone and manufacturing method thereof  
A wafer level package of micro electromechanical system (MEMS) microphone includes a substrate, a number of dielectric layers stacked on the substrate, a MEMS diaphragm, a number of supporting...
8363514 Variable operating voltage in micromachined ultrasonic transducer  
A cMUT and a cMUT operation method use an input signal that has two components with different frequency characteristics. The first component has primarily acoustic frequencies within a frequency...
8345513 Stacked transducing devices  
Implementations include a capacitive micromachined ultrasonic transducer (CMUT) having an additional transducing device overlaid in a vertically stacked relationship. In some implementations the...
8345512 Capacitive micromachined ultrasonic transducer (cMUT) device and method of controlling the same  
A capacitive micromachined ultrasonic transducer (cMUT) device, comprising: a cMUT formed on a semiconductor substrate; a DC high-voltage generation unit that is provided on the semiconductor...
8294225 Ultrasonic transducer and manufacturing method  
This invention provides a technique whereby, even if a step is produced by splitting a lower electrode into component elements, resistance increase of an upper electrode, damage to a membrane and...
8256093 Method of manufacturing an acoustic mirror  
An acoustic mirror of alternately arranged layers of high and low acoustic impedances is manufactured in that a basic material having a first layer of the layer sequence is initially provided, on...
8247945 Micro-electro-mechanical transducers  
A micro-electro-mechanical transducer (such as a cMUT) is disclosed. The transducer has a substrate, a top plate, and a resilient structure therebetween. The resilient structure has multiple...
8248889 Ultrasound diagnostic apparatus  
An ultrasound diagnostic apparatus is connectable with an ultrasound probe having a c-MUT element or a piezoelectric ultrasound transducer, and includes a DC bias output portion, a transmission...
8218286 MEMS microphone with single polysilicon film  
An integrated circuit structure includes a capacitor, which further includes a first capacitor plate formed of polysilicon, and a second capacitor plate substantially encircling the first...
8203912 CMUTs with a high-k dielectric  
A capacitive ultrasound transducer includes a first electrode, a second electrode, and a third electrode, the third electrode including a central region disposed in collapsibly spaced relation...
8169855 Ultrasonic sensor unit and electronic device  
An ultrasonic sensor unit includes an ultrasonic transmission sensor array having a plurality of ultrasonic transmission sensors configured and arranged to transmit ultrasonic waves, and an...
8120229 Middle spring supported micro-electro-mechanical transducers  
A micro-electro-mechanical transducer (such as a cMUT) is disclosed. The transducer has a substrate, a top plate, and a middle spring layer therebetween. The substrate and the middle spring layer...
8117919 Micro-electro-mechanical system device  
The present invention discloses a micro-electro-mechanical system (MEMS) device, comprising: a substrate with at least one opening; and a membrane supported on the substrate, the membrane...
8103025 Surface mountable transducer system  
The present invention relates to a surface mountable acoustic transducer system, comprising one or more transducers, a processing circuit electrically connected to the one or more transducers, and...
8089828 Acoustic sensor element  
A micromechanical acoustic sensor element, which has at least one diaphragm and at least one fixed counter element, the diaphragm being situated in a cavity between a substrate and the counter...
8045733 Silicon microphone with enhanced impact proof structure using bonding wires  
A backplateless silicon microphone and a wire protection method for improved impact resistance are disclosed. A circular diaphragm is surrounded by a circular spring having a plurality of slots...

Matches 1 - 50 out of 143 1 2 3 >