This page is updated frequently with new Transducer-related patent applications.
|Hearing device with vibration sensitive transducer|
A hearing device, such as a hearing aid, having a vibration sensitive transducer being adapted to detect vibrations being generated by a human voice, and a digital signal processor for processing signals from the vibration sensitive transducer in order to identify a predetermined human voice vibration signal being related to the voice of the user of the hearing device, and control the hearing device in accordance therewith. The vibration sensitive transducer is secured directly to a shell so that vibrations are detected via a skull of the user of the hearing device.
Sonion Nederland B.v.
|Low frequency equalization for loudspeaker system|
A method of optimizing the low frequency audio response emanating from a pair of low frequency transducers housed within a cabinet. The low frequency transducers are electrically connected to a power amplifier and source of audio content.
|Integrated piezoelectric micromechanical ultrasonic transducer pixel and array|
An ultrasonic sensor pixel includes a substrate, a piezoelectric micromechanical ultrasonic transducer (pmut) and a sensor pixel circuit. The pmut includes a piezoelectric layer stack including a piezoelectric layer disposed over a cavity, the cavity being disposed between the piezoelectric layer stack and the substrate, a reference electrode disposed between the piezoelectric layer and the cavity, and one or both of a receive electrode and a transmit electrode disposed on or proximate to a first surface of the piezoelectric layer, the first surface being opposite from the cavity.
|Ultrasonic lens for receiver application|
An improved ultrasonic lens and associated system is provided. Specifically, there is provided an ultrasonic lens with two sets of parallel sound ports operatively connected to an electrodynamic transducer to extend the working range of both audible and ultrasonic sound signals.
Sound Solutions International Co., Ltd.
|Method and null substraction ultrasound imaging|
Aspects of the subject disclosure may include, for example, applying different apodization weights for ultrasound echoes to generate a plurality of images of a target where one of the apodization weights has a zero mean value across an aperture of a transducer array and generating a null subtracted image of the target by combining the plurality of images. Other embodiments are disclosed..
The Board Of Trustees Of The University Of Illinois
|Mobile ultrasonic rail inspection system and method|
An ultrasonic rail inspection system includes an ultrasonic transducer mounted on a yoke for attachment to a frame of a rail inspection vehicle. The ultrasonic transducer transmits ultrasonic pulses and receives reflected ultrasonic pulses.
|Time of flight sensor device configured to measure a characteristic of a selected medium|
Embodiments of devices, systems, and methods are disclosed that may be used to determine moisture content or chemical composition of a selected medium, such as soil. In an embodiment, a sensor device may include a first transducer configured to send data at a first time to a second transducer through a selected medium and to receive data at a second time from the second transducer through the selected medium.
|Quartz resonator pressure transducers and methods of operation|
A cylindrical quartz crystal transducer that exhibits a low probability of twinning, and uses a combination of resonator signal inputs at the b-mode and c-mode frequencies to calculate resonator temperature. Crystallographic orientations are disclosed where combinations of b-mode and c-mode resonant frequencies exist that are sufficiently independent of pressure to enable accurate calculation of temperature under transient conditions.
|Modular stack light with central connectors|
An in-line sound module for a modular stack light system provides electrical and mechanical connectors to allow it to be placed anywhere in the stack. Axial orientation of the audio transducer and a flexible jumpering system allow preservation of central connectors between modules.
Rockwell Automation Technologies, Inc.
|Lighting fixture and related control method|
A position sensor comprising a linear transducer coupled to the rotary actuator and comprising a slider; wherein the linear transducer is configured to move the slider along a path by a displacement proportional to an angular displacement of the rotary actuator; the position sensor comprising a detection module for detecting the position of the slider along the path; the position sensor being configured to calculate the absolute displacement of the movable element based on the detected position of the slider along the path; preferably the path extending along an axis.. .
Assessment of blood coagulation using an acoustic radiation force based optical coherence elastography (arf-oce)
An apparatus and method of using an optical coherence elastography (oce) under acoustic radiation force (arf) excitation includes the steps of inducing an excitation wave in a blood sample by use of an ultrasound beam from an ultrasonic transducer; measuring an elastic property of the blood sample by use of an optical coherence tomography (oct) beam transverse to the ultrasound beam to dynamically measure the elastic property of the blood sample during coagulation and assessing the clot formation/dissolution kinetics and strength.. .
The Regents Of The University Of California
Axle of wheel sets and respective the ultrasound inspection
An axle of railway wheel sets and a corresponding method for the ultrasound inspection are described. A blind hole, coaxial to the axle and sized to accommodate an ultrasonic probe, is obtained in each end of the axle.
Lucchini Rs S.p.a.
System for manipulation and sorting of particles
A sound manipulation system is provided. The sound manipulation system includes a flow chamber arranged and disposed to receive a fluid containing a particulate and provide in-line sound wave manipulation of at least a portion of the particulate from the fluid, and a transducer positioned to facilitate the in-line sound wave manipulation within the flow chamber.
Ascent Bio-nano Technologies, Inc.
Ultrasound probe with integrated electronics
A hand-held ultrasound system includes integrated electronics within an ergonomic housing. The electronics includes control circuitry, beamforming and circuitry transducer drive circuitry.
Continuous ultrasonic monitoring
A system for continuous ultrasonic monitoring includes an ultrasound transducer. The ultrasound transducer includes an array of ultrasonic transducer elements.
Hemonitor Medical Ltd
An electroacoustic transducer, which can be a speaker or a microphone, includes a frame, a housing, and a vibrating body having one or more vertically split cylindrical faces. The opposing sides of the vibrating body is connected to the housing or the frame.
Interdigitated transducers and reflectors for surface acoustic wave devices with non-uniformly spaced elements
A surface acoustic wave (saw) device includes: a substrate, an interdigitated transducer including a plurality of interdigitated fingers disposed on a first surface of the substrate, and a reflector including a plurality of gratings also disposed on the first surface. At least one of: (1) a first group of the interdigitated fingers has a first finger pitch and a first finger metal pitch ratio, and a second group of the interdigitated fingers has a second finger pitch different from the first metal pitch and a second metal pitch ratio different from the first metal pitch ratio; and (2) a first group of the gratings has a first grating pitch and a first grating metal pitch ratio, and a second group of the gratings has a second grating metal pitch different from the first grating metal pitch and a second grating metal pitch ratio different from the first grating metal pitch ratio..
Avago Technologies General Ip (singapore) Pte. Ltd.
Ultrasound transducer and processing methods thereof
An ultrasonic transducer includes a backing element, an active element overlying the backing layer, and a matching element overlying the active element, the matching element having an inner surface that contacts the active element and an outer surface with a non-homogeneous texture and/or material composition. The matching element may be formed by subtractive or deposition techniques..
Acist Medical Systems, Inc.
Method of designing a panel assembly for a vibratory panel device
There is disclosed a method of designing a panel assembly for a vibratory panel device, the assembly comprising a panel which supports vibrations and two or more transducers coupled to the panel to transmit vibrations to or receive vibrations from the panel. The method comprises: obtaining the number of transducers to be used in the assembly and their relative positions; obtaining relationships between drive signals to be applied to the respective transducers to provide a desired effect; determining an optimisation criterion for the assembly that depends on the obtained relationships; and determining one or more parameters for the respective transducers that satisfy the optimisation criterion.
Nvf Tech Ltd
Calibrating a cold planer conveyor scale system
A system for calibrating a force transducer that measures a magnitude of a force acting on a conveyor of a cold planer is disclosed. The system may receive, from the force transducer, a first signal indicative of the magnitude of the force acting on the conveyor of the cold planer.
Caterpillar Paving Products Inc.
Torque sensor assembly for an engine comprising a central disc and an outer rim
A torque sensor assembly an engine comprising: a transducer (1100) including: a central disc (1110); and an outer rim (1160) coupled to the central disc (1110); and at least one sensing element (1210) spaced from the transducer (1100) and configured to determine an amount of torque exerted on the central disc (1110) by sensing a magnetic flux passing through the central disc (1110). There is also a housing (1200) which comprises the sensing element (1210).
Methode Electronics Malta Ltd.
Ultrasonic flow meter with a connection arrangement including elastic connectors arranged within an insulating support arrangement
An ultrasonic flow meter includes a meter housing, a first ultrasound transducer, a second ultrasound transducer, an electronic control arrangement for operating the ultrasonic flow meter, and a connection arrangement being arranged between the electronic control arrangement and the ultrasound transducers. The connection arrangement includes an electrically insulating support arrangement, and a set of elastic connectors for electrically connecting the electronic control arrangement with the first and second ultrasound transducers.
Apator Miitors Aps
Ultrasonic device and measuring fluid flow using the ultrasonic device
An ultrasonic device includes a fluid conduit configured to couple with one or more pipes and an ultrasonic transducer mounted on the conduit. The conduit includes a main body defining a flow channel and a thermal barrier coupled to the main body.
General Electric Company
Liquid ejection device
A liquid ejection device, including a piezoelectric transducer including a plurality of pressure chambers; a plurality of partitions dividing the plurality of pressure chambers; and a plurality of electrodes formed in the plurality of pressure chambers, respectively, wherein the plurality of partitions each include a first side wall and a second side wall that is positioned on a back surface side of the first side wall, wherein the first side wall includes a first wall surface positioned in an upper portion thereof, the first side wall being positioned so as to be set back from a second wall surface positioned below the first wall surface, a first electrode is formed on the second wall surface, a second electrode is formed on the second side wall, and a height of an upper end of the second electrode is larger than a height of an upper end of the first electrode.. .
Canon Kabushiki Kaisha
Instrumented sports paraphernalia system
The present invention is a system for measuring and displaying the pressure of conventional american-style footballs in real time to game officials and spectators continuously. In one preferred embodiment, at least one pressure transducer device is disposed inside the football.
Light and/or ultrasonic transducer device with electrical stimulation
A flexible device having a layered structure for delivering electrical stimulation and one or both of light and ultrasound to a skin surface is provided. The device is flexible so as to form a non-planar contact surface against the skin surface, and includes one or both of (a) a flexible light emitter layer positioned between two flexible conductive layers that emits light when driven by a power source and (b) a flexible ultrasound emitter layer positioned between two flexible conductive layers that produces ultrasound when driven by a power source.
Sonovia Holdings Llc
Method of monitoring health status of a patient
Foley type catheter embodiments for sensing physiologic data from a urinary tract of a patient are disclosed. The system includes the catheter and a data processing apparatus and methods for sensing physiologic data from the urinary tract.
The present invention describes a conformable u-shaped teeth brush device having a conformable shape adjusting u-shaped teethbrush module and one or more individual tooth brushes coupled to the power drive mechanism, each brush having a sensor, piezoelectric crystal and transducer and each tooth brush having a block anchor coupled to the power drive, under smart controls, an electronic control system for sensing individual tooth pressure and controlling motor transmission of vibration to prior positioned brushes, whereby a users unique mouth features can be accounted for by adjusting u-shape distal ends to fit through the users mouth and align with users teeth arch for programmatically brushing more than one tooth simultaneously.. .
Separable beamforming for ultrasound array
Ultrasonic imaging apparatus or techniques can include obtaining at least an approximation of samples of reflected ultrasonic energy and constructing a representation of an imaging plane within the tissue region. Such apparatus or techniques can include separately determining, for respective focusing locations respective first sums of at least approximated complex samples of reflected ultrasonic energy obtained via respective first lines of transducers, and separately determining, for the specified focusing location, a second sum of at least some the respective first sums of at least approximated complex samples of reflected ultrasonic energy, the second sum corresponding to a second line of transducers in the ultrasonic transducer array.
Ultrasound device and processing ultrasound signal
An ultrasound device includes: a plurality of transducers constituting a two-dimensional (2d) probe; a signal processor configured to generate non-inverted signals based on first signals received from first transducers of a first group from among the plurality of transducers and to generate inverted signals based on second signals received from second transducers of a second group from among the plurality of transducers; a beamformer configured to generate a first summing signal corresponding to the non-inverted signals by performing beamforming on the non-inverted signals and to generate a second summing signal corresponding to the inverted signals by performing beamforming on the inverted signals; and a differential amplifier configured to differentially amplify the first summing signal and the second summing signal.. .
Samsung Medison Co., Ltd.
Ultrasonic probe and ultrasonic diagnosis apparatus
An ultrasonic probe according to an embodiment includes a tip part, an operation part, a bending part, and a heat conducting part. The tip part includes transducer elements configured to transmit and receive ultrasound waves, electronic circuitry electrically connected to the transducer elements, and a frame having the electronic circuitry provided thereon.
Toshiba Medical Systems Corporation
Acoustic orthopedic tracking system and methods
Systems, devices, and methods are disclosed for acquiring and providing information about orthopedic features of a body using acoustic energy. In some aspects, an acoustic orthopedic tracking system includes portable acoustic transducers to obtain orthopedic position information for feeding the information to an orthopedic surgical system for surgical operations..
Decision Sciences Medical Company, Llc
Modeling a frequency response characteristic of an electro-acoustic transducer
Example embodiments disclosed herein relate to modelling a frequency response characteristic of an electro-acoustic transducer. A method includes obtaining at least one measurement of the frequency response characteristic for at least one electro-acoustic transducer of the category.
Dolby Laboratories Licensing Corporation
Configurable hearing system
The application relates to a configurable hearing device such as a hearing aid comprising an input transducer adapted to transform an input sound signal to an electrical input signal; a memory storing at least two different performance categories, each comprising a group of technical features, the group of technical features of each of the at least two different performance categories being at least partially overlapping and each technical feature of the group of technical features being defined by a selectable range and/or parameter settings; a signal processing unit adapted to access the memory and to process the electrical input signal in accordance with an active performance category selectable from the at least two different performance categories, the signal processing unit providing a processed electrical signal; and an output transducer adapted to transform the processed electrical signal to an output signal producing a hearing perception to a user of the hearing device. The invention may e.g.
A new audio transducer for mobile devices having a collar with side openings that provide side venting to a back volume within an enclosure. The side openings eliminate the need for a typical frame and back vents thereon, which leads to a smaller size speaker.
Sound Solutions International Co., Ltd.
Vibration damping and mounting assembly for a loudspeaker
A loudspeaker damping assembly can mechanically damp or isolate a loudspeaker transducer from a mounting surface. The damping assembly can include a loudspeaker housing or frame that receives a loudspeaker transducer, and a flexible, deformable, or conformable flange damper extending outward from an edge of the loudspeaker housing.
Core Brands, Llc
Ear earphone, its variations and methods of wearing the earphone
An earphone includes an acoustic housing including an electroacoustic transducer and an opening, a wire connected to the electroacoustic transducer, a mounting part coupled to the acoustic housing through a cylindrical hinge and having a rotatable wire guide, and a bendable element connected to the mounting part near an axis of rotation of the wire guide. The wire is connected to the wire guide.
Electroacoustic transducer with flexible coilwire connection
A new audio transducer for mobile devices, in particular for a micro speaker, having a coil assembly having a coil, a pair of leads extending from the coil, and a flexible printed circuit having a pair of contact pads to which the leads are directly electrically connected. An advantage of this new speaker is the reduced number of electrical connections between the leads of the coil and the driver of the coil.
Sound Solutions International Co., Ltd.
Tcsaw with improved reliability
Embodiments of a surface acoustic wave (saw) device, or filter, and methods of fabrication thereof are disclosed. In some embodiments, the saw filter comprises a piezoelectric substrate and an interdigitated transducer (idt) on a surface of the piezoelectric substrate.
Rf Micro Devices, Inc.
Pipeline crack detection
A method includes emitting an ultrasonic signal into a test specimen from a transducer, receiving a first reflected ultrasonic signal from the test specimen, wherein the first reflected ultrasonic signal is reflected from a feature in the test specimen and the first reflected ultrasonic signal is internally reflected within the test specimen three times prior to being received, and determining a threshold depth of the feature in the test specimen based on receiving the first reflected ultrasonic signal.. .
General Electric Company
System and testing ultrasound transducer
An apparatus for testing an ultrasound device having an ultrasound transducer and a controller includes: a housing; an absorbing layer inside the housing, wherein the absorbing layer is configured to receive ultrasound energy from the ultrasound transducer; and a thermal camera for detecting temperature at the absorbing layer. A method for testing an ultrasound device having an ultrasound transducer and a controller, includes: operating the ultrasound transducer to deliver ultrasound energy towards an absorbing layer at a testing apparatus using a thermal camera to detect temperature at the absorbing layer; obtaining thermal image data from the camera; and analyzing the thermal image data to determine whether the ultrasound device is operating desirably..
Kona Medical, Inc.
Sensor and cable with local wireless read and write capability and methods of using same
Methods and apparatus for verifying a transducer are provided. In preferred embodiments, the flow of current on a wire that provides power to both a micro-processor and a transducer is reversed.
Meggitt (orange County), Inc.
Device, a tire pressure measurement device, a tire, a method and a computer program to obtain information indicating a tread depth
Embodiments provide a device, a tire pressure measurement system, a tire, a method and a computer program to obtain information indicating a tread depth of the tire. The device to obtain information indicating a tread depth of a tire of a vehicle comprises a transducer to provide acoustical signals based on electrical signals and vice versa.
Infineon Technologies Ag
Ultrasonic transducer element chip, probe, electronic instrument, and ultrasonic diagnostic device
An ultrasonic transducer element chip includes a substrate defining an opening, an ultrasonic transducer element disposed at a position corresponding to the opening in a thickness direction of the substrate, and a reinforcing member connected to the substrate to cover the opening. The reinforcing member defines a ventilation passage from the opening to an outside of the substrate..
Seiko Epson Corporation
A firefighting monitor includes logic circuitry for determining the reaction force caused by the flow of firefighting fluid therethrough. The reaction force may be communicated to structures remote from the monitor for taking appropriate actions in response to the reaction forces exceeding one or more criteria.
Elkhart Brass Manufacturing Company, Inc.
A device (20) is disclosed for dispensing a fluid supplied from an external fluid source. The device comprises a transducer (32) adapted to receive a fluid from the fluid source, and a collapsible linkage and trip link (502) coupling the transducer and the fluid source.
Cipla Europe Nv
Dual display presentation portable medical ultrasound scanning systems
A portable ultrasound scanning system comprising a hand-held housing, ultrasound electronics of a complete ultrasound scanning system, including a beamformer and an image processing unit, contained within the hand-held housing. A first display comprises a touchscreen on the hand-held housing with a user input interface, at least partially presented on the first display.
Interchangeable probes for portable medical ultrasound scanning systems
A portable ultrasound scanning system for performing a diagnostic ultrasound scanning process of a patient. The system comprises a portable housing containing ultrasound electronics of a complete ultrasound scanning system including a beamformer that regulate and control operation of the scanning system.
Breast ultrasound scanning device
An apparatus and a method are disclosed for obtaining ultrasound images of a patient's breast that is chestwardly compressed with a template that is essentially planar and rotates relative to the breast while one or more ultrasound transducers moving with the template take 2d images of the breast through one or more respective radially oriented slots in the template, preferably through a membrane that is porous to a gel. The 2d images are processed into slice images representing breast slices of desired thicknesses and orientation that are displayed alone or with some of the 2d images, preferably pairs of orthogonally disposed 2d images..