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Transducer patents



      
           
This page is updated frequently with new Transducer-related patent applications. Subscribe to the Transducer RSS feed to automatically get the update: related Transducer RSS feeds. RSS updates for this page: Transducer RSS RSS


Method and apparatus for delivering a substance

Methods for positioning an ultrasonic catheter

Date/App# patent app List of recent Transducer-related patents
08/14/14
20140229177
 Efficient incremental modification of optimized finite-state transducers (fsts) for use in speech applications patent thumbnailEfficient incremental modification of optimized finite-state transducers (fsts) for use in speech applications
Methods of incrementally modifying a word-level finite state transducer (fst) are described for adding and removing sentences. A prefix subset of states and arcs in the fst is determined that matches a prefix portion of the sentence.
08/14/14
20140228715
 Method and apparatus for delivering a substance patent thumbnailMethod and apparatus for delivering a substance
A method of delivering a substance includes providing a substance at a location in a gastrointestinal (gi) tract, excluding a buccal membrane, of a biological body; and applying ultrasonic waves, having a frequency between about 20 khz and about 10 mhz, at the location. The method can include storing the substance in at least one reservoir and exposing a medium within or of the gi tract to the substance.
08/14/14
20140228679
 Methods for positioning an ultrasonic catheter patent thumbnailMethods for positioning an ultrasonic catheter
An emitter may be disposed in a patient. Output from the emitter may be detected by a detector connected with the guide rod and by a detector connected with the tracheal tube.
08/14/14
20140228414
 Novel inhibitors of proliferation and activation of signal transducer and activator of transcription (stats) patent thumbnailNovel inhibitors of proliferation and activation of signal transducer and activator of transcription (stats)
Pyridine compounds effective in modulation stat3 and/or stat5 activation are provided that are useful in the prevention and treatment of proliferative disease and conditions including cancer, inflammation and proliferative skin disorders.. .
08/14/14
20140228078
 Motor vehicle noise management patent thumbnailMotor vehicle noise management
A device and method that is configured to control the operation of a motor vehicle cabin active sound management (asm) system that uses an asm controller to control operation of one or more sound transducers that transmit audio signals in the cabin so as to alter vehicle powertrain-related sounds in the cabin, wherein the motor vehicle further comprises a mobile telephone system that is configured to receive incoming mobile telephone calls and transmit outgoing mobile telephone calls. The device can include a controller that is configured to receive from the mobile telephone system an indication that a mobile telephone call is incoming or an outgoing call is being initiated.
08/14/14
20140226849
 Long-throw acoustic transducer patent thumbnailLong-throw acoustic transducer
An acoustic transducer includes a housing, which may be a circular cylinder or may have a rectangular cross-section. Two permanent magnets that closely fit the inside of the housing are joined by a linkage having a high magnetic permeability to form a piston that is inserted into the housing.
08/14/14
20140226450
 Near-field transducer patent thumbnailNear-field transducer
An apparatus includes a waveguide core having an elongated edge parallel to a substrate plane of the apparatus. An output end of the waveguide core faces a media-facing surface of the apparatus.
08/14/14
20140226235
 Methods for formatting and using linear recording media having a reduced servo band width patent thumbnailMethods for formatting and using linear recording media having a reduced servo band width
Methods for formatting and using a linear magnetic recording medium. The medium in one embodiment has a servo band having a width b that is less than or equal to about 1.2 b/n, where n is an integer greater than or equal to 2, and b corresponds to a distance between data read/write transducers of a magnetic head usable with the medium in a direction transverse to a longitudinal length of the medium..
08/14/14
20140225872
 Method and a touch  sensing device for implementing the method patent thumbnailMethod and a touch sensing device for implementing the method
The present invention relates to a method for determining an acoustic response attributed to a location of an impact, in particular a touch event, on a surface of an object including at least one transducer comprising the steps of: a) receiving an acoustic signal from at least one transducer, wherein the signal corresponds to a predetermined excitation (e) at at least one location on the surface; b) determining an acoustic response based on the acoustic signal received in step a); and c) determining the acoustic response attributed to at least one location on the surface different to the location of the predetermined excitation based on at least two different acoustic responses determined in step b).. .
08/14/14
20140225736
 System and method of detecting sleep disorders patent thumbnailSystem and method of detecting sleep disorders
An apparatus for detecting sleep disorders, such as obstructive sleep apnea, includes a housing insertable into an ear canal of a subject. A sensor disposed within the housing measures a position of the subject's head relative to an axis of gravity.
08/14/14
20140225476
Systems and methods for harmonic reduction in capacitive micromachined ultrasonic transducers by gap feedback linearization
Systems and methods for providing increased cmut imaging performance are disclosed. The system can comprise cmut electronics with integrated or derived gap feedback.
08/14/14
20140224961
Light sensor
A light sensor is provided that includes an exposed light transducer for accumulating charge in proportion to light incident thereon over an integration period; and a light-to-pulse circuit in communication with the exposed light transducer, the light-to-pulse circuit operative to output a pulse having a pulse width based on the charge accumulated by the exposed light transducer. The light-to-pulse circuit may include a one shot logic circuit that contributes to generation of the pulse.
08/14/14
20140224100
Digital aerophones and dynamic impulse response systems
Method and apparatus for playing existing aerophone musical instruments e.g. Bagpipe or constructing new instruments or more general human interaction devices by continuous estimation of the impulse response of the acoustic system of the instrument with the use of probing signal.
08/14/14
20140224024
Ultrasonic testing method of wheel
An ultrasonic testing apparatus includes an array probe 3 disposed to face a flange-side rim face 16 of a wheel 1. The ultrasonic testing apparatus also includes an array flaw detector having a function of transmitting transmission-reception control signals to the array probe, and a personal computer having a function of setting various parameters for the array flaw detector, and receiving signals from the array flaw detector so as to generate images such as an a-scope image and a b-scope image.
08/14/14
20140224023
Ultrasound generating apparatus, and methods for generating ultrasound
Ultrasound generating apparatus (10) comprises an arbitrary waveform generator (12) to provide a waveform output at (14), representing a waveform. A power amplifier (16), which may be an operational amplifier, is operable to amplify the waveform output (14) in power and amplitude to provide a power output (18) for applying to an ultrasonic transducer (20)..
08/14/14
20140223958
Clathrate desalination process using an ultrasonic actuator
A freeze desalination process uses cyclopentane (“c5h10”) (14) as an agent for the formation of a gas hydrate as a clathrate (13). A crystallizer vessel (10) containing a mixture of seawater (11) and diffuse bubbles (18) of c5h10 is cooled to allow a gas hydrate phase to form.
08/07/14
20140222365
Measuring transducer having two transmission channels
The inventions herein include a measuring transducer, having a first transmission channel which conditions an analogue measurement input signal in an analogue manner and makes it available as a conditioned measurement signal. In addition, the measuring transducer may have a second transmission channel which conditions the analogue measurement input signal and makes it available as an influencing signal, wherein the conditioned measurement signal and the influencing signal are combined and made available as a measurement output signal.
08/07/14
20140222052
Transducer/waveguide engagement mechanisms for ultrasonic surgical instruments
An ultrasonic surgical instrument includes a transducer assembly having a distal engagement member and configured to supply ultrasonic energy. A waveguide defines a longitudinal axis and has a proximal engagement member configured to threadingly engage the distal engagement member.
08/07/14
20140221842
System and method for frequency domain photoacoustic intravascular imaging
A photoacoustic device capable of performing both intravascular photoacoustic (“ivpa”) imaging and intravascular ultrasound imaging is provided. The device includes one or more optical fibers coupled to a transducer assembly that includes an photoacoustic transducer and optionally an ultrasound transducer.
08/07/14
20140221840
Ultrasound transducer, ultrasound probe including the same, and ultrasound diagnostic equipment including the ultrasound probe
Provided are an ultrasound transducer, an ultrasound probe including the ultrasound transducer, and ultrasound diagnostic equipment including the ultrasound probe. The ultrasound transducer includes a piezoelectric unit including a plurality of piezoelectric elements which vibrate to convert ultrasound waves into electrical signals and electrical signals back into ultrasound waves, and a dummy piezoelectric unit which is disposed at edges of the effective piezoelectric unit and includes a plurality of dummy piezoelectric elements which vibrate due to vibration of the piezoelectric unit..
08/07/14
20140221839
Transformer-based multiplexer for ultrasound imaging system and method
A low-loss high-voltage multiplexer is implemented using a transformer that is connected to one transmitter, one receiver and transducer elements. At least one primary winding is magnetically coupled at least two secondary windings.
08/07/14
20140221825
Real-time 3-d ultrasound reconstruction of knee and its implications for patient specific implants and 3-d joint injections
Methods and apparatus for treating a patient. The method includes acquiring a plurality of radio frequency (rf) signals with an ultrasound transducer, each rf signal representing one or more return echoes from a scan line of a pulse-mode echo ultrasound scan.
08/07/14
20140221729
Automatic gain control for implanted microphone
A method for use in an implantable hearing instrument, including receiving an output signal from an implanted microphone implanted in a person, identifying a first characteristic of said output signal, based on said first characteristic, amplifying said microphone output signal by at least one of a plurality of gain settings to produce an amplified signal, wherein said plurality of gain setting comprise at least two different gain settings, inputting said amplified signal into a signal processor, processing said amplified signal to generate a transducer drive signal; and using said transducer drive signal to drive implanted auditory stimulation device implanted in a person to stimulate an auditory component.. .
08/07/14
20140219603
Optical interconnect assembly
An optical assembly includes a substrate with a first row of apertures and a second row of apertures. A first optical die includes a first plurality of optical transducer elements and is mounted on the substrate such that an optical signal interface of each transducer element is aligned with an aperture of the first row of optical apertures.
08/07/14
20140219530
System and method for acquiring optoacoustic data and producing parametric maps using subband acoustic compensation
A method is disclosed for generating sinograms by sampling transducers acoustically coupled with a surface of a volume after a pulse of light, each transducer being associated with a channel in an optoacoustic imaging system, and processing at least two multi-channel sinograms, each corresponding to a different one of the at least two different predominant wavelengths, to create at least two processed sinograms. The processing step includes a step of sub-band acoustic compensation.
08/07/14
20140219490
Acoustic layer in media device providing enhanced audio performance
An acoustic layer is added to a laptop-type personal computing device, comprising: enclosing walls, optionally—one or more microphones, a signal processing device, at least one audio transducer, and an acoustic waveguide. The acoustic layer adjoins one or more internal areas of a laptop-type device.
08/07/14
20140219063
Micromachined ultrasonic transducer devices with metal-semiconductor contact for reduced capacitive cross-talk
Embodiments reduce capacitive cross-talk between micromachined ultrasonic transducer (mut) arrays through grounding of the substrate over which the arrays are fabricated. In embodiments, a metal-semiconductor contact is formed to a semiconductor device layer of a substrate and coupled to a ground plane common to a first electrode of the transducer elements to suppress capacitive coupling of signal lines connected to a second electrode of the transducer elements..
08/07/14
20140219062
Cmos ultrasonic transducers and related apparatus and methods
Cmos ultrasonic transducers and processes for making such devices are described. The processes may include forming cavities on a first wafer and bonding the first wafer to a second wafer.
08/07/14
20140219061
Signal processing device, signal processing method, recording medium, and program
A reception bf unit calculates a phase difference indicating a relative positional shift between a plurality of transducers based on a difference between each phase difference of a signal of a reflective wave in each of a plurality of transducers of an ultrasonic wave transmitted from a transducer being a transmission target out of a plurality of transducers, relative positions of which are not fixed, and each known phase difference of the signal of the reflective wave in a plurality of transducers in a case in which an arrangement of a plurality of transducers is a reference arrangement. A delay calculating unit calculates a delay amount of each of a plurality of transducers used in the beam forming based on the phase difference calculated by a phase difference calculating unit.
08/07/14
20140218225
System and method for ground penetrating radar communication using antenna crosstalk
An object detection system (24) is disclosed having a transducer (40, 40′) for detecting buried objects (26). The transducer is encapsulated within a robust, electromagnetically transparent construction (42)..
08/07/14
20140217854
Ultrasonic transducer
An ultrasonic transducer as an important part of an ultrasonic flow meter is described, with a transducer housing and with a transducer element, the transducer housing having an ultrasound window and a housing tube, the transducer element being made for sending or receiving ultrasonic waves and being either near the ultrasound window of the transducer housing or away from the ultrasound window of the transducer housing, there being a relatively soft mechanical coupling system and the mechanical coupling system having preferably at least one weakly coupled mechanical resonator. The ultrasonic transducer is improved with respect to the prevention of the transmission of housing waves by there being a second soft mechanical coupling system..
08/07/14
20140217478
Cmos ultrasonic transducers and related apparatus and methods
Cmos ultrasonic transducers and processes for making such devices are described. The processes may include forming cavities on a first wafer and bonding the first wafer to a second wafer.
08/07/14
20140217176
Method for interaction of a data carrier with an end device
A method is provided for interaction of a portable data carrier with an end device. The data carrier comprises a transducer arrangement having at least one or a set of capacitive transducer elements which are arranged on or in the data carrier at defined positions in relation to the geometry of the data carrier, at least one contactless interface, and a dedicated energy supply.
08/07/14
20140216992
Microfluidic ultrasonic particle separators with engineered node locations and geometries
An ultrasonic microfluidic system includes a separation channel for conveying a sample fluid containing small particles and large particles, flowing substantially parallel, adjacent to a recovery fluid, with which it is in contact. An acoustic transducer produces an ultrasound standing wave, that generates a pressure field having at least one node of minimum, pressure amplitude.
08/07/14
20140216508
System, apparatus and method for processing substrates using acoustic energy
A system, apparatus and method for processing substrates using acoustic energy. In one aspect, the invention can be a system for processing flat articles comprising: a support supporting a flat article; a dispenser applying liquid to a first surface of the flat article; a transducer assembly comprising: a transmitting structure having a longitudinal axis; a first set of transducers acoustically coupled to the transmitting structure in a spaced apart manner on a first side of the longitudinal axis; a second set of transducers acoustically coupled to the transmitting structure in a spaced apart manner on a second side of the longitudinal axis; the transducers of the first and second sets staggered along the longitudinal axis; and wherein when the dispenser applies liquid to the first surface of the flat article, a film of liquid is formed between the transmitting structure and the first surface of the flat article..
08/07/14
20140216167
Flow meter with protruding transducers
The invention relates to an ultrasonic flow meter arranged to measure a flow rate of a liquid, the flow meter comprises a flow tube 2, optionally a measurement insert, and two or more ultrasonic transducers 8 which are arranged in transducer inserts 20 to be inserted into the flow tube through openings in the flow tube. The transducer inserts are formed monolithically with the housing as a part of the bottom of the housing.
08/07/14
20140216161
Capacitive ultrasonic transducer
In order to achieve an improved construction by means of which increased temperature resistance up to several hundred degrees celsius can be achieved even in strongly oxidizing and reducing media, the membrane provided as a sound generated is subjected to tensile stress in the planar direction.. .
08/07/14
20140216121
Rolling mill, and device and method for determining the rolling or guiding gap of the roll stands or guide stands in a multi-stand rolling mill
A method for determining the rolling or guiding gap of the roll stands or guide stands in a multi-stand rolling mill positions a comparison scale at at least one stand, preferably at the first and the last stand, and subsequently the rolling or guiding gap of the respective stand is determined. In this method, a camera is arranged at one of the input or output sides and a transmitter for a reference device, a reference transducer and/or a reference scale is arranged at the other of the input or output sides before the comparison scale is positioned, such that adjustment operations at the camera can subsequently be avoided..
08/07/14
20140215784
Method for manufacturing a high-temperature ultrasonic transducer using a lithium niobate crystal brazed with gold and indium
A process for manufacturing a high-temperature ultrasonic transducer, said transducer comprising a steel or metal top electrode, a piezoelectric converter, a steel or metal support ensuring the interface between the converter and the propagation medium of the acoustic waves, a first joint between the support and the piezoelectric crystal, and a second joint between the converter and the top electrode, comprises, to produce said gold-and-indium-based joints, a brazing and diffusing operation comprising the following steps: a first step of increasing temperature to a first temperature comprised between about 150° c. And about 400° c.
07/31/14
20140214206
Device for providing tactile feedback for robotic apparatus using actuation
A haptic feedback system includes a transducer that presses an actuator against an operator's skin with a force corresponding to a sensed parameter. Embodiments provide a simulated sense of touch corresponding to actual interactions between a robotic system and an environment.
07/31/14
20140214028
Medical device for use in bodily lumens, for example an atrium
A device positionable in a cavity of a bodily organ (e.g., a heart) may discriminate between fluid (e.g., blood) and non-fluid tissue (e.g., wall of heart) to provide information or a mapping indicative of a position and/or orientation of the device in the cavity. Discrimination may be based on flow, or some other characteristic, for example electrical permittivity or force.
07/31/14
20140213939
Treatment apparatus for external application to a mammal body
A treatment apparatus for external application to a mammal body, comprising a housing, a transducer element, adapted to provide an output towards and/or into the mammal body, a switch element, adapted to activate the transducer element in accordance with a first predetermined condition and deactivate the transducer element in accordance with a second predetermined condition, a feedback element, adapted to provide at least one first feedback signal in response at least a third predetermined condition, and a resilient coupling element, adapted to operatively couple the transducer element to said housing.. .
07/31/14
20140213927
Physiologic change sensor probe
Embodiments of the present invention are directed to a temperature sensing device that can comprise an elastic ring structure. The temperature sensing device can further comprise a transducer device, such as a temperature sensor, and a microprocessor, memory and wireless transmitter.
07/31/14
20140213907
3d catheter-based ultrasound assembly with gimbal-mount transducer and single-coil drive
Described are embodiments of devices and methods for imaging a body conduit, such as a blood vessel. In particular embodiments, the catheter has a chamber within which is a transducer mounted to a pivot mechanism.
07/31/14
20140213904
Intra-fraction motion management system
The present invention relates to the field of radiation therapy. In particular, the invention concerns systems and methods for monitoring intra-fraction motions of patients in connection with treatment cancer in radiation therapy system.
07/31/14
20140213894
Medical device for use in bodily lumens, for example an atrium
A device positionable in a cavity of a bodily organ (e.g., a heart) may discriminate between fluid (e.g., blood) and non-fluid tissue (e.g., wall of heart) to provide information or a mapping indicative of a position and/or orientation of the device in the cavity. Discrimination may be based on flow, or some other characteristic, for example electrical permittivity or force.
07/31/14
20140211953
Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (anc)
A personal audio device, such as a wireless telephone, includes noise canceling circuit that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise signal into the speaker or other transducer output to cause cancellation of ambient audio sounds. An error microphone may also be provided proximate the speaker to measure the output of the transducer in order to control the adaptation of the anti-noise signal and to estimate an electro-acoustical path from the noise canceling circuit through the transducer.
07/31/14
20140211949
Sound field reproduction
In a system and method for reproducing a sound field the orientation of a computing device may be detected. Several orientation indications may be used to detect the computing device orientation.
07/31/14
20140211588
Ultrasonic holography imaging system and method
An ultrasonic holography imaging system and method are provided. The ultrasonic holography imaging system includes an ultrasonic transducer array coupled to an analog processing section.
07/31/14
20140211339
Write precompensation for head misalignment
Misalignment of a transducer head over a bit-patterned media (bpm) may cause a bit to experience conflicting magnetization forces from the writer, resulting in improperly written data and stored data corruption. The likelihood of data corruption is reduced when a write transition is performed when the write sync margin is increased or maximized.
07/31/14
20140210913
Method of forming electromechanical transducer film, electromechanical transducer film, electromechanical transducer element, and liquid discharge head
Disclosed is an electromechanical transducer film forming method including a surface modification process; an application process; and processes of drying, thermally decomposing, and crystallizing sol-gel solution applied to a portion of a surface of a first electrode. An electromechanical transducer film is formed on a desired pattern area on the surface of the first electrode by repeating the above processes.
07/31/14
20140210787
Combination touch and transducer input system and method
A combination touch and transducer input system is provided, which facilitates user input into an electronic system with a finger and/or a transducer (e.g., a stylus). The system includes a transducer configured to generate an electric field, and a sensor including an array of electrodes and a controller.
07/31/14
20140210785
Combination touch and transducer input system and method
A combination touch and transducer input system is provided, which facilitates user input into an electronic system with a finger and/or a transducer (e.g., a stylus). The system includes a transducer configured to generate an electric field, and a sensor including an array of electrodes and a controller.
07/31/14
20140210783
Combination touch and transducer input system and method
A combination touch and transducer input system is provided, which facilitates user input into an electronic system with a finger and/or a transducer (e.g., a stylus). The system includes a transducer configured to generate an electric field, and a sensor including an array of electrodes and a controller.
07/31/14
20140210782
Combination touch and transducer input system and method
A combination touch and transducer input system is provided, which facilitates user input into an electronic system with a finger and/or a transducer (e.g., a stylus). The system includes a transducer configured to generate an electric field, and a sensor including an array of electrodes and a controller.
07/31/14
20140210115
Fan assembly
Humidifying apparatus includes a chamber, and a water tank for supplying water to the chamber. A baffle located within the chamber divides the chamber into an inlet section and an outlet section, and guides water received from the water tank along the inlet section to the outlet section.
07/31/14
20140209097
Apparatus and method for relieving dyspnoea
Apparatus for relieving dyspnoea in an ambulatory exercising subject comprises a housing to be worn on the subject, and within which a variable speed air blower motor is located for delivering an air supply to the subject through a mouthpiece at a pressure similar to average intrinsic positive end-expiratory pressure of the subject. A pressure transducer in the mouthpiece monitors the pressure during breathing cycles of the subject, and a control circuit determines the average intrinsic positive end-expiratory pressure of the subject over five breathing cycles.
07/31/14
20140208866
Ultrasonic transducer
An ultrasonic transducer has a transducer housing having an ultrasound window, a housing tube and a housing flange, a transducer holder for holding the transducer housing, a transducer element with an ultrasonic flow rate measuring transducer that is positioned at an end of the housing tube of the transducer, and an opposing flange clamping the housing flange of the transducer housing to a holder flange of the transducer holder together with retraining screws and lock nuts. A side of the housing flange of the transducer housing facing the opposing flange has an outer contour which enables bracing of the opposing flange against the housing flange without tilting or bending of the housing flange..
07/31/14
20140208854
Unit consisting of an ultrasonic transducer and a transducer holder
An ultrasonic transducer and a transducer holder for preventing the transmission of housing waves has a decoupling ring between a housing flange of a transducer housing and a holder flange of the transducer holder. Preferably, there is a gasket between the housing flange of the transducer housing and the decoupling ring in addition to a gasket between the decoupling ring and the holder flange of the transducer holder..
07/31/14
20140208852
Measuring wall thickness loss for a structure
Systems, methods and computer storage mediums accurately measure wall thickness in a region of interest included in complex curved structures. Embodiments of the present disclosure relate to generating a wall thickness loss distribution map of a region of interest that provides an accurate representation of wall thickness for the region of interest included in a complex curved structure.
07/24/14
20140207210
Optmizing energy transmission in a leadless tissue stimulation system
Method and systems for optimizing acoustic energy transmission in implantable devices are disclosed. Transducer elements transmit acoustic locator signals towards a receiver assembly, and the receiver responds with a location signal.
07/24/14
20140207051
Method and apparatus for controlling ultrasound system
Provided are an ultrasound system and methods that deliver medication through skin by using multiple frequencies. The method to deliver medication through skin include irradiating the skin with ultrasound having a first frequency to cavitate a skin tissue; irradiating the skin with ultrasound having a second frequency, which is lower than the first frequency, to collapse the cavitated tissue; and delivering the medication through the collapsed tissue, wherein a single transducer is configured to produce the ultrasound having the first frequency and the ultrasound having the second frequency..
07/24/14
20140207002
Ring laser for use with imaging probe as a safe margin indicator
A surgical imaging apparatus is disclosed, and includes an elongate body having a proximal portion and a distal portion and including at least one ultrasonic transducer. The surgical imaging apparatus also includes at least one light source being operatively coupled with the elongate body and configured to move relative to the elongate body.
07/24/14
20140207001
Ultrasonic probe and ultrasonic medical system adopting the same
An ultrasonic probe and a medical system adopting the same. The ultrasonic probe includes at least one support plate having a first state of being folded and a second state of being unfolded.
07/24/14
20140206978
Probe with optoacoustic isolator
An optoacoustic probe including an ultrasound transducer array, an acoustic lens and a light path separated from the transducer array by an isolator to mitigate light energy from the light path from reaching the transducer array. The isolator being formed from a mixture including a flexible carrier, a coloring and between 10% and 80% by volume micro-bubbles.
07/24/14
20140206927
Apparatus and method for spatially selective interventional neuroparticles
An apparatus and method are provided for spatially-selective administration of actions by at least one device in the body using a transducer that is sensitive to a spatially-variant energy field imposed on the at least one device by a source external to a subject's body; and at least one component in the at least one device, wherein interaction of the transducer with the imposed spatially-variant energy field causes or enables at least one component in the at least one device to affect nearby tissues in the body.. .
07/24/14
20140206890
Vegetable oil extraction
A method of extracting recovering oil from vegetable material in which oil bearing material is heated and subjected to sonication at least one frequency above 400 khz, removing a first yield of oil by decanting and subjecting the retained material to centrifugal separation to separate out a second yield of oil. Preferably the raw vegetable material is passed through a screw press and the obtained material is heated and subjected to the ultrasonic treatment and then allowed to settle for a predetermined period before decanting the oil layer.


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