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WO/2011/130325 |
Despite many practical limitations imposed by mobile device platforms and application execution environments, vocal musical performances may be captured and continuously pitch-corrected for mixing and rendering with backing tracks in way...
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WO/2011/120147 |
A sensing device for detecting a physical parameter exemplified by pressures, strains, temperatures, indices of refraction, and combinations thereof. The sensing device comprises a probe having a housing for sealably mounting therein an ...
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WO/2011/119335 |
The invention provides a signal processor that receives a signal containing information about an acoustic signal that is generated by at least one acoustic transmitter, that travels through an aerated fluid in a container, and that is re...
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WO/2011/119348 |
Systems and methods of measuring pressure of fluid in a disposable IV set connected to a fluid supply pump is disclosed. At least one sensing arrangement coupled to the fluid supply pump is provided. A chamber having a movable element is...
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WO/2011/119348 |
Systems and methods of measuring pressure of fluid in a disposable IV set connected to a fluid supply pump is disclosed. At least one sensing arrangement coupled to the fluid supply pump is provided. A chamber having a movable element is...
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WO/2011/114320 |
A self-contained, remotely interrogatable, autonomously positionable, pressure probe (20) set from which the volume fraction of a gaseous target-analyte (VA) in a mass, susceptible to changes in both total pressure of the mass (PT) and c...
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WO/2011/106184 |
In one aspect, the present invention provides a hermetically sealed fiber sensing cable comprising: a core fiber comprising at least one Bragg grating region, an outer surface and a length; a fiber cladding in contact with the core fiber...
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WO/2011/091811 |
A self-contained, remotely interrogatable, autonomously positionable, pressure probe and methods of manufacturing and using. The probe (10) includes (i) a hermetically sealed, flexible, gas impermeable sachet (50) capable of equilibriati...
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WO/2011/061309 |
The invention relates to the field of fiber structures, preferably adapted for use with fiber Bragg gratings in sensors. The fiber structure comprises a core and a cladding surrounding the core, a central micro structure (1) comprising a...
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WO/2011/058314 |
Fibre optic cables with improved performance for use in distributed sensing, for instance in distributed acoustic sensors, are disclosed. In one embodiment a fibre optic cable (210) comprises a core (208) and cladding (206) disposed with...
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WO/2011/045006 |
An optical fiber (FD) that can be used for measuring pressure is arranged as follows. The optical fiber (FD) comprises a core (CO) and a cladding (CL) surrounding and contacting the core (CO). A stress-applying arrangement (SE1, SE2), wh...
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WO/2011/045283 |
The invention relates to an ultrasonic measuring device (1) having a measuring body (3)that comprises a measurment end (6), having at least one ultrasonic transmitter (8) for coupling ultrasonic measurement signals into the measurement b...
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WO/2011/018355 |
The invention relates to a pressure-sensitive paint having luminescent pyrene dye embedded in a matrix, the luminescence thereof being a function of the partial oxygen pressure above a surface of the paint, wherein the pyrene dye is a py...
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WO/2011/006260 |
A superstructure fiber Bragg gratings (FBG) by laser-assisted direct writing of on-fiber metallic films. A laser direct write method is used to fabricate periodic films of silver nanoparticles on the non-planar surface of as-fabricated F...
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WO/2010/144113 |
This disclosure describes a fiber optic based pressure transducer that detects position of a heated end of a Bourdon tube under pressure. This movement can be calibrated to provide an accurate pressure reading. The temperature change in ...
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WO/2010/142410 |
The invention relates to a method for integrating an optical waveguide (3) of a temperature sensor and/or strain sensor into a temperature and/or strain measuring component (1) made of a base material (2), onto which a coating (5) is app...
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WO/2010/144113 |
This disclosure describes a fiber optic based pressure transducer that detects position of a heated end of a Bourdon tube under pressure. This movement can be calibrated to provide an accurate pressure reading. The temperature change in ...
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WO/2010/139934 |
An optical fibre cable for distributed fibre sensing of fluid pressure is disclosed. There are also disclosed a method and an apparatus for distributed fibre sensing of fluid pressure using the optical fibre cable. The optical fibre cabl...
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WO/2010/141723 |
A transducer including a housing; one or more pressure communicating configurations disposed within the housing; one or more selected pressure chambers in operable communication with the one or more pressure communicating configurations;...
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WO/2010/141723 |
A transducer including a housing; one or more pressure communicating configurations disposed within the housing; one or more selected pressure chambers in operable communication with the one or more pressure communicating configurations;...
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WO/2010/136154 |
The invention relates to a method for optical pressure measurement of a gas in a closed container by deflecting radiation of an emitter through the container and measuring the transmitted radiation by means of a detector, wherein the rad...
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WO/2010/129806 |
Several aspects of the volume gauge may be implemented with a pressure sensing system and/or a motion sensing system. The pressure sensing system for volume measurements may include a chamber, a pressure changing device, a pressure sensi...
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WO/2010/129806 |
Several aspects of the volume gauge may be implemented with a pressure sensing system and/or a motion sensing system. The pressure sensing system for volume measurements may include a chamber, a pressure changing device, a pressure sensi...
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WO/2010/124400 |
The present invention provides a microscale pressure sensor that exhibits high sensitivity in a small form factor. The sensor is a bridged device in which a photonic crystal waveguide, surrounded by a photonic crystal slab, is suspended ...
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WO/2010/114650 |
A fiber sensor (130) package is disclosed. The fiber sensor package includes an interconnection (138) between a first optical fiber (132) and a second optical fiber (136) within a tubing (140) such that the first and second optical fiber...
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WO/2010/114650 |
A fiber sensor (130) package is disclosed. The fiber sensor package includes an interconnection (138) between a first optical fiber (132) and a second optical fiber (136) within a tubing (140) such that the first and second optical fiber...
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WO/2010/094572 |
The invention relates to the detection of pressure fluctuations in a hot medium (130), for example, in a combustion chamber of a gas turbine. In the method according to the invention, a flexible element (210) is used that is deflected fr...
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WO/2010/091554 |
A method of pitch period detection and a corresponding device are presented in the field of speech processing. The method includes: detecting the pitch for an input signal in the signal field to obtain a candidate pitch period; performin...
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WO/2010/089052 |
The invention relates to a sensor bolt 13 for measuring force and a ground conveyor having the same. The sensor bolt 13 comprises a sensor element 1 made of a material having light transmission properties varying as a function of externa...
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WO/2010/089052 |
The invention relates to a sensor bolt 13 for measuring force and a ground conveyor having the same. The sensor bolt 13 comprises a sensor element 1 made of a material having light transmission properties varying as a function of externa...
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WO/2010/054676 |
The invention relates to a pressure transducer for process instrumentation and to a method for measuring pressure using a pressure transducer having a pressure sensor (1) with a diaphragm (2), on one side of which the pressure (P) to be ...
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WO/2010/017599 |
A method and system for assessing the condition of a pipe carrying a fluid is disclosed. The method includes the steps of generating a pressure wave in the fluid being carried along the pipe and detecting a pressure wave interaction sign...
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WO/2010/002783 |
Disclosed herein is a carrier for an optical fiber having a plurality of optical sensors located thereon. The carrier has a test section comprising a cavity and at least one geometric discontinuity, wherein in response to a pressure appl...
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WO/2010/002783 |
Disclosed herein is a carrier for an optical fiber having a plurality of optical sensors located thereon. The carrier has a test section comprising a cavity and at least one geometric discontinuity, wherein in response to a pressure appl...
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WO/2010/002783 |
Disclosed herein is a carrier for an optical fiber having a plurality of optical sensors located thereon. The carrier has a test section comprising a cavity and at least one geometric discontinuity, wherein in response to a pressure appl...
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WO/2009/140767 |
A optical fibre sensing device for detecting physical parameters such as pressures, strains and temperatures. The sensing device comprises a probe housing therein an optical fibre. The distal end of the probe houses a distal portion of t...
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WO/2009/121000 |
A method for detecting blast induced pressure changes includes exposing a material, a contained solution, a membrane-bound solution, or a photonic crystal material, having a first optical property, to a pressure wave having a blast level...
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WO/2009/115501 |
The invention generally pertains to the field of optical fibre sensors including at least one measurement optical fibre (10) containing an optically-pumped doped amplification medium (11) having optical characteristics that are sensitive...
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WO/2009/111827 |
The present disclosure provides an optical device comprising a first optical fibre portion having a first region and further regions between which the first region is positioned. The optical device also comprises a second optical fibre p...
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WO/2009/110295 |
In order to judge the acceptability of internal pressure of a can accurately based on the displacement of the can a pair of displacement sensors (2, 3) facing each other coaxially are arranged perpendicularly to the carrying direction of...
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WO/2009/097940 |
A method and an apparatus for determining a pressure (PProbe) of a fluid (Fprobe), comprising the steps of : a) providing a vacuum tight welded housing (10, 12); b) providing within the housing (10, 12) a first membrane (16) enclosing a ...
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WO/2009/056853 |
An apparatus for monitoring physical parameters of a structure, comprises a clamp that in use is placed to embrace the structure to be monitored; and a strain sensor attached to the clamp an arranged so as to detect strain in the directi...
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WO/2009/016626 |
A system and method for externally measuring pressure of fluids contained in sealed vessels is provided. The system has a plurality of pressure sensing devices (PSDs), of which one or more PSDs are mounted onto the external surface of an...
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WO/2009/013235 |
The invention relates to a stress gauge of the type having an acoustic resonant structure, including a piezoelectric transducer (10) connected to a holder (20), the holder (20) including opposite the piezoelectric transducer (10) an imbe...
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WO/2009/010319 |
The invention relates to a method for measuring out the admission pressure in a first infinitely variable, electromagnetically actuated hydraulic valve (2, 2') to precisely control the pressure in a pressure circuit (13). According to sa...
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WO/2009/010319 |
The invention relates to a method for measuring out the admission pressure in a first infinitely variable, electromagnetically actuated hydraulic valve (2, 2') to precisely control the pressure in a pressure circuit (13). According to sa...
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WO/2009/006944 |
A pressure sensor (16) with at least one pressure sensing element (3, 4), the pressure induced changes in the optical properties of which are evaluated by illuminat ion (2) with at least one light source (1) is described. The pressure se...
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WO/2009/006938 |
A pressure sensor (18) with at least one optical sensing element (10) is disclosed, the pressure induced changes in the birefringent properties of which are read out by transmission of at least one light beam (2, 21). The pressure sensor...
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WO/2008/144784 |
The invention relates to a method for localizing and tracking acoustic sources (101) in a multi-source environment, comprising the steps of recording audio-signals (103) of at least one acoustic source (101) with at least two recording m...
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WO/2008/112220 |
Apparatus, methods, and other embodiments associated with monitoring combustion dynamics in a gas turbine engine environment are described herein. In one embodiment of a system for monitoring combustion dynamics in a gas turbine engine e...
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