Patent application number | Description | Published |
20090296525 | NOISE SUPPRESSION FOR DETECTION AND LOCATION OF MICROSEISMIC EVENTS USING A MATCHED FILTER - A method for determining presence of seismic events in seismic signals includes determining presence of at least one seismic event in seismic signals corresponding to each of a plurality of seismic sensors. A correlation window is selected for each of the plurality of seismic signals. Each correlation window has a selected time interval including an arrival time of the at least one seismic event in each seismic signal. Each window is correlated to the respective seismic signal between a first selected time and a second selected time. Presence of at least one other seismic event in the seismic signals from a result of the correlating. | 12-03-2009 |
20100238765 | RESERVOIR CHARACTERIZATION FROM MULTICOMPONENT MICROSEISMIC DATA - A method for determining seismic anisotropy of subsurface rock formations includes measuring passive seismic signals at a plurality of locations above an area of the Earth's subsurface to be surveyed. The compressional- and shear-wave arrival times from at least one origin location of a seismic event occurring in the subsurface are determined from the measured seismic signals. The arrival times are inverted to obtain values of the seismic anisotropy parameters. | 09-23-2010 |
20100315902 | METHOD FOR IMAGING THE EARTHS SUBSURFACE USING PASSIVE SEISMIC INTERFEROMETRY AND ADAPTIVE VELOCITY FILTERING - A method of imaging the Earth's subsurface using passive seismic interferometry tomography includes detecting seismic signals from within the Earth's subsurface over a time period using an array of seismic sensors, the seismic signals being generated by seismic events within the Earth's subsurface. The method further includes adaptively velocity filtering the detected signals. The method further includes cross-correlating the velocity filtered seismic signals to obtain a reflectivity series at a position of each of the seismic sensors. | 12-16-2010 |
20100315903 | METHOD FOR PASSIVE SEISMIC EMISSION TOMOGRAPHY USING ADAPTIVE VELOCITY FILTER - A method for seismic event mapping includes adaptively velocity filtering seismic signals recorded at selected positions. The velocity filtered signals are transformed into a domain of possible spatial positions of a source of seismic events. An origin in spatial position and time of at least one seismic event is determined from space and time distribution of at least one attribute of the transformed seismic data. | 12-16-2010 |
20110044131 | Method for Passive Seismic Emission Tomography Including Polarization Correction for Source Mechanism - A method for seismic event mapping includes selecting a plurality of subvolumes representing possible locations of origin of a seismic event in the Earth's subsurface. For each subvolume a plurality of possible directions of motion of subsurface formations is selected. For each subvolume and each possible direction of motion, polarity correction is applied to seismic signals recorded at a plurality of positions proximate a volume of the Earth's subsurface to be evaluated. The polarity correction is based on the direction of motion and the position of each seismic sensor with respect to the subvolume. The recorded, polarity corrected seismic signal recordings are time aligned. The time aligned recordings are summed. A most likely direction of motion and subvolume position are determined based on a selected attribute of the summed, time aligned seismic signals. | 02-24-2011 |
20110242934 | PASSIVE SEISMIC DATA ACQUISITION AND PROCESSING USING MULTI-LEVEL SENSOR ARRAYS - A method for passive seismic surveying includes deploying seismic sensors in a plurality of spatially distributed wellbores disposed above a volume of subsurface formations to be evaluated. The sensors in each wellbore form a line of sensors. Each sensor generate optical or electrical signals in response to seismic amplitude. The seismic signals from each sensor are recorded for a selected period of time. The response of the seismic sensor recordings is beam steered to at least one of a selected point and a selected volume in the subsurface. At least one microseismic event is identified in the beam steered response. | 10-06-2011 |
20110286306 | DETERMINING ORIGIN AND MECHANISM OF MICROSEISMIC EVENTS IN THE EARTH'S SUBSURFACE BY DEVIATORIC MOMENT INVERSION - A method for locating origin time, origin location and source mechanism of seismic events occurring in a selected volume of subsurface formations includes calculating a travel time from each possible origin location to each of a plurality of seismic receivers disposed above the volume in a selected pattern. A signal amplitude is measured by each receiver for each possible origin time at each possible origin location. The signal amplitude is determined from the continuously recorded data by calculating travel time delays for each possible origin location and origin time. The deviatoric moment tensors are determined from the signal amplitudes by moment tensor inversion restricted to deviatoric moment tensors. A norm for each deviatoric moment tensor is generated. An origin time, origin position and source mechanism of a seismic event is determined wherein any norm exceeds a selected threshold. | 11-24-2011 |
20140288835 | METHOD FOR COMPUTING UNCERTAINTIES IN PARAMETERS ESTIMATED FROM BEAMFORMED MICROSEISMIC SURVEY DATA - A method for estimating uncertainties in determining hypocenters of seismic events occurring in subsurface formations according to one aspect includes determining estimates of event locations by choosing local peaks in summed amplitude of seismic energy detected by an array of sensors disposed above an area of the subsurface to be evaluated. For each peak, the following is performed: recomputing the summed amplitude response for a selected set of points of comprising small perturbations in time and space from the estimated event locations; computing second derivatives of log likelihood function from the stacked responses at the estimated location and the perturbed locations; assembling the second derivatives into a Fisher information matrix; computing an inverse of the Fisher information matrix; determining variances of estimated parameters from the elements from the diagonal of the inverted matrix; and computing standard deviations of the estimated parameters by calculating a square root of the variances. | 09-25-2014 |
Patent application number | Description | Published |
20100218773 | Apparatus and Method for Coupling an Oral Appliance to a Gas Delivery Device - According to one embodiment, an apparatus for coupling an oral appliance to a gas delivery device includes a post, a swivel, and first and second opposing clamps. The post includes a base configured to couple to the oral appliance; a first arm extending from the base and defining a channel extending along a portion of the first arm; and a second arm extending from the base, extending substantially parallel to the first arm, the second arm defining a channel extending along a portion of the second arm. The swivel is substantially spherical and is configured to position the gas delivery device. The first clamp is configured to engage and slide along the channel defined by the first arm and the second clamp is configured to engage and slide along the channel defined by the second arm. The first and second opposing clamps are together configured to position and secure the location and orientation of the swivel relative to the post. | 09-02-2010 |
20100263676 | Oral Appliance for Treating a Breathing Condition - An apparatus for use in treating a breathing condition includes a first dental arch, a second dental arch, two bodies coupled to the first dental arch, and two receivers coupled to the second dental arch. The first dental arch is configured to receive at least some of a wearer's teeth. The second dental arch is configured to receive at least some of a wearer's teeth. Each body includes a front stop, a rear stop, a threaded member, and a hook. The threaded member is configured to be coupled between the front stop and rear stop of the body and configured to rotate relative to the body. The hook comprises a threaded passage configured to engage the threaded member, and an arm configured to engage a second dental arch. The hook is configured to travel between the front stop and rear stop of the body in response to rotational adjustment of the threaded member to adjust the lower dental arch relative to the upper dental arch. Each receiver comprises a first rail configured to engage the arm of the hook of a respective one of the two bodies. The first rail is disposed exterior to an internal area defined by a span of the second dental arch. The two receivers are entirely disposed, with respect to each other, on opposite sides of a plane bisecting left and right halves of the second dental arch. | 10-21-2010 |
20100263677 | System for Coupling an Oral Appliance to a Medical Mask - In certain embodiments, an apparatus for treating a breathing condition includes an oral appliance, a mask, and a tensioning device. The oral appliance is configured to receive at least some of a wearer's teeth and a mask. The mask is configured to deliver gas to the wearer. The mask includes a chamber configured to cover the wearer's mouth. The chamber is at least partially enclosed by an interior of the mask. The tensioning device couples the mask to the oral appliance and includes a flexible tension element at least partially disposed between the oral appliance and the mask and within the chamber. The flexible tension element is configured to apply a tensile force between the mask and the oral appliance. | 10-21-2010 |
20100269835 | Oral Appliance for Treating a Breathing Condition - In certain embodiments, an apparatus for treating a breathing condition includes a body, a threaded member, a hook, and a receiver. The body comprises a front stop, a rear stop, and a guide extending between the stops. The threaded member couples between the stops and rotates relative to the body. The hook couples to the guide, comprises a threaded passage and an arm that engages a lower arch, and travels in a forward direction along the guide to adjust the position of the lower arch. The receiver couples to the lower arch and comprises a shelf that engages the arm of the hook. The apparatus may include an extender coupled to the receiver and providing a shelf that is more rearward than the shelf of the receiver. The apparatus may include a post that couples the apparatus to another device. In certain embodiments, a removable receiver, which may be one of a plurality of removable receivers with different dimensions, is removably positioned within a recess in a posterior surface of a lower arch and is engaged by a connector of an upper arch to define the relative positions of the arches. | 10-28-2010 |
20110088701 | Custom-Molded Oral Appliance and Method of Forming - A method for forming a custom-molded oral appliance for positioning a user's jaw proximate to centric occlusion is disclosed. The method includes heating a thin sheet of material comprising a polycaprolactone polymer. The thin sheet of material is positioned within the user's mouth. The user's jaw is positioned proximate to centric occlusion. The thin sheet of material is molded around at least respective portions of the user's upper and lower dental arches such that each of the respective portions of the user's upper and lower dental arches form respective impressions on opposite sides of the thin sheet of material. The thin sheet of material is transitioned to a substantially non-deformable state. | 04-21-2011 |
20110091834 | Dental Measurement Apparatus and System - An apparatus for measuring mandibular position is disclosed. In one embodiment, the apparatus comprises a first slide operable to adjustably couple to a second slide, such that the second slide is operable to travel in a direction substantially parallel to a long axis of the first slide, and an indicator configured to indicate a location of the second slide relative to the first slide in the direction substantially parallel to the long axis of the first slide. The apparatus further comprises an adjustment mechanism coupled to the first slide and the second slide, the adjustment mechanism configured to adjust the distance between the first slide and the second slide in a direction substantially orthogonal to the long axis of the first slide. | 04-21-2011 |
20110132375 | System and Method for Forming a Custom-Molded Medical Mask - A custom medical mask includes a substantially rigid custom-fitted sealing ridge that has been shaped to correspond to a compressed shape of soft tissues of a user's face. The sealing ridge includes first, second, and third ridges. The first ridge corresponds to a first portion of the user's face extending from the user's nose to a first area proximate a lateral perimeter of the user's obicularis-oris muscle. The second ridge corresponds to a second portion of the user's face extending from the nose to a second area proximate a lateral perimeter of the obicularis-oris muscle. The third region corresponds to the lower extension of the obicularis-oris muscle extending from the first area to the second area. The sealing ridge is configured to form a custom-fit seal by conforming to the compressed shape of the user's soft tissues when the mask is pressed against the user's face. | 06-09-2011 |
20120255559 | CUSTOM DENTAL APPLIANCE AND METHOD OF CREATING A CUSTOM DENTAL APPLIANCE - According to one embodiment, a dental device is provided. The dental device comprises an arched frame configured to be positioned proximate to the occlusal surface of a user's dental arch such that the arched frame extends beyond the cuspids of the user's dental arch. The arched frame defines a plurality of apertures, and the arched frame comprises an adjustment mechanism. The dental device further comprises a moldable tray coupled to the arched frame. The moldable tray engages the plurality of apertures and comprises a channel configured to engage at least some of the teeth of the user's dental arch. | 10-11-2012 |
20120255560 | APPARATUS FOR PREVENTION OF SNORING AND IMPROVED BREATHING - According to one embodiment, a dental device is provided. The dental device comprises an arch configured to engage at least some of the teeth of a user's dental arch and having a midline that aligns substantially with the anterior midline of the user's mouth when the arch is inserted in the user' s mouth. The dental device further comprises a dental attachment that comprises an anchoring element configured to be outside the user's mouth when the arch is inserted in the user's mouth. The dental device further comprises a second arch and a second anchoring element coupled to the second arch along the midline of the second arch. The dental device further comprises a tension element configured to engage the second anchoring element and to couple to the anchoring element outside the user's mouth when the second arch is inserted in the user's mouth. | 10-11-2012 |
20120255563 | UNIVERSAL ORAL APPLIANCE WITH A UNIVERSAL COUPLER - According to one embodiment, a universal oral appliance is provided. The universal oral appliance comprises an arched frame configured to be positioned proximate to the occlusal surface of a user's dental arch such that the arched frame extends beyond the cuspids of the user's dental arch when the arched frame is inserted in the user's mouth. The arched frame comprises a universal coupler configured to removably engage a dental attachment. The universal coupler comprises a substantially planar surface proximate to and extending across the midline of the arched frame. The universal coupler further comprises a first rail coupled to a first end of the substantially planar surface, and a second rail coupled to a second end of the substantially planar surface. The first rail, second rail, and substantially planar surface form a slot. | 10-11-2012 |
20120298110 | System and Method for Forming a Custom Medical Mask Using an Orientation Device - According to one embodiment, forming a custom medical mask includes, while an oral appliance is positioned in a user's mouth to receive the user's teeth and is coupled to an orientation device, applying an impression material over the device and the user's face, such that the impression material conforms to the device and to the user's unique facial features. The impression material may be removed together with the device and a cast may be created using the impression material together with the device as a mold, such that the cast conforms to the impression material and the device. A deformable material may be applied to the cast to form a custom medical mask for the user, such that the deformable material conforms to the cast. The custom medical mask is custom-fitted to the user's unique facial features and custom-oriented to the user's teeth. | 11-29-2012 |
20140053852 | APPARATUS FOR IMPROVED BREATHING - According to one embodiment, an apparatus for improved breathing is provided. The apparatus may include an improved oral appliance, an improved mask, an improved coupler to couple an oral appliance to a mask, and/or a combination of these improvements. | 02-27-2014 |
20140290668 | Adjustable Breathing Device - According to one embodiment, a breathing device includes an oral appliance arch, a post, and first and second masks that are separately adjustable relative to the oral appliance arch. The first mask defines a first interior space and is configured to deliver gas to a user's nose when the first mask is connected to a gas delivery device. The second mask defines a second interior space and is configured to be adjustably secured to the post and to form a substantial seal around the user's oral cavity when pressed against a portion of the user's mouth. The post is coupled to the oral appliance arch and is configured to adjustably secure the first mask relative to the oral appliance arch. | 10-02-2014 |
20150045926 | SYSTEM AND METHOD FOR FORMING A CUSTOM MEDICAL MASK FROM A THREE-DIMENSIONAL ELECTRONIC MODEL - According to one embodiment, a custom medical mask formed for a particular user from a three-dimensional electronic model includes a body formed from a polymerized photopolymer material. An interior surface of the body is configured to seat on the particular user's face and comprises a physical embodiment of a three-dimensional electronic model corresponding to unique facial features of the particular user. According to another embodiment, a method of creating a three-dimensional electronic model for use in forming a custom medical mask for a particular user includes scanning a portion of the particular user's face using an electronic scanning device, generating a three-dimensional electronic model of the portion of the particular user's face based on the scanning, and transmitting the three-dimensional electronic model of the portion of the particular user's face for use in forming the custom medical mask for the particular user from a photopolymer using a stereolithography apparatus. | 02-12-2015 |