Patent application number | Description | Published |
20100061220 | OPTICAL DATA RECORDING AND IMAGING ON MEDIA USING APOCHROMATIC LENSES - An apparatus for recording and/or transmitting optical data or visual images includes a recording medium ( | 03-11-2010 |
20100103798 | OPTICAL DATA RECORDING AND IMAGING ON MEDIA USING APOCHROMATIC LENSES AND A LIGHT SEPARATING MEANS - An apparatus includes a recording medium ( | 04-29-2010 |
20100160904 | PHOTOTHERMAL TREATMENT OF SOFT TISSUES - An apparatus and a method are provided for the treatment of soft tissue. The apparatus includes a light source and at least two optical assemblies. Each of the optical assemblies includes at least one optical element and a light-transmitting contact surface configured to transmit a substantially uniform distribution of light therethrough. The apparatus further includes at least two optical transmission devices each disposed between the light source and a corresponding one of the at least two optical assemblies. The apparatus also includes a handpiece to which the at least two optical assemblies are attached, and which is adapted to bring the light-transmitting contact surfaces of the at least two optical assemblies in contact with soft tissue disposed therebetween. The method includes compressing and substantially flattening portions of the tonsil tissue between light-transmitting contact surfaces of two opposed light emitting optical assemblies, introducing light into an optical element of each of the optical assemblies; and irradiating the tonsil tissue by directing the light from the optical element through the light-transmitting contact surfaces to the tonsil tissue in a substantially uniform light distribution. | 06-24-2010 |
20110080736 | FOCUSING LENS SYSTEM - A lens for a flashlight or other lighting unit provides for focusing light from a source, such as an LED, to provide a light beam adjustable between a spot beam and a wide beam. The lens includes a lens body with a front face, a rear LED-receiving well, and a side surface extending between the front face and the rear well. The front face includes a central surface surrounded by an annular concave surface. The rear well includes a space for the LED to be adjusted in position. The rear well space is defined by a concavely-curved sidewall and a concavely-curved base. The concave curvature of the sidewall and base may be Bezier curves. | 04-07-2011 |
20110190749 | Low Profile Apparatus and Method for Phototherapy - Disclosed herein are optical assemblies having thin, low profile shapes. These optical assemblies may be used with fiber coupled lasers and other light sources, including high power sources, to irradiate tissue at a wavelength suitable for inducing ablation or coagulation to a target depth, denaturation, thermal modification of a tissue, and/or preferential injury to a target tissue structure. Example optical assemblies can produce substantially uniform illumination patterns that are useful for treating superficial tissue, including the internal or luminal (e.g., esophageal) tissue. Some examples may have capability for cooling superficial tissue or skin, such as a detachable, reusable heat sink for active cooling without consumables, fluid pumps, or other cooling equipment. | 08-04-2011 |
20130171028 | ANALYTE MONITOR - An analyte meter for an analyte test strip includes a light source configured to emit a light having a wavelength substantially similar to the maximum absorption band of Hb, an optics assembly configured to direct the light emitted by the light source to a test strip, and a photodetector configured to quantitatively detect light emanating from the test strip and to generate a signal correlating to an analyte concentration in the test strip. | 07-04-2013 |
20130345687 | Low Profile Apparatus and Method for Phototherapy - Disclosed herein are optical assemblies having thin, low profile shapes. These optical assemblies may be used with fiber coupled lasers and other light sources, including high power sources, to irradiate tissue at a wavelength suitable for inducing ablation or coagulation to a target depth, denaturation, thermal modification of a tissue, and/or preferential injury to a target tissue structure. Example optical assemblies can produce substantially uniform illumination patterns that are useful for treating superficial tissue, including the internal or luminal (e.g., esophageal) tissue. Some examples may have capability for cooling superficial tissue or skin, such as a detachable, reusable heat sink for active cooling without consumables, fluid pumps, or other cooling equipment. | 12-26-2013 |
Patent application number | Description | Published |
20080286110 | Wind-turbine blade and method for reducing noise in wind turbine - Low-noise wind turbine blades are provided wherein metallic and/or polymeric cellular materials that are capable of bearing directional loads are used in the construction of wind turbine blade parts or entire sections. The use of such materials influences the air flow over them in such a way that the resulting boundary-layer turbulence is damped in a controlled way, thus weakening the noise scattering mechanism at the trailing edge, and the scattered acoustic waves are absorbed and attenuated by the material acting as an acoustic liner. | 11-20-2008 |
20080317598 | Power loss reduction in turbulent wind for a wind turbine using localized sensing and control - A wind turbine blade assembly includes at least one local load sensor disposed on and/or within a surface of the wind turbine blade and at least one active flow modification device disposed on and/or within a surface of the wind turbine blade and configured to alter the aerodynamics of the wind turbine blade in response to real time local load sensor measurements such that a difference between a current angle of attack and an optimum angle of attack on the wind turbine blade is substantially minimized. | 12-25-2008 |
20090013532 | AIRFOILS FOR USE IN ROTARY MACHINES AND METHOD FOR FABRICATING SAME - A method of fabricating an airfoil is provided. The method includes fabricating at least one airfoil including a suction side and a pressure side coupled together at a leading edge and a trailing edge, wherein the airfoil includes a plurality of first and second chord sections each extending between the trailing and leading edges, wherein at least one of the first chord sections extends outward from the pressure side of the airfoil at the trailing edge, and at least one of the second chord sections extends outward from the suction side of the airfoil at the trailing edge. | 01-15-2009 |
20100080708 | SCALLOPED SURFACE TURBINE STAGE WITH TRAILING EDGE RIDGES - An engine stage includes a row of airfoils joined to corresponding platforms to define flow passages therebetween. Each airfoil includes opposite pressure and suction sides and extends in chord between opposite leading and trailing edges. Extending from a surface of the platforms is a trailing edge ridge structure which adjoins the pressure sides, suction sides, and trailing edges of the airfoils with their respective platforms. | 04-01-2010 |
20100104436 | ACTIVE CURCILATION CONTROL OF AERODYNAMIC STRUCTURES - Active Circulation Control (ACC) of aerodynamic structures, such as a turbine blade, uses unsteady or oscillatory flow from either synthetic jets or pulsed jets to modify a velocity profile of the blade. The blade includes an opening disposed in a surface of the blade at a location proximate to a trailing edge, a leading edge, or both the trailing edge and the leading edge of the blade. An active flow control device in fluid communication with the opening produces a wall-jet of pulsed fluid that flows over the trailing edge, the leading edge, or both the trailing and leading edges of the blade and modify the velocity profile of the blade. | 04-29-2010 |
20100129203 | Control of shockwave-boundarylayer-interaction using MEMS plasma devices - A micro-electromechanical system (MEMS) dielectric barrier discharge (DBD) based aerodynamic actuator is configured to modify a shockwave boundary layer interaction and limit incident boundary layer growth caused by a reflected shockwave. | 05-27-2010 |
20100187366 | Reduction of Tip Vortex and Wake Interaction Effects in Energy and Propulsion Systems - An airfoil includes a plasma actuation surface integrated onto the airfoil surface. On the airfoil, the plasma actuation surface is configured to provide high-frequency plasma actuation along the plasma actuation surface such that excitation of the vortex flow or shear flow mitigates the vortex flow or the shear flow associated with the airfoil. | 07-29-2010 |
20110135467 | SYSTEM AND METHOD OF DEICING AND PREVENTION OR DELAY OF FLOW SEPARATION OVER WIND TURBINE BLADES - A system for deicing a wind turbine blade includes an electrically powered active plasma actuator applied to a desired portion of a wind turbine blade. The activated plasma actuator energizes the air in the vicinity of the plasma actuator to increase the surface temperature of the wind turbine blade in the vicinity of the plasma actuator sufficiently to reduce or eliminate the collection of ice on a desired portion of the wind turbine blade. | 06-09-2011 |
20110206507 | SYSTEM AND METHOD OF MANIPULATING A BOUNDARY LAYER ACROSS A ROTOR BLADE OF A WIND TURBINE - An air distribution system for manipulating a boundary layer of air across a wind turbine rotor blade. The wind turbine rotor blade includes at least one sidewall that defines a cavity therein. The sidewall extends between a leading edge and an axially-spaced trailing edge, and defines a chordwise axis between the leading edge and the trailing edge. The air distribution system includes a plurality of bleed flow assemblies that are positioned within the rotor blade and are configured to discharge air into the boundary layer to reduce a separation of the boundary layer from the rotor blade. Each bleed flow assembly of the plurality of bleed flow assemblies includes a bleed flow conduit that is coupled to an inner surface of the sidewall and is oriented with respect to the chordwise axis between the leading edge and the trailing edge. The bleed flow conduit is configured to channel air through the rotor blade. An inlet aperture is defined through the bleed flow conduit and through the sidewall to channel air into the bleed flow conduit. An outlet aperture is defined through the bleed flow conduit and through the sidewall to discharge air from the bleed flow conduit and into the boundary layer. | 08-25-2011 |
20110262705 | MICROSTRUCTURES FOR REDUCING NOISE OF A FLUID DYNAMIC STRUCTURE - A fluid dynamic structure includes a surface and a microstructure mounted on the surface. The microstructure is defined by a plurality of peaks and valleys (i.e., riblets) and includes a transition region in which each peak and valley changes from a first profile to a second profile along a chord length of the structure. The peaks and/or valleys may have a variable dimension along the length of the microstructure. The peaks and valleys can be non-linear along the chord length and have a smooth transition from the first profile to the second profile. The different profiles of the microstructure are optimized to reduce noise generated by turbulent fluid flow across the structure. | 10-27-2011 |
20110268576 | SYSTEM AND METHOD FOR INCREASING ENERGY CAPTURE BY WIND TURBINES - A blade is presented. The blade includes a proximal end and a distal end, and a pronounced camber running between the proximal end to the distal end, wherein the pronounced camber is located in proximity to a trailing edge and on a suction side of the blade, and an amplitude of the pronounced camber at a location varies between about 0.7% to about 1.4% of a chord's length of a cross-section of the blade at said location. | 11-03-2011 |
20110293422 | SYSTEM AND METHOD FOR ENHANCED TURBINE WAKE MIXING VIA FLUIDIC-GENERATED VORTICES - A high pressure turbine (HPT) blade includes a substantially arcuate trailing edge including one or more fluid injection elements disposed therein. Each fluid injection element injects a fluid such as air into a desired trailing edge region of the HPT blade or vane to enhance mixing out of the wakes generated via the HPT blade or vane. The enhanced mixing out reduces HPT/LPT interaction losses and/or the axial gap between the HPT and LPT components in a gas turbine engine. The interaction losses include unsteady thermal wake segregation effects that lead to unexpected heat-up of endwalls (planforms and blade/vane-tips) of downstream blades/vanes, and further include aerodynamic losses, both transonic and subsonic. | 12-01-2011 |
20110305579 | AIRFOIL HAVING REDUCED WAKE - An airfoil of varying span-wise thickness comprising a suction side and a pressure side coupled together at a leading edge and a trailing edge, with the trailing edge comprising a plurality of spaced-apart wave-shaped projections. Exemplary embodiments provide airfoil geometry and/or trailing edge features to influence downstream wake flow. Methods of fabricating an airfoil for improved wake flow are also provided. | 12-15-2011 |
Patent application number | Description | Published |
20100056732 | System and Method for Measuring Pressure and Flow in a Loop Reactor - A system and method for measuring pressure and flow rate of polymer slurry circulating in a loop reactor. For flow rate measurement, the loop reactor has a pressure tap on an outside radius of an elbow of the loop and a pressure tap on an inside radius of the elbow. The pressure taps incorporate diaphragms. Sensing legs couple the pressure taps with a differential pressure meter configured to provide a signal indicative of the flow rate of the polymer slurry. For pressure measurement, pressure taps without diaphragms at the loop reactor wall may be disposed at various points along the loop reactor, the pressure taps coupled to pressure sensing lines. A diluent flush line having a screen disposed therein may provide diluent to the pressure taps. The screen may reduce fouling of the pressure tap and sensing line with solids from the reactor. | 03-04-2010 |
20110300025 | ENERGY EFFICIENT POLYOLEFIN PROCESS - A manufacturing process for producing polyolefin, having a feed system, a reactor system including at least one polymerization reactor, a diluent/monomer recovery system, a fractionation system, and an extrusion/loadout system having an extruder. The manufacturing process is configured to consume less than 325 kilowatt-hours of electricity per metric ton of polyolefin produced. | 12-08-2011 |
20120139149 | ENERGY EFFICIENT POLYOLEFIN PROCESS - A manufacturing system for producing polyolefin includes a polymerization reactor, a flash chamber, and a purge column. In certain embodiments, the purge column may receive a solids stream directly from the flash chamber. Further, the purge column may function as a feed tank for an extruder within an extrusion/loadout system. According to certain embodiments, the manufacturing system may be configured to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced based on consumption of electricity, steam, and fuel gas. | 06-07-2012 |
20130056899 | ENERGY EFFICIENT POLYOLEFIN PROCESS - A manufacturing system for producing polyolefin includes a polymerization reactor, a flash chamber, and a purge column. In certain embodiments, the purge column may receive a solids stream directly from the flash chamber. Further, the purge column may function as a feed tank for an extruder within an extrusion/loadout system. According to certain embodiments, the manufacturing system may be configured to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced based on consumption of electricity, steam, and fuel gas. | 03-07-2013 |
20140024788 | ENERGY EFFICIENT POLYOLEFIN PROCESS - A manufacturing system for producing polyolefin includes a polymerization reactor, a flash chamber, and a purge column. In certain embodiments, the purge column may receive a solids stream directly from the flash chamber. Further, the purge column may function as a feed tank for an extruder within an extrusion/loadout system. According to certain embodiments, the manufacturing system may be configured to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced based on consumption of electricity, steam, and fuel gas. | 01-23-2014 |
20140256889 | ENERGY EFFICIENT POLYOLEFIN PROCESS - A manufacturing system for producing polyolefin includes a polymerization reactor, a flash chamber, and a purge column. In certain embodiments, the purge column may receive a solids stream directly from the flash chamber. Further, the purge column may function as a feed tank for an extruder within an extrusion/loadout system. According to certain embodiments, the manufacturing system may be configured to consume less than 445 kilowatt-hours of energy per metric ton of polyolefin produced based on consumption of electricity, steam, and fuel gas. | 09-11-2014 |
Patent application number | Description | Published |
20120158645 | WORK UNITS FOR CONTENT PROCESSING - A system may create work units, each work unit including at least one of an input port or output port, each work unit configured to modify data that is received via the input port. In addition, the system may compose a workflow by connecting an output port of a first of the work units to an input port of a second of the work units, receive a work order, select the workflow in response to the work order, decompose the workflow into constituent work units, instantiate tasks that correspond to the constituent work units, and execute a work unit process for each of the tasks. | 06-21-2012 |
20120158946 | WORK UNIT ADAPTERS - A method including receiving a work flow for the ingestion, transformation, and distribution of content, wherein the work flow includes one or more work unit tasks; retrieving work unit task information pertaining to the one or more work unit tasks; identifying one or more network elements to execute one of the one or more work unit tasks based on the work unit task information; translating the work unit task information from a format used by one or more devices to another format that is used by the one or more network elements based on one of an object adapter pattern or a class adapter pattern; and send the translated work unit task information to the one or more network elements. | 06-21-2012 |
20120159494 | WORKFLOWS AND PRESETS FOR WORKFLOWS - A system generate a workflow identifier, create a workflow that includes a first work unit, assign the workflow identifier to the workflow, update the workflow by adding a second work unit to the workflow, receive a work order to process the workflow, decompose the workflow into constituent work units in response to the work order, instantiate tasks that correspond to the constituent work units, and execute a work unit process for each of the tasks. | 06-21-2012 |
Patent application number | Description | Published |
20130070338 | LIGHTWEIGHT EYEPIECE FOR HEAD MOUNTED DISPLAY - An eyepiece includes an eyepiece frame, an in-coupling polarization beam splitter (“PBS”), an end reflector, and an out-coupling PBS. The eyepiece frame defines an air cavity and includes an illumination region for receiving computer generated image (“CGI”) light into the eyepiece frame and a viewing region to be aligned with an eye of a user. The in-coupling PBS is supported within the eyepiece frame at the illumination region to re-direct the CGI light to a forward propagation path extending along the air cavity towards the viewing region. The end reflector is disposed to reflect the CGI light back along a reverse propagation path within the eyepiece frame. The out-coupling PBS is supported at the viewing region to pass the CGI light traveling along the forward propagation path and to redirect the CGI light traveling along the reverse propagation path out of an eye-ward side of the eyepiece frame. | 03-21-2013 |
20130147685 | COMPACT ILLUMINATION MODULE FOR HEAD MOUNTED DISPLAY - An illumination module includes a light source to output lamp light and a mixing light guide having a substantially rectangular cross-section. The mixing light guide includes a spatial homogenization section and an emission section. The spatial homogenization section includes a first end coupled to receive the lamp light having a first cross-section profile from the light source and a second end to deliver the lamp light with a second cross-section profile substantially conforming to the substantially rectangular cross-section of the mixing light guide. The emission section is adjacent to the second end. The emission section includes an emission surface through which the lamp light is emitted with a substantially uniform intensity profile. The emission surface faces a different direction than an input surface of the first end through which the lamp light is received into the mixing light guide. | 06-13-2013 |
20130242405 | OPTICAL BEAM TILT FOR OFFSET HEAD MOUNTED DISPLAY - An eyepiece for a head mounted display includes a display module, end reflector, and viewing region. The end reflector is disposed at an opposite end of the eyepiece from the display module to reflect the display light back from a forward propagation path to a reverse propagation path. The viewing region is disposed between the display module and the end reflector and includes a partially reflective surface, that passes the display light traveling along the forward propagation path and redirects the display light traveling along the reverse propagation path out of an eye-ward side of the eyepiece along an emission path. The partially reflective surface has a compound folding angle such that the emission path of the display light emitted from the eyepiece is folded along two axes relative to the reverse propagation path between the concave end reflector and the partially reflective surface. | 09-19-2013 |
20130250415 | WIDE-ANGLE WIDE BAND POLARIZING BEAM SPLITTER - A beamsplitter that includes a first prism including an input face, an output face and an oblique face and a second prism including an output face and an oblique face, the oblique face of the second prism being coupled to the oblique face of the first prism. A polarizing coating is sandwiched between the oblique face of the first prism and the oblique face of the second prism, and a linear polarizer coupled to at least one of the output face of the first prism and the output face of the second prism. | 09-26-2013 |
20140092461 | PHOTO-CHROMIC COATING FOR OPTICS - A head mounted display (HMD) includes a display module for generating CGI light, an eyepiece, and a frame assembly to support the eyepiece in front of an eye of the user. The eyepiece includes a viewing region to emit the CGI light along an eye-ward direction, an input end peripherally located from the viewing region and optically coupled to receive the CGI light into the eyepiece from the display module, and light bending optics to redirect the CGI light. The eyepiece further includes an ambient scene side through which ambient scene light is received into the eyepiece and an eye-ward side opposite the ambient scene side out of which the ambient scene light and the CGI light are passed along the eye-ward direction. A photo-chromic coating is disposed on the ambient scene and eye-ward sides. | 04-03-2014 |
20140153103 | DUAL AXIS INTERNAL OPTICAL BEAM TILT FOR EYEPIECE OF AN HMD - An eyepiece includes a display module for providing display light, a concave end reflector, and a viewing region including a partially reflective surface to redirect at least a portion of the display light out of an eye-ward side of the eyepiece along an emission path. The partially reflective surface is obliquely angled with an offset from 45 degrees relative to the eye-ward side to cause the emission path to have a first oblique angle in a horizontal dimension relative to a first normal vector of the eye-ward side. The concave end reflector is tilted such that a second normal vector from a center point of the concave end reflector is obliquely angled relative to a top or bottom surface of the eyepiece to cause the emission path to have a second oblique angle in a vertical dimension relative to the first normal vector of the eye-ward side. | 06-05-2014 |
20140185142 | OPTICAL COMBINER FOR NEAR-EYE DISPLAY - An optical combiner includes a first, second, and third color combiner layer (“CCL”). The first CCL includes a first diffractive grating coated with a first filter configured to reflect a first color light and pass a second and a third color light. The second CCL includes a second diffractive grating coated with a second filter configured to reflect the second color light and pass the third color light. The third CCL includes a third diffractive grating coated with a third filter configured to partially reflect visible light. The diffractive gratings are each embedded in an index matched material and are angle-tuned diffractive gratings configured to receive image light at an angle and respectively reflect the first, second, and third color light in the image light at an order of diffraction that directs the light to an eye of a user. | 07-03-2014 |
20140211146 | SEE-THROUGH NEAR-TO-EYE DISPLAY WITH EYE PRESCRIPTION - An optical apparatus includes an optical combiner, an image lens, and an external scene lens. The optical combiner has an eye-ward side and an external scene side and includes a partially reflective diffraction grating that is at least partially reflective to image light incident through the eye-ward side and at least partially transmissive to external scene light incident through the external scene side. A first mount is positioned to hold the image lens in an optical path of the image light to apply a first corrective prescription to the image light. A second mount is positioned to hold an external scene lens over the external scene side of the optical combiner to apply a second corrective prescription to the external scene light. The optical combiner combines the image light with the scene light to form a combined image that is corrected according to the first and second corrective prescriptions. | 07-31-2014 |
20140320971 | EDGE CONFIGURATIONS FOR REDUCING ARTIFACTS IN EYEPIECES - An eyepiece for a head mounted display (“HMD”) includes a first end for receiving computer generated image (“CGI”) light and a second end disposed opposite the first end. The eyepiece also includes an image directing element to direct the CGI light out of the eyepiece in an eye-ward direction. The image directing element is disposed between the first end and the second end. At least one edge running between the first end and the second end is configured to reduce reflection of the CGI light back into the eyepiece. | 10-30-2014 |
Patent application number | Description | Published |
20140043991 | Systems and Methods for Phase Determination over a Wireless Link - An exemplary method to measure propagation of a signal between a first end data input transmit system and a first end transmit air frame detector, of the signal between a second end receive air frame detector and a second end data receive system, of the signal between the second end data receive system and a second end data input transmit system, of a time the signal is received by the second end data transmit system and a signal is received at a second end transmit air frame detector, of the signal between a first end receive air frame detector and a first end data receive system, and of a time when the signal is in the first end data receive system and when the signal is received by the first end data input transmit system, and determine a performance of the signal across a wireless link based on the measurements. | 02-13-2014 |
20140211290 | PHOTO-CHROMIC COATING FOR OPTICS - An eyepiece includes a viewing region to emit display light out of the eyepiece along an eye-ward direction, an input end peripherally located from the viewing region and configured to receive the display light into the eyepiece, one or more optical elements positioned to direct the display light received into the eyepiece out of the viewing region along the eye-ward direction, a first side through which ambient scene light is received into the eyepiece, a second side out of which the ambient scene light and the display light are passed along the eye-ward direction, and a photo-chromic coating disposed on the first side and the second side, the photo-chromic coating to darken in the presence of UV light. | 07-31-2014 |