|| List of recent Optical-related patents
| Soft maximum likelihood sequence estimation in digital communication|
A digital communication receiver generates soft decision values at the output of a maximum likelihood sequence estimator module. The values are fed into a following forward error correction module that uses the soft-decision input signal to improve error correction performance.
| Pill dispensing system for monitoring compliant receipt of pills by a patient|
A pill dispensing system for monitoring compliant receipt of pills by a patient, comprising a base unit having an area adapted to receive a pill container, the base unit comprising a microprocessor and a power supply, the pill container comprising a plurality of breakable closures each sealing a respective one of the pill compartments, each breakable closure comprising a breakable conductor being adapted to break upon breaking of the breakable closure of a respective one of the pill compartments and to generate a first pill compartment opening signal on the microprocessor, said base unit further comprising a plurality of optical detectors, each optical detector being associated with a respective one of the pill compartments of the pill container and being adapted to generate a second pill compartment opening signal on the microprocessor upon the breaking of the breakable closure of a respective one of the pill compartments.. .
| Method for reducing the effects of component misalignment in an optical system|
Different rotational interfaces between individual optical components and their mounts are compared based on a sensitivity of optical system performance to misalignment of the optical component to an alignment axis of the optical mount within a clearance space. The rotational interfaces at which the sensitivity of the optical system performance to the misalignment of the optical component approaches a minimum are incorporated into the optical design..
| System and method for estimating pneumatic pressure state of vehicle tires|
A system and a method for estimating pneumatic pressure state of vehicle's tires where the system includes one or more sensor units, each including an optical sensor such as camera for acquiring at least one image of at least one wheel of the respective vehicle and a controller including a processor for receiving image data of a respective wheel of the vehicle from the sensor units and analyzing thereof for estimating a pneumatic pressure state of one or more of the vehicle's tires using special image analysis processes. The processor is also configured to allow presenting the estimated pneumatic pressure state of each respective tire..
| Hydrophilicity alteration system and method|
A system/method allowing hydrophilicity alteration of a polymeric material (pm) is disclosed. The pm hydrophilicity alteration changes the pm characteristics by decreasing the pm refractive index, increasing the pm electrical conductivity, and increasing the pm weight.
| Lesion treatment device and methods for treating lesions|
Tissue and vessel treatment devices and respective methods are provided. Devices comprise a flexible treatment layer that comprises a plurality of operable elements configured to be activated to apply the treatment to the obstruction upon bending of the flexible treatment layer beyond a specified curvature threshold and to be de-activated upon a specified decrease of the bending.
| Treatment device for the surgical correction of defective vision of an eye, method for producing control data therefor, and method for the surgical correction of defective vision of an eye|
A treatment device for the surgical correction of defective vision in an eye. The device includes a laser apparatus controlled by a controller.
| Heart rate detection apparatus|
A heart rate detection apparatus includes a signal acquisition device for acquiring an intra-aural vibration wave signal and converting the intra-aural vibration wave signal into an intra-aural vibration electrical signal; and an arithmetic processing device for processing the intra-aural vibration electrical signal by computing to generate heart rate information. In the prior art, the heart rate detection apparatus cannot accurately and reliably detect the heart rate information due to the weak optical signal detected by a sensor.
| Optical speculum|
A system for direct imaging and diagnosing of abnormal cells in a target tissue includes a disposable optical speculum and an image acquisition system having the speculum assembled on and mechanically secured thereto. The image acquisition system is arranged to capture at least one of a single image or multiple images or video of cells within the target tissue using at least one of bright field or dark field ring illumination divided into independently operated segments to obtain a plurality of data sets.
| Method and device for imaging soft body tissue using x-ray projection and optical tomography|
A method and device (1) for imaging soft body tissue such as a female breast is proposed. X-ray projection techniques and optical tomography techniques are combined.
| Method and apparatus for quantitative imaging of blood perfusion in living tissue|
Embodiments provide methods and systems for imaging, and, more specifically, to a method and apparatus for quantitative imaging of blood perfusion in living tissue. Some embodiments are directed to methods of obtaining quantitative imaging of blood perfusion in living tissues using doppler optical micro-angiography (domag)..
| Apparatus and methods for pathlength multiplexing for angle resolved optical coherence tomography|
Exemplary embodiments include an apparatus and method for performing angle-resolved imaging of scattering samples such as tissue, including the use of a pathlength multiplexing element.. .
| Anamorphic lens for rotational scanning laser probe|
A surgical probe can include an outer cannula; an inner cannula, rotatably disposed inside the outer cannula; a rotational scanner, disposed at an end of the inner cannula and configured to receive a light beam from a delivery fiber and to scan the light beam along a loop; and an anamorphic optical element, disposed at an end of the outer cannula and configured to receive the light beam scanned along the loop and to output the light beam along an anisotropically compressed loop. A corresponding method can include providing a light beam by a light source; coupling the light beam to a rotational scanner at an end of an inner cannula; scanning the light beam by the rotational scanner along a loop; and receiving the light beam scanned along the loop by an anamorphic optical element and outputting the light beam along an anisotropically compressed loop to a target..
| Manual and automatic probe calibration|
Embodiments of the present disclosure include an optical probe capable of communicating identification information to a patient monitor in addition to signals indicative of intensities of light after attenuation by body tissue. The identification information may indicate operating wavelengths of light sources, indicate a type of probe, such as, for example, that the probe is an adult probe, a pediatric probe, a neonatal probe, a disposable probe, a reusable probe, or the like.
| Physiological monitoring methods|
A monitoring device includes a housing configured to be attached to a body of a subject. An optical emitter, optical detector, and sensor for measuring motion noise are located within the housing.
| Physiological monitoring methods|
A method of monitoring a subject includes attaching a sensor module having at least one optical emitter and detector to a body of the subject, delivering light from the at least one optical emitter into the body of the subject via a first light guide that is in optical communication with the at least one optical emitter, and collecting light from the body of the subject via a second light guide that is in optical communication with the at least one optical detector. The first light guide has a proximal end optically coupled to the at least one optical emitter and delivers light from the at least one optical emitter via a distal end thereof.
| Apparatus, systems and methods for determining tissue oxygenation|
A surgical instrument may be configured to sense a light re-emitting probe to resolve tissue oxygenation, the surgical instrument including: an optical emitter configured to excite the light re-emitting probe within an absorption band of the light re-emitting probe; an optical detector configured to receive the re-emitted light from the probe; and a signal processor configured to resolve the tissue oxygenation based on the received light. The surgical instrument can be a surgical stapler anvil or a flexible substrate having a tissue interfacing surface.
| Video endoscope with sideways viewing direction and method for mounting a video endoscope|
A video endoscope with sideways viewing direction including an endoscope shaft having a jacket tube, an entry window joined hermetically to the jacket tube at the distal end of the jacket tube, a sideways viewing optical subassembly and a sensor module having an optical sensor, wherein the sensor module is disposed on a distal side of a longitudinally extended sensor module carrier that is rotatably mounted with respect to the jacket tube. In the video endoscope, the sideways viewing optical subassembly can be formed as an attachment which can be plugged distally onto the sensor module and/or the sensor module carrier and which is rotatably mounted with respect to the sensor module and/or the sensor module carrier, wherein the attachment has at least one lock which interacts with at least one corresponding lock on the jacket tube, such that the attachment is rotationally fixed with respect to the jacket tube..
| Capsule camera with variable illumination of the surrounding tissue|
The invention relates to an ingestible capsule and method for in vivo imaging and/or treatment of one or more diseased areas of interest within the gastrointestinal tract of an animal or human being. The capsule comprises an image sensor; a lens system for focusing images onto the image sensor; at least one light source for illumination of the tissue area of interest, the at least one light source optionally being capable of providing optical therapeutic treatment to the diseased areas; a variable lens system located in front of the at least one light source, wherein the variable lens system comprises beam steering means and focusing means for directing and focusing the light beams from the at least one light source onto the diseased tissue areas; a control unit in communication with the image sensor, the at least one light source, and variable lens system, the control unit comprising image storing means, processing means and image transmission means; wherein the control unit correlates stored images received from the image sensor as the capsule travels through the gastrointestinal tract and controls the beam steering means and focusing means of the variable lens system to ensure that the light beams from the at least one light source are directed and focused onto the diseased tissue areas; a power source for powering the image sensor, the at least one light source and the control unit; and a non-digestible, transparent outer protective shell configured to pass through the gastrointestinal tract, housing within the image sensor, the lens system, the at least one light source, the variable lens system, the control unit and the power source..
| Optically coupled bone conduction systems and methods|
A hearing device can allow a user to determine from side which a sound originates with bone conduction vibration of the cochlea and the user can also receive sound localization cues from the device, as feedback can be substantially inhibited with bone conduction vibration of the cochlea. An output transducer assembly can be positioned on a first side of the user to vibrate a first bone tissue near a first cochlea with a first amount of energy, such vibration of a second cochlea on a second side with a second amount of energy is attenuated substantially, for example at least about 6 db, such that the user can localize the sound to the first side.
| Organometallic monomers and high refractive index polymers derived therefrom|
Synthesis of thianthrene moiety containing silane and germane monomers and their polymerization is presented. The polymers show high refractive index, high transparency and excellent thermal stability.
| Optical resin material and manufacturing method therefor|
An optical resin material includes a multicomponent system whose number of components z which is defined under a counting condition of including original number x(x≧2) of copolymer into the number of components is three or more. Wherein the combination of the components constituting the multicomponent system is selected such that: at least one of respective signs of intrinsic orientational-birefringences of respective homopolymers which correspond to respective monomers constituting respective components of the copolymer and signs of orientational-birefringence properties which the low-molecular-weight organic compound presents in common in the respective homopolymers has a different sign from those of others, and also, at least one of photoelastic-birefringence properties of the respective homopolymers and photoelastic-birefringence properties which the low-molecular-weight organic compound presents in common in the respective homopolymers has a different sign from those of others..
| Integrated illumination of optical analytical devices|
Optical analytical devices and their methods of use are provided. The devices are useful in the analysis of highly multiplexed optical reactions in large numbers at high densities, including biochemical reactions, such as nucleic acid sequencing reactions.
| Optical microscopy with phototransformable optical labels|
Imaging a sample that includes phototransformable optical labels (“ptols”) with an optical system having a diffraction-limited resolution volume (dlrv), includes providing activation radiation to the ptols to activate a statistical subset of the ptols. A density of the ptols of the activated subset is less than an inverse of the dlrv.
| An optical glass and optical element|
The invention provides an optical glass, which includes 6 wt % to 10 wt % of b2o3; 10 wt % to 15% of b2o3 and sio2, wherein the content of b2o3 is more than that of sio2; 27 wt % to 32 wt % of la2o3; 0 wt % to 5 wt % of gd2o3, y2o3 and yb2o3, wherein the content of gd2o3 is 0 wt % to 3 wt %; more than 19 wt % but less than 25 wt % of tio2; more than 8 wt % but less than 15 wt % of nb2o5; 0.5 wt % to 5 wt % of zno; 0 wt % to 2 wt % of wo3; 2 wt % to 10 wt % of zro2; more than 10 wt % but less than 15 wt % of bao; 0 wt % to 5 wt % of cao, sro and mgo, wherein the content of sro is 0 wt % to 3 wt %; and 0 wt % to 0.1 wt % of sb2o3.. .
| Method, apparatus, and computer program product for powering electronic devices|
Example method, apparatus, and computer program product embodiments are disclosed for negotiation of wireless powering of passive objects. Example embodiments of the invention include a method comprising: receiving, via a radio frequency wireless interface of an apparatus, a radio frequency signal from a wireless device, indicating that the wireless device is capable of receiving optical powering; switching on, by the apparatus, an optical energy source in the apparatus; and transmitting, by the apparatus, from the optical energy source, optical power to the wireless device in response to the radio frequency signal..
| Method of manufacturing a display device comprising a step of simultaneously polishing a second substrate and a semiconductor chip to have the same thickness as each other|
A display device including: a first substrate with a pixel switch and drivers mounted thereon; a second substrate disposed in facing relation to the first substrate; a material layer held between the first substrate and the second substrate and having peripheral edges sealed by a seal member, the material layer having an electrooptical effect; and a semiconductor chip mounted as a cog component on the first substrate, the semiconductor chip having a control system configured to control the drivers; wherein the semiconductor chip having a thickness equal to the total thickness of the seal member and the second substrate or larger than the thickness of the seal member and smaller than the total thickness.. .
| Optical waveguide structure and method of manufacture thereof|
A method of manufacture of an optical waveguide structure including the steps of: providing a multilayer semiconductor wafer including a iii-v semiconductor substrate, a iii-v semiconductor top layer and an etch stop layer sandwiched therebetween, the etch stop layer including aluminium and phosphorous; and etching through the top layer to the etch stop layer by use of a dry etch containing chlorine to provide two spaced apart recesses defining the optical waveguide therebetween.. .
| Measuring device for tubular bag packaging machines|
The invention relates to a measuring device, more particularly for a tubular bag packaging machine 1, to determine the concentration of at least one gas within a package 2 to be sealed, wherein it is possible to introduce a protective gas via a gas lance 3 into the package 2 to be sealed. The measuring device comprises an indicator 4, a light conductor 5, and an evaluation unit 6, wherein the indicator 4 is comprised of a fluorescent material, preferably a polymer material and arranged at the end of the light conductor 5 and within the package 2 to be sealed, wherein the evaluation unit 6 takes-up and evaluates an optical signal from the indicator 4 via the light conductor 5 to determine the concentration of the at least one gas..
| System and method for optical detection using capillary action|
A system and method for the detection of one or more analytes in a collected sample employs capillary action in a sample card containing a sample substrate, at least one test capsule and an absorbent pad. The absorbent pad absorbs the contents of the test capsule and delivers the same to the sample substrate, with the contents of the test capsule chemically reacting with at least one detection reagent to establish an optical indicator for the analyte(s).
| Light-blocking system for a diagnostic analyzer|
A diagnostic analyzer includes a track, a light-blocking member, a motor, and an optical testing device. The track moves a reaction vessel held by the track.
| Photosynthetic microorganism condition detection sensor|
The present invention provides an optical probe apparatus and method for microorganism culture monitoring. The optical probe can be immersed within the microorganisms and include at least one emitter and at least two detectors that excite photosynthetic pigments in the culture medium.
| Magnetic separation of cells|
An apparatus, system, and method for magnetic separation of cells are disclosed. By combining inkjet printing technology and magnetic labeling of cells, accurate cell counts are obtained using an optical microscope.
| Cutting information determination method, and strip-shaped polarizing sheet manufacturing method therewith, optical display unit manufacturing method therewith, strip-shaped polarizing sheet, and polarizing sheet material|
Provided are a cutting information determination method that can use a simpler process to improve yield, and a strip-shaped polarizing sheet manufacturing method using such a method, an optical display unit manufacturing method using such a method, a strip-shaped polarizing sheet, and a polarizing sheet material. A cutting position in the width direction a2, in which a polarizing sheet material mp is to be cut along its longitudinal direction a1, is determined based on the numbers of defects counted with respect to plural points in the width direction a2 of the polarizing sheet material mp.
| Heat stable snal and snmg based dielectrics|
A transparent dielectric composition comprising tin, oxygen and one of aluminum or magnesium with preferably higher than 15% by weight of aluminum or magnesium offers improved thermal stability over tin oxide with respect to appearance and optical properties under high temperature processes. For example, upon a heat treatment at temperatures higher than 500 c, changes in color and index of refraction of the present transparent dielectric composition are noticeably less than those of tin oxide films of comparable thickness.
| Optical element material and method for producing same|
Wherein r1 is —ch═ch2, —ch2ch2—o—ch═ch2, —ch2—c(ch3)═ch2 or a glycidyl group; r2 and r3 are each independently hydrogen or a c1-4 alkyl group; r4 and r5 are each independently —o—ch═ch2, —o—ch2ch2—o—ch═ch2, —o—co—ch═ch2, —o—co—c(ch3)═ch2, —o—ch2ch2—o—co—ch═ch2, —o—ch2ch2—o—co—c(ch3)═ch2 or a glycidyl ether group; and r6 and r7 are each independently hydrogen or a c1-4 alkyl group.. .
| Uniaxially stretched multi-layer laminate film|
A uniaxially stretched multi-layer laminate film includes 251 or more layers in which a first layer and a second layer are alternately laminated, wherein the first layer is composed of a polyester containing a 2,6-naphthalene dicarboxylic acid component; the second layer is composed of a thermoplastic resin having an average refractive index of 1.60 or more and not more than 1.65 and having negative optical anisotropy or isotropy; an s polarization component has an average reflectance of 90% or more relative to the incident polarized light at an angle of incidence of 0 degree and 50 degrees, respectively; and a p polarization component has an average reflectance of not more than 15% relative to the incident polarized light at an angle of incidence of 0 degree and an average reflectance of 20% or more relative to the incident polarized light at an angle of incidence of 50 degrees.. .
| Reflective liners|
An apparatus for processing a semiconductor substrate is described. The apparatus is a process chamber having an optically transparent upper dome and lower dome.
| Photonic devices on planar and curved substrates and methods for fabrication thereof|
A versatile and rapid sol-gel technique for the fabrication of high quality one-dimensional photonic bandgap materials. For example, silica/titania multi-layer materials may be fabricated by a sol-gel chemistry route combined with dip-coating onto planar or curved substrate.
| Method for coating non-uniform substrates|
A method for applying a uniform coating to a non-uniform substrate, the method including: a) optically characterizing the non-uniform substrate; b) adjusting a thickness and a color of a primer layer to achieve a first target color while depositing the primer layer on the non-uniform substrate; c) optically characterizing the non-uniform substrate comprising the primer layer deposited thereon; and, d) adjusting a thickness and a color of a first paint layer to achieve a second target color while depositing the first paint layer on the non-uniform substrate comprising the primer layer deposited thereon.. .
| Imprint template with optically-detectable alignment marks and method for making using block copolymers|
A method using directed self-assembly of block copolymers (bcps) for making an imprint template has the required patterns for both the features in the template's active area and the optically-detectable alignment marks in the template's non-active area. A chemical contrast pattern defined by a lithographic technique forms patterns of lines in both the active area and non-active area, as well as patterns of featureless gap regions in the non-active area.