Patent application number | Description | Published |
20080273208 | Interference Filter - This invention relates to an interference filter, especially for use in gas detection with infrared light within a chosen range, comprising at least two essentially parallel and partially reflective surfaces with a chosen distance between them thus defining a cavity delimited by the reflecting surfaces between which the light may oscillate, and wherein at least one of said surfaces is partially transparent for transmission of light to or from said cavity. The filter comprises a first transparent material having a high refractive index, e.g. silicon, positioned in at least a part of said cavity, and at least one of said reflective surfaces being divided into a three dimensional pattern with varying shift relative to its plane, thus to provide a position dependent resonance condition between them for separation of different wavelengths in the light. | 11-06-2008 |
20100079755 | OPTICALLY CONTROLLED DETECTION DEVICE - A diffractive optical element device for use in spectroscopy, where broadband light is emitted from a light source towards the optical element and from there is transmitted to at least one detector. The optical element has a plurality of diffractive dispersively focusing patterns, preferably partly integrated into each other, whose respective centers are two-dimensionally offset relative to each other in order to produce a plurality of spectra, where at least two are separate, but offset relative to each other and/or partly overlapping. In an alternative embodiment, the optical element consists of either one diffractive optical element that is related to a wavelength and produces a spectrum, or at least two diffractive optical elements which are related to respective wavelengths and which produce at least two mutually partly overlapping spectra to give a composite spectrum. The optical element is capable of producing at least one indication of upper and/or lower wavelength value in the spectrum. | 04-01-2010 |
20110013189 | Adjustable Interference Filter - The present invention relates to an adjustable interference filter, especially for use in gas detection with infrared light within a chosen range, comprising at least two essentially parallel reflective surfaces separated by a chosen distance defining a cavity delimited by the reflective surfaces between which the light may oscillate, and at least one of said surfaces being semitransparent for transmission of light to or from the cavity. The filter comprises a transparent material with a chosen thickness and having a high refractive index positioned in the cavity, and adjustable separation means for adjusting the cavity length between the reflecting surfaces, so as to obtain a cavity constituted by the transparent, high refractive index material and a an adjustable part. | 01-20-2011 |
20110096411 | FLEXIBLE LENS ASSEMBLY WITH VARIABLE FOCAL LENGTH - The present invention is related to a lens assembly comprising a flexible lens body ( | 04-28-2011 |
20110149408 | COMPACT POLYMER LENS - The invention relates to an optical element having adjustable focal length comprising a first transparent layer having a chosen flexibility and being provided with a piezoelectric layer adapted to contract upon the application of an electrical voltage and thus bend the first transparent layer, the piezoelectric layer being symmetrically positioned relative to an axis, and wherein the first transparent layer is applied on a substrate having a through going cavity positioned essentially symmetrical relative to said axis, and a transparent polymer being positioned in said cavity having a surface contact with said first transparent layer. | 06-23-2011 |
20110149409 | POLYMER LENS - The invention relates to an optical element having adjustable focal length, and a method for producing an optical element. The optical element comprising a first transparent layer and a transparent soft polymer having a chosen refractive index situated thereon, said layer being made from a material having a chosen flexibility, e.g. a thin glass layer, the optical element also being provided with an actuator for applying a force upon said flexible layer, said force being essentially symmetric relative to said axis thus bending the layer providing a lens surface and providing a curved refractive surface. | 06-23-2011 |
20120002913 | PHOTONIC CRYSTAL SENSOR - This invention relates to an optical sensor element comprising a photonic crystal constituted by a membrane of a chosen transparent material, the membrane being provided with a number of defined openings in a chosen pattern, the pattern being adapted to provide resonance at a chosen wavelength or range of wavelengths, wherein said openings are provided with a reactive material acting as a receptor for a chosen type of molecules, e.g. proteins, the presence of which alters the resonance and/or scattering conditions in the sensor element thus altering the amount of light propagating out of the membrane plane. | 01-05-2012 |
20120162664 | ACTUATOR FOR MOVING A MICRO MECHANICAL ELEMENT - The present invention relates to an actuator for moving a rigid element, e.g. an optical element such as mirror ( | 06-28-2012 |
20120243095 | CONFIGURABLE MICROMECHANICAL DIFFRACTIVE ELEMENT WITH ANTI STICTION BUMPS - The invention relates to a micromechanical unit, in particular, an adjustable optical filter, and also a method to manufacture the unit. The unit comprises a first device layer and a second substrate layer at least partially fastened to each other, where the device layer comprises a number of reflecting elements divided between a number of non movable, fixed reflecting elements, where the fixed elements are connected with the substrate, and where a cavity is defined between the substrate and each movable element and each movable element is set up to produce a spring-loaded movement into the cavity, and where a number of dielectric spacer blocks are placed in the cavities between each movable element and the substrate to avoid electric contact between them. | 09-27-2012 |
20150109650 | ACTUATOR FOR MOVING A MICRO MECHANICAL ELEMENT - The present invention relates to an actuator for moving a rigid element, e.g. an optical element such as minor, the element being mechanically coupled to a frame with a bendable coupling, wherein actuator elements are mounted on said coupling between the frame and element, the coupling and actuator elements being adapted to provide a movement to the element when subject to signal from a signal generator. | 04-23-2015 |
20150219642 | PROTEIN SPECIFIC OPTICAL DETECTION - This invention relates to a system and method for detecting target molecules using an optical sensor element comprising a photonic crystal constituted by a membrane of a chosen transparent material, being provided with a number of defined openings in a chosen pattern, a chosen number of said openings providing a capture molecules having a high affinity to said target molecules, the pattern being adapted to provide resonance at a chosen wavelength, or range of wavelengths. The system and method also moving a first fluid flow containing target molecules through said openings and after this conducting a second fluid flow containing a second reactant being different from said capture molecules but having a high affinity for the target molecules but a low affinity for other possible molecules in said first flow. By illuminating said sensor element at said chosen wavelength thus obtaining a resonance and imaging means for providing an image of said sensor element it is possible to detect tight leaking from the resonator. Analyzing means may then detect the captured molecules as well as the reactant having reacted with them based on the amount of light leaking from, the resonator. | 08-06-2015 |
Patent application number | Description | Published |
20100033550 | DISTRIBUTED REAL-TIME MEDIA COMPOSER - A system and a method allowing simultaneous exchange of audio, video or data information between a plurality of units over a communication network, supported by a central unit, wherein the central unit is, based on knowledge regarding one or more of the units, adapted to instruct said one or more units to generate multimedia data streams adjusted to fit into certain restrictions to be presented on other units participating in a same session. | 02-11-2010 |
20100166059 | METHOD AND APPARATUS FOR VIDEO COMPRESSION - A unified solution to coding/decoding of different video formats such as 4:2:0, 4:2:2 and 4:4:4 is provided. A method of video coding includes transforming a first m×n macro block of residual chrominance pixel values of moving pictures by a first integer-transform function generating a corresponding second m×n macro block of integer-transform coefficients, further transforming DC values of the integer-transform coefficients by a second integer-transform function to generate a third block of integer-transformed DC coefficients. The method further includes generating the second m×n macro block of integer-transform coefficients by utilizing a k×k integer-transform function on each k×k sub-block of the first m×n macro block, wherein n and m are each a multiple of k, and generating the third block of coefficients by utilizing a second ixj integer-transform function on the DC values resulting in a (m/k)×(n/k) third block of integer-transformed DC coefficients. | 07-01-2010 |
20130038677 | DISTRIBUTED REAL-TIME MEDIA COMPOSER - A system and a method allowing simultaneous exchange of audio, video or data information between a plurality of units over a communication network, supported by a central unit, wherein the central unit is, based on knowledge regarding one or more of the units, adapted to instruct said one or more units to generate multimedia data streams adjusted to fit into certain restrictions to be presented on other units participating in a same session. | 02-14-2013 |
20140354766 | DISTRIBUTED REAL-TIME MEDIA COMPOSER - A system and a method allowing simultaneous exchange of audio, video or data information between a plurality of units over a communication network, supported by a central unit, wherein the central unit is, based on knowledge regarding one or more of the units, adapted to instruct said one or more units to generate multimedia data streams adjusted to fit into certain restrictions to be presented on other units participating in a same session. | 12-04-2014 |