| Patent application number | Description | Published |
|---|
| 20090034078 | OPTICAL IDENTIFICATION ELEMENT HAVING A NON-WAVEGUIDE SUBSTRATE - An optical identification element including a non-waveguide optical substrate. The optical substrate has a volume and includes an inner region surrounded by an outer region. The inner region has an index of refraction that prevents the optical substrate from forming an optical waveguide. The optical substrate includes a diffraction grating within the volume, and the grating provides an output signal indicative of a code when illuminated by an incident light. | 02-05-2009 |
| 20090073520 | ENCODED MICROPARTICLES AND A METHOD FOR FABRICATING - A method for fabricating microparticles is provided. The method includes providing a removable substrate that has a photosensitive material. The substrate has a plurality of inner regions. Each inner region surrounds a corresponding outer region. The method also includes providing at least one optically detectable code within at least one of the inner regions of the substrate and etching lines into the substrate to create a plurality of microparticles having at least one optically detectable code therein. The microparticles have elongated bodies that extend in an axial direction. The optically detectable codes extend in the axial direction within the microparticles. | 03-19-2009 |
| 20100157086 | DYNAMIC AUTOFOCUS METHOD AND SYSTEM FOR ASSAY IMAGER - A method and system are provided for controlling focus dynamically of a sample imager. The method comprises scanning a sample with an optical assembly that apportions the sample into regions based on a scan pattern. The optical assembly has a focal setting with respect to the sample. The method further comprises shifting the focal setting of the optical assembly during scanning of the sample, and detecting one or more images representative of one of the regions from the sample. The one or more images have associated degrees of focus corresponding to the focal setting of the optical assembly. The method analyzes the image(s) to obtain a focus score or scores corresponding thereto, where the focus scores represent a degree to which the optical assembly was in focus when detecting the images. The method adjusts the focus setting based on the focus score(s). | 06-24-2010 |
| 20110003394 | ENCODED MICROPARTICLES - An encoded microparticle including an optical substrate comprising a material that permits light to propagate therethrough. The optical substrate has an elongated body that extends in a direction along a central axis. The optical substrate includes an outer region that extends about the central axis. The encoded microparticle also includes an optically detectable code that is disposed within the optical substrate and extends along the central axis. The outer region surrounds the optically detectable code about the central axis. The optically detectable code is readable when the light propagates through the outer region and is at least one of reflected or filtered by the optically detectable code. Said at least one of reflected or filtered light propagates through the outer region to be detected for reading the optically detectable code. | 01-06-2011 |
| 20110105356 | COMPOSITIONS AND METHODS FOR PROVIDING SUBSTANCES TO AND FROM AN ARRAY - Methods, kits, systems, and multilayer transfer media for transferring a substance to and from an array are disclosed herein. Also disclosed herein are methods of detecting a substance that has been transferred to an array. | 05-05-2011 |
| 20110105361 | MICROVESSELS, MICROPARTICLES, AND METHODS OF MANUFACTURING AND USING THE SAME - A method of reading a plurality of encoded microvessels used in an assay for biological or chemical analysis. The method can include providing a plurality of encoded microvessels. The microvessels can include a respective microbody and a reservoir core configured to hold a substance in the reservoir core. The microbody can include a material that surrounds the reservoir core and facilitates detection of a characteristic of the substance within the reservoir core. Optionally, the material can be transparent so as to facilitate detection of an optical characteristic of a substance within the reservoir core. The microbody can include an identifiable code associated with the substance. The method can also include determining the corresponding codes of the microvessels. | 05-05-2011 |
| Patent application number | Description | Published |
|---|
| 20090194589 | OPTICAL READER SYSTEM FOR SUBSTRATES HAVING AN OPTICALLY READABLE CODE - An optical reader system that includes a plurality of substrates. The substrates have an optically readable code disposed therein and a source light assembly that is configured to illuminate the substrates with a code-reading beam and another beam for detecting another optically readable property of the substrate. The code-reading beam and the other beam form beam spots on the substrates that have different shapes. The system also includes a reader that is configured to receive output signals from the code-reading beam and the other beam when the substrates are illuminated. The output signals from the code-reading beam are indicative of the code. | 08-06-2009 |
| 20100025482 | COMPOSITION INCLUDING AN ITEM AND AN ENCODED OPTICAL IDENTIFICATION ELEMENT THAT IS PHYSICALLY ASSOCIATED WITH THE ITEM - A composition including an item and an optical identification element that is physically associated with the item. The optical identification element includes a binder material and one or more materials embedded in the binder material. The one or more materials provides a composite X-ray diffraction pattern when illuminated by an X-ray beam. The composite X-ray diffraction pattern being indicative of a code. The code relating to information about the item. | 02-04-2010 |
| 20100099574 | METHODS OF IDENTIFYING AN ANALYTE AND NUCLEIC ACID ANALYSIS - A method of identifying an analyte. The method includes providing a plurality of microparticles. The microparticles have optically detectable codes extending along bodies of the corresponding microparticle. The microparticles have the chemical probes attached thereto. Each of the chemical probes is associated with a corresponding one of the codes. The method also includes selectively binding target analytes to the chemical probes on the microparticles to produce labeled microparticles and distributing the labeled microparticles to random locations of a substrate. The method also includes determining the codes for the labeled microparticles in the random array and code positions of the codes in the random array. The method further includes detecting the label on the labeled microparticles in the random array and label positions of the labels in the random array. The method also includes using the code positions and the label positions to analyze the target analyte. | 04-22-2010 |
| 20100246005 | Encoded particle having a grating with variations in the refractive index - Microparticles | 09-30-2010 |
| 20100246007 | COMPOSITION INCLUDING AN ITEM AND AN ENCODED OPTICAL SUBSTRATE AND A METHOD FOR IDENTIFYING AN ITEM - A method and apparatus for drug product tracking (or other pharmaceutical, health care or cosmetics products, and/or the packages or containers they are supplied with) using diffraction grating-based encoded optical identification elements | 09-30-2010 |
| 20110033948 | METHOD OF READING ENCODED PARTICLES - Microparticles | 02-10-2011 |
| 20110058172 | METHODS OF IDENTIFYING ANALYTES AND USING ENCODED PARTICLES - A method of identifying analytes that react with probes on encoded particles. The method includes providing a support substrate that has a plurality of the particles randomly distributed on the support substrate. The particles have elongated bodies with codes that extend along the corresponding bodies. The codes identify probes that are attached to the corresponding bodies, wherein at least some of the probes include fluorescent labels from reactions with the analytes. The method also includes detecting fluorescent signals that are emitted from the fluorescent labels. The fluorescent signals emit from random spatial locations along the support substrate. The method also includes detecting the codes of the particles at the random spatial locations along the support substrate and analyzing the codes and the fluorescent signals to identify the analytes that react with the probes on the particles. | 03-10-2011 |
| 20110114729 | OPTICAL READER SYSTEM FOR SUBSTRATES HAVING AN OPTICALLY READABLE CODE - An optical reader system including a source light assembly that has a code-reading beam and a fluorescence-excitation beam that are configured to illuminate encoded substrates. The substrates have optically readable codes that provide output signals when the code-reading beam is incident thereon. The output signals are indicative of the codes. The reader system also includes a fluorescence detector that is configured to detect fluorescent signals from the substrates and code pickup optics that are configured to project the output signals from the optically readable codes onto a Fourier plane. The reader system also includes a code detector that is positioned to detect the output signals in the Fourier plane. | 05-19-2011 |
