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Naydenova
Izabela Naydenova, Dublin IE
| Patent application number | Description | Published |
|---|---|---|
| 20090246642 | HOLOGRAPHIC DETECTION OF ANALYTE BY ACTIVE DYE - We propose a method of detecting the presence of certain chemical and biochemical substances by virtue of the fact that they are, or have attached to them, either a dye molecule which acts as a photosensitizer for a holographic recording process, or another essential molecular component of the holographic recording material such as a monomer or a free radical generator. A recording material used in the process utilizes a photopolymer system consisting of a monomer and a crosslinking monomer, a free radical generator, a photosensitizer and, additionally, a polymeric binder when dry formulations are required and specifically lacks the substance to be detected. Subsequent holographic exposure records an interference pattern only where the complementary substance is present. Applications are broad ranging. Examples in diagnostics, printing, security, and environmental monitoring are given. | 10-01-2009 |
| 20090266145 | Holographic Sensor - A sensor device comprising a holographic element comprises a grating or hologram recorded in a holographic recording medium wherein at least one physical and/or chemical and/or optical characteristic of the holographic element or the image produced by it varies as a result of variation in relative humidity or moisture content in the air surrounding the element. Also provided is an acrylamide-based photopolymer and an acrylamide-based reflection hologram. | 10-29-2009 |
| 20110069596 | HOLOGRAPHIC RECORDING METHOD, A HOLOGRAPHIC RECORDING MEDIUM AND USE OF SUCH MEDIUM - A method of recording content comprising the steps of: providing a content storage medium comprising a pre-recorded grating or hologram; and illuminating a pre-recorded grating or hologram with a single recording beam to record content in the grating or hologram. The recording beam may increase the diffraction efficiency of the pre-recorded grating or hologram. Alternatively, the recording beam may form a new grating or hologram in close proximity to a pre-recorded grating or hologram. | 03-24-2011 |
Izabela Naydenova, Roebuck Road IE
| Patent application number | Description | Published |
|---|---|---|
| 20100167179 | METHOD OF MAKING A REFLECTION HOLOGRAM AND A REFLECTION HOLOGRAM - The present application provides a method of manufacturing a reflection hologram. The method comprises the steps of placing a first pattern of activating material upon a layer of inactive holographic recording material to selectively activate the layer and exposing the layer to holographic recording process for producing a reflection hologram. | 07-01-2010 |
Vera Naydenova, Wiesloch DE
| Patent application number | Description | Published |
|---|---|---|
| 20080294670 | METHOD AND SYSTEM FOR HIERARCHICAL LOGGING - A method and system to create a logical hierarchy of log files is described. The method records data about each event occurring during a maintenance procedure in a first order log file. Detailed information about the event is redirected to a further order log file. In some case, the hierarchical nature allows the event data to be analyzed and the error causing the event to be corrected without human intervention. | 11-27-2008 |