Perovic
Doug Perovic, Toronto CA
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20130259738 | Low Melting Temperature Solder Alloy - A solder composition is provided. The solder composition consists essentially of from about 6.0 to 7.5 percent by weight of bismuth, from about 0.5 to 0.7 percent by weight of copper, and the remainder of the composition being tin. | 10-03-2013 |
20150258636 | SOLDER ALLOY FOR LOW-TEMPERATURE PROCESSING - A solder composition is provided comprising from about 5.5 to 7.0 percent by weight of bismuth, from about 2.0 to 2.5 percent by weight of silver, from about 0.5 to 0.7 percent by weight of copper, and the remainder of the composition being tin. The use of the solder composition and an electronic device comprising the solder composition are also provided. | 09-17-2015 |
Doug Dragan Perovic, Toronto CA
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20090130412 | Method of transformation of bridging organic groups in organosilica materials - This invention relates to a chemical transformation of the bridging organic groups in metal oxide materials containing bridging organic groups, such as bridged organosilicas, wherein such a transformation greatly benefits properties for low dielectric constant (k) applications. A thermal treatment at specific temperatures is shown to cause a transformation of the organic groups from a bridging to a terminal configuration, which consumes polar hydroxyl groups. The transformation causes k to decrease, and the hydrophobicity to increase (through ‘self-hydrophobization’). As a result of the bridge-terminal transformation, porous organosilica films are shown to have k<2.0, E> | 05-21-2009 |
Milan Perovic, Ljubljana SI
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20160051441 | SYSTEMS AND METHODS FOR PROVIDING AND USING A COLLAPSIBLE SAUNA - While such systems and methods can include any suitable component, in some cases, they include a first and a second piece of sauna housing and a sauna heater. In some such cases, the second piece of sauna housing slidingly couples with the first piece to define an interior sauna chamber. Additionally, in some cases, a first portion of the second piece of sauna housing is configured to slidably fit within the first piece such that a volume of the sauna chamber is configured to increase and decrease, respectively, when the second piece is moved into an extended position or when the second piece is moved from the extended position into a collapsed position in which the second piece nests within the first piece. In some cases, the first and second pieces include a ceiling that is configured to extend over a user within the sauna chamber. Other implementations are described. | 02-25-2016 |
Srdjan Perovic, Ottawa CA
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20100326411 | TWO STROKE ENGINE WITH REGULAR LUBRICATION SYSTEM - This is a novel two-stroke engine design which achieves the best properties of both the two and the four-stroke types of engine. The design has a simple and effective lubrication system, a clean exhaust system, and an increased power to displacement ratio. | 12-30-2010 |
20100329497 | Speaker-transducer with its own Bass-Reflex and maximum efficiency cooling - This is a novel speaker design which introduces its own internal bass-reflex. This design improves over existing designs in that it leads to acoustics that are more natural and of higher quality and, that it also leads to much improved cooling for the speaker's voice coil. | 12-30-2010 |
Tom Perovic, Mississauga CA
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20100060736 | Vehicle Interior Classification System And Method - A vehicle interior classification system and method in accordance with the present invention determines a classification relating to the interior of the vehicle, such as the occupancy status of a vehicle seat or the state of alertness of a vehicle driver, from one or more images of an appropriate portion of the interior of the vehicle acquired with an image capture device. The acquired images are preferably processed to limit the dynamic range of the images to obtain a resultant image which can comprise one or more regions of interest which are less than the total field of view of the image capture device. The resultant images are processed to extract information about features in the image and, in one embodiment, this processing is achieved with a two-dimensional complex discrete wavelet transform which produces a set of coefficients corresponding to the presence and/or location of the features in the resultant image. The set of coefficients produced with such a transform is potentially quite large and can be reduced, through described techniques, to a subset of the total number of coefficients, the members of the subset being selected for their ability to discriminate between the classifications defined for the system. By selecting a subset of the possible coefficients, computational requirements are reduced, as are hardware requirements in the system, such as memory. The selected set of coefficients (whether comprising all of the coefficients or a subset thereof) are provided to a classifier which processes the coefficients with a set of calibration vectors, that were determined when the system was calibrated, to determine the most probable classification for the portion of the vehicle interior. | 03-11-2010 |
20140063254 | METHOD FOR CALIBRATING VEHICULAR VISION SYSTEM - A method for calibrating a vehicular vision system includes providing a camera at a vehicle, with the camera having a field of view. Images are captured with the camera and a set of resultant images are acquired for a classification. Information is extracted related to image features in the set of resultant images, and an appropriate subset of coefficients is determined. For each classification, a classification vector of at least one appropriate weight is stored that corresponds to the determined subset of coefficients. | 03-06-2014 |
20150312565 | METHOD FOR CALIBRATING VEHICULAR VISION SYSTEM - A method for calibrating a vehicular vision system includes providing a camera at a vehicle, with the camera having a field of view. Images are captured with the camera and a set of resultant images are acquired for a classification. Information is extracted related to image features in the set of resultant images, and an appropriate subset of coefficients is determined. For each classification, a classification vector of at least one appropriate weight is stored that corresponds to the determined subset of coefficients. The determined subset of coefficients is determined by processing sets of coefficients produced from a selection of calibration images and determining a subset of coefficients which acceptably discriminate between defined classifications. A set of resultant images is acquired by limiting the dynamic range of acquired images to obtain resultant images that include at least one region of interest. | 10-29-2015 |