Patents and Patent Applications from Carnegie Mellon University


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5931966 Viterbi detector with a pipelined look-up table of squared errors  
The present invention is directed to a detector circuit for detecting a binary data sequence from an input sequence of data. The detector circuit comprises a storage device for storing a plurality...
5920838 Reading and pronunciation tutor  
A computer implemented reading tutor comprises a player for outputting a response. An input block implementing a plurality of functions such as silence detection, speech recognition, etc. captures...
5913259 System and method for stochastic score following  
The present invention is directed to a computer implemented method for stochastic score following. The method includes the step of calculating a probability function over a score based on at least...
5911669 Vision-based crop line tracking for harvesters  
A self-propelled harvester is provided with apparatus for tracking a crop line and steering the harvester along the crop line without operator assistance. The apparatus includes a video camera for...
5910549 Method for preparation of alkoxyamines from nitroxyl radicals  
An improved process for free radical polymerization is produced making it possible to control the growth steps of a polymerization to produce homopolymers and copolymers, including block and graft...
5908752 Methods for producing phospholipid metabolites in yeast  
Methods are provided for increased and controlled production of choline and inositol, choline and inositol metabolites, and choline- and inositol-containing phospholipids in yeast, comprising the...
5880976 Apparatus and method for facilitating the implantation of artificial components in joints  
Apparatuses and methods are disclosed for determining an implant position for at least one artificial component in a joint and facilitating the implantation thereof. The apparatuses and methods...
5877310 Glycoconjugated fluorescent labeling reagents  
Water soluble glycoconjugated fluorescent labeling reagents comprised of a fluorescent dye, one or more sugar or carbohydrate residues that impart water solubility, and a reactive group that allows...
5876625 Metal ligand containing bleaching compositions  
The invention provides a novel bleaching composition comprising: (a) an oxidatively stable bleach activator having the structure ##STR1## wherein Y1, Y3 and Y4 each represents a bridging group,...
5870755 Method and apparatus for capturing and presenting digital data in a synthetic interview  
A method of creating a database for facilitating a synthetic interview begins with the step of generating questions. The questions and responses to the questions are recorded. A transcript of the...
5863661 Method of enhancing the c-axis perpendicular orientation of barium hexaferrite thin films and barium hexaferrite thin film recording media produced thereby  
A method of making c-axis perpendicularly oriented barium hexaferrite thin films by the crystallization of amorphous barium hexaferrite on a platinum underlayer is provided. Using a thin underlayer...
5855000 Method and apparatus for correcting and repairing machine-transcribed input using independent or cross-modal secondary input  
The method of the present invention is comprised of the steps of locating an error within a recognition hypothesis. A repair hypothesis is generated for the located error from a secondary input...
5854856 Content based video compression system  
A content based method of compressing a segment of video is implemented in two stages. In a spatial integration stage, figures are represented in terms of compact models. In a temporal integration...
5853428 Metal ligand containing bleaching compositions  
The invention provides a novel composition for bleaching cellulose based materials, such as wood pulp and paper comprising: (a) an oxidatively stable bleach activator having the structure ##STR1##...
5852191 Rigidized monomethine cyanines  
Boron complexes of certain bis-heterocyclic compounds are provided. The complexes resemble monomethine cyanines and are useful for imparting fluorescent properties to materials by covalent and...
5847120 Long-lived homogenous oxidation catalysts  
A robust chelate complex is provided having the formula: ##STR1## wherein M is a metal, preferably a transition metal; Z is an anionic donor atom, at least three of which are nitrogen and the other...
5843888 Low oxygen affinity mutant hemoglobin  
A non-naturally occurring mutant hemoglobin (α96Val➝Trp) is provided that has a lower oxygen affinity than that of native hemoglobin, but high cooperativity in oxygen binding. The mutant he...
5841577 Light microscope having acousto-optic tunable filters  
A light microscope comprises a light source and a first acousto-optic tunable filter responsive to the light source for producing two light streams of different polarization. A control circuit is...
5835667 Method and apparatus for creating a searchable digital video library and a system and method of using such a library  
An apparatus and method of creating a digital library from audio data and video images. The method includes the steps of transcribing the audio data and marking the transcribed audio data with a...
5825660 Method of optimizing component layout using a hierarchical series of models  
A method of optimizing a three-dimensional component layout in accordance with predetermined constraints is comprised of the steps of generating a plurality of models for each component. The...
5814845 Four rail circuit architecture for ultra-low power and voltage CMOS circuit design  
A circuit architecture is disclosed wherein power is supplied to a CMOS circuit through a first pair of voltage rails, including a first voltage rail (12) providing a first voltage and a second...
5809144 Method and apparatus for purchasing and delivering digital goods over a network  
A method for purchasing and delivering goods over a network is comprised of the steps of identifying a digital good to be purchased. A purchase price for the digital good is negotiated. After the...
5807937 Processes based on atom (or group) transfer radical polymerization and novel (co) polymers having useful structures and properties  
Improved processes have been developed for atom (or group) transfer radical polymerization (ATRP). In one improvement, the ATRP process involves polymerizing in the presence of a (partially) free...
5801881 Field synthesis and optical subsectioning for standing wave microscopy  
In an improved optical microscope for observing a luminescent specimen, the specimen is excited by a single, on axis or multiple superposed series of standing wave fields. Then an image of the...
5800931 Magnetic recording medium with a MgO sputter deposited seed layer  
The present invention provides a longitudinal magnetic recording media having a substrate, a sputter deposited MgO seed layer, a Co or Co alloy based magnetic layer and an underlayer disposed...
5796512 Subicron imaging system having an acousto-optic tunable filter  
An imaging system comprises an acousto-optic tunable filter for receiving light at an input end thereof and outputting light at an output end thereof. A control circuit is provided for tuning the...
5789487 Preparation of novel homo- and copolymers using atom transfer radical polymerization  
The present invention is directed to a process of atom (or group) transfer radical polymerization for the synthesis of novel homopolymer or a block or graft copolymer, optionally containing at...
5783263 Process for forming nanoparticles  
A metal or alloy nanoparticle is provided which exhibits hysteresis at room temperature having a carbon coating. The nanoparticle has a diameter in the range of approximately 0.5 to 50 nm, and may...
5781698 Method of autonomous machine learning  
A classifier for signal classification based on a plurality of classification signals can be generated in three phases: a training phase, an orchestration phase, and a final classifier phase. In...
5772902 Method to prevent adhesion of micromechanical structures  
A method is provided for inhibiting stiction of suspended microstructures during post-release-etch rinsing and drying. The microstructures are shaped to include additional convex corners at regions...
5763548 (Co)polymers and a novel polymerization process based on atom (or group) transfer radical polymerization  
A new polymerization process (atom transfer radical polymerization, or ATRP) based on a redox reaction between a transition metal (e.g., Cu(I)/Cu(II), provides "living" or controlled radical...
5759151 Flexible steerable device for conducting exploratory procedures  
A flexible, steerable device for conducting exploratory procedures is disclosed. The device includes at least one spine, each having stiffening means for selectively rendering the spine rigid and...
5753465 Unmodified recombinant human adult hemoglobin production  
Methods for obtaining unmodified recombinant human normal adult hemoglobin involve a novel expression plasmid that coexpresses human α- and β-globin genes and E. coli methionine aminopeptidase g...
5748954 Method for searching a queued and ranked constructed catalog of files stored on a network  
A method of constructing a catalog of files stored on a network comprised of a plurality of interconnected computers each having a plurality of files stored thereon. The method is accomplished by...
5717631 Microelectromechanical structure and process of making same  
A microelectromechanical device is comprised of a cantilevered beam positioned above, and free to move relative to, a substrate. The beam may carry a plurality of conductors which are insulated...
5715060 Apparatus and method for measuring linear nanometric distances using evanescent radiation  
An apparatus and method is disclosed for measuring the distance between a first body having a first surface separated by a medium from a second body through the use of transmitted evanescent...
5712957 Locating and correcting erroneously recognized portions of utterances by rescoring based on two n-best lists  
A method of repairing machine-recognized speech is comprised of the steps of receiving from a recognition engine a first n-best list of hypotheses and scores for each hypothesis generated in...
5693426 Magnetic recording medium with B2 structured underlayer and a cobalt-based magnetic layer  
The present invention provides a longitudinal magnetic recording media having a substrate, a Co or Co alloy based layer and an underlayer disposed between the substrate and the magnetic layer...
5689591 Apparatus and method for noncausal, predictive, digital image compression  
The present invention is directed to an apparatus and method for converting a noncausal, two dimensional signal representative of a digitized image into an equivalent data format that can be...
5684807 Adaptive distributed system and method for fault tolerance  
An adaptive distributed diagnostic system and method for a network having at least a first, a second and a third nodes. Both the third and first nodes and the third and second nodes, respectively,...
5676850 Micromechanical barb and method for making the same  
The present invention pertains to a method for making a plurality of barbs. The method is comprised of the steps of first forming a substrate of a first material with a layer of a second material...
5675489 System and method for estimating lateral position  
A system for estimating lateral offset of a vehicle from a centered position on a road is comprised of a video camera and a digitizer to produce digitized input signals representative of the road...
5664227 System and method for skimming digital audio/video data  
A method for skimming digital audio and video data, wherein the video data is partitioned into video segments and the audio data has been transcribed, is comprised of the steps of selecting...
5658636 Method to prevent adhesion of micromechanical structures  
A method is provided for inhibiting stiction of suspended microstructures during post-release-etch rinsing and drying. The microstructures are shaped to include additional convex corners at regions...
5627027 Cyanine dyes as labeling reagents for detection of biological and other materials by luminescence methods  
Cyanine and related dyes, are strongly light absorbing and highly luminescent. These dyes are covalently attached to proteins and other biological and nonbiological materials to make these...
5599701 Inositol-excreting yeast  
A yeast cell, preferably Saccharomyces cerevisiae, which contains a functional stable recombinant DNA sequence that does not allow for the encoding of a negative regulator of phospholipid...
5581677 Creating charts and visualizations by demonstration  
A system and method to automatically produce a display chart from example graphics and data values. New or existing example graphics are drawn with a programmable data processing system, and the...
5574640 Case-based scheduling method for creating a schedule  
The present invention is embodied in a machine-implemented method of automatically correcting errors in an industrial schedule. The invention maintains a set of repair heuristics which may be...
5569766 Method for labeling and detecting materials employing arylsulfonate cyanine dyes  
A method for detecting a component of an aqueous liquid comprising adding to the liquid a luminescent dye selected from the group consisting of cyanine, merocyanine and styryl dyes containing at...
5569587 Method for labeling and detecting materials employing luminescent arysulfonate cyanine dyes  
A method for detecting a component of an aqueous liquid comprising adding to the liquid a luminescent dye selected from the group consisting of cyanine, merocyanine and styryl dyes containing at...