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Simon Fraser University Patents
Assignee:
Simon Fraser University
Address:
Burnaby, CA
No. of patents:
72
Patents:


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Patent Number Title Of Patent Date Issued
8571662 Transvascular nerve stimulation apparatus and methods October 29, 2013
Electrode structures for transvascular nerve stimulation combine electrodes with an electrically-insulating backing layer. The backing layer increases the electrical impedance of electrical paths through blood in a lumen of a blood vessel and consequently increases the flow of electr
8253536 Security document with electroactive polymer power source and nano-optical display August 28, 2012
A security document is disclosed which includes an electrical circuit embedded in a document substrate, where the electrical circuit includes a power source with at least one electroactive polymer power generator, and an optical display including at least one electroluminescent display
8225658 Three-dimensional microstructures and methods for making same July 24, 2012
Microstructures can be formed as patterned layers on a substrate and then erecting the microstructures out of the plane of the substrate. The microstructures may be formed over circuits in the substrate. In some embodiments the patterned layer provides resiliently-flexible members su
8217932 Systems and methods for implementing haptic systems and stimulated environments July 10, 2012
A method is provided for simulating interaction between a tool and an object. The method involves: providing a tool model for simulating the tool in a simulated environment; providing a mesh for simulating the object in the simulated environment, the mesh comprising a plurality of no
8212473 Flexible polymeric light emitting/charge storage device and system July 3, 2012
A light emitting/charge storage device is disclosed. The light emitting/charge storage device includes an organic light emitting diode (OLED) portion and at least one charge storage portion electrically and physically connected therewith. The OLED portion includes a first anode layer
8194514 Methods for assessing the results of disc-based bioassays with standard computer optical drives June 5, 2012
Methods and systems are described for assessing the results of a bioassay between probe biomolecules and target biomolecules using conventional optical disk drive. particular methods involve: bonding the probe biomolecules to a polycarbonate (PC) surface of an optical disk having dig
8124032 Microfluidic device and method of using same February 28, 2012
The invention relates to a microfluidic device comprising one or more fluid channels, one or more fluid ports, and a V-shaped particle retention structure. The fluid channel is generally opposite the particle retention structure, fluid ports are located between the fluid channel and
8043860 Vapochromic coordination polymers for use in analyte detection October 25, 2011
This application relates to vaprochromic coordination polymers useful for analyte detection. The vapochromism may be observed by visible color changes, changes in luminescence, and/or spectroscopic changes in the infrared (IR) signature. One or more of the above chromatic changes may
8009209 Methods and apparatus for detecting defects in imaging arrays by image analysis August 30, 2011
Methods for detecting defective pixels in imaging arrays involve establishing probabilities that individual pixels are defective and updating those probabilities by analysing images acquired by the imaging arrays. Probabilities may be evaluated for each of two or more defect conditio
8008090 Vapochromic coordination polymers for use in analyte detection August 30, 2011
This application relates to vaprochromic coordination polymers useful for analyte detection. The vapochromism may be observed by visible color changes, changes in luminescence, and/or spectroscopic changes in the infrared (IR) signature. One or more of the above chromatic changes may
7995113 High gain digital imaging system August 9, 2011
The present invention provides digital imaging architectures comprising detectors coupled to readout circuitry, wherein the readout circuitry is capable of providing large amplification to small, noise sensitive input signals to improve their noise immunity, as well as capable of providi
7962318 Methods for optimizing system models and the like using least absolute value estimations June 14, 2011
Methods are provided for fitting a curve to a set of data values using a least absolute value (LAV) cost function. The set of data values may comprise m sets of data values. The method takes advantage of contraction mapping to determine a number n<m of individual equations which are
7947443 DNA and RNA conformational switches as sensitive electronic sensors of analytes May 24, 2011
The electrical conductivity of DNA and other oligonucleotide constructs is dependent on its conformational state. Such a dependence may be harnessed for the electronic sensing of external analytes, for instance, adenosine or thrombin. Such a DNA sensor incorporates an analyte recepto
7943301 DNA conformational switches as sensitive electronic sensors of analytes May 17, 2011
The electrical conductivity of DNA and other oligonucleotide constructs is dependent on its conformational state. Such a dependence may be harnessed for the electronic sensing of external analytes, for instance, adenosine. Such a DNA sensor incorporates an analyte receptor, whose alt
7936240 Lithographically controlled curvature for MEMS devices and antennas May 3, 2011
Lithographically fabricated apparatus are provided. The apparatus are capable of self-assembly to extend at least in part in an out-of-plane direction. A cantilever arm is anchored to a substrate at one of its ends and fabricated to provide a cantilever portion that extends from the
7824920 Method of mass spectrometric analysis from closely packed microspots by their simultaneous laser November 2, 2010
This application relates to a process for controllably placing two or more microspots on a target substrate in close proximity to one another. The microspots may then be simultaneously irradiated and the resulting ions detected by mass spectrometry, such as time of flight mass spectromet
7794712 Production of mutant strain of Aspergillus fumigatus, method of assay for inhibiting siderophore September 14, 2010
This application relates to the production and characterization of a mutant strain of Aspergillus fumigatus. The application also relates to a method for inhibiting siderophore biosynthesis in Aspergillus fumigatus and an assay for identifying drug candidates or other agents having p
7791032 Multi-mode digital imaging apparatus and system September 7, 2010
The present invention provides digital imaging architectures comprising detectors coupled to readout circuitry. The readout circuitry functions in particular modes, the use of which can depend on characteristics of the input signals transferred to the readout circuitry from the detec
7785897 Method and apparatus for producing a discrete droplet for subsequent analysis or manipulation August 31, 2010
A method and apparatus for producing a discrete particle for subsequent analysis (such as mass spectrometry) or manipulation is disclosed. A discrete particle is generated by a particle generator. A net charge is induced onto the particle by an induction electrode. The particle is de
7773659 UWB MCSK/BPPM wireless communication system and method for increased information rate August 10, 2010
Disclosed herein is an Ultra WideBand (UWB) M-ary Code Shift Keying (MCSK)/Binary Pulse Position Modulation (BPPM) wireless communication system and method. The system includes a transmitter and a receiver. The transmitter selects a specific TH code using MCSK according to an additio
7734537 Valuation methods, apparatus, media and signals, and methods relating to asset-secured loans June 8, 2010
A computer-implemented method includes determining, in respect of a loan secured by an asset, a present value of a right of a borrower of the loan to choose during a term of the loan to require an entity to pay the loan in full on the borrower's behalf in exchange for the asset, in respo
7660230 M-ARY orthogonal coded/balanced UWB transmitted reference systems February 9, 2010
A novel transceiver structure is proposed to increase the achievable data rate for ultra wideband transmitted reference (UWB-TR) systems. For every N.sub.s pulse pairs during one symbol transmission, the data pulses are weighted by one of the M-ary orthogonal sequences, thus carrying
7427529 Deposition of permanent polymer structures for OLED fabrication September 23, 2008
A light emitting display comprising a first electrode layer on a substrate. The electrode layer is patterned to form a plurality of laterally spaced apart strips in a first direction. A plurality of spacedly disposed light emitting organic elements with a second electrode layer atop
7353593 Method for assembling micro structures April 8, 2008
A method for making three-dimensional structures comprises providing a plurality of components, each of which is moveably coupled to a substrate. The components may be pivotally coupled to the substrate by one or more micromachined hinges. The components are moved using electrostatic
7190264 Wireless computer monitoring device with automatic arming and disarming March 13, 2007
A monitoring system for a valuable item, such as a digital device, has a base unit affixed to the valuable and a remote unit carried by a person responsible for the valuable. Signals are exchanged between the base and remote units. The base continuously monitors for signals from the remo
7176114 Method of depositing patterned films of materials using a positive imaging process February 13, 2007
The invention generally encompasses a method for forming a pattern on a substrate. The method comprises applying a precursor comprising at least one metal to a substrate to form a precursor layer, exposing a predetermined portion of the precursor layer and developing the predetermine
7074640 Method of making barrier layers July 11, 2006
The present invention involves a low-temperature, photoresist-free method of fabricating a barrier layer on a flexible substrate. An embodiment involves the conversion of a precursor into a top-surface imaging layer during a direct patterning step. Preferred precursors are formed from a
7041763 Photochromic polymers and methods of synthesizing same May 9, 2006
Ring-opening metathesis polymerization (ROMP) of a photochromic 1,2-bis-(3-thienyl)-cyclopentene monomer generated a series of novel polymers. All polymers exhibit reversible light-activated interconversion between their colorless-open and their colored-closed forms. ##STR00001## ##
7015751 Decorrelated power amplifier linearizers March 21, 2006
Procedures for decorrelating the branch signals of a signal adjuster of an amplifier linearizer are presented herein. The decorrelation procedures can be performed with or without self-calibration.
6997866 Devices for positioning implements about fixed points February 14, 2006
A method and apparatus for a spherical parallel mechanism are disclosed. The invention involves a platform and at least three kinetic chains. The kinetic chains each comprise a link with one end pivotally coupled to the platform about a first axis and a second end pivotally coupled to an
6977546 High efficiency power amplifier systems and methods December 20, 2005
A high efficiency, low distortion switching mode power amplifier for telecommunication applications includes an analog to binary digital converter and a class S amplifier terminated by an output filter/matching network capable of operation over one or more frequency bands. The modula
6860153 Gas pressure sensor based on short-distance heat conduction and method for fabricating same March 1, 2005
A thermal pressure sensor monitors pressure by measuring effects caused by variations of thermal conductivity between a member and a substrate to which the member is adhered by stiction. The interface between the member and the substrate behaves as an extremely narrow gap. In a preferred
6831512 Self-calibrated power amplifier linearizers December 14, 2004
An amplifier linearizer includes a signal adjuster having an internal signal, and an adaptation controller for monitoring the signal adjuster. The internal signal at an input to the adaptation controller is deemed a monitor signal. The adaptation controller generates a control signal for
6777036 Method for the deposition of materials from mesomorphous films August 17, 2004
A photoresist-free method for making patterned films of metal oxides, metals, or other metal containing compounds is described. The method involves applying a thin film coating of a metal complex, resulting in the formation of a liquid crystal film. This film can be photolyzed resulting
6734731 Self-calibrated power amplifier linearizers May 11, 2004
An amplifier linearizer includes a signal adjuster having an internal signal, and an adaptation controller for monitoring the signal adjuster. The internal signal at an input to the adaptation controller is deemed a monitor signal. The adaptation controller generates a control signal for
6683495 Reduced architecture for multibranch feedforward power amplifier linearizers January 27, 2004
An amplifier linearizer circuit has a signal cancellation circuit including a signal adjuster having M branch signals (M.gtoreq.1), and a distortion cancellation circuit including a signal adjuster having N branch signals (N.gtoreq.1). The linearizer has a controller for adaptively contr
6666088 Accelerometer without proof mass December 23, 2003
An accelerometer has a substrate with a cavity therein, a heater extending over the cavity, and a pair of temperature sensitive elements each spaced apart from the heater a distance of 75-400 microns also extending over the cavity. On passing an electrical current through the heater a sy
6660734 Oxazinones having antibacterial activity December 9, 2003
The invention relates to novel oxazinones designed to bind to the penicillin receptor, methods of synthesizing the compounds, and the use of the compounds as antibacterial agents. The compounds have the general formula (I) ##STR1##Preferably the compounds have a carboxyethyl or a sub
6589433 Accelerometer without proof mass July 8, 2003
A process for fabricating an accelerometer, which includes providing a substrate with a layer of electrically conductive material on the substrate, micromachining the substrate to form a central electrical heater, a pair of temperature sensitive elements, and a cavity beneath the hea
6455573 Glycosidase inhibitors and methods of synthesizing same September 24, 2002
A method for synthesizing Salacinol, its stereoisomers, and non-naturally occurring selenium and nitrogen analogues thereof having the general formula (I): ##STR1##The compounds are potentially useful as glycosidase inhibitors. The synthetic schemes comprise reacting a cyclic sulfate
6414546 Adaptive linearizer for RFpower amplifiers July 2, 2002
A feedforward amplifier is disclosed in which either the main amplifier or the auxiliary amplifier includes at least three parallel signal paths. Each of the signal paths includes a complex gain adjuster. In addition, a feedforward amplifier is disclosed in which a plurality of control
6399600 Oxazinones having antibacterial activity June 4, 2002
The invention relates to novel oxazinones designed to bind to the penicillin receptor, methods of synthesizing the compounds, and the use of the compounds as antibacterial agents. The compounds have the general formula (I) ##STR1##Preferably the compounds have a carboxyethyl or a sub
6355953 Spintronic devices and method for injecting spin polarized electrical currents into semiconducto March 12, 2002
Atomically ordered interfaces between semiconductor and ferromagnetic materials provide spin filters. The spin filters may be used to inject strongly spin polarized currents into a semiconductor for use in spintronic devices. Some suitable combinations of ferromagnetic metal and semi
6348239 Method for depositing metal and metal oxide films and patterned films February 19, 2002
The invention is directed to a photoresist-free method for depositing films composed of metals, such as copper, or its oxides from metal complexes. More specifically, the method involves applying an amorphous film of a metal complex to a substrate. The metal complexes have the formula M.
6310003 Composition of chemicals for manipulating the behavior of the orange wheat blossom midge, sitodi October 30, 2001
The invention relates to a composition and procedure for manipulating the behavior of the orange wheat blossom midge, Sitodiplosis mosellana. More importantly, this invention relates to the preparation and use of 2,7-nonanediyl dibutyrate or stereoisomers thereof for manipulating the
6219589 Remote manipulator with force feedback and control April 17, 2001
A haptic interface for a remote manipulator uses a tunable spring to provide force reflection. The remote manipulator has an operating member coupled to the tunable spring. The operating member is also coupled to a manipulator member. A controller monitors the force with which an operato
6217891 Non-host volatiles as repellents for conifer-infesting bark beetles April 17, 2001
This invention relates to the use of volatiles from the bark of non-host angiosperm trees to protect coniferous trees from attack by bark beetles. Individual compounds or mixtures selected from 18 non-host bark volatiles, identified by coupled gas chromatographic-electroantennographic de
6208207 Adaptive linearizer for RF power amplifiers March 27, 2001
A feedforward amplifier is disclosed in which either the main amplifier or the auxiliary amplifier includes at least three parallel signal paths. Each of the signal paths includes a complex gain adjuster. In addition, a feedforward amplifier is disclosed in which a plurality of control
6182509 Accelerometer without proof mass February 6, 2001
An accelerometer having a substrate with a cavity therein, a heater extending over the cavity, a pair of temperature sensitive elements extending over the cavity equidistant from the heater, and an electrical conductor couplable to an external power source and operative to pass elect
6051612 Non-host volatiles as repellents for conifer-infesting bark beetles April 18, 2000
This invention relates to the use of volatiles from the bark of non-host angiosperm trees to protect coniferous trees from attack by bark beetles. Individual compounds or mixtures selected from 18 non-host bark volatiles, identified by coupled gas chromatographic-electroantennographic de
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