Cao, CA
Bin Cao, Kanata CA
Patent application number | Description | Published |
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20100046946 | WDM PON RF OVERLAY ARCHITECTURE BASED ON QUANTUM DOT MULTI-WAVELENGTH LASER SOURCE - In a Wavelength Division Multiplexed Passive Optical Network (WDM-PON) including, a system for overlaying an analog broadcast signal. An Optical Line Terminal of the WDM-PON includes a broadband light source for generating uplink seed light for each uplink channel of the WDM-PON, and a modulator for modulating the analog broadcast signal onto the uplink seed light. An Optical Network Terminal of the WDM-PON receives the uplink seed light from the Optical Line Terminal, and includes an optical divider for dividing the received seed light into a first signal and a second signal; a light source for generating an uplink data signals using the first signal as seed light; and an RF receiver for detecting the analog broadcast signal modulated on the second signal. | 02-25-2010 |
20100046949 | Method of Wavelength Alignment for a Wavelength Division Multiplexed Passive Optical Network - Described is a method for controlling the wavelength of a laser in a wavelength division multiplexed (WDM) system. The method includes generating broadband light having a dithered optical power and a wavelength spectrum that includes a plurality of WDM wavelengths. The broadband light is spectrally filtered to generate a spectrally-sliced optical signal having a wavelength spectrum that includes one of the WDM wavelengths. The spectrally-sliced optical signal is injected into a laser and a dithered optical power of the laser is determined. A parameter of the laser is controlled in response to the determination of the dithered optical power to thereby align a wavelength of the laser to the wavelength spectrum of the spectrally-sliced optical signal. | 02-25-2010 |
20100046950 | SEEDING WDM PON SYSTEM BASED ON QUANTUM DOT MULTI-WAVELENGTH LASER SOURCE - A seed light source for use in Wavelength Division Multiplexed Passive Optical Network (WDM-PON) includes a multi-channel quantum dot laser for generating a multi-channel seed light comprising a plurality of respective channel seed lights. Each channel seed light corresponds to a respective channel of the WDM-PON. | 02-25-2010 |
20100111533 | WDM PON SYSTEM - A Wavelength Division Multiplexed Passive Optical Network (WDM-PON) includes: a respective Optical Network Terminal (ONT) at each one of a plurality of customer sites, each ONT comprising an ONT Fabry Perot (F-P) laser for generating a respective broadband multi-mode uplink optical signal; and an Array Waveguide Grating (AWG) for receiving each broadband multi-mode uplink optical signal through a respective branch port, and for multiplexing a portion of each received broadband multi-mode uplink optical signal into a Wavelength Division Multiplexed (WDM) signal. Each ONT F-P laser is non-injection locked. A gain of each ONT F-P laser is sufficiently inhomogeneous that the modes of the respective broadband multi-mode uplink optical signal are independent. A filter function of the AWG includes a pass band that encompasses at least one mode of a broadband multi-mode uplink optical signal. | 05-06-2010 |
20110064410 | COLOR FREE WDM PON BASED ON BROADBAND OPTICAL TRANSMITTERS - A Wavelength Division Multiplexed Passive Optical Network (WDM-PON) includes a plurality of broadband light sources, each broadband light source being connected to receive a respective data signal and generating a corresponding modulated broadband optical signal. An Array Waveguide Grating (AWG) is connected for receiving each modulated broadband optical signal through a respective branch port and for generating a filtered broadband signal. The AWG implements a filter function comprising a respective pass-band associated with each branch port such that the filtered broadband signal exhibits a respective intensity peak associated with each pass-band. Each intensity peak is modulated with data from a respective one of the broadband light sources. A bandwidth of the respective modulated broadband optical signal generated by each broadband light source is at least equal to the width of a channel-band of the AWG. | 03-17-2011 |
20110116521 | TRACKING INJECTION SEEDING POWER BASED ON BACK FACET MONITORING (BFM) OF AN INJECTION SEEDED LASER - A method of estimating an injection power of seed light injected into an injection-seeded transmitter. A back face monitoring (BFM) response of the injection-seeded transmitter is determined, and data representative of the BFM response stored in a memory. During run-time, a controller of the injection-seeded transmitter, detects a temperature of the injection-seeded transmitter and an instantaneous BFM current. BFM response data is obtained from the memory based on the detected temperature, and the seed light injection power estimated based on the obtained data and the detected instantaneous BFM current. | 05-19-2011 |
20110182307 | TRACKING INJECTION SEEDING POWER BASED ON BACK FACET MONITORING (BFM) OF AN INJECTION SEEDED LASER - A method of estimating an injection power of seed light injected into an injection-seeded transmitter. A back face monitoring (BFM) response of the injection-seeded transmitter is determined, and data representative of the BFM response stored in a memory. During run-time, a controller of the injection-seeded transmitter, detects a temperature of the injection-seeded transmitter and an instantaneous BFM current. BFM response data is obtained from the memory based on the detected temperature, and the seed light injection power estimated based on the obtained data and the detected instantaneous BFM current. | 07-28-2011 |
20140050237 | DISCRETELY TUNABLE LOCALLY SEEDED LASER DEVICE - A discretely tunable locally seeded laser device is provided. The discretely tunable locally seeded laser device comprises: a first tunable laser comprising first discrete output modes; and, a second tunable laser arranged to receive output from the first tunable laser, but otherwise optically isolated from the first tunable laser, the second tunable laser comprising second discrete output modes, such that one first discrete output mode can optically seed an aligned second discrete output mode in a given position of one or more of the first discrete output modes and the second discrete output modes, the aligned second discrete output mode comprising a dominant output. | 02-20-2014 |
Carl Cao, Nepean CA
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20080207227 | Method and System for Determining a Paging Zone in a Wireless Network - A method of paging a mobile terminal in a radio access network wherein the last known location of a mobile terminal is stored. A location message (also called a Route Update message) is sent from a terminal and received at a sector in the network, identifying the location of the terminal. The network determines a paging zone for that terminal based on configuration information for that sector. The configuration information for each sector typically includes a Route Update radius, and then one or both of a paging zone radius offset, and statically configured sectors. When the terminal needs to be paged, the network then broadcasts a page to the terminal in each sector in the paging zone. Such a system adjusts the paging zone to include sectors which the terminal has a reasonable likelihood of moving to before the network learns that the terminal has moved out of the previously established paging zone. Aspects of the invention provide two complementary methods of adjusting the paging zone: adjusting using a paging zone offset, and adjusting based on a sector list. The paging zone offset adjusts the radius of the paging zone, thereby maintaining a generally circular shape. The sector list adjusts the generally circular paging zone by adding or deleting any sector in any direction, thereby allowing any arbitrary shape to be used for the paging zone. The adjustments to the paging zone achieved by these methods account for such factors as RF coverage, geographic features, congestion, population density and expected rate of movement of terminals between sectors. | 08-28-2008 |
Dang Sheng Cao, Richmond CA
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20100306427 | PS/2 TO USB KEYBOARD ADAPTOR SUPPORTING N-KEY ROLLOVER - A USB converter circuit for converting electrical signals from a key scan circuit (in PS/2 or other formats) into USB signals for a computer while supporting N-key rollover (NKRO) functions. The converter circuit can be implemented as a stand-alone PS/2 to USB keyboard converter or as an integral component of a USB keyboard or KVM switch. The converter circuit includes a converter module that generates keyboard data packets in the USB format having a 16-byte, 64-byte, etc. format representing key press information for up to 8 modifier keys and 14, 62, etc. non-modifier keys, respectively. The converter circuit also includes a USB device controller module which transmits the 16-byte etc. USB keyboard data as one or multiple USB data packets to the host computer. When multiple USB data packets are needed to transmit each keyboard data packet (depending on the USB speed), they are transmitted in consecutive polling periods. | 12-02-2010 |
Dongpu Cao, Montreal CA
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20110266410 | SUSPENSION SYSTEMS AND METHODS WITH INDEPENDENT STIFFNESS AND HEIGHT TUNING - A suspension system between two bodies, the suspension system including: a first pressure chamber provided between the bodies; and at least one other pressure chamber provided between the bodies such that the at least one other pressure chamber opposes the action of the first pressure chamber; and a control system to control the pressure and volume in the first pressure chamber and the at least one other pressure chamber to adjust the stiffness value of the suspension system independently of adjusting a distance between the bodies. | 11-03-2011 |
Hung Cao, Montreal CA
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20150257644 | WIRELESS ECG ACQUISITION AND MONITORING DEVICE AND SYSTEM - A wearable device that wirelessly automatically acquires and processes signals indicative of a condition of subject's health. The device is adapted to wirelessly transmit the processed signals and other information to a suitable analytic and/or storage device where the subject's condition can be analyzed and/or stored. The signals could be ECG signals and the condition could be the health of the subject's heart. | 09-17-2015 |
James Cao, Vancouver CA
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20140250513 | AUTOMATIC TRANSFER OF CREDENTIALS BETWEEN WIRELESS ACCESS POINTS - A system and method for transferring configuration information between wireless access points is provided. Configuration information may include SSID and password, but also certain settings such as network and subnetwork settings. A first wireless access point may be a mobile hotspot, and a second wireless access point may be a docking station. The first wireless access point is initially active and operating using certain configuration information. Upon a trigger event such as a docking or undocking event, the configuration information is transferred to the second wireless access point. The first wireless access point ceases using the transferred configuration information, for example by switching off or adjusting its configuration, and the second wireless access point begins using the transferred configuration information. The configuration information may be transferred back upon a second trigger event. | 09-04-2014 |
Jingxin Cao, Winnipeg CA
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20110112195 | Potent and Selective Inhibition by Aurinticarboxylic Acid - The severe acute respiratory syndrome virus (SARS) is a coronavirus that instigated regional epidemics in Canada and several Asian countries in 2003. The newly identified SARS coronavirus (SARS-CoV) can be transmitted among humans and cause severe or even fatal illnesses. As preventive vaccine development takes years to complete and adverse reactions have been reported to some veterinary coronaviral vaccines, anti-viral compounds must be relentlessly pursued. In this study, we analyzed the effect of aurintricarboxylic acid (ATA) on SARS-CoV replication in cell culture, and found that ATA could drastically inhibit SARS-CoV replication, with viral production being more than 1000 fold than that in the untreated control. ATA is also shown to be an effective anti-viral for several other viruses, including West Nile Virus and variola virus. | 05-12-2011 |
Karl Wei Cao, Richmond CA
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20080274187 | Hard capsule composition and method of use - A hard shell capsule composition and method which is gelatin, BSE, plasticizer and preservative free, which is less sensitive to temperature, humidity and climate changes during manufacture and storage while remaining dimensionally and microbially stable. | 11-06-2008 |
20110171281 | SOFT CAPSULE COMPOSITION AND METHOD OF USE - A clear soft vegetarian dosage capsule comprising a first and second biphasic film. The first biphasic film has a plurality of first reservoirs and further comprises a polysaccharide, a seaweed extract, a rheology modifier, a buffer and a plasticizer. The second biphasic film has a plurality of second reservoirs having a formulation identical to the first film to ensure a sealing engagement. A dosage amount is disposed in each of the plurality of the reservoirs forming a plurality of filled reservoirs. The dosage amount is an emulsion, oil, hydrophilic liquid. The first film is extruded or overlaid with the second film allowing each of the plurality of second reservoirs to overlay the filled reservoirs and sealed with pressure and a fusion temperature slightly less than the melting point of the first and second films forming clear soft vegetarian dosage capsules that are blown dry, bonding moisture to the polysaccharide. | 07-14-2011 |
20110171293 | HARD CAPSULE COMPOSITION AND METHOD OF USE - A method for making clear hard vegetarian gelatin free two piece capsules by creating the first phase of the biphasic system using seaweed extract, gellan gum, metallic element, maltol extract, seaweed extract and water. A filler is created for the first phase of the biphasic network by blending water, galactomannan extract, and cellulose. The filler is then mixed into the system forming a biphasic system, a first pin is then dripped into the blend and then a second pin is then dripped into the blend. Blowing hot air on the dipped pins, which then blows away water on the outer surface of the dipped pins to bond and lock moisture to the cellulose. A large diameter capsule piece is removed from the first pin and a small diameter capsule piece is removed from the second pin, wherein each capsule piece has an outer surface which is mechanically and dimensionally stable. | 07-14-2011 |
20110171298 | HARD CAPSULE COMPOSITION AND METHOD OF USE - A method for making a clear hard vegetarian gelatin free two piece capsule by creating a first phase network system using a seaweed extract, a galactomannan extract and a rheology modifier. A filler is created for the first phase network by blending a water, a crystalline alcohol, a polysaccharide, and a sugar alcohol at a temperature less than 80 Fahrenheit. The filler is then mixed into the first phase network system forming a biphasic system. Capsules are then formed by dipping conventional moulding pins into the biphasic solution, blowing hot air on the dipped pins in a chamber with a humidity that is no more than 25 percent, blowing away water on the outer surface of the dipped pins to bond and lock moisture to the polysaccharide and removing the capsule pieces from the pins. The two piece capsule has an outer surface which is mechanically and dimensionally stable. | 07-14-2011 |
Li Bing Cao, Richmond CA
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20150128442 | MICROWAVE VACUUM-DRYING OF ORGANIC MATERIALS - An apparatus and method for microwave vacuum-drying of organic materials such as food products. The dehydration apparatus ( | 05-14-2015 |
Liyuan Cao, Markham CA
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20150352063 | Drug for Killing Acid-Fast (Red) Bacillus - Disclosed is a drug for killing acid-fast (red) | 12-10-2015 |
Ming Yu Cao, Mississauga CA
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20110158936 | USE OF INTERLEUKIN 17E FOR THE TREATMENT OF CANCER - The use of interleukin 17E to inhibit tumour growth in a subject is provided. The interleukin 17E can be provided to the subject exogenously, as an interleukin 17E polypeptide or a polynucleotide encoding an interleukin 17E polypeptide, or it can be provided by stimulating production of endogenous interleukin 17E. Also provided is the use of interleukin 17E in combination with one or more anti-cancer therapeutics for inhibiting tumour growth in a subject. Anti-cancer therapeutics include, for example, standard chemotherapeutic drugs, immunotherapeutics, radiation, gene therapy, hormone manipulation and antisense therapy. | 06-30-2011 |
Ning Cao, Windsor CA
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20130134612 | SYSTEM AND METHOD FOR FRAGMENTATION AND DISPERSAL OF A COMPRESSED GAS BODY - A method for fragmenting a bubble of compressed gas released from a compressed gas reservoir situated at a depth under a water surface. The method comprises maintaining a grid disposed between the reservoir and the water surface to fragment the bubble into a plurality of fragmented bubble portions, the grid allowing passage therethrough of the fragmented bubble portions of the body of compressed gas generally along a travel path. | 05-30-2013 |
Peigang Cao, Sarnia CA
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20100307051 | BIODIESEL PRODUCTION USING ULTRA LOW CATALYST CONCENTRATIONS IN A MEMBRANE REACTOR - A method for producing a fuel or fuel additive comprising providing a reaction mixture comprising oil and an alcohol in an oil-in-alcohol emulsion and a catalyst for converting the oil to the fuel or the fuel additive. The oil and the alcohol are reacted in the presence of the catalyst, at a concentration below that used in a conventional batch process, to produce the fuel or fuel additive. This low level of catalyst reduces the formation of diols and oxidation products that can diminish the quality of the fuel or fuel additive. The fuel or fuel additive produced is continuously removed during the reaction, effectively de-coupling the concentration of catalyst used from the rate of the two phase reaction. | 12-09-2010 |
Peter Cao, Markham CA
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20100061648 | PROTECTION FILTER FOR IMAGE AND VIDEO PROCESSING - A filter includes a conventional filtering block and a protection block. The conventional filtering block receives input values and provides filtered values. The protection block receives filtered values and a group of input values proximate the current input, to ensure that the output is lies within a range computed for the current input. The range is determined by the protection block based on the group of input values proximate the current input. Any algorithm or statistical function may be applied to the group of input values to determine the range. If a filtered value provided by the conventional filtering block is outside the range, then the protection block computes and outputs a value that is within the range. The filter may be used in temporal or spatial filtering of images and video to mitigate artifacts such as motion artifacts and static artifacts. | 03-11-2010 |
Shandong Cao, Calgary CA
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20150252254 | FRACTURING SLURRY COMPOSITIONS AND METHODS FOR MAKING SAME - The present application is directed to an aqueous slurry composition for hydraulic fracturing operations and to a method of making such a composition. In particular, the present application is directed to aqueous slurry compositions comprising a liner gel that has significantly improved capability to transport proppants in a hydraulic fracturing operation. Such aqueous slurry compositions comprise an aqueous liquid, a hydrophobically modified associative polymer, proppants and a compound that renders the proppant surface hydrophobic. | 09-10-2015 |
Shaochun Cao, Kanata CA
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20120243826 | LOW POWER COMPACT OPTICAL SWITCH - The invention relates to optical waveguide switches wherein input light propagating in an input waveguide may be switched between two output waveguides by means of a carrier-induced total internal reflection. The switches utilizes a double-reflection, or, generally, a multiple-reflection electrode to reduce the light deflection angle at each reflection interface, thereby enabling to increase the light switching angle and/or decrease the power consumption of the switch. | 09-27-2012 |
Shi-Xian Cao, Etobicoke CA
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20090142373 | Immunizing Against HIV Infection - A virus neutralizing level of antibodies to a primary HIV isolate is generated in a host by a prime-boost administration of antigents. The primary antigen is a DNA molecule encoding an envelop glycoprotein of a primary isolate of HIV-1 while the boosting antigen is either a non-infectious, non-replicating HIV-like particle having the envelope glycoprotein of a primary isolate of HIV-1 or an attenuated viral vector expressing an envelope glycoprotein of a primary isolate of HIV-1. | 06-04-2009 |
Shi-Xian Cao, Stouffrille CA
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20110117640 | TUMOR ANTIGENS BFA4 AND BCY1 FOR PREVENTION AND / OR TREATMENT OF CANCER - The present invention relates to a nucleic acid encoding a polypeptide and the use of the nucleic acid or polypeptide in preventing and/or treating cancer. In particular, the invention relates to improved vectors for the insertion and expression of foreign genes encoding tumor antigens for use in immunotherapeutic treatment of cancer. | 05-19-2011 |
Xingping Cao, Markham CA
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20120223938 | METHOD AND SYSTEM FOR PROVIDING USER CONTROL OF TWO-DIMENSIONAL IMAGE DEPTH WITHIN THREE-DIMENSIONAL DISPLAY SPACE - A system and method for providing user control of the projection of two-dimensional (2D) image information within the three-dimensional (3D) display space of a 3D-capable display device. Advantageously, the system and method disclosed herein allow a user to view 3D video even when the source video includes 2D content, by allowing the user to adjust the z-axis position of the 2D content, thereby causing the 2D content to be projected at a user-specified image depth within 3D space. The user can adjust the z-axis position of the 2D content in real time while contemporaneously viewing the imagery, e.g., via a remote control, and such adjustment can be stored for later use when similar or other 2D content is being viewed. | 09-06-2012 |
20120224642 | METHOD AND SYSTEM FOR PROVIDING SINGLE VIEW VIDEO SIGNAL BASED ON A MULTIVIEW VIDEO CODING (MVC) SIGNAL STREAM - A method and system for producing a single view video signal based on a multiview video coding (MVC) signal stream. A MVC signal stream representing multiple spatially related views of a scene, including a base view and at least one dependent view, is decoded to provide multiple decoded video signals representing the spatially related views, with respective portions of the MVC signal stream representing one of multiple temporally adjacent video frames, and the MVC signal stream representing multiple sequences of spatially adjacent video frames. The decoded video signals are processed to provide a processed video signal representing one of the spatially related views using image information from more than one of the decoded video signals. As a result, more image data is used during processing, thereby improving the spatial and temporal image quality. | 09-06-2012 |
20140211854 | APPARATUS AND METHOD FOR VIDEO PROCESSING - Methods and apparatus for facilitating motion estimation in video processing are provided. In one embodiment, search block is defined within one frame. A relative location of a corresponding block in another frame with respect to the search block is determined based on comparative searching at a predetermined granularity to produce a motion vector for the search block with a first precision. Correlation values are determined with respect to the search block for the corresponding block and for one block or more blocks defined at relative locations of less than the predetermined granularity with respect to the corresponding block in different directions. A refined motion vector for the search block with a second higher precision is determined based on the relative location of the block having a selected correlation value that is selected from among the determined correlation values. | 07-31-2014 |
Xuan Cao, London CA
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20150177258 | SH2 DOMAIN VARIANTS - The present invention relates to variant SH2 domains for binding a phosphotyrosine (pTyr)-containing peptide. The variant SH2 domains of the present invention include a parent SH2 domain having at least one amino acid substitution in a pre-defined region of 15 amino acid positions of the parent SR2 domain, wherein said at least one amino acid substitution increases the affinity of the variant SH2 domain for the pTyr-containing peptide relative to the parent SH2 domain. The present application relates also to methods of using the variant SH2 domains in the treatment of protein kinase-associated disorders, or the diagnosis or prognosis of protein kinase-associated disorders, for isolating and measuring the concentration of pTyr-containing molecules, and as reagents in research. | 06-25-2015 |
Yazi Cao, Ottawa CA
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20130249764 | COMPACT PLANAR INVERTED F-ANTENNA FOR MULTIBAND COMMUNICATION - A multi-band antenna for sending/receiving wireless communication signals in a plurality of frequency bands. The multi-band antenna has a feed element for sending/receiving signals associated with the wireless communication signals. A stepped-impedance structure is connected to the feed element. The stepped-impedance structure has a plurality of concatenated stepped-impedance elements with each stepped-impedance element having a predetermined impedance and a predetermined electrical length associated with a resonance mode for sending/receiving wireless communication signals in a respective frequency band of the plurality of frequency bands. | 09-26-2013 |
Yu Cao, Kanata CA
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20150082133 | System and Method for User Equipment Cooperation - User equipment (UE) cooperation can be improved by relaying partial soft information to target UEs. More specifically, a cooperating UE may relay a subset of log-likelihood ratios (LLRs) to the target UE. The subset of LLRs may correspond to fewer than all resource blocks of the original transmission. This may allow UE cooperation to be effective when the cooperating UE was only able to decode a portion of the original transmission. This may also allow fewer network resources (e.g., bandwidth, etc.) to be used when the target UE does not need all of the soft information to decode the original transmission. Multiple cooperating UEs can provide different subsets of LLRs, and the subsets may or may not overlap with one another. | 03-19-2015 |
20150215133 | System and Method for Video Multicasting - A method for operating a cooperating user equipment (CUE) includes receiving a plurality of video packets that are hierarchically modulated (HM), with each video packet corresponding to a separately encoded video layer that is encoded with a rateless code, and decoding the plurality of video packets. The method also includes generating one or more supplemental packets to assist in the decoding of the plurality of video packets, and transmitting the one or more supplemental packets. | 07-30-2015 |
20150282008 | System and Method for Machine-Type Communications - A method for operating a machine-type device (MTD) includes determining communications requirements for a machine-type device (MTD), and assigning a first signal waveform selected from a plurality of signal waveforms to the MTD in accordance with the determined communications requirements, wherein each signal waveform has an associated characteristic signal bandwidth. | 10-01-2015 |
Yuan Cao, Montreal CA
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20100209203 | DRILL SYSTEMS, DRILL INSERTS AND METHODS - A drill system and cutting insert geometry is provided, with the system comprising a drill body having at least one cutting insert, with the at least one cutting insert is formed with at least one cutting edge, and has a first negative clearance surface and a second positive clearance surface, wherein the first negative clearance surface plastically deforms the surface of a work piece to produce a smooth surface finish and substantially reduce or eliminate chatter during a machining process. | 08-19-2010 |
Yunxu Cao, Victoria CA
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20090181046 | Capsid Proteins and Uses Therefore - The present invention provides methods for the use of viral capsid proteins and chaperone proteins to produce immunogenic macro-molecular structures as antigen carrier to carry desired epitopes or antigens, for enhancing the immunogenicity of the carried epitopes or antigens for therapeutic or prophylactic vaccination. The immunogenic macro-molecular structures may also be used for therapeutic or prophylactic vaccination. | 07-16-2009 |
20100143395 | MATERIAL WITH IMMUNOGENICITY - Provided is a fusion protein, which comprises human papillomavirus E7 antigen, virus capsid protein and molecular chaperone. Also provided is a macromolecule with immunogenicity aggregated by the fusion proteins. The particle morphology of the macromolecule is different from that of the virus-like particle. The macromolecule can be used for treatment of human papillomavirus relating diseases. | 06-10-2010 |