Van Leeuwen
Colin Van Leeuwen, Vancouver CA
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20120033338 | MONITORING DEVICE FOR AN ELECTRICAL POWER SOURCE AND LOAD - Disclosed is a device for monitoring an electrical power flow between a power source and a load. The monitoring device includes a monitoring module configured to monitor one or more aspects of the electrical power flow, the monitoring module configured to detect a fault condition when one or more aspects fall outside a predetermined operating range. In addition, the device includes a protection module configured to interrupt the electrical power flow upon detection of the fault condition. In some embodiments, the monitoring device includes a reset module configured to re-establish electrical power flow between the power source and the load. In some embodiments, the monitoring device further includes a diagnostic module configured to determine diagnostic information based at least in part on one or more of the monitored aspects of the electrical power flow. | 02-09-2012 |
George W. Van Leeuwen, Rochester, MN US
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20130121134 | FAIL TO WIRE REMOVABLE MODULE FOR NETWORK COMMUNICATION LINK - A fail-to-wire (FTW) module that preserves a primary data path connection from an upstream computer to a downstream computer if there is any kind of failure in a breakout data path to a breakout system. The FTW module provides switches between the incoming data network data and the breakout system such that when the breakout system encounters a failure, the switches are de-activated to bypass the breakout system. The switches in the FTW module are activated by a system health signal from the breakout system. The breakout system can be serviced without interrupting the data network connections since the FTW module can be extracted from the failed breakout system with data network connections intact. The FTW module is preferably a compact modular element that fits within the breakout chassis and is easily inserted and removed from the breakout system during servicing operations. | 05-16-2013 |
20130121139 | FAIL TO WIRE REMOVABLE MODULE FOR NETWORK COMMUNICATION LINK - A fail-to-wire (FTW) module that preserves a primary data path connection from an upstream computer to a downstream computer if there is any kind of failure in a breakout data path to a breakout system. The FTW module provides switches between the incoming data network data and the breakout system such that when the breakout system encounters a failure, the switches are de-activated to bypass the breakout system. The switches in the FTW module are activated by a system health signal from the breakout system. The breakout system can be serviced without interrupting the data network connections since the FTW module can be extracted from the failed breakout system with data network connections intact. The FTW module is preferably a compact modular element that fits within the breakout chassis and is easily inserted and removed from the breakout system during servicing operations. | 05-16-2013 |
20130121159 | DATA BREAKOUT AT THE EDGE OF A MOBILE DATA NETWORK - Mobile network services are performed in a mobile data network in a way that is transparent to most of the existing equipment in the mobile data network. The mobile data network includes a radio access network and a core network. A first service mechanism in the radio access network breaks out data coming from a basestation, and performs one or more mobile network services at the edge of the mobile data network based on the broken out data. These services may include caching of data, data or video compression techniques, push-based services, charging, application serving, analytics, security, data filtering, and new revenue-producing services, as well as others. This architecture allows performing new mobile network services at the edge of a mobile data network within the infrastructure of an existing mobile data network. | 05-16-2013 |
20130121250 | DATA BREAKOUT AT THE EDGE OF A MOBILE DATA NETWORK - Mobile network services are performed in a mobile data network in a way that is transparent to most of the existing equipment in the mobile data network. The mobile data network includes a radio access network and a core network. A first service mechanism in the radio access network breaks out data coming from a basestation, and performs one or more mobile network services at the edge of the mobile data network based on the broken out data. These services may include caching of data, data or video compression techniques, push-based services, charging, application serving, analytics, security, data filtering, and new revenue-producing services, as well as others. This architecture allows performing new mobile network services at the edge of a mobile data network within the infrastructure of an existing mobile data network. | 05-16-2013 |
20130156020 | KEY STORAGE AND RETRIEVAL IN A BREAKOUT COMPONENT AT THE EDGE OF A MOBILE DATA NETWORK - Mobile network services are performed in a mobile data network in a way that is transparent to most of the existing equipment in the mobile data network. The mobile data network includes a radio access network and a core network. A breakout component in the radio access network breaks out data coming from a basestation, and performs one or more mobile network services at the edge of the mobile data network based on the broken out data. These services may require the use of keys. Keys are stored and retrieved from a non-volatile key storage in a way that assures subsystems that need the keys have access to the keys. The keys retrieved from the non-volatile key storage are stored in a shared memory in the requesting subsystem, which allows any applications that requires access to the keys to directly access the keys in the shared memory. | 06-20-2013 |
20130157618 | KEY STORAGE AND RETRIEVAL IN A BREAKOUT COMPONENT AT THE EDGE OF A MOBILE DATA NETWORK - Mobile network services are performed in a mobile data network in a way that is transparent to most of the existing equipment in the mobile data network. The mobile data network includes a radio access network and a core network. A breakout component in the radio access network breaks out data coming from a basestation, and performs one or more mobile network services at the edge of the mobile data network based on the broken out data. These services may require the use of keys. Keys are stored and retrieved from a non-volatile key storage in a way that assures subsystems that need the keys have access to the keys. The keys retrieved from the non-volatile key storage are stored in a shared memory in the requesting subsystem, which allows any applications that requires access to the keys to directly access the keys in the shared memory. | 06-20-2013 |
20130157619 | STATES FOR BREAKOUT APPLIANCE IN A MOBILE DATA NETWORK - Mobile network services are performed in a mobile data network in a way that is transparent to most of the existing equipment in the mobile data network. The mobile data network includes a radio access network and a core network. A breakout appliance in the radio access network breaks out data coming from a basestation, and performs one or more mobile network services at the edge of the mobile data network based on the broken out data. The breakout appliance includes multiple states that support manufacturing, testing, production, tamper detection and end of life, and the functions of the breakout appliance vary according to its state. | 06-20-2013 |
20130157702 | STATES FOR BREAKOUT APPLIANCE IN A MOBILE DATA NETWORK - Mobile network services are performed in a mobile data network in a way that is transparent to most of the existing equipment in the mobile data network. The mobile data network includes a radio access network and a core network. A breakout appliance in the radio access network breaks out data coming from a basestation, and performs one or more mobile network services at the edge of the mobile data network based on the broken out data. The breakout appliance includes multiple states that support manufacturing, testing, production, tamper detection and end of life, and the functions of the breakout appliance vary according to its state. | 06-20-2013 |
Gysbert Floris Van Beek Van Leeuwen, Erasmuckloof ZA
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20090204723 | System and Method for Processing and Forwarding Transmitted Information - A system and method for handling a digital electronic flow between a first and second entity in which a flow policy is determined that is to be applied to the flow and the flow is then directed along a path in accordance with the policy. An ID is supplied for each flow and a tag associated with each flow which indicates the policy to be applied to its associated flow. Flows are also associated with one another, with associated flows having associated policies. In particular the flow may be processed or forwarded. The path may include a graph structure and virtual applications. | 08-13-2009 |
20120093160 | System and Method for Processing and Forwarding Transmitted Information - A system and method for handling a digital electronic flow between a first and second entity in which a flow policy is determined that is to be applied to the flow and the flow is then directed along a path in accordance with the policy. An ID is supplied for each flow and a tag associated with each flow which indicates the policy to be applied to its associated flow. Flows are also associated with one another, with associated flows having associated policies. In particular the flow may be processed or forwarded. The path may include a graph structure and virtual applications. | 04-19-2012 |
20120131330 | System and Method for Processing Secure Transmissions - Secured transmissions between a client and a server are detected, a policy formulated whether encrypted material needs to be decrypted, and if content is to be decrypted it is, using decrypting information obtained from the client and server. Resulting plain test is then deployed to an entity such as a processor, store or interface. The plain text can be checked or modified. The transmission between client and server could be blocked, delivered without being decrypted, decrypted and then re-encrypted with or without modification. Each transmission is given an ID and a policy tag. | 05-24-2012 |
Jared Robert Van Leeuwen, Kirkland, WA US
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20130152052 | LINKING DIAGNOSTIC VISUALIZATIONS TO APPLICATION CODE - The present invention extends to methods, systems, and computer program products for linking diagnostic visualizations to regions of application code. Diagnostic visualizations emitted during execution of an application are displayed. The diagnostic visualizations partially represent the abstract objective of the application (e.g., as envisioned by a developer). Diagnostic data for at least one of a plurality of components is displayed. The diagnostic data indicates the performance of the at least one of the plurality of components during execution of the application. The displayed one or more diagnostic visualizations and the displayed diagnostic data is correlated to link the one or more diagnostic visualizations to the at least one of the plurality of components. Linking the one or more diagnostic visualizations to the at least one of the plurality of components can better indicate how the application's behavior reconciles the abstract objective. | 06-13-2013 |
Johannes Van Leeuwen, Ames, IA US
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20100196994 | Fungi cultivation on alcohol fermentation stillage for useful products and energy savings - A method of processing stillage from fermentation derived alcohol is disclosed, including dry-grind ethanol production from corn, by fermentation with filamentous fungi. This produces high-value fungal biomass that can be recovered by screening, is easily dewatered and used as an animal feed, human food or as a source of nutraceuticals. The methodology uses an airlift reactor to enhance the morphology of the fungi for easy harvesting and separation of water for recycling and reuse and to recover added enzymes and mineral acid with the water. The process also separates oil from the stillage. The fungal processing removes organic substances from the water that are otherwise inhibitory to the reuse prospects for the water, i.e. suspended and dissolved organic matter, including glycerol, lactic and acetic acids. The process also separates oil from the stillage by enmeshing the oil in the fungal biomass and can produce more oil through cultivation of oleaginous fungi. This approach generates revenue from low value thin stillage, while substantially reducing stillage processing costs, mainly by averting the need for evaporation of the thin stillage. | 08-05-2010 |
20140275507 | PROCESSES FOR ISOLATING CHITIN AND CHITOSAN FROM FUNGAL BIOMASS - Methods of extracting chitin and chitosan from fungal biomass using a solution of one or more ammonia compounds, amines, and/or alkaline silicate compounds. The solution dissolves and extracts amino acids, fatty acids and other carbohydrates from the fungal cells leaving chitin and/or chitosan, and the extractant may be recovered from the liquid by simple phase changes such as heating or cooling, dissociation into volatile components, distillation and/or solidification and separation of immiscible extractants. Further lipid removal may be achieved with one or more organic solvents, which may also be recovered by distillation. | 09-18-2014 |
Johannes Cornelis Hendrikus Van Leeuwen, Los Gatos, CA US
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20080212582 | Wireless Audio Transmission System and Method - A system and method transmit a data stream from a source to a destination over a communication channel. A transmitter includes devices for processing inputs to assemble data packets for the data stream, and a multiplexer for assembling a data frame to be transmitted over the communication channel, in which each data frame has at least one fixed slot. The multiplexer sets at least one freely allocatable time slot in each data frame. Retransmission control devices connected to the multiplexer retransmit a specific data packet which is not properly received by the destination, using one of the freely allocatable slots. | 09-04-2008 |
John Van Leeuwen US
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20100257796 | Modular, Portable, Interlocking Decking System - Components for use in the assembly and installation of a modular decking system, comprised of structural free floating piers which distributes loads of deck pad to ground, piers have a pad bearing surface and four uniformly placed receiver blocks which interlock with corresponding recesses at four pad corners, an interlocking cam passes through pad recesses at deck surface and locks to piers by rotating cam with custom designed tool. | 10-14-2010 |
John Murray Van Leeuwen, Dayton, OH US
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20140157688 | MODIFIED PIER FOR MODULAR, PORTABLE, INTERLOCKING SYSTEM - A pier for a modular, portable, interlocking decking system, the pier having a generally planar plate with a bottom surface and a top surface and a plurality of receiver blocks extending from the top surface of the plate. Each receiver block has a generally dome-shaped load-bearing surface. A plurality of piers is used in a decking system along with at least one surface pad, the surface pad having a generally planar, horizontal upper surface, and a lower portion including a plurality of block receptacles. The bottom surface of the plate of each structural pier rests upon a supporting surface, and the block receptacles of the surface pad each engage the generally dome-shaped load-bearing surface of a corresponding structural pier. | 06-12-2014 |
Loes Van Leeuwen, Nonantola (mo) IT
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20150216137 | TSWV RESISTANT CAPSICUM PLANTS - The present invention relates to the field of pepper breeding. Provided are plants which are resistant against a Tsw-resistance breaking pathotype of TSWV. Also provided are plant parts, seeds, cells and fruits thereof and methods to produce such plants. | 08-06-2015 |
Martin H. Van Leeuwen, Oswego, IL US
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20100112977 | Retrieving jurisdiction information from home location register - Calls to a wireless telephone number that are to be redirected by a gateway switch to another number can be properly billed, even if the wireless telephone number is ported to another service provider by billing the wireless telephone number subscriber for the charge that would have been incurred by placing a call to the forwarded number from the mobile telephone located in its home service area. | 05-06-2010 |
Matthijs Van Leeuwen, Redmond, WA US
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20150257369 | Multi-Activity Dog Leash Connector - A multi-activity dog leash connector comprising of a carabiner, a bungee cord which is being connected in a first loop position onto the carabiner, a cap which covers the portion where said bungee cord is connected to the carabiner, a loop-locker positioned onto the bungee cord to prevent squeezing of a second loop, wherein said cap facilitates the operation of the carabiner in taking in and out a dog leash from the carabiner and the second bungee loop is connected to a person and other objects thereby allowing a pet and a person to exercise together while keeping the person's hands free for doing other activities. | 09-17-2015 |
Matthys Van Leeuwen, Redmond, WA US
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20120318206 | Elevated Pet Furniture - This invention is an elevated pet furniture that comprises a frame with the option to build other structures onto it for multipurpose use and enhanced comfort features, such as head- and backrest support or the like, or an elevated feeder structure not limited to the functions mentioned. The pet furniture includes a tubular frame, which allows for different pet furniture sizes, corners, elements such as legs or wheels that elevate the bed, and a cover body for which different material can be used for different functions or interior or exterior use. The fabric layer can be easily installed or removed without the use of tools, while keeping the frame intact for machine washing or changing for other functions or for inner or outer use, and additional functional elements can be inserted between the layer and the webbing. | 12-20-2012 |
Michael Van Leeuwen, Bethesda, MD US
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20100086307 | PLANAR LIGHTWAVE CIRCUIT - Consistent with the present disclosure optical interleaver and deinterleaver circuits are integrated onto a substrate. The inputs to the interleaver and the outputs of the deinterleaver are each coupled to a corresponding variable optical attenuator (VOA) and optical tap, which are also provided on the substrate. The optical taps supply a portion of the output of each VOA to a corresponding photodetector. A control circuit, which is coupled to the photodetector, in turn, supplies a control signal to each VOA based on the output of the photodetector. Accordingly, optical multiplexing and demultiplexing components, as well as monitoring and power regulating components are provided on the same chip. Such a chip may be compact, relatively inexpensive, and has reduced power consumption compared to optical multiplexer and demultiplexer equipment including discrete components. | 04-08-2010 |
Michael F. Van Leeuwen, Bethesda, MD US
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20150188276 | MULTIPLEXER HAVING ASE SUPPRESSION - Consistent with the present disclosure, optical filters are provided in a reconfigurable optical add-drop multiplexer (ROADM). In one example, groups of optical signals are amplified by corresponding erbium-doped fiber amplifiers (EDFAs) and supplied to each optical filter, which has a passband that includes the wavelengths associated with the received optical signal group. Light at wavelengths outside the passband of each optical filter, such as amplified stimulated emission (ASE) light generated by a respective EDFA, is significantly attenuated. Each optical signal group, after such amplification and filtering may then be switched and combined in a multicast switch before being directed toward a desired optical communication path. When, for example, first and second optical signal groups are combined, however, the first optical signal group is accompanied by little or no ASE light at the second optical signal group wavelengths. In addition, the second optical signal group is not accompanied by significant ASE light at the first optical signal group wavelengths. Accordingly, the first and second optical signal groups have less noise than would otherwise be present in the absence of the optical filters, and bit error rates associated with the optical signal groups are reduced. | 07-02-2015 |
Michael Francis Van Leeuwen, Bethesda, MD US
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20120170926 | MONITORING SYSTEM EMPLOYING CARRIER RECOVERY - The present disclosure provides a system, apparatus and method to provide for monitoring of characteristics of optical signals, as part of wavelength division multiplexed signals for example, transmitted over a network infrastructure. The characteristics of each optical signal may be monitored and maintained at desired values in order to optimize system performance. A system including a coherent detector, as part of a coherent receiver for example, may be employed to associate each transmitted optical signal with a modulated source. Control signals generated by the system can then be provided to elements of the modulated source to control characteristics, such as optical power, optical frequency, and optical phase, for example, of the transmitted optical signal. | 07-05-2012 |
20120170937 | VARIABLE CHANNEL SPACING IN A COHERENT TRANSMISSION SYSTEM - The present disclosure provides a transmission system, apparatus and method to provide for variable channel spacing in multiplexed or combined optical signals for transmission over a network infrastructure. The channel spacing may be monitored and maintained at desired values in order to maximize the channel density under various conditions related to the network infrastructure. The individual carrier frequencies associated with each signal channel of the transmission system may be individually controlled to define the desired channel. The channel spacing may be altered to provide for higher channel densities increasing system capacity, or to provide for lower channel densities improving the overall reach of the transmission system. The channel spacing may be continuously monitored and maintained at desired values allowing for rapid and automated reconfiguration of the transmission system, which may result in maximized capacity and reduced costs. | 07-05-2012 |
20120251101 | Apparatus to Control Carrier Spacing in a Multi-Carrier Optical Transmitter - Consistent with the present disclosure, data, in digital form, is received by a transmit node of an optical communication system, and is then provided to a modulator that, in turn, modulates light, received from an optical source at one of a plurality of periodically and preferably minimally spaced wavelengths. The plurality of periodically spaced wavelengths or carriers are grouped together with minimal carrier spacing, to form a superchannel. The carrier spacing between adjacent carriers is determined by detecting a beat frequency of a combined optical signal that includes the outputs of two adjacent optical sources. The beat frequency corresponds to a frequency difference between the outputs of the adjacent carriers. This frequency difference should correspond to a desired carrier spacing between each of the plurality of carriers. A frequency error between the beat frequency and the desired carrier spacing is then measured by down-converting the beat frequency with respect to a target reference frequency corresponding to the desired carrier frequency spacing. Based on the determined frequency error, the optical sources are controlled to adjust in frequency to minimize or reduce the frequency error to zero. For every pair of adjacent carriers, the corresponding outputs of the optical sources are compared in the above manner to determine a plurality of frequency errors. Each optical source can thus be tuned in order to realize a precise carrier spacing between each of the adjacent carriers. | 10-04-2012 |
20120251121 | Periodic Superchannel Carrier Arrangement for Optical Communication Systems - Consistent with the present disclosure, data, in digital form, is received by a transmit node of an optical communication system, is processed and then output to drive a modulator. The modulator, in turn, modulates light at one of a plurality of wavelengths in accordance with the received data, forming a plurality of corresponding carriers. The plurality of wavelengths used for the plurality of carriers are spectrally spaced apart by a common, periodic fixed spacing. The plurality of carriers are optically combined with a fixed spacing combiner to form a superchannel. A plurality of superchannels are generated and then multiplexed together onto an optical communication path and transmitted to a receive node. Each superchannel includes a plurality of carriers, each spectrally separated by the same fixed spacing. The plurality of superchannels are spectrally separated by an amount corresponding to the fixed spacing of the plurality of carriers. At the receive node, the superchannels are optically demultiplexed, and the plurality of carriers of a respective superchannel are then supplied to a photodetector circuit, which receives additional light at one of the optical signal carrier wavelengths from a local oscillator laser. The resultant signals are then processed electronically to separate the individual carriers and output data corresponding to the input data. | 10-04-2012 |
20130011140 | SUPPRESSION OF NON-LINEAR EFFECTS IN LOW DISPERSION OPTICAL FIBERS - Consistent with the present disclosure, chromatic dispersion is introduced into an optical communication path including multiple segments or spans of dispersion shifted fiber (DSF). The chromatic dispersion generates phase mismatching between optical signals propagating along the optical communication path, i.e., the optical signals are decorrelated, such that mixing products are reduced inmagnitude, and the noise attributable to four wave mixing is correspondingly reduced. | 01-10-2013 |
20130170787 | OPTICAL COMMUNICATION SYSTEM HAVING TUNABLE SOURCES - Consistent with one example of the disclosed implementations, a photonic integrated circuit (PIC) may be provided that includes s group of lasers and an arrayed waveguide grating (AWG) disposed on a substrate. Each laser in the group may supply an optical signal, such that each optical signal has a different wavelength. Each laser may be tunable to at least two designated wavelengths, which are separated from one another by a free spectral range (FSR) of the AWG. As a result, the optical signals provided from each laser may be combined by the AWG, regardless of which designated wavelength the optical signals have. Accordingly, a PIC may be provided that has a relatively simple construction but can supply optical signals having tunable wavelengths. | 07-04-2013 |
20130170833 | OPTICAL COMMUNICATION SYSTEM HAVING TUNABLE SOURCES - Pairs of distributed feedback (DFB) lasers are provided on a substrate. An arrayed waveguide grating (AWG) is also provided on the substrate having input waveguides, each of which being connected to a corresponding pair of DFB lasers. The wavelengths of optical signals supplied from each pair of DFB lasers may be spectrally spaced from one another by a free spectral range (FSR) of the AWG. By selecting either a first or second DFB laser in a pair and temperature tuning to adjust the wavelength, each pair of DFB lasers can supply optical signals at one of four wavelengths, pairs of which are spectrally spaced from one another by the FSR of the AWG. A widely tunable transmitter may thus be obtained. | 07-04-2013 |
20130230316 | Super-Channel Optical Parameters GMPLS Signaling and Routing Extensions Systems and Methods - Methods and systems are disclosed including receiving, by circuitry of a node conforming to GMPLS protocol, a signal comprising at least one of an optical signal attribute indicative of parameters of a super-channel, the super-channel including a plurality of optical carriers, each of which having a corresponding one of a plurality of wavelengths and being modulated to carry a corresponding one of a plurality of data streams, the super-channel being provisioned in the optical network as one optical channel, wherein the optical signal attribute is one of: quantity of wavelengths of the super-channel, wavelength center frequency of the super-channel, wavelength modulation of the super-channel, wavelength baudrate of the super-channel, and wavelength FEC type of the super-channel. The node further receiving information indicative of frequency slices in use by the super-channel and calculating, using algorithms conforming to CSPF-TE protocol, a path of a second super-channel. | 09-05-2013 |
20130279910 | Banded Semiconductor Optical Amplifier - A semiconductor optical amplifier module may include a beam splitter to split an optical signal into two polarization optical signals including a first polarization optical signal with a Transverse Magnetic (TM) polarization provided along a first path of two paths, and a second polarization optical signal with a Transverse Electric (TE) polarization provided along a second path of the two paths; a first rotator to rotate the TM polarization of the first polarization optical signal to TE polarization; a first semiconductor optical amplifier to amplify the rotated first polarization optical signal to output a first resultant optical signal; a second semiconductor optical amplifier to amplify the second polarization optical signal; and a second rotator to rotate the polarization of the amplified second polarization optical signal to output a second resultant optical signal; and a beam combiner to combine the first resultant optical signal and the second resultant optical signal. | 10-24-2013 |
20130279911 | RAMAN PUMP CIRCUIT - A Raman pump may include a dual output laser configured to output two optical signals; a delay interferometer configured to delay a first of the two optical signals to decorrelate the two optical signals from each other; and a combiner configured to combine the delayed first of the two optical signals and a second of the two optical signals to provide a Raman amplification signal. | 10-24-2013 |
Olaf Van Leeuwen, Koln DE
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20160101670 | VEHICLE WITH A SLIDING DOOR SYSTEM - A vehicle having a sliding door arranged behind a body pillar, a frame around the door opening closeable by the sliding door, a rail system provided in the region of the sliding door connected fixedly to the vehicle and having upper and lower guide rails, sliding carriages provided on the sliding door connected to the sliding door via a respective supporting arm and guided displaceably on the guide rails, and side impact protection in the region of the sliding door. At least one of the sliding carriages or supporting arms is provided with a stop. In the event of a side impact, in which the outer vehicle wall is deformed in the direction of the vehicle interior, an abutment connected to the vehicle wall comes to bear against the stop of the sliding carriage or of the supporting arm, and the position of the sliding door is thereby blocked. | 04-14-2016 |
Olaf Van Leeuwen, Cologne DE
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20140175832 | VEHICLE WITH A SLIDING DOOR SYSTEM - A vehicle having a sliding door arranged behind a body pillar, a frame around the door opening closeable by the sliding door, a rail system provided in the region of the sliding door connected fixedly to the vehicle and having upper and lower guide rails, sliding carriages provided on the sliding door. At least one of the sliding carriages or supporting arms is provided with a stip. In the event of a side impact, in which the outer vehicle wall is deformed in the direction of the vehicle interior, an abutment connected to the vehicle wall comes to bear against the stop of the sliding carriage or of the supporting arm, and the position of the sliding door is thereby blocked. | 06-26-2014 |
R. Van Leeuwen, Ewing, NJ US
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20130208753 | Optical Pump for High Power Laser - Optical pump modules using VCSEL arrays are provided to pump optical gain media for achieving high power laser output in CW, QCW and pulse operation modes for operation. Low divergence and symmetric far-field emission from VCSELs are particularly suitable for compact arrays. VCSEL arrays configured as laser pump modules are operable at high temperatures with practically no degradation over a long period of time. VCSEL pump modules are adaptable for side- or end-pumping configurations to pump high power lasers in CW, QCW and pulse mode. Power output from VCSEL pump modules is scalable. Incorporating microlens arrays with the VCSEL arrays improve brightness of the pump modules. High power and high temperature operation of VCSEL modules make it suitable for making compact high power solid state lasers that are operable in small spaces such as, ignition of internal combustion engines, stationary power generation engines and pulsed detonation engines. | 08-15-2013 |
Robert Van Leeuwen, Ewing, NJ US
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20130266032 | Laser architectures - Disclosed herein are architectures for an external cavity laser. In some embodiments, the external cavity laser includes vertical cavity surface emitting laser (VCSEL) elements, a Brewster plate, frequency doubling chips, and a microlens array. The Brewster plate is arranged at an angle relative to the light path, and is configured to polarize at least the light received from the VCSELs and propagating on the light path in a first direction, and extract, from the external cavity, frequency-doubled light propagating on the light path in a second direction opposite to the first direction. The doubling chips are operable to receive the light and double the frequency of a portion of the received light. The microlens array is aligned with the VCSEL elements. A mount may be employed to mount the side stack of doubling chips by either side mounting or end mounting. | 10-10-2013 |
Tom Van Leeuwen, Wondelgem BE
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20110274109 | Multicast Quality Of Service Module And Method - The present application describes a Qos module for use in a home network that comprises a plurality of devices and a home gateway. The home gateway is enabled to receive a multicast stream and to forward the multicast stream to at least one of the devices under control of a multicast proxy module. The Qos module further comprises the multicast proxy module for also sending, upon reception of a multicast join message from one of the devices for joining the multicast stream, a Quality of Service request. The Quality of Service request comprising an address of the home gateway and an address of said device. The Qos module further comprises a unicast Quality of Service control module for reception of the Quality of Service request and for sending a unicast Quality of Service event message in order to request thereby provision of Quality of Service for the multicast stream when being forwarded from the home gateway to the device. (FIG. | 11-10-2011 |
20120257555 | FORWARDING A PACKET IN A SENSOR PERSONAL AREA NETWORK - A method to forward a packet according to predefined protocol steps in a sensor personal area network comprising data communication sensor devices and the respective sensor devices are described. The method comprises the steps of assigning a predefined compression value to a compression field in the packet for indicating that a source network identifier of the originator of the packet is assumed to be equal to a destination network identifier of an intended recipient of the packet. Furthermore, the method comprises assigning a predefined label switching value Isv to an addressing mode field DAM-F in the packet P for indicating that the above mentioned protocol steps further comprise a label switching principle that must be applied to forward the packet. Finally the method comprises using a source network identifier field SNI-F of the packet for storing and retrieving the label value lab1 for application of the label switching principle based thereon. | 10-11-2012 |
20130013088 | MANAGEMENT FRAMEWORK AND METHOD FOR RETRIEVING SOFTWARE IDENTIFICATION INFORMATION PERTAINING TO A SENSOR IN A NETWORK - The invention concerns using sensorML to facilitate the installation of software for interaction with sensors, preferably within a home network with a service gateway ( | 01-10-2013 |
Tristan Van Leeuwen, Vancouver CA
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20160070023 | A PENALTY METHOD FOR PDE-CONSTRAINED OPTIMIZATION - The invention is directed to a computer-implemented method for obtaining a physical model having physical model parameters wherein solutions to one or more partial-differential-equations (PDE's) are calculated and wherein (i) an appropriate initial model is selected, (ii) setup a system of equations referred to as the data-augmented PDE for the field, comprising of the discretized PDE, the sampling operator, the source function and the observed data, and solve the data-augmented PDE in a suitable manner to obtain a field that both satisfies the PDE and fits the data to some degree, (iii) setup a system of equations by using the PDE, the source function and the field obtained in step (ii) and solve this system of equations in a suitable manner to obtain an update of the physical model parameters and repeat steps (ii)-(iii) until a predetermined stopping criterion is met. | 03-10-2016 |