Hartog
Aloysius F. Hartog, Haarlem NL
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20080248532 | Enzymatic Method for Producing Dihydroxyacetone Phosphate - A method for making dihydroxyacetone phosphate (DHAP), comprising treating dihydroxyacetone with a bacterial acid phosphatase in the presence of pyrophosphate. The invention further pertains to a method for stereospecifically making, preferably in one pot, a compound of the formula: | 10-09-2008 |
Aloysius Franciscus Hartog, Haarlem NL
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20150191606 | USE OF VANADIUM-CONTAINING PARTICLES AS A BIOCIDE - The use of vanadium-containing particles, in particular vanadium pentoxide particles and/or vanadyl acetylacetonate particles, as a biocide is herewith suggested. Moreover, a biocidal composition comprising such vanadium-containing particles, a method for preventing biofouling of a substrate and a method of imparting biocidal properties to the surface of a substrate are suggested. | 07-09-2015 |
Anita Hartog, Angerlo NL
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20100215631 | ANTI-INFLAMMATORY COMPOSITION COMPRISING GLYCINE AND LACTOFERRIN AND THE USE THEREOF - The present invention relates to nutritional or pharmaceutical compositions comprising lactoferrin and glycine with an anti-inflammatory activity suitable for patients with an inflammatory disease. | 08-26-2010 |
Arthur Hartog, Winchester GB
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20080316494 | CONTROLLING A DYNAMIC SIGNAL RANGE IN AN OPTICAL TIME DOMAIN REFLECTOMETRY - A technique includes providing an optical source signal to an optical fiber to produce a backscatter signal. A receiver is provided to detect the backscatter signal. During an acquisition period in which the backscatter signal is present, a sensitivity of the receiver is varied with respect to time to regulate an input signal range of an amplifier of the receiver. | 12-25-2008 |
20110240163 | FIBRE OPTIC TAPE ASSEMBLY - An optical fibre tape assembly for attaching an optical fibre to the surface of a pipe comprising; at least one optical fibre; and a tape having an attachment means to enable attachment of the tape to the pipe; wherein the optical fibre runs longitudinal along the tape and is integral with the tape. | 10-06-2011 |
20110242525 | Redundant Optical Fiber System and Method for Remotely Monitoring the Condition of a Pipeline - An optical fiber sensor system and method for monitoring a condition of a linear structure such as a pipeline is provided which is capable of providing continuous monitoring in the event of a break in the sensing optical fiber or fibers. The system includes at least one sensing fiber provided along the length of the linear structure, and first and second interrogation and laser pumping sub-systems disposed at opposite ends of the sensing fiber, each of which includes a reflectometer. The reflectometer of the first interrogation and laser pumping sub-system is connected to one end of the sensing fiber. The reflectometer of the second interrogation and laser pumping sub-system is coupled to either (i) an end of a second sensing fiber provided along the length of the linear structure which is opposite from the one end of the first sensing fiber, or (ii) the opposite end of the first sensing fiber. Before any break of the sensing fiber or fibers occurs, each reflectometer redundantly monitors the condition of the linear structure over its entire length. After any such break occurs, each reflectometer will continue to receive signals up to the point of the break from opposite ends of the structure. | 10-06-2011 |
20120067118 | DISTRIBUTED FIBER OPTIC SENSOR SYSTEM WITH IMPROVED LINEARITY - A fiber optic sensor system includes an optical source to output a first optical signal to launch into an optical fiber, and a coherent detector to mix a coherent Rayleigh backscatter signal generated by the optical fiber in response to the first optical signal with a second optical signal output by the optical source and to generate a mixed output signal. A phase detection and acquisition system determines a phase difference between first and second locations along the optical fiber based on phase information extracted from the mixed output signal and combines the phase information extracted from multiple acquisitions to detect strain on the optical fiber sensor. | 03-22-2012 |
20120067126 | MONITORING OF THE POSITION OF A PIPE INSPECTION TOOL IN A PIPELINE - Apparatus and a method for monitoring of a pipe inspection tool in a pipeline, the apparatus comprising at least one sensor carrier apparatus being locatable along and in close proximity to a pipeline, a plurality of acoustic sensors being locatable on the sensor carrier apparatus, a pipeline inspection tool which is moveable through the pipeline being detectable by means of the acoustic sensors, and the location of the pipeline inspection tool being able to be determined by means of the acoustic sensors. | 03-22-2012 |
20120179390 | DISTRIBUTED FIBRE OPTIC DIAGNOSIS OF RISER INTEGRITY - A subsea riser integrity diagnosis system comprising: one or more fibres deployed along a riser, preferably along the whole length subject to any potential failure, or alternatively deployed over the interval most subject to failure, a fibre optic sensor interrogation apparatus optically coupled to the fibre(s) and operable to detect changes in temperature (DTS), vibration (CRN), or strain (FBG) sensed by the fibre optic strain sensor, and a central processor means adapted to receive multiple measurement data from the interrogation apparatus and operable to determine from the received data the current status of temperature, pressure, vibration, strain or other parameters along the riser and to determine if the status is within safe limits or whether any number of potentially damaging events has occurred and to inform the operator(s) for possible action to be taken to safeguard the integrity of the riser. | 07-12-2012 |
Arthur Hartog, Martyr Worthy GB
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20090151423 | PRESSURE MEASURING DEVICE AND METHOD - A device to measure a fluid pressure comprises a pressure sensing element | 06-18-2009 |
Arthur H. Hartog, Hampshire CA
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20100165327 | MEASURING BRILLOUIN BACKSCATTER FROM AN OPTICAL FIBRE USING CHANNELISATION - A method for measuring Brillouin backscattering comprises obtaining a signal representative of backscattered Brillouin light received from a deployed optical fibre, and dividing the signal into a plurality of signal components each having a different frequency hand. Each signal component is delivered to one of a plurality of parallel detection channels, in which the components are detected, and the signal generated by the detection is sampled using an analog-to-digital converter. The samples are then processed to determine one or more properties of the Brillouin spectral line. Detection may be optical, where the backscattered light is dispersed into a plurality of optical frequency components, or electrical, where the backscattered light is first frequency mixed to downconvert the frequency to the microwave regime. | 07-01-2010 |
Arthur H. Hartog, Windchester GB
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20100025032 | METHODS AND SYSTEMS TO ACTIVATE DOWNHOLE TOOLS WITH LIGHT - The present invention comprises a system and methods to actuate downhole tools by transmitting an optical signal through an optical fiber to the downhole tool. The optical signal can comprise a specific optical signal frequency, signal, wavelength or intensity. The downhole tool can comprise packers, perforating guns, flow control valves, such as sleeve valves and ball valves, samplers, sensors, pumps, screens (such as to expand), chemical cutters, plugs, detonators, or nipples. | 02-04-2010 |
Arthur H. Hartog, Hants GB
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20090263069 | RAMAN AMPLIFICATION IN DISTRIBUTED OPTICAL FIBER SENSING SYSTEMS - A method of providing Raman amplification in an optical fiber sensing system, comprises generating a probe pulse of light and launching the pulse into a sensing optical fiber, generating pump light at a shorter wavelength and modulating it to produce a time-varying intensity profile, and launching the pump light into the sensing fiber. such that the intensity of the launched pump light during launch of the probe pulse is different from the intensity at other times. Raman amplification of backscattered light produced by the probe pulse as it propagates along the fiber is achieved, as is amplification of the probe pulse if the pump power is non-zero during launch of the probe pulse. | 10-22-2009 |
20100117830 | FAULT-TOLERANT DISTRIBUTED FIBER OPTIC INTRUSION DETECTION - An intrusion detection system for monitoring a premises includes at least one optical cable that houses at least one optical fiber and extends about the premises. Optical time domain reflectometry (OTDR) means is operably coupled to opposite first and second ends of the at least one optical fiber. The OTDR means includes first signal processing circuitry that analyzes the backscatter signal received via the first end of the at least one optical fiber in order to detect an intrusion of the premises, and second signal processing circuitry that analyzes the backscatter signal received via the second end of the at least one optical fiber in order to detect an intrusion of the premises. The redundancy of intrusions decisions made by the first and second signal processing circuitry can be verified. The system preferably further includes means for detecting a break in the at least one fiber, for identifying location of the break, for outputting to a user the location of the break, and for raising an alarm indicating the break. | 05-13-2010 |
Arthur H. Hartog, Martyr Worthy GB
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20100002226 | MEASURING BRILLOUIN BACKSCATTER FROM AN OPTICAL FIBRE USING A TRACKING SIGNAL - A method for measuring Brillouin backscattering from an optical fibre ( | 01-07-2010 |
20100092176 | POLARIZATION-DIVERSE, HETERODYNE OPTICAL RECEIVING SYSTEM - To provide a polarization-diverse, heterodyne optical receiving system, a light signal is transmitted into an optical fiber having a plurality of optical sensors that are distinguishable using a multiplexing arrangement. A return light signal from the optical fiber is mixed with an optical local oscillator light signal, where the mixing outputs plural output signal portions having different polarizations. A birefringence of a particular optical sensor is determined based on the plural signal portions. | 04-15-2010 |
20110194806 | TILT METER INCLUDING OPTICAL FIBER SECTIONS - A tilt meter includes a housing structure defining an inner chamber sealed from an environment outside the housing structure. First and second optical fiber sections are provided in the inner chamber. The second optical fiber section is optically coupled to the first optical fiber section, with the second optical fiber section rotated azimuthally with respect to the first optical fiber section. The first and second optical fiber sections are arranged to receive light transmitted from a remote light source, and a tilt of the housing structure induces a differential pressure within the inner chamber to be detected by the first and second optical fiber sections. | 08-11-2011 |
20120277995 | SYSTEMS AND METHODS FOR DISTRIBUTED INTERFEROMETRIC ACOUSTIC MONITORING - Acoustic monitoring is carried out using a fiber optic cable. Coherent Rayleigh noise generated by the transmission of a coherent beam of radiation through the fiber optic cable is detected, a phase of the coherent Rayleigh noise is measured and the measured phase is processed to identify an acoustic occurrence along the fiber optic cable. In certain aspects, an optical fiber serves as a distributed interferometer that may be used to monitor a conduit, wellbore or reservoir. The distributed interferometric monitoring provides for accurate detection of acoustic occurrences along the fiber optic cable and these acoustic occurrences may include fluid flow in a pipeline or wellbore, processes taking place in a wellbore or pipeline, fracturing, gravel packing, or production logging. | 11-01-2012 |
20130341008 | THERMAL OPTICAL FLUID COMPOSITION DETECTION - A fiber optic sensing tool assembly is deployed in a wellbore that penetrates a hydrocarbon-bearing formation of interest to measure fluid composition and other fluid characteristics. This measurement is implemented by deploying the tool in a region in which there is substantially no fluid flow and by heating the tool through an optical delivery system. Parameters of the fluid are monitored as a function of the heating of the tool to derive information that is indicative of fluid composition and other fluid characteristics. | 12-26-2013 |
Arthur H. Hartog, Hampshire GB
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20130021874 | Methods for Locating A Cement Sheath in A Cased Wellbore - A distributed acoustic wave detection system and method is provided. The system may include a fiber optic cable deployed in a well and configured to react to pressure changes resulting from a propagating acoustic wave and an optical source configured to launch interrogating pulses into the fiber optic cable. In addition, the system may include a receiver configured to detect coherent Rayleigh noise produced in response to the interrogating pulses. The CRN signal may be used to track the propagation of the acoustic waves in the well. Such capability allows the location of the cement sheath, as well as measuring the bonding of cement to at least a casing string at least partially surrounded by a cement sheath. | 01-24-2013 |
20140268110 | MEASURING BRILLOUIN BACKSCATTER FROM AN OPTICAL FIBRE USING DIGITISATION - A method for measuring Brillouin backscattering from an optical fibre, comprising mixing backscattered light received from the optical fibre and having a Brillouin frequency fβ(t) with coherent light at a frequency f i in an optical detector to produce an electrical signal with a difference frequency ΔF(t)=fβ(t)−f15 and directly digitising the electrical signal using an analog-to-digital converter to generate a sequence of samples representing the electrical signal, the samples then being processed to determine one or more properties of the Brillouin spectral line. The difference frequency may be further reduced by an additional frequency mixing stage to allow digitisation at a lower sampling rate. | 09-18-2014 |
Benno Hartog, Amsterdam NL
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20150273427 | PRESSURE CONTROLLER - A pressure controller for use in operating parallel reactors includes: a first restrictor channel, a second restrictor channel, a fluid passage, which fluid passage extends between the outlet of the first restrictor channel and the inlet of the second restrictor channel, a pressure control fluid source being adapted to provide a flow of pressure control fluid, having an entrance pressure at the inlet of the first restrictor channel and an exit pressure at the outlet of the second restrictor channel, the flow of pressure control fluid experiencing a first pressure drop Δρ | 10-01-2015 |
Den Edwin Hartog, Almere NL
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20140315396 | CONNECTOR WITH AIR EXTRACTION - An electrical connector a semiconductor processing tool is provided. The electrical connector comprises a male connector part having pins and a first holder in which the pins are mounted and a female connector part having sockets and a second holder in which the sockets are mounted. The male connector part is configured to mate with the female connector part, and at least one of the male connector part and the female connector part has an air extraction conduit of which one end communicates with a vacuum pump and the other end communicates with a space formed between the male connector part and the female connector part. | 10-23-2014 |
Jos Den Hartog, Se Capelle A/d Ljssel NL
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20090219927 | INDUCED ANSWERING METHOD AND SYSTEM FOR CIRCUIT SWITCHING-BASED TELEPHONY - Induced answering method and system for CS-based telephony. A user terminal ( | 09-03-2009 |
20120124222 | METHOD AND SYSTEM FOR TRANSFER OF CALL CONTROL - Means and methodology for a SIP Invite receiving node to withdraw from the SIP session set-up loop by replying a redirect message to the SIP Invite sending node. The redirect message contains information for setting up alternative SIP session, said information being available in the SIP Invite receiving node. This information is needed by the SIP invite sending node for establishing an alternative SIP session as well as information needed by other nodes and applications further on in the SIP session set-up loop. The SIP Invite sending node is specially adapted to retrieve the information from the redirect message for establishing a new SIP session based on and containing the information from the redirect message. Several implementations are given for use in an IP Multimedia Subsystem of a telecommunication network. | 05-17-2012 |
Maarten Antoon Nicolaas Den Hartog, Arnhem NL
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20150374220 | METHOD FOR CLEANING A MIRROR WITH HANDLE FOR MEDICAL OR DENTAL EXAMINATION DURING USE BY MEANS OF A COMPRESSED AIR FLOW AND FOR THIS METHOD CUSTOMIZED MIRROR WITH HANDLE - Method for cleaning of a mirror with handle for medical or dental examination during use and a specifically for this method customized mirror with handle for medical or dental examination, consisting of the combined use of a hydrophobic or super-hydrophobic, and non-stick reflecting surface and the controlling of an compressed air flow with an increased downward pressure in an angle of 5 to 25 degrees over this reflecting surface, by use of diverging control surfaces in the air duct. | 12-31-2015 |
Merijn Hartog, Amsterdam NL
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20130240547 | Lip-operable spill-proof container - A lip-operable spill-proof container ( | 09-19-2013 |
Tim Hartog, The Hague NL
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20120047262 | Managing Undesired Service Requests in a Network - A Method and a system for managing undesired service requests sent from at least one terminal to a network are described, wherein the network comprises a network node for storing trusted service-information. The method comprises the steps of: the network receiving a service request from a terminal, the request comprising service request information; and, sending, preferably via a secure communication channel, a user verification request for requesting the user to verify the service requested by the terminal if at least part of the service request information is not listed in the trusted service-information. | 02-23-2012 |
20150319610 | SYSTEM TO PROTECT A MOBILE NETWORK - A system is described for controlling a mobile telecommunications device, in which the mobile device includes an enforcer which can be controlled by the telecommunications network. The telecommunications network signals the enforcer in order to gain control of the mobile device. The enforcer may be a hardware component within the mobile telecommunications device and in particular is coupled between the baseband and applications processors. The system allows a telecommunications network to gain control of a device in the event that the device is corrupted by rogue or malicious software and behaves in a way deleterious to the network. | 11-05-2015 |