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1005 results about "Field conditions" patented technology

Electrothermal instrument for sealing and joining or cutting tissue

An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.
Owner:THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK

Electrothermal device for coagulating, sealing and cutting tissue during surgery

An instrument and method are provided for sealing and joining or hemostatically dividing tissue, which is particularly suitable for laparoscopic and endoscopic surgery. The instrument makes use of the controlled application of a combination of heat and pressure to seal adjacent tissues, to join adjacent tissues, or to anastomose tissues, whereby tissue is heated for an optimal time and at an optimal temperature under optimal pressure to maximize tissue seal strength while minimizing collateral tissue damage. The instrument of the present invention is lightweight and therefore portable, and is particularly useful in field conditions where a source of external power may not be readily available.
Owner:THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK

Weather resistant sound attenuating modular communications headset

A weather resistant sound attenuating communications headset of modular construction includes two ear cup modules, a microphone boom module, a head band module, a headband cable module, and a termination cable module. The modular construction allows easy replacement of modules as well as selected components of the modules under field conditions without the need for tools. Replaceable water resistant thin film membranes are employed to provide weather protection as well as hygienic protection for the microphone, speaker and amplification electronics. The thin film membranes which cover areas which come into intimate contact with the wearer are easily replaceable under field conditions. Thus a headset that is shared by more than one user can be hygienically cleansed by simple replacement of the microphone and ear cup membranes.
Owner:COMPREHENSIVE TECHN SOLUTIIONS

Down Pressure Adjustment Device And Method For Use With A Disc Opener Assembly Of An Agricultural Implement

A disc opener unit for an agricultural implement has a down pressure adjustment device that automatically adjusts the amount of down pressure applied on a furrowing disc based on strain measurements taken by a strain gauge or load cell. The strain gauge, which may be mounted to an arm that is used to set the position of a depth setting gauge wheel, provides feedback to a processor that in turn controls the amount of hydraulic fluid in a hydraulic cylinder to adjust the down force applied on the disc. The amount of down pressure is therefore adjusted in substantially real-time in response to changes in field conditions, which improves furrow depth consistency and reduces wear on the gauge wheel and its components.
Owner:CNH IND CANADA

Methods and systems for managing agricultural activities

A computer-implemented method for recommending agricultural activities is implemented by an agricultural intelligence computer system in communication with a memory. The method includes receiving a plurality of field definition data, retrieving a plurality of input data from a plurality of data networks, determining a field region based on the field definition data, identifying a subset of the plurality of input data associated with the field region, determining a plurality of field condition data based on the subset of the plurality of input data, identifying a plurality of field activity options, determining a recommendation score for each of the plurality of field activity options based at least in part on the plurality of field condition data, and providing a recommended field activity option from the plurality of field activity options based on the plurality of recommendation scores.
Owner:CLIMATE LLC

Wildlife guard cover

A wildlife guard for electrical power distribution equipment has two hingedly mounted sections which close together to form a protective cover at the top of an insulator bushing on electrical equipment. The wildlife guard is adapted by its structure to fit a range of bushing sizes and yet provide structural integrity and reliable protection once in place. The wildlife guard also accommodates passage of conductive members such as electrical conductors and sparkgap bars through the cover at locations governed by actual field conditions. The wildlife guard has a cover locking mechanism allowing its easy removal when desired.
Owner:RELIANT ENERGY

Composition for accelerating seed germination and plant growth

Lipo Chitooligosaccharide (LCO) [NodBj-V(C18:1,Mefuc)] isolated from Bradyrhizobium japonicum strain 532C was able to stimulate seed germination / seedling emergence, or in the case of potato, sprouting, of a number of crop plants representing eight distantly related plant families (Poaceae, Fabaceae, Brassicaceae, Cucurbitaceac, Malvaceae, Asteraceae, Chenopodiaceae and Solanaceae) of plants, at 25 and / or at 15° C. It also promoted sprouting potato minitubers. Other LCOs [NodRM-V(C16:2,5) and LCO from R. leguminosarum] were also shown to also display growth-promoting effects on the tested crop plants. The compositions comprising at least one LCO are shown to be effective in promoting growth under both laboratory and field conditions. The invention thus also relates to methods for promoting seed germination and / or seedling emergence and / or growth of plants comprising subjecting the seeds and / or plants to an effective amount of an agricultural composition comprising at least one LCO.
Owner:MCGILL UNIV +1

Methods and systems for managing crop harvesting activities

A computer-implemented method for managing crop harvesting activities is implemented by a harvest advisor computing device in communication with a memory. The method includes receiving an initial date of a crop within a field, receiving an initial moisture value associated with the crop and the initial date, and receiving a target harvest moisture value associated with the crop. The method also includes receiving field condition data associated with the field. The method further includes computing, by the harvest advisor, a target harvest date for the crop based at least in part on the initial date, the initial moisture value, the field condition data, and the target harvest moisture value, and displaying the target harvest date for the crop to the grower for harvest planning. The target harvest date indicates a date at which the crop will have a present moisture value approximately equal to the target harvest moisture value.
Owner:CLIMATE LLC

Mount for firearm sighting device having throw-lever clamp and lever safety latch

InactiveUS20060207156A1Simple and efficient releaseEnabling changeSighting devicesLinear motionField conditions
For firearms, particularly tactical firearms such as the AR-15 tactical rifle, a throw-lever actuated rail clamp is provided for support of various accessories such as optical sighting devices, laser sighting devices, target lighting devices on various part of a firearm to provide for use of the firearm in variable field conditions, during the day or at night. A mount clamp is releasably secured to a firearm rail by a pivotal throw-lever having an eccentric locking component. A safety latch mechanism is mounted for linear movement on the actuating arm of the throw-lever and is moveable to a latched position engaging a latching element of the clamp base to retain the throw-lever at its clamping position. The safety latch is linearly moveable from its latched position to a release position that permits rotational movement of the throw lever toward its release or non-clamping position.
Owner:LARUE MARK C

Portable biosensor apparatus with controlled flow

The present invention concerns a portable, reliable and sensitive biosensor apparatus. In certain embodiments, the apparatus incorporates a fluidic cube, comprising a vent cap, vent cap isolator, cube body, waveguide and stage. In preferred embodiments, the fluidic cube further comprises a fluid manifold. In more preferred embodiments, the fluidic cube comprises one or more sample channels that are designed to increase fluid mixing through the use of baffles. The biosensor is designed to simultaneously process multiple samples for a variety of analytes. In certain embodiments, the biosensor is designed to operate as a compact, stand-alone automated unit that can reliably analyze environmental, clinical, veterinary, pathologic or medical samples under adverse field conditions.
Owner:PRITEST

Methods and systems for recommending agricultural activities

A computer-implemented method for recommending agricultural activities is implemented by an agricultural intelligence computer system in communication with a memory. The method includes receiving a plurality of field definition data, retrieving a plurality of input data from a plurality of data networks, determining a field region based on the field definition data, identifying a subset of the plurality of input data associated with the field region, determining a plurality of field condition data based on the subset of the plurality of input data, identifying a plurality of field activity options, determining a recommendation score for each of the plurality of field activity options based at least in part on the plurality of field condition data, and providing a recommended field activity option from the plurality of field activity options based on the plurality of recommendation scores.
Owner:CLIMATE LLC

Automatic down pressure adjustment system for set of ganged disc openers

A disc opener unit for an agricultural implement has a down pressure adjustment device that automatically adjusts the amount of down pressure applied on a furrowing disc based on strain measurements taken by a strain gauge or load cell. The strain gauge, which may be mounted to an arm that is used to set the position of a depth setting gauge wheel, provides feedback to a processor that in turn controls the amount of hydraulic fluid in a hydraulic cylinder to adjust the down force applied on the disc. The amount of down pressure is therefore adjusted in substantially real-time in response to changes in field conditions, which improves furrow depth consistency and reduces wear on the gauge wheel and its components.
Owner:CNH IND CANADA

Systems and methods for testing the performance of and simulating a wireless communication device

A system abstracts channel information from field data gathered in actual wireless communication system environments. The abstracted data is then transformed into control signals or programming codes that can be used to control channel simulators so as to recreate the field conditions, including path loss, slow fading, fast fading, path delay, fading power spectral density with and without line-of-sight (LOS), and different kind of handoff scenarios, such as soft, softer, intra-band hard, inter-band hard handoffs. The system thus can accurately simulate a realistic wireless communication link originated from multiple signal sources in different band channels and formed by multipath signal propagation. The simulated realistic wireless communication link can be condensed by selecting the most useful scenarios from its original field data files or modified by tuning its parameters as desired.
Owner:INTERDIGITAL PATENT HLDG INC

Rapid disaster notification system

InactiveUS20080088434A1Remove restrictionsQuickly and efficiently transmit useful informationAlarmsElectric signalling detailsField conditionsEngineering
A system operable for detecting the exposure of a person or persons to a plurality of different hazards. The system comprises at least one wearable personal module, a fixed communication center and wireless linking means operable for providing wireless communication between a personal module and the communication center and between a personal module and other personal modules comprising the system. The personal module is operable for detecting exposure of the wearer to a hazard and includes computer means operable for evaluating the threat level of the hazard to the wearer. The personal module further includes telemetry means operable for communicating the threat level to the fixed communication center and / or other personal modules. The personal module includes a plurality of detectors operable for detecting the exposure of the wearer to one or more chemical, physical, biological or radiological hazards under field conditions. The fixed communication center is operable for receiving exposure data from one or more personal modules and communicating the exposure data to first responders.
Owner:SAFETY DESIGN ANANYSIS

Integrated porous rigid wall and flexible wall permeability test device for soils

An apparatus for measuring permeability accurately in expansive clay and non-expansive soils is provided. The apparatus includes hollow porous stone cylinders which prevent the sample from bulging and at the same time allow application of confining pressure on the soil sample enclosed in a flexible membrane, which simulates the field condition and allows for application of back pressure to aid in saturation. The apparatus also allows for accurate comparison of hydraulic characteristics of swelling clays with fluids of various dielectric and other properties. The apparatus can also be used to consolidate the sample either three dimensionally or in one direction and perform permeability tests as well as find out the consolidation characteristics of the sample.
Owner:NORTH DAKOTA STATE UNIV RES FOUND

Systems and methods for testing the performance of and simulating a wireless communication device

A system abstracts channel information from field data gathered in actual wireless communication system environments. The abstracted data is then transformed into control signals or programming codes that can be used to control channel simulators so as to recreate the field conditions, including path loss, slow fading, fast fading, path delay, fading power spectral density with and without line-of-sight (LOS), and different kind of handoff scenarios, such as soft, softer, intra-band hard, inter-band hard handoffs. The system thus can accurately simulate a realistic wireless communication link originated from multiple signal sources in different band channels and formed by multipath signal propagation. The simulated realistic wireless communication link can be condensed by selecting the most useful scenarios from its original field data files or modified by tuning its parameters as desired.
Owner:INTERDIGITAL PATENT HLDG INC

Kd systems with robust timing

QKD systems having timing systems and timing method that allow for QKD to be performed in actual field conditions associated with practical commercial applications of quantum cryptography. The QKD system includes optical modems in each QKD station. Each modem has a circulator with an optical receiver and an optical transmitter coupled to it. One of the optical modems includes two phase lock loops and the other optical modem includes a phase lock loop and a transmit clock. Synchronization pulses are exchanged between the optical modems over a timing channel to synchronize the operation of the QKD system. The phase lock loops serve to lock a receive timing domain to a transmit time domain to ensure proper encoding and detection of weak quantum signals exchanged between the QKD stations.
Owner:MAGIQ TECH INC

Devices and methods for the collection and detection of substances

The present invention is a single self-contained device for collecting, transferring, extracting, and testing for the presence of a target analyte in a sample obtained from a surface by swabbing, solid materials (pills, capsules, unknown powders), air samples and biological and non-biological fluids. The device includes a swab, a retention well including eluent fluid, and analysis technologies which can include but are not limited to lateral flow testing analysis. The major improvement is the invention of rinsing the swab with proprietary elution fluid prior to testing thereby not compromising the chemistry and allowing for a wide variety of applications under extremely hot or cold field conditions. Also, the device is in one self-contained unit instead of having a separate water dropper or spray. Moreover, the shape of the device is similar to a magic marker so it is more substantial than any drug tester on the market, as well in certain embodiments it can have grips resembling a gun and in certain embodiments can even emit sounds or smells when a surface is wiped or a positive test is attained
Owner:UNIV OF FLORIDA RES FOUNDATION INC

Method for preparing calcium carbonate with actual forms

InactiveCN1429772AEasy to shapeThe shape is obviously better than that of the prior art productsCalcium/strontium/barium carbonatesCalcium hydroxideField conditions
A process for preparing calcium carbonate with actual forms (such as spindle, petal, needle, flake, ball fibre, etc.) features that in the supergravity field condition of rotating bed and under the existance of crystal form controlling agent and crystal seeds, the suspension of calcium hydroxide and CO2-contained raw gas take part in carbonifying reaction. Its advantage is controllable granularity and form.
Owner:NANOMATERIALS TECH PTE +1

Test Device for Determining Three-Dimensional Consolidation Properties of Soils

Standard test methods for determining one-dimensional consolidation properties of soils using incremental loading in accordance with ASTM D2435, or AASHTO 216, and of those of other international and organizations, do not accurately predict the values of vertical settlement, coefficients of consolidation in horizontal and vertical directions, and modulus of elasticity in vertical direction, because fixed ring used in these tests do not allow horizontal settlement and dissipation of excess pore-water pressures in horizontal direction, whereas, in field, under application of a vertical load, both horizontal and vertical settlements occur along with dissipation of excess pore-water pressures in both vertical and horizontal directions. To overcome this more than 100 year old problem, the inventor (Dr. Ramesh Chandra Gupta, Ph. D., P.E.) has invented a test device for determining three-dimensional consolidation properties of soils, using a flexible ring which permits development of horizontal and vertical displacements, and dissipation of excess pore-water pressures in both horizontal and vertical directions, along with increased lateral resistance as takes place in field at any depth in a soil deposit when vertical load at the surface is applied.The flexible ring consists of filter fabric around the soil specimen, rubber membrane around the filter fabric, circular segmental metal plates around the membrane and elastomeric rubber bands or spring loaded jacket around the segmental plates, and allows horizontal and vertical displacements, dissipation of pore-water pressures in horizontal and vertical directions to take place with increased lateral resistance with each increment of vertical load like those in the field. Thus new test device simulates field condition to allow accurate determination of three-dimensional consolidation properties of soils (such as settlements, coefficients of consolidation in horizontal and vertical directions, and modulus of elasticity).For this new test device, conventional incremental consolidation frame or triaxial type chamber system either with the triaxial loading system or modified to adapt to incremental consolidation frame, shall be used to perform three-dimensional consolidation tests.
Owner:GUPTA RAMESH CHANDRA

Regional scale plant disease and insect pest prediction method based on multi-source information

ActiveCN103034910AFine information outputForecastingInsect pestPlant disease
The invention relates to the technical fields of remote sensing and spatial data analysis treatment and agronomy, and discloses a regional scale plant disease and insect pest prediction method based on multi-source information. The regional scale plant disease and insect pest prediction method based on the multi-source information comprehensively applies the satellite remote sensing data reflecting vegetation physiological status and the regional scale meteorological data reflecting the meteorological conditions to the prediction of plant diseases and insect pests, thereby overcoming the defect that a traditional disease and insect pest prediction model does not take the influence on the occurrence rate of the plant diseases and insect pests from the vegetation growth status habitat parameter differences among fields into account. The regional scale disease and insect pest prediction method based on the multi-source information takes the vegetation stress conditions and the habitat information of different planting fields into the model input, outputs the occurrence rate of the plant diseases and insect pests in different planting areas through a standard model under a certain field condition, and outputs more accurate information about the predication of the plant diseases and insect pests.
Owner:BEIJING RES CENT FOR INFORMATION TECH & AGRI

Composite fire resistant pouring material

ActiveCN101434490AExcellent coagulationExcellent hardeningFiberSuperplasticizer
The invention relates to an organic-inorganic composite combined advanced monolithic refractory which has the formula of 40 to 56 percent of 5-1mm corundum or bauxite, 12 to 30 percent of 1-0.0088mm corundum or bauxite, 16 to 25 percent of corundum or bauxite with d90 less than 0.088mm, 0 to 5 percent of alpha alumina micropowder, 1 to 8 percent of hydratable alumina, 1 to 6 percent of siliceous dust, 0 to 2 percent of calcium aluminate cement, 0.05 to 0.4 percent of external efficient water reducing agents (polycarboxylic acid plus sulfonation naphthaldehyde polymer plus sulfonation melamine polymer), 1 to 6 percent of latex of the system of external polyacrylic acid, 1 to 6 percent of external water and 0 to 3 percent of external heat-resistant steel fiber. Casting materials of the invention have excellent performances of condensation, hardening, demoulding, drying and heating and are suitable for high-temperature furnace projects with changeful field conditions.
Owner:RUITAI MATERIALS TECHNOLOGY CO LTD

After-treatment method for oil-and water-repellency of fibrous substrates

A method is provided for after-treating fabric with a fluoroacrylate emulsion by spraying or immersion. The immersion can be carried out in a laundering process (preferably in a late cycle of the process) or even under poorly-controlled conditions (e.g. field conditions). The spraying embodiment of this method is useful for treating large, previously manufactured items comprising fabric (e.g. upholstered furniture, tents, awnings, and the like) with an aerosol spray containing micrometer or submicrometer-sized droplets of a diluted version of the fluoroacrylate emulsion. In all embodiments, the fluoroacrylate emulsion contains, dispersed therein with the aid of a surfactant system, essentially a single hydrophobic component comprising a particulate fluoroacrylate copolymer having repeating units of the formulas I and II wherein Rf is a C8-rich fluorinated alkyl radical; R and R1 are hydrogen or alkyl; and R2 is hydrogen or substituted or unsubstituted alkyl. The aqueous dispersion further contains, in addition to the surfactant system, a minor amount of polar organic liquid. Depending upon the melting or softening point of the fluoroacrylate copolymer, drying under heat can be optional and in any event can be carried out at temperatures below 100 DEG C.
Owner:MOODY RICHARD J

Phased array amplitude-phase error near-field calibration method based on one-dimensional rotation

The invention relates to a phased array amplitude-phase error near-field calibration method based on one-dimensional rotation, and the method comprises the steps: S1, building a phased array amplitude-phase error testing system, enabling a phased array antenna to be fixed at an initial rotating angle, and measuring the initial position of a calibration source and the initial position of a reference array element; S2, measuring the receiving channel amplitude information and phase measurement information of the phased array antenna; S3, measuring the transmitting channel amplitude information and phase measurement information of the phased array antenna; S4, judging whether the measurement of all preset rotating angles is carried out or not: executing step S5 if the measurement of all preset rotating angles is carried out, or else enabling the phased array antenna to be rotated to another preset rotating angle, and executing step S2 and step 3; S5, calculating the calibration value of a phased array amplitude-phase error; S6, calculating the initial position of the calibration resource and the initial position of the reference array element through an optimization principle; S7, calculating the calibration value of the phased array amplitude-phase error. The method just needs to meet the far-field condition of a single antenna unit in the phased array antenna, is simple in calibration, is high in operability, is higher in measurement precision, and is easy in engineering realization.
Owner:SHANGHAI RADIO EQUIP RES INST

Integrated testing system for aviation fuel accessories

The invention relates to an integrated testing system for aviation fuel accessories. The integrated testing system comprises an electric control cabinet, a mechanical operating platform, an integrated pump station, a flow proportion testing platform, a pneumatic testing system and a fuel testing system, wherein the mechanical operating platform is connected with a pressurizing oil delivery gas storage tank through the pneumatic testing system; the integrated pump station is connected with the fuel testing system through an oil delivery pipeline; the pneumatic testing system is connected with the fuel testing system through a pneumatic pipeline; the flow proportion testing platform is connected with a pressure refueling joint testing oil tank; and the electric control cabinet is electrically connected with the mechanical operating platform, the integrated pump station, the flow proportion testing platform, the pneumatic testing system, the fuel testing system, the pressurizing oil delivery gas storage tank and the pressure refueling joint testing oil tank. The integrated testing system can perform performance test on all accessories of an aircraft fuel system, is high in integrity,convenient to maintain, compact in structure, small in occupation area and low in cost and expenditure, and is in accordance with specific using environment and support conditions under the field condition of an aviation equipment support army.
Owner:QINGDAO CAMPUS AVIATION ENG COLLEGE OF THE PEOPLES LIBERATION ARMY NAVY

Portable intelligent DC earthing searching instrument

A portable intelligent DC grounding finder, relating to the field of testing short circuit, broken circuit, leakage or incorrect connection on electric instrument, lines or elements, and detecting the failure in cables, transmission lines or networks. The invention is composed of a hand-held set with a converted DC clip style meter and a DC insulation monitor base. The invention uses the clip style meter to correctly find the grounded DC lines and furthermore looks up the specific grounding points of instrument, and correctly finds out the grounding point without DC, even if eliminates the grounding failure under the condition wherein field conditions are allowable, thereby avoiding inconvenience of changing operation modes, revising fixed values and long working time for looking when applying power failure in the work program for finding the grounding, fast and correctly finding the grounding point, which is suitable for testing the short circuit, the broken circuit, leakage or incorrect connection on the electric instrument, the lines and the elements, and detecting the failure in the cables, the transmission lines or the networks.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Humidity control method for mixture used in sintering production

The invention relates to a method for controlling moisture of a mixture for sintering production, and belongs to the technical field of automatic monitoring and intelligent control of mixture moisture. The method adopts a PLC system and a development tool. The control process comprises data acquisition, signal display, data processing, manual input of information, model operation and adjustment for fuzzy control, control quantity output, model self-adapting, and judgment and correction of manual intelligent mode. The method achieves automatic dynamic control of water adding amount of the sintered mixture to make the mixture moisture meet sintering production demand, displays data such as real-time moisture, water adding amount and the like of the material in the production process, and displays operation mode and the like. The method has the advantages that the method is suitable for control of the water adding amount in a mixing process using various sintering production process raw materials, can design an independent control system or can be realized by using the PLC control system based on automatic control of the production process, is limited little by field conditions, is suitable for new projects and reformed projects, and has low cost.
Owner:首钢股份公司迁安钢铁公司

System and method of magnetosonic impedance imaging based on lorentz force mechanic effect

A system and a method of magnetosonic impedance imaging based on a lorentz force mechanic effect comprise an ultrasonic driving excitation source, an ultrasonic probe array, a control system, a magnet system, a direct current power supply and a signal detecting processing system. The ultrasonic probe array is in an emitting or measuring mode through the control system. The direct current power supply is in a connected or disconnected state through the control system so as to achieve two modes of exerting a magnetic field or withdrawing a magnetic field. Mass point vibration speed ratio under a magnetic field condition or a non-magnetic field condition is measured, and a conductivity image is rebuilt according to a square root of the vibration speed ratio. The imaging method does not require electric field measurement, only sound wave signals are required to be measured, a corresponding relation between measured signals and conductivity is simple and clear, and fast image rebuilding is facilitated.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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