pe

Desktop adhesive tape dispenser

A desktop dispenser includes a stationary base including a bottom member defining a bottom open chamber, a vacuum mount including a suction disc positioned in the bottom open chamber and an actuation rod extended from the top wall of the suction disc, and a carrier coupled to the stationary base and biasable between a first position and a second position. When the carrier is in the first position, the actuation rod of the vacuum mount is in an initial position; when the carrier is in the second position, the driving member lifts the actuation rod of the vacuum mount to an acting position. Thus, the desktop tape dispenser can be adhered to the top of a desk.




pe

Tape device

The present invention relates to a tape guiding mechanism (10) of a tape device (100). The tape device (100) comprises a strip of tape (20) having supply tape (22) and take up tape (24); a spool portion (130); a supply spool (40) disposed at the spool portion (130) for winding the supply tape (22); a take up spool (50) disposed at the spool portion (130) for winding the take up tape (24); an application tip (12); and a spool mechanism (70) for allowing the supply and the take up spools (40 & 50) to rotate such that the tape travels from the supply spool (40), around the applicator tip (120), and to the take up spool (50).




pe

***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Filament winding apparatus

A filament winding apparatus prevents a fiber bundle supplied to a liner from interfering with other fiber bundles and fiber supplying guides. First and second guide units include a plurality of fiber supplying guides arranged radially and extending and contracting in a direction approximately perpendicular to a liner central axis. When a fiber bundle supplied from a first supplying guide of the first guide unit crosses between a second supplying guide of the second guide unit and the liner, the distance from the second supplying guide to the liner central axis is made larger than the distance from the first supplying guide to the liner central axis, and in the reverse case, the distance from the first supplying guide to the liner central axis is made larger than the distance from the second supplying guide to the liner central axis.




pe

Automated sheet product dispenser

A roller for a sheet product dispenser includes a roller shaft, a roller frame molded onto the roller shaft, and a plurality of flexible rubber portions overmolded onto the roller frame and spaced along a length of the roller frame. The rubber portions are configured to contact a sheet product for dispensing from the sheet product dispenser. A dispensing mechanism for a sheet product dispenser includes a chassis and a roller positioned within and coupled to the chassis. The roller includes a roller shaft, a roller frame molded onto the roller shaft, and a plurality of flexible rubber portions overmolded onto the roller frame and spaced along a length of the roller frame. The rubber portions are configured to contact a sheet product for dispensing from the sheet product dispenser.




pe

Lead equipped with means for blocking the extensible cord

An extensible cord lead comprising a casing (11) containing a winding wheel (13) equipped with housings (15) intercepted by a pushbutton (16) to allow the partial or total blocking of the cord, the pushbutton (16) being equipped with a forward position blocking device consisting of a cursor (20) which slides or rotates in a transverse direction with respect to the axis of the pushbutton (16) in which it is inserted, said cursor (20) being activated by a thumb-turn (21) located on the head of the pushbutton (16), said cursor (20) being able to move from a blocked position to free sliding of the pushbutton, entering and exiting transversally to the sliding axis of the pushbutton (16), in a housing (22) in the box-like casing (11) of the winding device.




pe

Soil opener

A soil opener comprises a tip attached to or integral with a body. The tip includes furrowing prow for cutting a furrow in the soil surface, a protrusion on the underside of the tip for cutting a trench within the furrow, and a seed distributor for depositing seeds within the furrow in laterally displaced seed rows. The body includes a seed passage for directing a seed stream to the seed distributor, a primary fertilizer passage for depositing a primary fertilizer stream, and a secondary fertilizer passage for depositing a secondary fertilizer. As the soil opener is moved across the soil surface, the body opener deposits primary fertilizer in the vicinity of the seed rows, and secondary fertilizer between the seed rows in a trench slightly below the surface of the seeds.




pe

Hopper for a seed metering assembly

The present invention is directed to a hopper for a seed metering system that has a series of individualized and independently controlled metering units. The hopper has a plurality of discharge openings that can be selectively opened and closed to expose an opening to a respective one of the plurality of metering units. Each seed metering unit is selectively driven by a common drive member, such as a drive shaft. When a seed metering unit is engaged with the drive member, the unit will meter granular material. On the other hand, when the seed metering unit is not engaged with the drive member, the metering unit will not meter granular material. Hence, the present invention provides a seed metering apparatus that provides effective sectional control.




pe

Soil gathering module for soil opener

A soil opener has a frog mount adapted to be coupled to a shank or other mounting member of a farm implement. A spreader is removably coupled to the frog mount and includes forward and rearward product delivery channels that are intended to be flow-coupled to product delivery tubes or hoses of the farm implement. A tip is removably coupled to the spreader. The leading edges of the frog mount, the spreader, and the tip, as well as the geometry between these components are such that drift is minimized even when the soil opener is pulled through the soil at higher speeds, e.g., excess of 5 mph. The soil opener may be equipped with an optional soil gathering module that gathers soil lifted by the tip and redirects the soil to a position generally rearward of the opener.




pe

Soil deflector wing for furrow opener with replaceable winged tip body

A paired row opener has a furrowing tip arranged to be selectively supported on a body of the opener. The furrowing tip includes a knife portion and a pair of wing portions extending rearwardly and outwardly therefrom where are separable together from the opener body. A pair of deflector wings are integrally formed on the opener body above inner edges of the respective wing portions which are abutted with the opener body so as to deflect disturbed soil away from a seam between the inner edge of the wing portions and the opener body. An insulated mounting block is fastened onto a rear bracket of the opener body which receives an anhydrous ammonia delivery tube therethrough so permit optional delivery of anhydrous ammonia at a location which is insulated and spaced rearwardly from the opener body.




pe

Independent suspension for closing discs of an agricultural row unit closing assembly

One closing assembly of a row unit for an agricultural implement includes a frame configured to support ground-working tools of the row unit. Multiple arms are coupled to the frame, each arm of the multiple arms being independently rotatable about a common axis. Each arm is configured to be coupled to a closing disc configured to direct soil into a trench.




pe

Nonmagnetic material particle dispersed ferromagnetic material sputtering target

Provided is a nonmagnetic material particle dispersed ferromagnetic material sputtering target comprising a material including nonmagnetic material particles dispersed in a ferromagnetic material. The nonmagnetic material particle dispersed ferromagnetic material sputtering target is characterized in that all particles of the nonmagnetic material with a structure observed on the material in its polished face have a shape and size that are smaller than all imaginary circles having a radius of 2 μm formed around an arbitrary point within the nonmagnetic material particles, or that have at least two contact points or intersection points between the imaginary circles and the interface of the ferromagnetic material and the nonmagnetic material. The nonmagnetic material particle dispersed ferromagnetic material sputtering target is advantageous in that, in the formation of a film by sputtering, the influence of heating or the like on a substrate can be reduced, high-speed deposition by DC sputtering is possible, the film thickness can be regulated to be thin, the generation of particles (dust) or nodules can be reduced during sputtering, the variation in quality can be reduced to improve the mass productivity, fine crystal grains and high density can be realized, and the nonmagnetic material particle dispersed ferromagnetic material sputtering target is particularly best suited for use as a magnetic recording layer.




pe

Inorganic-particle-dispersed sputtering target

Provided is an inorganic-particle-dispersed sputtering target in which inorganic particles are dispersed in a Co base material, wherein the inorganic particles have an electric resistivity of 1×101 Ω·m or less and the volume ratio of the inorganic particles in the target is 50% or less. The sputtering target thus adjusted is advantageous in that, when sputtering is performed using a magnetron sputtering device comprising a DC power source, the inorganic particles are less charged, and arcing occurs less frequently. Accordingly, by using the sputtering target of the present invention, the occurrence of particles attributable to the arcing reduces, and a significant effect of improving the yield in forming a thin film is obtained.




pe

Rapid-read gated amperometry devices

A sensor system, device, and methods for determining the concentration of an analyte in a sample is described. Input signals including multiple duty cycles of sequential excitation pulses and relaxations are input to the sample. One or more signals output from the sample within 300 ms of the input of an excitation pulse may be correlated with the analyte concentration of the sample to improve the accuracy and/or precision of the analysis. Determining the analyte concentration of the sample from these rapidly measured output values may reduce analysis errors arising from the hematocrit effect, mediator background, and other error sources.




pe

Sperm separation devices and associated methods

The present invention provides methods, devices, and kits for separating and selecting top sperm from a sperm sample of a subject. In one aspect, for example, such a method can include removing a portion of negatively charged protein from sperm in the sperm sample, immobilizing the sperm, electrophoretically separating the sperm, and selecting mature sperm based on electromotility properties.




pe

Electric-field enhanced performance in catalysis and solid-state devices involving gases

Electrode configurations for electric-field enhanced performance in catalysis and solid-state devices involving gases are provided. According to an embodiment, electric-field electrodes can be incorporated in devices such as gas sensors and fuel cells to shape an electric field provided with respect to sensing electrodes for the gas sensors and surfaces of the fuel cells. The shaped electric fields can alter surface dynamics, system thermodynamics, reaction kinetics, and adsorption/desorption processes. In one embodiment, ring-shaped electric-field electrodes can be provided around sensing electrodes of a planar gas sensor.




pe

Methods and apparatus for applying periodic voltage using direct current

Methods and apparatus for applying pulsed DC power to a plasma processing chamber are disclosed. In some implementations, frequency of the applied power is varied to achieve desired processing effects such as deposition rate, arc rate, and film characteristics. In addition, a method and apparatus are disclosed that utilize a relatively high potential during a reverse-potential portion of a particular cycle to mitigate possible nodule formation on the target. The relative durations of the reverse-potential portion, a sputtering portion, and a recovery portion of the cycle are adjustable to effectuate desired processing effects.




pe

Oligonucleotide analogs as therapeutic agents

The invention relates to design of short oligonucleotides and analogs thereof (such as, di-, and trinucleotide compounds) useful for various therapeutic applications. It is believed that the compounds of the invention can be used as antiviral agents, anticancer agents and so on. In certain embodiments, the compounds of the invention can modulate immune-stimulatory pathways and non-TLR pathways. The invention also relates to design modified oligonucleotides for therapeutic applications, by excluding nucleotide segments having off-target effects from the modified oligonucleotides. In another aspect, the invention provides pharmaceutical compositions including one or more compounds of the invention. It is believed that the compounds and compositions as described herein have therapeutic utility against a variety of diseases, including viral diseases, autoimmune diseases (such as, allergy, asthma, and inflammatory disorders) and cancer.




pe

Scraper with lateral tilt

A scraper that has a frame that supports wheels. The scraper includes a blade and a blade height and tilt assembly that are connected to the frame in order to both adjust the height of the blade and the angle at which the blade cuts soil.




pe

Vibratory ripper having pressure sensor for selectively controlling activation of vibration mechanism

A ripping mechanism for a vehicle has a support frame. A ripping member has an engagement head that is configured for plowing a groove in the ground. The ripping member is preferably positionable in a selected working position and working orientation by adjustment of the support frame. The ripping member is preferably movable relative to the support frame to cause reciprocating movement of the engagement head at least partially longitudinally. A tilt adjustment cylinder is preferably operable to orient the ripping member in the selected orientation. A vibrator mechanism is preferably operatively connected to the ripping member and activatable to cause reciprocating movement of the engagement head at least partially longitudinally.




pe

Scraper blade assembly for planter gauge wheels

A scraper assembly for removing mud and moist soil from the gauge wheels of an agricultural planter includes a support rod attached to a hub of a gauge wheel arm, a clamp structure attached to an end portion of the support rod, and a scraper blade attached to the clamp structure. An axis of the end portion of the support rod is approximately perpendicular to and intersects with an axis of rotation of the gauge wheel. The scraper blade is mounted approximately perpendicular to the outer surface of the gauge wheel and is angled approximately 45 degrees from the sides of the gauge wheel. The scraper blade has a curved profile along its length that substantially matches an outer profile of the outer surface of the gauge wheel when the scraper blade is properly adjusted.




pe

Ripper tip for a ripper shank assembly

A ripper tip includes a front end, a rear end, and a mounting cavity extending into the rear end. The ripper tip further includes an upper surface extending between the front end and the rear end, wherein a portion of the upper surface at the rear end of the ripper tip includes an upwardly projecting ridge having ridge sides and a ridge top that extend rearwardly on the ripper tip.




pe

Agricultural apparatus for sensing and providing feedback of soil property changes in real time

An agricultural system includes an agricultural row unit movable on a field between a first soil condition and a second soil condition, the first soil condition having a different soil hardness than the second soil condition. A down-pressure actuator applies an initial first pressure associated with the first soil condition. A soil-hardness sensing device is positioned at a distance D forward of the row unit and outputs a soil-hardness change signal when detecting a change from the first soil condition to the second soil condition. At least one memory device stores instructions that, when executed by at least one processor, cause the down-pressure actuator to change, in response to receiving the soil-hardness change signal, the initial first pressure to a different second pressure when the row unit encounters the second soil condition.




pe

Electrically operated turf stacking system for sod harvesting machine

The present invention extends to a stacking mechanism having electrical actuators for stacking slabs of sod on a sod harvesting machine. The electrical actuators allow the stacking head to be driven in three axes. The stacking mechanism also includes position feedback sensors for reporting the position of the stacking head to enable precision when operating the stacking head at a fast rate. The stacking mechanism of the present invention also provides temporary pallet support wings to enable the continued stacking of slabs of sod on one pallet even while another pallet is being dropped from the sod harvesting machine.




pe

Passive load and active velocity based flow compensation for a hydraulic tractor hitch

A hitch on a vehicle is raised and lowered by a hydraulic actuator controlled by an electrically operated valve. A control system receives a command that indicates a designated velocity and uses the command to operate the valve. Based on a reference external force exerted on the hitch, the control system is configured with relationships for converting a plurality of command values to corresponding electric current levels for operating the valve. The control system compensates for effects due to differences between the actual force acting on the hitch and the reference external force. Velocity feedback adjusts the electric current level applied to the valve. The passive load force control provides a predictor of the hitch load force to eliminate overshoot/undershoot of hitch motion. During hitch motion, the velocity feedback also compensates for effects due to load and hitch geometry changes that occur.




pe

Wavy agricultural tillage blade with sharpened edge

A method of making a tillage blade by obtaining a generally circular sheet metal steel disc having an outer peripheral edge. Waves are made in the outer peripheral edge of a circular steel disc in a predetermined pattern while the steel is cold. The outer peripheral edge is then sharpened at a predetermined acute angle with respect to a first plane by grinding. Then the disc is heat treated to make it harder so it will wear longer. If it is desired to have a concave/convex disc, instead of a coulter, then during the heat treating process the disc is deformed so that the sharpened portions of the peripheral edge remain generally in the first plane but a central portion of the disc is disposed at least partially in a second plane which is parallel to but spaced from the first plane.




pe

***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Display device and electronic device including the same

A display device includes a pixel portion including a plurality of pixels each including a first transistor, a second transistor, and a light-emitting element, in which a gate of the first transistor is electrically connected to a scan line, one of a source and a drain of the first transistor is electrically connected to a signal line, and the other of them is electrically connected to a gate of the second transistor; one of a source and a drain of the second transistor is electrically connected to a power supply line and the other of them is electrically connected to the light-emitting element, and the first transistor includes an oxide semiconductor layer. A period when the display device displays a still image includes a period in which output of a signal to all the scan lines in the pixel portion is stopped.




pe

Film for flip chip type semiconductor back surface, dicing tape-integrated film for semiconductor back surface, process for producing semiconductor device, and flip chip type semiconductor device

The present invention relates to a film for flip chip type semiconductor back surface to be formed on a back surface of a semiconductor element flip chip-connected to an adherend, the film for flip chip type semiconductor back surface containing an inorganic filler in an amount within a range of 70% by weight to 95% by weight based on the whole of the film for flip chip type semiconductor back surface.




pe

***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Vehicle side airbag device

A deployment guiding cloth is wound from an outside in the vehicle width direction, on an outer peripheral portion of a folded side airbag. This deployment guiding cloth extends toward a vehicle front side and is interposed between the side airbag that is partially deployed and a vehicle cabin side portion (a center pillar garnish and a door trim) before the side airbag is fully deployed.




pe

Four-wheel independent suspension system for an electric wheelchair

A four-wheel independent suspension system for an electric wheelchair includes a chassis, two front wheels each fixed to a front rod respectively, and two rear wheels each fixed to a rear rod respectively. The chassis includes a rail extending in a width direction of the chassis, each of the front and rear rods has one end connected to a square first connecting sleeve, in the first connecting sleeve is disposed a first shock absorber which includes a rectangular outer pipe, and a rectangular inner pipe disposed in and rotated degrees with respect to the outer pipe, the edges of the inner pipe are abutted against the inner surface of the outer pipe, between each of the edges of the inner pipe and the inner space of the outer pipe is disposed an elastic rubber, the inner pipe of each of the first shock absorbers is sleeved on the rail.




pe

Control arrangement for a hydropneumatic suspension system and hydropneumatic suspension system comprising such a control arrangement

A control arrangement for a hydropneumatic suspension system and a hydropneumatic suspension system are provided. The control arrangement has a pressure supply connection, a return connection, a piston chamber connection adapted to be connected to the piston chamber of a suspension cylinder of the hydropneumatic suspension system, an annular chamber connection adapted to be connected to the annular chamber of the suspension cylinder, and at least one controllable valve arrangement comprising a plurality of switch positions via which the pressure supply connection and the return connection are connectable to the piston chamber connection and the annular chamber connection. The annular chamber connection is in flow connection with the return connection via a pressure-limiting line having a hydraulically controllable pressure-limiting element. The pressure-limiting element has a control input adapted to be acted upon via a control line by a control pressure which is limitable to a predefinable pressure limit.




pe

Reconfigurable fixed suspension semi-trailer, flatbed or chassis

A reconfigurable fixed position suspension and support structure attached to the trailer body using a locking device consisting of pins, bolts and/or other fastening devices. The support structure has a removable locking device that when attached to the support structure locks the support structure and suspension into a fixed position relative to the trailer body. When the trailer is not in operation, the locking device can be removed allowing the suspension group to be reconfigured, and each suspension to be repositioned relative to the trailer body. The removable locking device is then reattached to the suspension support structure locking the support structure and suspension into a new fixed position relative to the trailer body.




pe

Bicycle suspension system

An embodiment of the invention includes a three-component rear-wheel suspension system for interconnecting to a bicycle frame and a shock absorbing device. The three components are an upper stay pivotally attached to the frame, a lower stay having a rear wheel mount and pivotally connected to the upper stay at a location generally above the rear wheel mount, and a link pivotally connected to the frame at a location below where the upper stay is attached to the frame and pivotally coupled to the lower stay. The general arrangement of the linkages between the three components permit compression of the suspension system (i.e. relative upward movement of the rear wheel) with limited chainstay lengthening.




pe

Chair to assist physically challenged persons in swimming

The present invention relates to a swim chair that allows a mobility challenged individual to be transported across the sand with exceptional ease, to lounge on the chair and enjoy the company and sights, to be pulled into the water and, if able, to slip off the chair to go for a swim, remount the chair and return to shore. The chair includes a main frame, defined by a top frame member and two side frame members; two axle support plates, at or in communication with the side frame members of the main frame, the axle support plates having a plurality of openings to receive a wheel axle and optionally a pull rod axle; a wheel assembly; a drop seat; a footrest and a backrest.




pe

Multiple axle equalizing rubber suspension

A suspension system for a vehicle includes a frame mounting bracket for mounting to the vehicle. The suspension includes front and rear rubber torsion axle assemblies. Front and rear lever assemblies are respectively pivotally attached to the vehicle at front and rear lever pivot points. Outer housings of the rubber torsion axle assemblies are each respectively rigidly mounted to the front and rear lever assemblies. A rigid control arm is pivotally connected at one end to the front lever assembly at a front control arm pivot point and its other end is pivotally connected to the rear lever assembly at a rear control arm pivot point. When the suspension assembly encounters a force causing the front lever assembly to rotate in one direction about the front lever pivot point the rigid control arm causes the rear lever assembly to rotate about the rear lever pivot in an opposite direction.




pe

***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Pre-weakened cover for an airbag and method of making

A pre-weakened cover of an airbag module is provided including a layer having an outer show surface and an opposing inner surface. A plurality of first cuts is arranged at a first angle on the inner surface. A plurality of second cuts is arranged at a second angle on the inner surface. Each of the second cuts intersects two adjacent first cuts to form a generally V-shaped pattern.




pe

Methods and systems for improved drilling operations using real-time and historical drilling data

Methods and systems are described for improved drilling operations through the use of real-time drilling data to predict bit wear, lithology, pore pressure, a rotating friction coefficient, permeability, and cost in real-time and to adjust drilling parameters in real-time based on the predictions. The real-time lithology prediction is made by processing the real-time drilling data through a multilayer neural network. The real-time bit wear prediction is made by using the real-time drilling data to predict a bit efficiency factor and to detect changes in the bit efficiency factor over time. These predictions may be used to adjust drilling parameters in the drilling operation in real-time, subject to override by the operator. The methods and systems may also include determining various downhole hydraulics parameters and a rotary friction factor. Historical data may be used in combination with real-time data to provide expert system assistance and to identify safety concerns.




pe

Method and apparatus for opening threaded joints of drilling equipment

The invention relates to a method and apparatus for opening threaded joints of drilling equipment (6) by striking the drilling equipment (6) with the percussion device of a rock drilling rig (1) and by measuring vibration originating from the drilling equipment (6) during striking. In addition to vibration, measuring means (9) measure a parameter defining at least one additional condition, on the basis of which the decision to stop striking is made.




pe

Drill bit assembly having electrically isolated gap joint for measurement of reservoir properties

A drill bit assembly for measuring reservoir formation properties comprises a bit head and a pin body, and an electrically insulated gap joint between two conductive parts of the drill bit assembly. The bit head has a cutting end and an opposite connecting end with an engagement section. The pin body comprises a connecting end with an engagement section. The pin connecting end is connected to the bit head connecting end such that the engagement sections overlap. The electrically insulating gap joint can fill a gap between the bit head and pin body engagement sections such that the bit head and pin body are mechanically connected together at the connecting ends but electrically separated. Alternatively or additionally, the pin body can have two pieces which are separated by an electrically insulating gap joint. An electrical conductor is electrically connected at a first end to the bit head and is communicable at a second end with an alternating current signal to transmit an alternating current into the bit head, thereby inducing an electric current into a reservoir formation adjacent the bit head. Electronic equipment includes measurement circuitry configured to determine the alternating current at the bit head, the alternating current being inversely proportional to a bit resistivity of the formation.




pe

Drilling fluid that when mixed with a cement composition enhances physical properties of the cement composition

According to an embodiment, a drilling fluid comprises: water and a set accelerator, wherein the drilling fluid has a 10 minute gel strength of less than 20 lb*ft/100 sq ft, wherein the drilling fluid has a density in the range of about 9 to about 14 pounds per gallon, wherein the drilling fluid remains pourable for at least 5 days, and wherein when at least one part of the drilling fluid mixes with three parts of a cement composition consisting of water and cement, the drilling fluid cement composition mixture develops a compressive strength of at least 1,200 psi. According to another embodiment, a method of using the drilling fluid comprises the steps of: introducing the drilling fluid into at least a portion of a subterranean formation, wherein at least a portion of the drilling fluid is capable of mixing with a cement composition.




pe

Shaped cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods

A cutting element for an earth-boring tool. The cutting element comprises a substrate base, and a volume of polycrystalline diamond material on an end of the substrate base. The volume of polycrystalline diamond material comprises a generally conical surface, an apex centered about a longitudinal axis extending through a center of the substrate base, a flat cutting surface extending from a first point at least substantially proximate the apex to a second point on the cutting element more proximate a lateral side surface of the substrate base. Another cutting element is disclosed, as are a method of manufacturing and a method of using such cutting elements.




pe

Active compensation for mud telemetry modulator and turbine

An arrangement having a piston configured to move along an axial pathway a rotating seal configured to seal an inside environment from an outside environment, the rotating seal configured to be acted upon by a pressure exerted from the piston, a differential pressure sensor measuring a pressure difference between a first fluid from the outside environment and a second fluid on the inside environment, a motor connected to the piston, the motor configured to actuate the piston to a position along an axial pathway and an electronic feedback control system connected to the motor, the electronic feedback system configured to interface with the differential pressure sensor and maintain a pressure generated by the piston onto the rotating seal to a desired pressure.




pe

Structure for gunpowder charge in combined fracturing perforation device

This invention provides a structure for gunpowder charge for charging gunpowders of different rates in combined fracturing perforation devices. The structure for gunpowder charge is convenient to mount and transport. In one embodiment, said structure for gunpowder charge comprises an inner gunpowder box located between adjacent perforating charges in the charge frame of a perforation device, and an outer gunpowder box attached to the outer wall of the charge frame, wherein said outer gunpowder box comprises one or two box units (2 or 4) with at least one claw at the inner side of said box unit, said claw can be locked into a groove or installation hole of the charge frame, and wherein said inner gunpowder box and said outer gunpowder box are charged with gunpowders of different burning rates.




pe

Drilling speed and depth computation for downhole tools

A method for managing a drilling operation, including generating, by a first sensor and a second sensor of a bottom hole assembly (BHA), a first time based data log and a second time based data log, respectively, representing a borehole parameter along a drilling trajectory, determining, by a computer processor of the BHA and during the drilling operation, a time shift by comparing the first time based data log and the second time based data log, where offsetting the first and second time based data logs by the time shift maximizes a correlation factor of the first and second time based data logs, and determining, within a pre-determined time period from generating the first and second time based data logs, a drilling speed based on the time shift and a pre-determined distance between the first sensor and the second sensor.




pe

Two-dimensional detection system for neutron radiation in the field of neutron scattering spectrometry

This invention relates to a two-dimensional detection system for neutron radiation comprising a means (1) for emitting a neutron beam (10), a support means (2) adapted for receiving a sample (3), a photoemission means (5) adapted for being activated by a neutron radiation, a cooled low light level charge-coupled detection device (7). The emission means (1) emits a monochromatic neutron beam (10). The system further comprises a filter means (4), the filter means (4) being located between the support means (2) and the photoemission means (5) and being adapted for trapping at least a substantial part of the monochromatic neutron beam transmitted (12) by the sample (3), and an amplification means (6) located upstream the charge-coupled detection device (7) and coupled with the charge-coupled detection device (7).




pe

Method of mechanically controlling the amount of energy to reach a patient undergoing intraoperative electron radiation therapy

Apparatus for performing electron radiation therapy on a breast cancer patient preferably includes an intraoperative electron radiation therapy machine, an intraoperative electron radiation therapy collimator tube connected to the intraoperative electron radiation therapy machine, and a plurality of filters made of a material having substantially the same density as human breast tissue for placement between the machine and the patient to change the energy of a monoenergetic beam after the beam has left the machine, allowing a filter to be chosen to reduce the energy traveling through the tube to a desired amount of energy to treat the patient. A method of controlling the amount of energy to reach a breast cancer patient undergoing electron radiation therapy includes selecting a filter made of a material having substantially the same density as human tissue and placing the filter between an intraoperative electron radiation therapy machine and a breast cancer patient to change the energy of a monoenergetic beam after it has left the machine, the filter being chosen to reduce the energy traveling from the machine to a desired amount of energy to treat the patient.




pe

Acquisition method and apparatus for mass spectrometer data

A method and apparatus for acquiring data from a mass spectrometer and its transmission to a computer system including a data acquisition engine, a network interface and a throughput optimization module which includes a ring buffer and a protocol stack. A compression engine may be provided between the acquisition engine and the ring buffer. The ring buffer is configured as a number of segments containing portions of memory matching the size of data words from the acquisition engine. When a segment is full of data corresponding to the words, or is partially full and has received data containing an end of scan marker, the number of words in the segment is written into a header word in the segment and the data in that segment are moved to the protocol stack. Subsequent data is received by the next segment in the buffer.




pe

Method of mass spectrometry and a mass spectrometer

The present invention relates to a method of mass spectrometry, an apparatus adapted to perform the method and a mass spectrometer. More particularly, but not exclusively, the present invention relates to a method of mass spectrometry comprising the step of associating parent and fragmentation ions from a sample by measuring the parent and fragmentation ions from two or more different areas of the sample and identifying changes in the number of parent ions between the areas in the sample, and corresponding changes in the number of fragmentation ions between the two areas.




pe

High pressure mass spectrometry systems and methods

Mass spectrometers and methods for measuring information about samples using mass spectrometry are disclosed.




pe

Image sensors having variable voltage-current characteristics and methods of operating the same

Image sensors and methods of operating the same. An image sensor includes a pixel array including a plurality of pixels. Each of the plurality of pixels includes a photo sensor, the voltage-current characteristics of which vary according to energy of incident light, and that generates a sense current determined by the energy of the incident light; a reset unit that is activated to generate a reference current, according to a reset signal for resetting at least one of the plurality of pixels; and a conversion unit that converts the sense current and the reference current into a sense voltage and a reference voltage, respectively.




pe

Inspection method and inspection apparatus of winding state of sheet member

Laser light is emitted to a sheet member wound on a forming drum in a range which includes the entire width of the sheet member and distance data on a distance to a reflecting surface is obtained, using a two-dimensional laser sensor which has a detection range along a drum circumferential direction, while moving either the two-dimensional laser sensor or the forming drum in a drum width direction. Further, the positions of width-directional opposite end sections of the sheet member are calculated on the basis of the obtained distance data.