66 results about "Equipotential surface" patented technology

A circuit for implementing a registration-free, contiguous conductive plane. A circuit may include a plurality of conductive structures in a first plane. The circuit may further include a contiguous conductive equipotential surface in a second plane parallel to the first plane. The circuit may further include activation means configured to adjust an electric field between the first and second planes thereby activating one or more structures in the first plane by increasing a potential difference between the first and second planes to a threshold level deemed to constitute an active state. The circuit may further include deactivation means configured to adjust the electric field between the first and second planes thereby deactivating one or more structures in the first plane by decreasing the potential difference between the first and second planes below a threshold level deemed to constitute a deactivation state.

An image formation apparatus is disclosed which includes, within an enclosure configured by a pair of substrates placed face to face and an external frame placed between the substrates, an electron source placed on one of the pair of substrates, an image formation material placed on the other substrate, and spacers placed between the substrates, characterized in that the spacers and the external frame is conductive and device is provided for electrically connecting the spacers and the external frame so that the equipotential surfaces between the spacers and the external frame are quasi-parallel when driven.

While an image obtained by a general electron microscope is affected by the shape and material of an object specimen, an image obtained from mirror electrons is affected by the shape of an equipotential surface on which the mirror electrons are reflected, thereby the image interpretation is complicated. A mirror electron microscope of the present invention is provided with the following means for controlling a reflecting plane of the mirror electrons according to the structure of an object pattern to be measured or a concerned defect.1) Means for controlling a potential difference between a specimen and an electron source equivalent to a height of a reflecting plane of a mirror electron beam according to a type, an operation condition of an electron source, and a type of a pattern on a specimen.2) Means for controlling an energy distribution of an illuminating beam with an energy filter 9 disposed in an illuminating system.It is thus possible to inspect a specimen according to a size and a potential of a pattern, which are distinguished from others.

The invention relates to a lightning conductor system for a wind generator blade, comprising several connections which are disposed on the carbon fibre laminates (2) of the blade (1), forming an equipotential surface on the flanges (4) of the beam (10) by means of branches from a main cable (6) through respective auxiliary cables (5). According to the invention, the auxiliary cables are connected to flat metal bars (3), which provide a direct connection with the above-mentioned carbon fibre laminates (2), and are installed during the process involving the lamination and curing of the blade (1). Alternatively, the auxiliary cables are connected to preferably-conical metal pins which pass through the hybrid laminate. A nanocomposite-based conductive resin (11) is disposed immediately adjacent to the connection. In the case of a hybrid laminate comprising layers of carbon fibre and layers of glass fibre, the different layers are made equipotential by means of holes, discontinuous surfaces or hollow openings in the glass fibre layers.

A lightning rod system for wind turbine blades formed by various connections set up on carbon fiber laminates on the blade, equipotentializing the surface of the flanges of the beam through the deviations of a primary cable with the respective auxiliary cables, carried out with the use of a device having terminals that are connected between the ends of the cited auxiliary cable on the connection between the carbon laminates and the conductor cable or primary cable and which has elevated inductance so that it reduces the passage of current across the carbon laminate and favors the conduction through the metal cable.

The invention discloses a geological structure physical simulation experiment device for an ultra-high gravity field of a large-scale centrifugal machine. A bottom plate is arranged on a hanging basket of the centrifugal machine, lead screw assemblies are installed on the bottom plate, lead screws are arranged parallel to the bottom plate, steering devices and lead screw supporting columns are fixed to the bottom plate, sliding guiding rails are arranged on the bottom plate, a motor is installed on the bottom plate, output shafts at the two ends of the motor are connected with two steering devices, the steering devices and the end parts of the lead screws are connected, a fixed baffle is in threaded connection with the lead screws and embedded in the sliding guiding rails, a detachable baffle is arranged on the lower portion of the fixed baffle, the lower end of the detachable baffle is hinged to a swing baffle through a hinge, a curved surface platform with an arc-shaped cylindrical curved surface is arranged on the bottom plate, and moving trajectories of the arc-shaped cylindrical curved surface of the curved surface platform are on the same cylindrical surface taking the rotaryshaft of the centrifugal machine as the circle center shaft when the centrifugal machine rotates and operates. The device has the advantages that a fluid body material in the experiment can be allowed to be located on the same centrifugal force equipotential surface, so that the flowing of the fluid body material caused by non-experiment power factors is prevented, the simulation errors in the prior art is eliminated, and therefore geological structure physical simulation is more accurate.

The invention relates to a method for configuring a long-distance wireless power transmission coil applied in a high-voltage occasion. A transmitting coil and a receiving coil are respectively arranged at a high potential and a ground potential. High-voltage field distribution forms between the transmitting coil and the receiving coil, and a relay coil is arranged between the transmitting coil and the receiving coil. The relay coil is in a thin type curved surface shape. The curved surface shape is distributed in consistence with an equipotential surface of the high voltage field. According to the invention, the structure is simple and easy to realize; wireless power transmission efficiency can be raised; and insulation at a high-voltage side and the low-voltage side can be ensured.

Provided is an electric potential treatment device which can exhibit appropriate and stabilized treatment effect while suppressing impact on the electric field by the surrounding wall or electric apparatus. Along the equipotential surface (P2) of an electric field formed around a person (C) under treatment by a high voltage applied to main electrodes (4-6), a protective electrode (7) having the substantially same potential level as that on the equipotential surface (P2) is arranged. Even if a wall (W), or the like, is located in the vicinity of the person (C) under treatment, equipotential surfaces (P1-P2) located between the protective electrode (7) and the person (C) under treatment, i.e. an electric field formed around the vicinity of the person (C) under treatment, is protected by the protective electrode (7) and thereby appropriate and stabilized treatment effect is exhibited.

A rotating asynchronous converter and a generator device having a first stator connected to a first AC network with a first frequency f1, and a second stator connected to a second AC network with a second frequency f2. The converter has a rotor which rotates in dependence of the first and second frequencies f1, f2. The stators each have at least one winding formed of at least one current-carrying conductor, and an insulation system, formed of semiconducting layers each forming an equipotential surface, and a solid insulation between the semiconducting layers.

In the case of inspecting samples having different sizes by means of a semiconductor inspecting apparatus, a primary electron beam bends since distribution is disturbed on an equipotential surface at the vicinity of the sample at the time of inspecting vicinities of the sample, and what is called a positional shift is generated. A potential correcting electrode is arranged outside the sample and at a position lower than the sample lower surface, and a potential lower than that of the sample is applied. Furthermore, a voltage to be applied to the potential correcting electrode is controlled corresponding to a distance between the inspecting position and a sample outer end, sample thickness and irradiation conditions of the primary electron beam.

The invention discloses a microwave plasma reactor used for manufacturing a monocrystal diamond and a diffusion device thereof. The diffusion device comprises a diffusion base, a gas inlet pipe groupand medium glass, wherein the diffusion base is provided with a conical wall body; the upper edge of the wall body is provided with a first round flange; the lower edge of the wall body is provided with a second round flange which is parallel to the first round flange; the enclosure of the wall body defines a diffusion opening therein; the area of the cross section of the diffusion opening is gradually increased in a direction from the first round flange to the second round flange; the gas inlet pipe group comprises at least two gas inlet pipes which are circumferentially and uniformly distributed around the axis of the diffusion base; the medium glass is clamped in the first round flange and seals the upper part of the diffusion opening; a plurality of gas holes are also circumferentiallyand uniformly arranged in the wall body along an axis; and gas brought in by the gas inlet pipes is introduced into the diffusion opening through the gas holes. According to the invention, through arrangement of the conical diffusion base, microwave is guided to be distributed around a seed crystal in a uniform and stable ellipsoid equipotential surface manner, so a good environment is provided for growth of the seed crystal, and the growth quality of the seed crystal is improved.

The present invention provides an organic light emitting device which can reduce the angle dependency of the emission brightness and the emission color, and has a small change in the emission brightness and the emission color with respect to film thickness fluctuations, and can increase use efficiency of the light. The organic light emitting device of the present invention has a plurality of emission layers 3 between an anode 1 and a cathode 2, and the emission layers 3 are separated from each other by an equipotential surface forming layer 4 or a charge generating layer 4. The feature of the present invention resides in that the organic light emitting device has, at least either inside or outside the device, a light scattering means 5 for scattering light emitted from the emission layers 3. The organic light emitting device can reduce the angle dependency of the emission brightness and the emission color by outputting the light emitted from the emission layers in a condition where the light is scattered by the light scattering means.

The invention relates to a foil-based package with at least one foil substrate having an electrically conductive layer arranged thereon which is patterned to provide a first electrically conducting portion and a second electrically conducting portion, which is coplanar to the first electrically conducting portion, and a third electrically conducting portion, which is coplanar to the first electrically conducting portion, the first electrically conducting portion being arranged between the second and third electrically conducting portions. In accordance with the invention, the first electrically conducting portion is implemented to be a signal-guiding waveguide for high-frequency signals and the second electrically conducting portion, which is coplanar to the first electrically conducting portion, and the third electrically conducting portion, which is coplanar to the first electrically conducting portion, form an equipotential surface.

The invention provides a tunnel advanced geological forecast three-dimensional modeling method and system based on BIM. The method comprises the following steps: constructing an advanced geological forecast data relationship library, wherein the advanced geological forecast data relationship library associates a first data storage table and a second data storage table by taking a measuring point ID as a main key, the first data storage table stores a measuring point ID, a measuring point initial position space coordinate and a name of a project to which the measuring point belongs, and the second data storage table stores a measuring point ID, a measuring point space coordinate and a measuring point reflection coefficient; accessing an advanced geological forecast data relationship library, and reading a measurement point initial position space coordinate, a measurement point space coordinate and a measurement point reflection coefficient associated with a specified measurement point ID in the specified project name as modeling original data; using BIM software to call modeling original data, carrying interpolation fitting of equipotential surface according to a set grid density value and reflection coefficient equivalence, taking a preset reflection coefficient reference value as a geological forecast critical value to determine a geological forecast critical surface, and thenconstructing an advanced geological forecast body three-dimensional model.

A method for localizing a medical instrument introduced into the body of a patient, comprising:arranging at least four electrodes on the body of the patient,recording three-dimensional image data of a region of the patient,determining a conductivity model of the patient via the image data,determining electric field distribution when a voltage or current is applied for at least three electrode pairs formed from the four electrodes via the conductivity model and spatial positions of the electrodes, not all the electrodes lying in one plane,applying a voltage or a current at each electrode pair and determining three voltage values at an electrode of the medical instrument for the three electrode pairs, anddetermining the spatial position of the medical instrument as the intersection of equipotential surfaces assigned to the three voltage values at the electrode of the medical instrument.