199 results about "Electromagnetic interaction" patented technology

Devices and methods for treating biological tissue using a plasma gas-discharge are disclosed herein. An electrode for igniting a gas flow to form a plasma gas-discharge, wherein the electrode is configured within the device such that upon encountering a surface of the biological tissue by the electrode, a path of current from the electrode to the surface of the biological tissue is formed, thereby igniting the gas flow and forming the plasma gas-discharge. In some embodiments, electromagnetic interactions between the treated biological tissue and the plasma gas discharge traversing the electromagnetic interaction gap shape the profile of the plasma gas discharge. According to some embodiments, the device includes an electrode for igniting gas of the gas flow, and electromagnetic interactions between the electrode and the skin determine, at least in part, the electromagnetic interactions that shape the profile of the plasma gas discharge. In some embodiments, the device further includes a housing for providing support for the electrode, wherein the electrode is disposed relative to the housing such that the electrode is substantially electrically unshielded by the housing, and the electrode is positioned to electromagnetically interact with a surface of the biological tissue to shape, at least in part, the plasma profile. According to some embodiments, the presently disclosed device includes a dual-purpose nozzle-electrode for gas delivery and for igniting the gas flow. A method of transdermal ion delivery of a plasma flux to biological tissue as a means of treating the biological tissue is also provided.

Electric rotary current machine that includes a casing and a stator fitted within the casing. The stator has at least one stator winding. At least two mechanically separate rotors are rotatably mountable within the casing and have a same axis of rotation. In this way, each rotor has electromagnetic interaction with the stator when the stator is electromagnetically active. The rotor speeds are the same or different. A motor control is arranged to control a supply to at least one of said at least one stator winding by superposition of at least two rotary field components, one for each rotor.

An information processing apparatus includes an operation surface, a first sense unit for electrically detecting whether the operation surface is directly touched, a second sense unit for detecting whether the position pointing device approaches or contacts the operation surface based on an electromagnetic interaction, an approach detector for detecting whether the position pointing device approaches a first detection range from the operation surface and whether the position pointing device approaches a second detection range based on an output from the second sense unit. The second detection range is closer to the operation surface than the first detection range. The information processing apparatus further includes a display controller for disabling display processing based on an output from the first sense unit if the approach detector determines that the position pointing device approaches the second detection range and for performing display processing based on an output from the second sense unit.

An electronically commutated motor comprises a rotor (208); a stator (201) electromagnetically interacting with the rotor (208), which stator is formed with a stator winding (202, 204, 206); a power stage (122) controlling the currents flowing in the stator winding (202, 204, 206) during operation; at least one current measuring element (242, 244) for sensing a measured value for the currents (I_UPPER, I_LOWER) flowing in the power stage, and an overcurrent measuring element (152, 162) for evaluating an associated measured value and for sensing a current whose absolute value exceeds a predetermined limit value (I_MAX_UPPER, I_MAX_LOWER); a holding element (154, 164) associated with the overcurrent measuring element (152, 162), configured, when an overcurrent occurs in the associated current measuring element (242, 244), to generate an overcurrent signal (OC_UPPER, OC_LOWER), to store the signal, and to deliver a signal to the power stage (122).

A guided medical propulsion capsule driven by strong electro-magnetic interaction between an external AC/DC magnetic gradient-lobe generator and a set of uniquely magnetized ferrous-conductive elements contained within the capsule. The capsule is navigated through the lumens and cavities of the human body wirelessly and without any physical contact for medical diagnostic, drug delivery, or other procedures with the magnetically guiding field generator external to the human body. The capsule is equipped with at least two sets of magnetic rings, disks and/or plates each possessing anisotropic magnetic properties. The external magnetic gradient fields provide the gradient forces and rotational torques on the internal conductive and magnetic elements needed to make the capsule move, tilt, and rotate in the body lumens and cavities according to the commands of an operator.

The invention provides an electromagnetic propulsive motor having a rotor capable of rotation around a shaft and having a plurality of radially disposed blades including blade tip portions for compressing a working fluid. The invention further provides a stator having a case frame, and a plurality of radially disposed vanes extending generally between said case frame and said shaft for directing the working fluid. A plurality of electromagnetic elements disposed within said rotor blades proximate the tip portions thereof interact electromagnetically with a plurality of electromagnetic elements disposed in said stator case frame to drive said rotor.

A full-pitch winding switched reluctance motor is provided. In this motor, one set of current components are estimated, which electromagnetically act on only one set of stator poles for one phase. Based on the estimated one set of current components, current components for respective three phases are controlled, resulting in accurate current control with no electromagnetic interactions with other phases. This current control allows a control circuit to be made compact, and a motor with effective field means can be provided.

An embodiment includes a bobbin provided at an outer circumferential surface thereof with a first coil, a first position sensor disposed on the outer circumferential surface of the bobbin and spaced apart from the first coil, a first magnet disposed so as to be opposite to the first position sensor, a second magnet disposed so as to be opposite to the first coil, the second magnet being configured to move the bobbin in a direction parallel to an optical axis via electromagnetic interaction with the first coil, a housing configured to support the first magnet and the second magnet; and upper and lower elastic members coupled to the bobbin and the housing, wherein the first position sensor is moved along with the bobbin.

Disclosed is a delivered article loading apparatus, which is mounted to a lifting wire installed at the drone to be capable of lifting. The delivered article loading apparatus includes a lifting body installed at a lower end of the lifting wire; and a disposable hanging body coupled to be selectively connected to or separated from the lifting body and having a hooking unit at a lower portion thereof, wherein the lifting body and the disposable hanging body are automatically separated by a mechanical or electromagnetic interaction therebetween.

A lens moving device is provided. The lens moving device includes: a bobbin; a first driving unit coupled to the bobbin; a second driving unit configured to move the first driving unit through an electromagnetic interaction with the first driving unit; a sensing magnet disposed on one side of the bobbin; a location detection sensor configured to sense a location of the sensing magnet; and a correction magnet disposed on an opposite side of the bobbin.

According to the present disclosure, static tilt and dynamic tilt of the bobbin, to which a lens module is to be coupled, may be enhanced by a sensing magnet and a correction magnet which establish magnetic force equilibrium with each other.

A lens actuating unit is provided. The lens actuating unit includes: a bobbin configured to accommodate a lens module at an inner side of the bobbin; a first coil unit disposed at the bobbin; a housing disposed at an outer side of the bobbin; and a magnet unit configured to move the first coil unit through electromagnetic interaction with the first coil unit, wherein the housing includes a hole formed by being recessed from an inner side to an outer side to accommodate the magnet unit.

A washing machine driving apparatus and a washing machine having the same, capable of minimizing the coupling structure of a clutch and a motor and including a stator provided in a shape of a ring, a rotor disposed around the stator and rotating by electromagnetic interaction with the stator, and a clutch configured to transmit a rotary force of the rotor selectively to the rotating tub and the pulsator, wherein the stator comprises a stator core, an upper insulator covering an upper portion of the stator core and a lower insulator covering a lower portion of the stator core, and wherein the upper insulator has a mounting part protruding upward from an upper side of the upper insulator such that the clutch is coupled to the upper insulator.

An apparatus has (a) a first component having one or more electromagnetic elements and (b) a second component having one or more electromagnetic elements and movably coupled to the first component. The second component moves with respect to the first component in a cyclical manner. The one or more electromagnetic elements of the first component interacts with the one or more electromagnetic elements of the second component during each of one or more cycles of motion of the second component with respect to the first component such that, when a constant force profile is applied to move the second component with respect to the first component, the speed of motion increases and decreases one or more times during each cycle of motion due to different levels of electromagnetic interaction between the electromagnetic elements within each cycle of motion.

Embodiments provide a lens moving apparatus including a housing supporting a driving magnet and having an opening, a bobbin provided at an outer circumferential surface thereof with a coil located inside the driving magnet, the bobbin being moved in a first direction parallel to an optical axis within the housing via electromagnetic interaction between the driving magnet and the coil, and a damper located between the housing and the bobbin.

An information processing apparatus includes a casing, an operation surface disposed at a predetermined location of the casing and being operable from outside the casing, a first sense unit disposed under the operation surface to electrically detect contact on the operation surface, and a second sense unit disposed under the operation surface and the first sense unit to detect a position of an external position pointing device with respect to the operation surface based on electromagnetic interaction generated between said second sense unit and said external position pointing device, and an auxiliary conductor disposed between the first sense unit and the second sense unit, the auxiliary conductor including a flat surface portion and a slit portion extending from one end of said flat surface portion to an inside of the flat surface portion.

The invention relates to a dual-frequency terahertz band-pass filter, in particular to the design and production of the dual-frequency terahertz band-pass filter with a semi-insulating gallium arsenide based hollow surface and a complementary split ring resonator, and relates to the terahertz technology and the technical field of semiconductor micromachining. The dual-frequency terahertz band-pass filter utilizing the working principle of the complementary split ring resonator achieves surface plasma polariton resonance through the adjustment on the inner diameter, outer diameter, opening width and periodic structure of the C-SRR (split ring resonator) and obtains low-frequency and high-frequency resonance in two abnormal transmission enhancement modes of inductance-capacitance (LC) resonance. The energy conversion between two resonance frequencies is achieved through the electromagnetic interaction of the two resonances, so that the terahertz reaching the same transmission strength at two bands can be output. The dual-frequency terahertz band-pass filter takes advantage of an existing semiconductor micromachining process and is simple in production process, easy to operate and capable of accurately controlling a micro-structure machining area of the complementary split ring resonator and greatly reducing production costs.

The invention provides an electromagnetic field control based force sense and tactile sense fusing reproduction device and an electromagnetic field control based force sense and tactile sense fusing reproduction method. Based on the electromagnetic field control principle, a size and direction controllable three-dimensional background electromagnetic field is generated in a cubic box body wound around by a coil. A wearable glove with magnetic modules is used, an electromagnet module in the palm of the glove is used for force sense reproduction, electromagnet modules at the tips of fingers are used for texture tactile sense reproduction, and the magnetic modules interact with the three-dimensional background magnetic field. Meanwhile, variation of the electromagnetic interaction forces of the magnetic modules in the corresponding positions of human hands is controlled by detecting the three-dimensional position information of the human hands in real time. The device and the force sense and tactile sense fusing reproduction method, which are designed according to the invention, have the effect of innovatively realizing force sense and tactile sense fusing multipoint interactive and non-contact novel force sense and tactile sense fusing reproduction.

A seat with a device for generating electromagnetic interaction in an accommodation region that is equipped to accommodate an object. By electromagnetic interaction, an object can be influenced in such a way that, for example, fatigue that occurs during long-distance flights can be avoided. The device is used to prevent and reduce the occurrence of jet lag, reduce the danger of passengers suffering from thrombosis, and increase general well-being by promoting relaxation, sleep and stress reduction. The integration in cabin crew seats and/or cockpit seats can improve the performance of the crew of an aircraft on long-distance flights.

The invention includes systems for and methods of performing quantum computation. The method of quantum computation includes preparing a set of one or more qubits capable of storing quantum information in 2ⁿ possible states, wherein the number of qubits n≧1. The qubit set is subject to a decoherence mechanism that could cause a loss of quantum information stored in some but not all of the qubit states. The method also includes determining, via a quantum measurement of the qubit system or just by analyzing the decoherence of the qubit states, which of the 2ⁿ states or their superposition is/are not susceptible to decoherence. The method further includes encoding and processing quantum information in one or more of the decoherence-free states by controlling qubit-qubit interactions or via an electromagnetic interaction with the set of qubits.

Embodiments provide a lens moving apparatus including a bobbin in which a lens is mounted, a first coil and a magnet configured to electromagnetically interact with each other so as to move the bobbin, a housing configured to accommodate the bobbin therein, an elastic member including an inner frame coupled to the bobbin, an outer frame coupled to the housing, and a frame connection portion configured to connect the inner frame and the outer frame to each other, and a support member connected to the elastic member and configured to support the housing, and the outer frame includes a first coupling portion coupled to the housing, a second coupling portion coupled to the support member, the second coupling portion being spaced apart from the first coupling portion, and a single connection portion configured to connect the first coupling portion and the second coupling portion to each other.

The invention discloses a composite micro wind turbine generator, which comprises a micro bracket, a micro beam, a piezoelectric structure, a metal coil, a permanent magnet and a base, wherein one end or two ends of the micro beam are fixed on the micro bracket; the micro bracket is fixed on the base; and the micro beam, the piezoelectric structure and the metal coil form the movable part of the composite micro wind turbine generator. The micro beam is provided with the piezoelectric structure and the metal coil, the permanent magnet is fixed on the base, the south pole or north pole of the permanent magnet is opposite to the plane of the metal coil, a gap is preserved between the permanent magnet and the plane of the coil, and the generator converts the energy of vibration of a micro structure into electric energy by using both a piezoelectric effect and the principle of electromagnetic interaction and has a higher mechanical-electric conversion efficiency than micro wind turbine generators using the piezoelectric effect or the principle of electromagnetic interaction alone. The composite micro wind turbine generator can be processed in batches by silicon micromachining technology at low cost and is particularly suitable for supplying power to wireless sensor network nodes and the like.

Embodiments provide a lens moving apparatus including a housing for supporting a first magnet, a bobbin including a coil disposed on an outer surface thereof and inside the first magnet so as to move in the housing in a first direction parallel to an optical axis by electromagnetic interaction between the first magnet and the coil, and upper and lower elastic members, each of which is provided at the bobbin and the housing and includes an inner frame coupled to the bobbin and an outer frame coupled to the housing, wherein at least one of the upper and lower elastic members is constituted by a printed circuit board.

A compressor comprises a sealed chamber to which a suction pipe and a discharge pipe are communicated, a motor unit fixed in the sealed chamber and consisting of a stator and a rotor for generating rotating force by electromagnetic interaction between the stator and rotor, and a compression unit sucking, compressing and discharging compressible fluid according regular volume change and opening/closing of valve caused by rotating force of the motor unit, wherein the compression unit is disposed in the rotor to miniaturize and lighten the compressor, to reduce input energy of the motor unit, and to reduce vibration noise.

Disclosed is a lens moving apparatus. The lens moving apparatus includes a moving unit having at least one lens installed therein and moving by electromagnetic interaction between magnets and coils, elastic members configured to support the moving unit, and position sensors configured to sense change of electromagnetic force emitted from the magnets according to movement of the moving unit and to output an output signal based on a result of sensing, and a primary resonant frequency of frequency response characteristics according to gain of a ratio of the output signal of the position sensors to an input signal applied to the coils is 30 Hz to 200 Hz.