3435 results about "Induction coil" patented technology

A modular pocket system includes a modularly mountable pocket modularly mountable to a tactical garment. An insert is mounted in the pocket to align and closely inductively couple a primary inductive coil and related primary drive circuits in the insert to a secondary inductive coil and related secondary charging circuits in a portable electronic device mountable into the insert for the inductively coupled transmission of power between the coils so to transmit power to the portable device, where the device has a rechargeable energy storage component electrically connected to the secondary inductive coil and secondary charging circuits.

The cover includes an interface, a bottom cover and a top cover. The interface is for connecting components embedded in the cover with the electronic device. The bottom cover and the top cover are connected by a hinge and the top cover is divided into at least three parts. Every adjacent two foldable parts can be folded relative to each other to a certain degree such that the top cover is folded to support the electronic device at a certain degree The at least three parts of the top cover includes at least one induction coil which is placed in one of the at least three parts. The top cover is folded to support the electronic device at a certain degree while the induction coil is used to charge for the electronic device.

A plasma processing apparatus performs a process on a substrate by using plasma. The plasma processing apparatus includes a processing chamber; a mounting table which is located in the processing chamber and on which a substrate is mounted; a gas shower head formed of a conductive material provided to face the mounting table and having at the bottom surface thereof a plurality of gas injection openings for supplying a processing gas into the processing chamber; an induction coil to which a high frequency current is supplied to generate an inductively coupled plasma in a region surrounding a space below the gas shower head; a negative voltage supplying unit for applying a negative DC voltage to the gas shower head to allow an electrical field, which is induced by the induction coil, to be drawn to a central portion of the processing region; and a unit for evacuating the processing chamber.

Apparatus, system, and method that include a pacing apparatus having a stent electrode through which pulses of electrical current can be delivered. Stent electrodes receive energy for generating the electrical current from a variety of sources. Sources include from one or more induction coils that can form at least a portion of the stent. Sources can also include an implantable pulse generator coupled to a lead through which pulses of the electrical current are supplied to the stent electrodes.

A rechargeable apparatus is provided for being recharged by an power source. The rechargeable apparatus include a rechargeable battery and a secondary inductive coil excited by the power source. The secondary inductive coil includes a first inductor having a first axis, a second inductor having a second axis, and a third inductor having a third axis. The first, second, and third axes are mutually orthogonal. The first, second, and third inductors produce a power output in response to said power source. The secondary inductive coil is electrically connected to the rechargeable battery whereby charging energy is coupled from the power source to the rechargeable battery regardless of an orientation of the secondary inductive coil to the power source.

There are provided a position detection system, a guidance system, and a position detection method which obviate the need for frequency adjustment of an alternating magnetic field used in position detection of a device and which allow the device to be made more compact and less expensive. There are included a device (capsule endoscope 20) provided with a magnetic induction coil, a drive coil 51 for generating an alternating magnetic field, a plurality of magnetic sensors 52 for detecting an induced magnetic field, a frequency determining section 50B for determining a position calculating frequency based on a resonance frequency of the magnetic induction coil, and a position analyzing unit 50A for calculating, at the position calculating frequency, at least one of the position and the orientation of the device 20 based on the difference between outputs from the magnetic sensors 52 when only the alternating magnetic field is applied and outputs from the magnetic sensors 52 when the alternating magnetic field and the induced magnetic field are applied; and at least one of a frequency range of the alternating magnetic field and an output frequency range of the magnetic field sensors is limited based on the position calculating frequency.

The invention discloses a tobacco suction system based on electromagnetic heating. The tobacco suction system is characterized by comprising an end cover (1), a heater (2) and an electromagnetic induction system, wherein the end cover (1) is detachably connected to the heater (2); the end cover (1) comprises a circular cover (11) and a filter tip (13); the heater (2) comprises a shell (21), an inner container (23), a base plate (24) and a cylindrical iron core (25); the electromagnetic induction system comprises an induction coil for heating the inner container (23), the base plate (24) and the cylindrical iron core (25), and a temperature control circuit. By heating the inner container, the base plate and the cylindrical iron core through the electromagnetic induction system, the heating speed can be increased, the heat efficiency is high, and instant heating can be realized, thereby better meeting the requirement of good suction mouthfeel; due to the arrangement of the cylindrical iron core, tobacco products can be heated uniformly and fully, and waste caused by insufficient heating of the tobacco products can be avoided. The tobacco suction system is suitable to be popularized and applied.

The invention relates to a cyclotron which can produce a beam of accelerated charged particles that are intended for the irradiation of at least one target (200). The inventive cyclotron consists of a magnetic circuit which essentially comprises: an electromagnet with at least two poles (1, 1′), namely an upper pole (1) and a lower pole (1′), which are disposed symmetrically in relation to a mid-plane (110) which is perpendicular to the central axis (100) of the cyclotron and which are separated by a gap (120) containing the circulating charged particles and return flux (2) in order to close the aforementioned magnetic circuit; and a pair of main induction coils (5, 5′) which are used to create an essentially-constant main induction field in the gap between poles 1 and 1′. The invention is characterised in that it comprises means of centring the above-mentioned beam, consisting of at least one pair of bucking coils (6, 7) which are supplied by an electrical source (8) and which can modulate the intensity of the main induction field produced by the main coils (5, 5′), in order to increase the intensity of the induction field in a first area of the cyclotron and to reduce the intensity of the induction field in a second area of the cyclotron, which is diametrically opposed to the central axis (100) of the cyclotron.

The charging pad 10 is provided with a position detection controller 14 that supplies position detection signals to position detection coils 30, and detects induction coil 51 position from echo signals output from the induction coil 51. The device housing a battery 50 is provided with a series capacitor 55 connected in series with the induction coil 51, a parallel capacitor 56 connected in parallel with the induction coil 51, and a switching circuit 57. When the position detection controller 14 is issuing position detection signals, the parallel capacitor 56 is connected to the induction coil 51. When power is transmitted from the power supply coil 11 to the induction coil 51, the parallel capacitor 56 is not connected to the induction coil 51 and induction coil 51 AC is output to a rectifying circuit 53 through the series capacitor 55.

Provided herein are methods and devices for inductively heating a tissue to effect a biological response in the tissue or in a biomolecule comprising the same. The methods and devices comprise means for applying a high frequency alternating magnetic field via an inductive coil comprising an applicator to the tissue and means for monitoring feedback from the alternating magnetic field to control and/or adjust heat, for example, in the tissue, which further includes a means for cooling the tissue. Particularly, the device may be a hand held piece that incorporates or has at least an applicator, including a radiofrequency energy generator and output, an inductive coil, an impedance matching system, a cooling system, including a thermally conductive surface and a coolant housing containing a coolant that circulates through the thermally conductive surface, and a feedback monitor. Optionally, the device may comprise a tissue-shaper.

A cellular telephone communication apparatus rechargeable by an exterior power source comprises a housing that includes a rechargeable battery. A secondary inductive coil disposed in the housing is excited by the exterior power source. A control circuit disposed in the housing is electrically connected between the secondary inductive coil and the rechargeable battery for controlling energy flow to the rechargeable battery. A transmitter disposed in the housing is activated for transmitting an identification signal. The identification signal identifies a particular rechargeable battery for recharging.

This invention discloses an inductor that includes a conducting wire composed of an alloy having temperature coefficients of resistance (TCR) approximately 0.0002 milliohm per Celsius degree or is lower. The inductive coil has a winding configuration provided for enclosure in a substantially rectangular box with a mid-plane extended along an elongated direction of the rectangular box wherein the conducting wire interesting at least twice near said mid-plane.

A method and device for monitoring vascular access is described. A field coil is placed at a location on an extracorporeal circulation loop connected to the vascular system of a patient, and an induction coil is placed at another different location. A voltage is supplied to the field coil, inducing an electric current in the blood. The current induces a voltage in the induction coil. Monitoring the voltage in the induction coil reveals if vascular access is defective.

A catheter device having a proboscis, such as a needle, and a transducer which detects the axial displacement of the proboscis in relation to the distal tip of the catheter. The transducer is positioned at a distal portion of the catheter and may comprise an induction coil or a potentiometer. Axial displacement of the proboscis changes the amount of inductance or resistance in the transducer. This change in inductance or resistance can be calibrated to the amount of axial displacement of the proboscis and provided as feedback to the user.

The present inventions relates a wireless charging coil structure in electronic devices, comprising a PS coil module capable of emitting electromagnetic wave energy and a PR coil module capable of receiving power energy by electromagnetic induction. Each of the PS and PR coil modules includes a bar-shaped magnetic conductor, on which an insulated wire is wound into a first coil that is extended along the magnetic conductor to a given length and wound reversely into a second coil, thus producing an induction coil comprising at least the first and second coils. The induction range with given space formed between the first and second coils is used for electromagnetic induction to transmit signals and power energy. Such structure can be applied not only in planar handheld electronic devices, but also in other wireless power transmission systems that require narrow induction surface for power transmission.

A system for monitoring physical properties of structures within animate and inanimate objects, including internal organs and bones of humans. The system includes sensing and readout devices. The sensing device is adapted to be implanted in a body and attached to a structure within the body, and includes an electrical circuit containing a first inductor coil formed at least in part by a conductor with portions thereof separated by gaps. The first inductor coil is adapted to be physically coupled to the structure so that changes in shape and size of the structure cause changes in shape and/or size of the first inductor coil and/or changes in the gaps, which alter the inductance of the first inductor coil when current flows through the electrical circuit. The readout device is not adapted to be implanted in the patient, and includes an inductor coil capable of electromagnetic telecommunication and/or electromagnetic powering of the sensing device.

This disclosure relates generally to removing wire insulation. In an embodiment, a system for heating and removal of wire insulation includes a power supply configured to receive input power and to provide a high frequency power output to an induction coil. The induction coil is to be coupled to the power supply and dimensioned to receive an insulated wire therethrough. The induction coil is also to produce a field based upon the high frequency power output to heat the wire by induction and to condition insulation disposed on an outer surface of the wire for removal.

The invention discloses an electromagnetic heating type suction device used for heating a non-combustible cigarette. The electromagnetic heating type suction device used for heating the non-combustible cigarette comprises an end cover, a heater and an electromagnetic induction system, wherein a heating cavity for holding the heated non-combustible cigarette is reserved in the heater, the end cover is detachably and combinably connected to the suction end portion of the heater, a filter tip is arranged on the end cover and is communicated with an inner cavity of the heating cavity, a round cover is arranged on the end cover, a plurality of air inlets are formed in the round cover and are communicated with the inner cavity of the heating cavity, the electromagnetic induction system comprises a temperature control circuit and an induction coil electrically connected onto the temperature control circuit, and the induction coil spirally winds the heating cavity. The electromagnetic heating type suction device used for heating the non-combustible cigarette has the advantages that a liner heating body is heated electromagnetically via the electromagnetic induction system, and the cigarette is heated by the liner heating body, so that heating speed can be increased, heating efficiency and heating speed are high, transient heating can be realized, needs for satisfying suction taste are met, heating is uniform, and the cigarette can be heated fully to prevent cigarette waste resulted from insufficient heating.

A device for treating diseases and chronic ailments of the human body by inducing powerful, short duration magnetic pulses in close proximity to a region of the body. The device comprises an electromagnetic coil or inductor energized by an electric circuit and a power source, pulsed between 1 and 25 pulses per second for therapeutic means and use as an alternative medical treatment. The device comprises an electric circuit that transmits pulsating current to an induction coil placed within a handheld stylus device for introducing a high energy, pulsed magnetic field to target locations on the body. The stylus is placed against the human body and introduces the pulsating magnetic field into and through body tissue, bone and the bloodstream. The stylus is completely noninvasive and provides a means to direct magnetic energy to a specific part of the body. The device is an advancement in the art, and one that provides increased magnetic energy and pulse frequency without the use of Xenon flash tubes that consume large quantities of power.

The field of the present invention is parking meters and more particularly to the use of electronically operated parking meters coupled with a sensor for positively sensing unobtrusively the presence or absence of a vehicle in a specified parking space controlled by the sensor and electronically operated parking meter. An induction coil mounted below the surface of the parking area is used to provide positive signals to the electronically operated parking meter and a cpu upon both the entrance of a vehicle into the parking space and the movement of the vehicle from the parking space. Moreover, the detecting system is battery operated and the battery life is extended by duty cycle operation of the detector system, whereby only a small portion of a detecting cycle is actually employed for detecting the status of the parking space.

An inductive coil arrangement is described for an ear canal of a recipient patient. An inner transmitter coil inserts into the ear canal for transmitting a communication signal through the skin of the outer wall of the ear canal. The transmitter coil includes transmission wire loops that lie substantially in a common plane which curves around the central axis of the ear canal conformal to the outer wall of the ear canal. An outer receiver coil is implantable under the skin of the outer wall of the ear canal for receiving the communication signal from the transmitter coil. The receiver coil includes receiver wire loops that lie substantially in a common plane which curves around the central axis of the ear canal substantially parallel to the transmitter coil.

A RF power generator for exciting inductively coupled plasma for spectrometry includes an induction coil for exciting the plasma as part of its load circuit. The load circuit also comprises a capacitor connected in parallel with the induction coil. The RF power generator is a free running oscillator having a switching circuit of two MOSFETs alternately switchable on and off via a feedback control circuit from the load circuit. RF power from the switching circuit is coupled to the load circuit via an inductor. The inductor and load circuit is resonant at a first frequency, which is lower than the operating frequency of the power generator.

An electrical signal processing device includes at least one thin film flux generator and at least one thin film magnetic sensor. Each flux generator includes at least one conductive induction line that is connected to at least one lead of a pair of input leads, and a yoke that surrounds the conductive induction line. The yoke has at least one pair of pole tips, and a gap is disposed between the end surfaces of each pair of pole tips. A magnetic sensor is disposed in the gap, and a pair of output leads is connected to the sensor. An alternative embodiment may include two or more conductive induction lines that are connected to respective separate pairs of input leads. Alternatively, two or more conductive induction lines may connect to one another to form an induction coil. The flux generator and magnetic sensor are preferably formed on a single substrate to create an integrated device.

A magnetic stripe data transmission (MST) driver and a method for driving the MST are disclosed. The MST driver is configured to transmit magnetic strip data comprising of streams of pulses. The MST driver comprises a pair of high side switches and a pair of low side switches. The pair of high side switches comprises a first switch and a second switch. The pair of low side switches comprises a third switch and a fourth switch. The first, second, third and fourth switches are arranged in a full bridge type configuration connected across a voltage source and a ground. An inductive coil is connected across outputs of the full bridge type configuration of the switches. The MST driver includes a switch driver configured to drive the pair of low side switches and the pair of high side switches under current slope control using pulse width modulation. The driven load current has a rising portion and a falling portion through the inductive coil in a forward direction or in a reverse direction with programmable load current rising and falling slopes to induce a recognizable back electromagnetic force at a receiver emulating the magnetic strip data during the load current rising and falling portions and to reduce power loss during time periods without signal transmission.

The invention discloses an optimal control method for intersection group traffic flow, which resolves the defect that the smallest unit of current urban traffic control is a single intersection, which cannot satisfy the needs of actual traffic control, can realize the optimization of local traffic flow, and provides helps for micro control of traffic flow. The steps of the method are:(1) real time acquiring actual traffic flow of ''intersection group'' on roads through a ground induction coil which has been paved in a city; (2) constructing an optimal control model with a smart approach and inferring and optimizing the parameters of a controller according to real-time traffic information;(3) the controller carrying out optimal control for traffic flow according to the control model.

A transcranial magnetic stimulation (“TMS”) induction coil device includes an attachment portion for attachment to a tracking device and providing that the tracking device, when attached to the TMS coil device, is at a predetermined location and orientation in relation to a casing of the TMS coil device. The casing of the TMS coil device also includes a reference point for confirming the accuracy of the attachment of the tracking device to the TMS coil device at the predetermined location and orientation in relation to the casing.

A hot wire welding process. An induction coil is used to preheat the filler metal wire prior to its entering the welding puddle/arc region. An induction coil is placed in close proximity to the welding arc. The filler wire is guided and supported by a delivery guide so that the filler wire passes through the center of, and is insulated from, the induction coil. The induction coil induces a current flow in the filler wire. The current produces heat as a result of the electrical resistivity of the filler wire. The heat produced raises the temperature of the filler wire just before it is fed into the weld arc region, thus reducing the energy required from the welding arc to melt the filler metal wire into the weld puddle.

An electrodeless fluorescent lamp and fixture which operates at the frequency range of 50-1000 KHz and power from 20 to 200 W is disclosed. The lamp includes a bulbous envelope (1) filled with rare gas and metal vapor and a reentrant cavity (5). The inner walls of the envelope are coated with phosphor (2) and a protective coating (3). An induction coil (9), made from multiple strands of wire having very low resistance at frequencies below 1000 KHz, together with a ferrite core (10), having high permeability and low power losses, generates an inductively-coupled plasma in the envelope volume. The plasma generates visible and UV radiation that is converted into visible light by the phosphor coated on the envelope walls. A metallic cylinder (13), placed inside the ferrite core (10), removes the heat generated by the plasma from the coil and ferrite core and redirects the heat to the lamp base and thence to the lamp fixture. The power efficiency of the lamp operated at frequencies 200-300 KHz and its efficacy are the same as those in electrodeless RF lamps operated at frequencies of 2.65 MHz and at 13.56 MHz.

A combination inductive coil and integrated circuit semiconductor chip is provided in a single lead frame package. The lead frame is preferably made of a copper alloy and has a flat configuration. The chip is electrically connected to end portions of the inductive coil thus permitting the inductive coil to function as an antenna for the chip.

An exemplary heating assembly includes a liquid conducting and heating body and an inductive coil corresponding to the liquid conducting and heating body. The liquid conducting and heating body includes a micro-porous ceramic main body and a metallic powder evenly distributed in the ceramic main body. The inductive coil is configured for generating high frequency magnetic field in response to an alternating current, so that eddy current and heat are generated in the liquid conducting and heating body. The liquid conducting and heating body is configured for absorbing tobacco liquid and heating the tobacco liquid to form aerosol.