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*  Patent US7525309 - Magnetic sensor array - Google Patents
... and/or other electronic devices and circuits. In addition, the processing circuit 352 may include one or more memory devices ... For example, the test circuits may be configured to measure the supply voltage of the sensor circuit 328 and produce an error ... General Electric Company. Tracking system to follow the position and orientation of a device with radiofrequency field ... The illustrative magnet 450 is a cylindrical magnet having a length 451 of about five millimeters and a diameter 453 of about ...
  http://www.google.com/patents/US7525309?dq=inassignee:integral+inassignee:peripherals
*  Electric generator - Wikipedia
An alternating current is induced in the loops of wire by Faraday's law of induction each time the magnet slides through. This ... Designed to measure shaft speed, a tachogenerator is a device which produces an output voltage proportional to that speed. ... these have now been replaced by alternators with built-in rectifier circuits. Bicycles require energy to power running lights ... the other has a wire winding in which the changing field induces an electric current Field winding or field magnet: The ...
  https://en.wikipedia.org/wiki/Electric_generator
*  Faraday's and Lenz's law
The greater the number of loops of wire that moves in a magnetic field, the greater is the induced voltage. Pushing a magnet ... Kirchoff's laws and electric circuits. *Wheatstone bridge and potentiometer. *Ammeter and Voltmeter ... If the coil is connected to a resistor or other energy-dissipating device, it can be found that it is more difficult to push ... Voltage Voltage is induced in the wire loop either when the magnetic field moves past the wire or the wire moves through the ...
  https://www.wonderwhizkids.com/physics/electromagnetism/em-induction/faraday-s-and-lenz-s-law
*  Wireless Power Now A Reality - Slashdot
A startup called Powercast has developed and patented a device, the size of a dime and costing 5$ to make, which allows power ... If the coupling is strong enough, such as if a magnet is in the device, then the MRI will couple *mechanically* to the d ... The shifting magnetic fields will couple to the embedded loops in the device and drive masses of current through it, destroying ... An average electric-powered model plane with, say, a 6 foot wing span, uses a 1 horsepower electric motor. I have a hard time ...
  https://science.slashdot.org/story/07/04/01/0421214/wireless-power-now-a-reality?sdsrc=nextbtmnext
*  Direct current - Wikipedia
... he found that as the magnet used passed the loops of wire each half turn, it caused the flow of electricity to reverse, ... High-voltage direct current (HVDC) electric power transmission systems use DC for the bulk transmission of electrical power, in ... There are some circuits that do not have a DC solution. Two simple examples are a constant current source connected to a ... The alternator is an AC device which uses a rectifier to produce DC. Usually 12 V DC are used, but a few have a 6 V (e.g. ...
  https://en.wikipedia.org/wiki/Direct_current
*  Physics Electromagnetism Induction by Jen P on Prezi
Electromagnetic induction: 'transfer of power between electric circuits: the transfer of power between one electric circuit and ... E= induced voltage (V). N= number of loops O=Magnetic flux (Webers) = BA (mf*area). t =time (seconds). E =. Current generates. ... Generator- a device that converts mechanical energy to electric. Eddy Currents- spread-out current whirpools in a solid metal. ... Faraday's experiment consisted of wrapping two insulated coils of wire around an iron ring, which resulted in mutual induction ...
  https://prezi.com/ytqjuuz9yfjo/physics-electromagnetism-induction/
*  Copper conductor - Wikipedia
Magnet wire or winding wire is used in windings of electric motors, transformers, inductors, generators, headphones, ... A star wiring pattern, where the wiring to each jack extends to a central distribution device, facilitates flexibility of ... The market for aluminium building wire today is mostly confined to larger gauge sizes used in supply circuits. Twisted pair ... This pattern has advantages to daisy chain loops. Installation tools, tips, and techniques for networked wiring systems using ...
  https://en.wikipedia.org/wiki/Copper_conductor
*  Frontiers | In vitro Magnetic Stimulation: A Simple Stimulation Device to Deliver Defined Low Intensity Electromagnetic Fields ...
... and therefore a predictable electric field, to the target. We built the coil to be compatible with culture requirements: ... from commercially available human stimulation coils to laboratory-built circuits) so that the electromagnetic fields induced ... Such devices are essential to further understanding of the fundamental effects of magnetic stimulation on biological tissue and ... Here we develop a simple in vitro stimulation device with plug-and-play features that allow delivery of a range of stimulation ...
  https://www.frontiersin.org/articles/10.3389/fncir.2016.00085/full
*  Patents filed at Oct 17 2017 | Customer-transparent logic redundancy for improved yield | Patents.com
Packaged oscillators with built-in self-test circuits that support resonator testing with reduced pin count , On-chip usable ... Cross-platform device testing through low level drivers , Full pad coverage boundary scan , Contactor arrangement, IC test ... Wire loops on the printed circuit board... US-9,791,476. Device for differential acquistion of current and method of ... The magnet is then placed on a top layer of a... US-9,791,469. Pipetting device. The invention relates to a pipetting device (1 ...
  http://www.patents.com/isd-20171017-p71.html
*  Electric motor - Wikipedia
... on which a permanent magnet (PM) was placed. When a current was passed through the wire, the wire rotated around the magnet, ... This voltage tends to oppose the motor supply voltage and so is called "back electromotive force (emf)". The voltage is ... Electric motors are used to produce linear or rotary force (torque), and should be distinguished from devices such as magnetic ... 2 - Electric and Magnetic Circuits". In Knowlton, A.E. Standard Handbook for Electrical Engineers (8th ed.). McGraw-Hill. pp. ...
  https://en.wikipedia.org/wiki/Electric_motor
*  Electromagnetic lock - Wikipedia
In a more detailed examination, the device makes use of the fact that a current through one or more loops of wire (known as a ... There are two main types of electric locking devices. Locking devices can be either "fail safe" or "fail secure". A fail-secure ... then two pins lock the armature onto the magnet itself, and ensure that the magnet locks into place. An improved 'shear' ... Generally, the specification of the electromagnet lock is dual voltage of 12/24 VDC.[citation needed]. If using a rectifier to ...
  https://en.wikipedia.org/wiki/Electromagnetic_lock
*  Inductance - Wikipedia
In a system of K wire loops, each with one or several wire turns, the flux linkage of loop m, λm, is given by λ m = N m Φ m ... If multiple electric circuits are located close to each other, the magnetic field of one can pass through the other; in this ... For example, he saw transient currents when he quickly slid a bar magnet in and out of a coil of wires, and he generated a ... According to Lenz's law, a changing electric current through a circuit that contains inductance induces a proportional voltage ...
  https://en.wikipedia.org/wiki/Inductance
*  Fire alarm guidelines and policies, 2011 :: State Publications
4) Initiation Device Circuits: Initiation Device Circuits (IDC) shall be wired Class A (NFPA 72 Style D). (5) Notification ... Electric sounders shall operate with synchronized audible output and have the following specifications: (1) Voltage: ... Door hold open magnet circuits which use step-down transformers, 120 VAC, or local relays are not permitted. Door shall close ... Check instructions.) (3) For loops with 20 devices and control points, install an isolator at the approximate middle of the ...
  http://digital.ncdcr.gov/cdm/singleitem/collection/p249901coll22/id/642244/rec/9
*  Magnetic field - Wikipedia
Bending a wire into multiple closely spaced loops to form a coil or "solenoid" enhances this effect. A device so formed around ... The interaction of magnetic fields in electric devices such as transformers is studied in the discipline of magnetic circuits. ... Magnetic torque is used to drive electric motors. In one simple motor design, a magnet is fixed to a freely rotating shaft and ... The resultant voltage in that direction is proportional to the applied magnetic field. This is known as the Hall effect. The ...
  https://en.wikipedia.org/wiki/Magnetic_field
*  eee | Fourier Series | Amplifier
voltage gain. Electronic Devices and Circuits - R. VGS Publications. JFET characteristics (Qualitative treatment only) and ... rectangular and square loops. Electric dipole - Dipole moment - potential and EFI due to an electric dipole - Torque on an ... Essentials of VLSI circuits and systems - Kamran Eshraghian. 2  CMOS Design rules for wires. Encapsulation. Wiring ... Series motor-Universal motor - Principle of permanent magnet and reluctance motors.Kothari. Fitzgerald. HYDERABAD III Year B. ...
  https://www.scribd.com/document/50443508/eee
*  Patent US6011508 - Accurate position-sensing and communications for guideway operated vehicles - Google Patents
The phased conductors are conductive elements (such as wires) shaped or configured in periodically repeating patterns, such as ... Sumitomo Electric Industries. Device for detecting location of a movable body. US3858521 *. Mar 26, 1973. Jan 7, 1975. Canadian ... This configuration forms a set of transposing loops, which the signal from the transmitter couples with. The voltage induced ... The cross-section of such a Litz wire 54 is shown in FIG. 11. Each of the strands, e.g., 54A, of the Litz wire is individually ...
  http://www.google.com/patents/US6011508?dq=6,049,612
*  Electromagnet - Wikipedia
An electric current flowing in a wire creates a magnetic field around the wire, due to Ampere's law (see drawing below). To ... This doesn't occur when the magnet is switched on, because the limited supply voltage causes the current through the magnet and ... was achieved in June 2000 with a hybrid device consisting of a Bitter magnet inside a superconducting magnet. The factor ... Therefore, in magnetic circuits with an air gap, the strength of the magnetic field B depends strongly on the length of the air ...
  https://en.wikipedia.org/wiki/Electromagnet
*  Inductrack - Wikipedia
... an electrical device made from loops of wire. As a Halbach magnet array passes over the loops of wire, the sinusoidal ... variations in the field induce a voltage in the track coils. At low speeds the loops are a largely resistive impedance, and ... The track is well modeled as an array of series RL circuits. When neodymium-iron-boron permanent magnets are used, levitation ... 1998 to 2005 Electric Cargo Conveyor System with Inductrack, General Atomics, Final Report, October 2006 The International ...
  https://en.wikipedia.org/wiki/Inductrack
*  Electromagnetic Toy Engine
284255 Electric Motor, L.W. Stockwell, 310/46 310/238 310/239 - similar to the toy motor kit, but uses loops of wire for ... D44935 HANDLE FOR ELECTRIC SWITCHES 1807607 DOORCHECK. 1850585 ELECTRICAL DISCHARGE DEVICE. 1858737 Electric Discharge Device ... 809 Imporved Method of Changing Poles, Nelson Walkay, Jun 27 1838, - uses Varnished copper wire (First magnet wire?). 1735 ... Measured with HP 34401 in 4-Wire mode 0.093 and 0.129 for a total of 0.222.. Measuring the voltage across both electromagnets ( ...
  http://prc68.com/I/EM_ToyEngine.shtml
*  Patent US20090289584 - Ultra-compact, high-performance motor controller and method of using same - Google Patents
The circuits, their components and connectors are sized and located to minimize their inductance and heat is dissipated by ... Permanent magnet excited rotor for a permanent magnet excited electric drive, particularly for AC main drives. ... These devices transmit position information through signal wires 172 and 174. The motor 152 uses the following signals are used ... techniques are employed to mitigate the risk of the winding voltage transients capacitively coupling into neighboring circuits. ...
  http://www.google.com/patents/US20090289584?dq=6,455,937
*  DAS EXPERIMENTIERKASTEN-BOARD • Thema anzeigen - Lehrerbücher Physik
D+30+28 Hall effect: Magnetic field induces a voltage in a neon plasma.. D+30+35 Applet: Magnet and Compass. D+30+40 Applet: ... D+0+45 Applet: Water Droplets in Electric Field. D+0+50 Applet: RC Circuits. D+0+55 Applet: CR Filter's Response (Analog). ... D+15+28 Eddy currents: Neodymium Magnet Drop.. D+15+35 Equivalence of large and small loops around enclosed flux. D+15+40 Flux ... D+30+14 Magnetic field around a solenoid with pivoting probe magnet.. D+30+16 Ampere's law: Currents in parallel wires attract ...
  http://experimentierkasten-board.de/viewtopic.php?f=82&t=945&view=unread
*  Extremely low frequency (ELF) fields (EHC 35, 1984)
... and low voltage wiring produces ambient electric fields of 10-1 - 102 volt/metre (V/m), depending on the mains voltage and the ... Measurements of electric fields in a typical American home (115 V circuits) ranged from less than 1 V/m to about 10 V/m, while ... use of devices or clothing that reduce the strength of electric fields acting on the body; particular attention should be paid ... loops anywhere within the body would have extremely small current densities. The magnitude of the current density is also ...
  http://inchem.org/documents/ehc/ehc/ehc35.htm
*  Transformer - Wikipedia
The inherent flaw in this method was that turning off a single lamp (or other electric device) affected the voltage supplied to ... the coils are often wound from enamelled magnet wire, such as Formvar wire. Larger power transformers operating at high ... Brenner, Egon; Javid, Mansour (1959). "Chapter 18-Circuits with Magnetic Coupling". Analysis of Electric Circuits. McGraw-Hill ... 41-42 Knowlton 1949, §2-67 Steinmetz' Formula; §4.279 Hysteris Loops, p.323 EE-Reviewonline.com. "Steinmetz's Formula for ...
  https://en.wikipedia.org/wiki/Transformer
*  Guided Reading Chapter 10: Electric Charges and Magnetic Fields - TechyLib
"το κείμενο με τίτλο Guided Reading Chapter 10: Electric Charges and Magnetic Fields σχετίζετε με Ηλεκτρονική - Συσκευές ... nt of rotation of the loops of wire and the. pointer depend on?. 7.. A device that uses an electric current to turn an axle is ... Circuits in the home. DC. Batteries. 8.. A device that converts mechanical energy into electrical energy is called a(n). ... A device that increases or decreases voltage is called a(n). _______________.. 11.. Why is a transformer necessary so that ...
  https://www.techylib.com/el/view/attractionlewdster/guided_reading_chapter_10_electric_charges_and_magnetic_fields
*  ten little fingers 2 | Magnet | Wire
The loops of the wire should be adjacent to one another. They should not overlap. The coil should have about 10 turns. ... How does this D.C. motor work? When an electric current flows through a wire, it produces a magnetic field around it. Similarly ... But when he attached six batteries, the high voltage busted something inside and the circuit became open. The little boy had ... The children were sup- posed to familiarise themselves with these components and learn to make simple circuits. After the ...
  https://www.scribd.com/document/20296151/ten-little-fingers-2